diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/staging/batman-adv/main.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c deleted file mode 100644 index 0587940d2723..000000000000 --- a/drivers/staging/batman-adv/main.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - * 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 "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->vis_hash_lock); - spin_lock_init(&bat_priv->vis_list_lock); - - INIT_HLIST_HEAD(&bat_priv->forw_bat_list); - INIT_HLIST_HEAD(&bat_priv->forw_bcast_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); - - originator_free(bat_priv); - - hna_local_free(bat_priv); - hna_global_free(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); -} - -/* returns 1 if they are the same originator */ - -int compare_orig(void *data1, void *data2) -{ - return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); -} - -/* hashfunction to choose an entry in a hash table of given size */ -/* hash algorithm from http://en.wikipedia.org/wiki/Hash_table */ -int choose_orig(void *data, int32_t size) -{ - unsigned char *key = data; - uint32_t hash = 0; - size_t i; - - for (i = 0; i < 6; i++) { - hash += key[i]; - hash += (hash << 10); - hash ^= (hash >> 6); - } - - hash += (hash << 3); - hash ^= (hash >> 11); - hash += (hash << 15); - - return hash % size; -} - -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; - -} - -int is_bcast(uint8_t *addr) -{ - return (addr[0] == (uint8_t)0xff) && (addr[1] == (uint8_t)0xff); -} - -int is_mcast(uint8_t *addr) -{ - return *addr & 0x01; -} - -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 |