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TOMOYO Linux Cross Reference
Linux/net/bluetooth/bnep/bnep.h

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  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, see <http://www.gnu.org/licenses/>.
 16 */
 17 
 18 #ifndef _BNEP_H
 19 #define _BNEP_H
 20 
 21 #include <linux/types.h>
 22 #include <linux/crc32.h>
 23 #include <net/bluetooth/bluetooth.h>
 24 
 25 /* Limits */
 26 #define BNEP_MAX_PROTO_FILTERS          5
 27 #define BNEP_MAX_MULTICAST_FILTERS      20
 28 
 29 /* UUIDs */
 30 #define BNEP_BASE_UUID  0x0000000000001000800000805F9B34FB
 31 #define BNEP_UUID16     0x02
 32 #define BNEP_UUID32     0x04
 33 #define BNEP_UUID128    0x16
 34 
 35 #define BNEP_SVC_PANU   0x1115
 36 #define BNEP_SVC_NAP    0x1116
 37 #define BNEP_SVC_GN     0x1117
 38 
 39 /* Packet types */
 40 #define BNEP_GENERAL                    0x00
 41 #define BNEP_CONTROL                    0x01
 42 #define BNEP_COMPRESSED                 0x02
 43 #define BNEP_COMPRESSED_SRC_ONLY        0x03
 44 #define BNEP_COMPRESSED_DST_ONLY        0x04
 45 
 46 /* Control types */
 47 #define BNEP_CMD_NOT_UNDERSTOOD         0x00
 48 #define BNEP_SETUP_CONN_REQ             0x01
 49 #define BNEP_SETUP_CONN_RSP             0x02
 50 #define BNEP_FILTER_NET_TYPE_SET        0x03
 51 #define BNEP_FILTER_NET_TYPE_RSP        0x04
 52 #define BNEP_FILTER_MULTI_ADDR_SET      0x05
 53 #define BNEP_FILTER_MULTI_ADDR_RSP      0x06
 54 
 55 /* Extension types */
 56 #define BNEP_EXT_CONTROL 0x00
 57 
 58 /* Response messages */
 59 #define BNEP_SUCCESS 0x00
 60 
 61 #define BNEP_CONN_INVALID_DST 0x01
 62 #define BNEP_CONN_INVALID_SRC 0x02
 63 #define BNEP_CONN_INVALID_SVC 0x03
 64 #define BNEP_CONN_NOT_ALLOWED 0x04
 65 
 66 #define BNEP_FILTER_UNSUPPORTED_REQ     0x01
 67 #define BNEP_FILTER_INVALID_RANGE       0x02
 68 #define BNEP_FILTER_INVALID_MCADDR      0x02
 69 #define BNEP_FILTER_LIMIT_REACHED       0x03
 70 #define BNEP_FILTER_DENIED_SECURITY     0x04
 71 
 72 /* L2CAP settings */
 73 #define BNEP_MTU        1691
 74 #define BNEP_PSM        0x0f
 75 #define BNEP_FLUSH_TO   0xffff
 76 #define BNEP_CONNECT_TO 15
 77 #define BNEP_FILTER_TO  15
 78 
 79 /* Headers */
 80 #define BNEP_TYPE_MASK  0x7f
 81 #define BNEP_EXT_HEADER 0x80
 82 
 83 struct bnep_setup_conn_req {
 84         __u8 type;
 85         __u8 ctrl;
 86         __u8 uuid_size;
 87         __u8 service[0];
 88 } __packed;
 89 
 90 struct bnep_set_filter_req {
 91         __u8 type;
 92         __u8 ctrl;
 93         __be16 len;
 94         __u8 list[0];
 95 } __packed;
 96 
 97 struct bnep_control_rsp {
 98         __u8 type;
 99         __u8 ctrl;
100         __be16 resp;
101 } __packed;
102 
103 struct bnep_ext_hdr {
104         __u8 type;
105         __u8 len;
106         __u8 data[0];
107 } __packed;
108 
109 /* BNEP ioctl defines */
110 #define BNEPCONNADD     _IOW('B', 200, int)
111 #define BNEPCONNDEL     _IOW('B', 201, int)
112 #define BNEPGETCONNLIST _IOR('B', 210, int)
113 #define BNEPGETCONNINFO _IOR('B', 211, int)
114 #define BNEPGETSUPPFEAT _IOR('B', 212, int)
115 
116 #define BNEP_SETUP_RESPONSE     0
117 #define BNEP_SETUP_RSP_SENT     10
118 
119 struct bnep_connadd_req {
120         int   sock;             /* Connected socket */
121         __u32 flags;
122         __u16 role;
123         char  device[16];       /* Name of the Ethernet device */
124 };
125 
126 struct bnep_conndel_req {
127         __u32 flags;
128         __u8  dst[ETH_ALEN];
129 };
130 
131 struct bnep_conninfo {
132         __u32 flags;
133         __u16 role;
134         __u16 state;
135         __u8  dst[ETH_ALEN];
136         char  device[16];
137 };
138 
139 struct bnep_connlist_req {
140         __u32  cnum;
141         struct bnep_conninfo __user *ci;
142 };
143 
144 struct bnep_proto_filter {
145         __u16 start;
146         __u16 end;
147 };
148 
149 int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock);
150 int bnep_del_connection(struct bnep_conndel_req *req);
151 int bnep_get_connlist(struct bnep_connlist_req *req);
152 int bnep_get_conninfo(struct bnep_conninfo *ci);
153 
154 /* BNEP sessions */
155 struct bnep_session {
156         struct list_head list;
157 
158         unsigned int  role;
159         unsigned long state;
160         unsigned long flags;
161         atomic_t      terminate;
162         struct task_struct *task;
163 
164         struct ethhdr eh;
165         struct msghdr msg;
166 
167         struct bnep_proto_filter proto_filter[BNEP_MAX_PROTO_FILTERS];
168         unsigned long long mc_filter;
169 
170         struct socket    *sock;
171         struct net_device *dev;
172 };
173 
174 void bnep_net_setup(struct net_device *dev);
175 int bnep_sock_init(void);
176 void bnep_sock_cleanup(void);
177 
178 static inline int bnep_mc_hash(__u8 *addr)
179 {
180         return crc32_be(~0, addr, ETH_ALEN) >> 26;
181 }
182 
183 #endif
184 

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