Antonio Quartulli | 0b87393 | 2013-01-04 03:05:31 +0100 | [diff] [blame] | 1 | /* Copyright (C) 2007-2013 B.A.T.M.A.N. contributors: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 2 | * |
| 3 | * Marek Lindner, Simon Wunderlich |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of version 2 of the GNU General Public |
| 7 | * License as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but |
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 17 | * 02110-1301, USA |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 20 | #ifndef _NET_BATMAN_ADV_TYPES_H_ |
| 21 | #define _NET_BATMAN_ADV_TYPES_H_ |
| 22 | |
| 23 | #include "packet.h" |
| 24 | #include "bitarray.h" |
Sven Eckelmann | c11fdfa | 2012-06-03 22:19:14 +0200 | [diff] [blame] | 25 | #include <linux/kernel.h> |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 26 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 27 | /** |
| 28 | * Maximum overhead for the encapsulation for a payload packet |
| 29 | */ |
Sven Eckelmann | c11fdfa | 2012-06-03 22:19:14 +0200 | [diff] [blame] | 30 | #define BATADV_HEADER_LEN \ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 31 | (ETH_HLEN + max(sizeof(struct batadv_unicast_packet), \ |
| 32 | sizeof(struct batadv_bcast_packet))) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 33 | |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 34 | #ifdef CONFIG_BATMAN_ADV_DAT |
| 35 | |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 36 | /* batadv_dat_addr_t is the type used for all DHT addresses. If it is changed, |
| 37 | * BATADV_DAT_ADDR_MAX is changed as well. |
| 38 | * |
| 39 | * *Please be careful: batadv_dat_addr_t must be UNSIGNED* |
| 40 | */ |
| 41 | #define batadv_dat_addr_t uint16_t |
| 42 | |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 43 | #endif /* CONFIG_BATMAN_ADV_DAT */ |
| 44 | |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 45 | /** |
| 46 | * struct batadv_hard_iface_bat_iv - per hard interface B.A.T.M.A.N. IV data |
| 47 | * @ogm_buff: buffer holding the OGM packet |
| 48 | * @ogm_buff_len: length of the OGM packet buffer |
| 49 | * @ogm_seqno: OGM sequence number - used to identify each OGM |
| 50 | */ |
| 51 | struct batadv_hard_iface_bat_iv { |
| 52 | unsigned char *ogm_buff; |
| 53 | int ogm_buff_len; |
| 54 | atomic_t ogm_seqno; |
| 55 | }; |
| 56 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 57 | /** |
| 58 | * struct batadv_hard_iface - network device known to batman-adv |
| 59 | * @list: list node for batadv_hardif_list |
| 60 | * @if_num: identificator of the interface |
| 61 | * @if_status: status of the interface for batman-adv |
| 62 | * @net_dev: pointer to the net_device |
| 63 | * @frag_seqno: last fragment sequence number sent by this interface |
| 64 | * @hardif_obj: kobject of the per interface sysfs "mesh" directory |
| 65 | * @refcount: number of contexts the object is used |
| 66 | * @batman_adv_ptype: packet type describing packets that should be processed by |
| 67 | * batman-adv for this interface |
| 68 | * @soft_iface: the batman-adv interface which uses this network interface |
| 69 | * @rcu: struct used for freeing in an RCU-safe manner |
| 70 | * @bat_iv: BATMAN IV specific per hard interface data |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 71 | * @cleanup_work: work queue callback item for hard interface deinit |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 72 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 73 | struct batadv_hard_iface { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 74 | struct list_head list; |
| 75 | int16_t if_num; |
| 76 | char if_status; |
| 77 | struct net_device *net_dev; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 78 | atomic_t frag_seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 79 | struct kobject *hardif_obj; |
Marek Lindner | ed75ccb | 2011-02-10 14:33:51 +0000 | [diff] [blame] | 80 | atomic_t refcount; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 81 | struct packet_type batman_adv_ptype; |
| 82 | struct net_device *soft_iface; |
| 83 | struct rcu_head rcu; |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 84 | struct batadv_hard_iface_bat_iv bat_iv; |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 85 | struct work_struct cleanup_work; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 86 | }; |
| 87 | |
Ben Hutchings | 2c53040 | 2012-07-10 10:55:09 +0000 | [diff] [blame] | 88 | /** |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 89 | * struct batadv_orig_node - structure for orig_list maintaining nodes of mesh |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 90 | * @orig: originator ethernet address |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 91 | * @primary_addr: hosts primary interface address |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 92 | * @router: router that should be used to reach this originator |
| 93 | * @batadv_dat_addr_t: address of the orig node in the distributed hash |
| 94 | * @bcast_own: bitfield containing the number of our OGMs this orig_node |
| 95 | * rebroadcasted "back" to us (relative to last_real_seqno) |
| 96 | * @bcast_own_sum: counted result of bcast_own |
| 97 | * @last_seen: time when last packet from this node was received |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 98 | * @bcast_seqno_reset: time when the broadcast seqno window was reset |
| 99 | * @batman_seqno_reset: time when the batman seqno window was reset |
| 100 | * @gw_flags: flags related to gateway class |
| 101 | * @flags: for now only VIS_SERVER flag |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 102 | * @last_ttvn: last seen translation table version number |
| 103 | * @tt_crc: CRC of the translation table |
| 104 | * @tt_buff: last tt changeset this node received from the orig node |
| 105 | * @tt_buff_len: length of the last tt changeset this node received from the |
| 106 | * orig node |
| 107 | * @tt_buff_lock: lock that protects tt_buff and tt_buff_len |
| 108 | * @tt_size: number of global TT entries announced by the orig node |
| 109 | * @tt_initialised: bool keeping track of whether or not this node have received |
| 110 | * any translation table information from the orig node yet |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 111 | * @last_real_seqno: last and best known sequence number |
| 112 | * @last_ttl: ttl of last received packet |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 113 | * @bcast_bits: bitfield containing the info which payload broadcast originated |
| 114 | * from this orig node this host already has seen (relative to |
