ng_btsocket_l2cap.h

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/*
 * ng_btsocket_l2cap.h
 */
 
/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: ng_btsocket_l2cap.h,v 1.4 2003/03/25 23:53:33 max Exp $
 * $FreeBSD$
 */
 
#ifndef _NETGRAPH_BTSOCKET_L2CAP_H_
#define _NETGRAPH_BTSOCKET_L2CAP_H_
 
/*
 * L2CAP routing entry
 */
 
struct ng_hook;
struct ng_message;
 
struct ng_btsocket_l2cap_rtentry {
        bdaddr_t                                 src;  /* source BD_ADDR */
        struct ng_hook                          *hook; /* downstream hook */
        LIST_ENTRY(ng_btsocket_l2cap_rtentry)    next; /* link to next */
};
typedef struct ng_btsocket_l2cap_rtentry        ng_btsocket_l2cap_rtentry_t;
typedef struct ng_btsocket_l2cap_rtentry *      ng_btsocket_l2cap_rtentry_p;
 
/*****************************************************************************
 *****************************************************************************
 **                          SOCK_RAW L2CAP sockets                         **
 *****************************************************************************
 *****************************************************************************/
 
#define NG_BTSOCKET_L2CAP_RAW_SENDSPACE NG_L2CAP_MTU_DEFAULT
#define NG_BTSOCKET_L2CAP_RAW_RECVSPACE NG_L2CAP_MTU_DEFAULT
 
/*
 * Bluetooth raw L2CAP socket PCB
 */
 
struct ng_btsocket_l2cap_raw_pcb {
        struct socket                           *so;    /* socket */
 
        u_int32_t                                flags; /* flags */
#define NG_BTSOCKET_L2CAP_RAW_PRIVILEGED        (1 << 0)
 
        bdaddr_t                                 src;   /* source address */
        bdaddr_t                                 dst;   /* dest address */
        uint8_t                                  srctype;/*source addr type*/
        uint8_t                                  dsttype;/*source addr type*/
        ng_btsocket_l2cap_rtentry_p              rt;    /* routing info */
 
        u_int32_t                                token; /* message token */
        struct ng_mesg                          *msg;   /* message */
 
        struct mtx                               pcb_mtx; /* pcb mutex */
 
        LIST_ENTRY(ng_btsocket_l2cap_raw_pcb)    next;  /* link to next PCB */
};
typedef struct ng_btsocket_l2cap_raw_pcb        ng_btsocket_l2cap_raw_pcb_t;
typedef struct ng_btsocket_l2cap_raw_pcb *      ng_btsocket_l2cap_raw_pcb_p;
 
#define so2l2cap_raw_pcb(so) \
        ((struct ng_btsocket_l2cap_raw_pcb *)((so)->so_pcb))
 
/*
 * Bluetooth raw L2CAP socket methods
 */
 
#ifdef _KERNEL
 
void ng_btsocket_l2cap_raw_abort      (struct socket *);
void ng_btsocket_l2cap_raw_close      (struct socket *);
int  ng_btsocket_l2cap_raw_attach     (struct socket *, int, struct thread *);
int  ng_btsocket_l2cap_raw_bind       (struct socket *, struct sockaddr *,
                                       struct thread *);
int  ng_btsocket_l2cap_raw_connect    (struct socket *, struct sockaddr *,
                                       struct thread *);
int  ng_btsocket_l2cap_raw_control    (struct socket *, u_long, caddr_t,
                                       struct ifnet *, struct thread *);
void ng_btsocket_l2cap_raw_detach     (struct socket *);
int  ng_btsocket_l2cap_raw_disconnect (struct socket *);
int  ng_btsocket_l2cap_raw_peeraddr   (struct socket *, struct sockaddr **);
int  ng_btsocket_l2cap_raw_send       (struct socket *, int, struct mbuf *,
                                       struct sockaddr *, struct mbuf *,
                                       struct thread *);
int  ng_btsocket_l2cap_raw_sockaddr   (struct socket *, struct sockaddr **);
 
#endif /* _KERNEL */
 
/*****************************************************************************
 *****************************************************************************
 **                    SOCK_SEQPACKET L2CAP sockets                         **
 *****************************************************************************
 *****************************************************************************/
 
#define NG_BTSOCKET_L2CAP_SENDSPACE     NG_L2CAP_MTU_DEFAULT /* (64 * 1024) */
#define NG_BTSOCKET_L2CAP_RECVSPACE     (64 * 1024)
 
/*
 * Bluetooth L2CAP socket PCB
 */
 
struct ng_btsocket_l2cap_pcb {
        struct socket                   *so;         /* Pointer to socket */
 
        bdaddr_t                         src;        /* Source address */
        bdaddr_t                         dst;        /* Destination address */
        uint8_t                          srctype;       /*source addr type*/
        uint8_t                          dsttype;       /*source addr type*/
 
        u_int16_t                        psm;        /* PSM */
        u_int16_t                        cid;        /* Local channel ID */
        uint8_t                          idtype;
        u_int16_t                        flags;      /* socket flags */
#define NG_BTSOCKET_L2CAP_CLIENT        (1 << 0)     /* socket is client */
#define NG_BTSOCKET_L2CAP_TIMO          (1 << 1)     /* timeout pending */
 
        u_int8_t                         state;      /* socket state */
#define NG_BTSOCKET_L2CAP_CLOSED        0            /* socket closed */
#define NG_BTSOCKET_L2CAP_CONNECTING    1            /* wait for connect */
#define NG_BTSOCKET_L2CAP_CONFIGURING   2            /* wait for config */
#define NG_BTSOCKET_L2CAP_OPEN          3            /* socket open */
#define NG_BTSOCKET_L2CAP_DISCONNECTING 4            /* wait for disconnect */
#define NG_BTSOCKET_L2CAP_W4_ENC_CHANGE 5  
 
        u_int8_t                         cfg_state;  /* config state */
#define NG_BTSOCKET_L2CAP_CFG_IN        (1 << 0)     /* incoming path done */
#define NG_BTSOCKET_L2CAP_CFG_OUT       (1 << 1)     /* outgoing path done */
#define NG_BTSOCKET_L2CAP_CFG_BOTH \
        (NG_BTSOCKET_L2CAP_CFG_IN | NG_BTSOCKET_L2CAP_CFG_OUT)
 
#define NG_BTSOCKET_L2CAP_CFG_IN_SENT   (1 << 2)     /* L2CAP ConfigReq sent */
#define NG_BTSOCKET_L2CAP_CFG_OUT_SENT  (1 << 3)     /* ---/--- */
        uint8_t                          encryption;
        u_int16_t                        imtu;       /* Incoming MTU */
        ng_l2cap_flow_t                  iflow;      /* Input flow spec */
 
        u_int16_t                        omtu;       /* Outgoing MTU */
        ng_l2cap_flow_t                  oflow;      /* Outgoing flow spec */
 
        u_int16_t                        flush_timo; /* flush timeout */   
        u_int16_t                        link_timo;  /* link timeout */ 
 
        struct callout                   timo;       /* timeout */
 
        u_int32_t                        token;      /* message token */
        ng_btsocket_l2cap_rtentry_p      rt;         /* routing info */
 
        struct mtx                       pcb_mtx;    /* pcb mutex */
        uint16_t                         need_encrypt; /*encryption needed*/
 
        LIST_ENTRY(ng_btsocket_l2cap_pcb) next;      /* link to next PCB */
};
typedef struct ng_btsocket_l2cap_pcb    ng_btsocket_l2cap_pcb_t;
typedef struct ng_btsocket_l2cap_pcb *  ng_btsocket_l2cap_pcb_p;
 
#define so2l2cap_pcb(so) \
        ((struct ng_btsocket_l2cap_pcb *)((so)->so_pcb))
 
/*
 * Bluetooth L2CAP socket methods
 */
 
#ifdef _KERNEL
 
void ng_btsocket_l2cap_abort      (struct socket *);
void ng_btsocket_l2cap_close      (struct socket *);
int  ng_btsocket_l2cap_accept     (struct socket *, struct sockaddr **);
int  ng_btsocket_l2cap_attach     (struct socket *, int, struct thread *);
int  ng_btsocket_l2cap_bind       (struct socket *, struct sockaddr *,
                                   struct thread *);
int  ng_btsocket_l2cap_connect    (struct socket *, struct sockaddr *,
                                   struct thread *);
int  ng_btsocket_l2cap_control    (struct socket *, u_long, caddr_t,
                                   struct ifnet *, struct thread *);
int  ng_btsocket_l2cap_ctloutput  (struct socket *, struct sockopt *);
void ng_btsocket_l2cap_detach     (struct socket *);
int  ng_btsocket_l2cap_disconnect (struct socket *);
int  ng_btsocket_l2cap_listen     (struct socket *, int, struct thread *);
int  ng_btsocket_l2cap_peeraddr   (struct socket *, struct sockaddr **);
int  ng_btsocket_l2cap_send       (struct socket *, int, struct mbuf *,
                                   struct sockaddr *, struct mbuf *,
                                   struct thread *);
int  ng_btsocket_l2cap_sockaddr   (struct socket *, struct sockaddr **);
 
#endif /* _KERNEL */
 
#endif /* _NETGRAPH_BTSOCKET_L2CAP_H_ */