Staging: batman-adv: don't have interrupts disabled while sending.
[firefly-linux-kernel-4.4.55.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         struct kref refcount;
33         /* this packet might be part of the vis send queue. */
34         struct vis_packet packet;
35         /* vis_info may follow here*/
36 } __attribute__((packed));
37
38 struct vis_info_entry {
39         uint8_t  src[ETH_ALEN];
40         uint8_t  dest[ETH_ALEN];
41         uint8_t  quality;       /* quality = 0 means HNA */
42 } __attribute__((packed));
43
44 struct recvlist_node {
45         struct list_head list;
46         uint8_t mac[ETH_ALEN];
47 };
48
49 extern struct hashtable_t *vis_hash;
50 extern spinlock_t vis_hash_lock;
51
52 void proc_vis_read_entry(struct seq_file *seq,
53                                 struct vis_info_entry *entry,
54                                 struct hlist_head *if_list,
55                                 uint8_t *vis_orig);
56 void proc_vis_read_prim_sec(struct seq_file *seq,
57                             struct hlist_head *if_list);
58 void receive_server_sync_packet(struct vis_packet *vis_packet,
59                                 int vis_info_len);
60 void receive_client_update_packet(struct vis_packet *vis_packet,
61                                   int vis_info_len);
62 int vis_init(void);
63 void vis_quit(void);