| 115 | * last_bcast_seqno) |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 116 | * @last_bcast_seqno: last broadcast sequence number received by this host |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 117 | * @neigh_list: list of potential next hop neighbor towards this orig node |
| 118 | * @frag_list: fragmentation buffer list for fragment re-assembly |
| 119 | * @last_frag_packet: time when last fragmented packet from this node was |
| 120 | * received |
| 121 | * @neigh_list_lock: lock protecting neigh_list, router and bonding_list |
| 122 | * @hash_entry: hlist node for batadv_priv::orig_hash |
| 123 | * @bat_priv: pointer to soft_iface this orig node belongs to |
| 124 | * @ogm_cnt_lock: lock protecting bcast_own, bcast_own_sum, |
| 125 | * neigh_node->real_bits & neigh_node->real_packet_count |
| 126 | * @bcast_seqno_lock: lock protecting bcast_bits & last_bcast_seqno |
| 127 | * @bond_candidates: how many candidates are available |
| 128 | * @bond_list: list of bonding candidates |
| 129 | * @refcount: number of contexts the object is used |
| 130 | * @rcu: struct used for freeing in an RCU-safe manner |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 131 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 132 | struct batadv_orig_node { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 133 | uint8_t orig[ETH_ALEN]; |
| 134 | uint8_t primary_addr[ETH_ALEN]; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 135 | struct batadv_neigh_node __rcu *router; /* rcu protected pointer */ |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 136 | #ifdef CONFIG_BATMAN_ADV_DAT |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 137 | batadv_dat_addr_t dat_addr; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 138 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 139 | unsigned long *bcast_own; |
| 140 | uint8_t *bcast_own_sum; |
Marek Lindner | d7b2a97 | 2012-03-01 15:35:19 +0800 | [diff] [blame] | 141 | unsigned long last_seen; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 142 | unsigned long bcast_seqno_reset; |
| 143 | unsigned long batman_seqno_reset; |
| 144 | uint8_t gw_flags; |
| 145 | uint8_t flags; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 146 | atomic_t last_ttvn; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 147 | uint16_t tt_crc; |
Antonio Quartulli | 2dafb49 | 2011-05-05 08:42:45 +0200 | [diff] [blame] | 148 | unsigned char *tt_buff; |
| 149 | int16_t tt_buff_len; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 150 | spinlock_t tt_buff_lock; /* protects tt_buff & tt_buff_len */ |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 151 | atomic_t tt_size; |
Antonio Quartulli | 1707157 | 2011-11-07 16:36:40 +0100 | [diff] [blame] | 152 | bool tt_initialised; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 153 | uint32_t last_real_seqno; |
| 154 | uint8_t last_ttl; |
Sven Eckelmann | 42d0b04 | 2012-06-03 22:19:17 +0200 | [diff] [blame] | 155 | DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 156 | uint32_t last_bcast_seqno; |
Marek Lindner | 9591a79 | 2010-12-12 21:57:11 +0000 | [diff] [blame] | 157 | struct hlist_head neigh_list; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 158 | struct list_head frag_list; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 159 | unsigned long last_frag_packet; |
| 160 | /* neigh_list_lock protects: neigh_list, router & bonding_list */ |
| 161 | spinlock_t neigh_list_lock; |
Marek Lindner | 7aadf88 | 2011-02-18 12:28:09 +0000 | [diff] [blame] | 162 | struct hlist_node hash_entry; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 163 | struct batadv_priv *bat_priv; |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 164 | /* ogm_cnt_lock protects: bcast_own, bcast_own_sum, |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 165 | * neigh_node->real_bits & neigh_node->real_packet_count |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 166 | */ |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 167 | spinlock_t ogm_cnt_lock; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 168 | /* bcast_seqno_lock protects: bcast_bits & last_bcast_seqno */ |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 169 | spinlock_t bcast_seqno_lock; |
Simon Wunderlich | a4c135c | 2011-01-19 20:01:43 +0000 | [diff] [blame] | 170 | atomic_t bond_candidates; |
| 171 | struct list_head bond_list; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 172 | atomic_t refcount; |
| 173 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 174 | }; |
| 175 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 176 | /** |
| 177 | * struct batadv_gw_node - structure for orig nodes announcing gw capabilities |
| 178 | * @list: list node for batadv_priv_gw::list |
| 179 | * @orig_node: pointer to corresponding orig node |
| 180 | * @deleted: this struct is scheduled for deletion |
| 181 | * @refcount: number of contexts the object is used |
| 182 | * @rcu: struct used for freeing in an RCU-safe manner |
| 183 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 184 | struct batadv_gw_node { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 185 | struct hlist_node list; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 186 | struct batadv_orig_node *orig_node; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 187 | unsigned long deleted; |
Marek Lindner | 25b6d3c | 2011-02-10 14:33:49 +0000 | [diff] [blame] | 188 | atomic_t refcount; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 189 | struct rcu_head rcu; |
| 190 | }; |
| 191 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 192 | /** |
| 193 | * struct batadv_neigh_node - structure for single hop neighbors |
| 194 | * @list: list node for batadv_orig_node::neigh_list |
| 195 | * @addr: mac address of neigh node |
| 196 | * @tq_recv: ring buffer of received TQ values from this neigh node |
| 197 | * @tq_index: ring buffer index |
| 198 | * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv) |
| 199 | * @last_ttl: last received ttl from this neigh node |
| 200 | * @bonding_list: list node for batadv_orig_node::bond_list |
| 201 | * @last_seen: when last packet via this neighbor was received |
| 202 | * @real_bits: bitfield containing the number of OGMs received from this neigh |
| 203 | * node (relative to orig_node->last_real_seqno) |
| 204 | * @real_packet_count: counted result of real_bits |
| 205 | * @orig_node: pointer to corresponding orig_node |
| 206 | * @if_incoming: pointer to incoming hard interface |
| 207 | * @lq_update_lock: lock protecting tq_recv & tq_index |
| 208 | * @refcount: number of contexts the object is used |
| 209 | * @rcu: struct used for freeing in an RCU-safe manner |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 210 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 211 | struct batadv_neigh_node { |
Marek Lindner | 9591a79 | 2010-12-12 21:57:11 +0000 | [diff] [blame] | 212 | struct hlist_node list; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 213 | uint8_t addr[ETH_ALEN]; |
Sven Eckelmann | 42d0b04 | 2012-06-03 22:19:17 +0200 | [diff] [blame] | 214 | uint8_t tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 215 | uint8_t tq_index; |
| 216 | uint8_t tq_avg; |
| 217 | uint8_t last_ttl; |
Simon Wunderlich | a4c135c | 2011-01-19 20:01:43 +0000 | [diff] [blame] | 218 | struct list_head bonding_list; |
Marek Lindner | d7b2a97 | 2012-03-01 15:35:19 +0800 | [diff] [blame] | 219 | unsigned long last_seen; |
Sven Eckelmann | 42d0b04 | 2012-06-03 22:19:17 +0200 | [diff] [blame] | 220 | DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 221 | uint8_t real_packet_count; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 222 | struct batadv_orig_node *orig_node; |
| 223 | struct batadv_hard_iface *if_incoming; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 224 | spinlock_t lq_update_lock; /* protects tq_recv & tq_index */ |
| 225 | atomic_t refcount; |
| 226 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 227 | }; |
| 228 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 229 | /** |
| 230 | * struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression |
| 231 | * @orig[ETH_ALEN]: mac address of orig node orginating the broadcast |
| 232 | * @crc: crc32 checksum of broadcast payload |
| 233 | * @entrytime: time when the broadcast packet was received |
| 234 | */ |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 235 | #ifdef CONFIG_BATMAN_ADV_BLA |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 236 | struct batadv_bcast_duplist_entry { |
Simon Wunderlich | fe2da6f | 2012-01-22 20:00:24 +0100 | [diff] [blame] | 237 | uint8_t orig[ETH_ALEN]; |
Simon Wunderlich | 004e86f | 2012-10-18 13:47:42 +0200 | [diff] [blame] | 238 | __be32 crc; |
Simon Wunderlich | fe2da6f | 2012-01-22 20:00:24 +0100 | [diff] [blame] | 239 | unsigned long entrytime; |
| 240 | }; |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 241 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 242 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 243 | /** |
| 244 | * enum batadv_counters - indices for traffic counters |
| 245 | * @BATADV_CNT_TX: transmitted payload traffic packet counter |
| 246 | * @BATADV_CNT_TX_BYTES: transmitted payload traffic bytes counter |
| 247 | * @BATADV_CNT_TX_DROPPED: dropped transmission payload traffic packet counter |
| 248 | * @BATADV_CNT_RX: received payload traffic packet counter |
| 249 | * @BATADV_CNT_RX_BYTES: received payload traffic bytes counter |
| 250 | * @BATADV_CNT_FORWARD: forwarded payload traffic packet counter |
| 251 | * @BATADV_CNT_FORWARD_BYTES: forwarded payload traffic bytes counter |
| 252 | * @BATADV_CNT_MGMT_TX: transmitted routing protocol traffic packet counter |
| 253 | * @BATADV_CNT_MGMT_TX_BYTES: transmitted routing protocol traffic bytes counter |
| 254 | * @BATADV_CNT_MGMT_RX: received routing protocol traffic packet counter |
| 255 | * @BATADV_CNT_MGMT_RX_BYTES: received routing protocol traffic bytes counter |
| 256 | * @BATADV_CNT_TT_REQUEST_TX: transmitted tt req traffic packet counter |
| 257 | * @BATADV_CNT_TT_REQUEST_RX: received tt req traffic packet counter |
| 258 | * @BATADV_CNT_TT_RESPONSE_TX: transmitted tt resp traffic packet counter |
| 259 | * @BATADV_CNT_TT_RESPONSE_RX: received tt resp traffic packet counter |
| 260 | * @BATADV_CNT_TT_ROAM_ADV_TX: transmitted tt roam traffic packet counter |
| 261 | * @BATADV_CNT_TT_ROAM_ADV_RX: received tt roam traffic packet counter |
| 262 | * @BATADV_CNT_DAT_GET_TX: transmitted dht GET traffic packet counter |
| 263 | * @BATADV_CNT_DAT_GET_RX: received dht GET traffic packet counter |
| 264 | * @BATADV_CNT_DAT_PUT_TX: transmitted dht PUT traffic packet counter |
| 265 | * @BATADV_CNT_DAT_PUT_RX: received dht PUT traffic packet counter |
| 266 | * @BATADV_CNT_DAT_CACHED_REPLY_TX: transmitted dat cache reply traffic packet |
| 267 | * counter |
| 268 | * @BATADV_CNT_NUM: number of traffic counters |
| 269 | */ |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 270 | enum batadv_counters { |
Marek Lindner | 1c9b055 | 2012-06-23 11:47:53 +0200 | [diff] [blame] | 271 | BATADV_CNT_TX, |
| 272 | BATADV_CNT_TX_BYTES, |
| 273 | BATADV_CNT_TX_DROPPED, |
| 274 | BATADV_CNT_RX, |
| 275 | BATADV_CNT_RX_BYTES, |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 276 | BATADV_CNT_FORWARD, |
| 277 | BATADV_CNT_FORWARD_BYTES, |
| 278 | BATADV_CNT_MGMT_TX, |
| 279 | BATADV_CNT_MGMT_TX_BYTES, |
| 280 | BATADV_CNT_MGMT_RX, |
| 281 | BATADV_CNT_MGMT_RX_BYTES, |
| 282 | BATADV_CNT_TT_REQUEST_TX, |
| 283 | BATADV_CNT_TT_REQUEST_RX, |
| 284 | BATADV_CNT_TT_RESPONSE_TX, |
| 285 | BATADV_CNT_TT_RESPONSE_RX, |
| 286 | BATADV_CNT_TT_ROAM_ADV_TX, |
| 287 | BATADV_CNT_TT_ROAM_ADV_RX, |
Martin Hundebøll | 4046b24 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 288 | #ifdef CONFIG_BATMAN_ADV_DAT |
| 289 | BATADV_CNT_DAT_GET_TX, |
| 290 | BATADV_CNT_DAT_GET_RX, |
| 291 | BATADV_CNT_DAT_PUT_TX, |
| 292 | BATADV_CNT_DAT_PUT_RX, |
| 293 | BATADV_CNT_DAT_CACHED_REPLY_TX, |
| 294 | #endif |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 295 | BATADV_CNT_NUM, |
Martin Hundebøll | f821486 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 296 | }; |
| 297 | |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 298 | /** |
| 299 | * struct batadv_priv_tt - per mesh interface translation table data |
| 300 | * @vn: translation table version number |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 301 | * @ogm_append_cnt: counter of number of OGMs containing the local tt diff |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 302 | * @local_changes: changes registered in an originator interval |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 303 | * @changes_list: tracks tt local changes within an originator interval |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 304 | * @local_hash: local translation table hash table |
| 305 | * @global_hash: global translation table hash table |
| 306 | * @req_list: list of pending & unanswered tt_requests |
| 307 | * @roam_list: list of the last roaming events of each client limiting the |
| 308 | * number of roaming events to avoid route flapping |
| 309 | * @changes_list_lock: lock protecting changes_list |
| 310 | * @req_list_lock: lock protecting req_list |
| 311 | * @roam_list_lock: lock protecting roam_list |
| 312 | * @local_entry_num: number of entries in the local hash table |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 313 | * @local_crc: Checksum of the local table, recomputed before sending a new OGM |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 314 | * @last_changeset: last tt changeset this host has generated |
| 315 | * @last_changeset_len: length of last tt changeset this host has generated |
| 316 | * @last_changeset_lock: lock protecting last_changeset & last_changeset_len |
| 317 | * @work: work queue callback item for translation table purging |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 318 | */ |
| 319 | struct batadv_priv_tt { |
| 320 | atomic_t vn; |
| 321 | atomic_t ogm_append_cnt; |
| 322 | atomic_t local_changes; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 323 | struct list_head changes_list; |
| 324 | struct batadv_hashtable *local_hash; |
| 325 | struct batadv_hashtable *global_hash; |
| 326 | struct list_head req_list; |
| 327 | struct list_head roam_list; |
| 328 | spinlock_t changes_list_lock; /* protects changes */ |
| 329 | spinlock_t req_list_lock; /* protects req_list */ |
| 330 | spinlock_t roam_list_lock; /* protects roam_list */ |
| 331 | atomic_t local_entry_num; |
| 332 | uint16_t local_crc; |
| 333 | unsigned char *last_changeset; |
| 334 | int16_t last_changeset_len; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 335 | /* protects last_changeset & last_changeset_len */ |
| 336 | spinlock_t last_changeset_lock; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 337 | struct delayed_work work; |
| 338 | }; |
| 339 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 340 | /** |
| 341 | * struct batadv_priv_bla - per mesh interface bridge loope avoidance data |
| 342 | * @num_requests; number of bla requests in flight |
| 343 | * @claim_hash: hash table containing mesh nodes this host has claimed |
| 344 | * @backbone_hash: hash table containing all detected backbone gateways |
| 345 | * @bcast_duplist: recently received broadcast packets array (for broadcast |
| 346 | * duplicate suppression) |
| 347 | * @bcast_duplist_curr: index of last broadcast packet added to bcast_duplist |
| 348 | * @bcast_duplist_lock: lock protecting bcast_duplist & bcast_duplist_curr |
| 349 | * @claim_dest: local claim data (e.g. claim group) |
| 350 | * @work: work queue callback item for cleanups & bla announcements |
| 351 | */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 352 | #ifdef CONFIG_BATMAN_ADV_BLA |
| 353 | struct batadv_priv_bla { |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 354 | atomic_t num_requests; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 355 | struct batadv_hashtable *claim_hash; |
| 356 | struct batadv_hashtable *backbone_hash; |
| 357 | struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; |
| 358 | int bcast_duplist_curr; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 359 | /* protects bcast_duplist & bcast_duplist_curr */ |
Linus Lüssing | 7dac7b7 | 2012-10-17 14:53:05 +0200 | [diff] [blame] | 360 | spinlock_t bcast_duplist_lock; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 361 | struct batadv_bla_claim_dst claim_dest; |
| 362 | struct delayed_work work; |
| 363 | }; |
| 364 | #endif |
| 365 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 366 | /** |
| 367 | * struct batadv_debug_log - debug logging data |
| 368 | * @log_buff: buffer holding the logs (ring bufer) |
| 369 | * @log_start: index of next character to read |
| 370 | * @log_end: index of next character to write |
| 371 | * @lock: lock protecting log_buff, log_start & log_end |
| 372 | * @queue_wait: log reader's wait queue |
| 373 | */ |
Marek Lindner | 0abf5d8 | 2012-12-25 17:03:20 +0800 | [diff] [blame] | 374 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
| 375 | struct batadv_priv_debug_log { |
| 376 | char log_buff[BATADV_LOG_BUF_LEN]; |
| 377 | unsigned long log_start; |
| 378 | unsigned long log_end; |
| 379 | spinlock_t lock; /* protects log_buff, log_start and log_end */ |
| 380 | wait_queue_head_t queue_wait; |
| 381 | }; |
| 382 | #endif |
| 383 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 384 | /** |
| 385 | * struct batadv_priv_gw - per mesh interface gateway data |
| 386 | * @list: list of available gateway nodes |
| 387 | * @list_lock: lock protecting gw_list & curr_gw |
| 388 | * @curr_gw: pointer to currently selected gateway node |
| 389 | * @reselect: bool indicating a gateway re-selection is in progress |
| 390 | */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 391 | struct batadv_priv_gw { |
| 392 | struct hlist_head list; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 393 | spinlock_t list_lock; /* protects gw_list & curr_gw */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 394 | struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */ |
| 395 | atomic_t reselect; |
| 396 | }; |
| 397 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 398 | /** |
| 399 | * struct batadv_priv_vis - per mesh interface vis data |
| 400 | * @send_list: list of batadv_vis_info packets to sent |
| 401 | * @hash: hash table containing vis data from other nodes in the network |
| 402 | * @hash_lock: lock protecting the hash table |
| 403 | * @list_lock: lock protecting my_info::recv_list |
| 404 | * @work: work queue callback item for vis packet sending |
| 405 | * @my_info: holds this node's vis data sent on a regular basis |
| 406 | */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 407 | struct batadv_priv_vis { |
| 408 | struct list_head send_list; |
| 409 | struct batadv_hashtable *hash; |
| 410 | spinlock_t hash_lock; /* protects hash */ |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 411 | spinlock_t list_lock; /* protects my_info::recv_list */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 412 | struct delayed_work work; |
| 413 | struct batadv_vis_info *my_info; |
| 414 | }; |
| 415 | |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 416 | /** |
| 417 | * struct batadv_priv_dat - per mesh interface DAT private data |
| 418 | * @addr: node DAT address |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 419 | * @hash: hashtable representing the local ARP cache |
| 420 | * @work: work queue callback item for cache purging |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 421 | */ |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 422 | #ifdef CONFIG_BATMAN_ADV_DAT |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 423 | struct batadv_priv_dat { |
| 424 | batadv_dat_addr_t addr; |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 425 | struct batadv_hashtable *hash; |
| 426 | struct delayed_work work; |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 427 | }; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 428 | #endif |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 429 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 430 | /** |
| 431 | * struct batadv_priv - per mesh interface data |
| 432 | * @mesh_state: current status of the mesh (inactive/active/deactivating) |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 433 | * @soft_iface: net device which holds this struct as private data |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 434 | * @stats: structure holding the data for the ndo_get_stats() call |
| 435 | * @bat_counters: mesh internal traffic statistic counters (see batadv_counters) |
| 436 | * @aggregated_ogms: bool indicating whether OGM aggregation is enabled |
| 437 | * @bonding: bool indicating whether traffic bonding is enabled |
| 438 | * @fragmentation: bool indicating whether traffic fragmentation is enabled |
| 439 | * @ap_isolation: bool indicating whether ap isolation is enabled |
| 440 | * @bridge_loop_avoidance: bool indicating whether bridge loop avoidance is |
| 441 | * enabled |
| 442 | * @distributed_arp_table: bool indicating whether distributed ARP table is |
| 443 | * enabled |
| 444 | * @vis_mode: vis operation: client or server (see batadv_vis_packettype) |
| 445 | * @gw_mode: gateway operation: off, client or server (see batadv_gw_modes) |
| 446 | * @gw_sel_class: gateway selection class (applies if gw_mode client) |
| 447 | * @gw_bandwidth: gateway announced bandwidth (applies if gw_mode server) |
| 448 | * @orig_interval: OGM broadcast interval in milliseconds |
| 449 | * @hop_penalty: penalty which will be applied to an OGM's tq-field on every hop |
| 450 | * @log_level: configured log level (see batadv_dbg_level) |
| 451 | * @bcast_seqno: last sent broadcast packet sequence number |
| 452 | * @bcast_queue_left: number of remaining buffered broadcast packet slots |
| 453 | * @batman_queue_left: number of remaining OGM packet slots |
| 454 | * @num_ifaces: number of interfaces assigned to this mesh interface |
| 455 | * @mesh_obj: kobject for sysfs mesh subdirectory |
| 456 | * @debug_dir: dentry for debugfs batman-adv subdirectory |
| 457 | * @forw_bat_list: list of aggregated OGMs that will be forwarded |
| 458 | * @forw_bcast_list: list of broadcast packets that will be rebroadcasted |
| 459 | * @orig_hash: hash table containing mesh participants (orig nodes) |
| 460 | * @forw_bat_list_lock: lock protecting forw_bat_list |
| 461 | * @forw_bcast_list_lock: lock protecting forw_bcast_list |
| 462 | * @orig_work: work queue callback item for orig node purging |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 463 | * @cleanup_work: work queue callback item for soft interface deinit |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 464 | * @primary_if: one of the hard interfaces assigned to this mesh interface |
| 465 | * becomes the primary interface |
| 466 | * @bat_algo_ops: routing algorithm used by this mesh interface |
| 467 | * @bla: bridge loope avoidance data |
| 468 | * @debug_log: holding debug logging relevant data |
| 469 | * @gw: gateway data |
| 470 | * @tt: translation table data |
| 471 | * @vis: vis data |
| 472 | * @dat: distributed arp table data |
| 473 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 474 | struct batadv_priv { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 475 | atomic_t mesh_state; |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 476 | struct net_device *soft_iface; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 477 | struct net_device_stats stats; |
Martin Hundebøll | f821486 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 478 | uint64_t __percpu *bat_counters; /* Per cpu counters */ |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 479 | atomic_t aggregated_ogms; |
| 480 | atomic_t bonding; |
| 481 | atomic_t fragmentation; |
| 482 | atomic_t ap_isolation; |
Antonio Quartulli | fa70655 | 2012-11-26 01:27:29 +0100 | [diff] [blame] | 483 | #ifdef CONFIG_BATMAN_ADV_BLA |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 484 | atomic_t bridge_loop_avoidance; |
Antonio Quartulli | fa70655 | 2012-11-26 01:27:29 +0100 | [diff] [blame] | 485 | #endif |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 486 | #ifdef CONFIG_BATMAN_ADV_DAT |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 487 | atomic_t distributed_arp_table; |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 488 | #endif |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 489 | atomic_t vis_mode; |
| 490 | atomic_t gw_mode; |
| 491 | atomic_t gw_sel_class; |
| 492 | atomic_t gw_bandwidth; |
| 493 | atomic_t orig_interval; |
| 494 | atomic_t hop_penalty; |
Marek Lindner | 0c430d0 | 2012-12-16 13:53:15 +0800 | [diff] [blame] | 495 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 496 | atomic_t log_level; |
Marek Lindner | 0c430d0 | 2012-12-16 13:53:15 +0800 | [diff] [blame] | 497 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 498 | atomic_t bcast_seqno; |
| 499 | atomic_t bcast_queue_left; |
| 500 | atomic_t batman_queue_left; |
| 501 | char num_ifaces; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 502 | struct kobject *mesh_obj; |
| 503 | struct dentry *debug_dir; |
| 504 | struct hlist_head forw_bat_list; |
| 505 | struct hlist_head forw_bcast_list; |
Sven Eckelmann | 5bf74e9 | 2012-06-05 22:31:28 +0200 | [diff] [blame] | 506 | struct batadv_hashtable *orig_hash; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 507 | spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ |
Antonio Quartulli | a7528f8 | 2012-09-02 19:00:38 +0200 | [diff] [blame] | 508 | spinlock_t forw_bcast_list_lock; /* protects forw_bcast_list */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 509 | struct delayed_work orig_work; |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 510 | struct work_struct cleanup_work; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 511 | struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 512 | struct batadv_algo_ops *bat_algo_ops; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 513 | #ifdef CONFIG_BATMAN_ADV_BLA |
| 514 | struct batadv_priv_bla bla; |
| 515 | #endif |
Marek Lindner | 0abf5d8 | 2012-12-25 17:03:20 +0800 | [diff] [blame] | 516 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
| 517 | struct batadv_priv_debug_log *debug_log; |
| 518 | #endif |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 519 | struct batadv_priv_gw gw; |
| 520 | struct batadv_priv_tt tt; |
| 521 | struct batadv_priv_vis vis; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 522 | #ifdef CONFIG_BATMAN_ADV_DAT |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 523 | struct batadv_priv_dat dat; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 524 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 525 | }; |
| 526 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 527 | /** |
| 528 | * struct batadv_socket_client - layer2 icmp socket client data |
| 529 | * @queue_list: packet queue for packets destined for this socket client |
| 530 | * @queue_len: number of packets in the packet queue (queue_list) |
| 531 | * @index: socket client's index in the batadv_socket_client_hash |
| 532 | * @lock: lock protecting queue_list, queue_len & index |
| 533 | * @queue_wait: socket client's wait queue |
| 534 | * @bat_priv: pointer to soft_iface this client belongs to |
| 535 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 536 | struct batadv_socket_client { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 537 | struct list_head queue_list; |
| 538 | unsigned int queue_len; |
| 539 | unsigned char index; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 540 | spinlock_t lock; /* protects queue_list, queue_len & index */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 541 | wait_queue_head_t queue_wait; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 542 | struct batadv_priv *bat_priv; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 543 | }; |
| 544 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 545 | /** |
| 546 | * struct batadv_socket_packet - layer2 icmp packet for socket client |
| 547 | * @list: list node for batadv_socket_client::queue_list |
| 548 | * @icmp_len: size of the layer2 icmp packet |
| 549 | * @icmp_packet: layer2 icmp packet |
| 550 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 551 | struct batadv_socket_packet { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 552 | struct list_head list; |
| 553 | size_t icmp_len; |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 554 | struct batadv_icmp_packet_rr icmp_packet; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 555 | }; |
| 556 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 557 | /** |
| 558 | * struct batadv_bla_backbone_gw - batman-adv gateway bridged into the LAN |
| 559 | * @orig: originator address of backbone node (mac address of primary iface) |
| 560 | * @vid: vlan id this gateway was detected on |
| 561 | * @hash_entry: hlist node for batadv_priv_bla::backbone_hash |
| 562 | * @bat_priv: pointer to soft_iface this backbone gateway belongs to |
| 563 | * @lasttime: last time we heard of this backbone gw |
| 564 | * @wait_periods: grace time for bridge forward delays and bla group forming at |
| 565 | * bootup phase - no bcast traffic is formwared until it has elapsed |
| 566 | * @request_sent: if this bool is set to true we are out of sync with this |
| 567 | * backbone gateway - no bcast traffic is formwared until the situation was |
| 568 | * resolved |
| 569 | * @crc: crc16 checksum over all claims |
| 570 | * @refcount: number of contexts the object is used |
| 571 | * @rcu: struct used for freeing in an RCU-safe manner |
| 572 | */ |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 573 | #ifdef CONFIG_BATMAN_ADV_BLA |
Marek Lindner | bae9877 | 2012-12-25 17:03:24 +0800 | [diff] [blame] | 574 | struct batadv_bla_backbone_gw { |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 575 | uint8_t orig[ETH_ALEN]; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 576 | short vid; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 577 | struct hlist_node hash_entry; |
| 578 | struct batadv_priv *bat_priv; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 579 | unsigned long lasttime; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 580 | atomic_t wait_periods; |
| 581 | atomic_t request_sent; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 582 | uint16_t crc; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 583 | atomic_t refcount; |
| 584 | struct rcu_head rcu; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 585 | }; |
| 586 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 587 | /** |
| 588 | * struct batadv_bla_claim - claimed non-mesh client structure |
| 589 | * @addr: mac address of claimed non-mesh client |
| 590 | * @vid: vlan id this client was detected on |
| 591 | * @batadv_bla_backbone_gw: pointer to backbone gw claiming this client |
| 592 | * @lasttime: last time we heard of claim (locals only) |
| 593 | * @hash_entry: hlist node for batadv_priv_bla::claim_hash |
| 594 | * @refcount: number of contexts the object is used |
| 595 | * @rcu: struct used for freeing in an RCU-safe manner |
| 596 | */ |
Marek Lindner | 712bbfe4 | 2012-12-25 17:03:25 +0800 | [diff] [blame] | 597 | struct batadv_bla_claim { |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 598 | uint8_t addr[ETH_ALEN]; |
| 599 | short vid; |
Marek Lindner | bae9877 | 2012-12-25 17:03:24 +0800 | [diff] [blame] | 600 | struct batadv_bla_backbone_gw *backbone_gw; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 601 | unsigned long lasttime; |
| 602 | struct hlist_node hash_entry; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 603 | struct rcu_head rcu; |
| 604 | atomic_t refcount; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 605 | }; |
| 606 | #endif |
| 607 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 608 | /** |
| 609 | * struct batadv_tt_common_entry - tt local & tt global common data |
| 610 | * @addr: mac address of non-mesh client |
| 611 | * @hash_entry: hlist node for batadv_priv_tt::local_hash or for |
| 612 | * batadv_priv_tt::global_hash |
| 613 | * @flags: various state handling flags (see batadv_tt_client_flags) |
| 614 | * @added_at: timestamp used for purging stale tt common entries |
| 615 | * @refcount: number of contexts the object is used |
| 616 | * @rcu: struct used for freeing in an RCU-safe manner |
| 617 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 618 | struct batadv_tt_common_entry { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 619 | uint8_t addr[ETH_ALEN]; |
Antonio Quartulli | 93840ac | 2011-10-22 00:55:39 +0200 | [diff] [blame] | 620 | struct hlist_node hash_entry; |
Antonio Quartulli | 5fbc159 | 2011-06-17 16:11:27 +0200 | [diff] [blame] | 621 | uint16_t flags; |
Antonio Quartulli | 30cfd02 | 2012-07-05 23:38:29 +0200 | [diff] [blame] | 622 | unsigned long added_at; |
Antonio Quartulli | 7683fdc | 2011-04-27 14:28:07 +0200 | [diff] [blame] | 623 | atomic_t refcount; |
| 624 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 625 | }; |
| 626 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 627 | /** |
| 628 | * struct batadv_tt_local_entry - translation table local entry data |
| 629 | * @common: general translation table data |
| 630 | * @last_seen: timestamp used for purging stale tt local entries |
| 631 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 632 | struct batadv_tt_local_entry { |
| 633 | struct batadv_tt_common_entry common; |
Antonio Quartulli | 48100ba | 2011-10-30 12:17:33 +0100 | [diff] [blame] | 634 | unsigned long last_seen; |
| 635 | }; |
| 636 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 637 | /** |
| 638 | * struct batadv_tt_global_entry - translation table global entry data |
| 639 | * @common: general translation table data |
| 640 | * @orig_list: list of orig nodes announcing this non-mesh client |
| 641 | * @list_lock: lock protecting orig_list |
| 642 | * @roam_at: time at which TT_GLOBAL_ROAM was set |
| 643 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 644 | struct batadv_tt_global_entry { |
| 645 | struct batadv_tt_common_entry common; |
Simon Wunderlich | db08e6e | 2011-10-22 20:12:51 +0200 | [diff] [blame] | 646 | struct hlist_head orig_list; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 647 | spinlock_t list_lock; /* protects orig_list */ |
| 648 | unsigned long roam_at; |
Simon Wunderlich | db08e6e | 2011-10-22 20:12:51 +0200 | [diff] [blame] | 649 | }; |
| 650 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 651 | /** |
| 652 | * struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client |
| 653 | * @orig_node: pointer to orig node announcing this non-mesh client |
| 654 | * @ttvn: translation table version number which added the non-mesh client |
| 655 | * @list: list node for batadv_tt_global_entry::orig_list |
| 656 | * @refcount: number of contexts the object is used |
| 657 | * @rcu: struct used for freeing in an RCU-safe manner |
| 658 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 659 | struct batadv_tt_orig_list_entry { |
| 660 | struct batadv_orig_node *orig_node; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 661 | uint8_t ttvn; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 662 | struct hlist_node list; |
Antonio Quartulli | d657e62 | 2012-07-01 14:09:12 +0200 | [diff] [blame] | 663 | atomic_t refcount; |
Simon Wunderlich | db08e6e | 2011-10-22 20:12:51 +0200 | [diff] [blame] | 664 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 665 | }; |
| 666 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 667 | /** |
| 668 | * struct batadv_tt_change_node - structure for tt changes occured |
| 669 | * @list: list node for batadv_priv_tt::changes_list |
| 670 | * @change: holds the actual translation table diff data |
| 671 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 672 | struct batadv_tt_change_node { |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 673 | struct list_head list; |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 674 | struct batadv_tt_change change; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 675 | }; |
| 676 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 677 | /** |
| 678 | * struct batadv_tt_req_node - data to keep track of the tt requests in flight |
| 679 | * @addr: mac address address of the originator this request was sent to |
| 680 | * @issued_at: timestamp used for purging stale tt requests |
| 681 | * @list: list node for batadv_priv_tt::req_list |
| 682 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 683 | struct batadv_tt_req_node { |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 684 | uint8_t addr[ETH_ALEN]; |
| 685 | unsigned long issued_at; |
| 686 | struct list_head list; |
| 687 | }; |
| 688 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 689 | /** |
| 690 | * struct batadv_tt_roam_node - roaming client data |
| 691 | * @addr: mac address of the client in the roaming phase |
| 692 | * @counter: number of allowed roaming events per client within a single |
| 693 | * OGM interval (changes are committed with each OGM) |
| 694 | * @first_time: timestamp used for purging stale roaming node entries |
| 695 | * @list: list node for batadv_priv_tt::roam_list |
| 696 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 697 | struct batadv_tt_roam_node { |
Antonio Quartulli | cc47f66 | 2011-04-27 14:27:57 +0200 | [diff] [blame] | 698 | uint8_t addr[ETH_ALEN]; |
| 699 | atomic_t counter; |
| 700 | unsigned long first_time; |
| 701 | struct list_head list; |
| 702 | }; |
| 703 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 704 | /** |
| 705 | * struct batadv_forw_packet - structure for bcast packets to be sent/forwarded |
| 706 | * @list: list node for batadv_socket_client::queue_list |
| 707 | * @send_time: execution time for delayed_work (packet sending) |
| 708 | * @own: bool for locally generated packets (local OGMs are re-scheduled after |
| 709 | * sending) |
| 710 | * @skb: bcast packet's skb buffer |
| 711 | * @packet_len: size of aggregated OGM packet inside the skb buffer |
| 712 | * @direct_link_flags: direct link flags for aggregated OGM packets |
| 713 | * @num_packets: counter for bcast packet retransmission |
| 714 | * @delayed_work: work queue callback item for packet sending |
| 715 | * @if_incoming: pointer incoming hard-iface or primary iface if locally |
| 716 | * generated packet |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 717 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 718 | struct batadv_forw_packet { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 719 | struct hlist_node list; |
| 720 | unsigned long send_time; |
| 721 | uint8_t own; |
| 722 | struct sk_buff *skb; |
| 723 | uint16_t packet_len; |
| 724 | uint32_t direct_link_flags; |
| 725 | uint8_t num_packets; |
| 726 | struct delayed_work delayed_work; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 727 | struct batadv_hard_iface *if_incoming; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 728 | }; |
| 729 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 730 | /** |
| 731 | * struct batadv_frag_packet_list_entry - storage for fragment packet |
| 732 | * @list: list node for orig_node::frag_list |
| 733 | * @seqno: sequence number of the fragment |
| 734 | * @skb: fragment's skb buffer |
| 735 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 736 | struct batadv_frag_packet_list_entry { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 737 | struct list_head list; |
| 738 | uint16_t seqno; |
| 739 | struct sk_buff *skb; |
| 740 | }; |
| 741 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 742 | /** |
| 743 | * struct batadv_vis_info - local data for vis information |
| 744 | * @first_seen: timestamp used for purging stale vis info entries |
| 745 | * @recv_list: List of server-neighbors we have received this packet from. This |
| 746 | * packet should not be re-forward to them again. List elements are struct |
| 747 | * batadv_vis_recvlist_node |
| 748 | * @send_list: list of packets to be forwarded |
| 749 | * @refcount: number of contexts the object is used |
| 750 | * @hash_entry: hlist node for batadv_priv_vis::hash |
| 751 | * @bat_priv: pointer to soft_iface this orig node belongs to |
| 752 | * @skb_packet: contains the vis packet |
| 753 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 754 | struct batadv_vis_info { |
Antonio Quartulli | 4021967 | 2011-05-18 16:47:23 +0200 | [diff] [blame] | 755 | unsigned long first_seen; |
Antonio Quartulli | 4021967 | 2011-05-18 16:47:23 +0200 | [diff] [blame] | 756 | struct list_head recv_list; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 757 | struct list_head send_list; |
| 758 | struct kref refcount; |
Marek Lindner | 7aadf88 | 2011-02-18 12:28:09 +0000 | [diff] [blame] | 759 | struct hlist_node hash_entry; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 760 | struct batadv_priv *bat_priv; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 761 | struct sk_buff *skb_packet; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 762 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 763 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 764 | /** |
| 765 | * struct batadv_vis_info_entry - contains link information for vis |
| 766 | * @src: source MAC of the link, all zero for local TT entry |
| 767 | * @dst: destination MAC of the link, client mac address for local TT entry |
| 768 | * @quality: transmission quality of the link, or 0 for local TT entry |
| 769 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 770 | struct batadv_vis_info_entry { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 771 | uint8_t src[ETH_ALEN]; |
| 772 | uint8_t dest[ETH_ALEN]; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 773 | uint8_t quality; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 774 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 775 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 776 | /** |
| 777 | * struct batadv_vis_recvlist_node - list entry for batadv_vis_info::recv_list |
| 778 | * @list: list node for batadv_vis_info::recv_list |
| 779 | * @mac: MAC address of the originator from where the vis_info was received |
| 780 | */ |
Marek Lindner | 28500f0 | 2012-12-25 17:03:23 +0800 | [diff] [blame] | 781 | struct batadv_vis_recvlist_node { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 782 | struct list_head list; |
| 783 | uint8_t mac[ETH_ALEN]; |
| 784 | }; |
| 785 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 786 | /** |
| 787 | * struct batadv_vis_if_list_entry - auxiliary data for vis data generation |
| 788 | * @addr: MAC address of the interface |
| 789 | * @primary: true if this interface is the primary interface |
| 790 | * @list: list node the interface list |
| 791 | * |
| 792 | * While scanning for vis-entries of a particular vis-originator |
Marek Lindner | 015b4ae | 2012-12-25 17:03:22 +0800 | [diff] [blame] | 793 | * this list collects its interfaces to create a subgraph/cluster |
| 794 | * out of them later |
| 795 | */ |
| 796 | struct batadv_vis_if_list_entry { |
| 797 | uint8_t addr[ETH_ALEN]; |
| 798 | bool primary; |
| 799 | struct hlist_node list; |
| 800 | }; |
| 801 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 802 | /** |
| 803 | * struct batadv_algo_ops - mesh algorithm callbacks |
| 804 | * @list: list node for the batadv_algo_list |
| 805 | * @name: name of the algorithm |
| 806 | * @bat_iface_enable: init routing info when hard-interface is enabled |
| 807 | * @bat_iface_disable: de-init routing info when hard-interface is disabled |
| 808 | * @bat_iface_update_mac: (re-)init mac addresses of the protocol information |
| 809 | * belonging to this hard-interface |
| 810 | * @bat_primary_iface_set: called when primary interface is selected / changed |
| 811 | * @bat_ogm_schedule: prepare a new outgoing OGM for the send queue |
| 812 | * @bat_ogm_emit: send scheduled OGM |
| 813 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 814 | struct batadv_algo_ops { |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 815 | struct hlist_node list; |
| 816 | char *name; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 817 | int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 818 | void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 819 | void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 820 | void (*bat_primary_iface_set)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 821 | void (*bat_ogm_schedule)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 822 | void (*bat_ogm_emit)(struct batadv_forw_packet *forw_packet); |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 823 | }; |
| 824 | |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 825 | /** |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 826 | * struct batadv_dat_entry - it is a single entry of batman-adv ARP backend. It |
| 827 | * is used to stored ARP entries needed for the global DAT cache |
| 828 | * @ip: the IPv4 corresponding to this DAT/ARP entry |
| 829 | * @mac_addr: the MAC address associated to the stored IPv4 |
| 830 | * @last_update: time in jiffies when this entry was refreshed last time |
| 831 | * @hash_entry: hlist node for batadv_priv_dat::hash |
| 832 | * @refcount: number of contexts the object is used |
| 833 | * @rcu: struct used for freeing in an RCU-safe manner |
| 834 | */ |
| 835 | struct batadv_dat_entry { |
| 836 | __be32 ip; |
| 837 | uint8_t mac_addr[ETH_ALEN]; |
| 838 | unsigned long last_update; |
| 839 | struct hlist_node hash_entry; |
| 840 | atomic_t refcount; |
| 841 | struct rcu_head rcu; |
| 842 | }; |
| 843 | |
| 844 | /** |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 845 | * struct batadv_dat_candidate - candidate destination for DAT operations |
| 846 | * @type: the type of the selected candidate. It can one of the following: |
| 847 | * - BATADV_DAT_CANDIDATE_NOT_FOUND |
| 848 | * - BATADV_DAT_CANDIDATE_ORIG |
| 849 | * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to the |
| 850 | * corresponding originator node structure |
| 851 | */ |
| 852 | struct batadv_dat_candidate { |
| 853 | int type; |
| 854 | struct batadv_orig_node *orig_node; |
| 855 | }; |
| 856 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 857 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |