1 /* 2 * Copyright (C) 2007-2011 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 #define DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, " \ 26 "Simon Wunderlich <siwu@hrz.tu-chemnitz.de>" 27 #define DRIVER_DESC "B.A.T.M.A.N. advanced" 28 #define DRIVER_DEVICE "batman-adv" 29 30 #define SOURCE_VERSION "next" 31 32 33 /* B.A.T.M.A.N. parameters */ 34 35 #define TQ_MAX_VALUE 255 36 #define JITTER 20 37 #define TTL 50 /* Time To Live of broadcast messages */ 38 39 #define PURGE_TIMEOUT 200 /* purge originators after time in seconds if no 40 * valid packet comes in -> TODO: check 41 * influence on TQ_LOCAL_WINDOW_SIZE */ 42 #define LOCAL_HNA_TIMEOUT 3600 /* in seconds */ 43 44 #define TQ_LOCAL_WINDOW_SIZE 64 /* sliding packet range of received originator 45 * messages in squence numbers (should be a 46 * multiple of our word size) */ 47 #define TQ_GLOBAL_WINDOW_SIZE 5 48 #define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1 49 #define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1 50 #define TQ_TOTAL_BIDRECT_LIMIT 1 51 52 #define NUM_WORDS (TQ_LOCAL_WINDOW_SIZE / WORD_BIT_SIZE) 53 54 #define LOG_BUF_LEN 8192 /* has to be a power of 2 */ 55 56 #define VIS_INTERVAL 5000 /* 5 seconds */ 57 58 /* how much worse secondary interfaces may be to 59 * to be considered as bonding candidates */ 60 61 #define BONDING_TQ_THRESHOLD 50 62 63 #define MAX_AGGREGATION_BYTES 512 /* should not be bigger than 512 bytes or 64 * change the size of 65 * forw_packet->direct_link_flags */ 66 #define MAX_AGGREGATION_MS 100 67 68 #define SOFTIF_NEIGH_TIMEOUT 180000 /* 3 minutes */ 69 70 #define RESET_PROTECTION_MS 30000 71 #define EXPECTED_SEQNO_RANGE 65536 72 /* don't reset again within 30 seconds */ 73 74 #define MESH_INACTIVE 0 75 #define MESH_ACTIVE 1 76 #define MESH_DEACTIVATING 2 77 78 #define BCAST_QUEUE_LEN 256 79 #define BATMAN_QUEUE_LEN 256 80 81 /* 82 * Debug Messages 83 */ 84 #ifdef pr_fmt 85 #undef pr_fmt 86 #endif 87 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt /* Append 'batman-adv: ' before 88 * kernel messages */ 89 90 #define DBG_BATMAN 1 /* all messages related to routing / flooding / 91 * broadcasting / etc */ 92 #define DBG_ROUTES 2 /* route or hna added / changed / deleted */ 93 #define DBG_ALL 3 94 95 96 /* 97 * Vis 98 */ 99 100 /* 101 * Kernel headers 102 */ 103 104 #include <linux/mutex.h> /* mutex */ 105 #include <linux/module.h> /* needed by all modules */ 106 #include <linux/netdevice.h> /* netdevice */ 107 #include <linux/etherdevice.h> /* ethernet address classifaction */ 108 #include <linux/if_ether.h> /* ethernet header */ 109 #include <linux/poll.h> /* poll_table */ 110 #include <linux/kthread.h> /* kernel threads */ 111 #include <linux/pkt_sched.h> /* schedule types */ 112 #include <linux/workqueue.h> /* workqueue */ 113 #include <linux/slab.h> 114 #include <net/sock.h> /* struct sock */ 115 #include <linux/jiffies.h> 116 #include <linux/seq_file.h> 117 #include "types.h" 118 119 #ifndef REVISION_VERSION 120 #define REVISION_VERSION_STR "" 121 #else 122 #define REVISION_VERSION_STR " "REVISION_VERSION 123 #endif 124 125 extern struct list_head hardif_list; 126 127 extern unsigned char broadcast_addr[]; 128 extern struct workqueue_struct *bat_event_workqueue; 129 130 int mesh_init(struct net_device *soft_iface); 131 void mesh_free(struct net_device *soft_iface); 132 void inc_module_count(void); 133 void dec_module_count(void); 134 int is_my_mac(uint8_t *addr); 135 136 #ifdef CONFIG_BATMAN_ADV_DEBUG 137 int debug_log(struct bat_priv *bat_priv, char *fmt, ...); 138 139 #define bat_dbg(type, bat_priv, fmt, arg...) \ 140 do { \ 141 if (atomic_read(&bat_priv->log_level) & type) \ 142 debug_log(bat_priv, fmt, ## arg); \ 143 } \ 144 while (0) 145 #else /* !CONFIG_BATMAN_ADV_DEBUG */ 146 static inline void bat_dbg(char type __always_unused, 147 struct bat_priv *bat_priv __always_unused, 148 char *fmt __always_unused, ...) 149 { 150 } 151 #endif 152 153 #define bat_info(net_dev, fmt, arg...) \ 154 do { \ 155 struct net_device *_netdev = (net_dev); \ 156 struct bat_priv *_batpriv = netdev_priv(_netdev); \ 157 bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ 158 pr_info("%s: " fmt, _netdev->name, ## arg); \ 159 } while (0) 160 #define bat_err(net_dev, fmt, arg...) \ 161 do { \ 162 struct net_device *_netdev = (net_dev); \ 163 struct bat_priv *_batpriv = netdev_priv(_netdev); \ 164 bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ 165 pr_err("%s: " fmt, _netdev->name, ## arg); \ 166 } while (0) 167 168 /** 169 * returns 1 if they are the same ethernet addr 170 * 171 * note: can't use compare_ether_addr() as it requires aligned memory 172 */ 173 static inline int compare_eth(void *data1, void *data2) 174 { 175 return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); 176 } 177 178 #endif /* _NET_BATMAN_ADV_MAIN_H_ */ 179