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,
19		       as_itf_notify, as_modify, as_identify, as_terminate,
20		       as_addparty, as_dropparty };
21
22struct atmsvc_msg {
23	enum atmsvc_msg_type type;
24	atm_kptr_t vcc;
25	atm_kptr_t listen_vcc;		/* indicate */
26	int reply;			/* for okay and close:		   */
27					/*   < 0: error before active	   */
28					/*        (sigd has discarded ctx) */
29					/*   ==0: success		   */
30				        /*   > 0: error when active (still */
31					/*        need to close)	   */
32	struct sockaddr_atmpvc pvc;	/* indicate, okay (connect) */
33	struct sockaddr_atmsvc local;	/* local SVC address */
34	struct atm_qos qos;		/* QOS parameters */
35	struct atm_sap sap;		/* SAP */
36	unsigned int session;		/* for p2pm */
37	struct sockaddr_atmsvc svc;	/* SVC address */
38} __ATM_API_ALIGN;
39
40/*
41 * Message contents: see ftp://icaftp.epfl.ch/pub/linux/atm/docs/isp-*.tar.gz
42 */
43
44/*
45 * Some policy stuff for atmsigd and for net/atm/svc.c. Both have to agree on
46 * what PCR is used to request bandwidth from the device driver. net/atm/svc.c
47 * tries to do better than that, but only if there's no routing decision (i.e.
48 * if signaling only uses one ATM interface).
49 */
50
51#define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pcr : \
52  (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR ? (tp).max_pcr : \
53  (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR)
54
55#endif
56