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1da177e4 LT |
1 | /* |
2 | BNEP protocol definition for Linux Bluetooth stack (BlueZ). | |
3 | Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com> | |
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 | /* | |
20 | * $Id: bnep.h,v 1.5 2002/08/04 21:23:58 maxk Exp $ | |
21 | */ | |
22 | ||
23 | #ifndef _BNEP_H | |
24 | #define _BNEP_H | |
25 | ||
26 | #include <linux/types.h> | |
27 | #include <linux/crc32.h> | |
28 | #include <net/bluetooth/bluetooth.h> | |
29 | ||
30 | // Limits | |
31 | #define BNEP_MAX_PROTO_FILTERS 5 | |
32 | #define BNEP_MAX_MULTICAST_FILTERS 20 | |
33 | ||
34 | // UUIDs | |
35 | #define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB | |
36 | #define BNEP_UUID16 0x02 | |
37 | #define BNEP_UUID32 0x04 | |
38 | #define BNEP_UUID128 0x16 | |
39 | ||
40 | #define BNEP_SVC_PANU 0x1115 | |
41 | #define BNEP_SVC_NAP 0x1116 | |
42 | #define BNEP_SVC_GN 0x1117 | |
43 | ||
44 | // Packet types | |
45 | #define BNEP_GENERAL 0x00 | |
46 | #define BNEP_CONTROL 0x01 | |
47 | #define BNEP_COMPRESSED 0x02 | |
48 | #define BNEP_COMPRESSED_SRC_ONLY 0x03 | |
49 | #define BNEP_COMPRESSED_DST_ONLY 0x04 | |
50 | ||
51 | // Control types | |
52 | #define BNEP_CMD_NOT_UNDERSTOOD 0x00 | |
53 | #define BNEP_SETUP_CONN_REQ 0x01 | |
54 | #define BNEP_SETUP_CONN_RSP 0x02 | |
55 | #define BNEP_FILTER_NET_TYPE_SET 0x03 | |
56 | #define BNEP_FILTER_NET_TYPE_RSP 0x04 | |
57 | #define BNEP_FILTER_MULTI_ADDR_SET 0x05 | |
58 | #define BNEP_FILTER_MULTI_ADDR_RSP 0x06 | |
59 | ||
60 | // Extension types | |
61 | #define BNEP_EXT_CONTROL 0x00 | |
62 | ||
63 | // Response messages | |
64 | #define BNEP_SUCCESS 0x00 | |
65 | ||
66 | #define BNEP_CONN_INVALID_DST 0x01 | |
67 | #define BNEP_CONN_INVALID_SRC 0x02 | |
68 | #define BNEP_CONN_INVALID_SVC 0x03 | |
69 | #define BNEP_CONN_NOT_ALLOWED 0x04 | |
70 | ||
71 | #define BNEP_FILTER_UNSUPPORTED_REQ 0x01 | |
72 | #define BNEP_FILTER_INVALID_RANGE 0x02 | |
73 | #define BNEP_FILTER_INVALID_MCADDR 0x02 | |
74 | #define BNEP_FILTER_LIMIT_REACHED 0x03 | |
75 | #define BNEP_FILTER_DENIED_SECURITY 0x04 | |
76 | ||
77 | // L2CAP settings | |
78 | #define BNEP_MTU 1691 | |
79 | #define BNEP_PSM 0x0f | |
80 | #define BNEP_FLUSH_TO 0xffff | |
81 | #define BNEP_CONNECT_TO 15 | |
82 | #define BNEP_FILTER_TO 15 | |
83 | ||
84 | // Headers | |
85 | #define BNEP_TYPE_MASK 0x7f | |
86 | #define BNEP_EXT_HEADER 0x80 | |
87 | ||
88 | struct bnep_setup_conn_req { | |
89 | __u8 type; | |
90 | __u8 ctrl; | |
91 | __u8 uuid_size; | |
92 | __u8 service[0]; | |
93 | } __attribute__((packed)); | |
94 | ||
95 | struct bnep_set_filter_req { | |
96 | __u8 type; | |
97 | __u8 ctrl; | |
1bc5d448 | 98 | __be16 len; |
1da177e4 LT |
99 | __u8 list[0]; |
100 | } __attribute__((packed)); | |
101 | ||
102 | struct bnep_control_rsp { | |
103 | __u8 type; | |
104 | __u8 ctrl; | |
1bc5d448 | 105 | __be16 resp; |
1da177e4 LT |
106 | } __attribute__((packed)); |
107 | ||
108 | struct bnep_ext_hdr { | |
109 | __u8 type; | |
110 | __u8 len; | |
111 | __u8 data[0]; | |
112 | } __attribute__((packed)); | |
113 | ||
114 | /* BNEP ioctl defines */ | |
115 | #define BNEPCONNADD _IOW('B', 200, int) | |
116 | #define BNEPCONNDEL _IOW('B', 201, int) | |
117 | #define BNEPGETCONNLIST _IOR('B', 210, int) | |
118 | #define BNEPGETCONNINFO _IOR('B', 211, int) | |
119 | ||
120 | struct bnep_connadd_req { | |
121 | int sock; // Connected socket | |
122 | __u32 flags; | |
123 | __u16 role; | |
124 | char device[16]; // Name of the Ethernet device | |
125 | }; | |
126 | ||
127 | struct bnep_conndel_req { | |
128 | __u32 flags; | |
129 | __u8 dst[ETH_ALEN]; | |
130 | }; | |
131 | ||
132 | struct bnep_conninfo { | |
133 | __u32 flags; | |
134 | __u16 role; | |
135 | __u16 state; | |
136 | __u8 dst[ETH_ALEN]; | |
137 | char device[16]; | |
138 | }; | |
139 | ||
140 | struct bnep_connlist_req { | |
141 | __u32 cnum; | |
142 | struct bnep_conninfo __user *ci; | |
143 | }; | |
144 | ||
145 | struct bnep_proto_filter { | |
146 | __u16 start; | |
147 | __u16 end; | |
148 | }; | |
149 | ||
150 | int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock); | |
151 | int bnep_del_connection(struct bnep_conndel_req *req); | |
152 | int bnep_get_connlist(struct bnep_connlist_req *req); | |
153 | int bnep_get_conninfo(struct bnep_conninfo *ci); | |
154 | ||
155 | // BNEP sessions | |
156 | struct bnep_session { | |
157 | struct list_head list; | |
158 | ||
159 | unsigned int role; | |
160 | unsigned long state; | |
161 | unsigned long flags; | |
162 | atomic_t killed; | |
163 | ||
164 | struct ethhdr eh; | |
165 | struct msghdr msg; | |
166 | ||
167 | struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS]; | |
168 | u64 mc_filter; | |
169 | ||
170 | struct socket *sock; | |
171 | struct net_device *dev; | |
172 | struct net_device_stats stats; | |
173 | }; | |
174 | ||
175 | void bnep_net_setup(struct net_device *dev); | |
176 | int bnep_sock_init(void); | |
177 | int bnep_sock_cleanup(void); | |
178 | ||
179 | static inline int bnep_mc_hash(__u8 *addr) | |
180 | { | |
181 | return (crc32_be(~0, addr, ETH_ALEN) >> 26); | |
182 | } | |
183 | ||
184 | #endif |