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 38 /* Time To Live of broadcast messages */ 39 #define TTL 50 40 41 /* purge originators after time in seconds if no valid packet comes in 42 * -> TODO: check influence on TQ_LOCAL_WINDOW_SIZE */ 43 #define PURGE_TIMEOUT 200 44 #define TT_LOCAL_TIMEOUT 3600 /* in seconds */ 45 46 /* sliding packet range of received originator messages in squence numbers 47 * (should be a multiple of our word size) */ 48 #define TQ_LOCAL_WINDOW_SIZE 64 49 #define TQ_GLOBAL_WINDOW_SIZE 5 50 #define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1 51 #define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1 52 #define TQ_TOTAL_BIDRECT_LIMIT 1 53 54 #define NUM_WORDS (TQ_LOCAL_WINDOW_SIZE / WORD_BIT_SIZE) 55 56 #define LOG_BUF_LEN 8192 /* has to be a power of 2 */ 57 58 #define VIS_INTERVAL 5000 /* 5 seconds */ 59 60 /* how much worse secondary interfaces may be to be considered as bonding 61 * candidates */ 62 #define BONDING_TQ_THRESHOLD 50 63 64 /* should not be bigger than 512 bytes or change the size of 65 * forw_packet->direct_link_flags */ 66 #define MAX_AGGREGATION_BYTES 512 67 #define MAX_AGGREGATION_MS 100 68 69 #define SOFTIF_NEIGH_TIMEOUT 180000 /* 3 minutes */ 70 71 /* don't reset again within 30 seconds */ 72 #define RESET_PROTECTION_MS 30000 73 #define EXPECTED_SEQNO_RANGE 65536 74 75 #define MESH_INACTIVE 0 76 #define MESH_ACTIVE 1 77 #define MESH_DEACTIVATING 2 78 79 #define BCAST_QUEUE_LEN 256 80 #define BATMAN_QUEUE_LEN 256 81 82 /* 83 * Debug Messages 84 */ 85 #ifdef pr_fmt 86 #undef pr_fmt 87 #endif 88 /* Append 'batman-adv: ' before kernel messages */ 89 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 90 91 /* all messages related to routing / flooding / broadcasting / etc */ 92 #define DBG_BATMAN 1 93 /* route or tt entry added / changed / deleted */ 94 #define DBG_ROUTES 2 95 #define DBG_ALL 3 96 97 98 /* 99 * Vis 100 */ 101 102 /* 103 * Kernel headers 104 */ 105 106 #include <linux/mutex.h> /* mutex */ 107 #include <linux/module.h> /* needed by all modules */ 108 #include <linux/netdevice.h> /* netdevice */ 109 #include <linux/etherdevice.h> /* ethernet address classifaction */ 110 #include <linux/if_ether.h> /* ethernet header */ 111 #include <linux/poll.h> /* poll_table */ 112 #include <linux/kthread.h> /* kernel threads */ 113 #include <linux/pkt_sched.h> /* schedule types */ 114 #include <linux/workqueue.h> /* workqueue */ 115 #include <linux/slab.h> 116 #include <net/sock.h> /* struct sock */ 117 #include <linux/jiffies.h> 118 #include <linux/seq_file.h> 119 #include "types.h" 120 121 #ifndef REVISION_VERSION 122 #define REVISION_VERSION_STR "" 123 #else 124 #define REVISION_VERSION_STR " "REVISION_VERSION 125 #endif 126 127 extern struct list_head hardif_list; 128 129 extern unsigned char broadcast_addr[]; 130 extern struct workqueue_struct *bat_event_workqueue; 131 132 int mesh_init(struct net_device *soft_iface); 133 void mesh_free(struct net_device *soft_iface); 134 void inc_module_count(void); 135 void dec_module_count(void); 136 int is_my_mac(uint8_t *addr); 137 138 #ifdef CONFIG_BATMAN_ADV_DEBUG 139 int debug_log(struct bat_priv *bat_priv, char *fmt, ...); 140 141 #define bat_dbg(type, bat_priv, fmt, arg...) \ 142 do { \ 143 if (atomic_read(&bat_priv->log_level) & type) \ 144 debug_log(bat_priv, fmt, ## arg); \ 145 } \ 146 while (0) 147 #else /* !CONFIG_BATMAN_ADV_DEBUG */ 148 static inline void bat_dbg(char type __always_unused, 149 struct bat_priv *bat_priv __always_unused, 150 char *fmt __always_unused, ...) 151 { 152 } 153 #endif 154 155 #define bat_info(net_dev, fmt, arg...) \ 156 do { \ 157 struct net_device *_netdev = (net_dev); \ 158 struct bat_priv *_batpriv = netdev_priv(_netdev); \ 159 bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ 160 pr_info("%s: " fmt, _netdev->name, ## arg); \ 161 } while (0) 162 #define bat_err(net_dev, fmt, arg...) \ 163 do { \ 164 struct net_device *_netdev = (net_dev); \ 165 struct bat_priv *_batpriv = netdev_priv(_netdev); \ 166 bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ 167 pr_err("%s: " fmt, _netdev->name, ## arg); \ 168 } while (0) 169 170 /** 171 * returns 1 if they are the same ethernet addr 172 * 173 * note: can't use compare_ether_addr() as it requires aligned memory 174 */ 175 static inline int compare_eth(void *data1, void *data2) 176 { 177 return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); 178 } 179 180 #define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0) 181 182 #endif /* _NET_BATMAN_ADV_MAIN_H_ */ 183