Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh...
[pandora-kernel.git] / drivers / staging / batman-adv / vis.h
1 /*
2  * Copyright (C) 2008-2010 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
24 struct vis_info {
25         unsigned long       first_seen;
26         struct list_head    recv_list;
27                             /* list of server-neighbors we received a vis-packet
28                              * from.  we should not reply to them. */
29         struct list_head send_list;
30         struct kref refcount;
31         /* this packet might be part of the vis send queue. */
32         struct vis_packet packet;
33         /* vis_info may follow here*/
34 } __attribute__((packed));
35
36 struct vis_info_entry {
37         uint8_t  src[ETH_ALEN];
38         uint8_t  dest[ETH_ALEN];
39         uint8_t  quality;       /* quality = 0 means HNA */
40 } __attribute__((packed));
41
42 struct recvlist_node {
43         struct list_head list;
44         uint8_t mac[ETH_ALEN];
45 };
46
47 extern struct hashtable_t *vis_hash;
48 extern spinlock_t vis_hash_lock;
49
50 ssize_t vis_fill_buffer_text(struct net_device *net_dev, char *buff,
51                               size_t count, loff_t off);
52 void receive_server_sync_packet(struct bat_priv *bat_priv,
53                                 struct vis_packet *vis_packet,
54                                 int vis_info_len);
55 void receive_client_update_packet(struct bat_priv *bat_priv,
56                                   struct vis_packet *vis_packet,
57                                   int vis_info_len);
58 int vis_init(void);
59 void vis_quit(void);