atm_tcp.h revision 30692c65c4174412c90e79489e98ab85c1a7412f 
1/* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
2	       driver-specific utilities) */
3
4/* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */
5
6
7#ifndef _UAPILINUX_ATM_TCP_H
8#define _UAPILINUX_ATM_TCP_H
9
10#include <linux/atmapi.h>
11#include <linux/atm.h>
12#include <linux/atmioc.h>
13#include <linux/types.h>
14
15
16/*
17 * All values in struct atmtcp_hdr are in network byte order
18 */
19
20struct atmtcp_hdr {
21	__u16	vpi;
22	__u16	vci;
23	__u32	length;		/* ... of data part */
24};
25
26/*
27 * All values in struct atmtcp_command are in host byte order
28 */
29
30#define ATMTCP_HDR_MAGIC	(~0)	/* this length indicates a command */
31#define ATMTCP_CTRL_OPEN	1	/* request/reply */
32#define ATMTCP_CTRL_CLOSE	2	/* request/reply */
33
34struct atmtcp_control {
35	struct atmtcp_hdr hdr;	/* must be first */
36	int type;		/* message type; both directions */
37	atm_kptr_t vcc;		/* both directions */
38	struct sockaddr_atmpvc addr; /* suggested value from kernel */
39	struct atm_qos	qos;	/* both directions */
40	int result;		/* to kernel only */
41} __ATM_API_ALIGN;
42
43/*
44 * Field usage:
45 * Messge type	dir.	hdr.v?i	type	addr	qos	vcc	result
46 * -----------  ----	------- ----	----	---	---	------
47 * OPEN		K->D	Y	Y	Y	Y	Y	0
48 * OPEN		D->K	-	Y	Y	Y	Y	Y
49 * CLOSE	K->D	-	-	Y	-	Y	0
50 * CLOSE	D->K	-	-	-	-	Y	Y
51 */
52
53#define SIOCSIFATMTCP	_IO('a',ATMIOC_ITF)	/* set ATMTCP mode */
54#define ATMTCP_CREATE	_IO('a',ATMIOC_ITF+14)	/* create persistent ATMTCP
55						   interface */
56#define ATMTCP_REMOVE	_IO('a',ATMIOC_ITF+15)	/* destroy persistent ATMTCP
57						   interface */
58
59
60
61#endif /* _UAPILINUX_ATM_TCP_H */
62