1/*
2 * ng_btsocket_l2cap.h
3 */
4
5/*-
6 * SPDX-License-Identifier: BSD-2-Clause
7 *
8 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $Id: ng_btsocket_l2cap.h,v 1.4 2003/03/25 23:53:33 max Exp $
33 */
34
35#ifndef _NETGRAPH_BTSOCKET_L2CAP_H_
36#define _NETGRAPH_BTSOCKET_L2CAP_H_
37
38/*
39 * L2CAP routing entry
40 */
41
42struct ng_hook;
43struct ng_message;
44
45struct ng_btsocket_l2cap_rtentry {
46	bdaddr_t				 src;  /* source BD_ADDR */
47	struct ng_hook				*hook; /* downstream hook */
48	LIST_ENTRY(ng_btsocket_l2cap_rtentry)	 next; /* link to next */
49};
50typedef struct ng_btsocket_l2cap_rtentry	ng_btsocket_l2cap_rtentry_t;
51typedef struct ng_btsocket_l2cap_rtentry *	ng_btsocket_l2cap_rtentry_p;
52
53/*****************************************************************************
54 *****************************************************************************
55 **                          SOCK_RAW L2CAP sockets                         **
56 *****************************************************************************
57 *****************************************************************************/
58
59#define NG_BTSOCKET_L2CAP_RAW_SENDSPACE	NG_L2CAP_MTU_DEFAULT
60#define NG_BTSOCKET_L2CAP_RAW_RECVSPACE	NG_L2CAP_MTU_DEFAULT
61
62/*
63 * Bluetooth raw L2CAP socket PCB
64 */
65
66struct ng_btsocket_l2cap_raw_pcb {
67	struct socket				*so;	/* socket */
68
69	u_int32_t				 flags; /* flags */
70#define NG_BTSOCKET_L2CAP_RAW_PRIVILEGED	(1 << 0)
71
72	bdaddr_t				 src;	/* source address */
73	bdaddr_t				 dst;	/* dest address */
74	uint8_t			 	 	 srctype;/*source addr type*/
75	uint8_t			 	 	 dsttype;/*source addr type*/
76	ng_btsocket_l2cap_rtentry_p		 rt;    /* routing info */
77
78	u_int32_t				 token;	/* message token */
79	struct ng_mesg				*msg;   /* message */
80
81	struct mtx				 pcb_mtx; /* pcb mutex */
82
83	LIST_ENTRY(ng_btsocket_l2cap_raw_pcb)	 next;  /* link to next PCB */
84};
85typedef struct ng_btsocket_l2cap_raw_pcb	ng_btsocket_l2cap_raw_pcb_t;
86typedef struct ng_btsocket_l2cap_raw_pcb *	ng_btsocket_l2cap_raw_pcb_p;
87
88#define	so2l2cap_raw_pcb(so) \
89	((struct ng_btsocket_l2cap_raw_pcb *)((so)->so_pcb))
90
91/*
92 * Bluetooth raw L2CAP socket methods
93 */
94
95#ifdef _KERNEL
96
97void ng_btsocket_l2cap_raw_abort      (struct socket *);
98void ng_btsocket_l2cap_raw_close      (struct socket *);
99int  ng_btsocket_l2cap_raw_attach     (struct socket *, int, struct thread *);
100int  ng_btsocket_l2cap_raw_bind       (struct socket *, struct sockaddr *,
101                                       struct thread *);
102int  ng_btsocket_l2cap_raw_connect    (struct socket *, struct sockaddr *,
103                                       struct thread *);
104int  ng_btsocket_l2cap_raw_control    (struct socket *, u_long, void *,
105                                       struct ifnet *, struct thread *);
106void ng_btsocket_l2cap_raw_detach     (struct socket *);
107int  ng_btsocket_l2cap_raw_disconnect (struct socket *);
108int  ng_btsocket_l2cap_raw_peeraddr   (struct socket *, struct sockaddr *);
109int  ng_btsocket_l2cap_raw_send       (struct socket *, int, struct mbuf *,
110                                       struct sockaddr *, struct mbuf *,
111                                       struct thread *);
112int  ng_btsocket_l2cap_raw_sockaddr   (struct socket *, struct sockaddr *);
113
114#endif /* _KERNEL */
115
116/*****************************************************************************
117 *****************************************************************************
118 **                    SOCK_SEQPACKET L2CAP sockets                         **
119 *****************************************************************************
120 *****************************************************************************/
121
122#define NG_BTSOCKET_L2CAP_SENDSPACE	NG_L2CAP_MTU_DEFAULT /* (64 * 1024) */
123#define NG_BTSOCKET_L2CAP_RECVSPACE	(64 * 1024)
124
125/*
126 * Bluetooth L2CAP socket PCB
127 */
128
129struct ng_btsocket_l2cap_pcb {
130	struct socket			*so;	     /* Pointer to socket */
131
132	bdaddr_t			 src;	     /* Source address */
133	bdaddr_t			 dst;	     /* Destination address */
134	uint8_t			 	 srctype;	/*source addr type*/
135	uint8_t			 	 dsttype;	/*source addr type*/
136
137	u_int16_t			 psm;	     /* PSM */
138	u_int16_t			 cid;	     /* Local channel ID */
139	uint8_t				 idtype;
140	u_int16_t			 flags;      /* socket flags */
141#define NG_BTSOCKET_L2CAP_CLIENT	(1 << 0)     /* socket is client */
142#define NG_BTSOCKET_L2CAP_TIMO		(1 << 1)     /* timeout pending */
143
144	u_int8_t			 state;      /* socket state */
145#define NG_BTSOCKET_L2CAP_CLOSED	0            /* socket closed */
146#define NG_BTSOCKET_L2CAP_CONNECTING	1            /* wait for connect */
147#define NG_BTSOCKET_L2CAP_CONFIGURING	2            /* wait for config */
148#define NG_BTSOCKET_L2CAP_OPEN		3            /* socket open */
149#define NG_BTSOCKET_L2CAP_DISCONNECTING	4            /* wait for disconnect */
150#define NG_BTSOCKET_L2CAP_W4_ENC_CHANGE 5
151
152	u_int8_t			 cfg_state;  /* config state */
153#define	NG_BTSOCKET_L2CAP_CFG_IN	(1 << 0)     /* incoming path done */
154#define	NG_BTSOCKET_L2CAP_CFG_OUT	(1 << 1)     /* outgoing path done */
155#define	NG_BTSOCKET_L2CAP_CFG_BOTH \
156	(NG_BTSOCKET_L2CAP_CFG_IN | NG_BTSOCKET_L2CAP_CFG_OUT)
157
158#define	NG_BTSOCKET_L2CAP_CFG_IN_SENT	(1 << 2)     /* L2CAP ConfigReq sent */
159#define	NG_BTSOCKET_L2CAP_CFG_OUT_SENT	(1 << 3)     /* ---/--- */
160	uint8_t 			 encryption;
161	u_int16_t			 imtu;       /* Incoming MTU */
162	ng_l2cap_flow_t			 iflow;      /* Input flow spec */
163
164	u_int16_t			 omtu;       /* Outgoing MTU */
165	ng_l2cap_flow_t			 oflow;      /* Outgoing flow spec */
166
167	u_int16_t			 flush_timo; /* flush timeout */
168	u_int16_t			 link_timo;  /* link timeout */
169
170	struct callout			 timo;       /* timeout */
171
172	u_int32_t			 token;	     /* message token */
173	ng_btsocket_l2cap_rtentry_p	 rt;         /* routing info */
174
175	struct mtx			 pcb_mtx;    /* pcb mutex */
176	uint16_t			 need_encrypt; /*encryption needed*/
177
178	LIST_ENTRY(ng_btsocket_l2cap_pcb) next;      /* link to next PCB */
179};
180typedef struct ng_btsocket_l2cap_pcb	ng_btsocket_l2cap_pcb_t;
181typedef struct ng_btsocket_l2cap_pcb *	ng_btsocket_l2cap_pcb_p;
182
183#define	so2l2cap_pcb(so) \
184	((struct ng_btsocket_l2cap_pcb *)((so)->so_pcb))
185
186/*
187 * Bluetooth L2CAP socket methods
188 */
189
190#ifdef _KERNEL
191
192void ng_btsocket_l2cap_abort      (struct socket *);
193void ng_btsocket_l2cap_close      (struct socket *);
194int  ng_btsocket_l2cap_attach     (struct socket *, int, struct thread *);
195int  ng_btsocket_l2cap_bind       (struct socket *, struct sockaddr *,
196                                   struct thread *);
197int  ng_btsocket_l2cap_connect    (struct socket *, struct sockaddr *,
198                                   struct thread *);
199int  ng_btsocket_l2cap_control    (struct socket *, u_long, void *,
200                                   struct ifnet *, struct thread *);
201int  ng_btsocket_l2cap_ctloutput  (struct socket *, struct sockopt *);
202void ng_btsocket_l2cap_detach     (struct socket *);
203int  ng_btsocket_l2cap_disconnect (struct socket *);
204int  ng_btsocket_l2cap_listen     (struct socket *, int, struct thread *);
205int  ng_btsocket_l2cap_peeraddr   (struct socket *, struct sockaddr *);
206int  ng_btsocket_l2cap_send       (struct socket *, int, struct mbuf *,
207                                   struct sockaddr *, struct mbuf *,
208                                   struct thread *);
209int  ng_btsocket_l2cap_sockaddr   (struct socket *, struct sockaddr *);
210
211#endif /* _KERNEL */
212
213#endif /* _NETGRAPH_BTSOCKET_L2CAP_H_ */
214