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-rw-r--r--net/batman-adv/main.c187
1 files changed, 187 insertions, 0 deletions
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
new file mode 100644
index 000000000000..b827f6a158cb
--- /dev/null
+++ b/net/batman-adv/main.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner, Simon Wunderlich
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ */
+
+#include "main.h"
+#include "bat_sysfs.h"
+#include "bat_debugfs.h"
+#include "routing.h"
+#include "send.h"
+#include "originator.h"
+#include "soft-interface.h"
+#include "icmp_socket.h"
+#include "translation-table.h"
+#include "hard-interface.h"
+#include "gateway_client.h"
+#include "types.h"
+#include "vis.h"
+#include "hash.h"
+
+struct list_head if_list;
+
+unsigned char broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+struct workqueue_struct *bat_event_workqueue;
+
+static int __init batman_init(void)
+{
+ INIT_LIST_HEAD(&if_list);
+
+ /* the name should not be longer than 10 chars - see
+ * http://lwn.net/Articles/23634/ */
+ bat_event_workqueue = create_singlethread_workqueue("bat_events");
+
+ if (!bat_event_workqueue)
+ return -ENOMEM;
+
+ bat_socket_init();
+ debugfs_init();
+
+ register_netdevice_notifier(&hard_if_notifier);
+
+ pr_info("B.A.T.M.A.N. advanced %s%s (compatibility version %i) "
+ "loaded\n", SOURCE_VERSION, REVISION_VERSION_STR,
+ COMPAT_VERSION);
+
+ return 0;
+}
+
+static void __exit batman_exit(void)
+{
+ debugfs_destroy();
+ unregister_netdevice_notifier(&hard_if_notifier);
+ hardif_remove_interfaces();
+
+ flush_workqueue(bat_event_workqueue);
+ destroy_workqueue(bat_event_workqueue);
+ bat_event_workqueue = NULL;
+
+ rcu_barrier();
+}
+
+int mesh_init(struct net_device *soft_iface)
+{
+ struct bat_priv *bat_priv = netdev_priv(soft_iface);
+
+ spin_lock_init(&bat_priv->orig_hash_lock);
+ spin_lock_init(&bat_priv->forw_bat_list_lock);
+ spin_lock_init(&bat_priv->forw_bcast_list_lock);
+ spin_lock_init(&bat_priv->hna_lhash_lock);
+ spin_lock_init(&bat_priv->hna_ghash_lock);
+ spin_lock_init(&bat_priv->gw_list_lock);
+ spin_lock_init(&bat_priv->vis_hash_lock);
+ spin_lock_init(&bat_priv->vis_list_lock);
+ spin_lock_init(&bat_priv->softif_neigh_lock);
+
+ INIT_HLIST_HEAD(&bat_priv->forw_bat_list);
+ INIT_HLIST_HEAD(&bat_priv->forw_bcast_list);
+ INIT_HLIST_HEAD(&bat_priv->gw_list);
+ INIT_HLIST_HEAD(&bat_priv->softif_neigh_list);
+
+ if (originator_init(bat_priv) < 1)
+ goto err;
+
+ if (hna_local_init(bat_priv) < 1)
+ goto err;
+
+ if (hna_global_init(bat_priv) < 1)
+ goto err;
+
+ hna_local_add(soft_iface, soft_iface->dev_addr);
+
+ if (vis_init(bat_priv) < 1)
+ goto err;
+
+ atomic_set(&bat_priv->mesh_state, MESH_ACTIVE);
+ goto end;
+
+err:
+ pr_err("Unable to allocate memory for mesh information structures: "
+ "out of mem ?\n");
+ mesh_free(soft_iface);
+ return -1;
+
+end:
+ return 0;
+}
+
+void mesh_free(struct net_device *soft_iface)
+{
+ struct bat_priv *bat_priv = netdev_priv(soft_iface);
+
+ atomic_set(&bat_priv->mesh_state, MESH_DEACTIVATING);
+
+ purge_outstanding_packets(bat_priv, NULL);
+
+ vis_quit(bat_priv);
+
+ gw_node_purge(bat_priv);
+ originator_free(bat_priv);
+
+ hna_local_free(bat_priv);
+ hna_global_free(bat_priv);
+
+ softif_neigh_purge(bat_priv);
+
+ atomic_set(&bat_priv->mesh_state, MESH_INACTIVE);
+}
+
+void inc_module_count(void)
+{
+ try_module_get(THIS_MODULE);
+}
+
+void dec_module_count(void)
+{
+ module_put(THIS_MODULE);
+}
+
+int is_my_mac(uint8_t *addr)
+{
+ struct batman_if *batman_if;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(batman_if, &if_list, list) {
+ if (batman_if->if_status != IF_ACTIVE)
+ continue;
+
+ if (compare_orig(batman_if->net_dev->dev_addr, addr)) {
+ rcu_read_unlock();
+ return 1;
+ }
+ }
+ rcu_read_unlock();
+ return 0;
+
+}
+
+module_init(batman_init);
+module_exit(batman_exit);
+
+MODULE_LICENSE("GPL");
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_SUPPORTED_DEVICE(DRIVER_DEVICE);
+#ifdef REVISION_VERSION
+MODULE_VERSION(SOURCE_VERSION "-" REVISION_VERSION);
+#else
+MODULE_VERSION(SOURCE_VERSION);
+#endif