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/* 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