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ac79cbb9 | 1 | /* Copyright (C) 2007-2017 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
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 | |
ebf38fb7 | 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
c6c8fea2 SE |
16 | */ |
17 | ||
c6c8fea2 SE |
18 | #ifndef _NET_BATMAN_ADV_TYPES_H_ |
19 | #define _NET_BATMAN_ADV_TYPES_H_ | |
20 | ||
1e2c2a4f SE |
21 | #ifndef _NET_BATMAN_ADV_MAIN_H_ |
22 | #error only "main.h" can be included directly | |
23 | #endif | |
24 | ||
162bd64c | 25 | #include <linux/average.h> |
1e2c2a4f SE |
26 | #include <linux/bitops.h> |
27 | #include <linux/compiler.h> | |
28 | #include <linux/if_ether.h> | |
90f564df | 29 | #include <linux/kref.h> |
1e2c2a4f | 30 | #include <linux/netdevice.h> |
85cf8c85 | 31 | #include <linux/netlink.h> |
1e2c2a4f SE |
32 | #include <linux/sched.h> /* for linux/wait.h */ |
33 | #include <linux/spinlock.h> | |
34 | #include <linux/types.h> | |
35 | #include <linux/wait.h> | |
36 | #include <linux/workqueue.h> | |
33a3bb4a | 37 | #include <uapi/linux/batman_adv.h> |
1e2c2a4f | 38 | |
c6c8fea2 | 39 | #include "packet.h" |
1e2c2a4f SE |
40 | |
41 | struct seq_file; | |
c6c8fea2 | 42 | |
17224474 AQ |
43 | #ifdef CONFIG_BATMAN_ADV_DAT |
44 | ||
151dcb3c AQ |
45 | /** |
46 | * batadv_dat_addr_t - it is the type used for all DHT addresses. If it is | |
47 | * changed, BATADV_DAT_ADDR_MAX is changed as well. | |
785ea114 AQ |
48 | * |
49 | * *Please be careful: batadv_dat_addr_t must be UNSIGNED* | |
50 | */ | |
6b5e971a | 51 | #define batadv_dat_addr_t u16 |
785ea114 | 52 | |
17224474 AQ |
53 | #endif /* CONFIG_BATMAN_ADV_DAT */ |
54 | ||
6c413b1c AQ |
55 | /** |
56 | * enum batadv_dhcp_recipient - dhcp destination | |
57 | * @BATADV_DHCP_NO: packet is not a dhcp message | |
58 | * @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server | |
59 | * @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client | |
60 | */ | |
61 | enum batadv_dhcp_recipient { | |
62 | BATADV_DHCP_NO = 0, | |
63 | BATADV_DHCP_TO_SERVER, | |
64 | BATADV_DHCP_TO_CLIENT, | |
65 | }; | |
66 | ||
3c4f7ab6 AQ |
67 | /** |
68 | * BATADV_TT_REMOTE_MASK - bitmask selecting the flags that are sent over the | |
69 | * wire only | |
70 | */ | |
71 | #define BATADV_TT_REMOTE_MASK 0x00FF | |
72 | ||
0eb01568 AQ |
73 | /** |
74 | * BATADV_TT_SYNC_MASK - bitmask of the flags that need to be kept in sync | |
75 | * among the nodes. These flags are used to compute the global/local CRC | |
76 | */ | |
77 | #define BATADV_TT_SYNC_MASK 0x00F0 | |
78 | ||
14511519 | 79 | /** |
d1f68250 | 80 | * struct batadv_hard_iface_bat_iv - per hard-interface B.A.T.M.A.N. IV data |
14511519 ML |
81 | * @ogm_buff: buffer holding the OGM packet |
82 | * @ogm_buff_len: length of the OGM packet buffer | |
83 | * @ogm_seqno: OGM sequence number - used to identify each OGM | |
84 | */ | |
85 | struct batadv_hard_iface_bat_iv { | |
86 | unsigned char *ogm_buff; | |
87 | int ogm_buff_len; | |
88 | atomic_t ogm_seqno; | |
9daec75b SE |
89 | |
90 | /** @ogm_buff_mutex: lock protecting ogm_buff and ogm_buff_len */ | |
91 | struct mutex ogm_buff_mutex; | |
14511519 ML |
92 | }; |
93 | ||
c833484e AQ |
94 | /** |
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 | ||
d6f94d91 LL |
106 | /** |
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 | |
0b5ecc68 | 112 | * @throughput_override: throughput override to disable link auto-detection |
c833484e | 113 | * @flags: interface specific flags |
d6f94d91 LL |
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; | |
0b5ecc68 | 120 | atomic_t throughput_override; |
c833484e | 121 | u8 flags; |
d6f94d91 LL |
122 | }; |
123 | ||
10b1bbb4 SE |
124 | /** |
125 | * enum batadv_hard_iface_wifi_flags - Flags describing the wifi configuration | |
126 | * of a batadv_hard_iface | |
127 | * @BATADV_HARDIF_WIFI_WEXT_DIRECT: it is a wext wifi device | |
128 | * @BATADV_HARDIF_WIFI_CFG80211_DIRECT: it is a cfg80211 wifi device | |
5ed4a460 ML |
129 | * @BATADV_HARDIF_WIFI_WEXT_INDIRECT: link device is a wext wifi device |
130 | * @BATADV_HARDIF_WIFI_CFG80211_INDIRECT: link device is a cfg80211 wifi device | |
10b1bbb4 SE |
131 | */ |
132 | enum batadv_hard_iface_wifi_flags { | |
133 | BATADV_HARDIF_WIFI_WEXT_DIRECT = BIT(0), | |
134 | BATADV_HARDIF_WIFI_CFG80211_DIRECT = BIT(1), | |
5ed4a460 ML |
135 | BATADV_HARDIF_WIFI_WEXT_INDIRECT = BIT(2), |
136 | BATADV_HARDIF_WIFI_CFG80211_INDIRECT = BIT(3), | |
10b1bbb4 SE |
137 | }; |
138 | ||
88a32c9a ML |
139 | /** |
140 | * struct batadv_hard_iface - network device known to batman-adv | |
141 | * @list: list node for batadv_hardif_list | |
142 | * @if_num: identificator of the interface | |
143 | * @if_status: status of the interface for batman-adv | |
caf65bfc | 144 | * @num_bcasts: number of payload re-broadcasts on this interface (ARQ) |
10b1bbb4 | 145 | * @wifi_flags: flags whether this is (directly or indirectly) a wifi interface |
75721643 | 146 | * @net_dev: pointer to the net_device |
88a32c9a ML |
147 | * @hardif_obj: kobject of the per interface sysfs "mesh" directory |
148 | * @refcount: number of contexts the object is used | |
149 | * @batman_adv_ptype: packet type describing packets that should be processed by | |
150 | * batman-adv for this interface | |
151 | * @soft_iface: the batman-adv interface which uses this network interface | |
152 | * @rcu: struct used for freeing in an RCU-safe manner | |
d1f68250 | 153 | * @bat_iv: per hard-interface B.A.T.M.A.N. IV data |
d6f94d91 | 154 | * @bat_v: per hard-interface B.A.T.M.A.N. V data |
5bc7c1eb | 155 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs |
cef63419 ML |
156 | * @neigh_list: list of unique single hop neighbors via this interface |
157 | * @neigh_list_lock: lock protecting neigh_list | |
88a32c9a | 158 | */ |
56303d34 | 159 | struct batadv_hard_iface { |
c6c8fea2 | 160 | struct list_head list; |
6b5e971a | 161 | s16 if_num; |
c6c8fea2 | 162 | char if_status; |
6b5e971a | 163 | u8 num_bcasts; |
10b1bbb4 | 164 | u32 wifi_flags; |
75721643 | 165 | struct net_device *net_dev; |
c6c8fea2 | 166 | struct kobject *hardif_obj; |
7a659d56 | 167 | struct kref refcount; |
c6c8fea2 SE |
168 | struct packet_type batman_adv_ptype; |
169 | struct net_device *soft_iface; | |
170 | struct rcu_head rcu; | |
14511519 | 171 | struct batadv_hard_iface_bat_iv bat_iv; |
d6f94d91 LL |
172 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
173 | struct batadv_hard_iface_bat_v bat_v; | |
174 | #endif | |
5bc7c1eb | 175 | struct dentry *debug_dir; |
cef63419 ML |
176 | struct hlist_head neigh_list; |
177 | /* neigh_list_lock protects: neigh_list */ | |
178 | spinlock_t neigh_list_lock; | |
c6c8fea2 SE |
179 | }; |
180 | ||
7351a482 SW |
181 | /** |
182 | * struct batadv_orig_ifinfo - originator info per outgoing interface | |
183 | * @list: list node for orig_node::ifinfo_list | |
d1f68250 | 184 | * @if_outgoing: pointer to outgoing hard-interface |
7351a482 SW |
185 | * @router: router that should be used to reach this originator |
186 | * @last_real_seqno: last and best known sequence number | |
187 | * @last_ttl: ttl of last received packet | |
9323158e | 188 | * @last_seqno_forwarded: seqno of the OGM which was forwarded last |
7351a482 SW |
189 | * @batman_seqno_reset: time when the batman seqno window was reset |
190 | * @refcount: number of contexts the object is used | |
191 | * @rcu: struct used for freeing in an RCU-safe manner | |
192 | */ | |
193 | struct batadv_orig_ifinfo { | |
194 | struct hlist_node list; | |
195 | struct batadv_hard_iface *if_outgoing; | |
196 | struct batadv_neigh_node __rcu *router; /* rcu protected pointer */ | |
6b5e971a SE |
197 | u32 last_real_seqno; |
198 | u8 last_ttl; | |
9323158e | 199 | u32 last_seqno_forwarded; |
7351a482 | 200 | unsigned long batman_seqno_reset; |
a6ba0d34 | 201 | struct kref refcount; |
7351a482 SW |
202 | struct rcu_head rcu; |
203 | }; | |
204 | ||
610bfc6b MH |
205 | /** |
206 | * struct batadv_frag_table_entry - head in the fragment buffer table | |
176e5b77 | 207 | * @fragment_list: head of list with fragments |
610bfc6b MH |
208 | * @lock: lock to protect the list of fragments |
209 | * @timestamp: time (jiffie) of last received fragment | |
210 | * @seqno: sequence number of the fragments in the list | |
211 | * @size: accumulated size of packets in list | |
53e77145 | 212 | * @total_size: expected size of the assembled packet |
610bfc6b MH |
213 | */ |
214 | struct batadv_frag_table_entry { | |
176e5b77 SE |
215 | struct hlist_head fragment_list; |
216 | spinlock_t lock; /* protects fragment_list */ | |
610bfc6b | 217 | unsigned long timestamp; |
6b5e971a SE |
218 | u16 seqno; |
219 | u16 size; | |
220 | u16 total_size; | |
610bfc6b MH |
221 | }; |
222 | ||
223 | /** | |
224 | * struct batadv_frag_list_entry - entry in a list of fragments | |
225 | * @list: list node information | |
226 | * @skb: fragment | |
227 | * @no: fragment number in the set | |
228 | */ | |
229 | struct batadv_frag_list_entry { | |
230 | struct hlist_node list; | |
231 | struct sk_buff *skb; | |
6b5e971a | 232 | u8 no; |
610bfc6b MH |
233 | }; |
234 | ||
7ea7b4a1 AQ |
235 | /** |
236 | * struct batadv_vlan_tt - VLAN specific TT attributes | |
237 | * @crc: CRC32 checksum of the entries belonging to this vlan | |
238 | * @num_entries: number of TT entries for this VLAN | |
239 | */ | |
240 | struct batadv_vlan_tt { | |
6b5e971a | 241 | u32 crc; |
7ea7b4a1 AQ |
242 | atomic_t num_entries; |
243 | }; | |
244 | ||
245 | /** | |
1a321b0d | 246 | * struct batadv_orig_node_vlan - VLAN specific data per orig_node |
7ea7b4a1 AQ |
247 | * @vid: the VLAN identifier |
248 | * @tt: VLAN specific TT attributes | |
249 | * @list: list node for orig_node::vlan_list | |
250 | * @refcount: number of context where this object is currently in use | |
251 | * @rcu: struct used for freeing in a RCU-safe manner | |
252 | */ | |
253 | struct batadv_orig_node_vlan { | |
254 | unsigned short vid; | |
255 | struct batadv_vlan_tt tt; | |
d0fa4f3f | 256 | struct hlist_node list; |
161a3be9 | 257 | struct kref refcount; |
7ea7b4a1 AQ |
258 | struct rcu_head rcu; |
259 | }; | |
260 | ||
bbad0a5e AQ |
261 | /** |
262 | * struct batadv_orig_bat_iv - B.A.T.M.A.N. IV private orig_node members | |
d1f68250 | 263 | * @bcast_own: set of bitfields (one per hard-interface) where each one counts |
21102626 MP |
264 | * the number of our OGMs this orig_node rebroadcasted "back" to us (relative |
265 | * to last_real_seqno). Every bitfield is BATADV_TQ_LOCAL_WINDOW_SIZE bits long. | |
266 | * @bcast_own_sum: sum of bcast_own | |
bbad0a5e AQ |
267 | * @ogm_cnt_lock: lock protecting bcast_own, bcast_own_sum, |
268 | * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count | |
269 | */ | |
270 | struct batadv_orig_bat_iv { | |
271 | unsigned long *bcast_own; | |
6b5e971a | 272 | u8 *bcast_own_sum; |
bbad0a5e AQ |
273 | /* ogm_cnt_lock protects: bcast_own, bcast_own_sum, |
274 | * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count | |
275 | */ | |
276 | spinlock_t ogm_cnt_lock; | |
277 | }; | |
278 | ||
2c53040f | 279 | /** |
b6d0ab7c | 280 | * struct batadv_orig_node - structure for orig_list maintaining nodes of mesh |
88a32c9a | 281 | * @orig: originator ethernet address |
7351a482 | 282 | * @ifinfo_list: list for routers per outgoing interface |
f3b3d901 | 283 | * @last_bonding_candidate: pointer to last ifinfo of last used router |
006a199d | 284 | * @dat_addr: address of the orig node in the distributed hash |
88a32c9a | 285 | * @last_seen: time when last packet from this node was received |
b6d0ab7c | 286 | * @bcast_seqno_reset: time when the broadcast seqno window was reset |
8a4023c5 | 287 | * @mcast_handler_lock: synchronizes mcast-capability and -flag changes |
60432d75 | 288 | * @mcast_flags: multicast flags announced by the orig node |
006a199d | 289 | * @mcast_want_all_unsnoopables_node: a list node for the |
ab49886e | 290 | * mcast.want_all_unsnoopables list |
4c8755d6 LL |
291 | * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4 list |
292 | * @mcast_want_all_ipv6_node: a list node for the mcast.want_all_ipv6 list | |
17cf0ea4 | 293 | * @capabilities: announced capabilities of this originator |
e17931d1 | 294 | * @capa_initialized: bitfield to remember whether a capability was initialized |
88a32c9a | 295 | * @last_ttvn: last seen translation table version number |
88a32c9a ML |
296 | * @tt_buff: last tt changeset this node received from the orig node |
297 | * @tt_buff_len: length of the last tt changeset this node received from the | |
298 | * orig node | |
299 | * @tt_buff_lock: lock that protects tt_buff and tt_buff_len | |
a70a9aa9 AQ |
300 | * @tt_lock: prevents from updating the table while reading it. Table update is |
301 | * made up by two operations (data structure update and metdata -CRC/TTVN- | |
302 | * recalculation) and they have to be executed atomically in order to avoid | |
303 | * another thread to read the table/metadata between those. | |
88a32c9a ML |
304 | * @bcast_bits: bitfield containing the info which payload broadcast originated |
305 | * from this orig node this host already has seen (relative to | |
306 | * last_bcast_seqno) | |
b6d0ab7c | 307 | * @last_bcast_seqno: last broadcast sequence number received by this host |
88a32c9a | 308 | * @neigh_list: list of potential next hop neighbor towards this orig node |
f6c8b711 | 309 | * @neigh_list_lock: lock protecting neigh_list and router |
88a32c9a ML |
310 | * @hash_entry: hlist node for batadv_priv::orig_hash |
311 | * @bat_priv: pointer to soft_iface this orig node belongs to | |
88a32c9a | 312 | * @bcast_seqno_lock: lock protecting bcast_bits & last_bcast_seqno |
88a32c9a ML |
313 | * @refcount: number of contexts the object is used |
314 | * @rcu: struct used for freeing in an RCU-safe manner | |
d56b1705 MH |
315 | * @in_coding_list: list of nodes this orig can hear |
316 | * @out_coding_list: list of nodes that can hear this orig | |
317 | * @in_coding_list_lock: protects in_coding_list | |
318 | * @out_coding_list_lock: protects out_coding_list | |
610bfc6b | 319 | * @fragments: array with heads for fragment chains |
7ea7b4a1 AQ |
320 | * @vlan_list: a list of orig_node_vlan structs, one per VLAN served by the |
321 | * originator represented by this object | |
322 | * @vlan_list_lock: lock protecting vlan_list | |
bbad0a5e | 323 | * @bat_iv: B.A.T.M.A.N. IV private structure |
c6c8fea2 | 324 | */ |
56303d34 | 325 | struct batadv_orig_node { |
6b5e971a | 326 | u8 orig[ETH_ALEN]; |
7351a482 | 327 | struct hlist_head ifinfo_list; |
f3b3d901 | 328 | struct batadv_orig_ifinfo *last_bonding_candidate; |
17224474 | 329 | #ifdef CONFIG_BATMAN_ADV_DAT |
785ea114 | 330 | batadv_dat_addr_t dat_addr; |
17224474 | 331 | #endif |
d7b2a97e | 332 | unsigned long last_seen; |
c6c8fea2 | 333 | unsigned long bcast_seqno_reset; |
60432d75 | 334 | #ifdef CONFIG_BATMAN_ADV_MCAST |
8a4023c5 LL |
335 | /* synchronizes mcast tvlv specific orig changes */ |
336 | spinlock_t mcast_handler_lock; | |
6b5e971a | 337 | u8 mcast_flags; |
ab49886e | 338 | struct hlist_node mcast_want_all_unsnoopables_node; |
4c8755d6 LL |
339 | struct hlist_node mcast_want_all_ipv4_node; |
340 | struct hlist_node mcast_want_all_ipv6_node; | |
60432d75 | 341 | #endif |
65d7d460 | 342 | unsigned long capabilities; |
ac4eebd4 | 343 | unsigned long capa_initialized; |
88a32c9a | 344 | atomic_t last_ttvn; |
2dafb49d | 345 | unsigned char *tt_buff; |
6b5e971a | 346 | s16 tt_buff_len; |
88a32c9a | 347 | spinlock_t tt_buff_lock; /* protects tt_buff & tt_buff_len */ |
a70a9aa9 AQ |
348 | /* prevents from changing the table while reading it */ |
349 | spinlock_t tt_lock; | |
42d0b044 | 350 | DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
6b5e971a | 351 | u32 last_bcast_seqno; |
9591a79f | 352 | struct hlist_head neigh_list; |
15c2ed75 SE |
353 | /* neigh_list_lock protects: neigh_list, ifinfo_list, |
354 | * last_bonding_candidate and router | |
355 | */ | |
88a32c9a | 356 | spinlock_t neigh_list_lock; |
7aadf889 | 357 | struct hlist_node hash_entry; |
56303d34 | 358 | struct batadv_priv *bat_priv; |
88a32c9a | 359 | /* bcast_seqno_lock protects: bcast_bits & last_bcast_seqno */ |
6e215fd8 | 360 | spinlock_t bcast_seqno_lock; |
7c124391 | 361 | struct kref refcount; |
88a32c9a | 362 | struct rcu_head rcu; |
d56b1705 MH |
363 | #ifdef CONFIG_BATMAN_ADV_NC |
364 | struct list_head in_coding_list; | |
365 | struct list_head out_coding_list; | |
366 | spinlock_t in_coding_list_lock; /* Protects in_coding_list */ | |
367 | spinlock_t out_coding_list_lock; /* Protects out_coding_list */ | |
368 | #endif | |
610bfc6b | 369 | struct batadv_frag_table_entry fragments[BATADV_FRAG_BUFFER_COUNT]; |
d0fa4f3f | 370 | struct hlist_head vlan_list; |
7ea7b4a1 | 371 | spinlock_t vlan_list_lock; /* protects vlan_list */ |
bbad0a5e | 372 | struct batadv_orig_bat_iv bat_iv; |
c6c8fea2 SE |
373 | }; |
374 | ||
17cf0ea4 ML |
375 | /** |
376 | * enum batadv_orig_capabilities - orig node capabilities | |
377 | * @BATADV_ORIG_CAPA_HAS_DAT: orig node has distributed arp table enabled | |
3f4841ff | 378 | * @BATADV_ORIG_CAPA_HAS_NC: orig node has network coding enabled |
e17931d1 | 379 | * @BATADV_ORIG_CAPA_HAS_TT: orig node has tt capability |
60432d75 LL |
380 | * @BATADV_ORIG_CAPA_HAS_MCAST: orig node has some multicast capability |
381 | * (= orig node announces a tvlv of type BATADV_TVLV_MCAST) | |
17cf0ea4 ML |
382 | */ |
383 | enum batadv_orig_capabilities { | |
65d7d460 | 384 | BATADV_ORIG_CAPA_HAS_DAT, |
4635469f | 385 | BATADV_ORIG_CAPA_HAS_NC, |
ac4eebd4 | 386 | BATADV_ORIG_CAPA_HAS_TT, |
9c936e3f | 387 | BATADV_ORIG_CAPA_HAS_MCAST, |
17cf0ea4 ML |
388 | }; |
389 | ||
88a32c9a ML |
390 | /** |
391 | * struct batadv_gw_node - structure for orig nodes announcing gw capabilities | |
392 | * @list: list node for batadv_priv_gw::list | |
393 | * @orig_node: pointer to corresponding orig node | |
414254e3 ML |
394 | * @bandwidth_down: advertised uplink download bandwidth |
395 | * @bandwidth_up: advertised uplink upload bandwidth | |
88a32c9a ML |
396 | * @refcount: number of contexts the object is used |
397 | * @rcu: struct used for freeing in an RCU-safe manner | |
398 | */ | |
56303d34 | 399 | struct batadv_gw_node { |
c6c8fea2 | 400 | struct hlist_node list; |
56303d34 | 401 | struct batadv_orig_node *orig_node; |
6b5e971a SE |
402 | u32 bandwidth_down; |
403 | u32 bandwidth_up; | |
e7aed321 | 404 | struct kref refcount; |
c6c8fea2 SE |
405 | struct rcu_head rcu; |
406 | }; | |
407 | ||
eb1e011a | 408 | DECLARE_EWMA(throughput, 10, 8) |
162bd64c LL |
409 | |
410 | /** | |
411 | * struct batadv_hardif_neigh_node_bat_v - B.A.T.M.A.N. V private neighbor | |
412 | * information | |
413 | * @throughput: ewma link throughput towards this neighbor | |
414 | * @elp_interval: time interval between two ELP transmissions | |
415 | * @elp_latest_seqno: latest and best known ELP sequence number | |
95d39278 | 416 | * @last_unicast_tx: when the last unicast packet has been sent to this neighbor |
c833484e | 417 | * @metric_work: work queue callback item for metric update |
162bd64c LL |
418 | */ |
419 | struct batadv_hardif_neigh_node_bat_v { | |
420 | struct ewma_throughput throughput; | |
421 | u32 elp_interval; | |
422 | u32 elp_latest_seqno; | |
95d39278 | 423 | unsigned long last_unicast_tx; |
c833484e | 424 | struct work_struct metric_work; |
162bd64c LL |
425 | }; |
426 | ||
cef63419 | 427 | /** |
d1f68250 | 428 | * struct batadv_hardif_neigh_node - unique neighbor per hard-interface |
cef63419 ML |
429 | * @list: list node for batadv_hard_iface::neigh_list |
430 | * @addr: the MAC address of the neighboring interface | |
3111beed | 431 | * @orig: the address of the originator this neighbor node belongs to |
d1f68250 ML |
432 | * @if_incoming: pointer to incoming hard-interface |
433 | * @last_seen: when last packet via this neighbor was received | |
162bd64c | 434 | * @bat_v: B.A.T.M.A.N. V private data |
cef63419 ML |
435 | * @refcount: number of contexts the object is used |
436 | * @rcu: struct used for freeing in a RCU-safe manner | |
437 | */ | |
438 | struct batadv_hardif_neigh_node { | |
439 | struct hlist_node list; | |
440 | u8 addr[ETH_ALEN]; | |
3111beed | 441 | u8 orig[ETH_ALEN]; |
cef63419 ML |
442 | struct batadv_hard_iface *if_incoming; |
443 | unsigned long last_seen; | |
162bd64c LL |
444 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
445 | struct batadv_hardif_neigh_node_bat_v bat_v; | |
446 | #endif | |
90f564df | 447 | struct kref refcount; |
cef63419 ML |
448 | struct rcu_head rcu; |
449 | }; | |
450 | ||
88a32c9a | 451 | /** |
89652331 SW |
452 | * struct batadv_neigh_node - structure for single hops neighbors |
453 | * @list: list node for batadv_orig_node::neigh_list | |
454 | * @orig_node: pointer to corresponding orig_node | |
455 | * @addr: the MAC address of the neighboring interface | |
456 | * @ifinfo_list: list for routing metrics per outgoing interface | |
457 | * @ifinfo_lock: lock protecting private ifinfo members and list | |
d1f68250 | 458 | * @if_incoming: pointer to incoming hard-interface |
89652331 | 459 | * @last_seen: when last packet via this neighbor was received |
abe59c65 | 460 | * @hardif_neigh: hardif_neigh of this neighbor |
ed21d170 | 461 | * @refcount: number of contexts the object is used |
89652331 | 462 | * @rcu: struct used for freeing in an RCU-safe manner |
89652331 SW |
463 | */ |
464 | struct batadv_neigh_node { | |
465 | struct hlist_node list; | |
466 | struct batadv_orig_node *orig_node; | |
6b5e971a | 467 | u8 addr[ETH_ALEN]; |
89652331 SW |
468 | struct hlist_head ifinfo_list; |
469 | spinlock_t ifinfo_lock; /* protects ifinfo_list and its members */ | |
470 | struct batadv_hard_iface *if_incoming; | |
471 | unsigned long last_seen; | |
abe59c65 | 472 | struct batadv_hardif_neigh_node *hardif_neigh; |
77ae32e8 | 473 | struct kref refcount; |
89652331 SW |
474 | struct rcu_head rcu; |
475 | }; | |
476 | ||
1b371d13 | 477 | /** |
1a321b0d | 478 | * struct batadv_neigh_ifinfo_bat_iv - neighbor information per outgoing |
d1f68250 | 479 | * interface for B.A.T.M.A.N. IV |
88a32c9a ML |
480 | * @tq_recv: ring buffer of received TQ values from this neigh node |
481 | * @tq_index: ring buffer index | |
482 | * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv) | |
88a32c9a ML |
483 | * @real_bits: bitfield containing the number of OGMs received from this neigh |
484 | * node (relative to orig_node->last_real_seqno) | |
485 | * @real_packet_count: counted result of real_bits | |
0538f759 | 486 | */ |
89652331 | 487 | struct batadv_neigh_ifinfo_bat_iv { |
6b5e971a SE |
488 | u8 tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; |
489 | u8 tq_index; | |
490 | u8 tq_avg; | |
0538f759 | 491 | DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
6b5e971a | 492 | u8 real_packet_count; |
0538f759 AQ |
493 | }; |
494 | ||
162bd64c LL |
495 | /** |
496 | * struct batadv_neigh_ifinfo_bat_v - neighbor information per outgoing | |
497 | * interface for B.A.T.M.A.N. V | |
498 | * @throughput: last throughput metric received from originator via this neigh | |
9323158e | 499 | * @last_seqno: last sequence number known for this neighbor |
162bd64c LL |
500 | */ |
501 | struct batadv_neigh_ifinfo_bat_v { | |
502 | u32 throughput; | |
9323158e | 503 | u32 last_seqno; |
162bd64c LL |
504 | }; |
505 | ||
1b371d13 SW |
506 | /** |
507 | * struct batadv_neigh_ifinfo - neighbor information per outgoing interface | |
89652331 | 508 | * @list: list node for batadv_neigh_node::ifinfo_list |
d1f68250 | 509 | * @if_outgoing: pointer to outgoing hard-interface |
89652331 | 510 | * @bat_iv: B.A.T.M.A.N. IV private structure |
162bd64c | 511 | * @bat_v: B.A.T.M.A.N. V private data |
0538f759 | 512 | * @last_ttl: last received ttl from this neigh node |
88a32c9a | 513 | * @refcount: number of contexts the object is used |
89652331 | 514 | * @rcu: struct used for freeing in a RCU-safe manner |
c6c8fea2 | 515 | */ |
89652331 | 516 | struct batadv_neigh_ifinfo { |
9591a79f | 517 | struct hlist_node list; |
89652331 SW |
518 | struct batadv_hard_iface *if_outgoing; |
519 | struct batadv_neigh_ifinfo_bat_iv bat_iv; | |
162bd64c LL |
520 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
521 | struct batadv_neigh_ifinfo_bat_v bat_v; | |
522 | #endif | |
6b5e971a | 523 | u8 last_ttl; |
962c6832 | 524 | struct kref refcount; |
88a32c9a | 525 | struct rcu_head rcu; |
c6c8fea2 SE |
526 | }; |
527 | ||
426fc6c8 SE |
528 | #ifdef CONFIG_BATMAN_ADV_BLA |
529 | ||
88a32c9a ML |
530 | /** |
531 | * struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression | |
006a199d | 532 | * @orig: mac address of orig node orginating the broadcast |
88a32c9a ML |
533 | * @crc: crc32 checksum of broadcast payload |
534 | * @entrytime: time when the broadcast packet was received | |
535 | */ | |
56303d34 | 536 | struct batadv_bcast_duplist_entry { |
6b5e971a | 537 | u8 orig[ETH_ALEN]; |
004e86fc | 538 | __be32 crc; |
fe2da6ff SW |
539 | unsigned long entrytime; |
540 | }; | |
7a5cc242 | 541 | #endif |
c6c8fea2 | 542 | |
88a32c9a ML |
543 | /** |
544 | * enum batadv_counters - indices for traffic counters | |
545 | * @BATADV_CNT_TX: transmitted payload traffic packet counter | |
546 | * @BATADV_CNT_TX_BYTES: transmitted payload traffic bytes counter | |
547 | * @BATADV_CNT_TX_DROPPED: dropped transmission payload traffic packet counter | |
548 | * @BATADV_CNT_RX: received payload traffic packet counter | |
549 | * @BATADV_CNT_RX_BYTES: received payload traffic bytes counter | |
550 | * @BATADV_CNT_FORWARD: forwarded payload traffic packet counter | |
551 | * @BATADV_CNT_FORWARD_BYTES: forwarded payload traffic bytes counter | |
552 | * @BATADV_CNT_MGMT_TX: transmitted routing protocol traffic packet counter | |
553 | * @BATADV_CNT_MGMT_TX_BYTES: transmitted routing protocol traffic bytes counter | |
554 | * @BATADV_CNT_MGMT_RX: received routing protocol traffic packet counter | |
555 | * @BATADV_CNT_MGMT_RX_BYTES: received routing protocol traffic bytes counter | |
ee75ed88 MH |
556 | * @BATADV_CNT_FRAG_TX: transmitted fragment traffic packet counter |
557 | * @BATADV_CNT_FRAG_TX_BYTES: transmitted fragment traffic bytes counter | |
610bfc6b MH |
558 | * @BATADV_CNT_FRAG_RX: received fragment traffic packet counter |
559 | * @BATADV_CNT_FRAG_RX_BYTES: received fragment traffic bytes counter | |
560 | * @BATADV_CNT_FRAG_FWD: forwarded fragment traffic packet counter | |
561 | * @BATADV_CNT_FRAG_FWD_BYTES: forwarded fragment traffic bytes counter | |
88a32c9a ML |
562 | * @BATADV_CNT_TT_REQUEST_TX: transmitted tt req traffic packet counter |
563 | * @BATADV_CNT_TT_REQUEST_RX: received tt req traffic packet counter | |
564 | * @BATADV_CNT_TT_RESPONSE_TX: transmitted tt resp traffic packet counter | |
565 | * @BATADV_CNT_TT_RESPONSE_RX: received tt resp traffic packet counter | |
566 | * @BATADV_CNT_TT_ROAM_ADV_TX: transmitted tt roam traffic packet counter | |
567 | * @BATADV_CNT_TT_ROAM_ADV_RX: received tt roam traffic packet counter | |
568 | * @BATADV_CNT_DAT_GET_TX: transmitted dht GET traffic packet counter | |
569 | * @BATADV_CNT_DAT_GET_RX: received dht GET traffic packet counter | |
570 | * @BATADV_CNT_DAT_PUT_TX: transmitted dht PUT traffic packet counter | |
571 | * @BATADV_CNT_DAT_PUT_RX: received dht PUT traffic packet counter | |
572 | * @BATADV_CNT_DAT_CACHED_REPLY_TX: transmitted dat cache reply traffic packet | |
573 | * counter | |
3c12de9a MH |
574 | * @BATADV_CNT_NC_CODE: transmitted nc-combined traffic packet counter |
575 | * @BATADV_CNT_NC_CODE_BYTES: transmitted nc-combined traffic bytes counter | |
576 | * @BATADV_CNT_NC_RECODE: transmitted nc-recombined traffic packet counter | |
577 | * @BATADV_CNT_NC_RECODE_BYTES: transmitted nc-recombined traffic bytes counter | |
612d2b4f | 578 | * @BATADV_CNT_NC_BUFFER: counter for packets buffered for later nc decoding |
2df5278b MH |
579 | * @BATADV_CNT_NC_DECODE: received and nc-decoded traffic packet counter |
580 | * @BATADV_CNT_NC_DECODE_BYTES: received and nc-decoded traffic bytes counter | |
581 | * @BATADV_CNT_NC_DECODE_FAILED: received and decode-failed traffic packet | |
582 | * counter | |
583 | * @BATADV_CNT_NC_SNIFFED: counter for nc-decoded packets received in promisc | |
584 | * mode. | |
88a32c9a ML |
585 | * @BATADV_CNT_NUM: number of traffic counters |
586 | */ | |
d69909d2 | 587 | enum batadv_counters { |
1c9b0550 ML |
588 | BATADV_CNT_TX, |
589 | BATADV_CNT_TX_BYTES, | |
590 | BATADV_CNT_TX_DROPPED, | |
591 | BATADV_CNT_RX, | |
592 | BATADV_CNT_RX_BYTES, | |
d69909d2 SE |
593 | BATADV_CNT_FORWARD, |
594 | BATADV_CNT_FORWARD_BYTES, | |
595 | BATADV_CNT_MGMT_TX, | |
596 | BATADV_CNT_MGMT_TX_BYTES, | |
597 | BATADV_CNT_MGMT_RX, | |
598 | BATADV_CNT_MGMT_RX_BYTES, | |
ee75ed88 MH |
599 | BATADV_CNT_FRAG_TX, |
600 | BATADV_CNT_FRAG_TX_BYTES, | |
610bfc6b MH |
601 | BATADV_CNT_FRAG_RX, |
602 | BATADV_CNT_FRAG_RX_BYTES, | |
603 | BATADV_CNT_FRAG_FWD, | |
604 | BATADV_CNT_FRAG_FWD_BYTES, | |
d69909d2 SE |
605 | BATADV_CNT_TT_REQUEST_TX, |
606 | BATADV_CNT_TT_REQUEST_RX, | |
607 | BATADV_CNT_TT_RESPONSE_TX, | |
608 | BATADV_CNT_TT_RESPONSE_RX, | |
609 | BATADV_CNT_TT_ROAM_ADV_TX, | |
610 | BATADV_CNT_TT_ROAM_ADV_RX, | |
4046b24a MH |
611 | #ifdef CONFIG_BATMAN_ADV_DAT |
612 | BATADV_CNT_DAT_GET_TX, | |
613 | BATADV_CNT_DAT_GET_RX, | |
614 | BATADV_CNT_DAT_PUT_TX, | |
615 | BATADV_CNT_DAT_PUT_RX, | |
616 | BATADV_CNT_DAT_CACHED_REPLY_TX, | |
3c12de9a MH |
617 | #endif |
618 | #ifdef CONFIG_BATMAN_ADV_NC | |
619 | BATADV_CNT_NC_CODE, | |
620 | BATADV_CNT_NC_CODE_BYTES, | |
621 | BATADV_CNT_NC_RECODE, | |
622 | BATADV_CNT_NC_RECODE_BYTES, | |
612d2b4f | 623 | BATADV_CNT_NC_BUFFER, |
2df5278b MH |
624 | BATADV_CNT_NC_DECODE, |
625 | BATADV_CNT_NC_DECODE_BYTES, | |
626 | BATADV_CNT_NC_DECODE_FAILED, | |
627 | BATADV_CNT_NC_SNIFFED, | |
4046b24a | 628 | #endif |
d69909d2 | 629 | BATADV_CNT_NUM, |
f8214865 MH |
630 | }; |
631 | ||
807736f6 SE |
632 | /** |
633 | * struct batadv_priv_tt - per mesh interface translation table data | |
634 | * @vn: translation table version number | |
88a32c9a | 635 | * @ogm_append_cnt: counter of number of OGMs containing the local tt diff |
807736f6 | 636 | * @local_changes: changes registered in an originator interval |
807736f6 | 637 | * @changes_list: tracks tt local changes within an originator interval |
88a32c9a ML |
638 | * @local_hash: local translation table hash table |
639 | * @global_hash: global translation table hash table | |
640 | * @req_list: list of pending & unanswered tt_requests | |
641 | * @roam_list: list of the last roaming events of each client limiting the | |
642 | * number of roaming events to avoid route flapping | |
643 | * @changes_list_lock: lock protecting changes_list | |
644 | * @req_list_lock: lock protecting req_list | |
645 | * @roam_list_lock: lock protecting roam_list | |
88a32c9a ML |
646 | * @last_changeset: last tt changeset this host has generated |
647 | * @last_changeset_len: length of last tt changeset this host has generated | |
648 | * @last_changeset_lock: lock protecting last_changeset & last_changeset_len | |
a70a9aa9 AQ |
649 | * @commit_lock: prevents from executing a local TT commit while reading the |
650 | * local table. The local TT commit is made up by two operations (data | |
651 | * structure update and metdata -CRC/TTVN- recalculation) and they have to be | |
652 | * executed atomically in order to avoid another thread to read the | |
653 | * table/metadata between those. | |
88a32c9a | 654 | * @work: work queue callback item for translation table purging |
807736f6 SE |
655 | */ |
656 | struct batadv_priv_tt { | |
657 | atomic_t vn; | |
658 | atomic_t ogm_append_cnt; | |
659 | atomic_t local_changes; | |
807736f6 SE |
660 | struct list_head changes_list; |
661 | struct batadv_hashtable *local_hash; | |
662 | struct batadv_hashtable *global_hash; | |
7c26a53b | 663 | struct hlist_head req_list; |
807736f6 SE |
664 | struct list_head roam_list; |
665 | spinlock_t changes_list_lock; /* protects changes */ | |
666 | spinlock_t req_list_lock; /* protects req_list */ | |
667 | spinlock_t roam_list_lock; /* protects roam_list */ | |
807736f6 | 668 | unsigned char *last_changeset; |
6b5e971a | 669 | s16 last_changeset_len; |
88a32c9a ML |
670 | /* protects last_changeset & last_changeset_len */ |
671 | spinlock_t last_changeset_lock; | |
a70a9aa9 AQ |
672 | /* prevents from executing a commit while reading the table */ |
673 | spinlock_t commit_lock; | |
807736f6 SE |
674 | struct delayed_work work; |
675 | }; | |
676 | ||
426fc6c8 SE |
677 | #ifdef CONFIG_BATMAN_ADV_BLA |
678 | ||
88a32c9a ML |
679 | /** |
680 | * struct batadv_priv_bla - per mesh interface bridge loope avoidance data | |
006a199d | 681 | * @num_requests: number of bla requests in flight |
88a32c9a ML |
682 | * @claim_hash: hash table containing mesh nodes this host has claimed |
683 | * @backbone_hash: hash table containing all detected backbone gateways | |
cd9c7bfb SW |
684 | * @loopdetect_addr: MAC address used for own loopdetection frames |
685 | * @loopdetect_lasttime: time when the loopdetection frames were sent | |
686 | * @loopdetect_next: how many periods to wait for the next loopdetect process | |
88a32c9a ML |
687 | * @bcast_duplist: recently received broadcast packets array (for broadcast |
688 | * duplicate suppression) | |
689 | * @bcast_duplist_curr: index of last broadcast packet added to bcast_duplist | |
690 | * @bcast_duplist_lock: lock protecting bcast_duplist & bcast_duplist_curr | |
691 | * @claim_dest: local claim data (e.g. claim group) | |
692 | * @work: work queue callback item for cleanups & bla announcements | |
693 | */ | |
807736f6 | 694 | struct batadv_priv_bla { |
88a32c9a | 695 | atomic_t num_requests; |
807736f6 SE |
696 | struct batadv_hashtable *claim_hash; |
697 | struct batadv_hashtable *backbone_hash; | |
cd9c7bfb SW |
698 | u8 loopdetect_addr[ETH_ALEN]; |
699 | unsigned long loopdetect_lasttime; | |
700 | atomic_t loopdetect_next; | |
807736f6 SE |
701 | struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; |
702 | int bcast_duplist_curr; | |
88a32c9a | 703 | /* protects bcast_duplist & bcast_duplist_curr */ |
7dac7b76 | 704 | spinlock_t bcast_duplist_lock; |
807736f6 SE |
705 | struct batadv_bla_claim_dst claim_dest; |
706 | struct delayed_work work; | |
707 | }; | |
708 | #endif | |
709 | ||
426fc6c8 SE |
710 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
711 | ||
88a32c9a | 712 | /** |
1a321b0d | 713 | * struct batadv_priv_debug_log - debug logging data |
88a32c9a ML |
714 | * @log_buff: buffer holding the logs (ring bufer) |
715 | * @log_start: index of next character to read | |
716 | * @log_end: index of next character to write | |
717 | * @lock: lock protecting log_buff, log_start & log_end | |
718 | * @queue_wait: log reader's wait queue | |
719 | */ | |
0abf5d81 ML |
720 | struct batadv_priv_debug_log { |
721 | char log_buff[BATADV_LOG_BUF_LEN]; | |
722 | unsigned long log_start; | |
723 | unsigned long log_end; | |
724 | spinlock_t lock; /* protects log_buff, log_start and log_end */ | |
725 | wait_queue_head_t queue_wait; | |
726 | }; | |
727 | #endif | |
728 | ||
88a32c9a ML |
729 | /** |
730 | * struct batadv_priv_gw - per mesh interface gateway data | |
70ea5cee SE |
731 | * @gateway_list: list of available gateway nodes |
732 | * @list_lock: lock protecting gateway_list & curr_gw | |
88a32c9a | 733 | * @curr_gw: pointer to currently selected gateway node |
3a24a63e AQ |
734 | * @mode: gateway operation: off, client or server (see batadv_gw_modes) |
735 | * @sel_class: gateway selection class (applies if gw_mode client) | |
414254e3 ML |
736 | * @bandwidth_down: advertised uplink download bandwidth (if gw_mode server) |
737 | * @bandwidth_up: advertised uplink upload bandwidth (if gw_mode server) | |
88a32c9a ML |
738 | * @reselect: bool indicating a gateway re-selection is in progress |
739 | */ | |
807736f6 | 740 | struct batadv_priv_gw { |
70ea5cee SE |
741 | struct hlist_head gateway_list; |
742 | spinlock_t list_lock; /* protects gateway_list & curr_gw */ | |
807736f6 | 743 | struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */ |
3a24a63e AQ |
744 | atomic_t mode; |
745 | atomic_t sel_class; | |
414254e3 ML |
746 | atomic_t bandwidth_down; |
747 | atomic_t bandwidth_up; | |
807736f6 SE |
748 | atomic_t reselect; |
749 | }; | |
750 | ||
ef261577 ML |
751 | /** |
752 | * struct batadv_priv_tvlv - per mesh interface tvlv data | |
753 | * @container_list: list of registered tvlv containers to be sent with each OGM | |
754 | * @handler_list: list of the various tvlv content handlers | |
755 | * @container_list_lock: protects tvlv container list access | |
756 | * @handler_list_lock: protects handler list access | |
757 | */ | |
758 | struct batadv_priv_tvlv { | |
759 | struct hlist_head container_list; | |
760 | struct hlist_head handler_list; | |
761 | spinlock_t container_list_lock; /* protects container_list */ | |
762 | spinlock_t handler_list_lock; /* protects handler_list */ | |
763 | }; | |
764 | ||
426fc6c8 SE |
765 | #ifdef CONFIG_BATMAN_ADV_DAT |
766 | ||
785ea114 AQ |
767 | /** |
768 | * struct batadv_priv_dat - per mesh interface DAT private data | |
769 | * @addr: node DAT address | |
2f1dfbe1 AQ |
770 | * @hash: hashtable representing the local ARP cache |
771 | * @work: work queue callback item for cache purging | |
785ea114 AQ |
772 | */ |
773 | struct batadv_priv_dat { | |
774 | batadv_dat_addr_t addr; | |
2f1dfbe1 AQ |
775 | struct batadv_hashtable *hash; |
776 | struct delayed_work work; | |
785ea114 | 777 | }; |
17224474 | 778 | #endif |
785ea114 | 779 | |
c5caf4ef | 780 | #ifdef CONFIG_BATMAN_ADV_MCAST |
687937ab LL |
781 | /** |
782 | * struct batadv_mcast_querier_state - IGMP/MLD querier state when bridged | |
783 | * @exists: whether a querier exists in the mesh | |
784 | * @shadowing: if a querier exists, whether it is potentially shadowing | |
785 | * multicast listeners (i.e. querier is behind our own bridge segment) | |
786 | */ | |
787 | struct batadv_mcast_querier_state { | |
788 | bool exists; | |
789 | bool shadowing; | |
790 | }; | |
791 | ||
c5caf4ef LL |
792 | /** |
793 | * struct batadv_priv_mcast - per mesh interface mcast data | |
794 | * @mla_list: list of multicast addresses we are currently announcing via TT | |
ab49886e LL |
795 | * @want_all_unsnoopables_list: a list of orig_nodes wanting all unsnoopable |
796 | * multicast traffic | |
4c8755d6 LL |
797 | * @want_all_ipv4_list: a list of orig_nodes wanting all IPv4 multicast traffic |
798 | * @want_all_ipv6_list: a list of orig_nodes wanting all IPv6 multicast traffic | |
72f7b2de LL |
799 | * @querier_ipv4: the current state of an IGMP querier in the mesh |
800 | * @querier_ipv6: the current state of an MLD querier in the mesh | |
60432d75 LL |
801 | * @flags: the flags we have last sent in our mcast tvlv |
802 | * @enabled: whether the multicast tvlv is currently enabled | |
687937ab | 803 | * @bridged: whether the soft interface has a bridge on top |
4663e92d | 804 | * @mla_lock: a lock protecting mla_list and mla_flags |
60432d75 | 805 | * @num_disabled: number of nodes that have no mcast tvlv |
ab49886e | 806 | * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP traffic |
4c8755d6 LL |
807 | * @num_want_all_ipv4: counter for items in want_all_ipv4_list |
808 | * @num_want_all_ipv6: counter for items in want_all_ipv6_list | |
ab49886e LL |
809 | * @want_lists_lock: lock for protecting modifications to mcast want lists |
810 | * (traversals are rcu-locked) | |
cbebd363 | 811 | * @work: work queue callback item for multicast TT and TVLV updates |
c5caf4ef LL |
812 | */ |
813 | struct batadv_priv_mcast { | |
cbebd363 | 814 | struct hlist_head mla_list; /* see __batadv_mcast_mla_update() */ |
ab49886e | 815 | struct hlist_head want_all_unsnoopables_list; |
4c8755d6 LL |
816 | struct hlist_head want_all_ipv4_list; |
817 | struct hlist_head want_all_ipv6_list; | |
72f7b2de LL |
818 | struct batadv_mcast_querier_state querier_ipv4; |
819 | struct batadv_mcast_querier_state querier_ipv6; | |
6b5e971a | 820 | u8 flags; |
60432d75 | 821 | bool enabled; |
687937ab | 822 | bool bridged; |
4663e92d | 823 | spinlock_t mla_lock; |
60432d75 | 824 | atomic_t num_disabled; |
ab49886e | 825 | atomic_t num_want_all_unsnoopables; |
4c8755d6 LL |
826 | atomic_t num_want_all_ipv4; |
827 | atomic_t num_want_all_ipv6; | |
828 | /* protects want_all_{unsnoopables,ipv4,ipv6}_list */ | |
ab49886e | 829 | spinlock_t want_lists_lock; |
cbebd363 | 830 | struct delayed_work work; |
c5caf4ef LL |
831 | }; |
832 | #endif | |
833 | ||
d353d8d4 MH |
834 | /** |
835 | * struct batadv_priv_nc - per mesh interface network coding private data | |
836 | * @work: work queue callback item for cleanup | |
d56b1705 MH |
837 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs |
838 | * @min_tq: only consider neighbors for encoding if neigh_tq > min_tq | |
95332477 | 839 | * @max_fwd_delay: maximum packet forward delay to allow coding of packets |
612d2b4f | 840 | * @max_buffer_time: buffer time for sniffed packets used to decoding |
95332477 | 841 | * @timestamp_fwd_flush: timestamp of last forward packet queue flush |
612d2b4f | 842 | * @timestamp_sniffed_purge: timestamp of last sniffed packet queue purge |
95332477 MH |
843 | * @coding_hash: Hash table used to buffer skbs while waiting for another |
844 | * incoming skb to code it with. Skbs are added to the buffer just before being | |
845 | * forwarded in routing.c | |
612d2b4f MH |
846 | * @decoding_hash: Hash table used to buffer skbs that might be needed to decode |
847 | * a received coded skb. The buffer is used for 1) skbs arriving on the | |
848 | * soft-interface; 2) skbs overheard on the hard-interface; and 3) skbs | |
849 | * forwarded by batman-adv. | |
d353d8d4 MH |
850 | */ |
851 | struct batadv_priv_nc { | |
852 | struct delayed_work work; | |
d56b1705 MH |
853 | struct dentry *debug_dir; |
854 | u8 min_tq; | |
95332477 | 855 | u32 max_fwd_delay; |
612d2b4f | 856 | u32 max_buffer_time; |
95332477 | 857 | unsigned long timestamp_fwd_flush; |
612d2b4f | 858 | unsigned long timestamp_sniffed_purge; |
95332477 | 859 | struct batadv_hashtable *coding_hash; |
612d2b4f | 860 | struct batadv_hashtable *decoding_hash; |
d353d8d4 MH |
861 | }; |
862 | ||
33a3bb4a AQ |
863 | /** |
864 | * struct batadv_tp_unacked - unacked packet meta-information | |
865 | * @seqno: seqno of the unacked packet | |
866 | * @len: length of the packet | |
867 | * @list: list node for batadv_tp_vars::unacked_list | |
868 | * | |
869 | * This struct is supposed to represent a buffer unacked packet. However, since | |
870 | * the purpose of the TP meter is to count the traffic only, there is no need to | |
871 | * store the entire sk_buff, the starting offset and the length are enough | |
872 | */ | |
873 | struct batadv_tp_unacked { | |
874 | u32 seqno; | |
875 | u16 len; | |
876 | struct list_head list; | |
877 | }; | |
878 | ||
879 | /** | |
880 | * enum batadv_tp_meter_role - Modus in tp meter session | |
881 | * @BATADV_TP_RECEIVER: Initialized as receiver | |
882 | * @BATADV_TP_SENDER: Initialized as sender | |
883 | */ | |
884 | enum batadv_tp_meter_role { | |
885 | BATADV_TP_RECEIVER, | |
886 | BATADV_TP_SENDER | |
887 | }; | |
888 | ||
889 | /** | |
890 | * struct batadv_tp_vars - tp meter private variables per session | |
891 | * @list: list node for bat_priv::tp_list | |
892 | * @timer: timer for ack (receiver) and retry (sender) | |
893 | * @bat_priv: pointer to the mesh object | |
894 | * @start_time: start time in jiffies | |
895 | * @other_end: mac address of remote | |
896 | * @role: receiver/sender modi | |
897 | * @sending: sending binary semaphore: 1 if sending, 0 is not | |
898 | * @reason: reason for a stopped session | |
899 | * @finish_work: work item for the finishing procedure | |
900 | * @test_length: test length in milliseconds | |
901 | * @session: TP session identifier | |
902 | * @icmp_uid: local ICMP "socket" index | |
903 | * @dec_cwnd: decimal part of the cwnd used during linear growth | |
904 | * @cwnd: current size of the congestion window | |
905 | * @cwnd_lock: lock do protect @cwnd & @dec_cwnd | |
906 | * @ss_threshold: Slow Start threshold. Once cwnd exceeds this value the | |
907 | * connection switches to the Congestion Avoidance state | |
908 | * @last_acked: last acked byte | |
909 | * @last_sent: last sent byte, not yet acked | |
910 | * @tot_sent: amount of data sent/ACKed so far | |
911 | * @dup_acks: duplicate ACKs counter | |
912 | * @fast_recovery: true if in Fast Recovery mode | |
913 | * @recover: last sent seqno when entering Fast Recovery | |
914 | * @rto: sender timeout | |
915 | * @srtt: smoothed RTT scaled by 2^3 | |
916 | * @rttvar: RTT variation scaled by 2^2 | |
917 | * @more_bytes: waiting queue anchor when waiting for more ack/retry timeout | |
918 | * @prerandom_offset: offset inside the prerandom buffer | |
919 | * @prerandom_lock: spinlock protecting access to prerandom_offset | |
920 | * @last_recv: last in-order received packet | |
921 | * @unacked_list: list of unacked packets (meta-info only) | |
922 | * @unacked_lock: protect unacked_list | |
923 | * @last_recv_time: time time (jiffies) a msg was received | |
924 | * @refcount: number of context where the object is used | |
925 | * @rcu: struct used for freeing in an RCU-safe manner | |
926 | */ | |
927 | struct batadv_tp_vars { | |
928 | struct hlist_node list; | |
929 | struct timer_list timer; | |
930 | struct batadv_priv *bat_priv; | |
931 | unsigned long start_time; | |
932 | u8 other_end[ETH_ALEN]; | |
933 | enum batadv_tp_meter_role role; | |
934 | atomic_t sending; | |
935 | enum batadv_tp_meter_reason reason; | |
936 | struct delayed_work finish_work; | |
937 | u32 test_length; | |
938 | u8 session[2]; | |
939 | u8 icmp_uid; | |
940 | ||
941 | /* sender variables */ | |
942 | u16 dec_cwnd; | |
943 | u32 cwnd; | |
944 | spinlock_t cwnd_lock; /* Protects cwnd & dec_cwnd */ | |
945 | u32 ss_threshold; | |
946 | atomic_t last_acked; | |
947 | u32 last_sent; | |
948 | atomic64_t tot_sent; | |
949 | atomic_t dup_acks; | |
950 | bool fast_recovery; | |
951 | u32 recover; | |
952 | u32 rto; | |
953 | u32 srtt; | |
954 | u32 rttvar; | |
955 | wait_queue_head_t more_bytes; | |
956 | u32 prerandom_offset; | |
957 | spinlock_t prerandom_lock; /* Protects prerandom_offset */ | |
958 | ||
959 | /* receiver variables */ | |
960 | u32 last_recv; | |
961 | struct list_head unacked_list; | |
962 | spinlock_t unacked_lock; /* Protects unacked_list */ | |
963 | unsigned long last_recv_time; | |
964 | struct kref refcount; | |
965 | struct rcu_head rcu; | |
966 | }; | |
967 | ||
5d2c05b2 AQ |
968 | /** |
969 | * struct batadv_softif_vlan - per VLAN attributes set | |
35df3b29 | 970 | * @bat_priv: pointer to the mesh object |
5d2c05b2 AQ |
971 | * @vid: VLAN identifier |
972 | * @kobj: kobject for sysfs vlan subdirectory | |
b8cbd81d | 973 | * @ap_isolation: AP isolation state |
7ea7b4a1 | 974 | * @tt: TT private attributes (VLAN specific) |
5d2c05b2 AQ |
975 | * @list: list node for bat_priv::softif_vlan_list |
976 | * @refcount: number of context where this object is currently in use | |
977 | * @rcu: struct used for freeing in a RCU-safe manner | |
978 | */ | |
979 | struct batadv_softif_vlan { | |
35df3b29 | 980 | struct batadv_priv *bat_priv; |
5d2c05b2 AQ |
981 | unsigned short vid; |
982 | struct kobject *kobj; | |
b8cbd81d | 983 | atomic_t ap_isolation; /* boolean */ |
7ea7b4a1 | 984 | struct batadv_vlan_tt tt; |
5d2c05b2 | 985 | struct hlist_node list; |
6be4d30c | 986 | struct kref refcount; |
5d2c05b2 AQ |
987 | struct rcu_head rcu; |
988 | }; | |
989 | ||
0da00359 AQ |
990 | /** |
991 | * struct batadv_priv_bat_v - B.A.T.M.A.N. V per soft-interface private data | |
992 | * @ogm_buff: buffer holding the OGM packet | |
993 | * @ogm_buff_len: length of the OGM packet buffer | |
994 | * @ogm_seqno: OGM sequence number - used to identify each OGM | |
995 | * @ogm_wq: workqueue used to schedule OGM transmissions | |
996 | */ | |
997 | struct batadv_priv_bat_v { | |
998 | unsigned char *ogm_buff; | |
999 | int ogm_buff_len; | |
1000 | atomic_t ogm_seqno; | |
1001 | struct delayed_work ogm_wq; | |
1002 | }; | |
1003 | ||
88a32c9a ML |
1004 | /** |
1005 | * struct batadv_priv - per mesh interface data | |
1006 | * @mesh_state: current status of the mesh (inactive/active/deactivating) | |
5bc44dc8 | 1007 | * @soft_iface: net device which holds this struct as private data |
88a32c9a ML |
1008 | * @bat_counters: mesh internal traffic statistic counters (see batadv_counters) |
1009 | * @aggregated_ogms: bool indicating whether OGM aggregation is enabled | |
1010 | * @bonding: bool indicating whether traffic bonding is enabled | |
1011 | * @fragmentation: bool indicating whether traffic fragmentation is enabled | |
a19d3d85 ML |
1012 | * @packet_size_max: max packet size that can be transmitted via |
1013 | * multiple fragmented skbs or a single frame if fragmentation is disabled | |
ee75ed88 | 1014 | * @frag_seqno: incremental counter to identify chains of egress fragments |
88a32c9a ML |
1015 | * @bridge_loop_avoidance: bool indicating whether bridge loop avoidance is |
1016 | * enabled | |
1017 | * @distributed_arp_table: bool indicating whether distributed ARP table is | |
1018 | * enabled | |
1d8ab8d3 LL |
1019 | * @multicast_mode: Enable or disable multicast optimizations on this node's |
1020 | * sender/originating side | |
88a32c9a ML |
1021 | * @orig_interval: OGM broadcast interval in milliseconds |
1022 | * @hop_penalty: penalty which will be applied to an OGM's tq-field on every hop | |
1023 | * @log_level: configured log level (see batadv_dbg_level) | |
a14c131d AQ |
1024 | * @isolation_mark: the skb->mark value used to match packets for AP isolation |
1025 | * @isolation_mark_mask: bitmask identifying the bits in skb->mark to be used | |
1026 | * for the isolation mark | |
88a32c9a ML |
1027 | * @bcast_seqno: last sent broadcast packet sequence number |
1028 | * @bcast_queue_left: number of remaining buffered broadcast packet slots | |
1029 | * @batman_queue_left: number of remaining OGM packet slots | |
1030 | * @num_ifaces: number of interfaces assigned to this mesh interface | |
1031 | * @mesh_obj: kobject for sysfs mesh subdirectory | |
1032 | * @debug_dir: dentry for debugfs batman-adv subdirectory | |
1033 | * @forw_bat_list: list of aggregated OGMs that will be forwarded | |
1034 | * @forw_bcast_list: list of broadcast packets that will be rebroadcasted | |
33a3bb4a AQ |
1035 | * @tp_list: list of tp sessions |
1036 | * @tp_num: number of currently active tp sessions | |
88a32c9a ML |
1037 | * @orig_hash: hash table containing mesh participants (orig nodes) |
1038 | * @forw_bat_list_lock: lock protecting forw_bat_list | |
1039 | * @forw_bcast_list_lock: lock protecting forw_bcast_list | |
33a3bb4a | 1040 | * @tp_list_lock: spinlock protecting @tp_list |
88a32c9a | 1041 | * @orig_work: work queue callback item for orig node purging |
d1f68250 | 1042 | * @primary_if: one of the hard-interfaces assigned to this mesh interface |
88a32c9a | 1043 | * becomes the primary interface |
29824a55 | 1044 | * @algo_ops: routing algorithm used by this mesh interface |
5d2c05b2 AQ |
1045 | * @softif_vlan_list: a list of softif_vlan structs, one per VLAN created on top |
1046 | * of the mesh interface represented by this object | |
1047 | * @softif_vlan_list_lock: lock protecting softif_vlan_list | |
88a32c9a ML |
1048 | * @bla: bridge loope avoidance data |
1049 | * @debug_log: holding debug logging relevant data | |
1050 | * @gw: gateway data | |
1051 | * @tt: translation table data | |
ef261577 | 1052 | * @tvlv: type-version-length-value data |
88a32c9a | 1053 | * @dat: distributed arp table data |
c5caf4ef | 1054 | * @mcast: multicast data |
d353d8d4 | 1055 | * @network_coding: bool indicating whether network coding is enabled |
006a199d | 1056 | * @nc: network coding data |
0da00359 | 1057 | * @bat_v: B.A.T.M.A.N. V per soft-interface private data |
88a32c9a | 1058 | */ |
56303d34 | 1059 | struct batadv_priv { |
c6c8fea2 | 1060 | atomic_t mesh_state; |
5bc44dc8 | 1061 | struct net_device *soft_iface; |
6b5e971a | 1062 | u64 __percpu *bat_counters; /* Per cpu counters */ |
88a32c9a ML |
1063 | atomic_t aggregated_ogms; |
1064 | atomic_t bonding; | |
1065 | atomic_t fragmentation; | |
a19d3d85 | 1066 | atomic_t packet_size_max; |
ee75ed88 | 1067 | atomic_t frag_seqno; |
fa706554 | 1068 | #ifdef CONFIG_BATMAN_ADV_BLA |
88a32c9a | 1069 | atomic_t bridge_loop_avoidance; |
fa706554 | 1070 | #endif |
33af49ad | 1071 | #ifdef CONFIG_BATMAN_ADV_DAT |
88a32c9a | 1072 | atomic_t distributed_arp_table; |
1d8ab8d3 LL |
1073 | #endif |
1074 | #ifdef CONFIG_BATMAN_ADV_MCAST | |
1075 | atomic_t multicast_mode; | |
33af49ad | 1076 | #endif |
88a32c9a ML |
1077 | atomic_t orig_interval; |
1078 | atomic_t hop_penalty; | |
0c430d0d | 1079 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
88a32c9a | 1080 | atomic_t log_level; |
0c430d0d | 1081 | #endif |
6b5e971a SE |
1082 | u32 isolation_mark; |
1083 | u32 isolation_mark_mask; | |
c6c8fea2 SE |
1084 | atomic_t bcast_seqno; |
1085 | atomic_t bcast_queue_left; | |
1086 | atomic_t batman_queue_left; | |
1087 | char num_ifaces; | |
c6c8fea2 SE |
1088 | struct kobject *mesh_obj; |
1089 | struct dentry *debug_dir; | |
1090 | struct hlist_head forw_bat_list; | |
1091 | struct hlist_head forw_bcast_list; | |
33a3bb4a | 1092 | struct hlist_head tp_list; |
5bf74e9c | 1093 | struct batadv_hashtable *orig_hash; |
c6c8fea2 | 1094 | spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ |
a7528f8d | 1095 | spinlock_t forw_bcast_list_lock; /* protects forw_bcast_list */ |
33a3bb4a AQ |
1096 | spinlock_t tp_list_lock; /* protects tp_list */ |
1097 | atomic_t tp_num; | |
c6c8fea2 | 1098 | struct delayed_work orig_work; |
56303d34 | 1099 | struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */ |
29824a55 | 1100 | struct batadv_algo_ops *algo_ops; |
5d2c05b2 AQ |
1101 | struct hlist_head softif_vlan_list; |
1102 | spinlock_t softif_vlan_list_lock; /* protects softif_vlan_list */ | |
807736f6 SE |
1103 | #ifdef CONFIG_BATMAN_ADV_BLA |
1104 | struct batadv_priv_bla bla; | |
0abf5d81 ML |
1105 | #endif |
1106 | #ifdef CONFIG_BATMAN_ADV_DEBUG | |
1107 | struct batadv_priv_debug_log *debug_log; | |
807736f6 SE |
1108 | #endif |
1109 | struct batadv_priv_gw gw; | |
1110 | struct batadv_priv_tt tt; | |
ef261577 | 1111 | struct batadv_priv_tvlv tvlv; |
17224474 | 1112 | #ifdef CONFIG_BATMAN_ADV_DAT |
785ea114 | 1113 | struct batadv_priv_dat dat; |
17224474 | 1114 | #endif |
c5caf4ef LL |
1115 | #ifdef CONFIG_BATMAN_ADV_MCAST |
1116 | struct batadv_priv_mcast mcast; | |
1117 | #endif | |
d353d8d4 MH |
1118 | #ifdef CONFIG_BATMAN_ADV_NC |
1119 | atomic_t network_coding; | |
1120 | struct batadv_priv_nc nc; | |
1121 | #endif /* CONFIG_BATMAN_ADV_NC */ | |
0da00359 AQ |
1122 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
1123 | struct batadv_priv_bat_v bat_v; | |
1124 | #endif | |
c6c8fea2 SE |
1125 | }; |
1126 | ||
88a32c9a ML |
1127 | /** |
1128 | * struct batadv_socket_client - layer2 icmp socket client data | |
1129 | * @queue_list: packet queue for packets destined for this socket client | |
1130 | * @queue_len: number of packets in the packet queue (queue_list) | |
1131 | * @index: socket client's index in the batadv_socket_client_hash | |
1132 | * @lock: lock protecting queue_list, queue_len & index | |
1133 | * @queue_wait: socket client's wait queue | |
1134 | * @bat_priv: pointer to soft_iface this client belongs to | |
1135 | */ | |
56303d34 | 1136 | struct batadv_socket_client { |
c6c8fea2 SE |
1137 | struct list_head queue_list; |
1138 | unsigned int queue_len; | |
1139 | unsigned char index; | |
88a32c9a | 1140 | spinlock_t lock; /* protects queue_list, queue_len & index */ |
c6c8fea2 | 1141 | wait_queue_head_t queue_wait; |
56303d34 | 1142 | struct batadv_priv *bat_priv; |
c6c8fea2 SE |
1143 | }; |
1144 | ||
88a32c9a ML |
1145 | /** |
1146 | * struct batadv_socket_packet - layer2 icmp packet for socket client | |
1147 | * @list: list node for batadv_socket_client::queue_list | |
1148 | * @icmp_len: size of the layer2 icmp packet | |
1149 | * @icmp_packet: layer2 icmp packet | |
1150 | */ | |
56303d34 | 1151 | struct batadv_socket_packet { |
c6c8fea2 SE |
1152 | struct list_head list; |
1153 | size_t icmp_len; | |
6b5e971a | 1154 | u8 icmp_packet[BATADV_ICMP_MAX_PACKET_SIZE]; |
c6c8fea2 SE |
1155 | }; |
1156 | ||
426fc6c8 SE |
1157 | #ifdef CONFIG_BATMAN_ADV_BLA |
1158 | ||
88a32c9a ML |
1159 | /** |
1160 | * struct batadv_bla_backbone_gw - batman-adv gateway bridged into the LAN | |
1161 | * @orig: originator address of backbone node (mac address of primary iface) | |
1162 | * @vid: vlan id this gateway was detected on | |
1163 | * @hash_entry: hlist node for batadv_priv_bla::backbone_hash | |
1164 | * @bat_priv: pointer to soft_iface this backbone gateway belongs to | |
1165 | * @lasttime: last time we heard of this backbone gw | |
1166 | * @wait_periods: grace time for bridge forward delays and bla group forming at | |
1167 | * bootup phase - no bcast traffic is formwared until it has elapsed | |
1168 | * @request_sent: if this bool is set to true we are out of sync with this | |
1169 | * backbone gateway - no bcast traffic is formwared until the situation was | |
1170 | * resolved | |
1171 | * @crc: crc16 checksum over all claims | |
5a1dd8a4 | 1172 | * @crc_lock: lock protecting crc |
cd9c7bfb | 1173 | * @report_work: work struct for reporting detected loops |
88a32c9a ML |
1174 | * @refcount: number of contexts the object is used |
1175 | * @rcu: struct used for freeing in an RCU-safe manner | |
1176 | */ | |
bae98774 | 1177 | struct batadv_bla_backbone_gw { |
6b5e971a | 1178 | u8 orig[ETH_ALEN]; |
eb2deb6b | 1179 | unsigned short vid; |
2006fea8 ML |
1180 | struct hlist_node hash_entry; |
1181 | struct batadv_priv *bat_priv; | |
88a32c9a | 1182 | unsigned long lasttime; |
2006fea8 ML |
1183 | atomic_t wait_periods; |
1184 | atomic_t request_sent; | |
6b5e971a | 1185 | u16 crc; |
5a1dd8a4 | 1186 | spinlock_t crc_lock; /* protects crc */ |
cd9c7bfb | 1187 | struct work_struct report_work; |
06e56ded | 1188 | struct kref refcount; |
2006fea8 | 1189 | struct rcu_head rcu; |
2006fea8 ML |
1190 | }; |
1191 | ||
88a32c9a ML |
1192 | /** |
1193 | * struct batadv_bla_claim - claimed non-mesh client structure | |
1194 | * @addr: mac address of claimed non-mesh client | |
1195 | * @vid: vlan id this client was detected on | |
006a199d | 1196 | * @backbone_gw: pointer to backbone gw claiming this client |
3db0decf | 1197 | * @backbone_lock: lock protecting backbone_gw pointer |
88a32c9a ML |
1198 | * @lasttime: last time we heard of claim (locals only) |
1199 | * @hash_entry: hlist node for batadv_priv_bla::claim_hash | |
1200 | * @refcount: number of contexts the object is used | |
1201 | * @rcu: struct used for freeing in an RCU-safe manner | |
1202 | */ | |
712bbfe4 | 1203 | struct batadv_bla_claim { |
6b5e971a | 1204 | u8 addr[ETH_ALEN]; |
eb2deb6b | 1205 | unsigned short vid; |
bae98774 | 1206 | struct batadv_bla_backbone_gw *backbone_gw; |
3db0decf | 1207 | spinlock_t backbone_lock; /* protects backbone_gw */ |
88a32c9a ML |
1208 | unsigned long lasttime; |
1209 | struct hlist_node hash_entry; | |
2006fea8 | 1210 | struct rcu_head rcu; |
71b7e3d3 | 1211 | struct kref refcount; |
2006fea8 ML |
1212 | }; |
1213 | #endif | |
1214 | ||
88a32c9a ML |
1215 | /** |
1216 | * struct batadv_tt_common_entry - tt local & tt global common data | |
1217 | * @addr: mac address of non-mesh client | |
c018ad3d | 1218 | * @vid: VLAN identifier |
88a32c9a ML |
1219 | * @hash_entry: hlist node for batadv_priv_tt::local_hash or for |
1220 | * batadv_priv_tt::global_hash | |
1221 | * @flags: various state handling flags (see batadv_tt_client_flags) | |
1222 | * @added_at: timestamp used for purging stale tt common entries | |
1223 | * @refcount: number of contexts the object is used | |
1224 | * @rcu: struct used for freeing in an RCU-safe manner | |
1225 | */ | |
56303d34 | 1226 | struct batadv_tt_common_entry { |
6b5e971a | 1227 | u8 addr[ETH_ALEN]; |
c018ad3d | 1228 | unsigned short vid; |
93840ac4 | 1229 | struct hlist_node hash_entry; |
6b5e971a | 1230 | u16 flags; |
30cfd02b | 1231 | unsigned long added_at; |
92dcdf09 | 1232 | struct kref refcount; |
7683fdc1 | 1233 | struct rcu_head rcu; |
c6c8fea2 SE |
1234 | }; |
1235 | ||
88a32c9a ML |
1236 | /** |
1237 | * struct batadv_tt_local_entry - translation table local entry data | |
1238 | * @common: general translation table data | |
1239 | * @last_seen: timestamp used for purging stale tt local entries | |
a33d970d | 1240 | * @vlan: soft-interface vlan of the entry |
88a32c9a | 1241 | */ |
56303d34 SE |
1242 | struct batadv_tt_local_entry { |
1243 | struct batadv_tt_common_entry common; | |
48100bac | 1244 | unsigned long last_seen; |
a33d970d | 1245 | struct batadv_softif_vlan *vlan; |
48100bac AQ |
1246 | }; |
1247 | ||
88a32c9a ML |
1248 | /** |
1249 | * struct batadv_tt_global_entry - translation table global entry data | |
1250 | * @common: general translation table data | |
1251 | * @orig_list: list of orig nodes announcing this non-mesh client | |
1d8ab8d3 | 1252 | * @orig_list_count: number of items in the orig_list |
88a32c9a ML |
1253 | * @list_lock: lock protecting orig_list |
1254 | * @roam_at: time at which TT_GLOBAL_ROAM was set | |
1255 | */ | |
56303d34 SE |
1256 | struct batadv_tt_global_entry { |
1257 | struct batadv_tt_common_entry common; | |
db08e6e5 | 1258 | struct hlist_head orig_list; |
1d8ab8d3 | 1259 | atomic_t orig_list_count; |
88a32c9a ML |
1260 | spinlock_t list_lock; /* protects orig_list */ |
1261 | unsigned long roam_at; | |
db08e6e5 SW |
1262 | }; |
1263 | ||
88a32c9a ML |
1264 | /** |
1265 | * struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client | |
1266 | * @orig_node: pointer to orig node announcing this non-mesh client | |
1267 | * @ttvn: translation table version number which added the non-mesh client | |
54e22f26 | 1268 | * @flags: per orig entry TT sync flags |
88a32c9a ML |
1269 | * @list: list node for batadv_tt_global_entry::orig_list |
1270 | * @refcount: number of contexts the object is used | |
1271 | * @rcu: struct used for freeing in an RCU-safe manner | |
1272 | */ | |
56303d34 SE |
1273 | struct batadv_tt_orig_list_entry { |
1274 | struct batadv_orig_node *orig_node; | |
6b5e971a | 1275 | u8 ttvn; |
54e22f26 | 1276 | u8 flags; |
88a32c9a | 1277 | struct hlist_node list; |
6e8ef69d | 1278 | struct kref refcount; |
db08e6e5 | 1279 | struct rcu_head rcu; |
c6c8fea2 SE |
1280 | }; |
1281 | ||
88a32c9a | 1282 | /** |
3f68785e | 1283 | * struct batadv_tt_change_node - structure for tt changes occurred |
88a32c9a ML |
1284 | * @list: list node for batadv_priv_tt::changes_list |
1285 | * @change: holds the actual translation table diff data | |
1286 | */ | |
56303d34 | 1287 | struct batadv_tt_change_node { |
a73105b8 | 1288 | struct list_head list; |
e1bf0c14 | 1289 | struct batadv_tvlv_tt_change change; |
a73105b8 AQ |
1290 | }; |
1291 | ||
88a32c9a ML |
1292 | /** |
1293 | * struct batadv_tt_req_node - data to keep track of the tt requests in flight | |
1294 | * @addr: mac address address of the originator this request was sent to | |
1295 | * @issued_at: timestamp used for purging stale tt requests | |
9c4604a2 | 1296 | * @refcount: number of contexts the object is used by |
88a32c9a ML |
1297 | * @list: list node for batadv_priv_tt::req_list |
1298 | */ | |
56303d34 | 1299 | struct batadv_tt_req_node { |
6b5e971a | 1300 | u8 addr[ETH_ALEN]; |
a73105b8 | 1301 | unsigned long issued_at; |
9c4604a2 | 1302 | struct kref refcount; |
7c26a53b | 1303 | struct hlist_node list; |
a73105b8 AQ |
1304 | }; |
1305 | ||
88a32c9a ML |
1306 | /** |
1307 | * struct batadv_tt_roam_node - roaming client data | |
1308 | * @addr: mac address of the client in the roaming phase | |
1309 | * @counter: number of allowed roaming events per client within a single | |
1310 | * OGM interval (changes are committed with each OGM) | |
1311 | * @first_time: timestamp used for purging stale roaming node entries | |
1312 | * @list: list node for batadv_priv_tt::roam_list | |
1313 | */ | |
56303d34 | 1314 | struct batadv_tt_roam_node { |
6b5e971a | 1315 | u8 addr[ETH_ALEN]; |
cc47f66e AQ |
1316 | atomic_t counter; |
1317 | unsigned long first_time; | |
1318 | struct list_head list; | |
1319 | }; | |
1320 | ||
d56b1705 MH |
1321 | /** |
1322 | * struct batadv_nc_node - network coding node | |
1323 | * @list: next and prev pointer for the list handling | |
1324 | * @addr: the node's mac address | |
1325 | * @refcount: number of contexts the object is used by | |
1326 | * @rcu: struct used for freeing in an RCU-safe manner | |
1327 | * @orig_node: pointer to corresponding orig node struct | |
1328 | * @last_seen: timestamp of last ogm received from this node | |
1329 | */ | |
1330 | struct batadv_nc_node { | |
1331 | struct list_head list; | |
6b5e971a | 1332 | u8 addr[ETH_ALEN]; |
daf99b48 | 1333 | struct kref refcount; |
d56b1705 MH |
1334 | struct rcu_head rcu; |
1335 | struct batadv_orig_node *orig_node; | |
1336 | unsigned long last_seen; | |
1337 | }; | |
1338 | ||
95332477 MH |
1339 | /** |
1340 | * struct batadv_nc_path - network coding path | |
1341 | * @hash_entry: next and prev pointer for the list handling | |
1342 | * @rcu: struct used for freeing in an RCU-safe manner | |
1343 | * @refcount: number of contexts the object is used by | |
1344 | * @packet_list: list of buffered packets for this path | |
1345 | * @packet_list_lock: access lock for packet list | |
1346 | * @next_hop: next hop (destination) of path | |
1347 | * @prev_hop: previous hop (source) of path | |
1348 | * @last_valid: timestamp for last validation of path | |
1349 | */ | |
1350 | struct batadv_nc_path { | |
1351 | struct hlist_node hash_entry; | |
1352 | struct rcu_head rcu; | |
727e0cd5 | 1353 | struct kref refcount; |
95332477 MH |
1354 | struct list_head packet_list; |
1355 | spinlock_t packet_list_lock; /* Protects packet_list */ | |
6b5e971a SE |
1356 | u8 next_hop[ETH_ALEN]; |
1357 | u8 prev_hop[ETH_ALEN]; | |
95332477 MH |
1358 | unsigned long last_valid; |
1359 | }; | |
1360 | ||
1361 | /** | |
1362 | * struct batadv_nc_packet - network coding packet used when coding and | |
1363 | * decoding packets | |
1364 | * @list: next and prev pointer for the list handling | |
1365 | * @packet_id: crc32 checksum of skb data | |
1366 | * @timestamp: field containing the info when the packet was added to path | |
1367 | * @neigh_node: pointer to original next hop neighbor of skb | |
1368 | * @skb: skb which can be encoded or used for decoding | |
1369 | * @nc_path: pointer to path this nc packet is attached to | |
1370 | */ | |
1371 | struct batadv_nc_packet { | |
1372 | struct list_head list; | |
1373 | __be32 packet_id; | |
1374 | unsigned long timestamp; | |
1375 | struct batadv_neigh_node *neigh_node; | |
1376 | struct sk_buff *skb; | |
1377 | struct batadv_nc_path *nc_path; | |
1378 | }; | |
1379 | ||
3c12de9a | 1380 | /** |
1a321b0d SW |
1381 | * struct batadv_skb_cb - control buffer structure used to store private data |
1382 | * relevant to batman-adv in the skb->cb buffer in skbs. | |
3c12de9a MH |
1383 | * @decoded: Marks a skb as decoded, which is checked when searching for coding |
1384 | * opportunities in network-coding.c | |
e2d9ba43 | 1385 | * @num_bcasts: Counter for broadcast packet retransmissions |
3c12de9a MH |
1386 | */ |
1387 | struct batadv_skb_cb { | |
1388 | bool decoded; | |
e2d9ba43 | 1389 | unsigned int num_bcasts; |
3c12de9a MH |
1390 | }; |
1391 | ||
88a32c9a ML |
1392 | /** |
1393 | * struct batadv_forw_packet - structure for bcast packets to be sent/forwarded | |
6020a86a | 1394 | * @list: list node for batadv_priv::forw_{bat,bcast}_list |
9b4aec64 | 1395 | * @cleanup_list: list node for purging functions |
88a32c9a ML |
1396 | * @send_time: execution time for delayed_work (packet sending) |
1397 | * @own: bool for locally generated packets (local OGMs are re-scheduled after | |
1398 | * sending) | |
1399 | * @skb: bcast packet's skb buffer | |
1400 | * @packet_len: size of aggregated OGM packet inside the skb buffer | |
1401 | * @direct_link_flags: direct link flags for aggregated OGM packets | |
e2d9ba43 | 1402 | * @num_packets: counter for aggregated OGMv1 packets |
88a32c9a | 1403 | * @delayed_work: work queue callback item for packet sending |
ef0a937f SW |
1404 | * @if_incoming: pointer to incoming hard-iface or primary iface if |
1405 | * locally generated packet | |
1406 | * @if_outgoing: packet where the packet should be sent to, or NULL if | |
1407 | * unspecified | |
a65e5481 | 1408 | * @queue_left: The queue (counter) this packet was applied to |
c6c8fea2 | 1409 | */ |
56303d34 | 1410 | struct batadv_forw_packet { |
c6c8fea2 | 1411 | struct hlist_node list; |
9b4aec64 | 1412 | struct hlist_node cleanup_list; |
c6c8fea2 | 1413 | unsigned long send_time; |
6b5e971a | 1414 | u8 own; |
c6c8fea2 | 1415 | struct sk_buff *skb; |
6b5e971a SE |
1416 | u16 packet_len; |
1417 | u32 direct_link_flags; | |
1418 | u8 num_packets; | |
c6c8fea2 | 1419 | struct delayed_work delayed_work; |
56303d34 | 1420 | struct batadv_hard_iface *if_incoming; |
ef0a937f | 1421 | struct batadv_hard_iface *if_outgoing; |
a65e5481 | 1422 | atomic_t *queue_left; |
c6c8fea2 SE |
1423 | }; |
1424 | ||
29824a55 AQ |
1425 | /** |
1426 | * struct batadv_algo_iface_ops - mesh algorithm callbacks (interface specific) | |
1427 | * @activate: start routing mechanisms when hard-interface is brought up | |
e61cdfa3 | 1428 | * (optional) |
29824a55 | 1429 | * @enable: init routing info when hard-interface is enabled |
a11b3261 | 1430 | * @enabled: notification when hard-interface was enabled (optional) |
29824a55 AQ |
1431 | * @disable: de-init routing info when hard-interface is disabled |
1432 | * @update_mac: (re-)init mac addresses of the protocol information | |
1433 | * belonging to this hard-interface | |
1434 | * @primary_set: called when primary interface is selected / changed | |
1435 | */ | |
1436 | struct batadv_algo_iface_ops { | |
1437 | void (*activate)(struct batadv_hard_iface *hard_iface); | |
1438 | int (*enable)(struct batadv_hard_iface *hard_iface); | |
a11b3261 | 1439 | void (*enabled)(struct batadv_hard_iface *hard_iface); |
29824a55 AQ |
1440 | void (*disable)(struct batadv_hard_iface *hard_iface); |
1441 | void (*update_mac)(struct batadv_hard_iface *hard_iface); | |
1442 | void (*primary_set)(struct batadv_hard_iface *hard_iface); | |
1443 | }; | |
1444 | ||
1445 | /** | |
1446 | * struct batadv_algo_neigh_ops - mesh algorithm callbacks (neighbour specific) | |
1447 | * @hardif_init: called on creation of single hop entry | |
e61cdfa3 | 1448 | * (optional) |
29824a55 AQ |
1449 | * @cmp: compare the metrics of two neighbors for their respective outgoing |
1450 | * interfaces | |
1451 | * @is_similar_or_better: check if neigh1 is equally similar or better than | |
