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 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 * @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 aggregated_ogms; /* boolean */
117 atomic_t bonding; /* boolean */
118 atomic_t fragmentation; /* boolean */
119 atomic_t vis_mode; /* VIS_TYPE_* */
120 atomic_t orig_interval; /* uint */
121 atomic_t log_level; /* uint */
122 atomic_t bcast_seqno;
123 atomic_t bcast_queue_left;
124 atomic_t batman_queue_left;
126 struct hlist_head softif_neigh_list;
127 struct softif_neigh *softif_neigh;
128 struct debug_log *debug_log;
129 struct batman_if *primary_if;
130 struct kobject *mesh_obj;
131 struct dentry *debug_dir;
132 struct hlist_head forw_bat_list;
133 struct hlist_head forw_bcast_list;
134 struct list_head vis_send_list;
135 struct hashtable_t *orig_hash;
136 struct hashtable_t *hna_local_hash;
137 struct hashtable_t *hna_global_hash;
138 struct hashtable_t *vis_hash;
139 spinlock_t orig_hash_lock; /* protects orig_hash */
140 spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
141 spinlock_t forw_bcast_list_lock; /* protects */
142 spinlock_t hna_lhash_lock; /* protects hna_local_hash */
143 spinlock_t hna_ghash_lock; /* protects hna_global_hash */
144 spinlock_t vis_hash_lock; /* protects vis_hash */
145 spinlock_t vis_list_lock; /* protects vis_info::recv_list */
146 spinlock_t softif_neigh_lock; /* protects soft-interface neigh list */
147 int16_t num_local_hna;
148 atomic_t hna_local_changed;
149 struct delayed_work hna_work;
150 struct delayed_work orig_work;
151 struct delayed_work vis_work;
152 struct vis_info *my_vis_info;
155 struct socket_client {
156 struct list_head queue_list;
157 unsigned int queue_len;
159 spinlock_t lock; /* protects queue_list, queue_len, index */
160 wait_queue_head_t queue_wait;
161 struct bat_priv *bat_priv;
164 struct socket_packet {
165 struct list_head list;
167 struct icmp_packet_rr icmp_packet;
170 struct hna_local_entry {
171 uint8_t addr[ETH_ALEN];
172 unsigned long last_seen;
176 struct hna_global_entry {
177 uint8_t addr[ETH_ALEN];
178 struct orig_node *orig_node;
182 * forw_packet - structure for forw_list maintaining packets to be
186 struct hlist_node list;
187 unsigned long send_time;
191 uint32_t direct_link_flags;
193 struct delayed_work delayed_work;
194 struct batman_if *if_incoming;
197 /* While scanning for vis-entries of a particular vis-originator
198 * this list collects its interfaces to create a subgraph/cluster
201 struct if_list_entry {
202 uint8_t addr[ETH_ALEN];
204 struct hlist_node list;
208 char log_buff[LOG_BUF_LEN];
209 unsigned long log_start;
210 unsigned long log_end;
211 spinlock_t lock; /* protects log_buff, log_start and log_end */
212 wait_queue_head_t queue_wait;
215 struct frag_packet_list_entry {
216 struct list_head list;
222 unsigned long first_seen;
223 struct list_head recv_list;
224 /* list of server-neighbors we received a vis-packet
225 * from. we should not reply to them. */
226 struct list_head send_list;
227 struct kref refcount;
228 struct bat_priv *bat_priv;
229 /* this packet might be part of the vis send queue. */
230 struct sk_buff *skb_packet;
231 /* vis_info may follow here*/
232 } __attribute__((packed));
234 struct vis_info_entry {
235 uint8_t src[ETH_ALEN];
236 uint8_t dest[ETH_ALEN];
237 uint8_t quality; /* quality = 0 means HNA */
238 } __attribute__((packed));
240 struct recvlist_node {
241 struct list_head list;
242 uint8_t mac[ETH_ALEN];
245 struct softif_neigh {
246 struct hlist_node list;
247 uint8_t addr[ETH_ALEN];
248 unsigned long last_seen;
250 struct kref refcount;
254 #endif /* _NET_BATMAN_ADV_TYPES_H_ */