linux-imx

// SPDX-License-Identifier: GPL-2.0

/* Copyright (C) 2007-2019  B.A.T.M.A.N. contributors:

 *

 * Marek Lindner, Simon Wunderlich, Antonio Quartulli

 *

 * 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, see <http://www.gnu.org/licenses/>.

 */

​

#include "translation-table.h"

#include "main.h"

​

#include <linux/atomic.h>

#include <linux/bitops.h>

#include <linux/build_bug.h>

#include <linux/byteorder/generic.h>

#include <linux/cache.h>

#include <linux/compiler.h>

#include <linux/crc32c.h>

#include <linux/errno.h>

#include <linux/etherdevice.h>

#include <linux/gfp.h>

#include <linux/if_ether.h>

#include <linux/init.h>

#include <linux/jhash.h>

#include <linux/jiffies.h>

#include <linux/kernel.h>

#include <linux/kref.h>

#include <linux/list.h>

#include <linux/lockdep.h>

#include <linux/net.h>

#include <linux/netdevice.h>

#include <linux/netlink.h>

#include <linux/rculist.h>

#include <linux/rcupdate.h>

#include <linux/seq_file.h>

#include <linux/skbuff.h>

#include <linux/slab.h>

#include <linux/spinlock.h>

#include <linux/stddef.h>

#include <linux/string.h>

#include <linux/workqueue.h>

#include <net/genetlink.h>

#include <net/netlink.h>

#include <net/sock.h>

#include <uapi/linux/batadv_packet.h>

#include <uapi/linux/batman_adv.h>

​

#include "bridge_loop_avoidance.h"

#include "hard-interface.h"

#include "hash.h"

#include "log.h"

#include "netlink.h"

#include "originator.h"

#include "soft-interface.h"

#include "tvlv.h"

​

static struct kmem_cache *batadv_tl_cache __read_mostly;

static struct kmem_cache *batadv_tg_cache __read_mostly;

static struct kmem_cache *batadv_tt_orig_cache __read_mostly;

static struct kmem_cache *batadv_tt_change_cache __read_mostly;

static struct kmem_cache *batadv_tt_req_cache __read_mostly;

static struct kmem_cache *batadv_tt_roam_cache __read_mostly;

​

/* hash class keys */

static struct lock_class_key batadv_tt_local_hash_lock_class_key;

static struct lock_class_key batadv_tt_global_hash_lock_class_key;

​

static void batadv_send_roam_adv(struct batadv_priv *bat_priv, u8 *client,

                 unsigned short vid,

                 struct batadv_orig_node *orig_node);

static void batadv_tt_purge(struct work_struct *work);

static void

batadv_tt_global_del_orig_list(struct batadv_tt_global_entry *tt_global_entry);

static void batadv_tt_global_del(struct batadv_priv *bat_priv,

                 struct batadv_orig_node *orig_node,

                 const unsigned char *addr,

                 unsigned short vid, const char *message,

                 bool roaming);

​

/**

 * batadv_compare_tt() - check if two TT entries are the same

 * @node: the list element pointer of the first TT entry