net: Add batman-adv meshing protocol
B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is a routing protocol for multi-hop ad-hoc mesh networks. The networks may be wired or wireless. See http://www.open-mesh.org/ for more information and user space tools. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sven Eckelmann
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David S. Miller
David S. Miller
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b236da6931
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183
net/batman-adv/main.h
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183
net/batman-adv/main.h
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/*
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* Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner, Simon Wunderlich
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*
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*/
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#ifndef _NET_BATMAN_ADV_MAIN_H_
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#define _NET_BATMAN_ADV_MAIN_H_
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/* Kernel Programming */
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#define LINUX
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#define DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, " \
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"Simon Wunderlich <siwu@hrz.tu-chemnitz.de>"
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#define DRIVER_DESC "B.A.T.M.A.N. advanced"
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#define DRIVER_DEVICE "batman-adv"
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#define SOURCE_VERSION "next"
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/* B.A.T.M.A.N. parameters */
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#define TQ_MAX_VALUE 255
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#define JITTER 20
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#define TTL 50 /* Time To Live of broadcast messages */
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#define PURGE_TIMEOUT 200 /* purge originators after time in seconds if no
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* valid packet comes in -> TODO: check
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* influence on TQ_LOCAL_WINDOW_SIZE */
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#define LOCAL_HNA_TIMEOUT 3600 /* in seconds */
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#define TQ_LOCAL_WINDOW_SIZE 64 /* sliding packet range of received originator
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* messages in squence numbers (should be a
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* multiple of our word size) */
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#define TQ_GLOBAL_WINDOW_SIZE 5
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#define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1
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#define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1
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#define TQ_TOTAL_BIDRECT_LIMIT 1
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#define NUM_WORDS (TQ_LOCAL_WINDOW_SIZE / WORD_BIT_SIZE)
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#define PACKBUFF_SIZE 2000
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#define LOG_BUF_LEN 8192 /* has to be a power of 2 */
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#define VIS_INTERVAL 5000 /* 5 seconds */
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/* how much worse secondary interfaces may be to
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* to be considered as bonding candidates */
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#define BONDING_TQ_THRESHOLD 50
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#define MAX_AGGREGATION_BYTES 512 /* should not be bigger than 512 bytes or
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* change the size of
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* forw_packet->direct_link_flags */
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#define MAX_AGGREGATION_MS 100
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#define SOFTIF_NEIGH_TIMEOUT 180000 /* 3 minutes */
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#define RESET_PROTECTION_MS 30000
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#define EXPECTED_SEQNO_RANGE 65536
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/* don't reset again within 30 seconds */
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#define MESH_INACTIVE 0
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#define MESH_ACTIVE 1
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#define MESH_DEACTIVATING 2
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#define BCAST_QUEUE_LEN 256
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#define BATMAN_QUEUE_LEN 256
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/*
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* Debug Messages
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*/
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#ifdef pr_fmt
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#undef pr_fmt
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#endif
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt /* Append 'batman-adv: ' before
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* kernel messages */
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#define DBG_BATMAN 1 /* all messages related to routing / flooding /
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* broadcasting / etc */
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#define DBG_ROUTES 2 /* route or hna added / changed / deleted */
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#define DBG_ALL 3
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#define LOG_BUF_LEN 8192 /* has to be a power of 2 */
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/*
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* Vis
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*/
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/* #define VIS_SUBCLUSTERS_DISABLED */
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/*
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* Kernel headers
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*/
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#include <linux/mutex.h> /* mutex */
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#include <linux/module.h> /* needed by all modules */
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#include <linux/netdevice.h> /* netdevice */
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#include <linux/etherdevice.h> /* ethernet address classifaction */
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#include <linux/if_ether.h> /* ethernet header */
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#include <linux/poll.h> /* poll_table */
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#include <linux/kthread.h> /* kernel threads */
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#include <linux/pkt_sched.h> /* schedule types */
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#include <linux/workqueue.h> /* workqueue */
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#include <linux/slab.h>
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#include <net/sock.h> /* struct sock */
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#include <linux/jiffies.h>
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#include <linux/seq_file.h>
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#include "types.h"
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#ifndef REVISION_VERSION
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#define REVISION_VERSION_STR ""
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#else
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#define REVISION_VERSION_STR " "REVISION_VERSION
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#endif
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extern struct list_head if_list;
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extern unsigned char broadcast_addr[];
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extern struct workqueue_struct *bat_event_workqueue;
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int mesh_init(struct net_device *soft_iface);
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void mesh_free(struct net_device *soft_iface);
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void inc_module_count(void);
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void dec_module_count(void);
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int is_my_mac(uint8_t *addr);
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#ifdef CONFIG_BATMAN_ADV_DEBUG
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int debug_log(struct bat_priv *bat_priv, char *fmt, ...);
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#define bat_dbg(type, bat_priv, fmt, arg...) \
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do { \
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if (atomic_read(&bat_priv->log_level) & type) \
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debug_log(bat_priv, fmt, ## arg); \
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} \
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while (0)
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#else /* !CONFIG_BATMAN_ADV_DEBUG */
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static inline void bat_dbg(char type __attribute__((unused)),
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struct bat_priv *bat_priv __attribute__((unused)),
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char *fmt __attribute__((unused)), ...)
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{
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}
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#endif
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#define bat_warning(net_dev, fmt, arg...) \
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do { \
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struct net_device *_netdev = (net_dev); \
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struct bat_priv *_batpriv = netdev_priv(_netdev); \
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bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
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pr_warning("%s: " fmt, _netdev->name, ## arg); \
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} while (0)
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#define bat_info(net_dev, fmt, arg...) \
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do { \
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struct net_device *_netdev = (net_dev); \
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struct bat_priv *_batpriv = netdev_priv(_netdev); \
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bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
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pr_info("%s: " fmt, _netdev->name, ## arg); \
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} while (0)
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#define bat_err(net_dev, fmt, arg...) \
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do { \
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struct net_device *_netdev = (net_dev); \
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struct bat_priv *_batpriv = netdev_priv(_netdev); \
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bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
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pr_err("%s: " fmt, _netdev->name, ## arg); \
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} while (0)
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#endif /* _NET_BATMAN_ADV_MAIN_H_ */
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