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
39struct cmtp_connadd_req {
40	int   sock;	// Connected socket
41	__u32 flags;
42};
43
44struct cmtp_conndel_req {
45	bdaddr_t bdaddr;
46	__u32    flags;
47};
48
49struct cmtp_conninfo {
50	bdaddr_t bdaddr;
51	__u32    flags;
52	__u16    state;
53	int      num;
54};
55
56struct cmtp_connlist_req {
57	__u32  cnum;
58	struct cmtp_conninfo __user *ci;
59};
60
61int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock);
62int cmtp_del_connection(struct cmtp_conndel_req *req);
63int cmtp_get_connlist(struct cmtp_connlist_req *req);
64int 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
70struct 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
102struct 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
114struct cmtp_scb {
115	int id;
116	int data;
117};
118
119int  cmtp_attach_device(struct cmtp_session *session);
120void cmtp_detach_device(struct cmtp_session *session);
121
122void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb);
123
124static inline void cmtp_schedule(struct cmtp_session *session)
125{
126	struct sock *sk = session->sock->sk;
127
128	wake_up_interruptible(sk->sk_sleep);
129}
130
131/* CMTP init defines */
132int cmtp_init_sockets(void);
133void cmtp_cleanup_sockets(void);
134
135#endif /* __CMTP_H */
136