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 mtx                               pcb_mtx; /* pcb mutex */
  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      (struct socket *);
  96 void ng_btsocket_l2cap_raw_close      (struct socket *);
  97 int  ng_btsocket_l2cap_raw_attach     (struct socket *, int, struct thread *);
  98 int  ng_btsocket_l2cap_raw_bind       (struct socket *, struct sockaddr *,
  99                                        struct thread *);
 100 int  ng_btsocket_l2cap_raw_connect    (struct socket *, struct sockaddr *,
 101                                        struct thread *);
 102 int  ng_btsocket_l2cap_raw_control    (struct socket *, u_long, caddr_t,
 103                                        struct ifnet *, struct thread *);
 104 void ng_btsocket_l2cap_raw_detach     (struct socket *);
 105 int  ng_btsocket_l2cap_raw_disconnect (struct socket *);
 106 int  ng_btsocket_l2cap_raw_peeraddr   (struct socket *, struct sockaddr **);
 107 int  ng_btsocket_l2cap_raw_send       (struct socket *, int, struct mbuf *,
 108                                        struct sockaddr *, struct mbuf *,
 109                                        struct thread *);
 110 int  ng_btsocket_l2cap_raw_sockaddr   (struct socket *, struct sockaddr **);
 111
 112 #endif /* _KERNEL */
 113
 114 /*****************************************************************************
 115  *****************************************************************************
 116  **                    SOCK_SEQPACKET L2CAP sockets                         **
 117  *****************************************************************************
 118  *****************************************************************************/
 119
 120 #define NG_BTSOCKET_L2CAP_SENDSPACE     NG_L2CAP_MTU_DEFAULT /* (64 * 1024) */
 121 #define NG_BTSOCKET_L2CAP_RECVSPACE     (64 * 1024)
 122
 123 /*
 124  * Bluetooth L2CAP socket PCB
 125  */
 126
 127 struct ng_btsocket_l2cap_pcb {
 128         struct socket                   *so;         /* Pointer to socket */
 129
 130         bdaddr_t                         src;        /* Source address */
 131         bdaddr_t                         dst;        /* Destination address */
 132
 133         u_int16_t                        psm;        /* PSM */
 134         u_int16_t                        cid;        /* Local channel ID */
 135
 136         u_int16_t                        flags;      /* socket flags */
 137 #define NG_BTSOCKET_L2CAP_CLIENT        (1 << 0)     /* socket is client */
 138 #define NG_BTSOCKET_L2CAP_TIMO          (1 << 1)     /* timeout pending */
 139
 140         u_int8_t                         state;      /* socket state */
 141 #define NG_BTSOCKET_L2CAP_CLOSED        0            /* socket closed */
 142 #define NG_BTSOCKET_L2CAP_CONNECTING    1            /* wait for connect */
 143 #define NG_BTSOCKET_L2CAP_CONFIGURING   2            /* wait for config */
 144 #define NG_BTSOCKET_L2CAP_OPEN          3            /* socket open */
 145 #define NG_BTSOCKET_L2CAP_DISCONNECTING 4            /* wait for disconnect */
 146
 147         u_int8_t                         cfg_state;  /* config state */
 148 #define NG_BTSOCKET_L2CAP_CFG_IN        (1 << 0)     /* incoming path done */
 149 #define NG_BTSOCKET_L2CAP_CFG_OUT       (1 << 1)     /* outgoing path done */
 150 #define NG_BTSOCKET_L2CAP_CFG_BOTH \
 151         (NG_BTSOCKET_L2CAP_CFG_IN | NG_BTSOCKET_L2CAP_CFG_OUT)
 152
 153 #define NG_BTSOCKET_L2CAP_CFG_IN_SENT   (1 << 2)     /* L2CAP ConfigReq sent */
 154 #define NG_BTSOCKET_L2CAP_CFG_OUT_SENT  (1 << 3)     /* ---/--- */
 155
 156         u_int16_t                        imtu;       /* Incoming MTU */
 157         ng_l2cap_flow_t                  iflow;      /* Input flow spec */
 158
 159         u_int16_t                        omtu;       /* Outgoing MTU */
 160         ng_l2cap_flow_t                  oflow;      /* Outgoing flow spec */
 161
 162         u_int16_t                        flush_timo; /* flush timeout */
 163         u_int16_t                        link_timo;  /* link timeout */
 164
 165         struct callout_handle            timo;       /* timeout */
 166
 167         u_int32_t                        token;      /* message token */
 168         ng_btsocket_l2cap_rtentry_p      rt;         /* routing info */
 169
 170         struct mtx                       pcb_mtx;    /* pcb mutex */
 171
 172         LIST_ENTRY(ng_btsocket_l2cap_pcb) next;      /* link to next PCB */
 173 };
 174 typedef struct ng_btsocket_l2cap_pcb    ng_btsocket_l2cap_pcb_t;
 175 typedef struct ng_btsocket_l2cap_pcb *  ng_btsocket_l2cap_pcb_p;
 176
 177 #define so2l2cap_pcb(so) \
 178         ((struct ng_btsocket_l2cap_pcb *)((so)->so_pcb))
 179
 180 /*
 181  * Bluetooth L2CAP socket methods
 182  */
 183
 184 #ifdef _KERNEL
 185
 186 void ng_btsocket_l2cap_init       (void);
 187 void ng_btsocket_l2cap_abort      (struct socket *);
 188 void ng_btsocket_l2cap_close      (struct socket *);
 189 int  ng_btsocket_l2cap_accept     (struct socket *, struct sockaddr **);
 190 int  ng_btsocket_l2cap_attach     (struct socket *, int, struct thread *);
 191 int  ng_btsocket_l2cap_bind       (struct socket *, struct sockaddr *,
 192                                    struct thread *);
 193 int  ng_btsocket_l2cap_connect    (struct socket *, struct sockaddr *,
 194                                    struct thread *);
 195 int  ng_btsocket_l2cap_control    (struct socket *, u_long, caddr_t,
 196                                    struct ifnet *, struct thread *);
 197 int  ng_btsocket_l2cap_ctloutput  (struct socket *, struct sockopt *);
 198 void ng_btsocket_l2cap_detach     (struct socket *);
 199 int  ng_btsocket_l2cap_disconnect (struct socket *);
 200 int  ng_btsocket_l2cap_listen     (struct socket *, int, struct thread *);
 201 int  ng_btsocket_l2cap_peeraddr   (struct socket *, struct sockaddr **);
 202 int  ng_btsocket_l2cap_send       (struct socket *, int, struct mbuf *,
 203                                    struct sockaddr *, struct mbuf *,
 204                                    struct thread *);
 205 int  ng_btsocket_l2cap_sockaddr   (struct socket *, struct sockaddr **);
 206
 207 #endif /* _KERNEL */
 208
 209 #endif /* _NETGRAPH_BTSOCKET_L2CAP_H_ */
 210