Sven Eckelmann | 0046b04 | 2016-01-01 00:01:03 +0100 | [diff] [blame] | 1 | /* Copyright (C) 2007-2016 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 | |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 21 | #ifndef _NET_BATMAN_ADV_MAIN_H_ |
| 22 | #error only "main.h" can be included directly |
| 23 | #endif |
| 24 | |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 25 | #include <linux/average.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 26 | #include <linux/bitops.h> |
| 27 | #include <linux/compiler.h> |
| 28 | #include <linux/if_ether.h> |
Sven Eckelmann | 90f564d | 2016-01-16 10:29:40 +0100 | [diff] [blame] | 29 | #include <linux/kref.h> |
Sven Eckelmann | 5841c1b | 2020-03-16 23:31:03 +0100 | [diff] [blame] | 30 | #include <linux/mutex.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 31 | #include <linux/netdevice.h> |
Matthias Schiffer | 85cf8c8 | 2016-07-03 13:31:39 +0200 | [diff] [blame] | 32 | #include <linux/netlink.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 33 | #include <linux/sched.h> /* for linux/wait.h */ |
| 34 | #include <linux/spinlock.h> |
| 35 | #include <linux/types.h> |
| 36 | #include <linux/wait.h> |
| 37 | #include <linux/workqueue.h> |
Antonio Quartulli | 33a3bb4 | 2016-05-05 13:09:43 +0200 | [diff] [blame] | 38 | #include <uapi/linux/batman_adv.h> |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 39 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 40 | #include "packet.h" |
Sven Eckelmann | 1e2c2a4 | 2015-04-17 19:40:28 +0200 | [diff] [blame] | 41 | |
| 42 | struct seq_file; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 43 | |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 44 | #ifdef CONFIG_BATMAN_ADV_DAT |
| 45 | |
Antonio Quartulli | 151dcb3 | 2014-02-22 17:02:38 +0100 | [diff] [blame] | 46 | /** |
| 47 | * batadv_dat_addr_t - it is the type used for all DHT addresses. If it is |
| 48 | * changed, BATADV_DAT_ADDR_MAX is changed as well. |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 49 | * |
| 50 | * *Please be careful: batadv_dat_addr_t must be UNSIGNED* |
| 51 | */ |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 52 | #define batadv_dat_addr_t u16 |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 53 | |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 54 | #endif /* CONFIG_BATMAN_ADV_DAT */ |
| 55 | |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 56 | /** |
Antonio Quartulli | 6c413b1 | 2013-11-05 19:31:08 +0100 | [diff] [blame] | 57 | * enum batadv_dhcp_recipient - dhcp destination |
| 58 | * @BATADV_DHCP_NO: packet is not a dhcp message |
| 59 | * @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server |
| 60 | * @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client |
| 61 | */ |
| 62 | enum batadv_dhcp_recipient { |
| 63 | BATADV_DHCP_NO = 0, |
| 64 | BATADV_DHCP_TO_SERVER, |
| 65 | BATADV_DHCP_TO_CLIENT, |
| 66 | }; |
| 67 | |
| 68 | /** |
Antonio Quartulli | 3c4f7ab | 2013-10-13 02:50:19 +0200 | [diff] [blame] | 69 | * BATADV_TT_REMOTE_MASK - bitmask selecting the flags that are sent over the |
| 70 | * wire only |
| 71 | */ |
| 72 | #define BATADV_TT_REMOTE_MASK 0x00FF |
| 73 | |
| 74 | /** |
Antonio Quartulli | 0eb01568 | 2013-10-13 02:50:20 +0200 | [diff] [blame] | 75 | * BATADV_TT_SYNC_MASK - bitmask of the flags that need to be kept in sync |
| 76 | * among the nodes. These flags are used to compute the global/local CRC |
| 77 | */ |
| 78 | #define BATADV_TT_SYNC_MASK 0x00F0 |
| 79 | |
| 80 | /** |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 81 | * struct batadv_hard_iface_bat_iv - per hard-interface B.A.T.M.A.N. IV data |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 82 | * @ogm_buff: buffer holding the OGM packet |
| 83 | * @ogm_buff_len: length of the OGM packet buffer |
| 84 | * @ogm_seqno: OGM sequence number - used to identify each OGM |
Sven Eckelmann | 1f9fd18 | 2020-03-16 23:31:04 +0100 | [diff] [blame] | 85 | * @ogm_buff_mutex: lock protecting ogm_buff and ogm_buff_len |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 86 | */ |
| 87 | struct batadv_hard_iface_bat_iv { |
| 88 | unsigned char *ogm_buff; |
| 89 | int ogm_buff_len; |
| 90 | atomic_t ogm_seqno; |
Sven Eckelmann | 1f9fd18 | 2020-03-16 23:31:04 +0100 | [diff] [blame] | 91 | struct mutex ogm_buff_mutex; |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 92 | }; |
| 93 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 94 | /** |
Antonio Quartulli | c833484 | 2015-11-10 18:50:51 +0100 | [diff] [blame] | 95 | * enum batadv_v_hard_iface_flags - interface flags useful to B.A.T.M.A.N. V |
| 96 | * @BATADV_FULL_DUPLEX: tells if the connection over this link is full-duplex |
| 97 | * @BATADV_WARNING_DEFAULT: tells whether we have warned the user that no |
| 98 | * throughput data is available for this interface and that default values are |
| 99 | * assumed. |
| 100 | */ |
| 101 | enum batadv_v_hard_iface_flags { |
| 102 | BATADV_FULL_DUPLEX = BIT(0), |
| 103 | BATADV_WARNING_DEFAULT = BIT(1), |
| 104 | }; |
| 105 | |
| 106 | /** |
Linus Luessing | d6f94d9 | 2016-01-16 16:40:09 +0800 | [diff] [blame] | 107 | * struct batadv_hard_iface_bat_v - per hard-interface B.A.T.M.A.N. V data |
| 108 | * @elp_interval: time interval between two ELP transmissions |
| 109 | * @elp_seqno: current ELP sequence number |
| 110 | * @elp_skb: base skb containing the ELP message to send |
| 111 | * @elp_wq: workqueue used to schedule ELP transmissions |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 112 | * @throughput_override: throughput override to disable link auto-detection |
Antonio Quartulli | c833484 | 2015-11-10 18:50:51 +0100 | [diff] [blame] | 113 | * @flags: interface specific flags |
Linus Luessing | d6f94d9 | 2016-01-16 16:40:09 +0800 | [diff] [blame] | 114 | */ |
| 115 | struct batadv_hard_iface_bat_v { |
| 116 | atomic_t elp_interval; |
| 117 | atomic_t elp_seqno; |
| 118 | struct sk_buff *elp_skb; |
| 119 | struct delayed_work elp_wq; |
Antonio Quartulli | 0b5ecc6 | 2016-01-16 16:40:14 +0800 | [diff] [blame] | 120 | atomic_t throughput_override; |
Antonio Quartulli | c833484 | 2015-11-10 18:50:51 +0100 | [diff] [blame] | 121 | u8 flags; |
Linus Luessing | d6f94d9 | 2016-01-16 16:40:09 +0800 | [diff] [blame] | 122 | }; |
| 123 | |
| 124 | /** |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 125 | * struct batadv_hard_iface - network device known to batman-adv |
| 126 | * @list: list node for batadv_hardif_list |
| 127 | * @if_num: identificator of the interface |
| 128 | * @if_status: status of the interface for batman-adv |
| 129 | * @net_dev: pointer to the net_device |
Matthias Schiffer | caf65bf | 2013-03-09 23:14:23 +0100 | [diff] [blame] | 130 | * @num_bcasts: number of payload re-broadcasts on this interface (ARQ) |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 131 | * @hardif_obj: kobject of the per interface sysfs "mesh" directory |
| 132 | * @refcount: number of contexts the object is used |
| 133 | * @batman_adv_ptype: packet type describing packets that should be processed by |
| 134 | * batman-adv for this interface |
| 135 | * @soft_iface: the batman-adv interface which uses this network interface |
| 136 | * @rcu: struct used for freeing in an RCU-safe manner |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 137 | * @bat_iv: per hard-interface B.A.T.M.A.N. IV data |
Linus Luessing | d6f94d9 | 2016-01-16 16:40:09 +0800 | [diff] [blame] | 138 | * @bat_v: per hard-interface B.A.T.M.A.N. V data |
Simon Wunderlich | 5bc7c1e | 2013-11-21 14:16:12 +0100 | [diff] [blame] | 139 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs |
Marek Lindner | cef6341 | 2015-08-04 21:09:55 +0800 | [diff] [blame] | 140 | * @neigh_list: list of unique single hop neighbors via this interface |
| 141 | * @neigh_list_lock: lock protecting neigh_list |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 142 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 143 | struct batadv_hard_iface { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 144 | struct list_head list; |
Sven Eckelmann | 8142ea6 | 2020-03-16 23:30:53 +0100 | [diff] [blame] | 145 | unsigned int if_num; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 146 | char if_status; |
| 147 | struct net_device *net_dev; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 148 | u8 num_bcasts; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 149 | struct kobject *hardif_obj; |
Sven Eckelmann | 7a659d5 | 2016-01-16 10:29:54 +0100 | [diff] [blame] | 150 | struct kref refcount; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 151 | struct packet_type batman_adv_ptype; |
| 152 | struct net_device *soft_iface; |
| 153 | struct rcu_head rcu; |
Marek Lindner | 1451151 | 2012-08-02 17:20:26 +0200 | [diff] [blame] | 154 | struct batadv_hard_iface_bat_iv bat_iv; |
Linus Luessing | d6f94d9 | 2016-01-16 16:40:09 +0800 | [diff] [blame] | 155 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
| 156 | struct batadv_hard_iface_bat_v bat_v; |
| 157 | #endif |
Simon Wunderlich | 5bc7c1e | 2013-11-21 14:16:12 +0100 | [diff] [blame] | 158 | struct dentry *debug_dir; |
Marek Lindner | cef6341 | 2015-08-04 21:09:55 +0800 | [diff] [blame] | 159 | struct hlist_head neigh_list; |
| 160 | /* neigh_list_lock protects: neigh_list */ |
| 161 | spinlock_t neigh_list_lock; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 162 | }; |
| 163 | |
Ben Hutchings | 2c53040 | 2012-07-10 10:55:09 +0000 | [diff] [blame] | 164 | /** |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 165 | * struct batadv_orig_ifinfo - originator info per outgoing interface |
| 166 | * @list: list node for orig_node::ifinfo_list |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 167 | * @if_outgoing: pointer to outgoing hard-interface |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 168 | * @router: router that should be used to reach this originator |
| 169 | * @last_real_seqno: last and best known sequence number |
| 170 | * @last_ttl: ttl of last received packet |
Antonio Quartulli | 9323158 | 2016-01-16 16:40:13 +0800 | [diff] [blame] | 171 | * @last_seqno_forwarded: seqno of the OGM which was forwarded last |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 172 | * @batman_seqno_reset: time when the batman seqno window was reset |
| 173 | * @refcount: number of contexts the object is used |
| 174 | * @rcu: struct used for freeing in an RCU-safe manner |
| 175 | */ |
| 176 | struct batadv_orig_ifinfo { |
| 177 | struct hlist_node list; |
| 178 | struct batadv_hard_iface *if_outgoing; |
| 179 | struct batadv_neigh_node __rcu *router; /* rcu protected pointer */ |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 180 | u32 last_real_seqno; |
| 181 | u8 last_ttl; |
Antonio Quartulli | 9323158 | 2016-01-16 16:40:13 +0800 | [diff] [blame] | 182 | u32 last_seqno_forwarded; |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 183 | unsigned long batman_seqno_reset; |
Sven Eckelmann | a6ba0d3 | 2016-01-16 10:29:52 +0100 | [diff] [blame] | 184 | struct kref refcount; |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 185 | struct rcu_head rcu; |
| 186 | }; |
| 187 | |
| 188 | /** |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 189 | * struct batadv_frag_table_entry - head in the fragment buffer table |
| 190 | * @head: head of list with fragments |
| 191 | * @lock: lock to protect the list of fragments |
| 192 | * @timestamp: time (jiffie) of last received fragment |
| 193 | * @seqno: sequence number of the fragments in the list |
| 194 | * @size: accumulated size of packets in list |
Sven Eckelmann | 53e7714 | 2014-12-01 10:37:27 +0100 | [diff] [blame] | 195 | * @total_size: expected size of the assembled packet |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 196 | */ |
| 197 | struct batadv_frag_table_entry { |
| 198 | struct hlist_head head; |
| 199 | spinlock_t lock; /* protects head */ |
| 200 | unsigned long timestamp; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 201 | u16 seqno; |
| 202 | u16 size; |
| 203 | u16 total_size; |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 204 | }; |
| 205 | |
| 206 | /** |
| 207 | * struct batadv_frag_list_entry - entry in a list of fragments |
| 208 | * @list: list node information |
| 209 | * @skb: fragment |
| 210 | * @no: fragment number in the set |
| 211 | */ |
| 212 | struct batadv_frag_list_entry { |
| 213 | struct hlist_node list; |
| 214 | struct sk_buff *skb; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 215 | u8 no; |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 216 | }; |
| 217 | |
| 218 | /** |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 219 | * struct batadv_vlan_tt - VLAN specific TT attributes |
| 220 | * @crc: CRC32 checksum of the entries belonging to this vlan |
| 221 | * @num_entries: number of TT entries for this VLAN |
| 222 | */ |
| 223 | struct batadv_vlan_tt { |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 224 | u32 crc; |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 225 | atomic_t num_entries; |
| 226 | }; |
| 227 | |
| 228 | /** |
Simon Wunderlich | 1a321b0 | 2014-01-24 22:16:25 +0100 | [diff] [blame] | 229 | * struct batadv_orig_node_vlan - VLAN specific data per orig_node |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 230 | * @vid: the VLAN identifier |
| 231 | * @tt: VLAN specific TT attributes |
| 232 | * @list: list node for orig_node::vlan_list |
| 233 | * @refcount: number of context where this object is currently in use |
| 234 | * @rcu: struct used for freeing in a RCU-safe manner |
| 235 | */ |
| 236 | struct batadv_orig_node_vlan { |
| 237 | unsigned short vid; |
| 238 | struct batadv_vlan_tt tt; |
Marek Lindner | d0fa4f3 | 2015-06-22 00:30:22 +0800 | [diff] [blame] | 239 | struct hlist_node list; |
Sven Eckelmann | 161a3be | 2016-01-16 10:29:55 +0100 | [diff] [blame] | 240 | struct kref refcount; |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 241 | struct rcu_head rcu; |
