Commit | Line | Data |
---|---|---|
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 | |
60 | * @last_real_seqno: last and best known squence number | |
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; | |
cc47f66e AQ |
84 | /* The tt_poss_change flag is used to detect an ongoing roaming phase. |
85 | * If true, then I sent a Roaming_adv to this orig_node and I have to | |
86 | * inspect every packet directed to it to check whether it is still | |
87 | * the true destination or not. This flag will be reset to false as | |
88 | * soon as I receive a new TTVN from this orig_node */ | |
89 | bool tt_poss_change; | |
c6c8fea2 SE |
90 | uint32_t last_real_seqno; |
91 | uint8_t last_ttl; | |
92 | unsigned long bcast_bits[NUM_WORDS]; | |
93 | uint32_t last_bcast_seqno; | |
9591a79f | 94 | struct hlist_head neigh_list; |
c6c8fea2 | 95 | struct list_head frag_list; |
e1a5382f | 96 | spinlock_t neigh_list_lock; /* protects neigh_list and router */ |
7b36e8ee ML |
97 | atomic_t refcount; |
98 | struct rcu_head rcu; | |
7aadf889 | 99 | struct hlist_node hash_entry; |
16b1aba8 | 100 | struct bat_priv *bat_priv; |
c6c8fea2 | 101 | unsigned long last_frag_packet; |
6e215fd8 SE |
102 | /* ogm_cnt_lock protects: bcast_own, bcast_own_sum, |
103 | * neigh_node->real_bits, neigh_node->real_packet_count */ | |
104 | spinlock_t ogm_cnt_lock; | |
105 | /* bcast_seqno_lock protects bcast_bits, last_bcast_seqno */ | |
106 | spinlock_t bcast_seqno_lock; | |
a73105b8 | 107 | spinlock_t tt_list_lock; /* protects tt_list */ |
a4c135c5 SW |
108 | atomic_t bond_candidates; |
109 | struct list_head bond_list; | |
c6c8fea2 SE |
110 | }; |
111 | ||
112 | struct gw_node { | |
113 | struct hlist_node list; | |
114 | struct orig_node *orig_node; | |
115 | unsigned long deleted; | |
25b6d3c1 | 116 | atomic_t refcount; |
c6c8fea2 SE |
117 | struct rcu_head rcu; |
118 | }; | |
119 | ||
120 | /** | |
121 | * neigh_node | |
122 | * @last_valid: when last packet via this neighbor was received | |
123 | */ | |
124 | struct neigh_node { | |
9591a79f | 125 | struct hlist_node list; |
c6c8fea2 SE |
126 | uint8_t addr[ETH_ALEN]; |
127 | uint8_t real_packet_count; | |
128 | uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE]; | |
129 | uint8_t tq_index; | |
130 | uint8_t tq_avg; | |
131 | uint8_t last_ttl; | |
a4c135c5 | 132 | struct list_head bonding_list; |
c6c8fea2 SE |
133 | unsigned long last_valid; |
134 | unsigned long real_bits[NUM_WORDS]; | |
44524fcd | 135 | atomic_t refcount; |
f987ed6e | 136 | struct rcu_head rcu; |
c6c8fea2 | 137 | struct orig_node *orig_node; |
e6c10f43 | 138 | struct hard_iface *if_incoming; |
68003903 | 139 | spinlock_t tq_lock; /* protects: tq_recv, tq_index */ |
c6c8fea2 SE |
140 | }; |
141 | ||
142 | ||
143 | struct bat_priv { | |
144 | atomic_t mesh_state; | |
145 | struct net_device_stats stats; | |
146 | atomic_t aggregated_ogms; /* boolean */ | |
147 | atomic_t bonding; /* boolean */ | |
148 | atomic_t fragmentation; /* boolean */ | |
149 | atomic_t vis_mode; /* VIS_TYPE_* */ | |
150 | atomic_t gw_mode; /* GW_MODE_* */ | |
151 | atomic_t gw_sel_class; /* uint */ | |
152 | atomic_t gw_bandwidth; /* gw bandwidth */ | |
153 | atomic_t orig_interval; /* uint */ | |
154 | atomic_t hop_penalty; /* uint */ | |
155 | atomic_t log_level; /* uint */ | |
156 | atomic_t bcast_seqno; | |
157 | atomic_t bcast_queue_left; | |
158 | atomic_t batman_queue_left; | |
a73105b8 AQ |
159 | atomic_t ttvn; /* tranlation table version number */ |
160 | atomic_t tt_ogm_append_cnt; | |
161 | atomic_t tt_local_changes; /* changes registered in a OGM interval */ | |
cc47f66e AQ |
162 | /* The tt_poss_change flag is used to detect an ongoing roaming phase. |
163 | * If true, then I received a Roaming_adv and I have to inspect every | |
164 | * packet directed to me to check whether I am still the true | |
165 | * destination or not. This flag will be reset to false as soon as I | |
166 | * increase my TTVN */ | |
167 | bool tt_poss_change; | |
c6c8fea2 | 168 | char num_ifaces; |
c6c8fea2 | 169 | struct debug_log *debug_log; |
c6c8fea2 SE |
170 | struct kobject *mesh_obj; |
171 | struct dentry *debug_dir; | |
172 | struct hlist_head forw_bat_list; | |
173 | struct hlist_head forw_bcast_list; | |
174 | struct hlist_head gw_list; | |
61906ae8 | 175 | struct hlist_head softif_neigh_vids; |
a73105b8 | 176 | struct list_head tt_changes_list; /* tracks changes in a OGM int */ |
c6c8fea2 SE |
177 | struct list_head vis_send_list; |
178 | struct hashtable_t *orig_hash; | |
2dafb49d AQ |
179 | struct hashtable_t *tt_local_hash; |
180 | struct hashtable_t *tt_global_hash; | |
a73105b8 | 181 | struct list_head tt_req_list; /* list of pending tt_requests */ |
cc47f66e | 182 | struct list_head tt_roam_list; |
c6c8fea2 | 183 | struct hashtable_t *vis_hash; |
c6c8fea2 SE |
184 | spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ |
185 | spinlock_t forw_bcast_list_lock; /* protects */ | |
a73105b8 | 186 | spinlock_t tt_changes_list_lock; /* protects tt_changes */ |
a73105b8 | 187 | spinlock_t tt_req_list_lock; /* protects tt_req_list */ |
cc47f66e | 188 | spinlock_t tt_roam_list_lock; /* protects tt_roam_list */ |
5d02b3cd | 189 | spinlock_t gw_list_lock; /* protects gw_list and curr_gw */ |
c6c8fea2 SE |
190 | spinlock_t vis_hash_lock; /* protects vis_hash */ |
191 | spinlock_t vis_list_lock; /* protects vis_info::recv_list */ | |
192 | spinlock_t softif_neigh_lock; /* protects soft-interface neigh list */ | |
61906ae8 | 193 | spinlock_t softif_neigh_vid_lock; /* protects soft-interface vid list */ |
a73105b8 AQ |
194 | atomic_t num_local_tt; |
195 | /* Checksum of the local table, recomputed before sending a new OGM */ | |
196 | atomic_t tt_crc; | |
197 | unsigned char *tt_buff; | |
198 | int16_t tt_buff_len; | |
199 | spinlock_t tt_buff_lock; /* protects tt_buff */ | |
2dafb49d | 200 | struct delayed_work tt_work; |
c6c8fea2 SE |
201 | struct delayed_work orig_work; |
202 | struct delayed_work vis_work; | |
5d02b3cd | 203 | struct gw_node __rcu *curr_gw; /* rcu protected pointer */ |
2265c141 | 204 | atomic_t gw_reselect; |
32ae9b22 | 205 | struct hard_iface __rcu *primary_if; /* rcu protected pointer */ |
c6c8fea2 SE |
206 | struct vis_info *my_vis_info; |
207 | }; | |
208 | ||
209 | struct socket_client { | |
210 | struct list_head queue_list; | |
211 | unsigned int queue_len; | |
212 | unsigned char index; | |
213 | spinlock_t lock; /* protects queue_list, queue_len, index */ | |
214 | wait_queue_head_t queue_wait; | |
215 | struct bat_priv *bat_priv; | |
216 | }; | |
217 | ||
218 | struct socket_packet { | |
219 | struct list_head list; | |
220 | size_t icmp_len; | |
221 | struct icmp_packet_rr icmp_packet; | |
222 | }; | |
223 | ||
2dafb49d | 224 | struct tt_local_entry { |
c6c8fea2 SE |
225 | uint8_t addr[ETH_ALEN]; |
226 | unsigned long last_seen; | |
5fbc1598 | 227 | uint16_t flags; |
7683fdc1 AQ |
228 | atomic_t refcount; |
229 | struct rcu_head rcu; | |
7aadf889 | 230 | struct hlist_node hash_entry; |
c6c8fea2 SE |
231 | }; |
232 | ||
2dafb49d | 233 | struct tt_global_entry { |
c6c8fea2 SE |
234 | uint8_t addr[ETH_ALEN]; |
235 | struct orig_node *orig_node; | |
a73105b8 | 236 | uint8_t ttvn; |
5fbc1598 | 237 | uint16_t flags; /* only TT_GLOBAL_ROAM is used */ |
cc47f66e | 238 | unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */ |
7683fdc1 AQ |
239 | atomic_t refcount; |
240 | struct rcu_head rcu; | |
cc47f66e | 241 | struct hlist_node hash_entry; /* entry in the global table */ |
c6c8fea2 SE |
242 | }; |
243 | ||
a73105b8 AQ |
244 | struct tt_change_node { |
245 | struct list_head list; | |
246 | struct tt_change change; | |
247 | }; | |
248 | ||
249 | struct tt_req_node { | |
250 | uint8_t addr[ETH_ALEN]; | |
251 | unsigned long issued_at; | |
252 | struct list_head list; | |
253 | }; | |
254 | ||
cc47f66e AQ |
255 | struct tt_roam_node { |
256 | uint8_t addr[ETH_ALEN]; | |
257 | atomic_t counter; | |
258 | unsigned long first_time; | |
259 | struct list_head list; | |
260 | }; | |
261 | ||
c6c8fea2 SE |
262 | /** |
263 | * forw_packet - structure for forw_list maintaining packets to be | |
264 | * send/forwarded | |
265 | */ | |
266 | struct forw_packet { | |
267 | struct hlist_node list; | |
268 | unsigned long send_time; | |
269 | uint8_t own; | |
270 | struct sk_buff *skb; | |
271 | uint16_t packet_len; | |
272 | uint32_t direct_link_flags; | |
273 | uint8_t num_packets; | |
274 | struct delayed_work delayed_work; | |
e6c10f43 | 275 | struct hard_iface *if_incoming; |
c6c8fea2 SE |
276 | }; |
277 | ||
278 | /* While scanning for vis-entries of a particular vis-originator | |
279 | * this list collects its interfaces to create a subgraph/cluster | |
280 | * out of them later | |
281 | */ | |
282 | struct if_list_entry { | |
283 | uint8_t addr[ETH_ALEN]; | |
284 | bool primary; | |
285 | struct hlist_node list; | |
286 | }; | |
287 | ||
288 | struct debug_log { | |
289 | char log_buff[LOG_BUF_LEN]; | |
290 | unsigned long log_start; | |
291 | unsigned long log_end; | |
292 | spinlock_t lock; /* protects log_buff, log_start and log_end */ | |
293 | wait_queue_head_t queue_wait; | |
294 | }; | |
295 | ||
296 | struct frag_packet_list_entry { | |
297 | struct list_head list; | |
298 | uint16_t seqno; | |
299 | struct sk_buff *skb; | |
300 | }; | |
301 | ||
302 | struct vis_info { | |
40219672 AQ |
303 | unsigned long first_seen; |
304 | /* list of server-neighbors we received a vis-packet | |
305 | * from. we should not reply to them. */ | |
306 | struct list_head recv_list; | |
c6c8fea2 SE |
307 | struct list_head send_list; |
308 | struct kref refcount; | |
7aadf889 | 309 | struct hlist_node hash_entry; |
c6c8fea2 SE |
310 | struct bat_priv *bat_priv; |
311 | /* this packet might be part of the vis send queue. */ | |
312 | struct sk_buff *skb_packet; | |
313 | /* vis_info may follow here*/ | |
aa0adb1a | 314 | } __packed; |
c6c8fea2 SE |
315 | |
316 | struct vis_info_entry { | |
317 | uint8_t src[ETH_ALEN]; | |
318 | uint8_t dest[ETH_ALEN]; | |
2dafb49d | 319 | uint8_t quality; /* quality = 0 client */ |
aa0adb1a | 320 | } __packed; |
c6c8fea2 SE |
321 | |
322 | struct recvlist_node { | |
323 | struct list_head list; | |
324 | uint8_t mac[ETH_ALEN]; | |
325 | }; | |
326 | ||
61906ae8 ML |
327 | struct softif_neigh_vid { |
328 | struct hlist_node list; | |
329 | struct bat_priv *bat_priv; | |
330 | short vid; | |
331 | atomic_t refcount; | |
332 | struct softif_neigh __rcu *softif_neigh; | |
333 | struct rcu_head rcu; | |
334 | struct hlist_head softif_neigh_list; | |
335 | }; | |
336 | ||
c6c8fea2 SE |
337 | struct softif_neigh { |
338 | struct hlist_node list; | |
339 | uint8_t addr[ETH_ALEN]; | |
340 | unsigned long last_seen; | |
7d2b5548 | 341 | atomic_t refcount; |
c6c8fea2 SE |
342 | struct rcu_head rcu; |
343 | }; | |
344 | ||
345 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |