net/bluetooth/cmtp/cmtp.h

   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
 124 static 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 */
 132 int cmtp_init_sockets(void);
 133 void cmtp_cleanup_sockets(void);
 134
 135 #endif /* __CMTP_H */