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  * $DragonFly: src/sys/netgraph7/bluetooth/include/ng_btsocket_l2cap.h,v 1.2 2008/06/26 23:05:40 dillon Exp $
  33  */
  34
  35 #ifndef _NETGRAPH_BTSOCKET_L2CAP_H_
  36 #define _NETGRAPH_BTSOCKET_L2CAP_H_
  37
  38 /*
  39  * L2CAP routing entry
  40  */
  41
  42 struct ng_hook;
  43 struct ng_message;
  44
  45 struct 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 };
  50 typedef struct ng_btsocket_l2cap_rtentry        ng_btsocket_l2cap_rtentry_t;
  51 typedef 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
  66 struct 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         ng_btsocket_l2cap_rtentry_p              rt;    /* routing info */
  75
  76         u_int32_t                                token; /* message token */
  77         struct ng_mesg                          *msg;   /* message */
  78
  79         struct mtx                               pcb_mtx; /* pcb mutex */
  80
  81         LIST_ENTRY(ng_btsocket_l2cap_raw_pcb)    next;  /* link to next PCB */
  82 };
  83 typedef struct ng_btsocket_l2cap_raw_pcb        ng_btsocket_l2cap_raw_pcb_t;
  84 typedef struct ng_btsocket_l2cap_raw_pcb *      ng_btsocket_l2cap_raw_pcb_p;
  85
  86 #define so2l2cap_raw_pcb(so) \
  87         ((struct ng_btsocket_l2cap_raw_pcb *)((so)->so_pcb))
  88
  89 /*
  90  * Bluetooth raw L2CAP socket methods
  91  */
  92
  93 #ifdef _KERNEL
  94
  95 void ng_btsocket_l2cap_raw_init       (void);
  96 void ng_btsocket_l2cap_raw_abort      (struct socket *);
  97 void ng_btsocket_l2cap_raw_close      (struct socket *);
  98 int  ng_btsocket_l2cap_raw_attach     (struct socket *, int, struct thread *);
  99 int  ng_btsocket_l2cap_raw_bind       (struct socket *, struct sockaddr *,
 100                                        struct thread *);
 101 int  ng_btsocket_l2cap_raw_connect    (struct socket *, struct sockaddr *,
 102                                        struct thread *);
 103 int  ng_btsocket_l2cap_raw_control    (struct socket *, u_long, caddr_t,
 104                                        struct ifnet *, struct thread *);
 105 void ng_btsocket_l2cap_raw_detach     (struct socket *);
 106 int  ng_btsocket_l2cap_raw_disconnect (struct socket *);
 107 int  ng_btsocket_l2cap_raw_peeraddr   (struct socket *, struct sockaddr **);
 108 int  ng_btsocket_l2cap_raw_send       (struct socket *, int, struct mbuf *,
 109                                        struct sockaddr *, struct mbuf *,
 110                                        struct thread *);
 111 int  ng_btsocket_l2cap_raw_sockaddr   (struct socket *, struct sockaddr **);
 112
 113 #endif /* _KERNEL */
 114
 115 /*****************************************************************************
 116  *****************************************************************************
 117  **                    SOCK_SEQPACKET L2CAP sockets                         **
 118  *****************************************************************************
 119  *****************************************************************************/
 120
 121 #define NG_BTSOCKET_L2CAP_SENDSPACE     NG_L2CAP_MTU_DEFAULT /* (64 * 1024) */
 122 #define NG_BTSOCKET_L2CAP_RECVSPACE     (64 * 1024)
 123
 124 /*
 125  * Bluetooth L2CAP socket PCB
 126  */
 127
 128 struct ng_btsocket_l2cap_pcb {
 129         struct socket                   *so;         /* Pointer to socket */
 130
 131         bdaddr_t                         src;        /* Source address */
 132         bdaddr_t                         dst;        /* Destination address */
 133
 134         u_int16_t                        psm;        /* PSM */
 135         u_int16_t                        cid;        /* Local channel ID */
 136
 137         u_int16_t                        flags;      /* socket flags */
 138 #define NG_BTSOCKET_L2CAP_CLIENT        (1 << 0)     /* socket is client */
 139 #define NG_BTSOCKET_L2CAP_TIMO          (1 << 1)     /* timeout pending */
 140
 141         u_int8_t                         state;      /* socket state */
 142 #define NG_BTSOCKET_L2CAP_CLOSED        0            /* socket closed */
 143 #define NG_BTSOCKET_L2CAP_CONNECTING    1            /* wait for connect */
 144 #define NG_BTSOCKET_L2CAP_CONFIGURING   2            /* wait for config */
 145 #define NG_BTSOCKET_L2CAP_OPEN          3            /* socket open */
 146 #define NG_BTSOCKET_L2CAP_DISCONNECTING 4            /* wait for disconnect */
 147
 148         u_int8_t                         cfg_state;  /* config state */
 149 #define NG_BTSOCKET_L2CAP_CFG_IN        (1 << 0)     /* incoming path done */
 150 #define NG_BTSOCKET_L2CAP_CFG_OUT       (1 << 1)     /* outgoing path done */
 151 #define NG_BTSOCKET_L2CAP_CFG_BOTH \
 152         (NG_BTSOCKET_L2CAP_CFG_IN | NG_BTSOCKET_L2CAP_CFG_OUT)
 153
 154 #define NG_BTSOCKET_L2CAP_CFG_IN_SENT   (1 << 2)     /* L2CAP ConfigReq sent */
 155 #define NG_BTSOCKET_L2CAP_CFG_OUT_SENT  (1 << 3)     /* ---/--- */
 156
 157         u_int16_t                        imtu;       /* Incoming MTU */
 158         ng_l2cap_flow_t                  iflow;      /* Input flow spec */
 159
 160         u_int16_t                        omtu;       /* Outgoing MTU */
 161         ng_l2cap_flow_t                  oflow;      /* Outgoing flow spec */
 162
 163         u_int16_t                        flush_timo; /* flush timeout */
 164         u_int16_t                        link_timo;  /* link timeout */
 165
 166         struct callout_handle            timo;       /* timeout */
 167
 168         u_int32_t                        token;      /* message token */
 169         ng_btsocket_l2cap_rtentry_p      rt;         /* routing info */
 170
 171         struct mtx                       pcb_mtx;    /* pcb mutex */
 172
 173         LIST_ENTRY(ng_btsocket_l2cap_pcb) next;      /* link to next PCB */
 174 };
 175 typedef struct ng_btsocket_l2cap_pcb    ng_btsocket_l2cap_pcb_t;
 176 typedef struct ng_btsocket_l2cap_pcb *  ng_btsocket_l2cap_pcb_p;
 177
 178 #define so2l2cap_pcb(so) \
 179         ((struct ng_btsocket_l2cap_pcb *)((so)->so_pcb))
 180
 181 /*
 182  * Bluetooth L2CAP socket methods
 183  */
 184
 185 #ifdef _KERNEL
 186
 187 void ng_btsocket_l2cap_init       (void);
 188 void ng_btsocket_l2cap_abort      (struct socket *);
 189 void ng_btsocket_l2cap_close      (struct socket *);
 190 int  ng_btsocket_l2cap_accept     (struct socket *, struct sockaddr **);
 191 int  ng_btsocket_l2cap_attach     (struct socket *, int, struct thread *);
 192 int  ng_btsocket_l2cap_bind       (struct socket *, struct sockaddr *,
 193                                    struct thread *);
 194 int  ng_btsocket_l2cap_connect    (struct socket *, struct sockaddr *,
 195                                    struct thread *);
 196 int  ng_btsocket_l2cap_control    (struct socket *, u_long, caddr_t,
 197                                    struct ifnet *, struct thread *);
 198 int  ng_btsocket_l2cap_ctloutput  (struct socket *, struct sockopt *);
 199 void ng_btsocket_l2cap_detach     (struct socket *);
 200 int  ng_btsocket_l2cap_disconnect (struct socket *);
 201 int  ng_btsocket_l2cap_listen     (struct socket *, int, struct thread *);
 202 int  ng_btsocket_l2cap_peeraddr   (struct socket *, struct sockaddr **);
 203 int  ng_btsocket_l2cap_send       (struct socket *, int, struct mbuf *,
 204                                    struct sockaddr *, struct mbuf *,
 205                                    struct thread *);
 206 int  ng_btsocket_l2cap_sockaddr   (struct socket *, struct sockaddr **);
 207
 208 #endif /* _KERNEL */
 209
 210 #endif /* _NETGRAPH_BTSOCKET_L2CAP_H_ */
 211