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bnep.h
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1 /*
2  BNEP protocol definition for Linux Bluetooth stack (BlueZ).
3  Copyright (C) 2002 Maxim Krasnyansky <[email protected]>
4 
5  This program is free software; you can redistribute it and/or modify
6  it under the terms of the GNU General Public License, version 2, as
7  published by the Free Software Foundation.
8 
9  This program is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  GNU General Public License for more details.
13 
14  You should have received a copy of the GNU General Public License
15  along with this program; if not, write to the Free Software
16  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18 
19 #ifndef _BNEP_H
20 #define _BNEP_H
21 
22 #include <linux/types.h>
23 #include <linux/crc32.h>
25 
26 /* Limits */
27 #define BNEP_MAX_PROTO_FILTERS 5
28 #define BNEP_MAX_MULTICAST_FILTERS 20
29 
30 /* UUIDs */
31 #define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB
32 #define BNEP_UUID16 0x02
33 #define BNEP_UUID32 0x04
34 #define BNEP_UUID128 0x16
35 
36 #define BNEP_SVC_PANU 0x1115
37 #define BNEP_SVC_NAP 0x1116
38 #define BNEP_SVC_GN 0x1117
39 
40 /* Packet types */
41 #define BNEP_GENERAL 0x00
42 #define BNEP_CONTROL 0x01
43 #define BNEP_COMPRESSED 0x02
44 #define BNEP_COMPRESSED_SRC_ONLY 0x03
45 #define BNEP_COMPRESSED_DST_ONLY 0x04
46 
47 /* Control types */
48 #define BNEP_CMD_NOT_UNDERSTOOD 0x00
49 #define BNEP_SETUP_CONN_REQ 0x01
50 #define BNEP_SETUP_CONN_RSP 0x02
51 #define BNEP_FILTER_NET_TYPE_SET 0x03
52 #define BNEP_FILTER_NET_TYPE_RSP 0x04
53 #define BNEP_FILTER_MULTI_ADDR_SET 0x05
54 #define BNEP_FILTER_MULTI_ADDR_RSP 0x06
55 
56 /* Extension types */
57 #define BNEP_EXT_CONTROL 0x00
58 
59 /* Response messages */
60 #define BNEP_SUCCESS 0x00
61 
62 #define BNEP_CONN_INVALID_DST 0x01
63 #define BNEP_CONN_INVALID_SRC 0x02
64 #define BNEP_CONN_INVALID_SVC 0x03
65 #define BNEP_CONN_NOT_ALLOWED 0x04
66 
67 #define BNEP_FILTER_UNSUPPORTED_REQ 0x01
68 #define BNEP_FILTER_INVALID_RANGE 0x02
69 #define BNEP_FILTER_INVALID_MCADDR 0x02
70 #define BNEP_FILTER_LIMIT_REACHED 0x03
71 #define BNEP_FILTER_DENIED_SECURITY 0x04
72 
73 /* L2CAP settings */
74 #define BNEP_MTU 1691
75 #define BNEP_PSM 0x0f
76 #define BNEP_FLUSH_TO 0xffff
77 #define BNEP_CONNECT_TO 15
78 #define BNEP_FILTER_TO 15
79 
80 /* Headers */
81 #define BNEP_TYPE_MASK 0x7f
82 #define BNEP_EXT_HEADER 0x80
83 
89 } __packed;
90 
95  __u8 list[0];
96 } __packed;
97 
102 } __packed;
103 
104 struct bnep_ext_hdr {
107  __u8 data[0];
108 } __packed;
109 
110 /* BNEP ioctl defines */
111 #define BNEPCONNADD _IOW('B', 200, int)
112 #define BNEPCONNDEL _IOW('B', 201, int)
113 #define BNEPGETCONNLIST _IOR('B', 210, int)
114 #define BNEPGETCONNINFO _IOR('B', 211, int)
115 
117  int sock; /* Connected socket */
120  char device[16]; /* Name of the Ethernet device */
121 };
122 
126 };
127 
133  char device[16];
134 };
135 
139 };
140 
144 };
145 
146 int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock);
149 int bnep_get_conninfo(struct bnep_conninfo *ci);
150 
151 /* BNEP sessions */
152 struct bnep_session {
153  struct list_head list;
154 
155  unsigned int role;
156  unsigned long state;
157  unsigned long flags;
159  struct task_struct *task;
160 
161  struct ethhdr eh;
162  struct msghdr msg;
163 
165  unsigned long long mc_filter;
166 
167  struct socket *sock;
168  struct net_device *dev;
169 };
170 
171 void bnep_net_setup(struct net_device *dev);
172 int bnep_sock_init(void);
173 void bnep_sock_cleanup(void);
174 
175 static inline int bnep_mc_hash(__u8 *addr)
176 {
177  return crc32_be(~0, addr, ETH_ALEN) >> 26;
178 }
179 
180 #endif