2 * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
4 * Marek Lindner, Simon Wunderlich
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.
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.
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
24 #ifndef _NET_BATMAN_ADV_TYPES_H_
25 #define _NET_BATMAN_ADV_TYPES_H_
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))))
37 struct list_head list
;
40 struct net_device
*net_dev
;
43 unsigned char *packet_buff
;
45 struct kobject
*hardif_obj
;
47 struct packet_type batman_adv_ptype
;
48 struct net_device
*soft_iface
;
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 sequence number
61 * @last_ttl: ttl of last received packet
62 * @last_bcast_seqno: last broadcast sequence number received by this host
64 * @candidates: how many candidates are available
65 * @selected: next bonding candidate
68 uint8_t orig
[ETH_ALEN
];
69 uint8_t primary_addr
[ETH_ALEN
];
70 struct neigh_node __rcu
*router
; /* rcu protected pointer */
71 unsigned long *bcast_own
;
72 uint8_t *bcast_own_sum
;
73 unsigned long last_valid
;
74 unsigned long bcast_seqno_reset
;
75 unsigned long batman_seqno_reset
;
78 atomic_t last_ttvn
; /* last seen translation table version number */
80 unsigned char *tt_buff
;
82 spinlock_t tt_buff_lock
; /* protects tt_buff */
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 */
91 uint32_t last_real_seqno
;
93 unsigned long bcast_bits
[NUM_WORDS
];
94 uint32_t last_bcast_seqno
;
95 struct hlist_head neigh_list
;
96 struct list_head frag_list
;
97 spinlock_t neigh_list_lock
; /* protects neigh_list and router */
100 struct hlist_node hash_entry
;
101 struct bat_priv
*bat_priv
;
102 unsigned long last_frag_packet
;
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
;
108 spinlock_t tt_list_lock
; /* protects tt_list */
109 atomic_t bond_candidates
;
110 struct list_head bond_list
;
114 struct hlist_node list
;
115 struct orig_node
*orig_node
;
116 unsigned long deleted
;
123 * @last_valid: when last packet via this neighbor was received
126 struct hlist_node list
;
127 uint8_t addr
[ETH_ALEN
];
128 uint8_t real_packet_count
;
129 uint8_t tq_recv
[TQ_GLOBAL_WINDOW_SIZE
];
133 struct list_head bonding_list
;
134 unsigned long last_valid
;
135 unsigned long real_bits
[NUM_WORDS
];
138 struct orig_node
*orig_node
;
139 struct hard_iface
*if_incoming
;
140 spinlock_t tq_lock
; /* protects: tq_recv, tq_index */
146 struct net_device_stats stats
;
147 atomic_t aggregated_ogms
; /* boolean */
148 atomic_t bonding
; /* boolean */
149 atomic_t fragmentation
; /* boolean */
150 atomic_t ap_isolation
; /* boolean */
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
;
161 atomic_t ttvn
; /* translation table version number */
162 atomic_t tt_ogm_append_cnt
;
163 atomic_t tt_local_changes
; /* changes registered in a OGM interval */
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 */
171 struct debug_log
*debug_log
;
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
;
177 struct hlist_head softif_neigh_vids
;
178 struct list_head tt_changes_list
; /* tracks changes in a OGM int */
179 struct list_head vis_send_list
;
180 struct hashtable_t
*orig_hash
;
181 struct hashtable_t
*tt_local_hash
;
182 struct hashtable_t
*tt_global_hash
;
183 struct list_head tt_req_list
; /* list of pending tt_requests */
184 struct list_head tt_roam_list
;
185 struct hashtable_t
*vis_hash
;
186 spinlock_t forw_bat_list_lock
; /* protects forw_bat_list */
187 spinlock_t forw_bcast_list_lock
; /* protects */
188 spinlock_t tt_changes_list_lock
; /* protects tt_changes */
189 spinlock_t tt_req_list_lock
; /* protects tt_req_list */
190 spinlock_t tt_roam_list_lock
; /* protects tt_roam_list */
191 spinlock_t gw_list_lock
; /* protects gw_list and curr_gw */
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 */
195 spinlock_t softif_neigh_vid_lock
; /* protects soft-interface vid list */
196 atomic_t num_local_tt
;
197 /* Checksum of the local table, recomputed before sending a new OGM */
199 unsigned char *tt_buff
;
201 spinlock_t tt_buff_lock
; /* protects tt_buff */
202 struct delayed_work tt_work
;
203 struct delayed_work orig_work
;
204 struct delayed_work vis_work
;
205 struct gw_node __rcu
*curr_gw
; /* rcu protected pointer */
206 atomic_t gw_reselect
;
207 struct hard_iface __rcu
*primary_if
; /* rcu protected pointer */
208 struct vis_info
*my_vis_info
;
209 struct bat_algo_ops
*bat_algo_ops
;
212 struct socket_client
{
213 struct list_head queue_list
;
214 unsigned int queue_len
;
216 spinlock_t lock
; /* protects queue_list, queue_len, index */
217 wait_queue_head_t queue_wait
;
218 struct bat_priv
*bat_priv
;
221 struct socket_packet
{
222 struct list_head list
;
224 struct icmp_packet_rr icmp_packet
;
227 struct tt_common_entry
{
228 uint8_t addr
[ETH_ALEN
];
229 struct hlist_node hash_entry
;
235 struct tt_local_entry
{
236 struct tt_common_entry common
;
237 unsigned long last_seen
;
240 struct tt_global_entry
{
241 struct tt_common_entry common
;
242 struct orig_node
*orig_node
;
244 unsigned long roam_at
; /* time at which TT_GLOBAL_ROAM was set */
247 struct tt_change_node
{
248 struct list_head list
;
249 struct tt_change change
;
253 uint8_t addr
[ETH_ALEN
];
254 unsigned long issued_at
;
255 struct list_head list
;
258 struct tt_roam_node
{
259 uint8_t addr
[ETH_ALEN
];
261 unsigned long first_time
;
262 struct list_head list
;
266 * forw_packet - structure for forw_list maintaining packets to be
270 struct hlist_node list
;
271 unsigned long send_time
;
275 uint32_t direct_link_flags
;
277 struct delayed_work delayed_work
;
278 struct hard_iface
*if_incoming
;
281 /* While scanning for vis-entries of a particular vis-originator
282 * this list collects its interfaces to create a subgraph/cluster
285 struct if_list_entry
{
286 uint8_t addr
[ETH_ALEN
];
288 struct hlist_node list
;
292 char log_buff
[LOG_BUF_LEN
];
293 unsigned long log_start
;
294 unsigned long log_end
;
295 spinlock_t lock
; /* protects log_buff, log_start and log_end */
296 wait_queue_head_t queue_wait
;
299 struct frag_packet_list_entry
{
300 struct list_head list
;
306 unsigned long first_seen
;
307 /* list of server-neighbors we received a vis-packet
308 * from. we should not reply to them. */
309 struct list_head recv_list
;
310 struct list_head send_list
;
311 struct kref refcount
;
312 struct hlist_node hash_entry
;
313 struct bat_priv
*bat_priv
;
314 /* this packet might be part of the vis send queue. */
315 struct sk_buff
*skb_packet
;
316 /* vis_info may follow here*/
319 struct vis_info_entry
{
320 uint8_t src
[ETH_ALEN
];
321 uint8_t dest
[ETH_ALEN
];
322 uint8_t quality
; /* quality = 0 client */
325 struct recvlist_node
{
326 struct list_head list
;
327 uint8_t mac
[ETH_ALEN
];
330 struct softif_neigh_vid
{
331 struct hlist_node list
;
332 struct bat_priv
*bat_priv
;
335 struct softif_neigh __rcu
*softif_neigh
;
337 struct hlist_head softif_neigh_list
;
340 struct softif_neigh
{
341 struct hlist_node list
;
342 uint8_t addr
[ETH_ALEN
];
343 unsigned long last_seen
;
348 struct bat_algo_ops
{
349 struct hlist_node list
;
353 #endif /* _NET_BATMAN_ADV_TYPES_H_ */