| 242 | }; |
| 243 | |
| 244 | /** |
Antonio Quartulli | bbad0a5 | 2013-09-02 12:15:02 +0200 | [diff] [blame] | 245 | * struct batadv_orig_bat_iv - B.A.T.M.A.N. IV private orig_node members |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 246 | * @bcast_own: set of bitfields (one per hard-interface) where each one counts |
Markus Pargmann | 2110262 | 2014-12-26 12:41:37 +0100 | [diff] [blame] | 247 | * the number of our OGMs this orig_node rebroadcasted "back" to us (relative |
| 248 | * to last_real_seqno). Every bitfield is BATADV_TQ_LOCAL_WINDOW_SIZE bits long. |
| 249 | * @bcast_own_sum: sum of bcast_own |
Antonio Quartulli | bbad0a5 | 2013-09-02 12:15:02 +0200 | [diff] [blame] | 250 | * @ogm_cnt_lock: lock protecting bcast_own, bcast_own_sum, |
| 251 | * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count |
| 252 | */ |
| 253 | struct batadv_orig_bat_iv { |
| 254 | unsigned long *bcast_own; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 255 | u8 *bcast_own_sum; |
Antonio Quartulli | bbad0a5 | 2013-09-02 12:15:02 +0200 | [diff] [blame] | 256 | /* ogm_cnt_lock protects: bcast_own, bcast_own_sum, |
| 257 | * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count |
| 258 | */ |
| 259 | spinlock_t ogm_cnt_lock; |
| 260 | }; |
| 261 | |
| 262 | /** |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 263 | * struct batadv_orig_node - structure for orig_list maintaining nodes of mesh |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 264 | * @orig: originator ethernet address |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 265 | * @ifinfo_list: list for routers per outgoing interface |
Simon Wunderlich | f3b3d90 | 2013-11-13 19:14:50 +0100 | [diff] [blame] | 266 | * @last_bonding_candidate: pointer to last ifinfo of last used router |
Sven Eckelmann | 006a199 | 2015-09-06 21:38:46 +0200 | [diff] [blame] | 267 | * @dat_addr: address of the orig node in the distributed hash |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 268 | * @last_seen: time when last packet from this node was received |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 269 | * @bcast_seqno_reset: time when the broadcast seqno window was reset |
Linus Lüssing | 8a4023c | 2015-06-16 17:10:26 +0200 | [diff] [blame] | 270 | * @mcast_handler_lock: synchronizes mcast-capability and -flag changes |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 271 | * @mcast_flags: multicast flags announced by the orig node |
Sven Eckelmann | 006a199 | 2015-09-06 21:38:46 +0200 | [diff] [blame] | 272 | * @mcast_want_all_unsnoopables_node: a list node for the |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 273 | * mcast.want_all_unsnoopables list |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 274 | * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4 list |
| 275 | * @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] | 276 | * @capabilities: announced capabilities of this originator |
Linus Lüssing | e17931d | 2014-02-15 17:47:50 +0100 | [diff] [blame] | 277 | * @capa_initialized: bitfield to remember whether a capability was initialized |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 278 | * @last_ttvn: last seen translation table version number |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 279 | * @tt_buff: last tt changeset this node received from the orig node |
| 280 | * @tt_buff_len: length of the last tt changeset this node received from the |
| 281 | * orig node |
| 282 | * @tt_buff_lock: lock that protects tt_buff and tt_buff_len |
Antonio Quartulli | a70a9aa | 2013-07-30 22:16:24 +0200 | [diff] [blame] | 283 | * @tt_lock: prevents from updating the table while reading it. Table update is |
| 284 | * made up by two operations (data structure update and metdata -CRC/TTVN- |
| 285 | * recalculation) and they have to be executed atomically in order to avoid |
| 286 | * another thread to read the table/metadata between those. |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 287 | * @bcast_bits: bitfield containing the info which payload broadcast originated |
| 288 | * from this orig node this host already has seen (relative to |
| 289 | * last_bcast_seqno) |
Marek Lindner | b6d0ab7 | 2012-12-25 17:03:19 +0800 | [diff] [blame] | 290 | * @last_bcast_seqno: last broadcast sequence number received by this host |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 291 | * @neigh_list: list of potential next hop neighbor towards this orig node |
Simon Wunderlich | f6c8b71 | 2013-11-13 19:14:45 +0100 | [diff] [blame] | 292 | * @neigh_list_lock: lock protecting neigh_list and router |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 293 | * @hash_entry: hlist node for batadv_priv::orig_hash |
| 294 | * @bat_priv: pointer to soft_iface this orig node belongs to |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 295 | * @bcast_seqno_lock: lock protecting bcast_bits & last_bcast_seqno |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 296 | * @refcount: number of contexts the object is used |
| 297 | * @rcu: struct used for freeing in an RCU-safe manner |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 298 | * @in_coding_list: list of nodes this orig can hear |
| 299 | * @out_coding_list: list of nodes that can hear this orig |
| 300 | * @in_coding_list_lock: protects in_coding_list |
| 301 | * @out_coding_list_lock: protects out_coding_list |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 302 | * @fragments: array with heads for fragment chains |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 303 | * @vlan_list: a list of orig_node_vlan structs, one per VLAN served by the |
| 304 | * originator represented by this object |
| 305 | * @vlan_list_lock: lock protecting vlan_list |
Antonio Quartulli | bbad0a5 | 2013-09-02 12:15:02 +0200 | [diff] [blame] | 306 | * @bat_iv: B.A.T.M.A.N. IV private structure |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 307 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 308 | struct batadv_orig_node { |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 309 | u8 orig[ETH_ALEN]; |
Simon Wunderlich | 7351a482 | 2013-11-13 19:14:47 +0100 | [diff] [blame] | 310 | struct hlist_head ifinfo_list; |
Simon Wunderlich | f3b3d90 | 2013-11-13 19:14:50 +0100 | [diff] [blame] | 311 | struct batadv_orig_ifinfo *last_bonding_candidate; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 312 | #ifdef CONFIG_BATMAN_ADV_DAT |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 313 | batadv_dat_addr_t dat_addr; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 314 | #endif |
Marek Lindner | d7b2a97 | 2012-03-01 15:35:19 +0800 | [diff] [blame] | 315 | unsigned long last_seen; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 316 | unsigned long bcast_seqno_reset; |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 317 | #ifdef CONFIG_BATMAN_ADV_MCAST |
Linus Lüssing | 8a4023c | 2015-06-16 17:10:26 +0200 | [diff] [blame] | 318 | /* synchronizes mcast tvlv specific orig changes */ |
| 319 | spinlock_t mcast_handler_lock; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 320 | u8 mcast_flags; |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 321 | struct hlist_node mcast_want_all_unsnoopables_node; |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 322 | struct hlist_node mcast_want_all_ipv4_node; |
| 323 | struct hlist_node mcast_want_all_ipv6_node; |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 324 | #endif |
Linus Lüssing | 65d7d460 | 2015-06-16 17:10:22 +0200 | [diff] [blame] | 325 | unsigned long capabilities; |
Linus Lüssing | ac4eebd | 2015-06-16 17:10:24 +0200 | [diff] [blame] | 326 | unsigned long capa_initialized; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 327 | atomic_t last_ttvn; |
Antonio Quartulli | 2dafb49 | 2011-05-05 08:42:45 +0200 | [diff] [blame] | 328 | unsigned char *tt_buff; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 329 | s16 tt_buff_len; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 330 | spinlock_t tt_buff_lock; /* protects tt_buff & tt_buff_len */ |
Antonio Quartulli | a70a9aa | 2013-07-30 22:16:24 +0200 | [diff] [blame] | 331 | /* prevents from changing the table while reading it */ |
| 332 | spinlock_t tt_lock; |
Sven Eckelmann | 42d0b04 | 2012-06-03 22:19:17 +0200 | [diff] [blame] | 333 | DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 334 | u32 last_bcast_seqno; |
Marek Lindner | 9591a79 | 2010-12-12 21:57:11 +0000 | [diff] [blame] | 335 | struct hlist_head neigh_list; |
Sven Eckelmann | 15c2ed7 | 2016-06-30 20:11:34 +0200 | [diff] [blame] | 336 | /* neigh_list_lock protects: neigh_list, ifinfo_list, |
| 337 | * last_bonding_candidate and router |
| 338 | */ |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 339 | spinlock_t neigh_list_lock; |
Marek Lindner | 7aadf88 | 2011-02-18 12:28:09 +0000 | [diff] [blame] | 340 | struct hlist_node hash_entry; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 341 | struct batadv_priv *bat_priv; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 342 | /* bcast_seqno_lock protects: bcast_bits & last_bcast_seqno */ |
Sven Eckelmann | 6e215fd | 2011-05-08 12:45:45 +0200 | [diff] [blame] | 343 | spinlock_t bcast_seqno_lock; |
Sven Eckelmann | 7c12439 | 2016-01-16 10:29:56 +0100 | [diff] [blame] | 344 | struct kref refcount; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 345 | struct rcu_head rcu; |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 346 | #ifdef CONFIG_BATMAN_ADV_NC |
| 347 | struct list_head in_coding_list; |
| 348 | struct list_head out_coding_list; |
| 349 | spinlock_t in_coding_list_lock; /* Protects in_coding_list */ |
| 350 | spinlock_t out_coding_list_lock; /* Protects out_coding_list */ |
| 351 | #endif |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 352 | struct batadv_frag_table_entry fragments[BATADV_FRAG_BUFFER_COUNT]; |
Marek Lindner | d0fa4f3 | 2015-06-22 00:30:22 +0800 | [diff] [blame] | 353 | struct hlist_head vlan_list; |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 354 | spinlock_t vlan_list_lock; /* protects vlan_list */ |
Antonio Quartulli | bbad0a5 | 2013-09-02 12:15:02 +0200 | [diff] [blame] | 355 | struct batadv_orig_bat_iv bat_iv; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 356 | }; |
| 357 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 358 | /** |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 359 | * enum batadv_orig_capabilities - orig node capabilities |
| 360 | * @BATADV_ORIG_CAPA_HAS_DAT: orig node has distributed arp table enabled |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame] | 361 | * @BATADV_ORIG_CAPA_HAS_NC: orig node has network coding enabled |
Linus Lüssing | e17931d | 2014-02-15 17:47:50 +0100 | [diff] [blame] | 362 | * @BATADV_ORIG_CAPA_HAS_TT: orig node has tt capability |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 363 | * @BATADV_ORIG_CAPA_HAS_MCAST: orig node has some multicast capability |
| 364 | * (= orig node announces a tvlv of type BATADV_TVLV_MCAST) |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 365 | */ |
| 366 | enum batadv_orig_capabilities { |
Linus Lüssing | 65d7d460 | 2015-06-16 17:10:22 +0200 | [diff] [blame] | 367 | BATADV_ORIG_CAPA_HAS_DAT, |
Linus Lüssing | 4635469 | 2015-06-16 17:10:23 +0200 | [diff] [blame] | 368 | BATADV_ORIG_CAPA_HAS_NC, |
Linus Lüssing | ac4eebd | 2015-06-16 17:10:24 +0200 | [diff] [blame] | 369 | BATADV_ORIG_CAPA_HAS_TT, |
Linus Lüssing | 9c936e3 | 2015-06-16 17:10:25 +0200 | [diff] [blame] | 370 | BATADV_ORIG_CAPA_HAS_MCAST, |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 371 | }; |
| 372 | |
| 373 | /** |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 374 | * struct batadv_gw_node - structure for orig nodes announcing gw capabilities |
| 375 | * @list: list node for batadv_priv_gw::list |
| 376 | * @orig_node: pointer to corresponding orig node |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 377 | * @bandwidth_down: advertised uplink download bandwidth |
| 378 | * @bandwidth_up: advertised uplink upload bandwidth |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 379 | * @refcount: number of contexts the object is used |
| 380 | * @rcu: struct used for freeing in an RCU-safe manner |
| 381 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 382 | struct batadv_gw_node { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 383 | struct hlist_node list; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 384 | struct batadv_orig_node *orig_node; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 385 | u32 bandwidth_down; |
| 386 | u32 bandwidth_up; |
Sven Eckelmann | e7aed32 | 2016-01-16 10:29:41 +0100 | [diff] [blame] | 387 | struct kref refcount; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 388 | struct rcu_head rcu; |
| 389 | }; |
| 390 | |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 391 | DECLARE_EWMA(throughput, 1024, 8) |
| 392 | |
| 393 | /** |
| 394 | * struct batadv_hardif_neigh_node_bat_v - B.A.T.M.A.N. V private neighbor |
| 395 | * information |
| 396 | * @throughput: ewma link throughput towards this neighbor |
| 397 | * @elp_interval: time interval between two ELP transmissions |
| 398 | * @elp_latest_seqno: latest and best known ELP sequence number |
Antonio Quartulli | 95d3927 | 2016-01-16 16:40:15 +0800 | [diff] [blame] | 399 | * @last_unicast_tx: when the last unicast packet has been sent to this neighbor |
Antonio Quartulli | c833484 | 2015-11-10 18:50:51 +0100 | [diff] [blame] | 400 | * @metric_work: work queue callback item for metric update |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 401 | */ |
| 402 | struct batadv_hardif_neigh_node_bat_v { |
| 403 | struct ewma_throughput throughput; |
| 404 | u32 elp_interval; |
| 405 | u32 elp_latest_seqno; |
Antonio Quartulli | 95d3927 | 2016-01-16 16:40:15 +0800 | [diff] [blame] | 406 | unsigned long last_unicast_tx; |
Antonio Quartulli | c833484 | 2015-11-10 18:50:51 +0100 | [diff] [blame] | 407 | struct work_struct metric_work; |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 408 | }; |
| 409 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 410 | /** |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 411 | * struct batadv_hardif_neigh_node - unique neighbor per hard-interface |
Marek Lindner | cef6341 | 2015-08-04 21:09:55 +0800 | [diff] [blame] | 412 | * @list: list node for batadv_hard_iface::neigh_list |
| 413 | * @addr: the MAC address of the neighboring interface |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 414 | * @if_incoming: pointer to incoming hard-interface |
| 415 | * @last_seen: when last packet via this neighbor was received |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 416 | * @bat_v: B.A.T.M.A.N. V private data |
Marek Lindner | cef6341 | 2015-08-04 21:09:55 +0800 | [diff] [blame] | 417 | * @refcount: number of contexts the object is used |
| 418 | * @rcu: struct used for freeing in a RCU-safe manner |
| 419 | */ |
| 420 | struct batadv_hardif_neigh_node { |
| 421 | struct hlist_node list; |
| 422 | u8 addr[ETH_ALEN]; |
| 423 | struct batadv_hard_iface *if_incoming; |
| 424 | unsigned long last_seen; |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 425 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
| 426 | struct batadv_hardif_neigh_node_bat_v bat_v; |
| 427 | #endif |
Sven Eckelmann | 90f564d | 2016-01-16 10:29:40 +0100 | [diff] [blame] | 428 | struct kref refcount; |
Marek Lindner | cef6341 | 2015-08-04 21:09:55 +0800 | [diff] [blame] | 429 | struct rcu_head rcu; |
| 430 | }; |
| 431 | |
| 432 | /** |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 433 | * struct batadv_neigh_node - structure for single hops neighbors |
| 434 | * @list: list node for batadv_orig_node::neigh_list |
| 435 | * @orig_node: pointer to corresponding orig_node |
| 436 | * @addr: the MAC address of the neighboring interface |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 437 | * @ifinfo_list: list for routing metrics per outgoing interface |
| 438 | * @ifinfo_lock: lock protecting private ifinfo members and list |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 439 | * @if_incoming: pointer to incoming hard-interface |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 440 | * @last_seen: when last packet via this neighbor was received |
Sven Eckelmann | abe59c6 | 2016-03-11 16:44:06 +0100 | [diff] [blame] | 441 | * @hardif_neigh: hardif_neigh of this neighbor |
Sven Eckelmann | ed21d17 | 2015-09-06 21:38:48 +0200 | [diff] [blame] | 442 | * @refcount: number of contexts the object is used |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 443 | * @rcu: struct used for freeing in an RCU-safe manner |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 444 | */ |
| 445 | struct batadv_neigh_node { |
| 446 | struct hlist_node list; |
| 447 | struct batadv_orig_node *orig_node; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 448 | u8 addr[ETH_ALEN]; |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 449 | struct hlist_head ifinfo_list; |
| 450 | spinlock_t ifinfo_lock; /* protects ifinfo_list and its members */ |
Antonio Quartulli | 0538f75 | 2013-09-02 12:15:01 +0200 | [diff] [blame] | 451 | struct batadv_hard_iface *if_incoming; |
| 452 | unsigned long last_seen; |
Sven Eckelmann | abe59c6 | 2016-03-11 16:44:06 +0100 | [diff] [blame] | 453 | struct batadv_hardif_neigh_node *hardif_neigh; |
Sven Eckelmann | 77ae32e | 2016-01-16 10:29:53 +0100 | [diff] [blame] | 454 | struct kref refcount; |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 455 | struct rcu_head rcu; |
| 456 | }; |
| 457 | |
Simon Wunderlich | 1b371d1 | 2014-01-15 21:17:54 +0100 | [diff] [blame] | 458 | /** |
Simon Wunderlich | 1a321b0 | 2014-01-24 22:16:25 +0100 | [diff] [blame] | 459 | * struct batadv_neigh_ifinfo_bat_iv - neighbor information per outgoing |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 460 | * interface for B.A.T.M.A.N. IV |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 461 | * @tq_recv: ring buffer of received TQ values from this neigh node |
| 462 | * @tq_index: ring buffer index |
| 463 | * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv) |
| 464 | * @real_bits: bitfield containing the number of OGMs received from this neigh |
| 465 | * node (relative to orig_node->last_real_seqno) |
| 466 | * @real_packet_count: counted result of real_bits |
| 467 | */ |
| 468 | struct batadv_neigh_ifinfo_bat_iv { |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 469 | u8 tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; |
| 470 | u8 tq_index; |
| 471 | u8 tq_avg; |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 472 | DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 473 | u8 real_packet_count; |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 474 | }; |
| 475 | |
Simon Wunderlich | 1b371d1 | 2014-01-15 21:17:54 +0100 | [diff] [blame] | 476 | /** |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 477 | * struct batadv_neigh_ifinfo_bat_v - neighbor information per outgoing |
| 478 | * interface for B.A.T.M.A.N. V |
| 479 | * @throughput: last throughput metric received from originator via this neigh |
Antonio Quartulli | 9323158 | 2016-01-16 16:40:13 +0800 | [diff] [blame] | 480 | * @last_seqno: last sequence number known for this neighbor |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 481 | */ |
| 482 | struct batadv_neigh_ifinfo_bat_v { |
| 483 | u32 throughput; |
Antonio Quartulli | 9323158 | 2016-01-16 16:40:13 +0800 | [diff] [blame] | 484 | u32 last_seqno; |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 485 | }; |
| 486 | |
| 487 | /** |
Simon Wunderlich | 1b371d1 | 2014-01-15 21:17:54 +0100 | [diff] [blame] | 488 | * struct batadv_neigh_ifinfo - neighbor information per outgoing interface |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 489 | * @list: list node for batadv_neigh_node::ifinfo_list |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 490 | * @if_outgoing: pointer to outgoing hard-interface |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 491 | * @bat_iv: B.A.T.M.A.N. IV private structure |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 492 | * @bat_v: B.A.T.M.A.N. V private data |
Simon Wunderlich | 8965233 | 2013-11-13 19:14:46 +0100 | [diff] [blame] | 493 | * @last_ttl: last received ttl from this neigh node |
| 494 | * @refcount: number of contexts the object is used |
| 495 | * @rcu: struct used for freeing in a RCU-safe manner |
| 496 | */ |
| 497 | struct batadv_neigh_ifinfo { |
| 498 | struct hlist_node list; |
| 499 | struct batadv_hard_iface *if_outgoing; |
| 500 | struct batadv_neigh_ifinfo_bat_iv bat_iv; |
Linus Luessing | 162bd64 | 2016-01-16 16:40:10 +0800 | [diff] [blame] | 501 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
| 502 | struct batadv_neigh_ifinfo_bat_v bat_v; |
| 503 | #endif |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 504 | u8 last_ttl; |
Sven Eckelmann | 962c683 | 2016-01-16 10:29:51 +0100 | [diff] [blame] | 505 | struct kref refcount; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 506 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 507 | }; |
| 508 | |
Sven Eckelmann | 426fc6c | 2015-09-06 21:38:45 +0200 | [diff] [blame] | 509 | #ifdef CONFIG_BATMAN_ADV_BLA |
| 510 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 511 | /** |
| 512 | * struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression |
Sven Eckelmann | 006a199 | 2015-09-06 21:38:46 +0200 | [diff] [blame] | 513 | * @orig: mac address of orig node orginating the broadcast |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 514 | * @crc: crc32 checksum of broadcast payload |
| 515 | * @entrytime: time when the broadcast packet was received |
| 516 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 517 | struct batadv_bcast_duplist_entry { |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 518 | u8 orig[ETH_ALEN]; |
Simon Wunderlich | 004e86f | 2012-10-18 13:47:42 +0200 | [diff] [blame] | 519 | __be32 crc; |
Simon Wunderlich | fe2da6f | 2012-01-22 20:00:24 +0100 | [diff] [blame] | 520 | unsigned long entrytime; |
| 521 | }; |
Simon Wunderlich | 7a5cc24 | 2012-01-22 20:00:27 +0100 | [diff] [blame] | 522 | #endif |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 523 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 524 | /** |
| 525 | * enum batadv_counters - indices for traffic counters |
| 526 | * @BATADV_CNT_TX: transmitted payload traffic packet counter |
| 527 | * @BATADV_CNT_TX_BYTES: transmitted payload traffic bytes counter |
| 528 | * @BATADV_CNT_TX_DROPPED: dropped transmission payload traffic packet counter |
| 529 | * @BATADV_CNT_RX: received payload traffic packet counter |
| 530 | * @BATADV_CNT_RX_BYTES: received payload traffic bytes counter |
| 531 | * @BATADV_CNT_FORWARD: forwarded payload traffic packet counter |
| 532 | * @BATADV_CNT_FORWARD_BYTES: forwarded payload traffic bytes counter |
| 533 | * @BATADV_CNT_MGMT_TX: transmitted routing protocol traffic packet counter |
| 534 | * @BATADV_CNT_MGMT_TX_BYTES: transmitted routing protocol traffic bytes counter |
| 535 | * @BATADV_CNT_MGMT_RX: received routing protocol traffic packet counter |
| 536 | * @BATADV_CNT_MGMT_RX_BYTES: received routing protocol traffic bytes counter |
Martin Hundebøll | ee75ed8 | 2013-05-23 16:53:03 +0200 | [diff] [blame] | 537 | * @BATADV_CNT_FRAG_TX: transmitted fragment traffic packet counter |
| 538 | * @BATADV_CNT_FRAG_TX_BYTES: transmitted fragment traffic bytes counter |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 539 | * @BATADV_CNT_FRAG_RX: received fragment traffic packet counter |
| 540 | * @BATADV_CNT_FRAG_RX_BYTES: received fragment traffic bytes counter |
| 541 | * @BATADV_CNT_FRAG_FWD: forwarded fragment traffic packet counter |
| 542 | * @BATADV_CNT_FRAG_FWD_BYTES: forwarded fragment traffic bytes counter |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 543 | * @BATADV_CNT_TT_REQUEST_TX: transmitted tt req traffic packet counter |
| 544 | * @BATADV_CNT_TT_REQUEST_RX: received tt req traffic packet counter |
| 545 | * @BATADV_CNT_TT_RESPONSE_TX: transmitted tt resp traffic packet counter |
| 546 | * @BATADV_CNT_TT_RESPONSE_RX: received tt resp traffic packet counter |
| 547 | * @BATADV_CNT_TT_ROAM_ADV_TX: transmitted tt roam traffic packet counter |
| 548 | * @BATADV_CNT_TT_ROAM_ADV_RX: received tt roam traffic packet counter |
| 549 | * @BATADV_CNT_DAT_GET_TX: transmitted dht GET traffic packet counter |
| 550 | * @BATADV_CNT_DAT_GET_RX: received dht GET traffic packet counter |
| 551 | * @BATADV_CNT_DAT_PUT_TX: transmitted dht PUT traffic packet counter |
| 552 | * @BATADV_CNT_DAT_PUT_RX: received dht PUT traffic packet counter |
| 553 | * @BATADV_CNT_DAT_CACHED_REPLY_TX: transmitted dat cache reply traffic packet |
| 554 | * counter |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 555 | * @BATADV_CNT_NC_CODE: transmitted nc-combined traffic packet counter |
| 556 | * @BATADV_CNT_NC_CODE_BYTES: transmitted nc-combined traffic bytes counter |
| 557 | * @BATADV_CNT_NC_RECODE: transmitted nc-recombined traffic packet counter |
| 558 | * @BATADV_CNT_NC_RECODE_BYTES: transmitted nc-recombined traffic bytes counter |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 559 | * @BATADV_CNT_NC_BUFFER: counter for packets buffered for later nc decoding |
Martin Hundebøll | 2df5278 | 2013-01-25 11:12:43 +0100 | [diff] [blame] | 560 | * @BATADV_CNT_NC_DECODE: received and nc-decoded traffic packet counter |
| 561 | * @BATADV_CNT_NC_DECODE_BYTES: received and nc-decoded traffic bytes counter |
| 562 | * @BATADV_CNT_NC_DECODE_FAILED: received and decode-failed traffic packet |
| 563 | * counter |
| 564 | * @BATADV_CNT_NC_SNIFFED: counter for nc-decoded packets received in promisc |
| 565 | * mode. |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 566 | * @BATADV_CNT_NUM: number of traffic counters |
| 567 | */ |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 568 | enum batadv_counters { |
Marek Lindner | 1c9b055 | 2012-06-23 11:47:53 +0200 | [diff] [blame] | 569 | BATADV_CNT_TX, |
| 570 | BATADV_CNT_TX_BYTES, |
| 571 | BATADV_CNT_TX_DROPPED, |
| 572 | BATADV_CNT_RX, |
| 573 | BATADV_CNT_RX_BYTES, |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 574 | BATADV_CNT_FORWARD, |
| 575 | BATADV_CNT_FORWARD_BYTES, |
| 576 | BATADV_CNT_MGMT_TX, |
| 577 | BATADV_CNT_MGMT_TX_BYTES, |
| 578 | BATADV_CNT_MGMT_RX, |
| 579 | BATADV_CNT_MGMT_RX_BYTES, |
Martin Hundebøll | ee75ed8 | 2013-05-23 16:53:03 +0200 | [diff] [blame] | 580 | BATADV_CNT_FRAG_TX, |
| 581 | BATADV_CNT_FRAG_TX_BYTES, |
Martin Hundebøll | 610bfc6bc | 2013-05-23 16:53:02 +0200 | [diff] [blame] | 582 | BATADV_CNT_FRAG_RX, |
| 583 | BATADV_CNT_FRAG_RX_BYTES, |
| 584 | BATADV_CNT_FRAG_FWD, |
| 585 | BATADV_CNT_FRAG_FWD_BYTES, |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 586 | BATADV_CNT_TT_REQUEST_TX, |
| 587 | BATADV_CNT_TT_REQUEST_RX, |
| 588 | BATADV_CNT_TT_RESPONSE_TX, |
| 589 | BATADV_CNT_TT_RESPONSE_RX, |
| 590 | BATADV_CNT_TT_ROAM_ADV_TX, |
| 591 | BATADV_CNT_TT_ROAM_ADV_RX, |
Martin Hundebøll | 4046b24 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 592 | #ifdef CONFIG_BATMAN_ADV_DAT |
| 593 | BATADV_CNT_DAT_GET_TX, |
| 594 | BATADV_CNT_DAT_GET_RX, |
| 595 | BATADV_CNT_DAT_PUT_TX, |
| 596 | BATADV_CNT_DAT_PUT_RX, |
| 597 | BATADV_CNT_DAT_CACHED_REPLY_TX, |
| 598 | #endif |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 599 | #ifdef CONFIG_BATMAN_ADV_NC |
| 600 | BATADV_CNT_NC_CODE, |
| 601 | BATADV_CNT_NC_CODE_BYTES, |
| 602 | BATADV_CNT_NC_RECODE, |
| 603 | BATADV_CNT_NC_RECODE_BYTES, |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 604 | BATADV_CNT_NC_BUFFER, |
Martin Hundebøll | 2df5278 | 2013-01-25 11:12:43 +0100 | [diff] [blame] | 605 | BATADV_CNT_NC_DECODE, |
| 606 | BATADV_CNT_NC_DECODE_BYTES, |
| 607 | BATADV_CNT_NC_DECODE_FAILED, |
| 608 | BATADV_CNT_NC_SNIFFED, |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 609 | #endif |
Sven Eckelmann | d69909d | 2012-06-03 22:19:20 +0200 | [diff] [blame] | 610 | BATADV_CNT_NUM, |
Martin Hundebøll | f821486 | 2012-04-20 17:02:45 +0200 | [diff] [blame] | 611 | }; |
| 612 | |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 613 | /** |
| 614 | * struct batadv_priv_tt - per mesh interface translation table data |
| 615 | * @vn: translation table version number |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 616 | * @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] | 617 | * @local_changes: changes registered in an originator interval |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 618 | * @changes_list: tracks tt local changes within an originator interval |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 619 | * @local_hash: local translation table hash table |
| 620 | * @global_hash: global translation table hash table |
| 621 | * @req_list: list of pending & unanswered tt_requests |
| 622 | * @roam_list: list of the last roaming events of each client limiting the |
| 623 | * number of roaming events to avoid route flapping |
| 624 | * @changes_list_lock: lock protecting changes_list |
| 625 | * @req_list_lock: lock protecting req_list |
| 626 | * @roam_list_lock: lock protecting roam_list |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 627 | * @last_changeset: last tt changeset this host has generated |
| 628 | * @last_changeset_len: length of last tt changeset this host has generated |
| 629 | * @last_changeset_lock: lock protecting last_changeset & last_changeset_len |
Antonio Quartulli | a70a9aa | 2013-07-30 22:16:24 +0200 | [diff] [blame] | 630 | * @commit_lock: prevents from executing a local TT commit while reading the |
| 631 | * local table. The local TT commit is made up by two operations (data |
| 632 | * structure update and metdata -CRC/TTVN- recalculation) and they have to be |
| 633 | * executed atomically in order to avoid another thread to read the |
| 634 | * table/metadata between those. |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 635 | * @work: work queue callback item for translation table purging |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 636 | */ |
| 637 | struct batadv_priv_tt { |
| 638 | atomic_t vn; |
| 639 | atomic_t ogm_append_cnt; |
| 640 | atomic_t local_changes; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 641 | struct list_head changes_list; |
| 642 | struct batadv_hashtable *local_hash; |
| 643 | struct batadv_hashtable *global_hash; |
Marek Lindner | 7c26a53 | 2015-06-28 22:16:06 +0800 | [diff] [blame] | 644 | struct hlist_head req_list; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 645 | struct list_head roam_list; |
| 646 | spinlock_t changes_list_lock; /* protects changes */ |
| 647 | spinlock_t req_list_lock; /* protects req_list */ |
| 648 | spinlock_t roam_list_lock; /* protects roam_list */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 649 | unsigned char *last_changeset; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 650 | s16 last_changeset_len; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 651 | /* protects last_changeset & last_changeset_len */ |
| 652 | spinlock_t last_changeset_lock; |
Antonio Quartulli | a70a9aa | 2013-07-30 22:16:24 +0200 | [diff] [blame] | 653 | /* prevents from executing a commit while reading the table */ |
| 654 | spinlock_t commit_lock; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 655 | struct delayed_work work; |
| 656 | }; |
| 657 | |
Sven Eckelmann | 426fc6c | 2015-09-06 21:38:45 +0200 | [diff] [blame] | 658 | #ifdef CONFIG_BATMAN_ADV_BLA |
| 659 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 660 | /** |
| 661 | * struct batadv_priv_bla - per mesh interface bridge loope avoidance data |
Sven Eckelmann | 006a199 | 2015-09-06 21:38:46 +0200 | [diff] [blame] | 662 | * @num_requests: number of bla requests in flight |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 663 | * @claim_hash: hash table containing mesh nodes this host has claimed |
| 664 | * @backbone_hash: hash table containing all detected backbone gateways |
Simon Wunderlich | cd9c7bf | 2016-03-12 10:49:33 +0100 | [diff] [blame] | 665 | * @loopdetect_addr: MAC address used for own loopdetection frames |
| 666 | * @loopdetect_lasttime: time when the loopdetection frames were sent |
| 667 | * @loopdetect_next: how many periods to wait for the next loopdetect process |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 668 | * @bcast_duplist: recently received broadcast packets array (for broadcast |
| 669 | * duplicate suppression) |
| 670 | * @bcast_duplist_curr: index of last broadcast packet added to bcast_duplist |
| 671 | * @bcast_duplist_lock: lock protecting bcast_duplist & bcast_duplist_curr |
| 672 | * @claim_dest: local claim data (e.g. claim group) |
| 673 | * @work: work queue callback item for cleanups & bla announcements |
| 674 | */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 675 | struct batadv_priv_bla { |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 676 | atomic_t num_requests; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 677 | struct batadv_hashtable *claim_hash; |
| 678 | struct batadv_hashtable *backbone_hash; |
Simon Wunderlich | cd9c7bf | 2016-03-12 10:49:33 +0100 | [diff] [blame] | 679 | u8 loopdetect_addr[ETH_ALEN]; |
| 680 | unsigned long loopdetect_lasttime; |
| 681 | atomic_t loopdetect_next; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 682 | struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; |
| 683 | int bcast_duplist_curr; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 684 | /* protects bcast_duplist & bcast_duplist_curr */ |
Linus Lüssing | 7dac7b7 | 2012-10-17 14:53:05 +0200 | [diff] [blame] | 685 | spinlock_t bcast_duplist_lock; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 686 | struct batadv_bla_claim_dst claim_dest; |
| 687 | struct delayed_work work; |
| 688 | }; |
| 689 | #endif |
| 690 | |
Sven Eckelmann | 426fc6c | 2015-09-06 21:38:45 +0200 | [diff] [blame] | 691 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
| 692 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 693 | /** |
Simon Wunderlich | 1a321b0 | 2014-01-24 22:16:25 +0100 | [diff] [blame] | 694 | * struct batadv_priv_debug_log - debug logging data |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 695 | * @log_buff: buffer holding the logs (ring bufer) |
| 696 | * @log_start: index of next character to read |
| 697 | * @log_end: index of next character to write |
| 698 | * @lock: lock protecting log_buff, log_start & log_end |
| 699 | * @queue_wait: log reader's wait queue |
| 700 | */ |
Marek Lindner | 0abf5d8 | 2012-12-25 17:03:20 +0800 | [diff] [blame] | 701 | struct batadv_priv_debug_log { |
| 702 | char log_buff[BATADV_LOG_BUF_LEN]; |
| 703 | unsigned long log_start; |
| 704 | unsigned long log_end; |
| 705 | spinlock_t lock; /* protects log_buff, log_start and log_end */ |
| 706 | wait_queue_head_t queue_wait; |
| 707 | }; |
| 708 | #endif |
| 709 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 710 | /** |
| 711 | * struct batadv_priv_gw - per mesh interface gateway data |
| 712 | * @list: list of available gateway nodes |
| 713 | * @list_lock: lock protecting gw_list & curr_gw |
| 714 | * @curr_gw: pointer to currently selected gateway node |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 715 | * @mode: gateway operation: off, client or server (see batadv_gw_modes) |
| 716 | * @sel_class: gateway selection class (applies if gw_mode client) |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 717 | * @bandwidth_down: advertised uplink download bandwidth (if gw_mode server) |
| 718 | * @bandwidth_up: advertised uplink upload bandwidth (if gw_mode server) |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 719 | * @reselect: bool indicating a gateway re-selection is in progress |
| 720 | */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 721 | struct batadv_priv_gw { |
| 722 | struct hlist_head list; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 723 | spinlock_t list_lock; /* protects gw_list & curr_gw */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 724 | struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */ |
Antonio Quartulli | 3a24a63 | 2016-05-06 02:46:38 +0800 | [diff] [blame] | 725 | atomic_t mode; |
| 726 | atomic_t sel_class; |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 727 | atomic_t bandwidth_down; |
| 728 | atomic_t bandwidth_up; |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 729 | atomic_t reselect; |
| 730 | }; |
| 731 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 732 | /** |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 733 | * struct batadv_priv_tvlv - per mesh interface tvlv data |
| 734 | * @container_list: list of registered tvlv containers to be sent with each OGM |
| 735 | * @handler_list: list of the various tvlv content handlers |
| 736 | * @container_list_lock: protects tvlv container list access |
| 737 | * @handler_list_lock: protects handler list access |
| 738 | */ |
| 739 | struct batadv_priv_tvlv { |
| 740 | struct hlist_head container_list; |
| 741 | struct hlist_head handler_list; |
| 742 | spinlock_t container_list_lock; /* protects container_list */ |
| 743 | spinlock_t handler_list_lock; /* protects handler_list */ |
| 744 | }; |
| 745 | |
Sven Eckelmann | 426fc6c | 2015-09-06 21:38:45 +0200 | [diff] [blame] | 746 | #ifdef CONFIG_BATMAN_ADV_DAT |
| 747 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 748 | /** |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 749 | * struct batadv_priv_dat - per mesh interface DAT private data |
| 750 | * @addr: node DAT address |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 751 | * @hash: hashtable representing the local ARP cache |
| 752 | * @work: work queue callback item for cache purging |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 753 | */ |
| 754 | struct batadv_priv_dat { |
| 755 | batadv_dat_addr_t addr; |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 756 | struct batadv_hashtable *hash; |
| 757 | struct delayed_work work; |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 758 | }; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 759 | #endif |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 760 | |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 761 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 762 | /** |
Linus Lüssing | 687937a | 2016-05-10 18:41:25 +0200 | [diff] [blame] | 763 | * struct batadv_mcast_querier_state - IGMP/MLD querier state when bridged |
| 764 | * @exists: whether a querier exists in the mesh |
| 765 | * @shadowing: if a querier exists, whether it is potentially shadowing |
| 766 | * multicast listeners (i.e. querier is behind our own bridge segment) |
| 767 | */ |
| 768 | struct batadv_mcast_querier_state { |
| 769 | bool exists; |
| 770 | bool shadowing; |
| 771 | }; |
| 772 | |
| 773 | /** |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 774 | * struct batadv_priv_mcast - per mesh interface mcast data |
| 775 | * @mla_list: list of multicast addresses we are currently announcing via TT |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 776 | * @want_all_unsnoopables_list: a list of orig_nodes wanting all unsnoopable |
| 777 | * multicast traffic |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 778 | * @want_all_ipv4_list: a list of orig_nodes wanting all IPv4 multicast traffic |
| 779 | * @want_all_ipv6_list: a list of orig_nodes wanting all IPv6 multicast traffic |
Linus Lüssing | 72f7b2d | 2016-05-10 18:41:26 +0200 | [diff] [blame] | 780 | * @querier_ipv4: the current state of an IGMP querier in the mesh |
| 781 | * @querier_ipv6: the current state of an MLD querier in the mesh |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 782 | * @flags: the flags we have last sent in our mcast tvlv |
| 783 | * @enabled: whether the multicast tvlv is currently enabled |
Linus Lüssing | 687937a | 2016-05-10 18:41:25 +0200 | [diff] [blame] | 784 | * @bridged: whether the soft interface has a bridge on top |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 785 | * @num_disabled: number of nodes that have no mcast tvlv |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 786 | * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP traffic |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 787 | * @num_want_all_ipv4: counter for items in want_all_ipv4_list |
| 788 | * @num_want_all_ipv6: counter for items in want_all_ipv6_list |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 789 | * @want_lists_lock: lock for protecting modifications to mcast want lists |
| 790 | * (traversals are rcu-locked) |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 791 | */ |
| 792 | struct batadv_priv_mcast { |
| 793 | struct hlist_head mla_list; |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 794 | struct hlist_head want_all_unsnoopables_list; |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 795 | struct hlist_head want_all_ipv4_list; |
| 796 | struct hlist_head want_all_ipv6_list; |
Linus Lüssing | 72f7b2d | 2016-05-10 18:41:26 +0200 | [diff] [blame] | 797 | struct batadv_mcast_querier_state querier_ipv4; |
| 798 | struct batadv_mcast_querier_state querier_ipv6; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 799 | u8 flags; |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 800 | bool enabled; |
Linus Lüssing | 687937a | 2016-05-10 18:41:25 +0200 | [diff] [blame] | 801 | bool bridged; |
Linus Lüssing | 60432d7 | 2014-02-15 17:47:51 +0100 | [diff] [blame] | 802 | atomic_t num_disabled; |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 803 | atomic_t num_want_all_unsnoopables; |
Linus Lüssing | 4c8755d | 2014-02-15 17:47:54 +0100 | [diff] [blame] | 804 | atomic_t num_want_all_ipv4; |
| 805 | atomic_t num_want_all_ipv6; |
| 806 | /* protects want_all_{unsnoopables,ipv4,ipv6}_list */ |
Linus Lüssing | ab49886 | 2014-02-15 17:47:53 +0100 | [diff] [blame] | 807 | spinlock_t want_lists_lock; |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 808 | }; |
| 809 | #endif |
| 810 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 811 | /** |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 812 | * struct batadv_priv_nc - per mesh interface network coding private data |
| 813 | * @work: work queue callback item for cleanup |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 814 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs |
| 815 | * @min_tq: only consider neighbors for encoding if neigh_tq > min_tq |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 816 | * @max_fwd_delay: maximum packet forward delay to allow coding of packets |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 817 | * @max_buffer_time: buffer time for sniffed packets used to decoding |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 818 | * @timestamp_fwd_flush: timestamp of last forward packet queue flush |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 819 | * @timestamp_sniffed_purge: timestamp of last sniffed packet queue purge |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 820 | * @coding_hash: Hash table used to buffer skbs while waiting for another |
| 821 | * incoming skb to code it with. Skbs are added to the buffer just before being |
| 822 | * forwarded in routing.c |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 823 | * @decoding_hash: Hash table used to buffer skbs that might be needed to decode |
| 824 | * a received coded skb. The buffer is used for 1) skbs arriving on the |
| 825 | * soft-interface; 2) skbs overheard on the hard-interface; and 3) skbs |
| 826 | * forwarded by batman-adv. |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 827 | */ |
| 828 | struct batadv_priv_nc { |
| 829 | struct delayed_work work; |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 830 | struct dentry *debug_dir; |
| 831 | u8 min_tq; |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 832 | u32 max_fwd_delay; |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 833 | u32 max_buffer_time; |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 834 | unsigned long timestamp_fwd_flush; |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 835 | unsigned long timestamp_sniffed_purge; |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 836 | struct batadv_hashtable *coding_hash; |
Martin Hundebøll | 612d2b4 | 2013-01-25 11:12:42 +0100 | [diff] [blame] | 837 | struct batadv_hashtable *decoding_hash; |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 838 | }; |
| 839 | |
| 840 | /** |
Antonio Quartulli | 33a3bb4 | 2016-05-05 13:09:43 +0200 | [diff] [blame] | 841 | * struct batadv_tp_unacked - unacked packet meta-information |
| 842 | * @seqno: seqno of the unacked packet |
| 843 | * @len: length of the packet |
| 844 | * @list: list node for batadv_tp_vars::unacked_list |
| 845 | * |
| 846 | * This struct is supposed to represent a buffer unacked packet. However, since |
| 847 | * the purpose of the TP meter is to count the traffic only, there is no need to |
| 848 | * store the entire sk_buff, the starting offset and the length are enough |
| 849 | */ |
| 850 | struct batadv_tp_unacked { |
| 851 | u32 seqno; |
| 852 | u16 len; |
| 853 | struct list_head list; |
| 854 | }; |
| 855 | |
| 856 | /** |
| 857 | * enum batadv_tp_meter_role - Modus in tp meter session |
| 858 | * @BATADV_TP_RECEIVER: Initialized as receiver |
| 859 | * @BATADV_TP_SENDER: Initialized as sender |
| 860 | */ |
| 861 | enum batadv_tp_meter_role { |
| 862 | BATADV_TP_RECEIVER, |
| 863 | BATADV_TP_SENDER |
| 864 | }; |
| 865 | |
| 866 | /** |
| 867 | * struct batadv_tp_vars - tp meter private variables per session |
| 868 | * @list: list node for bat_priv::tp_list |
| 869 | * @timer: timer for ack (receiver) and retry (sender) |
| 870 | * @bat_priv: pointer to the mesh object |
| 871 | * @start_time: start time in jiffies |
| 872 | * @other_end: mac address of remote |
| 873 | * @role: receiver/sender modi |
| 874 | * @sending: sending binary semaphore: 1 if sending, 0 is not |
| 875 | * @reason: reason for a stopped session |
| 876 | * @finish_work: work item for the finishing procedure |
| 877 | * @test_length: test length in milliseconds |
| 878 | * @session: TP session identifier |
| 879 | * @icmp_uid: local ICMP "socket" index |
| 880 | * @dec_cwnd: decimal part of the cwnd used during linear growth |
| 881 | * @cwnd: current size of the congestion window |
| 882 | * @cwnd_lock: lock do protect @cwnd & @dec_cwnd |
| 883 | * @ss_threshold: Slow Start threshold. Once cwnd exceeds this value the |
| 884 | * connection switches to the Congestion Avoidance state |
| 885 | * @last_acked: last acked byte |
| 886 | * @last_sent: last sent byte, not yet acked |
| 887 | * @tot_sent: amount of data sent/ACKed so far |
| 888 | * @dup_acks: duplicate ACKs counter |
| 889 | * @fast_recovery: true if in Fast Recovery mode |
| 890 | * @recover: last sent seqno when entering Fast Recovery |
| 891 | * @rto: sender timeout |
| 892 | * @srtt: smoothed RTT scaled by 2^3 |
| 893 | * @rttvar: RTT variation scaled by 2^2 |
| 894 | * @more_bytes: waiting queue anchor when waiting for more ack/retry timeout |
| 895 | * @prerandom_offset: offset inside the prerandom buffer |
| 896 | * @prerandom_lock: spinlock protecting access to prerandom_offset |
| 897 | * @last_recv: last in-order received packet |
| 898 | * @unacked_list: list of unacked packets (meta-info only) |
| 899 | * @unacked_lock: protect unacked_list |
| 900 | * @last_recv_time: time time (jiffies) a msg was received |
| 901 | * @refcount: number of context where the object is used |
| 902 | * @rcu: struct used for freeing in an RCU-safe manner |
| 903 | */ |
| 904 | struct batadv_tp_vars { |
| 905 | struct hlist_node list; |
| 906 | struct timer_list timer; |
| 907 | struct batadv_priv *bat_priv; |
| 908 | unsigned long start_time; |
| 909 | u8 other_end[ETH_ALEN]; |
| 910 | enum batadv_tp_meter_role role; |
| 911 | atomic_t sending; |
| 912 | enum batadv_tp_meter_reason reason; |
| 913 | struct delayed_work finish_work; |
| 914 | u32 test_length; |
| 915 | u8 session[2]; |
| 916 | u8 icmp_uid; |
| 917 | |
| 918 | /* sender variables */ |
| 919 | u16 dec_cwnd; |
| 920 | u32 cwnd; |
| 921 | spinlock_t cwnd_lock; /* Protects cwnd & dec_cwnd */ |
| 922 | u32 ss_threshold; |
| 923 | atomic_t last_acked; |
| 924 | u32 last_sent; |
| 925 | atomic64_t tot_sent; |
| 926 | atomic_t dup_acks; |
| 927 | bool fast_recovery; |
| 928 | u32 recover; |
| 929 | u32 rto; |
| 930 | u32 srtt; |
| 931 | u32 rttvar; |
| 932 | wait_queue_head_t more_bytes; |
| 933 | u32 prerandom_offset; |
| 934 | spinlock_t prerandom_lock; /* Protects prerandom_offset */ |
| 935 | |
| 936 | /* receiver variables */ |
| 937 | u32 last_recv; |
| 938 | struct list_head unacked_list; |
| 939 | spinlock_t unacked_lock; /* Protects unacked_list */ |
| 940 | unsigned long last_recv_time; |
| 941 | struct kref refcount; |
| 942 | struct rcu_head rcu; |
| 943 | }; |
| 944 | |
| 945 | /** |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 946 | * struct batadv_softif_vlan - per VLAN attributes set |
Antonio Quartulli | 35df3b2 | 2014-05-08 17:13:15 +0200 | [diff] [blame] | 947 | * @bat_priv: pointer to the mesh object |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 948 | * @vid: VLAN identifier |
| 949 | * @kobj: kobject for sysfs vlan subdirectory |
Antonio Quartulli | b8cbd81 | 2013-07-02 11:04:36 +0200 | [diff] [blame] | 950 | * @ap_isolation: AP isolation state |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 951 | * @tt: TT private attributes (VLAN specific) |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 952 | * @list: list node for bat_priv::softif_vlan_list |
| 953 | * @refcount: number of context where this object is currently in use |
| 954 | * @rcu: struct used for freeing in a RCU-safe manner |
| 955 | */ |
| 956 | struct batadv_softif_vlan { |
Antonio Quartulli | 35df3b2 | 2014-05-08 17:13:15 +0200 | [diff] [blame] | 957 | struct batadv_priv *bat_priv; |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 958 | unsigned short vid; |
| 959 | struct kobject *kobj; |
Antonio Quartulli | b8cbd81 | 2013-07-02 11:04:36 +0200 | [diff] [blame] | 960 | atomic_t ap_isolation; /* boolean */ |
Antonio Quartulli | 7ea7b4a | 2013-07-30 22:16:25 +0200 | [diff] [blame] | 961 | struct batadv_vlan_tt tt; |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 962 | struct hlist_node list; |
Sven Eckelmann | 6be4d30 | 2016-01-16 10:29:42 +0100 | [diff] [blame] | 963 | struct kref refcount; |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 964 | struct rcu_head rcu; |
| 965 | }; |
| 966 | |
| 967 | /** |
Antonio Quartulli | 0da0035 | 2016-01-16 16:40:12 +0800 | [diff] [blame] | 968 | * struct batadv_priv_bat_v - B.A.T.M.A.N. V per soft-interface private data |
| 969 | * @ogm_buff: buffer holding the OGM packet |
| 970 | * @ogm_buff_len: length of the OGM packet buffer |
| 971 | * @ogm_seqno: OGM sequence number - used to identify each OGM |
Sven Eckelmann | 5841c1b | 2020-03-16 23:31:03 +0100 | [diff] [blame] | 972 | * @ogm_buff_mutex: lock protecting ogm_buff and ogm_buff_len |
Antonio Quartulli | 0da0035 | 2016-01-16 16:40:12 +0800 | [diff] [blame] | 973 | * @ogm_wq: workqueue used to schedule OGM transmissions |
| 974 | */ |
| 975 | struct batadv_priv_bat_v { |
| 976 | unsigned char *ogm_buff; |
| 977 | int ogm_buff_len; |
| 978 | atomic_t ogm_seqno; |
Sven Eckelmann | 5841c1b | 2020-03-16 23:31:03 +0100 | [diff] [blame] | 979 | struct mutex ogm_buff_mutex; |
Antonio Quartulli | 0da0035 | 2016-01-16 16:40:12 +0800 | [diff] [blame] | 980 | struct delayed_work ogm_wq; |
| 981 | }; |
| 982 | |
| 983 | /** |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 984 | * struct batadv_priv - per mesh interface data |
| 985 | * @mesh_state: current status of the mesh (inactive/active/deactivating) |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 986 | * @soft_iface: net device which holds this struct as private data |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 987 | * @stats: structure holding the data for the ndo_get_stats() call |
| 988 | * @bat_counters: mesh internal traffic statistic counters (see batadv_counters) |
| 989 | * @aggregated_ogms: bool indicating whether OGM aggregation is enabled |
| 990 | * @bonding: bool indicating whether traffic bonding is enabled |
| 991 | * @fragmentation: bool indicating whether traffic fragmentation is enabled |
Marek Lindner | a19d3d8 | 2013-05-27 15:33:25 +0800 | [diff] [blame] | 992 | * @packet_size_max: max packet size that can be transmitted via |
| 993 | * multiple fragmented skbs or a single frame if fragmentation is disabled |
Martin Hundebøll | ee75ed8 | 2013-05-23 16:53:03 +0200 | [diff] [blame] | 994 | * @frag_seqno: incremental counter to identify chains of egress fragments |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 995 | * @bridge_loop_avoidance: bool indicating whether bridge loop avoidance is |
| 996 | * enabled |
| 997 | * @distributed_arp_table: bool indicating whether distributed ARP table is |
| 998 | * enabled |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 999 | * @multicast_mode: Enable or disable multicast optimizations on this node's |
| 1000 | * sender/originating side |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1001 | * @orig_interval: OGM broadcast interval in milliseconds |
| 1002 | * @hop_penalty: penalty which will be applied to an OGM's tq-field on every hop |
| 1003 | * @log_level: configured log level (see batadv_dbg_level) |
Antonio Quartulli | a14c131 | 2015-11-17 16:40:53 +0800 | [diff] [blame] | 1004 | * @isolation_mark: the skb->mark value used to match packets for AP isolation |
| 1005 | * @isolation_mark_mask: bitmask identifying the bits in skb->mark to be used |
| 1006 | * for the isolation mark |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1007 | * @bcast_seqno: last sent broadcast packet sequence number |
| 1008 | * @bcast_queue_left: number of remaining buffered broadcast packet slots |
| 1009 | * @batman_queue_left: number of remaining OGM packet slots |
| 1010 | * @num_ifaces: number of interfaces assigned to this mesh interface |
| 1011 | * @mesh_obj: kobject for sysfs mesh subdirectory |
| 1012 | * @debug_dir: dentry for debugfs batman-adv subdirectory |
| 1013 | * @forw_bat_list: list of aggregated OGMs that will be forwarded |
| 1014 | * @forw_bcast_list: list of broadcast packets that will be rebroadcasted |
Antonio Quartulli | 33a3bb4 | 2016-05-05 13:09:43 +0200 | [diff] [blame] | 1015 | * @tp_list: list of tp sessions |
| 1016 | * @tp_num: number of currently active tp sessions |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1017 | * @orig_hash: hash table containing mesh participants (orig nodes) |
| 1018 | * @forw_bat_list_lock: lock protecting forw_bat_list |
| 1019 | * @forw_bcast_list_lock: lock protecting forw_bcast_list |
Antonio Quartulli | 33a3bb4 | 2016-05-05 13:09:43 +0200 | [diff] [blame] | 1020 | * @tp_list_lock: spinlock protecting @tp_list |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1021 | * @orig_work: work queue callback item for orig node purging |
Marek Lindner | d1f6825 | 2015-08-15 18:04:59 +0800 | [diff] [blame] | 1022 | * @primary_if: one of the hard-interfaces assigned to this mesh interface |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1023 | * becomes the primary interface |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1024 | * @algo_ops: routing algorithm used by this mesh interface |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 1025 | * @softif_vlan_list: a list of softif_vlan structs, one per VLAN created on top |
| 1026 | * of the mesh interface represented by this object |
| 1027 | * @softif_vlan_list_lock: lock protecting softif_vlan_list |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1028 | * @bla: bridge loope avoidance data |
| 1029 | * @debug_log: holding debug logging relevant data |
| 1030 | * @gw: gateway data |
| 1031 | * @tt: translation table data |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 1032 | * @tvlv: type-version-length-value data |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1033 | * @dat: distributed arp table data |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 1034 | * @mcast: multicast data |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 1035 | * @network_coding: bool indicating whether network coding is enabled |
Sven Eckelmann | 006a199 | 2015-09-06 21:38:46 +0200 | [diff] [blame] | 1036 | * @nc: network coding data |
Antonio Quartulli | 0da0035 | 2016-01-16 16:40:12 +0800 | [diff] [blame] | 1037 | * @bat_v: B.A.T.M.A.N. V per soft-interface private data |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1038 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1039 | struct batadv_priv { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1040 | atomic_t mesh_state; |
Simon Wunderlich | 5bc44dc | 2013-01-11 10:19:51 +0100 | [diff] [blame] | 1041 | struct net_device *soft_iface; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1042 | struct net_device_stats stats; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1043 | u64 __percpu *bat_counters; /* Per cpu counters */ |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1044 | atomic_t aggregated_ogms; |
| 1045 | atomic_t bonding; |
| 1046 | atomic_t fragmentation; |
Marek Lindner | a19d3d8 | 2013-05-27 15:33:25 +0800 | [diff] [blame] | 1047 | atomic_t packet_size_max; |
Martin Hundebøll | ee75ed8 | 2013-05-23 16:53:03 +0200 | [diff] [blame] | 1048 | atomic_t frag_seqno; |
Antonio Quartulli | fa70655 | 2012-11-26 01:27:29 +0100 | [diff] [blame] | 1049 | #ifdef CONFIG_BATMAN_ADV_BLA |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1050 | atomic_t bridge_loop_avoidance; |
Antonio Quartulli | fa70655 | 2012-11-26 01:27:29 +0100 | [diff] [blame] | 1051 | #endif |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 1052 | #ifdef CONFIG_BATMAN_ADV_DAT |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1053 | atomic_t distributed_arp_table; |
Antonio Quartulli | 33af49a | 2012-08-08 18:50:57 +0200 | [diff] [blame] | 1054 | #endif |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 1055 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 1056 | atomic_t multicast_mode; |
| 1057 | #endif |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1058 | atomic_t orig_interval; |
| 1059 | atomic_t hop_penalty; |
Marek Lindner | 0c430d0 | 2012-12-16 13:53:15 +0800 | [diff] [blame] | 1060 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1061 | atomic_t log_level; |
Marek Lindner | 0c430d0 | 2012-12-16 13:53:15 +0800 | [diff] [blame] | 1062 | #endif |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1063 | u32 isolation_mark; |
| 1064 | u32 isolation_mark_mask; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1065 | atomic_t bcast_seqno; |
| 1066 | atomic_t bcast_queue_left; |
| 1067 | atomic_t batman_queue_left; |
Sven Eckelmann | 8142ea6 | 2020-03-16 23:30:53 +0100 | [diff] [blame] | 1068 | unsigned int num_ifaces; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1069 | struct kobject *mesh_obj; |
| 1070 | struct dentry *debug_dir; |
| 1071 | struct hlist_head forw_bat_list; |
| 1072 | struct hlist_head forw_bcast_list; |
Antonio Quartulli | 33a3bb4 | 2016-05-05 13:09:43 +0200 | [diff] [blame] | 1073 | struct hlist_head tp_list; |
Sven Eckelmann | 5bf74e9 | 2012-06-05 22:31:28 +0200 | [diff] [blame] | 1074 | struct batadv_hashtable *orig_hash; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1075 | spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ |
Antonio Quartulli | a7528f8 | 2012-09-02 19:00:38 +0200 | [diff] [blame] | 1076 | spinlock_t forw_bcast_list_lock; /* protects forw_bcast_list */ |
Antonio Quartulli | 33a3bb4 | 2016-05-05 13:09:43 +0200 | [diff] [blame] | 1077 | spinlock_t tp_list_lock; /* protects tp_list */ |
| 1078 | atomic_t tp_num; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1079 | struct delayed_work orig_work; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1080 | struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */ |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1081 | struct batadv_algo_ops *algo_ops; |
Antonio Quartulli | 5d2c05b | 2013-07-02 11:04:34 +0200 | [diff] [blame] | 1082 | struct hlist_head softif_vlan_list; |
| 1083 | spinlock_t softif_vlan_list_lock; /* protects softif_vlan_list */ |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 1084 | #ifdef CONFIG_BATMAN_ADV_BLA |
| 1085 | struct batadv_priv_bla bla; |
| 1086 | #endif |
Marek Lindner | 0abf5d8 | 2012-12-25 17:03:20 +0800 | [diff] [blame] | 1087 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
| 1088 | struct batadv_priv_debug_log *debug_log; |
| 1089 | #endif |
Sven Eckelmann | 807736f | 2012-07-15 22:26:51 +0200 | [diff] [blame] | 1090 | struct batadv_priv_gw gw; |
| 1091 | struct batadv_priv_tt tt; |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 1092 | struct batadv_priv_tvlv tvlv; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 1093 | #ifdef CONFIG_BATMAN_ADV_DAT |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 1094 | struct batadv_priv_dat dat; |
Antonio Quartulli | 1722447 | 2011-11-06 12:23:55 +0100 | [diff] [blame] | 1095 | #endif |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 1096 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 1097 | struct batadv_priv_mcast mcast; |
| 1098 | #endif |
Martin Hundebøll | d353d8d | 2013-01-25 11:12:38 +0100 | [diff] [blame] | 1099 | #ifdef CONFIG_BATMAN_ADV_NC |
| 1100 | atomic_t network_coding; |
| 1101 | struct batadv_priv_nc nc; |
| 1102 | #endif /* CONFIG_BATMAN_ADV_NC */ |
Antonio Quartulli | 0da0035 | 2016-01-16 16:40:12 +0800 | [diff] [blame] | 1103 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
| 1104 | struct batadv_priv_bat_v bat_v; |
| 1105 | #endif |
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 | /** |
| 1109 | * struct batadv_socket_client - layer2 icmp socket client data |
| 1110 | * @queue_list: packet queue for packets destined for this socket client |
| 1111 | * @queue_len: number of packets in the packet queue (queue_list) |
| 1112 | * @index: socket client's index in the batadv_socket_client_hash |
| 1113 | * @lock: lock protecting queue_list, queue_len & index |
| 1114 | * @queue_wait: socket client's wait queue |
| 1115 | * @bat_priv: pointer to soft_iface this client belongs to |
| 1116 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1117 | struct batadv_socket_client { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1118 | struct list_head queue_list; |
| 1119 | unsigned int queue_len; |
| 1120 | unsigned char index; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1121 | spinlock_t lock; /* protects queue_list, queue_len & index */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1122 | wait_queue_head_t queue_wait; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1123 | struct batadv_priv *bat_priv; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1124 | }; |
| 1125 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1126 | /** |
| 1127 | * struct batadv_socket_packet - layer2 icmp packet for socket client |
| 1128 | * @list: list node for batadv_socket_client::queue_list |
| 1129 | * @icmp_len: size of the layer2 icmp packet |
| 1130 | * @icmp_packet: layer2 icmp packet |
| 1131 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1132 | struct batadv_socket_packet { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1133 | struct list_head list; |
| 1134 | size_t icmp_len; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1135 | u8 icmp_packet[BATADV_ICMP_MAX_PACKET_SIZE]; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1136 | }; |
| 1137 | |
Sven Eckelmann | 426fc6c | 2015-09-06 21:38:45 +0200 | [diff] [blame] | 1138 | #ifdef CONFIG_BATMAN_ADV_BLA |
| 1139 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1140 | /** |
| 1141 | * struct batadv_bla_backbone_gw - batman-adv gateway bridged into the LAN |
| 1142 | * @orig: originator address of backbone node (mac address of primary iface) |
| 1143 | * @vid: vlan id this gateway was detected on |
| 1144 | * @hash_entry: hlist node for batadv_priv_bla::backbone_hash |
| 1145 | * @bat_priv: pointer to soft_iface this backbone gateway belongs to |
| 1146 | * @lasttime: last time we heard of this backbone gw |
| 1147 | * @wait_periods: grace time for bridge forward delays and bla group forming at |
| 1148 | * bootup phase - no bcast traffic is formwared until it has elapsed |
| 1149 | * @request_sent: if this bool is set to true we are out of sync with this |
| 1150 | * backbone gateway - no bcast traffic is formwared until the situation was |
| 1151 | * resolved |
| 1152 | * @crc: crc16 checksum over all claims |
Simon Wunderlich | 5a1dd8a | 2015-09-11 18:04:13 +0200 | [diff] [blame] | 1153 | * @crc_lock: lock protecting crc |
Simon Wunderlich | cd9c7bf | 2016-03-12 10:49:33 +0100 | [diff] [blame] | 1154 | * @report_work: work struct for reporting detected loops |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1155 | * @refcount: number of contexts the object is used |
| 1156 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1157 | */ |
Marek Lindner | bae9877 | 2012-12-25 17:03:24 +0800 | [diff] [blame] | 1158 | struct batadv_bla_backbone_gw { |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1159 | u8 orig[ETH_ALEN]; |
Antonio Quartulli | eb2deb6 | 2013-04-19 18:07:00 +0200 | [diff] [blame] | 1160 | unsigned short vid; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 1161 | struct hlist_node hash_entry; |
| 1162 | struct batadv_priv *bat_priv; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1163 | unsigned long lasttime; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 1164 | atomic_t wait_periods; |
| 1165 | atomic_t request_sent; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1166 | u16 crc; |
Simon Wunderlich | 5a1dd8a | 2015-09-11 18:04:13 +0200 | [diff] [blame] | 1167 | spinlock_t crc_lock; /* protects crc */ |
Simon Wunderlich | cd9c7bf | 2016-03-12 10:49:33 +0100 | [diff] [blame] | 1168 | struct work_struct report_work; |
Sven Eckelmann | 06e56de | 2016-01-16 10:29:43 +0100 | [diff] [blame] | 1169 | struct kref refcount; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 1170 | struct rcu_head rcu; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 1171 | }; |
| 1172 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1173 | /** |
| 1174 | * struct batadv_bla_claim - claimed non-mesh client structure |
| 1175 | * @addr: mac address of claimed non-mesh client |
| 1176 | * @vid: vlan id this client was detected on |
Sven Eckelmann | 006a199 | 2015-09-06 21:38:46 +0200 | [diff] [blame] | 1177 | * @backbone_gw: pointer to backbone gw claiming this client |
Sven Eckelmann | 3db0dec | 2016-07-01 15:49:43 +0200 | [diff] [blame] | 1178 | * @backbone_lock: lock protecting backbone_gw pointer |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1179 | * @lasttime: last time we heard of claim (locals only) |
| 1180 | * @hash_entry: hlist node for batadv_priv_bla::claim_hash |
| 1181 | * @refcount: number of contexts the object is used |
| 1182 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1183 | */ |
Marek Lindner | 712bbfe4 | 2012-12-25 17:03:25 +0800 | [diff] [blame] | 1184 | struct batadv_bla_claim { |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1185 | u8 addr[ETH_ALEN]; |
Antonio Quartulli | eb2deb6 | 2013-04-19 18:07:00 +0200 | [diff] [blame] | 1186 | unsigned short vid; |
Marek Lindner | bae9877 | 2012-12-25 17:03:24 +0800 | [diff] [blame] | 1187 | struct batadv_bla_backbone_gw *backbone_gw; |
Sven Eckelmann | 3db0dec | 2016-07-01 15:49:43 +0200 | [diff] [blame] | 1188 | spinlock_t backbone_lock; /* protects backbone_gw */ |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1189 | unsigned long lasttime; |
| 1190 | struct hlist_node hash_entry; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 1191 | struct rcu_head rcu; |
Sven Eckelmann | 71b7e3d | 2016-01-16 10:29:44 +0100 | [diff] [blame] | 1192 | struct kref refcount; |
Marek Lindner | 2006fea | 2012-12-25 17:03:21 +0800 | [diff] [blame] | 1193 | }; |
| 1194 | #endif |
| 1195 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1196 | /** |
| 1197 | * struct batadv_tt_common_entry - tt local & tt global common data |
| 1198 | * @addr: mac address of non-mesh client |
Antonio Quartulli | c018ad3 | 2013-06-04 12:11:39 +0200 | [diff] [blame] | 1199 | * @vid: VLAN identifier |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1200 | * @hash_entry: hlist node for batadv_priv_tt::local_hash or for |
| 1201 | * batadv_priv_tt::global_hash |
| 1202 | * @flags: various state handling flags (see batadv_tt_client_flags) |
| 1203 | * @added_at: timestamp used for purging stale tt common entries |
| 1204 | * @refcount: number of contexts the object is used |
| 1205 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1206 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1207 | struct batadv_tt_common_entry { |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1208 | u8 addr[ETH_ALEN]; |
Antonio Quartulli | c018ad3 | 2013-06-04 12:11:39 +0200 | [diff] [blame] | 1209 | unsigned short vid; |
Antonio Quartulli | 93840ac | 2011-10-22 00:55:39 +0200 | [diff] [blame] | 1210 | struct hlist_node hash_entry; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1211 | u16 flags; |
Antonio Quartulli | 30cfd02 | 2012-07-05 23:38:29 +0200 | [diff] [blame] | 1212 | unsigned long added_at; |
Sven Eckelmann | 92dcdf0 | 2016-01-16 10:29:57 +0100 | [diff] [blame] | 1213 | struct kref refcount; |
Antonio Quartulli | 7683fdc | 2011-04-27 14:28:07 +0200 | [diff] [blame] | 1214 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1215 | }; |
| 1216 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1217 | /** |
| 1218 | * struct batadv_tt_local_entry - translation table local entry data |
| 1219 | * @common: general translation table data |
| 1220 | * @last_seen: timestamp used for purging stale tt local entries |
Sven Eckelmann | a33d970 | 2016-03-11 16:44:05 +0100 | [diff] [blame] | 1221 | * @vlan: soft-interface vlan of the entry |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1222 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1223 | struct batadv_tt_local_entry { |
| 1224 | struct batadv_tt_common_entry common; |
Antonio Quartulli | 48100ba | 2011-10-30 12:17:33 +0100 | [diff] [blame] | 1225 | unsigned long last_seen; |
Sven Eckelmann | a33d970 | 2016-03-11 16:44:05 +0100 | [diff] [blame] | 1226 | struct batadv_softif_vlan *vlan; |
Antonio Quartulli | 48100ba | 2011-10-30 12:17:33 +0100 | [diff] [blame] | 1227 | }; |
| 1228 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1229 | /** |
| 1230 | * struct batadv_tt_global_entry - translation table global entry data |
| 1231 | * @common: general translation table data |
| 1232 | * @orig_list: list of orig nodes announcing this non-mesh client |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 1233 | * @orig_list_count: number of items in the orig_list |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1234 | * @list_lock: lock protecting orig_list |
| 1235 | * @roam_at: time at which TT_GLOBAL_ROAM was set |
| 1236 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1237 | struct batadv_tt_global_entry { |
| 1238 | struct batadv_tt_common_entry common; |
Simon Wunderlich | db08e6e | 2011-10-22 20:12:51 +0200 | [diff] [blame] | 1239 | struct hlist_head orig_list; |
Linus Lüssing | 1d8ab8d | 2014-02-15 17:47:52 +0100 | [diff] [blame] | 1240 | atomic_t orig_list_count; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1241 | spinlock_t list_lock; /* protects orig_list */ |
| 1242 | unsigned long roam_at; |
Simon Wunderlich | db08e6e | 2011-10-22 20:12:51 +0200 | [diff] [blame] | 1243 | }; |
| 1244 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1245 | /** |
| 1246 | * struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client |
| 1247 | * @orig_node: pointer to orig node announcing this non-mesh client |
| 1248 | * @ttvn: translation table version number which added the non-mesh client |
Linus Lüssing | 805596e | 2020-03-16 23:30:48 +0100 | [diff] [blame] | 1249 | * @flags: per orig entry TT sync flags |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1250 | * @list: list node for batadv_tt_global_entry::orig_list |
| 1251 | * @refcount: number of contexts the object is used |
| 1252 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1253 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1254 | struct batadv_tt_orig_list_entry { |
| 1255 | struct batadv_orig_node *orig_node; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1256 | u8 ttvn; |
Linus Lüssing | 805596e | 2020-03-16 23:30:48 +0100 | [diff] [blame] | 1257 | u8 flags; |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1258 | struct hlist_node list; |
Sven Eckelmann | 6e8ef69 | 2016-01-16 10:29:50 +0100 | [diff] [blame] | 1259 | struct kref refcount; |
Simon Wunderlich | db08e6e | 2011-10-22 20:12:51 +0200 | [diff] [blame] | 1260 | struct rcu_head rcu; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1261 | }; |
| 1262 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1263 | /** |
Antonio Quartulli | 3f68785 | 2014-11-02 11:29:56 +0100 | [diff] [blame] | 1264 | * struct batadv_tt_change_node - structure for tt changes occurred |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1265 | * @list: list node for batadv_priv_tt::changes_list |
| 1266 | * @change: holds the actual translation table diff data |
| 1267 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1268 | struct batadv_tt_change_node { |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 1269 | struct list_head list; |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame] | 1270 | struct batadv_tvlv_tt_change change; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 1271 | }; |
| 1272 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1273 | /** |
| 1274 | * struct batadv_tt_req_node - data to keep track of the tt requests in flight |
| 1275 | * @addr: mac address address of the originator this request was sent to |
| 1276 | * @issued_at: timestamp used for purging stale tt requests |
Sven Eckelmann | 9c4604a | 2016-06-26 11:16:10 +0200 | [diff] [blame] | 1277 | * @refcount: number of contexts the object is used by |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1278 | * @list: list node for batadv_priv_tt::req_list |
| 1279 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1280 | struct batadv_tt_req_node { |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1281 | u8 addr[ETH_ALEN]; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 1282 | unsigned long issued_at; |
Sven Eckelmann | 9c4604a | 2016-06-26 11:16:10 +0200 | [diff] [blame] | 1283 | struct kref refcount; |
Marek Lindner | 7c26a53 | 2015-06-28 22:16:06 +0800 | [diff] [blame] | 1284 | struct hlist_node list; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 1285 | }; |
| 1286 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1287 | /** |
| 1288 | * struct batadv_tt_roam_node - roaming client data |
| 1289 | * @addr: mac address of the client in the roaming phase |
| 1290 | * @counter: number of allowed roaming events per client within a single |
| 1291 | * OGM interval (changes are committed with each OGM) |
| 1292 | * @first_time: timestamp used for purging stale roaming node entries |
| 1293 | * @list: list node for batadv_priv_tt::roam_list |
| 1294 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1295 | struct batadv_tt_roam_node { |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1296 | u8 addr[ETH_ALEN]; |
Antonio Quartulli | cc47f66 | 2011-04-27 14:27:57 +0200 | [diff] [blame] | 1297 | atomic_t counter; |
| 1298 | unsigned long first_time; |
| 1299 | struct list_head list; |
| 1300 | }; |
| 1301 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1302 | /** |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 1303 | * struct batadv_nc_node - network coding node |
| 1304 | * @list: next and prev pointer for the list handling |
| 1305 | * @addr: the node's mac address |
| 1306 | * @refcount: number of contexts the object is used by |
| 1307 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1308 | * @orig_node: pointer to corresponding orig node struct |
| 1309 | * @last_seen: timestamp of last ogm received from this node |
| 1310 | */ |
| 1311 | struct batadv_nc_node { |
| 1312 | struct list_head list; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1313 | u8 addr[ETH_ALEN]; |
Sven Eckelmann | daf99b4 | 2016-01-16 10:29:45 +0100 | [diff] [blame] | 1314 | struct kref refcount; |
Martin Hundebøll | d56b170 | 2013-01-25 11:12:39 +0100 | [diff] [blame] | 1315 | struct rcu_head rcu; |
| 1316 | struct batadv_orig_node *orig_node; |
| 1317 | unsigned long last_seen; |
| 1318 | }; |
| 1319 | |
| 1320 | /** |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 1321 | * struct batadv_nc_path - network coding path |
| 1322 | * @hash_entry: next and prev pointer for the list handling |
| 1323 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1324 | * @refcount: number of contexts the object is used by |
| 1325 | * @packet_list: list of buffered packets for this path |
| 1326 | * @packet_list_lock: access lock for packet list |
| 1327 | * @next_hop: next hop (destination) of path |
| 1328 | * @prev_hop: previous hop (source) of path |
| 1329 | * @last_valid: timestamp for last validation of path |
| 1330 | */ |
| 1331 | struct batadv_nc_path { |
| 1332 | struct hlist_node hash_entry; |
| 1333 | struct rcu_head rcu; |
Sven Eckelmann | 727e0cd | 2016-01-16 10:29:46 +0100 | [diff] [blame] | 1334 | struct kref refcount; |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 1335 | struct list_head packet_list; |
| 1336 | spinlock_t packet_list_lock; /* Protects packet_list */ |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1337 | u8 next_hop[ETH_ALEN]; |
| 1338 | u8 prev_hop[ETH_ALEN]; |
Martin Hundebøll | 9533247 | 2013-01-25 11:12:40 +0100 | [diff] [blame] | 1339 | unsigned long last_valid; |
| 1340 | }; |
| 1341 | |
| 1342 | /** |
| 1343 | * struct batadv_nc_packet - network coding packet used when coding and |
| 1344 | * decoding packets |
| 1345 | * @list: next and prev pointer for the list handling |
| 1346 | * @packet_id: crc32 checksum of skb data |
| 1347 | * @timestamp: field containing the info when the packet was added to path |
| 1348 | * @neigh_node: pointer to original next hop neighbor of skb |
| 1349 | * @skb: skb which can be encoded or used for decoding |
| 1350 | * @nc_path: pointer to path this nc packet is attached to |
| 1351 | */ |
| 1352 | struct batadv_nc_packet { |
| 1353 | struct list_head list; |
| 1354 | __be32 packet_id; |
| 1355 | unsigned long timestamp; |
| 1356 | struct batadv_neigh_node *neigh_node; |
| 1357 | struct sk_buff *skb; |
| 1358 | struct batadv_nc_path *nc_path; |
| 1359 | }; |
| 1360 | |
| 1361 | /** |
Simon Wunderlich | 1a321b0 | 2014-01-24 22:16:25 +0100 | [diff] [blame] | 1362 | * struct batadv_skb_cb - control buffer structure used to store private data |
| 1363 | * relevant to batman-adv in the skb->cb buffer in skbs. |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 1364 | * @decoded: Marks a skb as decoded, which is checked when searching for coding |
| 1365 | * opportunities in network-coding.c |
| 1366 | */ |
| 1367 | struct batadv_skb_cb { |
| 1368 | bool decoded; |
| 1369 | }; |
| 1370 | |
| 1371 | /** |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1372 | * struct batadv_forw_packet - structure for bcast packets to be sent/forwarded |
| 1373 | * @list: list node for batadv_socket_client::queue_list |
| 1374 | * @send_time: execution time for delayed_work (packet sending) |
| 1375 | * @own: bool for locally generated packets (local OGMs are re-scheduled after |
| 1376 | * sending) |
| 1377 | * @skb: bcast packet's skb buffer |
| 1378 | * @packet_len: size of aggregated OGM packet inside the skb buffer |
| 1379 | * @direct_link_flags: direct link flags for aggregated OGM packets |
| 1380 | * @num_packets: counter for bcast packet retransmission |
| 1381 | * @delayed_work: work queue callback item for packet sending |
Simon Wunderlich | ef0a937 | 2013-11-13 19:14:49 +0100 | [diff] [blame] | 1382 | * @if_incoming: pointer to incoming hard-iface or primary iface if |
| 1383 | * locally generated packet |
| 1384 | * @if_outgoing: packet where the packet should be sent to, or NULL if |
| 1385 | * unspecified |
Linus Lüssing | a65e548 | 2016-06-20 21:39:54 +0200 | [diff] [blame] | 1386 | * @queue_left: The queue (counter) this packet was applied to |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1387 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1388 | struct batadv_forw_packet { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1389 | struct hlist_node list; |
| 1390 | unsigned long send_time; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1391 | u8 own; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1392 | struct sk_buff *skb; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1393 | u16 packet_len; |
| 1394 | u32 direct_link_flags; |
| 1395 | u8 num_packets; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1396 | struct delayed_work delayed_work; |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1397 | struct batadv_hard_iface *if_incoming; |
Simon Wunderlich | ef0a937 | 2013-11-13 19:14:49 +0100 | [diff] [blame] | 1398 | struct batadv_hard_iface *if_outgoing; |
Linus Lüssing | a65e548 | 2016-06-20 21:39:54 +0200 | [diff] [blame] | 1399 | atomic_t *queue_left; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1400 | }; |
| 1401 | |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1402 | /** |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1403 | * struct batadv_algo_iface_ops - mesh algorithm callbacks (interface specific) |
| 1404 | * @activate: start routing mechanisms when hard-interface is brought up |
Sven Eckelmann | e61cdfa3 | 2016-06-07 22:44:53 +0200 | [diff] [blame] | 1405 | * (optional) |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1406 | * @enable: init routing info when hard-interface is enabled |
Sven Eckelmann | 5f6dd57 | 2020-03-16 23:31:02 +0100 | [diff] [blame] | 1407 | * @enabled: notification when hard-interface was enabled (optional) |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1408 | * @disable: de-init routing info when hard-interface is disabled |
| 1409 | * @update_mac: (re-)init mac addresses of the protocol information |
| 1410 | * belonging to this hard-interface |
| 1411 | * @primary_set: called when primary interface is selected / changed |
| 1412 | */ |
| 1413 | struct batadv_algo_iface_ops { |
| 1414 | void (*activate)(struct batadv_hard_iface *hard_iface); |
| 1415 | int (*enable)(struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | 5f6dd57 | 2020-03-16 23:31:02 +0100 | [diff] [blame] | 1416 | void (*enabled)(struct batadv_hard_iface *hard_iface); |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1417 | void (*disable)(struct batadv_hard_iface *hard_iface); |
| 1418 | void (*update_mac)(struct batadv_hard_iface *hard_iface); |
| 1419 | void (*primary_set)(struct batadv_hard_iface *hard_iface); |
| 1420 | }; |
| 1421 | |
| 1422 | /** |
| 1423 | * struct batadv_algo_neigh_ops - mesh algorithm callbacks (neighbour specific) |
| 1424 | * @hardif_init: called on creation of single hop entry |
Sven Eckelmann | e61cdfa3 | 2016-06-07 22:44:53 +0200 | [diff] [blame] | 1425 | * (optional) |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1426 | * @cmp: compare the metrics of two neighbors for their respective outgoing |
| 1427 | * interfaces |
| 1428 | * @is_similar_or_better: check if neigh1 is equally similar or better than |
| 1429 | * neigh2 for their respective outgoing interface from the metric prospective |
| 1430 | * @print: print the single hop neighbor list (optional) |
Matthias Schiffer | 85cf8c8 | 2016-07-03 13:31:39 +0200 | [diff] [blame] | 1431 | * @dump: dump neighbors to a netlink socket (optional) |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1432 | */ |
| 1433 | struct batadv_algo_neigh_ops { |
| 1434 | void (*hardif_init)(struct batadv_hardif_neigh_node *neigh); |
| 1435 | int (*cmp)(struct batadv_neigh_node *neigh1, |
| 1436 | struct batadv_hard_iface *if_outgoing1, |
| 1437 | struct batadv_neigh_node *neigh2, |
| 1438 | struct batadv_hard_iface *if_outgoing2); |
| 1439 | bool (*is_similar_or_better)(struct batadv_neigh_node *neigh1, |
| 1440 | struct batadv_hard_iface *if_outgoing1, |
| 1441 | struct batadv_neigh_node *neigh2, |
| 1442 | struct batadv_hard_iface *if_outgoing2); |
Sven Eckelmann | dc1cbd1 | 2016-07-16 09:31:20 +0200 | [diff] [blame] | 1443 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1444 | void (*print)(struct batadv_priv *priv, struct seq_file *seq); |
Sven Eckelmann | dc1cbd1 | 2016-07-16 09:31:20 +0200 | [diff] [blame] | 1445 | #endif |
Matthias Schiffer | 85cf8c8 | 2016-07-03 13:31:39 +0200 | [diff] [blame] | 1446 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
| 1447 | struct batadv_priv *priv, |
| 1448 | struct batadv_hard_iface *hard_iface); |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1449 | }; |
| 1450 | |
| 1451 | /** |
| 1452 | * struct batadv_algo_orig_ops - mesh algorithm callbacks (originator specific) |
| 1453 | * @free: free the resources allocated by the routing algorithm for an orig_node |
Sven Eckelmann | e61cdfa3 | 2016-06-07 22:44:53 +0200 | [diff] [blame] | 1454 | * object (optional) |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1455 | * @add_if: ask the routing algorithm to apply the needed changes to the |
Sven Eckelmann | e61cdfa3 | 2016-06-07 22:44:53 +0200 | [diff] [blame] | 1456 | * orig_node due to a new hard-interface being added into the mesh (optional) |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1457 | * @del_if: ask the routing algorithm to apply the needed changes to the |
Sven Eckelmann | e61cdfa3 | 2016-06-07 22:44:53 +0200 | [diff] [blame] | 1458 | * orig_node due to an hard-interface being removed from the mesh (optional) |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1459 | * @print: print the originator table (optional) |
Matthias Schiffer | 85cf8c8 | 2016-07-03 13:31:39 +0200 | [diff] [blame] | 1460 | * @dump: dump originators to a netlink socket (optional) |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1461 | */ |
| 1462 | struct batadv_algo_orig_ops { |
| 1463 | void (*free)(struct batadv_orig_node *orig_node); |
Sven Eckelmann | 8142ea6 | 2020-03-16 23:30:53 +0100 | [diff] [blame] | 1464 | int (*add_if)(struct batadv_orig_node *orig_node, |
| 1465 | unsigned int max_if_num); |
| 1466 | int (*del_if)(struct batadv_orig_node *orig_node, |
| 1467 | unsigned int max_if_num, unsigned int del_if_num); |
Sven Eckelmann | dc1cbd1 | 2016-07-16 09:31:20 +0200 | [diff] [blame] | 1468 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1469 | void (*print)(struct batadv_priv *priv, struct seq_file *seq, |
| 1470 | struct batadv_hard_iface *hard_iface); |
Sven Eckelmann | dc1cbd1 | 2016-07-16 09:31:20 +0200 | [diff] [blame] | 1471 | #endif |
Matthias Schiffer | 85cf8c8 | 2016-07-03 13:31:39 +0200 | [diff] [blame] | 1472 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
| 1473 | struct batadv_priv *priv, |
| 1474 | struct batadv_hard_iface *hard_iface); |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1475 | }; |
| 1476 | |
| 1477 | /** |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 1478 | * struct batadv_algo_gw_ops - mesh algorithm callbacks (GW specific) |
Sven Eckelmann | 4ae2c06 | 2020-03-16 23:30:44 +0100 | [diff] [blame] | 1479 | * @init_sel_class: initialize GW selection class (optional) |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 1480 | * @store_sel_class: parse and stores a new GW selection class (optional) |
| 1481 | * @show_sel_class: prints the current GW selection class (optional) |
Antonio Quartulli | 34d99cf | 2016-07-03 12:46:33 +0200 | [diff] [blame] | 1482 | * @get_best_gw_node: select the best GW from the list of available nodes |
| 1483 | * (optional) |
| 1484 | * @is_eligible: check if a newly discovered GW is a potential candidate for |
| 1485 | * the election as best GW (optional) |
| 1486 | * @print: print the gateway table (optional) |
Sven Eckelmann | d7129da | 2016-07-03 13:31:42 +0200 | [diff] [blame] | 1487 | * @dump: dump gateways to a netlink socket (optional) |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 1488 | */ |
| 1489 | struct batadv_algo_gw_ops { |
Sven Eckelmann | 4ae2c06 | 2020-03-16 23:30:44 +0100 | [diff] [blame] | 1490 | void (*init_sel_class)(struct batadv_priv *bat_priv); |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 1491 | ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff, |
| 1492 | size_t count); |
| 1493 | ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff); |
Antonio Quartulli | 34d99cf | 2016-07-03 12:46:33 +0200 | [diff] [blame] | 1494 | struct batadv_gw_node *(*get_best_gw_node) |
| 1495 | (struct batadv_priv *bat_priv); |
| 1496 | bool (*is_eligible)(struct batadv_priv *bat_priv, |
| 1497 | struct batadv_orig_node *curr_gw_orig, |
| 1498 | struct batadv_orig_node *orig_node); |
Sven Eckelmann | dc1cbd1 | 2016-07-16 09:31:20 +0200 | [diff] [blame] | 1499 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
Antonio Quartulli | 34d99cf | 2016-07-03 12:46:33 +0200 | [diff] [blame] | 1500 | void (*print)(struct batadv_priv *bat_priv, struct seq_file *seq); |
Sven Eckelmann | dc1cbd1 | 2016-07-16 09:31:20 +0200 | [diff] [blame] | 1501 | #endif |
Sven Eckelmann | d7129da | 2016-07-03 13:31:42 +0200 | [diff] [blame] | 1502 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
| 1503 | struct batadv_priv *priv); |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 1504 | }; |
| 1505 | |
| 1506 | /** |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1507 | * struct batadv_algo_ops - mesh algorithm callbacks |
| 1508 | * @list: list node for the batadv_algo_list |
| 1509 | * @name: name of the algorithm |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1510 | * @iface: callbacks related to interface handling |
| 1511 | * @neigh: callbacks related to neighbors handling |
| 1512 | * @orig: callbacks related to originators handling |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 1513 | * @gw: callbacks related to GW mode |
Marek Lindner | 88a32c9 | 2012-12-25 21:45:12 +0800 | [diff] [blame] | 1514 | */ |
Sven Eckelmann | 56303d3 | 2012-06-05 22:31:31 +0200 | [diff] [blame] | 1515 | struct batadv_algo_ops { |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 1516 | struct hlist_node list; |
| 1517 | char *name; |
Antonio Quartulli | 29824a5 | 2016-05-25 23:27:31 +0800 | [diff] [blame] | 1518 | struct batadv_algo_iface_ops iface; |
| 1519 | struct batadv_algo_neigh_ops neigh; |
| 1520 | struct batadv_algo_orig_ops orig; |
Antonio Quartulli | 0868694 | 2016-07-03 12:46:32 +0200 | [diff] [blame] | 1521 | struct batadv_algo_gw_ops gw; |
Marek Lindner | 1c28047 | 2011-11-28 17:40:17 +0800 | [diff] [blame] | 1522 | }; |
| 1523 | |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 1524 | /** |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 1525 | * struct batadv_dat_entry - it is a single entry of batman-adv ARP backend. It |
| 1526 | * is used to stored ARP entries needed for the global DAT cache |
| 1527 | * @ip: the IPv4 corresponding to this DAT/ARP entry |
| 1528 | * @mac_addr: the MAC address associated to the stored IPv4 |
Antonio Quartulli | be1db4f | 2013-06-04 12:11:43 +0200 | [diff] [blame] | 1529 | * @vid: the vlan ID associated to this entry |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 1530 | * @last_update: time in jiffies when this entry was refreshed last time |
| 1531 | * @hash_entry: hlist node for batadv_priv_dat::hash |
| 1532 | * @refcount: number of contexts the object is used |
| 1533 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1534 | */ |
| 1535 | struct batadv_dat_entry { |
| 1536 | __be32 ip; |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1537 | u8 mac_addr[ETH_ALEN]; |
Antonio Quartulli | be1db4f | 2013-06-04 12:11:43 +0200 | [diff] [blame] | 1538 | unsigned short vid; |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 1539 | unsigned long last_update; |
| 1540 | struct hlist_node hash_entry; |
Sven Eckelmann | 68a6722 | 2016-01-16 10:29:47 +0100 | [diff] [blame] | 1541 | struct kref refcount; |
Antonio Quartulli | 2f1dfbe | 2012-06-30 20:01:19 +0200 | [diff] [blame] | 1542 | struct rcu_head rcu; |
| 1543 | }; |
| 1544 | |
| 1545 | /** |
Linus Lüssing | c5caf4e | 2014-02-15 17:47:49 +0100 | [diff] [blame] | 1546 | * struct batadv_hw_addr - a list entry for a MAC address |
| 1547 | * @list: list node for the linking of entries |
| 1548 | * @addr: the MAC address of this list entry |
| 1549 | */ |
| 1550 | struct batadv_hw_addr { |
| 1551 | struct hlist_node list; |
| 1552 | unsigned char addr[ETH_ALEN]; |
| 1553 | }; |
| 1554 | |
| 1555 | /** |
Antonio Quartulli | 785ea11 | 2011-11-23 11:35:44 +0100 | [diff] [blame] | 1556 | * struct batadv_dat_candidate - candidate destination for DAT operations |
| 1557 | * @type: the type of the selected candidate. It can one of the following: |
| 1558 | * - BATADV_DAT_CANDIDATE_NOT_FOUND |
| 1559 | * - BATADV_DAT_CANDIDATE_ORIG |
| 1560 | * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to the |
| 1561 | * corresponding originator node structure |
| 1562 | */ |
| 1563 | struct batadv_dat_candidate { |
| 1564 | int type; |
| 1565 | struct batadv_orig_node *orig_node; |
| 1566 | }; |
| 1567 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 1568 | /** |
| 1569 | * struct batadv_tvlv_container - container for tvlv appended to OGMs |
| 1570 | * @list: hlist node for batadv_priv_tvlv::container_list |
| 1571 | * @tvlv_hdr: tvlv header information needed to construct the tvlv |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 1572 | * @refcount: number of contexts the object is used |
| 1573 | */ |
| 1574 | struct batadv_tvlv_container { |
| 1575 | struct hlist_node list; |
| 1576 | struct batadv_tvlv_hdr tvlv_hdr; |
Sven Eckelmann | f7157dd | 2016-01-16 10:29:48 +0100 | [diff] [blame] | 1577 | struct kref refcount; |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 1578 | }; |
| 1579 | |
| 1580 | /** |
| 1581 | * struct batadv_tvlv_handler - handler for specific tvlv type and version |
| 1582 | * @list: hlist node for batadv_priv_tvlv::handler_list |
| 1583 | * @ogm_handler: handler callback which is given the tvlv payload to process on |
| 1584 | * incoming OGM packets |
| 1585 | * @unicast_handler: handler callback which is given the tvlv payload to process |
| 1586 | * on incoming unicast tvlv packets |
| 1587 | * @type: tvlv type this handler feels responsible for |
| 1588 | * @version: tvlv version this handler feels responsible for |
| 1589 | * @flags: tvlv handler flags |
| 1590 | * @refcount: number of contexts the object is used |
| 1591 | * @rcu: struct used for freeing in an RCU-safe manner |
| 1592 | */ |
| 1593 | struct batadv_tvlv_handler { |
| 1594 | struct hlist_node list; |
| 1595 | void (*ogm_handler)(struct batadv_priv *bat_priv, |
| 1596 | struct batadv_orig_node *orig, |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1597 | u8 flags, void *tvlv_value, u16 tvlv_value_len); |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 1598 | int (*unicast_handler)(struct batadv_priv *bat_priv, |
Sven Eckelmann | 6b5e971 | 2015-05-26 18:34:26 +0200 | [diff] [blame] | 1599 | u8 *src, u8 *dst, |
| 1600 | void *tvlv_value, u16 tvlv_value_len); |
| 1601 | u8 type; |
| 1602 | u8 version; |
| 1603 | u8 flags; |
Sven Eckelmann | 32836f5 | 2016-01-16 10:29:49 +0100 | [diff] [blame] | 1604 | struct kref refcount; |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 1605 | struct rcu_head rcu; |
| 1606 | }; |
| 1607 | |
| 1608 | /** |
| 1609 | * enum batadv_tvlv_handler_flags - tvlv handler flags definitions |
| 1610 | * @BATADV_TVLV_HANDLER_OGM_CIFNOTFND: tvlv ogm processing function will call |
| 1611 | * this handler even if its type was not found (with no data) |
| 1612 | * @BATADV_TVLV_HANDLER_OGM_CALLED: interval tvlv handling flag - the API marks |
| 1613 | * a handler as being called, so it won't be called if the |
| 1614 | * BATADV_TVLV_HANDLER_OGM_CIFNOTFND flag was set |
| 1615 | */ |
| 1616 | enum batadv_tvlv_handler_flags { |
| 1617 | BATADV_TVLV_HANDLER_OGM_CIFNOTFND = BIT(1), |
| 1618 | BATADV_TVLV_HANDLER_OGM_CALLED = BIT(2), |
| 1619 | }; |
| 1620 | |
Sven Eckelmann | 77d69d8 | 2016-06-13 07:41:30 +0200 | [diff] [blame] | 1621 | /** |
| 1622 | * struct batadv_store_mesh_work - Work queue item to detach add/del interface |
| 1623 | * from sysfs locks |
| 1624 | * @net_dev: netdevice to add/remove to/from batman-adv soft-interface |
| 1625 | * @soft_iface_name: name of soft-interface to modify |
| 1626 | * @work: work queue item |
| 1627 | */ |
| 1628 | struct batadv_store_mesh_work { |
| 1629 | struct net_device *net_dev; |
| 1630 | char soft_iface_name[IFNAMSIZ]; |
| 1631 | struct work_struct work; |
| 1632 | }; |
| 1633 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 1634 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |