1/* atmsvc.h - ATM signaling kernel-demon interface definitions */
2
3/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
4
5
6#ifndef _LINUX_ATMSVC_H
7#define _LINUX_ATMSVC_H
8
9#include <linux/atmapi.h>
10#include <linux/atm.h>
11#include <linux/atmioc.h>
12
13
14#define ATMSIGD_CTRL _IO('a',ATMIOC_SPECIAL)
15				/* become ATM signaling demon control socket */
16
17enum atmsvc_msg_type { as_catch_null,as_bind,as_connect,as_accept,as_reject,
18  as_listen,as_okay,as_error,as_indicate,as_close,as_itf_notify,
19  as_modify,as_identify,as_terminate };
20
21struct atmsvc_msg {
22	enum atmsvc_msg_type type;
23	atm_kptr_t vcc;
24	atm_kptr_t listen_vcc;		/* indicate */
25	int reply;			/* for okay and close:		   */
26					/*   < 0: error before active	   */
27					/*        (sigd has discarded ctx) */
28					/*   ==0: success		   */
29				        /*   > 0: error when active (still */
30					/*        need to close)	   */
31	struct sockaddr_atmpvc pvc;	/* indicate, okay (connect) */
32	struct sockaddr_atmsvc local;	/* local SVC address */
33	struct atm_qos qos;		/* QOS parameters */
34	struct atm_sap sap;		/* SAP */
35	unsigned int session;		/* for p2pm */
36	struct sockaddr_atmsvc svc;	/* SVC address */
37} __ATM_API_ALIGN;
38
39/*
40 * Message contents: see ftp://icaftp.epfl.ch/pub/linux/atm/docs/isp-*.tar.gz
41 */
42
43/*
44 * Some policy stuff for atmsigd and for net/atm/svc.c. Both have to agree on
45 * what PCR is used to request bandwidth from the device driver. net/atm/svc.c
46 * tries to do better than that, but only if there's no routing decision (i.e.
47 * if signaling only uses one ATM interface).
48 */
49
50#define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pcr : \
51  (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR ? (tp).max_pcr : \
52  (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR)
53
54#endif
55