kernel/netgraph7: Port the kernel part of the netgraph7 bluetooth stack.
[dragonfly.git] / sys / netgraph7 / bluetooth / include / ng_btsocket_l2cap.h
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: src/sys/netgraph/bluetooth/include/ng_btsocket_l2cap.h,v 1.8 2006/07/21 17:11:13 rwatson Exp $
32  */
33
34 #ifndef _NETGRAPH_BTSOCKET_L2CAP_H_
35 #define _NETGRAPH_BTSOCKET_L2CAP_H_
36
37 /*
38  * L2CAP routing entry
39  */
40
41 struct ng_hook;
42 struct ng_message;
43
44 struct 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 };
49 typedef struct ng_btsocket_l2cap_rtentry        ng_btsocket_l2cap_rtentry_t;
50 typedef 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
65 struct 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 lock                              pcb_lock; /* pcb lock */
79
80         LIST_ENTRY(ng_btsocket_l2cap_raw_pcb)    next;  /* link to next PCB */
81 };
82 typedef struct ng_btsocket_l2cap_raw_pcb        ng_btsocket_l2cap_raw_pcb_t;
83 typedef 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
94 void ng_btsocket_l2cap_raw_init       (void);
95 void ng_btsocket_l2cap_raw_abort      (netmsg_t msg);
96 #if 0 /* XXX */
97 void ng_btsocket_l2cap_raw_close      (struct socket *);
98 #endif
99 void ng_btsocket_l2cap_raw_attach     (netmsg_t msg);
100 void ng_btsocket_l2cap_raw_bind       (netmsg_t msg);
101 void ng_btsocket_l2cap_raw_connect    (netmsg_t msg);
102 void ng_btsocket_l2cap_raw_control    (netmsg_t msg);
103 void ng_btsocket_l2cap_raw_detach     (netmsg_t msg);
104 void ng_btsocket_l2cap_raw_disconnect (netmsg_t msg);
105 void ng_btsocket_l2cap_raw_peeraddr   (netmsg_t msg);
106 void ng_btsocket_l2cap_raw_send       (netmsg_t msg);
107 void ng_btsocket_l2cap_raw_sockaddr   (netmsg_t msg);
108
109 #endif /* _KERNEL */
110
111 /*****************************************************************************
112  *****************************************************************************
113  **                    SOCK_SEQPACKET L2CAP sockets                         **
114  *****************************************************************************
115  *****************************************************************************/
116
117 #define NG_BTSOCKET_L2CAP_SENDSPACE     NG_L2CAP_MTU_DEFAULT /* (64 * 1024) */
118 #define NG_BTSOCKET_L2CAP_RECVSPACE     (64 * 1024)
119
120 /*
121  * Bluetooth L2CAP socket PCB
122  */
123
124 struct ng_btsocket_l2cap_pcb {
125         struct socket                   *so;         /* Pointer to socket */
126
127         bdaddr_t                         src;        /* Source address */
128         bdaddr_t                         dst;        /* Destination address */
129
130         u_int16_t                        psm;        /* PSM */
131         u_int16_t                        cid;        /* Local channel ID */
132
133         u_int16_t                        flags;      /* socket flags */
134 #define NG_BTSOCKET_L2CAP_CLIENT        (1 << 0)     /* socket is client */
135 #define NG_BTSOCKET_L2CAP_TIMO          (1 << 1)     /* timeout pending */
136
137         u_int8_t                         state;      /* socket state */
138 #define NG_BTSOCKET_L2CAP_CLOSED        0            /* socket closed */
139 #define NG_BTSOCKET_L2CAP_CONNECTING    1            /* wait for connect */
140 #define NG_BTSOCKET_L2CAP_CONFIGURING   2            /* wait for config */
141 #define NG_BTSOCKET_L2CAP_OPEN          3            /* socket open */
142 #define NG_BTSOCKET_L2CAP_DISCONNECTING 4            /* wait for disconnect */
143
144         u_int8_t                         cfg_state;  /* config state */
145 #define NG_BTSOCKET_L2CAP_CFG_IN        (1 << 0)     /* incoming path done */
146 #define NG_BTSOCKET_L2CAP_CFG_OUT       (1 << 1)     /* outgoing path done */
147 #define NG_BTSOCKET_L2CAP_CFG_BOTH \
148         (NG_BTSOCKET_L2CAP_CFG_IN | NG_BTSOCKET_L2CAP_CFG_OUT)
149
150 #define NG_BTSOCKET_L2CAP_CFG_IN_SENT   (1 << 2)     /* L2CAP ConfigReq sent */
151 #define NG_BTSOCKET_L2CAP_CFG_OUT_SENT  (1 << 3)     /* ---/--- */
152
153         u_int16_t                        imtu;       /* Incoming MTU */
154         ng_l2cap_flow_t                  iflow;      /* Input flow spec */
155
156         u_int16_t                        omtu;       /* Outgoing MTU */
157         ng_l2cap_flow_t                  oflow;      /* Outgoing flow spec */
158
159         u_int16_t                        flush_timo; /* flush timeout */   
160         u_int16_t                        link_timo;  /* link timeout */ 
161
162         struct callout                   timo;       /* timeout */
163
164         u_int32_t                        token;      /* message token */
165         ng_btsocket_l2cap_rtentry_p      rt;         /* routing info */
166
167         struct lock                      pcb_lock;    /* pcb lock */
168
169         LIST_ENTRY(ng_btsocket_l2cap_pcb) next;      /* link to next PCB */
170 };
171 typedef struct ng_btsocket_l2cap_pcb    ng_btsocket_l2cap_pcb_t;
172 typedef struct ng_btsocket_l2cap_pcb *  ng_btsocket_l2cap_pcb_p;
173
174 #define so2l2cap_pcb(so) \
175         ((struct ng_btsocket_l2cap_pcb *)((so)->so_pcb))
176
177 /*
178  * Bluetooth L2CAP socket methods
179  */
180
181 #ifdef _KERNEL
182
183 void ng_btsocket_l2cap_init       (void);
184 void ng_btsocket_l2cap_abort      (netmsg_t msg);
185 #if 0 /* XXX */
186 void ng_btsocket_l2cap_close      (struct socket *);
187 #endif
188 void ng_btsocket_l2cap_accept     (netmsg_t msg);
189 void ng_btsocket_l2cap_attach     (netmsg_t msg);
190 void ng_btsocket_l2cap_bind       (netmsg_t msg);
191 void ng_btsocket_l2cap_connect    (netmsg_t msg);
192 void ng_btsocket_l2cap_control    (netmsg_t msg);
193 void ng_btsocket_l2cap_ctloutput  (netmsg_t msg);
194 void ng_btsocket_l2cap_detach     (netmsg_t msg);
195 void ng_btsocket_l2cap_disconnect (netmsg_t msg);
196 void ng_btsocket_l2cap_listen     (netmsg_t msg);
197 void ng_btsocket_l2cap_peeraddr   (netmsg_t msg);
198 void ng_btsocket_l2cap_send       (netmsg_t msg);
199 void ng_btsocket_l2cap_sockaddr   (netmsg_t msg);
200
201 #endif /* _KERNEL */
202
203 #endif /* _NETGRAPH_BTSOCKET_L2CAP_H_ */
204