/* atmsvc.h - ATM signaling kernel-demon interface definitions */
   
  /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
   
  
  #ifndef _LINUX_ATMSVC_H
  #define _LINUX_ATMSVC_H
  
  #include <linux/atmapi.h>
  #include <linux/atm.h>
  #include <linux/atmioc.h>
  
  
  #define ATMSIGD_CTRL _IO('a',ATMIOC_SPECIAL)
  				/* become ATM signaling demon control socket */
  
  enum atmsvc_msg_type { as_catch_null, as_bind, as_connect, as_accept, as_reject,
  		       as_listen, as_okay, as_error, as_indicate, as_close,
  		       as_itf_notify, as_modify, as_identify, as_terminate,
  		       as_addparty, as_dropparty };
  
  struct atmsvc_msg {
  	enum atmsvc_msg_type type;
  	atm_kptr_t vcc;
  	atm_kptr_t listen_vcc;		/* indicate */
  	int reply;			/* for okay and close:		   */
  					/*   < 0: error before active	   */
  					/*        (sigd has discarded ctx) */
  					/*   ==0: success		   */
  				        /*   > 0: error when active (still */
  					/*        need to close)	   */
  	struct sockaddr_atmpvc pvc;	/* indicate, okay (connect) */
  	struct sockaddr_atmsvc local;	/* local SVC address */
  	struct atm_qos qos;		/* QOS parameters */
  	struct atm_sap sap;		/* SAP */
  	unsigned int session;		/* for p2pm */
  	struct sockaddr_atmsvc svc;	/* SVC address */
  } __ATM_API_ALIGN;
  
  /*
   * Message contents: see ftp://icaftp.epfl.ch/pub/linux/atm/docs/isp-*.tar.gz
   */
  
  /*
   * Some policy stuff for atmsigd and for net/atm/svc.c. Both have to agree on
   * what PCR is used to request bandwidth from the device driver. net/atm/svc.c
   * tries to do better than that, but only if there's no routing decision (i.e.
   * if signaling only uses one ATM interface).
   */
  
  #define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pcr : \
    (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR ? (tp).max_pcr : \
    (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR)
  
  #endif