Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1 | /* |
Sven Eckelmann | 64afe35 | 2011-01-27 10:38:15 +0100 | [diff] [blame] | 2 | * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 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 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 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 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 37 | |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 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 |
Antonio Quartulli | 2dafb49 | 2011-05-05 08:42:45 +0200 | [diff] [blame] | 44 | #define TT_LOCAL_TIMEOUT 3600 /* in seconds */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 45 | |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 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 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 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 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 56 | #define LOG_BUF_LEN 8192 /* has to be a power of 2 */ |
| 57 | |
| 58 | #define VIS_INTERVAL 5000 /* 5 seconds */ |
| 59 | |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 60 | /* how much worse secondary interfaces may be to be considered as bonding |
| 61 | * candidates */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 62 | #define BONDING_TQ_THRESHOLD 50 |
| 63 | |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 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 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 67 | #define MAX_AGGREGATION_MS 100 |
| 68 | |
| 69 | #define SOFTIF_NEIGH_TIMEOUT 180000 /* 3 minutes */ |
| 70 | |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 71 | /* don't reset again within 30 seconds */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 72 | #define RESET_PROTECTION_MS 30000 |
| 73 | #define EXPECTED_SEQNO_RANGE 65536 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 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 |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 88 | /* Append 'batman-adv: ' before kernel messages */ |
| 89 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 90 | |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 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 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 95 | #define DBG_ALL 3 |
| 96 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 97 | |
| 98 | /* |
| 99 | * Vis |
| 100 | */ |
| 101 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 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 | |
Marek Lindner | 4389e47 | 2011-02-18 12:33:19 +0000 | [diff] [blame] | 127 | extern struct list_head hardif_list; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 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 |
Sven Eckelmann | d3a547b | 2011-05-14 23:14:46 +0200 | [diff] [blame] | 139 | int debug_log(struct bat_priv *bat_priv, char *fmt, ...) __printf(2, 3); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 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 */ |
Sven Eckelmann | d3a547b | 2011-05-14 23:14:46 +0200 | [diff] [blame] | 148 | __printf(3, 4) |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 149 | static inline void bat_dbg(char type __always_unused, |
| 150 | struct bat_priv *bat_priv __always_unused, |
| 151 | char *fmt __always_unused, ...) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 152 | { |
| 153 | } |
| 154 | #endif |
| 155 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 156 | #define bat_info(net_dev, fmt, arg...) \ |
| 157 | do { \ |
| 158 | struct net_device *_netdev = (net_dev); \ |
| 159 | struct bat_priv *_batpriv = netdev_priv(_netdev); \ |
| 160 | bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ |
| 161 | pr_info("%s: " fmt, _netdev->name, ## arg); \ |
| 162 | } while (0) |
| 163 | #define bat_err(net_dev, fmt, arg...) \ |
| 164 | do { \ |
| 165 | struct net_device *_netdev = (net_dev); \ |
| 166 | struct bat_priv *_batpriv = netdev_priv(_netdev); \ |
| 167 | bat_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ |
| 168 | pr_err("%s: " fmt, _netdev->name, ## arg); \ |
| 169 | } while (0) |
| 170 | |
Marek Lindner | 39901e7 | 2011-02-18 12:28:08 +0000 | [diff] [blame] | 171 | /** |
| 172 | * returns 1 if they are the same ethernet addr |
| 173 | * |
| 174 | * note: can't use compare_ether_addr() as it requires aligned memory |
| 175 | */ |
| 176 | static inline int compare_eth(void *data1, void *data2) |
| 177 | { |
| 178 | return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); |
| 179 | } |
| 180 | |
Antonio Quartulli | 5f657ec | 2011-04-20 09:52:56 +0200 | [diff] [blame] | 181 | #define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0) |
| 182 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 183 | #endif /* _NET_BATMAN_ADV_MAIN_H_ */ |