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;
41 char addr_str[ETH_STR_LEN];
42 struct net_device *net_dev;
45 unsigned char *packet_buff;
47 struct kobject *hardif_obj;
49 struct packet_type batman_adv_ptype;
50 struct net_device *soft_iface;
54 * orig_node - structure for orig_list maintaining nodes of mesh
55 * @primary_addr: hosts primary interface address
56 * @last_valid: when last packet from this node was received
57 * @bcast_seqno_reset: time when the broadcast seqno window was reset
58 * @batman_seqno_reset: time when the batman seqno window was reset
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 TYPE_OF_WORD *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;
79 unsigned char *hna_buff;
81 uint32_t last_real_seqno;
83 TYPE_OF_WORD bcast_bits[NUM_WORDS];
84 uint32_t last_bcast_seqno;
85 struct list_head neigh_list;
86 struct list_head frag_list;
87 unsigned long last_frag_packet;
90 struct neigh_node *selected;
96 * @last_valid: when last packet via this neighbor was received
99 struct list_head list;
100 uint8_t addr[ETH_ALEN];
101 uint8_t real_packet_count;
102 uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE];
106 struct neigh_node *next_bond_candidate;
107 unsigned long last_valid;
108 TYPE_OF_WORD real_bits[NUM_WORDS];
109 struct orig_node *orig_node;
110 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 hlist_head gw_list;
133 struct list_head vis_send_list;
134 struct hashtable_t *orig_hash;
135 struct hashtable_t *hna_local_hash;
136 struct hashtable_t *hna_global_hash;
137 struct hashtable_t *vis_hash;
138 spinlock_t orig_hash_lock;
139 spinlock_t forw_bat_list_lock;
140 spinlock_t forw_bcast_list_lock;
141 spinlock_t hna_lhash_lock;
142 spinlock_t hna_ghash_lock;
143 spinlock_t gw_list_lock;
144 spinlock_t vis_hash_lock;
145 spinlock_t vis_list_lock;
146 int16_t num_local_hna;
147 atomic_t hna_local_changed;
148 struct delayed_work hna_work;
149 struct delayed_work orig_work;
150 struct delayed_work vis_work;
151 struct gw_node *curr_gw;
152 struct vis_info *my_vis_info;
155 struct socket_client {
156 struct list_head queue_list;
157 unsigned int queue_len;
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;
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 #endif /* _NET_BATMAN_ADV_TYPES_H_ */