1 /* 2 * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors: 3 * 4 * Marek Lindner, Simon Wunderlich 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of version 2 of the GNU General Public 8 * License as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301, USA 19 * 20 */ 21 22 #ifndef _NET_BATMAN_ADV_MAIN_H_ 23 #define _NET_BATMAN_ADV_MAIN_H_ 24 25 /* Kernel Programming */ 26 #define LINUX 27 28 #define DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, " \ 29 "Simon Wunderlich <siwu@hrz.tu-chemnitz.de>" 30 #define DRIVER_DESC "B.A.T.M.A.N. advanced" 31 #define DRIVER_DEVICE "batman-adv" 32 33 #define SOURCE_VERSION "next" 34 35 36 /* B.A.T.M.A.N. parameters */ 37 38 #define TQ_MAX_VALUE 255 39 #define JITTER 20 40 #define TTL 50 /* Time To Live of broadcast messages */ 41 42 #define PURGE_TIMEOUT 200 /* purge originators after time in seconds if no 43 * valid packet comes in -> TODO: check 44 * influence on TQ_LOCAL_WINDOW_SIZE */ 45 #define LOCAL_HNA_TIMEOUT 3600 /* in seconds */ 46 47 #define TQ_LOCAL_WINDOW_SIZE 64 /* sliding packet range of received originator 48 * messages in squence numbers (should be a 49 * multiple of our word size) */ 50 #define TQ_GLOBAL_WINDOW_SIZE 5 51 #define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1 52 #define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1 53 #define TQ_TOTAL_BIDRECT_LIMIT 1 54 55 #define NUM_WORDS (TQ_LOCAL_WINDOW_SIZE / WORD_BIT_SIZE) 56 57 #define PACKBUFF_SIZE 2000 58 #define LOG_BUF_LEN 8192 /* has to be a power of 2 */ 59 60 #define VIS_INTERVAL 5000 /* 5 seconds */ 61 62 /* how much worse secondary interfaces may be to 63 * to be considered as bonding candidates */ 64 65 #define BONDING_TQ_THRESHOLD 50 66 67 #define MAX_AGGREGATION_BYTES 512 /* should not be bigger than 512 bytes or 68 * change the size of 69 * forw_packet->direct_link_flags */ 70 #define MAX_AGGREGATION_MS 100 71 72 #define SOFTIF_NEIGH_TIMEOUT 180000 /* 3 minutes */ 73 74 #define RESET_PROTECTION_MS 30000 75 #define EXPECTED_SEQNO_RANGE 65536 76 /* don't reset again within 30 seconds */ 77 78 #define MESH_INACTIVE 0 79 #define MESH_ACTIVE 1 80 #define MESH_DEACTIVATING 2 81 82 #define BCAST_QUEUE_LEN 256 83 #define BATMAN_QUEUE_LEN 256 84 85 /* 86 * Debug Messages 87 */ 88 #ifdef pr_fmt 89 #undef pr_fmt 90 #endif 91 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt /* Append 'batman-adv: ' before 92 * kernel messages */ 93 94 #define DBG_BATMAN 1 /* all messages related to routing / flooding / 95 * broadcasting / etc */ 96 #define DBG_ROUTES 2 /* route or hna added / changed / deleted */ 97 #define DBG_ALL 3 98 99 #define LOG_BUF_LEN 8192 /* has to be a power of 2 */ 100 101 102 /* 103 * Vis 104 */ 105 106 /* #define VIS_SUBCLUSTERS_DISABLED */ 107 108 /* 109 * Kernel headers 110 */ 111 112 #include <linux/mutex.h> /* mutex */ 113 #include <linux/module.h> /* needed by all modules */ 114 #include <linux/netdevice.h> /* netdevice */ 115 #include <linux/etherdevice.h> /* ethernet address classifaction */ 116 #include <linux/if_ether.h> /* ethernet header */ 117 #include <linux/poll.h> /* poll_table */ 118 #include <linux/kthread.h> /* kernel threads */ 119 #include <linux/pkt_sched.h> /* schedule types */ 120 #include <linux/workqueue.h> /* workqueue */ 121 #include <linux/slab.h> 122 #include <net/sock.h> /* struct sock */ 123 #include <linux/jiffies.h> 124 #include <linux/seq_file.h> 125 #include "types.h" 126 127 #ifndef REVISION_VERSION 128 #define REVISION_VERSION_STR "" 129 #else 130 #define REVISION_VERSION_STR " "REVISION_VERSION 131 #endif 132 133 extern struct list_head if_list; 134 135 extern unsigned char broadcast_addr[]; 136 extern struct workqueue_struct *bat_event_workqueue; 137 138 int mesh_init(struct net_device *soft_iface); 139 void mesh_free(struct net_device *soft_iface); 140 void inc_module_count(void); 141 void dec_module_count(void); 142 int is_my_mac(uint8_t *addr); 143 144 #ifdef CONFIG_BATMAN_ADV_DEBUG 145 int debug_log(struct bat_priv *bat_priv, char *fmt, ...); 146 147 #define bat_dbg(type, bat_priv, fmt, arg...) \ 148 do { \ 149 if (atomic_read(&bat_priv->log_level) & type) \ 150 debug_log(bat_priv, fmt, ## arg); \ 151 } \ 152 while (0) 153 #else /* !CONFIG_BATMAN_ADV_DEBUG */ 154 static inline void bat_dbg(char type __always_unused, 155 struct bat_priv *bat_priv __always_unused, 156 char *fmt __always_unused, ...) 157 { 158 } 159 #endif 160 161 #define bat_warning(net_dev, fmt, arg...) \ 162 do { \ 163 struct net_device *_netdev = (net_dev); \ 164 struct bat_priv *_batpriv = netdev_priv(_netdev); \ 165 bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ 166 pr_warning("%s: " fmt, _netdev->name, ## arg); \ 167 } while (0) 168 #define bat_info(net_dev, fmt, arg...) \ 169 do { \ 170 struct net_device *_netdev = (net_dev); \ 171 struct bat_priv *_batpriv = netdev_priv(_netdev); \ 172 bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ 173 pr_info("%s: " fmt, _netdev->name, ## arg); \ 174 } while (0) 175 #define bat_err(net_dev, fmt, arg...) \ 176 do { \ 177 struct net_device *_netdev = (net_dev); \ 178 struct bat_priv *_batpriv = netdev_priv(_netdev); \ 179 bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ 180 pr_err("%s: " fmt, _netdev->name, ## arg); \ 181 } while (0) 182 183 #endif /* _NET_BATMAN_ADV_MAIN_H_ */ 184