xref: /freebsd/sys/netgraph/bluetooth/include/ng_btsocket_sco.h (revision faf25f48d601ae39f5752602f3020e2e92605625)
1 /*
2  * ng_btsocket_sco.h
3  */
4 
5 /*-
6  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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_sco.h,v 1.3 2005/10/31 18:08:52 max Exp $
33  * $FreeBSD$
34  */
35 
36 #ifndef _NETGRAPH_BTSOCKET_SCO_H_
37 #define _NETGRAPH_BTSOCKET_SCO_H_
38 
39 /*
40  * SCO routing entry
41  */
42 
43 struct ng_hook;
44 struct ng_message;
45 
46 struct ng_btsocket_sco_rtentry {
47 	bdaddr_t				 src;  /* source BD_ADDR */
48 	u_int16_t				 pkt_size; /* mtu */
49 	u_int16_t				 num_pkts; /* buffer size */
50 	int32_t					 pending; /* pending packets */
51 	struct ng_hook				*hook; /* downstream hook */
52 	LIST_ENTRY(ng_btsocket_sco_rtentry)	 next; /* link to next */
53 };
54 typedef struct ng_btsocket_sco_rtentry		ng_btsocket_sco_rtentry_t;
55 typedef struct ng_btsocket_sco_rtentry *	ng_btsocket_sco_rtentry_p;
56 
57 /*****************************************************************************
58  *****************************************************************************
59  **                      SOCK_SEQPACKET SCO sockets                         **
60  *****************************************************************************
61  *****************************************************************************/
62 
63 #define NG_BTSOCKET_SCO_SENDSPACE	1024
64 #define NG_BTSOCKET_SCO_RECVSPACE	(64 * 1024)
65 
66 /*
67  * Bluetooth SCO socket PCB
68  */
69 
70 struct ng_btsocket_sco_pcb {
71 	struct socket			*so;	     /* Pointer to socket */
72 
73 	bdaddr_t			 src;	     /* Source address */
74 	bdaddr_t			 dst;	     /* Destination address */
75 
76 	u_int16_t			 con_handle; /* connection handle */
77 
78 	u_int16_t			 flags;      /* socket flags */
79 #define NG_BTSOCKET_SCO_CLIENT		(1 << 0)     /* socket is client */
80 #define NG_BTSOCKET_SCO_TIMO		(1 << 1)     /* timeout pending */
81 
82 	u_int8_t			 state;      /* socket state */
83 #define NG_BTSOCKET_SCO_CLOSED		0            /* socket closed */
84 #define NG_BTSOCKET_SCO_CONNECTING	1            /* wait for connect */
85 #define NG_BTSOCKET_SCO_OPEN		2            /* socket open */
86 #define NG_BTSOCKET_SCO_DISCONNECTING	3            /* wait for disconnect */
87 
88 	struct callout			 timo;       /* timeout */
89 
90 	ng_btsocket_sco_rtentry_p	 rt;         /* routing info */
91 
92 	struct mtx			 pcb_mtx;    /* pcb mutex */
93 
94 	LIST_ENTRY(ng_btsocket_sco_pcb)	 next;       /* link to next PCB */
95 };
96 typedef struct ng_btsocket_sco_pcb	ng_btsocket_sco_pcb_t;
97 typedef struct ng_btsocket_sco_pcb *	ng_btsocket_sco_pcb_p;
98 
99 #define	so2sco_pcb(so) \
100 	((struct ng_btsocket_sco_pcb *)((so)->so_pcb))
101 
102 /*
103  * Bluetooth SCO socket methods
104  */
105 
106 #ifdef _KERNEL
107 
108 void ng_btsocket_sco_abort      (struct socket *);
109 void ng_btsocket_sco_close      (struct socket *);
110 int  ng_btsocket_sco_accept     (struct socket *, struct sockaddr **);
111 int  ng_btsocket_sco_attach     (struct socket *, int, struct thread *);
112 int  ng_btsocket_sco_bind       (struct socket *, struct sockaddr *,
113                                    struct thread *);
114 int  ng_btsocket_sco_connect    (struct socket *, struct sockaddr *,
115                                    struct thread *);
116 int  ng_btsocket_sco_control    (struct socket *, u_long, caddr_t,
117                                    struct ifnet *, struct thread *);
118 int  ng_btsocket_sco_ctloutput  (struct socket *, struct sockopt *);
119 void ng_btsocket_sco_detach     (struct socket *);
120 int  ng_btsocket_sco_disconnect (struct socket *);
121 int  ng_btsocket_sco_listen     (struct socket *, int, struct thread *);
122 int  ng_btsocket_sco_peeraddr   (struct socket *, struct sockaddr **);
123 int  ng_btsocket_sco_send       (struct socket *, int, struct mbuf *,
124                                    struct sockaddr *, struct mbuf *,
125                                    struct thread *);
126 int  ng_btsocket_sco_sockaddr   (struct socket *, struct sockaddr **);
127 
128 #endif /* _KERNEL */
129 
130 #endif /* _NETGRAPH_BTSOCKET_SCO_H_ */
131