1452 | * neigh2 for their respective outgoing interface from the metric prospective | |
1453 | * @print: print the single hop neighbor list (optional) | |
85cf8c85 | 1454 | * @dump: dump neighbors to a netlink socket (optional) |
29824a55 AQ |
1455 | */ |
1456 | struct batadv_algo_neigh_ops { | |
1457 | void (*hardif_init)(struct batadv_hardif_neigh_node *neigh); | |
1458 | int (*cmp)(struct batadv_neigh_node *neigh1, | |
1459 | struct batadv_hard_iface *if_outgoing1, | |
1460 | struct batadv_neigh_node *neigh2, | |
1461 | struct batadv_hard_iface *if_outgoing2); | |
1462 | bool (*is_similar_or_better)(struct batadv_neigh_node *neigh1, | |
1463 | struct batadv_hard_iface *if_outgoing1, | |
1464 | struct batadv_neigh_node *neigh2, | |
1465 | struct batadv_hard_iface *if_outgoing2); | |
dc1cbd14 | 1466 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
29824a55 | 1467 | void (*print)(struct batadv_priv *priv, struct seq_file *seq); |
dc1cbd14 | 1468 | #endif |
85cf8c85 MS |
1469 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
1470 | struct batadv_priv *priv, | |
1471 | struct batadv_hard_iface *hard_iface); | |
29824a55 AQ |
1472 | }; |
1473 | ||
1474 | /** | |
1475 | * struct batadv_algo_orig_ops - mesh algorithm callbacks (originator specific) | |
1476 | * @free: free the resources allocated by the routing algorithm for an orig_node | |
e61cdfa3 | 1477 | * object (optional) |
29824a55 | 1478 | * @add_if: ask the routing algorithm to apply the needed changes to the |
e61cdfa3 | 1479 | * orig_node due to a new hard-interface being added into the mesh (optional) |
29824a55 | 1480 | * @del_if: ask the routing algorithm to apply the needed changes to the |
e61cdfa3 | 1481 | * orig_node due to an hard-interface being removed from the mesh (optional) |
29824a55 | 1482 | * @print: print the originator table (optional) |
85cf8c85 | 1483 | * @dump: dump originators to a netlink socket (optional) |
29824a55 AQ |
1484 | */ |
1485 | struct batadv_algo_orig_ops { | |
1486 | void (*free)(struct batadv_orig_node *orig_node); | |
1487 | int (*add_if)(struct batadv_orig_node *orig_node, int max_if_num); | |
1488 | int (*del_if)(struct batadv_orig_node *orig_node, int max_if_num, | |
1489 | int del_if_num); | |
dc1cbd14 | 1490 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
29824a55 AQ |
1491 | void (*print)(struct batadv_priv *priv, struct seq_file *seq, |
1492 | struct batadv_hard_iface *hard_iface); | |
dc1cbd14 | 1493 | #endif |
85cf8c85 MS |
1494 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
1495 | struct batadv_priv *priv, | |
1496 | struct batadv_hard_iface *hard_iface); | |
29824a55 AQ |
1497 | }; |
1498 | ||
08686943 AQ |
1499 | /** |
1500 | * struct batadv_algo_gw_ops - mesh algorithm callbacks (GW specific) | |
1a9070ec | 1501 | * @init_sel_class: initialize GW selection class (optional) |
08686943 AQ |
1502 | * @store_sel_class: parse and stores a new GW selection class (optional) |
1503 | * @show_sel_class: prints the current GW selection class (optional) | |
34d99cfe AQ |
1504 | * @get_best_gw_node: select the best GW from the list of available nodes |
1505 | * (optional) | |
1506 | * @is_eligible: check if a newly discovered GW is a potential candidate for | |
1507 | * the election as best GW (optional) | |
1508 | * @print: print the gateway table (optional) | |
d7129daf | 1509 | * @dump: dump gateways to a netlink socket (optional) |
08686943 AQ |
1510 | */ |
1511 | struct batadv_algo_gw_ops { | |
1a9070ec | 1512 | void (*init_sel_class)(struct batadv_priv *bat_priv); |
08686943 AQ |
1513 | ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff, |
1514 | size_t count); | |
1515 | ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff); | |
34d99cfe AQ |
1516 | struct batadv_gw_node *(*get_best_gw_node) |
1517 | (struct batadv_priv *bat_priv); | |
1518 | bool (*is_eligible)(struct batadv_priv *bat_priv, | |
1519 | struct batadv_orig_node *curr_gw_orig, | |
1520 | struct batadv_orig_node *orig_node); | |
dc1cbd14 | 1521 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
34d99cfe | 1522 | void (*print)(struct batadv_priv *bat_priv, struct seq_file *seq); |
dc1cbd14 | 1523 | #endif |
d7129daf SE |
1524 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
1525 | struct batadv_priv *priv); | |
08686943 AQ |
1526 | }; |
1527 | ||
88a32c9a ML |
1528 | /** |
1529 | * struct batadv_algo_ops - mesh algorithm callbacks | |
1530 | * @list: list node for the batadv_algo_list | |
1531 | * @name: name of the algorithm | |
29824a55 AQ |
1532 | * @iface: callbacks related to interface handling |
1533 | * @neigh: callbacks related to neighbors handling | |
1534 | * @orig: callbacks related to originators handling | |
08686943 | 1535 | * @gw: callbacks related to GW mode |
88a32c9a | 1536 | */ |
56303d34 | 1537 | struct batadv_algo_ops { |
1c280471 ML |
1538 | struct hlist_node list; |
1539 | char *name; | |
29824a55 AQ |
1540 | struct batadv_algo_iface_ops iface; |
1541 | struct batadv_algo_neigh_ops neigh; | |
1542 | struct batadv_algo_orig_ops orig; | |
08686943 | 1543 | struct batadv_algo_gw_ops gw; |
1c280471 ML |
1544 | }; |
1545 | ||
2f1dfbe1 AQ |
1546 | /** |
1547 | * struct batadv_dat_entry - it is a single entry of batman-adv ARP backend. It | |
1548 | * is used to stored ARP entries needed for the global DAT cache | |
1549 | * @ip: the IPv4 corresponding to this DAT/ARP entry | |
1550 | * @mac_addr: the MAC address associated to the stored IPv4 | |
be1db4f6 | 1551 | * @vid: the vlan ID associated to this entry |
2f1dfbe1 AQ |
1552 | * @last_update: time in jiffies when this entry was refreshed last time |
1553 | * @hash_entry: hlist node for batadv_priv_dat::hash | |
1554 | * @refcount: number of contexts the object is used | |
1555 | * @rcu: struct used for freeing in an RCU-safe manner | |
1556 | */ | |
1557 | struct batadv_dat_entry { | |
1558 | __be32 ip; | |
6b5e971a | 1559 | u8 mac_addr[ETH_ALEN]; |
be1db4f6 | 1560 | unsigned short vid; |
2f1dfbe1 AQ |
1561 | unsigned long last_update; |
1562 | struct hlist_node hash_entry; | |
68a6722c | 1563 | struct kref refcount; |
2f1dfbe1 AQ |
1564 | struct rcu_head rcu; |
1565 | }; | |
1566 | ||
c5caf4ef LL |
1567 | /** |
1568 | * struct batadv_hw_addr - a list entry for a MAC address | |
1569 | * @list: list node for the linking of entries | |
1570 | * @addr: the MAC address of this list entry | |
1571 | */ | |
1572 | struct batadv_hw_addr { | |
1573 | struct hlist_node list; | |
1574 | unsigned char addr[ETH_ALEN]; | |
1575 | }; | |
1576 | ||
785ea114 AQ |
1577 | /** |
1578 | * struct batadv_dat_candidate - candidate destination for DAT operations | |
1579 | * @type: the type of the selected candidate. It can one of the following: | |
1580 | * - BATADV_DAT_CANDIDATE_NOT_FOUND | |
1581 | * - BATADV_DAT_CANDIDATE_ORIG | |
1582 | * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to the | |
1583 | * corresponding originator node structure | |
1584 | */ | |
1585 | struct batadv_dat_candidate { | |
1586 | int type; | |
1587 | struct batadv_orig_node *orig_node; | |
1588 | }; | |
1589 | ||
ef261577 ML |
1590 | /** |
1591 | * struct batadv_tvlv_container - container for tvlv appended to OGMs | |
1592 | * @list: hlist node for batadv_priv_tvlv::container_list | |
1593 | * @tvlv_hdr: tvlv header information needed to construct the tvlv | |
ef261577 ML |
1594 | * @refcount: number of contexts the object is used |
1595 | */ | |
1596 | struct batadv_tvlv_container { | |
1597 | struct hlist_node list; | |
1598 | struct batadv_tvlv_hdr tvlv_hdr; | |
f7157dd1 | 1599 | struct kref refcount; |
ef261577 ML |
1600 | }; |
1601 | ||
1602 | /** | |
1603 | * struct batadv_tvlv_handler - handler for specific tvlv type and version | |
1604 | * @list: hlist node for batadv_priv_tvlv::handler_list | |
1605 | * @ogm_handler: handler callback which is given the tvlv payload to process on | |
1606 | * incoming OGM packets | |
1607 | * @unicast_handler: handler callback which is given the tvlv payload to process | |
1608 | * on incoming unicast tvlv packets | |
1609 | * @type: tvlv type this handler feels responsible for | |
1610 | * @version: tvlv version this handler feels responsible for | |
1611 | * @flags: tvlv handler flags | |
1612 | * @refcount: number of contexts the object is used | |
1613 | * @rcu: struct used for freeing in an RCU-safe manner | |
1614 | */ | |
1615 | struct batadv_tvlv_handler { | |
1616 | struct hlist_node list; | |
1617 | void (*ogm_handler)(struct batadv_priv *bat_priv, | |
1618 | struct batadv_orig_node *orig, | |
6b5e971a | 1619 | u8 flags, void *tvlv_value, u16 tvlv_value_len); |
ef261577 | 1620 | int (*unicast_handler)(struct batadv_priv *bat_priv, |
6b5e971a SE |
1621 | u8 *src, u8 *dst, |
1622 | void *tvlv_value, u16 tvlv_value_len); | |
1623 | u8 type; | |
1624 | u8 version; | |
1625 | u8 flags; | |
32836f56 | 1626 | struct kref refcount; |
ef261577 ML |
1627 | struct rcu_head rcu; |
1628 | }; | |
1629 | ||
1630 | /** | |
1631 | * enum batadv_tvlv_handler_flags - tvlv handler flags definitions | |
1632 | * @BATADV_TVLV_HANDLER_OGM_CIFNOTFND: tvlv ogm processing function will call | |
1633 | * this handler even if its type was not found (with no data) | |
1634 | * @BATADV_TVLV_HANDLER_OGM_CALLED: interval tvlv handling flag - the API marks | |
1635 | * a handler as being called, so it won't be called if the | |
1636 | * BATADV_TVLV_HANDLER_OGM_CIFNOTFND flag was set | |
1637 | */ | |
1638 | enum batadv_tvlv_handler_flags { | |
1639 | BATADV_TVLV_HANDLER_OGM_CIFNOTFND = BIT(1), | |
1640 | BATADV_TVLV_HANDLER_OGM_CALLED = BIT(2), | |
1641 | }; | |
1642 | ||
77d69d8c SE |
1643 | /** |
1644 | * struct batadv_store_mesh_work - Work queue item to detach add/del interface | |
1645 | * from sysfs locks | |
1646 | * @net_dev: netdevice to add/remove to/from batman-adv soft-interface | |
1647 | * @soft_iface_name: name of soft-interface to modify | |
1648 | * @work: work queue item | |
1649 | */ | |
1650 | struct batadv_store_mesh_work { | |
1651 | struct net_device *net_dev; | |
1652 | char soft_iface_name[IFNAMSIZ]; | |
1653 | struct work_struct work; | |
1654 | }; | |
1655 | ||
c6c8fea2 | 1656 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |