Sven Eckelmann | 9f6446c | 2015-04-23 13:16:35 +0200 | [diff] [blame] | 1 | /* Copyright (C) 2007-2015 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 |
Antonio Quartulli | ebf38fb | 2013-11-03 20:40:48 +0100 | [diff] [blame] | 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 16 | */ |
| 17 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 18 | #ifndef _NET_BATMAN_ADV_TYPES_H_ |
| 19 | #define _NET_BATMAN_ADV_TYPES_H_ |
| 20 | |
| 21 | #include "packet.h" |
| 22 | #include "bitarray.h" |
Sven Eckelmann | c11fdfa | 2012-06-03 22:19:14 +0200 | [diff] [blame] | 23 | #include <linux/kernel.h> |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 24 | |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 25 | #ifdef CONFIG_BATMAN_ADV_DAT |
| 26 | |
Antonio Quartulli | 151dcb3 | 2014-02-22 17:02:38 +0100 | [diff] [blame] | 27 | /** |
| 28 | * batadv_dat_addr_t - it is the type used for all DHT addresses. If it is |
| 29 | * changed, BATADV_DAT_ADDR_MAX is changed as well. |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 30 | * |
| 31 | * *Please be careful: batadv_dat_addr_t must be UNSIGNED* |
| 32 | */ |
| 33 | #define batadv_dat_addr_t uint16_t |
| 34 | |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 35 | #endif /* CONFIG_BATMAN_ADV_DAT */ |
| 36 | |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 37 | /** |
Antonio Quartulli | 6c413b1 | 2013-11-05 19:31:08 +0100 | [diff] [blame] | 38 | * enum batadv_dhcp_recipient - dhcp destination |
| 39 | * @BATADV_DHCP_NO: packet is not a dhcp message |
| 40 | * @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server |
| 41 | * @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client |
| 42 | */ |
| 43 | enum batadv_dhcp_recipient { |
| 44 | BATADV_DHCP_NO = 0, |
| 45 | BATADV_DHCP_TO_SERVER, |
| 46 | BATADV_DHCP_TO_CLIENT, |
| 47 | }; |
| 48 | |
| 49 | /** |
Antonio Quartulli | 3c4f7ab | 2013-10-13 02:50:19 +0200 | [diff] [blame] | 50 | * BATADV_TT_REMOTE_MASK - bitmask selecting the flags that are sent over the |
| 51 | * wire only |
| 52 | */ |
| 53 | #define BATADV_TT_REMOTE_MASK 0x00FF |
| 54 | |
| 55 | /** |
Antonio Quartulli | 0eb01568 | 2013-10-13 02:50:20 +0200 | [diff] [blame] | 56 | * BATADV_TT_SYNC_MASK - bitmask of the flags that need to be kept in sync |
| 57 | * among the nodes. These flags are used to compute the global/local CRC |
| 58 | */ |
| 59 | #define BATADV_TT_SYNC_MASK 0x00F0 |
| 60 | |
| 61 | /** |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 62 | * struct batadv_hard_iface_bat_iv - per hard interface B.A.T.M.A.N. IV data |
| 63 | * @ogm_buff: buffer holding the OGM packet |
| 64 | * @ogm_buff_len: length of the OGM packet buffer |
| 65 | * @ogm_seqno: OGM sequence number - used to identify each OGM |
| 66 | */ |
| 67 | struct batadv_hard_iface_bat_iv { |
| 68 | unsigned char *ogm_buff; |
| 69 | int ogm_buff_len; |
| 70 | atomic_t ogm_seqno; |
| 71 | }; |
| 72 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 73 | /** |
| 74 | * struct batadv_hard_iface - network device known to batman-adv |
| 75 | * @list: list node for batadv_hardif_list |
| 76 | * @if_num: identificator of the interface |
| 77 | * @if_status: status of the interface for batman-adv |
| 78 | * @net_dev: pointer to the net_device |
Matthias Schiffer | caf65bf | 2013-03-09 23:14:23 +0100 | [diff] [blame] | 79 | * @num_bcasts: number of payload re-broadcasts on this interface (ARQ) |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 80 | * @hardif_obj: kobject of the per interface sysfs "mesh" directory |
| 81 | * @refcount: number of contexts the object is used |
| 82 | * @batman_adv_ptype: packet type describing packets that should be processed by |
| 83 | * batman-adv for this interface |
| 84 | * @soft_iface: the batman-adv interface which uses this network interface |
| 85 | * @rcu: struct used for freeing in an RCU-safe manner |
| 86 | * @bat_iv: BATMAN IV specific per hard interface data |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 87 | * @cleanup_work: work queue callback item for hard interface deinit |
Simon Wunderlich | 5bc7c1e | 2013-11-21 14:16:12 +0100 | [diff] [blame] | 88 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 89 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 90 | struct batadv_hard_iface { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 91 | struct list_head list; |
| 92 | int16_t if_num; |
| 93 | char if_status; |
| 94 | struct net_device *net_dev; |
Matthias Schiffer | caf65bf | 2013-03-09 23:14:23 +0100 | [diff] [blame] | 95 | uint8_t num_bcasts; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 96 | struct kobject *hardif_obj; |
Marek Lindner | ed75ccb | 2011-02-10 14:33:51 +0000 | [diff] [blame] | 97 | atomic_t refcount; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 98 | struct packet_type batman_adv_ptype; |
| 99 | struct net_device *soft_iface; |
| 100 | struct rcu_head rcu; |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 101 | struct batadv_hard_iface_bat_iv bat_iv; |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 102 | struct work_struct cleanup_work; |
Simon Wunderlich | 5bc7c1e | 2013-11-21 14:16:12 +0100 | [diff] [blame] | 103 | struct dentry *debug_dir; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 104 | }; |
| 105 | |
Ben Hutchings | 2c53040 | 2012-07-10 10:55:09 +0000 | [diff] [blame] | 106 | /** |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 107 | * struct batadv_orig_ifinfo - originator info per outgoing interface |
| 108 | * @list: list node for orig_node::ifinfo_list |
| 109 | * @if_outgoing: pointer to outgoing hard interface |
| 110 | * @router: router that should be used to reach this originator |
| 111 | * @last_real_seqno: last and best known sequence number |
| 112 | * @last_ttl: ttl of last received packet |
| 113 | * @batman_seqno_reset: time when the batman seqno window was reset |
| 114 | * @refcount: number of contexts the object is used |
| 115 | * @rcu: struct used for freeing in an RCU-safe manner |
| 116 | */ |
| 117 | struct batadv_orig_ifinfo { |
| 118 | struct hlist_node list; |
| 119 | struct batadv_hard_iface *if_outgoing; |
| 120 | struct batadv_neigh_node __rcu *router; /* rcu protected pointer */ |
| 121 | uint32_t last_real_seqno; |
| 122 | uint8_t last_ttl; |
| 123 | unsigned long batman_seqno_reset; |
| 124 | atomic_t refcount; |
| 125 | struct rcu_head rcu; |
| 126 | }; |
| 127 | |
| 128 | /** |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 129 | * struct batadv_frag_table_entry - head in the fragment buffer table |
| 130 | * @head: head of list with fragments |
| 131 | * @lock: lock to protect the list of fragments |
| 132 | * @timestamp: time (jiffie) of last received fragment |
| 133 | * @seqno: sequence number of the fragments in the list |
| 134 | * @size: accumulated size of packets in list |
Sven Eckelmann | 53e7714 | 2014-12-01 10:37:27 +0100 | [diff] [blame] | 135 | * @total_size: expected size of the assembled packet |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 136 | */ |
| 137 | struct batadv_frag_table_entry { |
| 138 | struct hlist_head head; |
| 139 | spinlock_t lock; /* protects head */ |
| 140 | unsigned long timestamp; |
| 141 | uint16_t seqno; |
| 142 | uint16_t size; |
Sven Eckelmann | 53e7714 | 2014-12-01 10:37:27 +0100 | [diff] [blame] | 143 | uint16_t total_size; |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 144 | }; |
| 145 | |
| 146 | /** |
| 147 | * struct batadv_frag_list_entry - entry in a list of fragments |
| 148 | * @list: list node information |
| 149 | * @skb: fragment |
| 150 | * @no: fragment number in the set |
| 151 | */ |
| 152 | struct batadv_frag_list_entry { |
| 153 | struct hlist_node list; |
| 154 | struct sk_buff *skb; |
| 155 | uint8_t no; |
| 156 | }; |
| 157 | |
| 158 | /** |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 159 | * struct batadv_vlan_tt - VLAN specific TT attributes |
| 160 | * @crc: CRC32 checksum of the entries belonging to this vlan |
| 161 | * @num_entries: number of TT entries for this VLAN |
| 162 | */ |
| 163 | struct batadv_vlan_tt { |
| 164 | uint32_t crc; |
| 165 | atomic_t num_entries; |
| 166 | }; |
| 167 | |
| 168 | /** |
Simon Wunderlich | 1a321b0 | 2014-01-24 22:16:25 +0100 | [diff] [blame] | 169 | * struct batadv_orig_node_vlan - VLAN specific data per orig_node |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 170 | * @vid: the VLAN identifier |
| 171 | * @tt: VLAN specific TT attributes |
| 172 | * @list: list node for orig_node::vlan_list |
| 173 | * @refcount: number of context where this object is currently in use |
| 174 | * @rcu: struct used for freeing in a RCU-safe manner |
| 175 | */ |
| 176 | struct batadv_orig_node_vlan { |
| 177 | unsigned short vid; |
| 178 | struct batadv_vlan_tt tt; |
| 179 | struct list_head list; |
| 180 | atomic_t refcount; |
| 181 | struct rcu_head rcu; |
| 182 | }; |
| 183 | |
| 184 | /** |
Antonio Quartulli | bbad0a5 | 2013-09-02 12:15:02 +0200 | [diff] [blame] | 185 | * struct batadv_orig_bat_iv - B.A.T.M.A.N. IV private orig_node members |
Markus Pargmann | 2110262 | 2014-12-26 12:41:37 +0100 | [diff] [blame^] | 186 | * @bcast_own: set of bitfields (one per hard interface) where each one counts |
| 187 | * the number of our OGMs this orig_node rebroadcasted "back" to us (relative |
| 188 | * to last_real_seqno). Every bitfield is BATADV_TQ_LOCAL_WINDOW_SIZE bits long. |
| 189 | * @bcast_own_sum: sum of bcast_own |
Antonio Quartulli | bbad0a5 | 2013-09-02 12:15:02 +0200 | [diff] [blame] | 190 | * @ogm_cnt_lock: lock protecting bcast_own, bcast_own_sum, |
| 191 | * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count |
| 192 | */ |
| 193 | struct batadv_orig_bat_iv { |
| 194 | unsigned long *bcast_own; |
| 195 | uint8_t *bcast_own_sum; |
| 196 | /* ogm_cnt_lock protects: bcast_own, bcast_own_sum, |
| 197 | * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count |
| 198 | */ |
| 199 | spinlock_t ogm_cnt_lock; |
| 200 | }; |
| 201 | |
| 202 | /** |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 203 | * struct batadv_orig_node - structure for orig_list maintaining nodes of mesh |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 204 | * @orig: originator ethernet address |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 205 | * @ifinfo_list: list for routers per outgoing interface |
Simon Wunderlich | f3b3d90 | 2013-11-13 19:14:50 +0100 | [diff] [blame] | 206 | * @last_bonding_candidate: pointer to last ifinfo of last used router |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 207 | * @batadv_dat_addr_t: address of the orig node in the distributed hash |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 208 | * @last_seen: time when last packet from this node was received |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 209 | * @bcast_seqno_reset: time when the broadcast seqno window was reset |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 210 | * @mcast_flags: multicast flags announced by the orig node |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 211 | * @mcast_want_all_unsnoop_node: a list node for the |
| 212 | * mcast.want_all_unsnoopables list |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 213 | * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4 list |
| 214 | * @mcast_want_all_ipv6_node: a list node for the mcast.want_all_ipv6 list |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 215 | * @capabilities: announced capabilities of this originator |
Linus Lüssing | e17931d | 2014-02-15 17:47:50 +0100 | [diff] [blame] | 216 | * @capa_initialized: bitfield to remember whether a capability was initialized |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 217 | * @last_ttvn: last seen translation table version number |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 218 | * @tt_buff: last tt changeset this node received from the orig node |
| 219 | * @tt_buff_len: length of the last tt changeset this node received from the |
| 220 | * orig node |
| 221 | * @tt_buff_lock: lock that protects tt_buff and tt_buff_len |
Antonio Quartulli | a70a9aa | 2013-07-30 22:16:24 +0200 | [diff] [blame] | 222 | * @tt_lock: prevents from updating the table while reading it. Table update is |
| 223 | * made up by two operations (data structure update and metdata -CRC/TTVN- |
| 224 | * recalculation) and they have to be executed atomically in order to avoid |
| 225 | * another thread to read the table/metadata between those. |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 226 | * @bcast_bits: bitfield containing the info which payload broadcast originated |
| 227 | * from this orig node this host already has seen (relative to |
| 228 | * last_bcast_seqno) |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 229 | * @last_bcast_seqno: last broadcast sequence number received by this host |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 230 | * @neigh_list: list of potential next hop neighbor towards this orig node |
Simon Wunderlich | f6c8b71 | 2013-11-13 19:14:45 +0100 | [diff] [blame] | 231 | * @neigh_list_lock: lock protecting neigh_list and router |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 232 | * @hash_entry: hlist node for batadv_priv::orig_hash |
| 233 | * @bat_priv: pointer to soft_iface this orig node belongs to |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 234 | * @bcast_seqno_lock: lock protecting bcast_bits & last_bcast_seqno |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 235 | * @refcount: number of contexts the object is used |
| 236 | * @rcu: struct used for freeing in an RCU-safe manner |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 237 | * @in_coding_list: list of nodes this orig can hear |
| 238 | * @out_coding_list: list of nodes that can hear this orig |
| 239 | * @in_coding_list_lock: protects in_coding_list |
| 240 | * @out_coding_list_lock: protects out_coding_list |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 241 | * @fragments: array with heads for fragment chains |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 242 | * @vlan_list: a list of orig_node_vlan structs, one per VLAN served by the |
| 243 | * originator represented by this object |
| 244 | * @vlan_list_lock: lock protecting vlan_list |
Antonio Quartulli | bbad0a5 | 2013-09-02 12:15:02 +0200 | [diff] [blame] | 245 | * @bat_iv: B.A.T.M.A.N. IV private structure |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 246 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 247 | struct batadv_orig_node { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 248 | uint8_t orig[ETH_ALEN]; |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 249 | struct hlist_head ifinfo_list; |
Simon Wunderlich | f3b3d90 | 2013-11-13 19:14:50 +0100 | [diff] [blame] | 250 | struct batadv_orig_ifinfo *last_bonding_candidate; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 251 | #ifdef CONFIG_BATMAN_ADV_DAT |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 252 | batadv_dat_addr_t dat_addr; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 253 | #endif |
Marek Lindner | d7b2a97 | 2012-03-01 15:35:19 +0800 | [diff] [blame] | 254 | unsigned long last_seen; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 255 | unsigned long bcast_seqno_reset; |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 256 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 257 | uint8_t mcast_flags; |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 258 | struct hlist_node mcast_want_all_unsnoopables_node; |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 259 | struct hlist_node mcast_want_all_ipv4_node; |
| 260 | struct hlist_node mcast_want_all_ipv6_node; |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 261 | #endif |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 262 | uint8_t capabilities; |
Linus Lüssing | e17931d | 2014-02-15 17:47:50 +0100 | [diff] [blame] | 263 | uint8_t capa_initialized; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 264 | atomic_t last_ttvn; |
Antonio Quartulli | 2dafb49 | 2011-05-05 08:42:45 +0200 | [diff] [blame] | 265 | unsigned char *tt_buff; |
| 266 | int16_t tt_buff_len; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 267 | spinlock_t tt_buff_lock; /* protects tt_buff & tt_buff_len */ |
Antonio Quartulli | a70a9aa | 2013-07-30 22:16:24 +0200 | [diff] [blame] | 268 | /* prevents from changing the table while reading it */ |
| 269 | spinlock_t tt_lock; |
Sven Eckelmann | 42d0b04 | 2012-06-03 22:19:17 +0200 | [diff] [blame] | 270 | DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 271 | uint32_t last_bcast_seqno; |
Marek Lindner | 9591a79 | 2010-12-12 21:57:11 +0000 | [diff] [blame] | 272 | struct hlist_head neigh_list; |
Simon Wunderlich | f6c8b71 | 2013-11-13 19:14:45 +0100 | [diff] [blame] | 273 | /* neigh_list_lock protects: neigh_list and router */ |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 274 | spinlock_t neigh_list_lock; |
Marek Lindner | 7aadf88 | 2011-02-18 12:28:09 +0000 | [diff] [blame] | 275 | struct hlist_node hash_entry; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 276 | struct batadv_priv *bat_priv; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 277 | /* bcast_seqno_lock protects: bcast_bits & last_bcast_seqno */ |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 278 | spinlock_t bcast_seqno_lock; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 279 | atomic_t refcount; |
| 280 | struct rcu_head rcu; |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 281 | #ifdef CONFIG_BATMAN_ADV_NC |
| 282 | struct list_head in_coding_list; |
| 283 | struct list_head out_coding_list; |
| 284 | spinlock_t in_coding_list_lock; /* Protects in_coding_list */ |
| 285 | spinlock_t out_coding_list_lock; /* Protects out_coding_list */ |
| 286 | #endif |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 287 | struct batadv_frag_table_entry fragments[BATADV_FRAG_BUFFER_COUNT]; |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 288 | struct list_head vlan_list; |
| 289 | spinlock_t vlan_list_lock; /* protects vlan_list */ |
Antonio Quartulli | bbad0a5 | 2013-09-02 12:15:02 +0200 | [diff] [blame] | 290 | struct batadv_orig_bat_iv bat_iv; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 291 | }; |
| 292 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 293 | /** |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 294 | * enum batadv_orig_capabilities - orig node capabilities |
| 295 | * @BATADV_ORIG_CAPA_HAS_DAT: orig node has distributed arp table enabled |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame] | 296 | * @BATADV_ORIG_CAPA_HAS_NC: orig node has network coding enabled |
Linus Lüssing | e17931d | 2014-02-15 17:47:50 +0100 | [diff] [blame] | 297 | * @BATADV_ORIG_CAPA_HAS_TT: orig node has tt capability |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 298 | * @BATADV_ORIG_CAPA_HAS_MCAST: orig node has some multicast capability |
| 299 | * (= orig node announces a tvlv of type BATADV_TVLV_MCAST) |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 300 | */ |
| 301 | enum batadv_orig_capabilities { |
| 302 | BATADV_ORIG_CAPA_HAS_DAT = BIT(0), |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame] | 303 | BATADV_ORIG_CAPA_HAS_NC = BIT(1), |
Linus Lüssing | e17931d | 2014-02-15 17:47:50 +0100 | [diff] [blame] | 304 | BATADV_ORIG_CAPA_HAS_TT = BIT(2), |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 305 | BATADV_ORIG_CAPA_HAS_MCAST = BIT(3), |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 306 | }; |
| 307 | |
| 308 | /** |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 309 | * struct batadv_gw_node - structure for orig nodes announcing gw capabilities |
| 310 | * @list: list node for batadv_priv_gw::list |
| 311 | * @orig_node: pointer to corresponding orig node |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 312 | * @bandwidth_down: advertised uplink download bandwidth |
| 313 | * @bandwidth_up: advertised uplink upload bandwidth |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 314 | * @deleted: this struct is scheduled for deletion |
| 315 | * @refcount: number of contexts the object is used |
| 316 | * @rcu: struct used for freeing in an RCU-safe manner |
| 317 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 318 | struct batadv_gw_node { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 319 | struct hlist_node list; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 320 | struct batadv_orig_node *orig_node; |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 321 | uint32_t bandwidth_down; |
| 322 | uint32_t bandwidth_up; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 323 | unsigned long deleted; |
Marek Lindner | 25b6d3c | 2011-02-10 14:33:49 +0000 | [diff] [blame] | 324 | atomic_t refcount; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 325 | struct rcu_head rcu; |
| 326 | }; |
| 327 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 328 | /** |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 329 | * struct batadv_neigh_node - structure for single hops neighbors |
| 330 | * @list: list node for batadv_orig_node::neigh_list |
| 331 | * @orig_node: pointer to corresponding orig_node |
| 332 | * @addr: the MAC address of the neighboring interface |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 333 | * @ifinfo_list: list for routing metrics per outgoing interface |
| 334 | * @ifinfo_lock: lock protecting private ifinfo members and list |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 335 | * @if_incoming: pointer to incoming hard interface |
| 336 | * @last_seen: when last packet via this neighbor was received |
| 337 | * @last_ttl: last received ttl from this neigh node |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 338 | * @rcu: struct used for freeing in an RCU-safe manner |
| 339 | * @bat_iv: B.A.T.M.A.N. IV private structure |
| 340 | */ |
| 341 | struct batadv_neigh_node { |
| 342 | struct hlist_node list; |
| 343 | struct batadv_orig_node *orig_node; |
| 344 | uint8_t addr[ETH_ALEN]; |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 345 | struct hlist_head ifinfo_list; |
| 346 | spinlock_t ifinfo_lock; /* protects ifinfo_list and its members */ |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 347 | struct batadv_hard_iface *if_incoming; |
| 348 | unsigned long last_seen; |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 349 | atomic_t refcount; |
| 350 | struct rcu_head rcu; |
| 351 | }; |
| 352 | |
Simon Wunderlich | 1b371d1 | 2014-01-15 21:17:54 +0100 | [diff] [blame] | 353 | /** |
Simon Wunderlich | 1a321b0 | 2014-01-24 22:16:25 +0100 | [diff] [blame] | 354 | * struct batadv_neigh_ifinfo_bat_iv - neighbor information per outgoing |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 355 | * interface for BATMAN IV |
| 356 | * @tq_recv: ring buffer of received TQ values from this neigh node |
| 357 | * @tq_index: ring buffer index |
| 358 | * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv) |
| 359 | * @real_bits: bitfield containing the number of OGMs received from this neigh |
| 360 | * node (relative to orig_node->last_real_seqno) |
| 361 | * @real_packet_count: counted result of real_bits |
| 362 | */ |
| 363 | struct batadv_neigh_ifinfo_bat_iv { |
| 364 | uint8_t tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; |
| 365 | uint8_t tq_index; |
| 366 | uint8_t tq_avg; |
| 367 | DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
| 368 | uint8_t real_packet_count; |
| 369 | }; |
| 370 | |
Simon Wunderlich | 1b371d1 | 2014-01-15 21:17:54 +0100 | [diff] [blame] | 371 | /** |
| 372 | * struct batadv_neigh_ifinfo - neighbor information per outgoing interface |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 373 | * @list: list node for batadv_neigh_node::ifinfo_list |
| 374 | * @if_outgoing: pointer to outgoing hard interface |
| 375 | * @bat_iv: B.A.T.M.A.N. IV private structure |
| 376 | * @last_ttl: last received ttl from this neigh node |
| 377 | * @refcount: number of contexts the object is used |
| 378 | * @rcu: struct used for freeing in a RCU-safe manner |
| 379 | */ |
| 380 | struct batadv_neigh_ifinfo { |
| 381 | struct hlist_node list; |
| 382 | struct batadv_hard_iface *if_outgoing; |
| 383 | struct batadv_neigh_ifinfo_bat_iv bat_iv; |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 384 | uint8_t last_ttl; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 385 | atomic_t refcount; |
| 386 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 387 | }; |
| 388 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 389 | /** |
| 390 | * struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression |
| 391 | * @orig[ETH_ALEN]: mac address of orig node orginating the broadcast |
| 392 | * @crc: crc32 checksum of broadcast payload |
| 393 | * @entrytime: time when the broadcast packet was received |
| 394 | */ |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 395 | #ifdef CONFIG_BATMAN_ADV_BLA |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 396 | struct batadv_bcast_duplist_entry { |
Simon Wunderlich | fe2da6f | 2012-01-22 20:00:24 +0100 | [diff] [blame] | 397 | uint8_t orig[ETH_ALEN]; |
Simon Wunderlich | 004e86f | 2012-10-18 13:47:42 +0200 | [diff] [blame] | 398 | __be32 crc; |
Simon Wunderlich | fe2da6f | 2012-01-22 20:00:24 +0100 | [diff] [blame] | 399 | unsigned long entrytime; |
| 400 | }; |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 401 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 402 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 403 | /** |
| 404 | * enum batadv_counters - indices for traffic counters |
| 405 | * @BATADV_CNT_TX: transmitted payload traffic packet counter |
| 406 | * @BATADV_CNT_TX_BYTES: transmitted payload traffic bytes counter |
| 407 | * @BATADV_CNT_TX_DROPPED: dropped transmission payload traffic packet counter |
| 408 | * @BATADV_CNT_RX: received payload traffic packet counter |
| 409 | * @BATADV_CNT_RX_BYTES: received payload traffic bytes counter |
| 410 | * @BATADV_CNT_FORWARD: forwarded payload traffic packet counter |
| 411 | * @BATADV_CNT_FORWARD_BYTES: forwarded payload traffic bytes counter |
| 412 | * @BATADV_CNT_MGMT_TX: transmitted routing protocol traffic packet counter |
| 413 | * @BATADV_CNT_MGMT_TX_BYTES: transmitted routing protocol traffic bytes counter |
| 414 | * @BATADV_CNT_MGMT_RX: received routing protocol traffic packet counter |
| 415 | * @BATADV_CNT_MGMT_RX_BYTES: received routing protocol traffic bytes counter |
Martin Hundebøll | ee75ed8 | 2013-05-23 16:53:03 +0200 | [diff] [blame] | 416 | * @BATADV_CNT_FRAG_TX: transmitted fragment traffic packet counter |
| 417 | * @BATADV_CNT_FRAG_TX_BYTES: transmitted fragment traffic bytes counter |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 418 | * @BATADV_CNT_FRAG_RX: received fragment traffic packet counter |
| 419 | * @BATADV_CNT_FRAG_RX_BYTES: received fragment traffic bytes counter |
| 420 | * @BATADV_CNT_FRAG_FWD: forwarded fragment traffic packet counter |
| 421 | * @BATADV_CNT_FRAG_FWD_BYTES: forwarded fragment traffic bytes counter |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 422 | * @BATADV_CNT_TT_REQUEST_TX: transmitted tt req traffic packet counter |
| 423 | * @BATADV_CNT_TT_REQUEST_RX: received tt req traffic packet counter |
| 424 | * @BATADV_CNT_TT_RESPONSE_TX: transmitted tt resp traffic packet counter |
| 425 | * @BATADV_CNT_TT_RESPONSE_RX: received tt resp traffic packet counter |
| 426 | * @BATADV_CNT_TT_ROAM_ADV_TX: transmitted tt roam traffic packet counter |
| 427 | * @BATADV_CNT_TT_ROAM_ADV_RX: received tt roam traffic packet counter |
| 428 | * @BATADV_CNT_DAT_GET_TX: transmitted dht GET traffic packet counter |
| 429 | * @BATADV_CNT_DAT_GET_RX: received dht GET traffic packet counter |
| 430 | * @BATADV_CNT_DAT_PUT_TX: transmitted dht PUT traffic packet counter |
| 431 | * @BATADV_CNT_DAT_PUT_RX: received dht PUT traffic packet counter |
| 432 | * @BATADV_CNT_DAT_CACHED_REPLY_TX: transmitted dat cache reply traffic packet |
| 433 | * counter |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 434 | * @BATADV_CNT_NC_CODE: transmitted nc-combined traffic packet counter |
| 435 | * @BATADV_CNT_NC_CODE_BYTES: transmitted nc-combined traffic bytes counter |
| 436 | * @BATADV_CNT_NC_RECODE: transmitted nc-recombined traffic packet counter |
| 437 | * @BATADV_CNT_NC_RECODE_BYTES: transmitted nc-recombined traffic bytes counter |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 438 | * @BATADV_CNT_NC_BUFFER: counter for packets buffered for later nc decoding |
Martin Hundebøll | 2df5278 | 2013-01-25 11:12:43 +0100 | [diff] [blame] | 439 | * @BATADV_CNT_NC_DECODE: received and nc-decoded traffic packet counter |
| 440 | * @BATADV_CNT_NC_DECODE_BYTES: received and nc-decoded traffic bytes counter |
| 441 | * @BATADV_CNT_NC_DECODE_FAILED: received and decode-failed traffic packet |
| 442 | * counter |
| 443 | * @BATADV_CNT_NC_SNIFFED: counter for nc-decoded packets received in promisc |
| 444 | * mode. |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 445 | * @BATADV_CNT_NUM: number of traffic counters |
| 446 | */ |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 447 | enum batadv_counters { |
Marek Lindner | 1c9b055 | 2012-06-23 11:47:53 +0200 | [diff] [blame] | 448 | BATADV_CNT_TX, |
| 449 | BATADV_CNT_TX_BYTES, |
| 450 | BATADV_CNT_TX_DROPPED, |
| 451 | BATADV_CNT_RX, |
| 452 | BATADV_CNT_RX_BYTES, |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 453 | BATADV_CNT_FORWARD, |
| 454 | BATADV_CNT_FORWARD_BYTES, |
| 455 | BATADV_CNT_MGMT_TX, |
| 456 | BATADV_CNT_MGMT_TX_BYTES, |
| 457 | BATADV_CNT_MGMT_RX, |
| 458 | BATADV_CNT_MGMT_RX_BYTES, |
Martin Hundebøll | ee75ed8 | 2013-05-23 16:53:03 +0200 | [diff] [blame] | 459 | BATADV_CNT_FRAG_TX, |
| 460 | BATADV_CNT_FRAG_TX_BYTES, |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 461 | BATADV_CNT_FRAG_RX, |
| 462 | BATADV_CNT_FRAG_RX_BYTES, |
| 463 | BATADV_CNT_FRAG_FWD, |
| 464 | BATADV_CNT_FRAG_FWD_BYTES, |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 465 | BATADV_CNT_TT_REQUEST_TX, |
| 466 | BATADV_CNT_TT_REQUEST_RX, |
| 467 | BATADV_CNT_TT_RESPONSE_TX, |
| 468 | BATADV_CNT_TT_RESPONSE_RX, |
| 469 | BATADV_CNT_TT_ROAM_ADV_TX, |
| 470 | BATADV_CNT_TT_ROAM_ADV_RX, |
Martin Hundebøll | 4046b24 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 471 | #ifdef CONFIG_BATMAN_ADV_DAT |
| 472 | BATADV_CNT_DAT_GET_TX, |
| 473 | BATADV_CNT_DAT_GET_RX, |
| 474 | BATADV_CNT_DAT_PUT_TX, |
| 475 | BATADV_CNT_DAT_PUT_RX, |
| 476 | BATADV_CNT_DAT_CACHED_REPLY_TX, |
| 477 | #endif |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 478 | #ifdef CONFIG_BATMAN_ADV_NC |
| 479 | BATADV_CNT_NC_CODE, |
| 480 | BATADV_CNT_NC_CODE_BYTES, |
| 481 | BATADV_CNT_NC_RECODE, |
| 482 | BATADV_CNT_NC_RECODE_BYTES, |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 483 | BATADV_CNT_NC_BUFFER, |
Martin Hundebøll | 2df5278 | 2013-01-25 11:12:43 +0100 | [diff] [blame] | 484 | BATADV_CNT_NC_DECODE, |
| 485 | BATADV_CNT_NC_DECODE_BYTES, |
| 486 | BATADV_CNT_NC_DECODE_FAILED, |
| 487 | BATADV_CNT_NC_SNIFFED, |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 488 | #endif |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 489 | BATADV_CNT_NUM, |
Martin Hundebøll | f821486 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 490 | }; |
| 491 | |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 492 | /** |
| 493 | * struct batadv_priv_tt - per mesh interface translation table data |
| 494 | * @vn: translation table version number |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 495 | * @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] | 496 | * @local_changes: changes registered in an originator interval |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 497 | * @changes_list: tracks tt local changes within an originator interval |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 498 | * @local_hash: local translation table hash table |
| 499 | * @global_hash: global translation table hash table |
| 500 | * @req_list: list of pending & unanswered tt_requests |
| 501 | * @roam_list: list of the last roaming events of each client limiting the |
| 502 | * number of roaming events to avoid route flapping |
| 503 | * @changes_list_lock: lock protecting changes_list |
| 504 | * @req_list_lock: lock protecting req_list |
| 505 | * @roam_list_lock: lock protecting roam_list |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 506 | * @last_changeset: last tt changeset this host has generated |
| 507 | * @last_changeset_len: length of last tt changeset this host has generated |
| 508 | * @last_changeset_lock: lock protecting last_changeset & last_changeset_len |
Antonio Quartulli | a70a9aa | 2013-07-30 22:16:24 +0200 | [diff] [blame] | 509 | * @commit_lock: prevents from executing a local TT commit while reading the |
| 510 | * local table. The local TT commit is made up by two operations (data |
| 511 | * structure update and metdata -CRC/TTVN- recalculation) and they have to be |
| 512 | * executed atomically in order to avoid another thread to read the |
| 513 | * table/metadata between those. |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 514 | * @work: work queue callback item for translation table purging |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 515 | */ |
| 516 | struct batadv_priv_tt { |
| 517 | atomic_t vn; |
| 518 | atomic_t ogm_append_cnt; |
| 519 | atomic_t local_changes; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 520 | struct list_head changes_list; |
| 521 | struct batadv_hashtable *local_hash; |
| 522 | struct batadv_hashtable *global_hash; |
| 523 | struct list_head req_list; |
| 524 | struct list_head roam_list; |
| 525 | spinlock_t changes_list_lock; /* protects changes */ |
| 526 | spinlock_t req_list_lock; /* protects req_list */ |
| 527 | spinlock_t roam_list_lock; /* protects roam_list */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 528 | unsigned char *last_changeset; |
| 529 | int16_t last_changeset_len; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 530 | /* protects last_changeset & last_changeset_len */ |
| 531 | spinlock_t last_changeset_lock; |
Antonio Quartulli | a70a9aa | 2013-07-30 22:16:24 +0200 | [diff] [blame] | 532 | /* prevents from executing a commit while reading the table */ |
| 533 | spinlock_t commit_lock; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 534 | struct delayed_work work; |
| 535 | }; |
| 536 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 537 | /** |
| 538 | * struct batadv_priv_bla - per mesh interface bridge loope avoidance data |
| 539 | * @num_requests; number of bla requests in flight |
| 540 | * @claim_hash: hash table containing mesh nodes this host has claimed |
| 541 | * @backbone_hash: hash table containing all detected backbone gateways |
| 542 | * @bcast_duplist: recently received broadcast packets array (for broadcast |
| 543 | * duplicate suppression) |
| 544 | * @bcast_duplist_curr: index of last broadcast packet added to bcast_duplist |
| 545 | * @bcast_duplist_lock: lock protecting bcast_duplist & bcast_duplist_curr |
| 546 | * @claim_dest: local claim data (e.g. claim group) |
| 547 | * @work: work queue callback item for cleanups & bla announcements |
| 548 | */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 549 | #ifdef CONFIG_BATMAN_ADV_BLA |
| 550 | struct batadv_priv_bla { |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 551 | atomic_t num_requests; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 552 | struct batadv_hashtable *claim_hash; |
| 553 | struct batadv_hashtable *backbone_hash; |
| 554 | struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; |
| 555 | int bcast_duplist_curr; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 556 | /* protects bcast_duplist & bcast_duplist_curr */ |
Linus Lüssing | 7dac7b7 | 2012-10-17 14:53:05 +0200 | [diff] [blame] | 557 | spinlock_t bcast_duplist_lock; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 558 | struct batadv_bla_claim_dst claim_dest; |
| 559 | struct delayed_work work; |
| 560 | }; |
| 561 | #endif |
| 562 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 563 | /** |
Simon Wunderlich | 1a321b0 | 2014-01-24 22:16:25 +0100 | [diff] [blame] | 564 | * struct batadv_priv_debug_log - debug logging data |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 565 | * @log_buff: buffer holding the logs (ring bufer) |
| 566 | * @log_start: index of next character to read |
| 567 | * @log_end: index of next character to write |
| 568 | * @lock: lock protecting log_buff, log_start & log_end |
| 569 | * @queue_wait: log reader's wait queue |
| 570 | */ |
Marek Lindner | 0abf5d8 | 2012-12-25 17:03:20 +0800 | [diff] [blame] | 571 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
| 572 | struct batadv_priv_debug_log { |
| 573 | char log_buff[BATADV_LOG_BUF_LEN]; |
| 574 | unsigned long log_start; |
| 575 | unsigned long log_end; |
| 576 | spinlock_t lock; /* protects log_buff, log_start and log_end */ |
| 577 | wait_queue_head_t queue_wait; |
| 578 | }; |
| 579 | #endif |
| 580 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 581 | /** |
| 582 | * struct batadv_priv_gw - per mesh interface gateway data |
| 583 | * @list: list of available gateway nodes |
| 584 | * @list_lock: lock protecting gw_list & curr_gw |
| 585 | * @curr_gw: pointer to currently selected gateway node |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 586 | * @bandwidth_down: advertised uplink download bandwidth (if gw_mode server) |
| 587 | * @bandwidth_up: advertised uplink upload bandwidth (if gw_mode server) |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 588 | * @reselect: bool indicating a gateway re-selection is in progress |
| 589 | */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 590 | struct batadv_priv_gw { |
| 591 | struct hlist_head list; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 592 | spinlock_t list_lock; /* protects gw_list & curr_gw */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 593 | struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */ |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 594 | atomic_t bandwidth_down; |
| 595 | atomic_t bandwidth_up; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 596 | atomic_t reselect; |
| 597 | }; |
| 598 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 599 | /** |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 600 | * struct batadv_priv_tvlv - per mesh interface tvlv data |
| 601 | * @container_list: list of registered tvlv containers to be sent with each OGM |
| 602 | * @handler_list: list of the various tvlv content handlers |
| 603 | * @container_list_lock: protects tvlv container list access |
| 604 | * @handler_list_lock: protects handler list access |
| 605 | */ |
| 606 | struct batadv_priv_tvlv { |
| 607 | struct hlist_head container_list; |
| 608 | struct hlist_head handler_list; |
| 609 | spinlock_t container_list_lock; /* protects container_list */ |
| 610 | spinlock_t handler_list_lock; /* protects handler_list */ |
| 611 | }; |
| 612 | |
| 613 | /** |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 614 | * struct batadv_priv_dat - per mesh interface DAT private data |
| 615 | * @addr: node DAT address |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 616 | * @hash: hashtable representing the local ARP cache |
| 617 | * @work: work queue callback item for cache purging |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 618 | */ |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 619 | #ifdef CONFIG_BATMAN_ADV_DAT |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 620 | struct batadv_priv_dat { |
| 621 | batadv_dat_addr_t addr; |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 622 | struct batadv_hashtable *hash; |
| 623 | struct delayed_work work; |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 624 | }; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 625 | #endif |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 626 | |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 627 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 628 | /** |
| 629 | * struct batadv_priv_mcast - per mesh interface mcast data |
| 630 | * @mla_list: list of multicast addresses we are currently announcing via TT |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 631 | * @want_all_unsnoopables_list: a list of orig_nodes wanting all unsnoopable |
| 632 | * multicast traffic |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 633 | * @want_all_ipv4_list: a list of orig_nodes wanting all IPv4 multicast traffic |
| 634 | * @want_all_ipv6_list: a list of orig_nodes wanting all IPv6 multicast traffic |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 635 | * @flags: the flags we have last sent in our mcast tvlv |
| 636 | * @enabled: whether the multicast tvlv is currently enabled |
| 637 | * @num_disabled: number of nodes that have no mcast tvlv |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 638 | * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP traffic |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 639 | * @num_want_all_ipv4: counter for items in want_all_ipv4_list |
| 640 | * @num_want_all_ipv6: counter for items in want_all_ipv6_list |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 641 | * @want_lists_lock: lock for protecting modifications to mcast want lists |
| 642 | * (traversals are rcu-locked) |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 643 | */ |
| 644 | struct batadv_priv_mcast { |
| 645 | struct hlist_head mla_list; |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 646 | struct hlist_head want_all_unsnoopables_list; |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 647 | struct hlist_head want_all_ipv4_list; |
| 648 | struct hlist_head want_all_ipv6_list; |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 649 | uint8_t flags; |
| 650 | bool enabled; |
| 651 | atomic_t num_disabled; |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 652 | atomic_t num_want_all_unsnoopables; |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 653 | atomic_t num_want_all_ipv4; |
| 654 | atomic_t num_want_all_ipv6; |
| 655 | /* protects want_all_{unsnoopables,ipv4,ipv6}_list */ |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 656 | spinlock_t want_lists_lock; |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 657 | }; |
| 658 | #endif |
| 659 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 660 | /** |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 661 | * struct batadv_priv_nc - per mesh interface network coding private data |
| 662 | * @work: work queue callback item for cleanup |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 663 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs |
| 664 | * @min_tq: only consider neighbors for encoding if neigh_tq > min_tq |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 665 | * @max_fwd_delay: maximum packet forward delay to allow coding of packets |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 666 | * @max_buffer_time: buffer time for sniffed packets used to decoding |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 667 | * @timestamp_fwd_flush: timestamp of last forward packet queue flush |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 668 | * @timestamp_sniffed_purge: timestamp of last sniffed packet queue purge |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 669 | * @coding_hash: Hash table used to buffer skbs while waiting for another |
| 670 | * incoming skb to code it with. Skbs are added to the buffer just before being |
| 671 | * forwarded in routing.c |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 672 | * @decoding_hash: Hash table used to buffer skbs that might be needed to decode |
| 673 | * a received coded skb. The buffer is used for 1) skbs arriving on the |
| 674 | * soft-interface; 2) skbs overheard on the hard-interface; and 3) skbs |
| 675 | * forwarded by batman-adv. |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 676 | */ |
| 677 | struct batadv_priv_nc { |
| 678 | struct delayed_work work; |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 679 | struct dentry *debug_dir; |
| 680 | u8 min_tq; |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 681 | u32 max_fwd_delay; |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 682 | u32 max_buffer_time; |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 683 | unsigned long timestamp_fwd_flush; |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 684 | unsigned long timestamp_sniffed_purge; |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 685 | struct batadv_hashtable *coding_hash; |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 686 | struct batadv_hashtable *decoding_hash; |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 687 | }; |
| 688 | |
| 689 | /** |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 690 | * struct batadv_softif_vlan - per VLAN attributes set |
Antonio Quartulli | 35df3b2 | 2014-05-08 17:13:15 +0200 | [diff] [blame] | 691 | * @bat_priv: pointer to the mesh object |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 692 | * @vid: VLAN identifier |
| 693 | * @kobj: kobject for sysfs vlan subdirectory |
Antonio Quartulli | b8cbd81 | 2013-07-02 11:04:36 +0200 | [diff] [blame] | 694 | * @ap_isolation: AP isolation state |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 695 | * @tt: TT private attributes (VLAN specific) |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 696 | * @list: list node for bat_priv::softif_vlan_list |
| 697 | * @refcount: number of context where this object is currently in use |
| 698 | * @rcu: struct used for freeing in a RCU-safe manner |
| 699 | */ |
| 700 | struct batadv_softif_vlan { |
Antonio Quartulli | 35df3b2 | 2014-05-08 17:13:15 +0200 | [diff] [blame] | 701 | struct batadv_priv *bat_priv; |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 702 | unsigned short vid; |
| 703 | struct kobject *kobj; |
Antonio Quartulli | b8cbd81 | 2013-07-02 11:04:36 +0200 | [diff] [blame] | 704 | atomic_t ap_isolation; /* boolean */ |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 705 | struct batadv_vlan_tt tt; |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 706 | struct hlist_node list; |
| 707 | atomic_t refcount; |
| 708 | struct rcu_head rcu; |
| 709 | }; |
| 710 | |
| 711 | /** |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 712 | * struct batadv_priv - per mesh interface data |
| 713 | * @mesh_state: current status of the mesh (inactive/active/deactivating) |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 714 | * @soft_iface: net device which holds this struct as private data |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 715 | * @stats: structure holding the data for the ndo_get_stats() call |
| 716 | * @bat_counters: mesh internal traffic statistic counters (see batadv_counters) |
| 717 | * @aggregated_ogms: bool indicating whether OGM aggregation is enabled |
| 718 | * @bonding: bool indicating whether traffic bonding is enabled |
| 719 | * @fragmentation: bool indicating whether traffic fragmentation is enabled |
Marek Lindner | a19d3d8 | 2013-05-27 15:33:25 +0800 | [diff] [blame] | 720 | * @packet_size_max: max packet size that can be transmitted via |
| 721 | * multiple fragmented skbs or a single frame if fragmentation is disabled |
Martin Hundebøll | ee75ed8 | 2013-05-23 16:53:03 +0200 | [diff] [blame] | 722 | * @frag_seqno: incremental counter to identify chains of egress fragments |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 723 | * @bridge_loop_avoidance: bool indicating whether bridge loop avoidance is |
| 724 | * enabled |
| 725 | * @distributed_arp_table: bool indicating whether distributed ARP table is |
| 726 | * enabled |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 727 | * @multicast_mode: Enable or disable multicast optimizations on this node's |
| 728 | * sender/originating side |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 729 | * @gw_mode: gateway operation: off, client or server (see batadv_gw_modes) |
| 730 | * @gw_sel_class: gateway selection class (applies if gw_mode client) |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 731 | * @orig_interval: OGM broadcast interval in milliseconds |
| 732 | * @hop_penalty: penalty which will be applied to an OGM's tq-field on every hop |
| 733 | * @log_level: configured log level (see batadv_dbg_level) |
| 734 | * @bcast_seqno: last sent broadcast packet sequence number |
| 735 | * @bcast_queue_left: number of remaining buffered broadcast packet slots |
| 736 | * @batman_queue_left: number of remaining OGM packet slots |
| 737 | * @num_ifaces: number of interfaces assigned to this mesh interface |
| 738 | * @mesh_obj: kobject for sysfs mesh subdirectory |
| 739 | * @debug_dir: dentry for debugfs batman-adv subdirectory |
| 740 | * @forw_bat_list: list of aggregated OGMs that will be forwarded |
| 741 | * @forw_bcast_list: list of broadcast packets that will be rebroadcasted |
| 742 | * @orig_hash: hash table containing mesh participants (orig nodes) |
| 743 | * @forw_bat_list_lock: lock protecting forw_bat_list |
| 744 | * @forw_bcast_list_lock: lock protecting forw_bcast_list |
| 745 | * @orig_work: work queue callback item for orig node purging |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 746 | * @cleanup_work: work queue callback item for soft interface deinit |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 747 | * @primary_if: one of the hard interfaces assigned to this mesh interface |
| 748 | * becomes the primary interface |
| 749 | * @bat_algo_ops: routing algorithm used by this mesh interface |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 750 | * @softif_vlan_list: a list of softif_vlan structs, one per VLAN created on top |
| 751 | * of the mesh interface represented by this object |
| 752 | * @softif_vlan_list_lock: lock protecting softif_vlan_list |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 753 | * @bla: bridge loope avoidance data |
| 754 | * @debug_log: holding debug logging relevant data |
| 755 | * @gw: gateway data |
| 756 | * @tt: translation table data |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 757 | * @tvlv: type-version-length-value data |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 758 | * @dat: distributed arp table data |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 759 | * @mcast: multicast data |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 760 | * @network_coding: bool indicating whether network coding is enabled |
| 761 | * @batadv_priv_nc: network coding data |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 762 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 763 | struct batadv_priv { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 764 | atomic_t mesh_state; |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 765 | struct net_device *soft_iface; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 766 | struct net_device_stats stats; |
Martin Hundebøll | f821486 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 767 | uint64_t __percpu *bat_counters; /* Per cpu counters */ |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 768 | atomic_t aggregated_ogms; |
| 769 | atomic_t bonding; |
| 770 | atomic_t fragmentation; |
Marek Lindner | a19d3d8 | 2013-05-27 15:33:25 +0800 | [diff] [blame] | 771 | atomic_t packet_size_max; |
Martin Hundebøll | ee75ed8 | 2013-05-23 16:53:03 +0200 | [diff] [blame] | 772 | atomic_t frag_seqno; |
Antonio Quartulli | fa70655 | 2012-11-26 01:27:29 +0100 | [diff] [blame] | 773 | #ifdef CONFIG_BATMAN_ADV_BLA |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 774 | atomic_t bridge_loop_avoidance; |
Antonio Quartulli | fa70655 | 2012-11-26 01:27:29 +0100 | [diff] [blame] | 775 | #endif |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 776 | #ifdef CONFIG_BATMAN_ADV_DAT |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 777 | atomic_t distributed_arp_table; |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 778 | #endif |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 779 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 780 | atomic_t multicast_mode; |
| 781 | #endif |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 782 | atomic_t gw_mode; |
| 783 | atomic_t gw_sel_class; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 784 | atomic_t orig_interval; |
| 785 | atomic_t hop_penalty; |
Marek Lindner | 0c430d0 | 2012-12-16 13:53:15 +0800 | [diff] [blame] | 786 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 787 | atomic_t log_level; |
Marek Lindner | 0c430d0 | 2012-12-16 13:53:15 +0800 | [diff] [blame] | 788 | #endif |
Antonio Quartulli | c42edfe | 2013-11-16 12:03:47 +0100 | [diff] [blame] | 789 | uint32_t isolation_mark; |
| 790 | uint32_t isolation_mark_mask; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 791 | atomic_t bcast_seqno; |
| 792 | atomic_t bcast_queue_left; |
| 793 | atomic_t batman_queue_left; |
| 794 | char num_ifaces; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 795 | struct kobject *mesh_obj; |
| 796 | struct dentry *debug_dir; |
| 797 | struct hlist_head forw_bat_list; |
| 798 | struct hlist_head forw_bcast_list; |
Sven Eckelmann | 5bf74e9 | 2012-06-05 22:31:28 +0200 | [diff] [blame] | 799 | struct batadv_hashtable *orig_hash; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 800 | spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ |
Antonio Quartulli | a7528f8 | 2012-09-02 19:00:38 +0200 | [diff] [blame] | 801 | spinlock_t forw_bcast_list_lock; /* protects forw_bcast_list */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 802 | struct delayed_work orig_work; |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 803 | struct work_struct cleanup_work; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 804 | struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 805 | struct batadv_algo_ops *bat_algo_ops; |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 806 | struct hlist_head softif_vlan_list; |
| 807 | spinlock_t softif_vlan_list_lock; /* protects softif_vlan_list */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 808 | #ifdef CONFIG_BATMAN_ADV_BLA |
| 809 | struct batadv_priv_bla bla; |
| 810 | #endif |
Marek Lindner | 0abf5d8 | 2012-12-25 17:03:20 +0800 | [diff] [blame] | 811 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
| 812 | struct batadv_priv_debug_log *debug_log; |
| 813 | #endif |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 814 | struct batadv_priv_gw gw; |
| 815 | struct batadv_priv_tt tt; |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 816 | struct batadv_priv_tvlv tvlv; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 817 | #ifdef CONFIG_BATMAN_ADV_DAT |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 818 | struct batadv_priv_dat dat; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 819 | #endif |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 820 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 821 | struct batadv_priv_mcast mcast; |
| 822 | #endif |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 823 | #ifdef CONFIG_BATMAN_ADV_NC |
| 824 | atomic_t network_coding; |
| 825 | struct batadv_priv_nc nc; |
| 826 | #endif /* CONFIG_BATMAN_ADV_NC */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 827 | }; |
| 828 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 829 | /** |
| 830 | * struct batadv_socket_client - layer2 icmp socket client data |
| 831 | * @queue_list: packet queue for packets destined for this socket client |
| 832 | * @queue_len: number of packets in the packet queue (queue_list) |
| 833 | * @index: socket client's index in the batadv_socket_client_hash |
| 834 | * @lock: lock protecting queue_list, queue_len & index |
| 835 | * @queue_wait: socket client's wait queue |
| 836 | * @bat_priv: pointer to soft_iface this client belongs to |
| 837 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 838 | struct batadv_socket_client { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 839 | struct list_head queue_list; |
| 840 | unsigned int queue_len; |
| 841 | unsigned char index; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 842 | spinlock_t lock; /* protects queue_list, queue_len & index */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 843 | wait_queue_head_t queue_wait; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 844 | struct batadv_priv *bat_priv; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 845 | }; |
| 846 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 847 | /** |
| 848 | * struct batadv_socket_packet - layer2 icmp packet for socket client |
| 849 | * @list: list node for batadv_socket_client::queue_list |
| 850 | * @icmp_len: size of the layer2 icmp packet |
| 851 | * @icmp_packet: layer2 icmp packet |
| 852 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 853 | struct batadv_socket_packet { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 854 | struct list_head list; |
| 855 | size_t icmp_len; |
Simon Wunderlich | da6b8c2 | 2013-10-22 22:50:09 +0200 | [diff] [blame] | 856 | uint8_t icmp_packet[BATADV_ICMP_MAX_PACKET_SIZE]; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 857 | }; |
| 858 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 859 | /** |
| 860 | * struct batadv_bla_backbone_gw - batman-adv gateway bridged into the LAN |
| 861 | * @orig: originator address of backbone node (mac address of primary iface) |
| 862 | * @vid: vlan id this gateway was detected on |
| 863 | * @hash_entry: hlist node for batadv_priv_bla::backbone_hash |
| 864 | * @bat_priv: pointer to soft_iface this backbone gateway belongs to |
| 865 | * @lasttime: last time we heard of this backbone gw |
| 866 | * @wait_periods: grace time for bridge forward delays and bla group forming at |
| 867 | * bootup phase - no bcast traffic is formwared until it has elapsed |
| 868 | * @request_sent: if this bool is set to true we are out of sync with this |
| 869 | * backbone gateway - no bcast traffic is formwared until the situation was |
| 870 | * resolved |
| 871 | * @crc: crc16 checksum over all claims |
| 872 | * @refcount: number of contexts the object is used |
| 873 | * @rcu: struct used for freeing in an RCU-safe manner |
| 874 | */ |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 875 | #ifdef CONFIG_BATMAN_ADV_BLA |
Marek Lindner | bae9877 | 2012-12-25 17:03:24 +0800 | [diff] [blame] | 876 | struct batadv_bla_backbone_gw { |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 877 | uint8_t orig[ETH_ALEN]; |
Antonio Quartulli | eb2deb6 | 2013-04-19 18:07:00 +0200 | [diff] [blame] | 878 | unsigned short vid; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 879 | struct hlist_node hash_entry; |
| 880 | struct batadv_priv *bat_priv; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 881 | unsigned long lasttime; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 882 | atomic_t wait_periods; |
| 883 | atomic_t request_sent; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 884 | uint16_t crc; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 885 | atomic_t refcount; |
| 886 | struct rcu_head rcu; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 887 | }; |
| 888 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 889 | /** |
| 890 | * struct batadv_bla_claim - claimed non-mesh client structure |
| 891 | * @addr: mac address of claimed non-mesh client |
| 892 | * @vid: vlan id this client was detected on |
| 893 | * @batadv_bla_backbone_gw: pointer to backbone gw claiming this client |
| 894 | * @lasttime: last time we heard of claim (locals only) |
| 895 | * @hash_entry: hlist node for batadv_priv_bla::claim_hash |
| 896 | * @refcount: number of contexts the object is used |
| 897 | * @rcu: struct used for freeing in an RCU-safe manner |
| 898 | */ |
Marek Lindner | 712bbfe4 | 2012-12-25 17:03:25 +0800 | [diff] [blame] | 899 | struct batadv_bla_claim { |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 900 | uint8_t addr[ETH_ALEN]; |
Antonio Quartulli | eb2deb6 | 2013-04-19 18:07:00 +0200 | [diff] [blame] | 901 | unsigned short vid; |
Marek Lindner | bae9877 | 2012-12-25 17:03:24 +0800 | [diff] [blame] | 902 | struct batadv_bla_backbone_gw *backbone_gw; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 903 | unsigned long lasttime; |
| 904 | struct hlist_node hash_entry; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 905 | struct rcu_head rcu; |
| 906 | atomic_t refcount; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 907 | }; |
| 908 | #endif |
| 909 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 910 | /** |
| 911 | * struct batadv_tt_common_entry - tt local & tt global common data |
| 912 | * @addr: mac address of non-mesh client |
Antonio Quartulli | c018ad3 | 2013-06-04 12:11:39 +0200 | [diff] [blame] | 913 | * @vid: VLAN identifier |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 914 | * @hash_entry: hlist node for batadv_priv_tt::local_hash or for |
| 915 | * batadv_priv_tt::global_hash |
| 916 | * @flags: various state handling flags (see batadv_tt_client_flags) |
| 917 | * @added_at: timestamp used for purging stale tt common entries |
| 918 | * @refcount: number of contexts the object is used |
| 919 | * @rcu: struct used for freeing in an RCU-safe manner |
| 920 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 921 | struct batadv_tt_common_entry { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 922 | uint8_t addr[ETH_ALEN]; |
Antonio Quartulli | c018ad3 | 2013-06-04 12:11:39 +0200 | [diff] [blame] | 923 | unsigned short vid; |
Antonio Quartulli | 93840ac | 2011-10-22 00:55:39 +0200 | [diff] [blame] | 924 | struct hlist_node hash_entry; |
Antonio Quartulli | 5fbc159 | 2011-06-17 16:11:27 +0200 | [diff] [blame] | 925 | uint16_t flags; |
Antonio Quartulli | 30cfd02 | 2012-07-05 23:38:29 +0200 | [diff] [blame] | 926 | unsigned long added_at; |
Antonio Quartulli | 7683fdc | 2011-04-27 14:28:07 +0200 | [diff] [blame] | 927 | atomic_t refcount; |
| 928 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 929 | }; |
| 930 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 931 | /** |
| 932 | * struct batadv_tt_local_entry - translation table local entry data |
| 933 | * @common: general translation table data |
| 934 | * @last_seen: timestamp used for purging stale tt local entries |
| 935 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 936 | struct batadv_tt_local_entry { |
| 937 | struct batadv_tt_common_entry common; |
Antonio Quartulli | 48100ba | 2011-10-30 12:17:33 +0100 | [diff] [blame] | 938 | unsigned long last_seen; |
| 939 | }; |
| 940 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 941 | /** |
| 942 | * struct batadv_tt_global_entry - translation table global entry data |
| 943 | * @common: general translation table data |
| 944 | * @orig_list: list of orig nodes announcing this non-mesh client |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 945 | * @orig_list_count: number of items in the orig_list |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 946 | * @list_lock: lock protecting orig_list |
| 947 | * @roam_at: time at which TT_GLOBAL_ROAM was set |
| 948 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 949 | struct batadv_tt_global_entry { |
| 950 | struct batadv_tt_common_entry common; |
Simon Wunderlich | db08e6e | 2011-10-22 20:12:51 +0200 | [diff] [blame] | 951 | struct hlist_head orig_list; |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 952 | atomic_t orig_list_count; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 953 | spinlock_t list_lock; /* protects orig_list */ |
| 954 | unsigned long roam_at; |
Simon Wunderlich | db08e6e | 2011-10-22 20:12:51 +0200 | [diff] [blame] | 955 | }; |
| 956 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 957 | /** |
| 958 | * struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client |
| 959 | * @orig_node: pointer to orig node announcing this non-mesh client |
| 960 | * @ttvn: translation table version number which added the non-mesh client |
| 961 | * @list: list node for batadv_tt_global_entry::orig_list |
| 962 | * @refcount: number of contexts the object is used |
| 963 | * @rcu: struct used for freeing in an RCU-safe manner |
| 964 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 965 | struct batadv_tt_orig_list_entry { |
| 966 | struct batadv_orig_node *orig_node; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 967 | uint8_t ttvn; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 968 | struct hlist_node list; |
Antonio Quartulli | d657e62 | 2012-07-01 14:09:12 +0200 | [diff] [blame] | 969 | atomic_t refcount; |
Simon Wunderlich | db08e6e | 2011-10-22 20:12:51 +0200 | [diff] [blame] | 970 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 971 | }; |
| 972 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 973 | /** |
Antonio Quartulli | 3f68785 | 2014-11-02 11:29:56 +0100 | [diff] [blame] | 974 | * struct batadv_tt_change_node - structure for tt changes occurred |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 975 | * @list: list node for batadv_priv_tt::changes_list |
| 976 | * @change: holds the actual translation table diff data |
| 977 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 978 | struct batadv_tt_change_node { |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 979 | struct list_head list; |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame] | 980 | struct batadv_tvlv_tt_change change; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 981 | }; |
| 982 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 983 | /** |
| 984 | * struct batadv_tt_req_node - data to keep track of the tt requests in flight |
| 985 | * @addr: mac address address of the originator this request was sent to |
| 986 | * @issued_at: timestamp used for purging stale tt requests |
| 987 | * @list: list node for batadv_priv_tt::req_list |
| 988 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 989 | struct batadv_tt_req_node { |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 990 | uint8_t addr[ETH_ALEN]; |
| 991 | unsigned long issued_at; |
| 992 | struct list_head list; |
| 993 | }; |
| 994 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 995 | /** |
| 996 | * struct batadv_tt_roam_node - roaming client data |
| 997 | * @addr: mac address of the client in the roaming phase |
| 998 | * @counter: number of allowed roaming events per client within a single |
| 999 | * OGM interval (changes are committed with each OGM) |
| 1000 | * @first_time: timestamp used for purging stale roaming node entries |
| 1001 | * @list: list node for batadv_priv_tt::roam_list |
| 1002 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1003 | struct batadv_tt_roam_node { |
Antonio Quartulli | cc47f66 | 2011-04-27 14:27:57 +0200 | [diff] [blame] | 1004 | uint8_t addr[ETH_ALEN]; |
| 1005 | atomic_t counter; |
| 1006 | unsigned long first_time; |
| 1007 | struct list_head list; |
| 1008 | }; |
| 1009 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1010 | /** |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 1011 | * struct batadv_nc_node - network coding node |
| 1012 | * @list: next and prev pointer for the list handling |
| 1013 | * @addr: the node's mac address |
| 1014 | * @refcount: number of contexts the object is used by |
| 1015 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1016 | * @orig_node: pointer to corresponding orig node struct |
| 1017 | * @last_seen: timestamp of last ogm received from this node |
| 1018 | */ |
| 1019 | struct batadv_nc_node { |
| 1020 | struct list_head list; |
| 1021 | uint8_t addr[ETH_ALEN]; |
| 1022 | atomic_t refcount; |
| 1023 | struct rcu_head rcu; |
| 1024 | struct batadv_orig_node *orig_node; |
| 1025 | unsigned long last_seen; |
| 1026 | }; |
| 1027 | |
| 1028 | /** |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 1029 | * struct batadv_nc_path - network coding path |
| 1030 | * @hash_entry: next and prev pointer for the list handling |
| 1031 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1032 | * @refcount: number of contexts the object is used by |
| 1033 | * @packet_list: list of buffered packets for this path |
| 1034 | * @packet_list_lock: access lock for packet list |
| 1035 | * @next_hop: next hop (destination) of path |
| 1036 | * @prev_hop: previous hop (source) of path |
| 1037 | * @last_valid: timestamp for last validation of path |
| 1038 | */ |
| 1039 | struct batadv_nc_path { |
| 1040 | struct hlist_node hash_entry; |
| 1041 | struct rcu_head rcu; |
| 1042 | atomic_t refcount; |
| 1043 | struct list_head packet_list; |
| 1044 | spinlock_t packet_list_lock; /* Protects packet_list */ |
| 1045 | uint8_t next_hop[ETH_ALEN]; |
| 1046 | uint8_t prev_hop[ETH_ALEN]; |
| 1047 | unsigned long last_valid; |
| 1048 | }; |
| 1049 | |
| 1050 | /** |
| 1051 | * struct batadv_nc_packet - network coding packet used when coding and |
| 1052 | * decoding packets |
| 1053 | * @list: next and prev pointer for the list handling |
| 1054 | * @packet_id: crc32 checksum of skb data |
| 1055 | * @timestamp: field containing the info when the packet was added to path |
| 1056 | * @neigh_node: pointer to original next hop neighbor of skb |
| 1057 | * @skb: skb which can be encoded or used for decoding |
| 1058 | * @nc_path: pointer to path this nc packet is attached to |
| 1059 | */ |
| 1060 | struct batadv_nc_packet { |
| 1061 | struct list_head list; |
| 1062 | __be32 packet_id; |
| 1063 | unsigned long timestamp; |
| 1064 | struct batadv_neigh_node *neigh_node; |
| 1065 | struct sk_buff *skb; |
| 1066 | struct batadv_nc_path *nc_path; |
| 1067 | }; |
| 1068 | |
| 1069 | /** |
Simon Wunderlich | 1a321b0 | 2014-01-24 22:16:25 +0100 | [diff] [blame] | 1070 | * struct batadv_skb_cb - control buffer structure used to store private data |
| 1071 | * relevant to batman-adv in the skb->cb buffer in skbs. |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 1072 | * @decoded: Marks a skb as decoded, which is checked when searching for coding |
| 1073 | * opportunities in network-coding.c |
| 1074 | */ |
| 1075 | struct batadv_skb_cb { |
| 1076 | bool decoded; |
| 1077 | }; |
| 1078 | |
| 1079 | /** |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1080 | * struct batadv_forw_packet - structure for bcast packets to be sent/forwarded |
| 1081 | * @list: list node for batadv_socket_client::queue_list |
| 1082 | * @send_time: execution time for delayed_work (packet sending) |
| 1083 | * @own: bool for locally generated packets (local OGMs are re-scheduled after |
| 1084 | * sending) |
| 1085 | * @skb: bcast packet's skb buffer |
| 1086 | * @packet_len: size of aggregated OGM packet inside the skb buffer |
| 1087 | * @direct_link_flags: direct link flags for aggregated OGM packets |
| 1088 | * @num_packets: counter for bcast packet retransmission |
| 1089 | * @delayed_work: work queue callback item for packet sending |
Simon Wunderlich | ef0a937 | 2013-11-13 19:14:49 +0100 | [diff] [blame] | 1090 | * @if_incoming: pointer to incoming hard-iface or primary iface if |
| 1091 | * locally generated packet |
| 1092 | * @if_outgoing: packet where the packet should be sent to, or NULL if |
| 1093 | * unspecified |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1094 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1095 | struct batadv_forw_packet { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1096 | struct hlist_node list; |
| 1097 | unsigned long send_time; |
| 1098 | uint8_t own; |
| 1099 | struct sk_buff *skb; |
| 1100 | uint16_t packet_len; |
| 1101 | uint32_t direct_link_flags; |
| 1102 | uint8_t num_packets; |
| 1103 | struct delayed_work delayed_work; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1104 | struct batadv_hard_iface *if_incoming; |
Simon Wunderlich | ef0a937 | 2013-11-13 19:14:49 +0100 | [diff] [blame] | 1105 | struct batadv_hard_iface *if_outgoing; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1106 | }; |
| 1107 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1108 | /** |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1109 | * struct batadv_algo_ops - mesh algorithm callbacks |
| 1110 | * @list: list node for the batadv_algo_list |
| 1111 | * @name: name of the algorithm |
| 1112 | * @bat_iface_enable: init routing info when hard-interface is enabled |
| 1113 | * @bat_iface_disable: de-init routing info when hard-interface is disabled |
| 1114 | * @bat_iface_update_mac: (re-)init mac addresses of the protocol information |
| 1115 | * belonging to this hard-interface |
| 1116 | * @bat_primary_iface_set: called when primary interface is selected / changed |
| 1117 | * @bat_ogm_schedule: prepare a new outgoing OGM for the send queue |
| 1118 | * @bat_ogm_emit: send scheduled OGM |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 1119 | * @bat_neigh_cmp: compare the metrics of two neighbors for their respective |
| 1120 | * outgoing interfaces |
| 1121 | * @bat_neigh_is_equiv_or_better: check if neigh1 is equally good or better |
| 1122 | * than neigh2 for their respective outgoing interface from the metric |
| 1123 | * prospective |
Antonio Quartulli | 737a2a22 | 2013-09-02 12:15:03 +0200 | [diff] [blame] | 1124 | * @bat_orig_print: print the originator table (optional) |
Antonio Quartulli | d0015fd | 2013-09-03 11:10:23 +0200 | [diff] [blame] | 1125 | * @bat_orig_free: free the resources allocated by the routing algorithm for an |
| 1126 | * orig_node object |
| 1127 | * @bat_orig_add_if: ask the routing algorithm to apply the needed changes to |
| 1128 | * the orig_node due to a new hard-interface being added into the mesh |
| 1129 | * @bat_orig_del_if: ask the routing algorithm to apply the needed changes to |
| 1130 | * the orig_node due to an hard-interface being removed from the mesh |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1131 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1132 | struct batadv_algo_ops { |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 1133 | struct hlist_node list; |
| 1134 | char *name; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1135 | int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1136 | void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1137 | void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1138 | void (*bat_primary_iface_set)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1139 | void (*bat_ogm_schedule)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1140 | void (*bat_ogm_emit)(struct batadv_forw_packet *forw_packet); |
Antonio Quartulli | a3285a8 | 2013-09-02 12:15:04 +0200 | [diff] [blame] | 1141 | int (*bat_neigh_cmp)(struct batadv_neigh_node *neigh1, |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 1142 | struct batadv_hard_iface *if_outgoing1, |
| 1143 | struct batadv_neigh_node *neigh2, |
| 1144 | struct batadv_hard_iface *if_outgoing2); |
| 1145 | bool (*bat_neigh_is_equiv_or_better) |
| 1146 | (struct batadv_neigh_node *neigh1, |
| 1147 | struct batadv_hard_iface *if_outgoing1, |
| 1148 | struct batadv_neigh_node *neigh2, |
| 1149 | struct batadv_hard_iface *if_outgoing2); |
Antonio Quartulli | 737a2a22 | 2013-09-02 12:15:03 +0200 | [diff] [blame] | 1150 | /* orig_node handling API */ |
Simon Wunderlich | cb1c92e | 2013-11-21 11:52:16 +0100 | [diff] [blame] | 1151 | void (*bat_orig_print)(struct batadv_priv *priv, struct seq_file *seq, |
| 1152 | struct batadv_hard_iface *hard_iface); |
Antonio Quartulli | d0015fd | 2013-09-03 11:10:23 +0200 | [diff] [blame] | 1153 | void (*bat_orig_free)(struct batadv_orig_node *orig_node); |
| 1154 | int (*bat_orig_add_if)(struct batadv_orig_node *orig_node, |
| 1155 | int max_if_num); |
| 1156 | int (*bat_orig_del_if)(struct batadv_orig_node *orig_node, |
| 1157 | int max_if_num, int del_if_num); |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 1158 | }; |
| 1159 | |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 1160 | /** |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 1161 | * struct batadv_dat_entry - it is a single entry of batman-adv ARP backend. It |
| 1162 | * is used to stored ARP entries needed for the global DAT cache |
| 1163 | * @ip: the IPv4 corresponding to this DAT/ARP entry |
| 1164 | * @mac_addr: the MAC address associated to the stored IPv4 |
Antonio Quartulli | be1db4f | 2013-06-04 12:11:43 +0200 | [diff] [blame] | 1165 | * @vid: the vlan ID associated to this entry |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 1166 | * @last_update: time in jiffies when this entry was refreshed last time |
| 1167 | * @hash_entry: hlist node for batadv_priv_dat::hash |
| 1168 | * @refcount: number of contexts the object is used |
| 1169 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1170 | */ |
| 1171 | struct batadv_dat_entry { |
| 1172 | __be32 ip; |
| 1173 | uint8_t mac_addr[ETH_ALEN]; |
Antonio Quartulli | be1db4f | 2013-06-04 12:11:43 +0200 | [diff] [blame] | 1174 | unsigned short vid; |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 1175 | unsigned long last_update; |
| 1176 | struct hlist_node hash_entry; |
| 1177 | atomic_t refcount; |
| 1178 | struct rcu_head rcu; |
| 1179 | }; |
| 1180 | |
| 1181 | /** |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 1182 | * struct batadv_hw_addr - a list entry for a MAC address |
| 1183 | * @list: list node for the linking of entries |
| 1184 | * @addr: the MAC address of this list entry |
| 1185 | */ |
| 1186 | struct batadv_hw_addr { |
| 1187 | struct hlist_node list; |
| 1188 | unsigned char addr[ETH_ALEN]; |
| 1189 | }; |
| 1190 | |
| 1191 | /** |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 1192 | * struct batadv_dat_candidate - candidate destination for DAT operations |
| 1193 | * @type: the type of the selected candidate. It can one of the following: |
| 1194 | * - BATADV_DAT_CANDIDATE_NOT_FOUND |
| 1195 | * - BATADV_DAT_CANDIDATE_ORIG |
| 1196 | * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to the |
| 1197 | * corresponding originator node structure |
| 1198 | */ |
| 1199 | struct batadv_dat_candidate { |
| 1200 | int type; |
| 1201 | struct batadv_orig_node *orig_node; |
| 1202 | }; |
| 1203 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 1204 | /** |
| 1205 | * struct batadv_tvlv_container - container for tvlv appended to OGMs |
| 1206 | * @list: hlist node for batadv_priv_tvlv::container_list |
| 1207 | * @tvlv_hdr: tvlv header information needed to construct the tvlv |
| 1208 | * @value_len: length of the buffer following this struct which contains |
| 1209 | * the actual tvlv payload |
| 1210 | * @refcount: number of contexts the object is used |
| 1211 | */ |
| 1212 | struct batadv_tvlv_container { |
| 1213 | struct hlist_node list; |
| 1214 | struct batadv_tvlv_hdr tvlv_hdr; |
| 1215 | atomic_t refcount; |
| 1216 | }; |
| 1217 | |
| 1218 | /** |
| 1219 | * struct batadv_tvlv_handler - handler for specific tvlv type and version |
| 1220 | * @list: hlist node for batadv_priv_tvlv::handler_list |
| 1221 | * @ogm_handler: handler callback which is given the tvlv payload to process on |
| 1222 | * incoming OGM packets |
| 1223 | * @unicast_handler: handler callback which is given the tvlv payload to process |
| 1224 | * on incoming unicast tvlv packets |
| 1225 | * @type: tvlv type this handler feels responsible for |
| 1226 | * @version: tvlv version this handler feels responsible for |
| 1227 | * @flags: tvlv handler flags |
| 1228 | * @refcount: number of contexts the object is used |
| 1229 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1230 | */ |
| 1231 | struct batadv_tvlv_handler { |
| 1232 | struct hlist_node list; |
| 1233 | void (*ogm_handler)(struct batadv_priv *bat_priv, |
| 1234 | struct batadv_orig_node *orig, |
| 1235 | uint8_t flags, |
| 1236 | void *tvlv_value, uint16_t tvlv_value_len); |
| 1237 | int (*unicast_handler)(struct batadv_priv *bat_priv, |
| 1238 | uint8_t *src, uint8_t *dst, |
| 1239 | void *tvlv_value, uint16_t tvlv_value_len); |
| 1240 | uint8_t type; |
| 1241 | uint8_t version; |
| 1242 | uint8_t flags; |
| 1243 | atomic_t refcount; |
| 1244 | struct rcu_head rcu; |
| 1245 | }; |
| 1246 | |
| 1247 | /** |
| 1248 | * enum batadv_tvlv_handler_flags - tvlv handler flags definitions |
| 1249 | * @BATADV_TVLV_HANDLER_OGM_CIFNOTFND: tvlv ogm processing function will call |
| 1250 | * this handler even if its type was not found (with no data) |
| 1251 | * @BATADV_TVLV_HANDLER_OGM_CALLED: interval tvlv handling flag - the API marks |
| 1252 | * a handler as being called, so it won't be called if the |
| 1253 | * BATADV_TVLV_HANDLER_OGM_CIFNOTFND flag was set |
| 1254 | */ |
| 1255 | enum batadv_tvlv_handler_flags { |
| 1256 | BATADV_TVLV_HANDLER_OGM_CIFNOTFND = BIT(1), |
| 1257 | BATADV_TVLV_HANDLER_OGM_CALLED = BIT(2), |
| 1258 | }; |
| 1259 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1260 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |