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 squence 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 *router;
71 unsigned long *bcast_own;
72 uint8_t *bcast_own_sum;
75 unsigned long last_valid;
76 unsigned long bcast_seqno_reset;
77 unsigned long batman_seqno_reset;
80 unsigned char *hna_buff;
82 uint32_t last_real_seqno;
84 unsigned long bcast_bits[NUM_WORDS];
85 uint32_t last_bcast_seqno;
86 struct hlist_head neigh_list;
87 struct list_head frag_list;
88 spinlock_t neigh_list_lock; /* protects neighbor list */
90 struct bat_priv *bat_priv;
91 unsigned long last_frag_packet;
92 spinlock_t ogm_cnt_lock; /* protects ogm counter */
95 struct neigh_node *selected;
100 struct hlist_node list;
101 struct orig_node *orig_node;
102 unsigned long deleted;
103 struct kref refcount;
109 * @last_valid: when last packet via this neighbor was received
112 struct hlist_node list;
113 uint8_t addr[ETH_ALEN];
114 uint8_t real_packet_count;
115 uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE];
119 struct neigh_node *next_bond_candidate;
120 unsigned long last_valid;
121 unsigned long real_bits[NUM_WORDS];
122 struct kref refcount;
124 struct orig_node *orig_node;
125 struct batman_if *if_incoming;
131 struct net_device_stats stats;
132 atomic_t aggregated_ogms; /* boolean */
133 atomic_t bonding; /* boolean */
134 atomic_t fragmentation; /* boolean */
135 atomic_t vis_mode; /* VIS_TYPE_* */
136 atomic_t gw_mode; /* GW_MODE_* */
137 atomic_t gw_sel_class; /* uint */
138 atomic_t gw_bandwidth; /* gw bandwidth */
139 atomic_t orig_interval; /* uint */
140 atomic_t hop_penalty; /* uint */
141 atomic_t log_level; /* uint */
142 atomic_t bcast_seqno;
143 atomic_t bcast_queue_left;
144 atomic_t batman_queue_left;
146 struct hlist_head softif_neigh_list;
147 struct softif_neigh *softif_neigh;
148 struct debug_log *debug_log;
149 struct batman_if *primary_if;
150 struct kobject *mesh_obj;
151 struct dentry *debug_dir;
152 struct hlist_head forw_bat_list;
153 struct hlist_head forw_bcast_list;
154 struct hlist_head gw_list;
155 struct list_head vis_send_list;
156 struct hashtable_t *orig_hash;
157 struct hashtable_t *hna_local_hash;
158 struct hashtable_t *hna_global_hash;
159 struct hashtable_t *vis_hash;
160 spinlock_t orig_hash_lock; /* protects orig_hash */
161 spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
162 spinlock_t forw_bcast_list_lock; /* protects */
163 spinlock_t hna_lhash_lock; /* protects hna_local_hash */
164 spinlock_t hna_ghash_lock; /* protects hna_global_hash */
165 spinlock_t gw_list_lock; /* protects gw_list */
166 spinlock_t vis_hash_lock; /* protects vis_hash */
167 spinlock_t vis_list_lock; /* protects vis_info::recv_list */
168 spinlock_t softif_neigh_lock; /* protects soft-interface neigh list */
169 int16_t num_local_hna;
170 atomic_t hna_local_changed;
171 struct delayed_work hna_work;
172 struct delayed_work orig_work;
173 struct delayed_work vis_work;
174 struct gw_node *curr_gw;
175 struct vis_info *my_vis_info;
178 struct socket_client {
179 struct list_head queue_list;
180 unsigned int queue_len;
182 spinlock_t lock; /* protects queue_list, queue_len, index */
183 wait_queue_head_t queue_wait;
184 struct bat_priv *bat_priv;
187 struct socket_packet {
188 struct list_head list;
190 struct icmp_packet_rr icmp_packet;
193 struct hna_local_entry {
194 uint8_t addr[ETH_ALEN];
195 unsigned long last_seen;
199 struct hna_global_entry {
200 uint8_t addr[ETH_ALEN];
201 struct orig_node *orig_node;
205 * forw_packet - structure for forw_list maintaining packets to be
209 struct hlist_node list;
210 unsigned long send_time;
214 uint32_t direct_link_flags;
216 struct delayed_work delayed_work;
217 struct batman_if *if_incoming;
220 /* While scanning for vis-entries of a particular vis-originator
221 * this list collects its interfaces to create a subgraph/cluster
224 struct if_list_entry {
225 uint8_t addr[ETH_ALEN];
227 struct hlist_node list;
231 char log_buff[LOG_BUF_LEN];
232 unsigned long log_start;
233 unsigned long log_end;
234 spinlock_t lock; /* protects log_buff, log_start and log_end */
235 wait_queue_head_t queue_wait;
238 struct frag_packet_list_entry {
239 struct list_head list;
245 unsigned long first_seen;
246 struct list_head recv_list;
247 /* list of server-neighbors we received a vis-packet
248 * from. we should not reply to them. */
249 struct list_head send_list;
250 struct kref refcount;
251 struct bat_priv *bat_priv;
252 /* this packet might be part of the vis send queue. */
253 struct sk_buff *skb_packet;
254 /* vis_info may follow here*/
257 struct vis_info_entry {
258 uint8_t src[ETH_ALEN];
259 uint8_t dest[ETH_ALEN];
260 uint8_t quality; /* quality = 0 means HNA */
263 struct recvlist_node {
264 struct list_head list;
265 uint8_t mac[ETH_ALEN];
268 struct softif_neigh {
269 struct hlist_node list;
270 uint8_t addr[ETH_ALEN];
271 unsigned long last_seen;
273 struct kref refcount;
277 #endif /* _NET_BATMAN_ADV_TYPES_H_ */