Antonio Quartulli | 0b87393 | 2013-01-04 03:05:31 +0100 | [diff] [blame] | 1 | /* Copyright (C) 2007-2013 B.A.T.M.A.N. contributors: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 2 | * |
| 3 | * Marek Lindner, Simon Wunderlich |
| 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, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 17 | * 02110-1301, USA |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
Sven Eckelmann | 95a066d | 2012-10-17 21:10:39 +0200 | [diff] [blame] | 20 | #include <linux/crc32c.h> |
| 21 | #include <linux/highmem.h> |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 22 | #include "main.h" |
Sven Eckelmann | b706b13 | 2012-06-10 23:58:51 +0200 | [diff] [blame] | 23 | #include "sysfs.h" |
| 24 | #include "debugfs.h" |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 25 | #include "routing.h" |
| 26 | #include "send.h" |
| 27 | #include "originator.h" |
| 28 | #include "soft-interface.h" |
| 29 | #include "icmp_socket.h" |
| 30 | #include "translation-table.h" |
| 31 | #include "hard-interface.h" |
| 32 | #include "gateway_client.h" |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 33 | #include "bridge_loop_avoidance.h" |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 34 | #include "distributed-arp-table.h" |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 35 | #include "vis.h" |
| 36 | #include "hash.h" |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 37 | #include "bat_algo.h" |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 38 | #include "network-coding.h" |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 39 | |
Sven Eckelmann | c3caf51 | 2011-05-03 11:51:38 +0200 | [diff] [blame] | 40 | |
| 41 | /* List manipulations on hardif_list have to be rtnl_lock()'ed, |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 42 | * list traversals just rcu-locked |
| 43 | */ |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 44 | struct list_head batadv_hardif_list; |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 45 | static int (*batadv_rx_handler[256])(struct sk_buff *, |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 46 | struct batadv_hard_iface *); |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 47 | char batadv_routing_algo[20] = "BATMAN_IV"; |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 48 | static struct hlist_head batadv_algo_list; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 49 | |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 50 | unsigned char batadv_broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 51 | |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 52 | struct workqueue_struct *batadv_event_workqueue; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 53 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 54 | static void batadv_recv_handler_init(void); |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 55 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 56 | static int __init batadv_init(void) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 57 | { |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 58 | INIT_LIST_HEAD(&batadv_hardif_list); |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 59 | INIT_HLIST_HEAD(&batadv_algo_list); |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 60 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 61 | batadv_recv_handler_init(); |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 62 | |
Sven Eckelmann | 81c524f | 2012-05-12 02:09:22 +0200 | [diff] [blame] | 63 | batadv_iv_init(); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 64 | |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 65 | batadv_event_workqueue = create_singlethread_workqueue("bat_events"); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 66 | |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 67 | if (!batadv_event_workqueue) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 68 | return -ENOMEM; |
| 69 | |
Sven Eckelmann | 9039dc7 | 2012-05-12 02:09:33 +0200 | [diff] [blame] | 70 | batadv_socket_init(); |
Sven Eckelmann | 40a072d | 2012-05-12 02:09:23 +0200 | [diff] [blame] | 71 | batadv_debugfs_init(); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 72 | |
Sven Eckelmann | 9563877 | 2012-05-12 02:09:31 +0200 | [diff] [blame] | 73 | register_netdevice_notifier(&batadv_hard_if_notifier); |
Sven Eckelmann | a4ac28c | 2013-02-11 17:10:26 +0800 | [diff] [blame] | 74 | rtnl_link_register(&batadv_link_ops); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 75 | |
Sven Eckelmann | 86ceb36 | 2012-03-07 09:07:45 +0100 | [diff] [blame] | 76 | pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) loaded\n", |
Sven Eckelmann | 42d0b04 | 2012-06-03 22:19:17 +0200 | [diff] [blame] | 77 | BATADV_SOURCE_VERSION, BATADV_COMPAT_VERSION); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 78 | |
| 79 | return 0; |
| 80 | } |
| 81 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 82 | static void __exit batadv_exit(void) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 83 | { |
Sven Eckelmann | 40a072d | 2012-05-12 02:09:23 +0200 | [diff] [blame] | 84 | batadv_debugfs_destroy(); |
Sven Eckelmann | a4ac28c | 2013-02-11 17:10:26 +0800 | [diff] [blame] | 85 | rtnl_link_unregister(&batadv_link_ops); |
Sven Eckelmann | 9563877 | 2012-05-12 02:09:31 +0200 | [diff] [blame] | 86 | unregister_netdevice_notifier(&batadv_hard_if_notifier); |
| 87 | batadv_hardif_remove_interfaces(); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 88 | |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 89 | flush_workqueue(batadv_event_workqueue); |
| 90 | destroy_workqueue(batadv_event_workqueue); |
| 91 | batadv_event_workqueue = NULL; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 92 | |
| 93 | rcu_barrier(); |
| 94 | } |
| 95 | |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 96 | int batadv_mesh_init(struct net_device *soft_iface) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 97 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 98 | struct batadv_priv *bat_priv = netdev_priv(soft_iface); |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 99 | int ret; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 100 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 101 | spin_lock_init(&bat_priv->forw_bat_list_lock); |
| 102 | spin_lock_init(&bat_priv->forw_bcast_list_lock); |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 103 | spin_lock_init(&bat_priv->tt.changes_list_lock); |
| 104 | spin_lock_init(&bat_priv->tt.req_list_lock); |
| 105 | spin_lock_init(&bat_priv->tt.roam_list_lock); |
| 106 | spin_lock_init(&bat_priv->tt.last_changeset_lock); |
| 107 | spin_lock_init(&bat_priv->gw.list_lock); |
| 108 | spin_lock_init(&bat_priv->vis.hash_lock); |
| 109 | spin_lock_init(&bat_priv->vis.list_lock); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 110 | |
| 111 | INIT_HLIST_HEAD(&bat_priv->forw_bat_list); |
| 112 | INIT_HLIST_HEAD(&bat_priv->forw_bcast_list); |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 113 | INIT_HLIST_HEAD(&bat_priv->gw.list); |
| 114 | INIT_LIST_HEAD(&bat_priv->tt.changes_list); |
| 115 | INIT_LIST_HEAD(&bat_priv->tt.req_list); |
| 116 | INIT_LIST_HEAD(&bat_priv->tt.roam_list); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 117 | |
Sven Eckelmann | 7d211ef | 2012-05-12 02:09:34 +0200 | [diff] [blame] | 118 | ret = batadv_originator_init(bat_priv); |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 119 | if (ret < 0) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 120 | goto err; |
| 121 | |
Sven Eckelmann | 08c36d3 | 2012-05-12 02:09:39 +0200 | [diff] [blame] | 122 | ret = batadv_tt_init(bat_priv); |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 123 | if (ret < 0) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 124 | goto err; |
| 125 | |
Sven Eckelmann | 42d0b04 | 2012-06-03 22:19:17 +0200 | [diff] [blame] | 126 | batadv_tt_local_add(soft_iface, soft_iface->dev_addr, |
| 127 | BATADV_NULL_IFINDEX); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 128 | |
Sven Eckelmann | d0f714f | 2012-05-12 02:09:41 +0200 | [diff] [blame] | 129 | ret = batadv_vis_init(bat_priv); |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 130 | if (ret < 0) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 131 | goto err; |
| 132 | |
Sven Eckelmann | 08adf15 | 2012-05-12 13:38:47 +0200 | [diff] [blame] | 133 | ret = batadv_bla_init(bat_priv); |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 134 | if (ret < 0) |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 135 | goto err; |
| 136 | |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 137 | ret = batadv_dat_init(bat_priv); |
| 138 | if (ret < 0) |
| 139 | goto err; |
| 140 | |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 141 | ret = batadv_nc_init(bat_priv); |
| 142 | if (ret < 0) |
| 143 | goto err; |
| 144 | |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 145 | atomic_set(&bat_priv->gw.reselect, 0); |
Sven Eckelmann | 39c75a5 | 2012-06-03 22:19:22 +0200 | [diff] [blame] | 146 | atomic_set(&bat_priv->mesh_state, BATADV_MESH_ACTIVE); |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 147 | |
| 148 | return 0; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 149 | |
| 150 | err: |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 151 | batadv_mesh_free(soft_iface); |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 152 | return ret; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 153 | } |
| 154 | |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 155 | void batadv_mesh_free(struct net_device *soft_iface) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 156 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 157 | struct batadv_priv *bat_priv = netdev_priv(soft_iface); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 158 | |
Sven Eckelmann | 39c75a5 | 2012-06-03 22:19:22 +0200 | [diff] [blame] | 159 | atomic_set(&bat_priv->mesh_state, BATADV_MESH_DEACTIVATING); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 160 | |
Sven Eckelmann | 9455e34 | 2012-05-12 02:09:37 +0200 | [diff] [blame] | 161 | batadv_purge_outstanding_packets(bat_priv, NULL); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 162 | |
Sven Eckelmann | d0f714f | 2012-05-12 02:09:41 +0200 | [diff] [blame] | 163 | batadv_vis_quit(bat_priv); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 164 | |
Sven Eckelmann | 7cf06bc | 2012-05-12 02:09:29 +0200 | [diff] [blame] | 165 | batadv_gw_node_purge(bat_priv); |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 166 | batadv_nc_free(bat_priv); |
Antonio Quartulli | a436186 | 2013-05-07 01:06:18 +0200 | [diff] [blame] | 167 | batadv_dat_free(bat_priv); |
Sven Eckelmann | 08adf15 | 2012-05-12 13:38:47 +0200 | [diff] [blame] | 168 | batadv_bla_free(bat_priv); |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 169 | |
Antonio Quartulli | a436186 | 2013-05-07 01:06:18 +0200 | [diff] [blame] | 170 | /* Free the TT and the originator tables only after having terminated |
| 171 | * all the other depending components which may use these structures for |
| 172 | * their purposes. |
| 173 | */ |
| 174 | batadv_tt_free(bat_priv); |
| 175 | |
| 176 | /* Since the originator table clean up routine is accessing the TT |
| 177 | * tables as well, it has to be invoked after the TT tables have been |
| 178 | * freed and marked as empty. This ensures that no cleanup RCU callbacks |
| 179 | * accessing the TT data are scheduled for later execution. |
| 180 | */ |
| 181 | batadv_originator_free(bat_priv); |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 182 | |
Martin Hundebøll | f821486 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 183 | free_percpu(bat_priv->bat_counters); |
Martin Hundebøll | f69ae77 | 2013-04-17 21:13:16 +0200 | [diff] [blame] | 184 | bat_priv->bat_counters = NULL; |
Martin Hundebøll | f821486 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 185 | |
Sven Eckelmann | 39c75a5 | 2012-06-03 22:19:22 +0200 | [diff] [blame] | 186 | atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 187 | } |
| 188 | |
David S. Miller | 6e0895c | 2013-04-22 20:32:51 -0400 | [diff] [blame] | 189 | /** |
| 190 | * batadv_is_my_mac - check if the given mac address belongs to any of the real |
| 191 | * interfaces in the current mesh |
| 192 | * @bat_priv: the bat priv with all the soft interface information |
| 193 | * @addr: the address to check |
| 194 | */ |
Antonio Quartulli | fe8a93b | 2013-04-03 19:10:26 +0200 | [diff] [blame] | 195 | int batadv_is_my_mac(struct batadv_priv *bat_priv, const uint8_t *addr) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 196 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 197 | const struct batadv_hard_iface *hard_iface; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 198 | |
| 199 | rcu_read_lock(); |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 200 | list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 201 | if (hard_iface->if_status != BATADV_IF_ACTIVE) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 202 | continue; |
| 203 | |
Antonio Quartulli | fe8a93b | 2013-04-03 19:10:26 +0200 | [diff] [blame] | 204 | if (hard_iface->soft_iface != bat_priv->soft_iface) |
| 205 | continue; |
| 206 | |
Sven Eckelmann | 1eda58b | 2012-05-12 13:48:58 +0200 | [diff] [blame] | 207 | if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 208 | rcu_read_unlock(); |
| 209 | return 1; |
| 210 | } |
| 211 | } |
| 212 | rcu_read_unlock(); |
| 213 | return 0; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 214 | } |
| 215 | |
Marek Lindner | 30da63a | 2012-08-03 17:15:46 +0200 | [diff] [blame] | 216 | /** |
| 217 | * batadv_seq_print_text_primary_if_get - called from debugfs table printing |
| 218 | * function that requires the primary interface |
| 219 | * @seq: debugfs table seq_file struct |
| 220 | * |
| 221 | * Returns primary interface if found or NULL otherwise. |
| 222 | */ |
| 223 | struct batadv_hard_iface * |
| 224 | batadv_seq_print_text_primary_if_get(struct seq_file *seq) |
| 225 | { |
| 226 | struct net_device *net_dev = (struct net_device *)seq->private; |
| 227 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
| 228 | struct batadv_hard_iface *primary_if; |
| 229 | |
| 230 | primary_if = batadv_primary_if_get_selected(bat_priv); |
| 231 | |
| 232 | if (!primary_if) { |
| 233 | seq_printf(seq, |
| 234 | "BATMAN mesh %s disabled - please specify interfaces to enable it\n", |
| 235 | net_dev->name); |
| 236 | goto out; |
| 237 | } |
| 238 | |
| 239 | if (primary_if->if_status == BATADV_IF_ACTIVE) |
| 240 | goto out; |
| 241 | |
| 242 | seq_printf(seq, |
| 243 | "BATMAN mesh %s disabled - primary interface not active\n", |
| 244 | net_dev->name); |
| 245 | batadv_hardif_free_ref(primary_if); |
| 246 | primary_if = NULL; |
| 247 | |
| 248 | out: |
| 249 | return primary_if; |
| 250 | } |
| 251 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 252 | static int batadv_recv_unhandled_packet(struct sk_buff *skb, |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 253 | struct batadv_hard_iface *recv_if) |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 254 | { |
| 255 | return NET_RX_DROP; |
| 256 | } |
| 257 | |
| 258 | /* incoming packets with the batman ethertype received on any active hard |
| 259 | * interface |
| 260 | */ |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 261 | int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, |
| 262 | struct packet_type *ptype, |
| 263 | struct net_device *orig_dev) |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 264 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 265 | struct batadv_priv *bat_priv; |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 266 | struct batadv_ogm_packet *batadv_ogm_packet; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 267 | struct batadv_hard_iface *hard_iface; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 268 | uint8_t idx; |
| 269 | int ret; |
| 270 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 271 | hard_iface = container_of(ptype, struct batadv_hard_iface, |
| 272 | batman_adv_ptype); |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 273 | skb = skb_share_check(skb, GFP_ATOMIC); |
| 274 | |
| 275 | /* skb was released by skb_share_check() */ |
| 276 | if (!skb) |
| 277 | goto err_out; |
| 278 | |
| 279 | /* packet should hold at least type and version */ |
| 280 | if (unlikely(!pskb_may_pull(skb, 2))) |
| 281 | goto err_free; |
| 282 | |
| 283 | /* expect a valid ethernet header here. */ |
| 284 | if (unlikely(skb->mac_len != ETH_HLEN || !skb_mac_header(skb))) |
| 285 | goto err_free; |
| 286 | |
| 287 | if (!hard_iface->soft_iface) |
| 288 | goto err_free; |
| 289 | |
| 290 | bat_priv = netdev_priv(hard_iface->soft_iface); |
| 291 | |
Sven Eckelmann | 39c75a5 | 2012-06-03 22:19:22 +0200 | [diff] [blame] | 292 | if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 293 | goto err_free; |
| 294 | |
| 295 | /* discard frames on not active interfaces */ |
Sven Eckelmann | e9a4f29 | 2012-06-03 22:19:19 +0200 | [diff] [blame] | 296 | if (hard_iface->if_status != BATADV_IF_ACTIVE) |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 297 | goto err_free; |
| 298 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 299 | batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 300 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 301 | if (batadv_ogm_packet->header.version != BATADV_COMPAT_VERSION) { |
Sven Eckelmann | 39c75a5 | 2012-06-03 22:19:22 +0200 | [diff] [blame] | 302 | batadv_dbg(BATADV_DBG_BATMAN, bat_priv, |
Sven Eckelmann | 1eda58b | 2012-05-12 13:48:58 +0200 | [diff] [blame] | 303 | "Drop packet: incompatible batman version (%i)\n", |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 304 | batadv_ogm_packet->header.version); |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 305 | goto err_free; |
| 306 | } |
| 307 | |
| 308 | /* all receive handlers return whether they received or reused |
| 309 | * the supplied skb. if not, we have to free the skb. |
| 310 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 311 | idx = batadv_ogm_packet->header.packet_type; |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 312 | ret = (*batadv_rx_handler[idx])(skb, hard_iface); |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 313 | |
| 314 | if (ret == NET_RX_DROP) |
| 315 | kfree_skb(skb); |
| 316 | |
| 317 | /* return NET_RX_SUCCESS in any case as we |
| 318 | * most probably dropped the packet for |
| 319 | * routing-logical reasons. |
| 320 | */ |
| 321 | return NET_RX_SUCCESS; |
| 322 | |
| 323 | err_free: |
| 324 | kfree_skb(skb); |
| 325 | err_out: |
| 326 | return NET_RX_DROP; |
| 327 | } |
| 328 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 329 | static void batadv_recv_handler_init(void) |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 330 | { |
| 331 | int i; |
| 332 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 333 | for (i = 0; i < ARRAY_SIZE(batadv_rx_handler); i++) |
| 334 | batadv_rx_handler[i] = batadv_recv_unhandled_packet; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 335 | |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 336 | /* batman icmp packet */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 337 | batadv_rx_handler[BATADV_ICMP] = batadv_recv_icmp_packet; |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 338 | /* unicast with 4 addresses packet */ |
| 339 | batadv_rx_handler[BATADV_UNICAST_4ADDR] = batadv_recv_unicast_packet; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 340 | /* unicast packet */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 341 | batadv_rx_handler[BATADV_UNICAST] = batadv_recv_unicast_packet; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 342 | /* fragmented unicast packet */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 343 | batadv_rx_handler[BATADV_UNICAST_FRAG] = batadv_recv_ucast_frag_packet; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 344 | /* broadcast packet */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 345 | batadv_rx_handler[BATADV_BCAST] = batadv_recv_bcast_packet; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 346 | /* vis packet */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 347 | batadv_rx_handler[BATADV_VIS] = batadv_recv_vis_packet; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 348 | /* Translation table query (request or response) */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 349 | batadv_rx_handler[BATADV_TT_QUERY] = batadv_recv_tt_query; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 350 | /* Roaming advertisement */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 351 | batadv_rx_handler[BATADV_ROAM_ADV] = batadv_recv_roam_adv; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 352 | } |
| 353 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 354 | int |
| 355 | batadv_recv_handler_register(uint8_t packet_type, |
| 356 | int (*recv_handler)(struct sk_buff *, |
| 357 | struct batadv_hard_iface *)) |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 358 | { |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 359 | if (batadv_rx_handler[packet_type] != &batadv_recv_unhandled_packet) |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 360 | return -EBUSY; |
| 361 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 362 | batadv_rx_handler[packet_type] = recv_handler; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 363 | return 0; |
| 364 | } |
| 365 | |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 366 | void batadv_recv_handler_unregister(uint8_t packet_type) |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 367 | { |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 368 | batadv_rx_handler[packet_type] = batadv_recv_unhandled_packet; |
Marek Lindner | ffa995e | 2012-03-01 15:35:17 +0800 | [diff] [blame] | 369 | } |
| 370 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 371 | static struct batadv_algo_ops *batadv_algo_get(char *name) |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 372 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 373 | struct batadv_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp; |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 374 | |
Sasha Levin | b67bfe0 | 2013-02-27 17:06:00 -0800 | [diff] [blame] | 375 | hlist_for_each_entry(bat_algo_ops_tmp, &batadv_algo_list, list) { |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 376 | if (strcmp(bat_algo_ops_tmp->name, name) != 0) |
| 377 | continue; |
| 378 | |
| 379 | bat_algo_ops = bat_algo_ops_tmp; |
| 380 | break; |
| 381 | } |
| 382 | |
| 383 | return bat_algo_ops; |
| 384 | } |
| 385 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 386 | int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops) |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 387 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 388 | struct batadv_algo_ops *bat_algo_ops_tmp; |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 389 | int ret; |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 390 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 391 | bat_algo_ops_tmp = batadv_algo_get(bat_algo_ops->name); |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 392 | if (bat_algo_ops_tmp) { |
Sven Eckelmann | 86ceb36 | 2012-03-07 09:07:45 +0100 | [diff] [blame] | 393 | pr_info("Trying to register already registered routing algorithm: %s\n", |
| 394 | bat_algo_ops->name); |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 395 | ret = -EEXIST; |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 396 | goto out; |
| 397 | } |
| 398 | |
Marek Lindner | 01c4224 | 2011-11-28 21:31:55 +0800 | [diff] [blame] | 399 | /* all algorithms must implement all ops (for now) */ |
Marek Lindner | c2aca02 | 2012-02-07 17:20:45 +0800 | [diff] [blame] | 400 | if (!bat_algo_ops->bat_iface_enable || |
Marek Lindner | 00a5007 | 2012-02-07 17:20:47 +0800 | [diff] [blame] | 401 | !bat_algo_ops->bat_iface_disable || |
Marek Lindner | c322939 | 2012-03-11 06:17:50 +0800 | [diff] [blame] | 402 | !bat_algo_ops->bat_iface_update_mac || |
Marek Lindner | cd8b78e | 2012-02-07 17:20:49 +0800 | [diff] [blame] | 403 | !bat_algo_ops->bat_primary_iface_set || |
Marek Lindner | 01c4224 | 2011-11-28 21:31:55 +0800 | [diff] [blame] | 404 | !bat_algo_ops->bat_ogm_schedule || |
Marek Lindner | c3e2931 | 2012-03-04 16:56:25 +0800 | [diff] [blame] | 405 | !bat_algo_ops->bat_ogm_emit) { |
Marek Lindner | 01c4224 | 2011-11-28 21:31:55 +0800 | [diff] [blame] | 406 | pr_info("Routing algo '%s' does not implement required ops\n", |
| 407 | bat_algo_ops->name); |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 408 | ret = -EINVAL; |
Marek Lindner | 01c4224 | 2011-11-28 21:31:55 +0800 | [diff] [blame] | 409 | goto out; |
| 410 | } |
| 411 | |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 412 | INIT_HLIST_NODE(&bat_algo_ops->list); |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 413 | hlist_add_head(&bat_algo_ops->list, &batadv_algo_list); |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 414 | ret = 0; |
| 415 | |
| 416 | out: |
| 417 | return ret; |
| 418 | } |
| 419 | |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 420 | int batadv_algo_select(struct batadv_priv *bat_priv, char *name) |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 421 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 422 | struct batadv_algo_ops *bat_algo_ops; |
Sven Eckelmann | 5346c35 | 2012-05-05 13:27:28 +0200 | [diff] [blame] | 423 | int ret = -EINVAL; |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 424 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 425 | bat_algo_ops = batadv_algo_get(name); |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 426 | if (!bat_algo_ops) |
| 427 | goto out; |
| 428 | |
| 429 | bat_priv->bat_algo_ops = bat_algo_ops; |
| 430 | ret = 0; |
| 431 | |
| 432 | out: |
| 433 | return ret; |
| 434 | } |
| 435 | |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 436 | int batadv_algo_seq_print_text(struct seq_file *seq, void *offset) |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 437 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 438 | struct batadv_algo_ops *bat_algo_ops; |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 439 | |
Antonio Quartulli | 0c81465 | 2013-03-21 09:23:29 +0100 | [diff] [blame] | 440 | seq_puts(seq, "Available routing algorithms:\n"); |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 441 | |
Sasha Levin | b67bfe0 | 2013-02-27 17:06:00 -0800 | [diff] [blame] | 442 | hlist_for_each_entry(bat_algo_ops, &batadv_algo_list, list) { |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 443 | seq_printf(seq, "%s\n", bat_algo_ops->name); |
| 444 | } |
| 445 | |
| 446 | return 0; |
| 447 | } |
| 448 | |
Sven Eckelmann | 95a066d | 2012-10-17 21:10:39 +0200 | [diff] [blame] | 449 | /** |
| 450 | * batadv_skb_crc32 - calculate CRC32 of the whole packet and skip bytes in |
| 451 | * the header |
| 452 | * @skb: skb pointing to fragmented socket buffers |
| 453 | * @payload_ptr: Pointer to position inside the head buffer of the skb |
| 454 | * marking the start of the data to be CRC'ed |
| 455 | * |
| 456 | * payload_ptr must always point to an address in the skb head buffer and not to |
| 457 | * a fragment. |
| 458 | */ |
| 459 | __be32 batadv_skb_crc32(struct sk_buff *skb, u8 *payload_ptr) |
| 460 | { |
| 461 | u32 crc = 0; |
| 462 | unsigned int from; |
| 463 | unsigned int to = skb->len; |
| 464 | struct skb_seq_state st; |
| 465 | const u8 *data; |
| 466 | unsigned int len; |
| 467 | unsigned int consumed = 0; |
| 468 | |
| 469 | from = (unsigned int)(payload_ptr - skb->data); |
| 470 | |
| 471 | skb_prepare_seq_read(skb, from, to, &st); |
| 472 | while ((len = skb_seq_read(consumed, &data, &st)) != 0) { |
| 473 | crc = crc32c(crc, data, len); |
| 474 | consumed += len; |
| 475 | } |
| 476 | skb_abort_seq_read(&st); |
| 477 | |
| 478 | return htonl(crc); |
| 479 | } |
| 480 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 481 | static int batadv_param_set_ra(const char *val, const struct kernel_param *kp) |
Marek Lindner | d419be1 | 2011-12-10 19:45:53 +0800 | [diff] [blame] | 482 | { |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 483 | struct batadv_algo_ops *bat_algo_ops; |
Marek Lindner | d8cb5486 | 2012-04-18 17:16:39 +0800 | [diff] [blame] | 484 | char *algo_name = (char *)val; |
| 485 | size_t name_len = strlen(algo_name); |
Marek Lindner | d419be1 | 2011-12-10 19:45:53 +0800 | [diff] [blame] | 486 | |
Marek Lindner | 293c9c1 | 2013-04-27 16:22:28 +0800 | [diff] [blame] | 487 | if (name_len > 0 && algo_name[name_len - 1] == '\n') |
Marek Lindner | d8cb5486 | 2012-04-18 17:16:39 +0800 | [diff] [blame] | 488 | algo_name[name_len - 1] = '\0'; |
| 489 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 490 | bat_algo_ops = batadv_algo_get(algo_name); |
Marek Lindner | d419be1 | 2011-12-10 19:45:53 +0800 | [diff] [blame] | 491 | if (!bat_algo_ops) { |
Marek Lindner | d8cb5486 | 2012-04-18 17:16:39 +0800 | [diff] [blame] | 492 | pr_err("Routing algorithm '%s' is not supported\n", algo_name); |
Marek Lindner | d419be1 | 2011-12-10 19:45:53 +0800 | [diff] [blame] | 493 | return -EINVAL; |
| 494 | } |
| 495 | |
Marek Lindner | d8cb5486 | 2012-04-18 17:16:39 +0800 | [diff] [blame] | 496 | return param_set_copystring(algo_name, kp); |
Marek Lindner | d419be1 | 2011-12-10 19:45:53 +0800 | [diff] [blame] | 497 | } |
| 498 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 499 | static const struct kernel_param_ops batadv_param_ops_ra = { |
| 500 | .set = batadv_param_set_ra, |
Marek Lindner | d419be1 | 2011-12-10 19:45:53 +0800 | [diff] [blame] | 501 | .get = param_get_string, |
| 502 | }; |
| 503 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 504 | static struct kparam_string batadv_param_string_ra = { |
Sven Eckelmann | 3193e8f | 2012-05-12 02:09:42 +0200 | [diff] [blame] | 505 | .maxlen = sizeof(batadv_routing_algo), |
| 506 | .string = batadv_routing_algo, |
Marek Lindner | d419be1 | 2011-12-10 19:45:53 +0800 | [diff] [blame] | 507 | }; |
| 508 | |
Sven Eckelmann | ee11ad6 | 2012-05-16 20:23:19 +0200 | [diff] [blame] | 509 | module_param_cb(routing_algo, &batadv_param_ops_ra, &batadv_param_string_ra, |
| 510 | 0644); |
| 511 | module_init(batadv_init); |
| 512 | module_exit(batadv_exit); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 513 | |
| 514 | MODULE_LICENSE("GPL"); |
| 515 | |
Sven Eckelmann | 42d0b04 | 2012-06-03 22:19:17 +0200 | [diff] [blame] | 516 | MODULE_AUTHOR(BATADV_DRIVER_AUTHOR); |
| 517 | MODULE_DESCRIPTION(BATADV_DRIVER_DESC); |
| 518 | MODULE_SUPPORTED_DEVICE(BATADV_DRIVER_DEVICE); |
| 519 | MODULE_VERSION(BATADV_SOURCE_VERSION); |