sys/netproto/atm/atm_vc.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_vc.h,v 1.2 1999/08/28 00:48:39 peter Exp $
  27  *      @(#) $DragonFly: src/sys/netproto/atm/atm_vc.h,v 1.2 2003/06/17 04:28:49 dillon Exp $
  28  *
  29  */
  30
  31 /*
  32  * Core ATM Services
  33  * -----------------
  34  *
  35  * ATM Virtual Channel definitions
  36  *
  37  */
  38
  39 #ifndef _NETATM_ATM_VC_H
  40 #define _NETATM_ATM_VC_H
  41
  42
  43 #ifdef ATM_KERNEL
  44 /*
  45  * ATM Virtual Channel Connection control block.  All vccb's are created
  46  * and controlled by an ATM signalling manager.  Each ATM signalling
  47  * protocol will also have its own protocol-specific vccb format.  Each
  48  * of these protocol vccb's must have this common block at the beginning.
  49  */
  50 struct vccb {
  51         u_char          vc_type;        /* VCC type (see below) */
  52         u_char          vc_proto;       /* Signalling protocol */
  53         u_char          vc_sstate;      /* Signalling state (sigmgr specific) */
  54         u_char          vc_ustate;      /* User interface state (see below) */
  55         struct atm_pif  *vc_pif;        /* Physical interface */
  56         struct atm_nif  *vc_nif;        /* Network interface */
  57         Qelem_t         vc_sigelem;     /* Signalling instance vccb queue */
  58         struct atm_time vc_time;        /* Timer controls */
  59         u_short         vc_vpi;         /* Virtual Path Identifier */
  60         u_short         vc_vci;         /* Virtual Channel Identifier */
  61         Atm_connvc      *vc_connvc;     /* CM connection VCC instance */
  62         long            vc_ipdus;       /* PDUs received from VCC */
  63         long            vc_opdus;       /* PDUs sent to VCC */
  64         long            vc_ibytes;      /* Bytes received from VCC */
  65         long            vc_obytes;      /* Bytes sent to VCC */
  66         long            vc_ierrors;     /* Errors receiving from VCC */
  67         long            vc_oerrors;     /* Errors sending to VCC */
  68         time_t          vc_tstamp;      /* State transition timestamp */
  69 };
  70 #endif  /* ATM_KERNEL */
  71
  72 /*
  73  * VCC Types
  74  */
  75 #define VCC_PVC         0x01            /* PVC (Permanent Virtual Channel) */
  76 #define VCC_SVC         0x02            /* SVC (Switched Virtual Channel) */
  77 #define VCC_IN          0x04            /* Inbound VCC */
  78 #define VCC_OUT         0x08            /* Outbound VCC */
  79
  80 /*
  81  * VCC Signalling-to-User Interface States
  82  */
  83 #define VCCU_NULL       0               /* No state */
  84 #define VCCU_POPEN      1               /* Pending open completion */
  85 #define VCCU_OPEN       2               /* Connection is open */
  86 #define VCCU_CLOSED     3               /* Connection has been terminated */
  87 #define VCCU_ABORT      4               /* Connection being aborted */
  88
  89
  90 #endif  /* _NETATM_ATM_VC_H */