sys/netproto/atm/atm_sigmgr.h

   1 /*
   2  *
   3  * ===================================
   4  * HARP  |  Host ATM Research Platform
   5  * ===================================
   6  *
   7  *
   8  * This Host ATM Research Platform ("HARP") file (the "Software") is
   9  * made available by Network Computing Services, Inc. ("NetworkCS")
  10  * "AS IS".  NetworkCS does not provide maintenance, improvements or
  11  * support of any kind.
  12  *
  13  * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
  14  * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
  15  * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
  16  * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
  17  * In no event shall NetworkCS be responsible for any damages, including
  18  * but not limited to consequential damages, arising from or relating to
  19  * any use of the Software or related support.
  20  *
  21  * Copyright 1994-1998 Network Computing Services, Inc.
  22  *
  23  * Copies of this Software may be made, however, the above copyright
  24  * notice must be reproduced on all copies.
  25  *
  26  *      @(#) $FreeBSD: src/sys/netatm/atm_sigmgr.h,v 1.2 1999/08/28 00:48:37 peter Exp $
  27  *      @(#) $DragonFly: src/sys/netproto/atm/atm_sigmgr.h,v 1.3 2003/08/23 10:06:21 rob Exp $
  28  *
  29  */
  30
  31 /*
  32  * Core ATM Services
  33  * -----------------
  34  *
  35  * ATM Signalling Manager definitions
  36  *
  37  */
  38
  39 #ifndef _NETATM_ATM_SIGMGR_H
  40 #define _NETATM_ATM_SIGMGR_H
  41
  42 #ifdef ATM_KERNEL
  43 /*
  44  * Structure common to all ATM Signalling Managers.  Each Signalling
  45  * Manager must create one of these and use it to register itself
  46  * with the system.
  47  */
  48 struct  sigmgr {
  49         struct sigmgr   *sm_next;       /* Next registered sigmgr */
  50         u_char          sm_proto;       /* Signalling protocol (see below) */
  51         struct siginst  *sm_prinst;     /* List of protocol instances */
  52 /* Exported functions */
  53         int             (*sm_attach)    /* Attach interface */
  54                                 (struct sigmgr *, struct atm_pif *);
  55         int             (*sm_detach)    /* Detach interface */
  56                                 (struct atm_pif *);
  57         int             (*sm_setup)     /* Connection setup */
  58                                 (Atm_connvc *, int *);
  59         int             (*sm_accept)    /* Call accepted */
  60                                 (struct vccb *, int *);
  61         int             (*sm_reject)    /* Call rejected */
  62                                 (struct vccb *, int *);
  63         int             (*sm_release)   /* Connection release */
  64                                 (struct vccb *, int *);
  65         int             (*sm_free)      /* Free connection resources */
  66                                 (struct vccb *);
  67         int             (*sm_ioctl)     /* Ioctl handler */
  68                                 (int, caddr_t, caddr_t);
  69 };
  70 #endif  /* ATM_KERNEL */
  71
  72 /*
  73  * ATM Signalling Protocols
  74  */
  75 #define ATM_SIG_PVC     1               /* PVC-only */
  76 #define ATM_SIG_SPANS   2               /* Fore Systems SPANS */
  77 #define ATM_SIG_UNI30   3               /* ATM Forum UNI 3.0 */
  78 #define ATM_SIG_UNI31   4               /* ATM Forum UNI 3.1 */
  79 #define ATM_SIG_UNI40   5               /* ATM Forum UNI 4.0 */
  80
  81
  82 #ifdef ATM_KERNEL
  83 /*
  84  * Signalling Protocol Instance control block header.  Common header for
  85  * every signalling protocol instance control block.
  86  */
  87 struct  siginst {
  88         struct siginst  *si_next;       /* Next sigmgr protocol instance */
  89         struct atm_pif  *si_pif;        /* Device interface */
  90         Atm_addr        si_addr;        /* Interface ATM address */
  91         Atm_addr        si_subaddr;     /* Interface ATM subaddress */
  92         Queue_t         si_vccq;        /* VCCB queue */
  93         u_short         si_state;       /* Protocol state (sigmgr specific) */
  94
  95 /* Exported protocol services */
  96         struct ip_serv  *si_ipserv;     /* IP/ATM services */
  97 };
  98
  99
 100 /*
 101  * Sigmgr function return codes
 102  */
 103 #define CALL_PROCEEDING 1               /* Connection request is in progress */
 104 #define CALL_FAILED     2               /* Connection request failed */
 105 #define CALL_CONNECTED  3               /* Connection setup successful */
 106 #define CALL_CLEARED    4               /* Connection has been terminated */
 107
 108 #endif  /* ATM_KERNEL */
 109
 110 #endif  /* _NETATM_ATM_SIGMGR_H */