Merge branch 'x86-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / drivers / staging / batman-adv / vis.h
1 /*
2  * Copyright (C) 2008-2009 B.A.T.M.A.N. contributors:
3  *
4  * Simon Wunderlich, Marek Lindner
5  *
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.
9  *
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.
14  *
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
18  * 02110-1301, USA
19  *
20  */
21
22 #define VIS_TIMEOUT             200000
23 #define VIS_FORMAT_DD_NAME      "dot_draw"
24 #define VIS_FORMAT_JSON_NAME    "json"
25
26 struct vis_info {
27         unsigned long       first_seen;
28         struct list_head    recv_list;
29                             /* list of server-neighbors we received a vis-packet
30                              * from.  we should not reply to them. */
31         struct list_head send_list;
32         /* this packet might be part of the vis send queue. */
33         struct vis_packet packet;
34         /* vis_info may follow here*/
35 } __attribute__((packed));
36
37 struct vis_info_entry {
38         uint8_t  src[ETH_ALEN];
39         uint8_t  dest[ETH_ALEN];
40         uint8_t  quality;       /* quality = 0 means HNA */
41 } __attribute__((packed));
42
43 struct recvlist_node {
44         struct list_head list;
45         uint8_t mac[ETH_ALEN];
46 };
47
48 extern struct hashtable_t *vis_hash;
49 extern spinlock_t vis_hash_lock;
50
51 void proc_vis_read_entry(struct seq_file *seq,
52                                 struct vis_info_entry *entry,
53                                 struct hlist_head *if_list,
54                                 uint8_t *vis_orig);
55 void proc_vis_read_prim_sec(struct seq_file *seq,
56                             struct hlist_head *if_list);
57 void receive_server_sync_packet(struct vis_packet *vis_packet,
58                                 int vis_info_len);
59 void receive_client_update_packet(struct vis_packet *vis_packet,
60                                   int vis_info_len);
61 int vis_init(void);
62 void vis_quit(void);