Commit | Line | Data |
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c6c8fea2 | 1 | /* |
64afe353 | 2 | * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
3 | * |
4 | * Marek Lindner, Simon Wunderlich | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of version 2 of the GNU General Public | |
8 | * License as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
18 | * 02110-1301, USA | |
19 | * | |
20 | */ | |
21 | ||
22 | ||
23 | ||
24 | #ifndef _NET_BATMAN_ADV_TYPES_H_ | |
25 | #define _NET_BATMAN_ADV_TYPES_H_ | |
26 | ||
27 | #include "packet.h" | |
28 | #include "bitarray.h" | |
29 | ||
30 | #define BAT_HEADER_LEN (sizeof(struct ethhdr) + \ | |
31 | ((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? \ | |
32 | sizeof(struct unicast_packet) : \ | |
33 | sizeof(struct bcast_packet)))) | |
34 | ||
35 | ||
e6c10f43 | 36 | struct hard_iface { |
c6c8fea2 SE |
37 | struct list_head list; |
38 | int16_t if_num; | |
39 | char if_status; | |
40 | struct net_device *net_dev; | |
41 | atomic_t seqno; | |
42 | atomic_t frag_seqno; | |
43 | unsigned char *packet_buff; | |
44 | int packet_len; | |
45 | struct kobject *hardif_obj; | |
ed75ccbe | 46 | atomic_t refcount; |
c6c8fea2 SE |
47 | struct packet_type batman_adv_ptype; |
48 | struct net_device *soft_iface; | |
49 | struct rcu_head rcu; | |
50 | }; | |
51 | ||
52 | /** | |
53 | * orig_node - structure for orig_list maintaining nodes of mesh | |
54 | * @primary_addr: hosts primary interface address | |
55 | * @last_valid: when last packet from this node was received | |
56 | * @bcast_seqno_reset: time when the broadcast seqno window was reset | |
57 | * @batman_seqno_reset: time when the batman seqno window was reset | |
58 | * @gw_flags: flags related to gateway class | |
59 | * @flags: for now only VIS_SERVER flag | |
015758d0 | 60 | * @last_real_seqno: last and best known sequence number |
c6c8fea2 SE |
61 | * @last_ttl: ttl of last received packet |
62 | * @last_bcast_seqno: last broadcast sequence number received by this host | |
63 | * | |
64 | * @candidates: how many candidates are available | |
65 | * @selected: next bonding candidate | |
66 | */ | |
67 | struct orig_node { | |
68 | uint8_t orig[ETH_ALEN]; | |
69 | uint8_t primary_addr[ETH_ALEN]; | |
e1a5382f | 70 | struct neigh_node __rcu *router; /* rcu protected pointer */ |
c6c8fea2 SE |
71 | unsigned long *bcast_own; |
72 | uint8_t *bcast_own_sum; | |
c6c8fea2 SE |
73 | unsigned long last_valid; |
74 | unsigned long bcast_seqno_reset; | |
75 | unsigned long batman_seqno_reset; | |
76 | uint8_t gw_flags; | |
77 | uint8_t flags; | |
a73105b8 AQ |
78 | atomic_t last_ttvn; /* last seen translation table version number */ |
79 | uint16_t tt_crc; | |
2dafb49d AQ |
80 | unsigned char *tt_buff; |
81 | int16_t tt_buff_len; | |
a73105b8 AQ |
82 | spinlock_t tt_buff_lock; /* protects tt_buff */ |
83 | atomic_t tt_size; | |
17071578 | 84 | bool tt_initialised; |
cc47f66e AQ |
85 | /* The tt_poss_change flag is used to detect an ongoing roaming phase. |
86 | * If true, then I sent a Roaming_adv to this orig_node and I have to | |
87 | * inspect every packet directed to it to check whether it is still | |
88 | * the true destination or not. This flag will be reset to false as | |
89 | * soon as I receive a new TTVN from this orig_node */ | |
90 | bool tt_poss_change; | |
c6c8fea2 SE |
91 | uint32_t last_real_seqno; |
92 | uint8_t last_ttl; | |
93 | unsigned long bcast_bits[NUM_WORDS]; | |
94 | uint32_t last_bcast_seqno; | |
9591a79f | 95 | struct hlist_head neigh_list; |
c6c8fea2 | 96 | struct list_head frag_list; |
e1a5382f | 97 | spinlock_t neigh_list_lock; /* protects neigh_list and router */ |
7b36e8ee ML |
98 | atomic_t refcount; |
99 | struct rcu_head rcu; | |
7aadf889 | 100 | struct hlist_node hash_entry; |
16b1aba8 | 101 | struct bat_priv *bat_priv; |
c6c8fea2 | 102 | unsigned long last_frag_packet; |
6e215fd8 SE |
103 | /* ogm_cnt_lock protects: bcast_own, bcast_own_sum, |
104 | * neigh_node->real_bits, neigh_node->real_packet_count */ | |
105 | spinlock_t ogm_cnt_lock; | |
106 | /* bcast_seqno_lock protects bcast_bits, last_bcast_seqno */ | |
107 | spinlock_t bcast_seqno_lock; | |
a73105b8 | 108 | spinlock_t tt_list_lock; /* protects tt_list */ |
a4c135c5 SW |
109 | atomic_t bond_candidates; |
110 | struct list_head bond_list; | |
c6c8fea2 SE |
111 | }; |
112 | ||
113 | struct gw_node { | |
114 | struct hlist_node list; | |
115 | struct orig_node *orig_node; | |
116 | unsigned long deleted; | |
25b6d3c1 | 117 | atomic_t refcount; |
c6c8fea2 SE |
118 | struct rcu_head rcu; |
119 | }; | |
120 | ||
121 | /** | |
122 | * neigh_node | |
123 | * @last_valid: when last packet via this neighbor was received | |
124 | */ | |
125 | struct neigh_node { | |
9591a79f | 126 | struct hlist_node list; |
c6c8fea2 SE |
127 | uint8_t addr[ETH_ALEN]; |
128 | uint8_t real_packet_count; | |
129 | uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE]; | |
130 | uint8_t tq_index; | |
131 | uint8_t tq_avg; | |
132 | uint8_t last_ttl; | |
a4c135c5 | 133 | struct list_head bonding_list; |
c6c8fea2 SE |
134 | unsigned long last_valid; |
135 | unsigned long real_bits[NUM_WORDS]; | |
44524fcd | 136 | atomic_t refcount; |
f987ed6e | 137 | struct rcu_head rcu; |
c6c8fea2 | 138 | struct orig_node *orig_node; |
e6c10f43 | 139 | struct hard_iface *if_incoming; |
68003903 | 140 | spinlock_t tq_lock; /* protects: tq_recv, tq_index */ |
c6c8fea2 SE |
141 | }; |
142 | ||
143 | ||
144 | struct bat_priv { | |
145 | atomic_t mesh_state; | |
146 | struct net_device_stats stats; | |
147 | atomic_t aggregated_ogms; /* boolean */ | |
148 | atomic_t bonding; /* boolean */ | |
149 | atomic_t fragmentation; /* boolean */ | |
59b699cd | 150 | atomic_t ap_isolation; /* boolean */ |
c6c8fea2 SE |
151 | atomic_t vis_mode; /* VIS_TYPE_* */ |
152 | atomic_t gw_mode; /* GW_MODE_* */ | |
153 | atomic_t gw_sel_class; /* uint */ | |
154 | atomic_t gw_bandwidth; /* gw bandwidth */ | |
155 | atomic_t orig_interval; /* uint */ | |
156 | atomic_t hop_penalty; /* uint */ | |
157 | atomic_t log_level; /* uint */ | |
158 | atomic_t bcast_seqno; | |
159 | atomic_t bcast_queue_left; | |
160 | atomic_t batman_queue_left; | |
015758d0 | 161 | atomic_t ttvn; /* translation table version number */ |
a73105b8 AQ |
162 | atomic_t tt_ogm_append_cnt; |
163 | atomic_t tt_local_changes; /* changes registered in a OGM interval */ | |
cc47f66e AQ |
164 | /* The tt_poss_change flag is used to detect an ongoing roaming phase. |
165 | * If true, then I received a Roaming_adv and I have to inspect every | |
166 | * packet directed to me to check whether I am still the true | |
167 | * destination or not. This flag will be reset to false as soon as I | |
168 | * increase my TTVN */ | |
169 | bool tt_poss_change; | |
c6c8fea2 | 170 | char num_ifaces; |
c6c8fea2 | 171 | struct debug_log *debug_log; |
c6c8fea2 SE |
172 | struct kobject *mesh_obj; |
173 | struct dentry *debug_dir; | |
174 | struct hlist_head forw_bat_list; | |
175 | struct hlist_head forw_bcast_list; | |
176 | struct hlist_head gw_list; | |
61906ae8 | 177 | struct hlist_head softif_neigh_vids; |
a73105b8 | 178 | struct list_head tt_changes_list; /* tracks changes in a OGM int */ |
c6c8fea2 SE |
179 | struct list_head vis_send_list; |
180 | struct hashtable_t *orig_hash; | |
2dafb49d AQ |
181 | struct hashtable_t *tt_local_hash; |
182 | struct hashtable_t *tt_global_hash; | |
a73105b8 | 183 | struct list_head tt_req_list; /* list of pending tt_requests */ |
cc47f66e | 184 | struct list_head tt_roam_list; |
c6c8fea2 | 185 | struct hashtable_t *vis_hash; |
c6c8fea2 SE |
186 | spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ |
187 | spinlock_t forw_bcast_list_lock; /* protects */ | |
a73105b8 | 188 | spinlock_t tt_changes_list_lock; /* protects tt_changes */ |
a73105b8 | 189 | spinlock_t tt_req_list_lock; /* protects tt_req_list */ |
cc47f66e | 190 | spinlock_t tt_roam_list_lock; /* protects tt_roam_list */ |
5d02b3cd | 191 | spinlock_t gw_list_lock; /* protects gw_list and curr_gw */ |
c6c8fea2 SE |
192 | spinlock_t vis_hash_lock; /* protects vis_hash */ |
193 | spinlock_t vis_list_lock; /* protects vis_info::recv_list */ | |
194 | spinlock_t softif_neigh_lock; /* protects soft-interface neigh list */ | |
61906ae8 | 195 | spinlock_t softif_neigh_vid_lock; /* protects soft-interface vid list */ |
a73105b8 AQ |
196 | atomic_t num_local_tt; |
197 | /* Checksum of the local table, recomputed before sending a new OGM */ | |
198 | atomic_t tt_crc; | |
199 | unsigned char *tt_buff; | |
200 | int16_t tt_buff_len; | |
201 | spinlock_t tt_buff_lock; /* protects tt_buff */ | |
2dafb49d | 202 | struct delayed_work tt_work; |
c6c8fea2 SE |
203 | struct delayed_work orig_work; |
204 | struct delayed_work vis_work; | |
5d02b3cd | 205 | struct gw_node __rcu *curr_gw; /* rcu protected pointer */ |
2265c141 | 206 | atomic_t gw_reselect; |
32ae9b22 | 207 | struct hard_iface __rcu *primary_if; /* rcu protected pointer */ |
c6c8fea2 SE |
208 | struct vis_info *my_vis_info; |
209 | }; | |
210 | ||
211 | struct socket_client { | |
212 | struct list_head queue_list; | |
213 | unsigned int queue_len; | |
214 | unsigned char index; | |
215 | spinlock_t lock; /* protects queue_list, queue_len, index */ | |
216 | wait_queue_head_t queue_wait; | |
217 | struct bat_priv *bat_priv; | |
218 | }; | |
219 | ||
220 | struct socket_packet { | |
221 | struct list_head list; | |
222 | size_t icmp_len; | |
223 | struct icmp_packet_rr icmp_packet; | |
224 | }; | |
225 | ||
48100bac | 226 | struct tt_common_entry { |
c6c8fea2 | 227 | uint8_t addr[ETH_ALEN]; |
93840ac4 | 228 | struct hlist_node hash_entry; |
5fbc1598 | 229 | uint16_t flags; |
7683fdc1 AQ |
230 | atomic_t refcount; |
231 | struct rcu_head rcu; | |
c6c8fea2 SE |
232 | }; |
233 | ||
48100bac AQ |
234 | struct tt_local_entry { |
235 | struct tt_common_entry common; | |
236 | unsigned long last_seen; | |
237 | }; | |
238 | ||
2dafb49d | 239 | struct tt_global_entry { |
48100bac | 240 | struct tt_common_entry common; |
c6c8fea2 | 241 | struct orig_node *orig_node; |
a73105b8 | 242 | uint8_t ttvn; |
cc47f66e | 243 | unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */ |
c6c8fea2 SE |
244 | }; |
245 | ||
a73105b8 AQ |
246 | struct tt_change_node { |
247 | struct list_head list; | |
248 | struct tt_change change; | |
249 | }; | |
250 | ||
251 | struct tt_req_node { | |
252 | uint8_t addr[ETH_ALEN]; | |
253 | unsigned long issued_at; | |
254 | struct list_head list; | |
255 | }; | |
256 | ||
cc47f66e AQ |
257 | struct tt_roam_node { |
258 | uint8_t addr[ETH_ALEN]; | |
259 | atomic_t counter; | |
260 | unsigned long first_time; | |
261 | struct list_head list; | |
262 | }; | |
263 | ||
c6c8fea2 SE |
264 | /** |
265 | * forw_packet - structure for forw_list maintaining packets to be | |
266 | * send/forwarded | |
267 | */ | |
268 | struct forw_packet { | |
269 | struct hlist_node list; | |
270 | unsigned long send_time; | |
271 | uint8_t own; | |
272 | struct sk_buff *skb; | |
273 | uint16_t packet_len; | |
274 | uint32_t direct_link_flags; | |
275 | uint8_t num_packets; | |
276 | struct delayed_work delayed_work; | |
e6c10f43 | 277 | struct hard_iface *if_incoming; |
c6c8fea2 SE |
278 | }; |
279 | ||
280 | /* While scanning for vis-entries of a particular vis-originator | |
281 | * this list collects its interfaces to create a subgraph/cluster | |
282 | * out of them later | |
283 | */ | |
284 | struct if_list_entry { | |
285 | uint8_t addr[ETH_ALEN]; | |
286 | bool primary; | |
287 | struct hlist_node list; | |
288 | }; | |
289 | ||
290 | struct debug_log { | |
291 | char log_buff[LOG_BUF_LEN]; | |
292 | unsigned long log_start; | |
293 | unsigned long log_end; | |
294 | spinlock_t lock; /* protects log_buff, log_start and log_end */ | |
295 | wait_queue_head_t queue_wait; | |
296 | }; | |
297 | ||
298 | struct frag_packet_list_entry { | |
299 | struct list_head list; | |
300 | uint16_t seqno; | |
301 | struct sk_buff *skb; | |
302 | }; | |
303 | ||
304 | struct vis_info { | |
40219672 AQ |
305 | unsigned long first_seen; |
306 | /* list of server-neighbors we received a vis-packet | |
307 | * from. we should not reply to them. */ | |
308 | struct list_head recv_list; | |
c6c8fea2 SE |
309 | struct list_head send_list; |
310 | struct kref refcount; | |
7aadf889 | 311 | struct hlist_node hash_entry; |
c6c8fea2 SE |
312 | struct bat_priv *bat_priv; |
313 | /* this packet might be part of the vis send queue. */ | |
314 | struct sk_buff *skb_packet; | |
315 | /* vis_info may follow here*/ | |
aa0adb1a | 316 | } __packed; |
c6c8fea2 SE |
317 | |
318 | struct vis_info_entry { | |
319 | uint8_t src[ETH_ALEN]; | |
320 | uint8_t dest[ETH_ALEN]; | |
2dafb49d | 321 | uint8_t quality; /* quality = 0 client */ |
aa0adb1a | 322 | } __packed; |
c6c8fea2 SE |
323 | |
324 | struct recvlist_node { | |
325 | struct list_head list; | |
326 | uint8_t mac[ETH_ALEN]; | |
327 | }; | |
328 | ||
61906ae8 ML |
329 | struct softif_neigh_vid { |
330 | struct hlist_node list; | |
331 | struct bat_priv *bat_priv; | |
332 | short vid; | |
333 | atomic_t refcount; | |
334 | struct softif_neigh __rcu *softif_neigh; | |
335 | struct rcu_head rcu; | |
336 | struct hlist_head softif_neigh_list; | |
337 | }; | |
338 | ||
c6c8fea2 SE |
339 | struct softif_neigh { |
340 | struct hlist_node list; | |
341 | uint8_t addr[ETH_ALEN]; | |
342 | unsigned long last_seen; | |
7d2b5548 | 343 | atomic_t refcount; |
c6c8fea2 SE |
344 | struct rcu_head rcu; |
345 | }; | |
346 | ||
347 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |