1 /*
2 CMTP implementation for Linux Bluetooth stack (BlueZ).
3 Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org>
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 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
10 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
11 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
12 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
13 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
14 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
18 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
19 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
20 SOFTWARE IS DISCLAIMED.
21 */
22
23 #ifndef __CMTP_H
24 #define __CMTP_H
25
26 #include <linux/types.h>
27 #include <net/bluetooth/bluetooth.h>
28
29 #define BTNAMSIZ 18
30
31 /* CMTP ioctl defines */
32 #define CMTPCONNADD _IOW('C', 200, int)
33 #define CMTPCONNDEL _IOW('C', 201, int)
34 #define CMTPGETCONNLIST _IOR('C', 210, int)
35 #define CMTPGETCONNINFO _IOR('C', 211, int)
36
37 #define CMTP_LOOPBACK 0
38
39 struct cmtp_connadd_req {
40 int sock; // Connected socket
41 __u32 flags;
42 };
43
44 struct cmtp_conndel_req {
45 bdaddr_t bdaddr;
46 __u32 flags;
47 };
48
49 struct cmtp_conninfo {
50 bdaddr_t bdaddr;
51 __u32 flags;
52 __u16 state;
53 int num;
54 };
55
56 struct cmtp_connlist_req {
57 __u32 cnum;
58 struct cmtp_conninfo __user *ci;
59 };
60
61 int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock);
62 int cmtp_del_connection(struct cmtp_conndel_req *req);
63 int cmtp_get_connlist(struct cmtp_connlist_req *req);
64 int cmtp_get_conninfo(struct cmtp_conninfo *ci);
65
66 /* CMTP session defines */
67 #define CMTP_INTEROP_TIMEOUT (HZ * 5)
68 #define CMTP_INITIAL_MSGNUM 0xff00
69
70 struct cmtp_session {
71 struct list_head list;
72
73 struct socket *sock;
74
75 bdaddr_t bdaddr;
76
77 unsigned long state;
78 unsigned long flags;
79
80 uint mtu;
81
82 char name[BTNAMSIZ];
83
84 atomic_t terminate;
85
86 wait_queue_head_t wait;
87
88 int ncontroller;
89 int num;
90 struct capi_ctr ctrl;
91
92 struct list_head applications;
93
94 unsigned long blockids;
95 int msgnum;
96
97 struct sk_buff_head transmit;
98
99 struct sk_buff *reassembly[16];
100 };
101
102 struct cmtp_application {
103 struct list_head list;
104
105 unsigned long state;
106 int err;
107
108 __u16 appl;
109 __u16 mapping;
110
111 __u16 msgnum;
112 };
113
114 struct cmtp_scb {
115 int id;
116 int data;
117 };
118
119 int cmtp_attach_device(struct cmtp_session *session);
120 void cmtp_detach_device(struct cmtp_session *session);
121
122 void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb);
123
cmtp_schedule(struct cmtp_session * session)124 static inline void cmtp_schedule(struct cmtp_session *session)
125 {
126 struct sock *sk = session->sock->sk;
127
128 wake_up_interruptible(sk_sleep(sk));
129 }
130
131 /* CMTP init defines */
132 int cmtp_init_sockets(void);
133 void cmtp_cleanup_sockets(void);
134
135 #endif /* __CMTP_H */
136