2 * Copyright (C) 2007-2010 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 char addr_str[ETH_STR_LEN];
41 struct net_device *net_dev;
44 unsigned char *packet_buff;
46 struct kobject *hardif_obj;
48 struct packet_type batman_adv_ptype;
49 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 * @flags: for now only VIS_SERVER flag
59 * @last_real_seqno: last and best known squence number
60 * @last_ttl: ttl of last received packet
61 * @last_bcast_seqno: last broadcast sequence number received by this host
63 * @candidates: how many candidates are available
64 * @selected: next bonding candidate
67 uint8_t orig[ETH_ALEN];
68 uint8_t primary_addr[ETH_ALEN];
69 struct neigh_node *router;
70 TYPE_OF_WORD *bcast_own;
71 uint8_t *bcast_own_sum;
74 unsigned long last_valid;
75 unsigned long bcast_seqno_reset;
76 unsigned long batman_seqno_reset;
78 unsigned char *hna_buff;
80 uint32_t last_real_seqno;
82 TYPE_OF_WORD bcast_bits[NUM_WORDS];
83 uint32_t last_bcast_seqno;
84 struct list_head neigh_list;
85 struct list_head frag_list;
86 unsigned long last_frag_packet;
89 struct neigh_node *selected;
95 * @last_valid: when last packet via this neighbor was received
98 struct list_head list;
99 uint8_t addr[ETH_ALEN];
100 uint8_t real_packet_count;
101 uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE];
105 struct neigh_node *next_bond_candidate;
106 unsigned long last_valid;
107 TYPE_OF_WORD real_bits[NUM_WORDS];
108 struct orig_node *orig_node;
109 struct batman_if *if_incoming;
115 struct net_device_stats stats;
116 atomic_t aggregation_enabled;
117 atomic_t bonding_enabled;
118 atomic_t frag_enabled;
120 atomic_t orig_interval;
122 atomic_t bcast_seqno;
123 atomic_t bcast_queue_left;
124 atomic_t batman_queue_left;
126 struct debug_log *debug_log;
127 struct batman_if *primary_if;
128 struct kobject *mesh_obj;
129 struct dentry *debug_dir;
130 struct hlist_head forw_bat_list;
131 struct hlist_head forw_bcast_list;
132 struct list_head vis_send_list;
133 struct hashtable_t *orig_hash;
134 struct hashtable_t *hna_local_hash;
135 struct hashtable_t *hna_global_hash;
136 struct hashtable_t *vis_hash;
137 spinlock_t orig_hash_lock; /* protects orig_hash */
138 spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
139 spinlock_t forw_bcast_list_lock; /* protects */
140 spinlock_t hna_lhash_lock; /* protects hna_local_hash */
141 spinlock_t hna_ghash_lock; /* protects hna_global_hash */
142 spinlock_t vis_hash_lock; /* protects vis_hash */
143 spinlock_t vis_list_lock; /* protects vis_info::recv_list */
144 int16_t num_local_hna;
145 atomic_t hna_local_changed;
146 struct delayed_work hna_work;
147 struct delayed_work orig_work;
148 struct delayed_work vis_work;
149 struct vis_info *my_vis_info;
152 struct socket_client {
153 struct list_head queue_list;
154 unsigned int queue_len;
156 spinlock_t lock; /* protects queue_list, queue_len, index */
157 wait_queue_head_t queue_wait;
158 struct bat_priv *bat_priv;
161 struct socket_packet {
162 struct list_head list;
164 struct icmp_packet_rr icmp_packet;
167 struct hna_local_entry {
168 uint8_t addr[ETH_ALEN];
169 unsigned long last_seen;
173 struct hna_global_entry {
174 uint8_t addr[ETH_ALEN];
175 struct orig_node *orig_node;
179 * forw_packet - structure for forw_list maintaining packets to be
183 struct hlist_node list;
184 unsigned long send_time;
188 uint32_t direct_link_flags;
190 struct delayed_work delayed_work;
191 struct batman_if *if_incoming;
194 /* While scanning for vis-entries of a particular vis-originator
195 * this list collects its interfaces to create a subgraph/cluster
198 struct if_list_entry {
199 uint8_t addr[ETH_ALEN];
201 struct hlist_node list;
205 char log_buff[LOG_BUF_LEN];
206 unsigned long log_start;
207 unsigned long log_end;
208 spinlock_t lock; /* protects log_buff, log_start and log_end */
209 wait_queue_head_t queue_wait;
212 struct frag_packet_list_entry {
213 struct list_head list;
219 unsigned long first_seen;
220 struct list_head recv_list;
221 /* list of server-neighbors we received a vis-packet
222 * from. we should not reply to them. */
223 struct list_head send_list;
224 struct kref refcount;
225 struct bat_priv *bat_priv;
226 /* this packet might be part of the vis send queue. */
227 struct sk_buff *skb_packet;
228 /* vis_info may follow here*/
229 } __attribute__((packed));
231 struct vis_info_entry {
232 uint8_t src[ETH_ALEN];
233 uint8_t dest[ETH_ALEN];
234 uint8_t quality; /* quality = 0 means HNA */
235 } __attribute__((packed));
237 struct recvlist_node {
238 struct list_head list;
239 uint8_t mac[ETH_ALEN];
242 #endif /* _NET_BATMAN_ADV_TYPES_H_ */