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 	struct task_struct *task;
86 
87 	wait_queue_head_t wait;
88 
89 	int ncontroller;
90 	int num;
91 	struct capi_ctr ctrl;
92 
93 	struct list_head applications;
94 
95 	unsigned long blockids;
96 	int msgnum;
97 
98 	struct sk_buff_head transmit;
99 
100 	struct sk_buff *reassembly[16];
101 };
102 
103 struct cmtp_application {
104 	struct list_head list;
105 
106 	unsigned long state;
107 	int err;
108 
109 	__u16 appl;
110 	__u16 mapping;
111 
112 	__u16 msgnum;
113 };
114 
115 struct cmtp_scb {
116 	int id;
117 	int data;
118 };
119 
120 int  cmtp_attach_device(struct cmtp_session *session);
121 void cmtp_detach_device(struct cmtp_session *session);
122 
123 void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb);
124 
125 /* CMTP init defines */
126 int cmtp_init_sockets(void);
127 void cmtp_cleanup_sockets(void);
128 
129 #endif /* __CMTP_H */
130