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-rw-r--r--include/linux/atmsvc.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/atmsvc.h b/include/linux/atmsvc.h
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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