ng_btsocket_l2cap.h revision 151888
1/*
2 * ng_btsocket_l2cap.h
3 */
4
5/*-
6 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $Id: ng_btsocket_l2cap.h,v 1.4 2003/03/25 23:53:33 max Exp $
31 * $FreeBSD: head/sys/netgraph/bluetooth/include/ng_btsocket_l2cap.h 151888 2005-10-30 19:44:40Z rwatson $
32 */
33
34#ifndef _NETGRAPH_BTSOCKET_L2CAP_H_
35#define _NETGRAPH_BTSOCKET_L2CAP_H_
36
37/*
38 * L2CAP routing entry
39 */
40
41struct ng_hook;
42struct ng_message;
43
44struct ng_btsocket_l2cap_rtentry {
45	bdaddr_t				 src;  /* source BD_ADDR */
46	struct ng_hook				*hook; /* downstream hook */
47	LIST_ENTRY(ng_btsocket_l2cap_rtentry)	 next; /* link to next */
48};
49typedef struct ng_btsocket_l2cap_rtentry	ng_btsocket_l2cap_rtentry_t;
50typedef struct ng_btsocket_l2cap_rtentry *	ng_btsocket_l2cap_rtentry_p;
51
52/*****************************************************************************
53 *****************************************************************************
54 **                          SOCK_RAW L2CAP sockets                         **
55 *****************************************************************************
56 *****************************************************************************/
57
58#define NG_BTSOCKET_L2CAP_RAW_SENDSPACE	NG_L2CAP_MTU_DEFAULT
59#define NG_BTSOCKET_L2CAP_RAW_RECVSPACE	NG_L2CAP_MTU_DEFAULT
60
61/*
62 * Bluetooth raw L2CAP socket PCB
63 */
64
65struct ng_btsocket_l2cap_raw_pcb {
66	struct socket				*so;	/* socket */
67
68	u_int32_t				 flags; /* flags */
69#define NG_BTSOCKET_L2CAP_RAW_PRIVILEGED	(1 << 0)
70
71	bdaddr_t				 src;	/* source address */
72	bdaddr_t				 dst;	/* dest address */
73	ng_btsocket_l2cap_rtentry_p		 rt;    /* routing info */
74
75	u_int32_t				 token;	/* message token */
76	struct ng_mesg				*msg;   /* message */
77
78	struct mtx				 pcb_mtx; /* pcb mutex */
79
80	LIST_ENTRY(ng_btsocket_l2cap_raw_pcb)	 next;  /* link to next PCB */
81};
82typedef struct ng_btsocket_l2cap_raw_pcb	ng_btsocket_l2cap_raw_pcb_t;
83typedef struct ng_btsocket_l2cap_raw_pcb *	ng_btsocket_l2cap_raw_pcb_p;
84
85#define	so2l2cap_raw_pcb(so) \
86	((struct ng_btsocket_l2cap_raw_pcb *)((so)->so_pcb))
87
88/*
89 * Bluetooth raw L2CAP socket methods
90 */
91
92#ifdef _KERNEL
93
94void ng_btsocket_l2cap_raw_init       (void);
95int  ng_btsocket_l2cap_raw_abort      (struct socket *);
96int  ng_btsocket_l2cap_raw_attach     (struct socket *, int, struct thread *);
97int  ng_btsocket_l2cap_raw_bind       (struct socket *, struct sockaddr *,
98                                       struct thread *);
99int  ng_btsocket_l2cap_raw_connect    (struct socket *, struct sockaddr *,
100                                       struct thread *);
101int  ng_btsocket_l2cap_raw_control    (struct socket *, u_long, caddr_t,
102                                       struct ifnet *, struct thread *);
103int  ng_btsocket_l2cap_raw_detach     (struct socket *);
104int  ng_btsocket_l2cap_raw_disconnect (struct socket *);
105int  ng_btsocket_l2cap_raw_peeraddr   (struct socket *, struct sockaddr **);
106int  ng_btsocket_l2cap_raw_send       (struct socket *, int, struct mbuf *,
107                                       struct sockaddr *, struct mbuf *,
108                                       struct thread *);
109int  ng_btsocket_l2cap_raw_sockaddr   (struct socket *, struct sockaddr **);
110
111#endif /* _KERNEL */
112
113/*****************************************************************************
114 *****************************************************************************
115 **                    SOCK_SEQPACKET L2CAP sockets                         **
116 *****************************************************************************
117 *****************************************************************************/
118
119#define NG_BTSOCKET_L2CAP_SENDSPACE	NG_L2CAP_MTU_DEFAULT /* (64 * 1024) */
120#define NG_BTSOCKET_L2CAP_RECVSPACE	(64 * 1024)
121
122/*
123 * Bluetooth L2CAP socket PCB
124 */
125
126struct ng_btsocket_l2cap_pcb {
127	struct socket			*so;	     /* Pointer to socket */
128
129	bdaddr_t			 src;	     /* Source address */
130	bdaddr_t			 dst;	     /* Destination address */
131
132	u_int16_t			 psm;	     /* PSM */
133	u_int16_t			 cid;	     /* Local channel ID */
134
135	u_int16_t			 flags;      /* socket flags */
136#define NG_BTSOCKET_L2CAP_CLIENT	(1 << 0)     /* socket is client */
137#define NG_BTSOCKET_L2CAP_TIMO		(1 << 1)     /* timeout pending */
138
139	u_int8_t			 state;      /* socket state */
140#define NG_BTSOCKET_L2CAP_CLOSED	0            /* socket closed */
141#define NG_BTSOCKET_L2CAP_CONNECTING	1            /* wait for connect */
142#define NG_BTSOCKET_L2CAP_CONFIGURING	2            /* wait for config */
143#define NG_BTSOCKET_L2CAP_OPEN		3            /* socket open */
144#define NG_BTSOCKET_L2CAP_DISCONNECTING	4            /* wait for disconnect */
145
146	u_int8_t			 cfg_state;  /* config state */
147#define	NG_BTSOCKET_L2CAP_CFG_IN	(1 << 0)     /* incoming path done */
148#define	NG_BTSOCKET_L2CAP_CFG_OUT	(1 << 1)     /* outgoing path done */
149#define	NG_BTSOCKET_L2CAP_CFG_BOTH \
150	(NG_BTSOCKET_L2CAP_CFG_IN | NG_BTSOCKET_L2CAP_CFG_OUT)
151
152#define	NG_BTSOCKET_L2CAP_CFG_IN_SENT	(1 << 2)     /* L2CAP ConfigReq sent */
153#define	NG_BTSOCKET_L2CAP_CFG_OUT_SENT	(1 << 3)     /* ---/--- */
154
155	u_int16_t			 imtu;       /* Incoming MTU */
156	ng_l2cap_flow_t			 iflow;      /* Input flow spec */
157
158	u_int16_t			 omtu;       /* Outgoing MTU */
159	ng_l2cap_flow_t			 oflow;      /* Outgoing flow spec */
160
161	u_int16_t			 flush_timo; /* flush timeout */
162	u_int16_t			 link_timo;  /* link timeout */
163
164	struct callout_handle		 timo;       /* timeout */
165
166	u_int32_t			 token;	     /* message token */
167	ng_btsocket_l2cap_rtentry_p	 rt;         /* routing info */
168
169	struct mtx			 pcb_mtx;    /* pcb mutex */
170
171	LIST_ENTRY(ng_btsocket_l2cap_pcb) next;      /* link to next PCB */
172};
173typedef struct ng_btsocket_l2cap_pcb	ng_btsocket_l2cap_pcb_t;
174typedef struct ng_btsocket_l2cap_pcb *	ng_btsocket_l2cap_pcb_p;
175
176#define	so2l2cap_pcb(so) \
177	((struct ng_btsocket_l2cap_pcb *)((so)->so_pcb))
178
179/*
180 * Bluetooth L2CAP socket methods
181 */
182
183#ifdef _KERNEL
184
185void ng_btsocket_l2cap_init       (void);
186int  ng_btsocket_l2cap_abort      (struct socket *);
187int  ng_btsocket_l2cap_accept     (struct socket *, struct sockaddr **);
188int  ng_btsocket_l2cap_attach     (struct socket *, int, struct thread *);
189int  ng_btsocket_l2cap_bind       (struct socket *, struct sockaddr *,
190                                   struct thread *);
191int  ng_btsocket_l2cap_connect    (struct socket *, struct sockaddr *,
192                                   struct thread *);
193int  ng_btsocket_l2cap_control    (struct socket *, u_long, caddr_t,
194                                   struct ifnet *, struct thread *);
195int  ng_btsocket_l2cap_ctloutput  (struct socket *, struct sockopt *);
196int  ng_btsocket_l2cap_detach     (struct socket *);
197int  ng_btsocket_l2cap_disconnect (struct socket *);
198int  ng_btsocket_l2cap_listen     (struct socket *, int, struct thread *);
199int  ng_btsocket_l2cap_peeraddr   (struct socket *, struct sockaddr **);
200int  ng_btsocket_l2cap_send       (struct socket *, int, struct mbuf *,
201                                   struct sockaddr *, struct mbuf *,
202                                   struct thread *);
203int  ng_btsocket_l2cap_sockaddr   (struct socket *, struct sockaddr **);
204
205#endif /* _KERNEL */
206
207#endif /* _NETGRAPH_BTSOCKET_L2CAP_H_ */
208
209