xref: /freebsd/sys/netgraph/bluetooth/include/ng_btsocket_sco.h (revision 031beb4e239bfce798af17f5fe8dba8bcaf13d99)
1 /*
2  * ng_btsocket_sco.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_sco.h,v 1.3 2005/10/31 18:08:52 max Exp $
33  */
34 
35 #ifndef _NETGRAPH_BTSOCKET_SCO_H_
36 #define _NETGRAPH_BTSOCKET_SCO_H_
37 
38 /*
39  * SCO routing entry
40  */
41 
42 struct ng_hook;
43 struct ng_message;
44 
45 struct ng_btsocket_sco_rtentry {
46 	bdaddr_t				 src;  /* source BD_ADDR */
47 	u_int16_t				 pkt_size; /* mtu */
48 	u_int16_t				 num_pkts; /* buffer size */
49 	int32_t					 pending; /* pending packets */
50 	struct ng_hook				*hook; /* downstream hook */
51 	LIST_ENTRY(ng_btsocket_sco_rtentry)	 next; /* link to next */
52 };
53 typedef struct ng_btsocket_sco_rtentry		ng_btsocket_sco_rtentry_t;
54 typedef struct ng_btsocket_sco_rtentry *	ng_btsocket_sco_rtentry_p;
55 
56 /*****************************************************************************
57  *****************************************************************************
58  **                      SOCK_SEQPACKET SCO sockets                         **
59  *****************************************************************************
60  *****************************************************************************/
61 
62 #define NG_BTSOCKET_SCO_SENDSPACE	1024
63 #define NG_BTSOCKET_SCO_RECVSPACE	(64 * 1024)
64 
65 /*
66  * Bluetooth SCO socket PCB
67  */
68 
69 struct ng_btsocket_sco_pcb {
70 	struct socket			*so;	     /* Pointer to socket */
71 
72 	bdaddr_t			 src;	     /* Source address */
73 	bdaddr_t			 dst;	     /* Destination address */
74 
75 	u_int16_t			 con_handle; /* connection handle */
76 
77 	u_int16_t			 flags;      /* socket flags */
78 #define NG_BTSOCKET_SCO_CLIENT		(1 << 0)     /* socket is client */
79 #define NG_BTSOCKET_SCO_TIMO		(1 << 1)     /* timeout pending */
80 
81 	u_int8_t			 state;      /* socket state */
82 #define NG_BTSOCKET_SCO_CLOSED		0            /* socket closed */
83 #define NG_BTSOCKET_SCO_CONNECTING	1            /* wait for connect */
84 #define NG_BTSOCKET_SCO_OPEN		2            /* socket open */
85 #define NG_BTSOCKET_SCO_DISCONNECTING	3            /* wait for disconnect */
86 
87 	struct callout			 timo;       /* timeout */
88 
89 	ng_btsocket_sco_rtentry_p	 rt;         /* routing info */
90 
91 	struct mtx			 pcb_mtx;    /* pcb mutex */
92 
93 	LIST_ENTRY(ng_btsocket_sco_pcb)	 next;       /* link to next PCB */
94 };
95 typedef struct ng_btsocket_sco_pcb	ng_btsocket_sco_pcb_t;
96 typedef struct ng_btsocket_sco_pcb *	ng_btsocket_sco_pcb_p;
97 
98 #define	so2sco_pcb(so) \
99 	((struct ng_btsocket_sco_pcb *)((so)->so_pcb))
100 
101 /*
102  * Bluetooth SCO socket methods
103  */
104 
105 #ifdef _KERNEL
106 
107 void ng_btsocket_sco_abort      (struct socket *);
108 void ng_btsocket_sco_close      (struct socket *);
109 int  ng_btsocket_sco_accept     (struct socket *, struct sockaddr **);
110 int  ng_btsocket_sco_attach     (struct socket *, int, struct thread *);
111 int  ng_btsocket_sco_bind       (struct socket *, struct sockaddr *,
112                                    struct thread *);
113 int  ng_btsocket_sco_connect    (struct socket *, struct sockaddr *,
114                                    struct thread *);
115 int  ng_btsocket_sco_control    (struct socket *, u_long, void *,
116                                    struct ifnet *, struct thread *);
117 int  ng_btsocket_sco_ctloutput  (struct socket *, struct sockopt *);
118 void ng_btsocket_sco_detach     (struct socket *);
119 int  ng_btsocket_sco_disconnect (struct socket *);
120 int  ng_btsocket_sco_listen     (struct socket *, int, struct thread *);
121 int  ng_btsocket_sco_peeraddr   (struct socket *, struct sockaddr **);
122 int  ng_btsocket_sco_send       (struct socket *, int, struct mbuf *,
123                                    struct sockaddr *, struct mbuf *,
124                                    struct thread *);
125 int  ng_btsocket_sco_sockaddr   (struct socket *, struct sockaddr **);
126 
127 #endif /* _KERNEL */
128 
129 #endif /* _NETGRAPH_BTSOCKET_SCO_H_ */
130