/* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by

	       driver-specific utilities) */

/* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */

#ifndef LINUX_ATM_TCP_H

#define LINUX_ATM_TCP_H

#include <linux/atmapi.h>

#include <linux/atm.h>

#include <linux/atmioc.h>

#include <linux/types.h>

/*

 * All values in struct atmtcp_hdr are in network byte order

 */

struct atmtcp_hdr {

	__u16	vpi;

	__u16	vci;

	__u32	length;		/* ... of data part */

};

/*

 * All values in struct atmtcp_command are in host byte order

 */

#define ATMTCP_HDR_MAGIC	(~0)	/* this length indicates a command */

#define ATMTCP_CTRL_OPEN	1	/* request/reply */

#define ATMTCP_CTRL_CLOSE	2	/* request/reply */

struct atmtcp_control {

	struct atmtcp_hdr hdr;	/* must be first */

	int type;		/* message type; both directions */

	atm_kptr_t vcc;		/* both directions */

	struct sockaddr_atmpvc addr; /* suggested value from kernel */

	struct atm_qos	qos;	/* both directions */

	int result;		/* to kernel only */

} __ATM_API_ALIGN;

/*

 * Field usage:

 * Messge type	dir.	hdr.v?i	type	addr	qos	vcc	result

 * -----------  ----	------- ----	----	---	---	------

 * OPEN		K->D	Y	Y	Y	Y	Y	0

 * OPEN		D->K	-	Y	Y	Y	Y	Y

 * CLOSE	K->D	-	-	Y	-	Y	0

 * CLOSE	D->K	-	-	-	-	Y	Y

 */

#define SIOCSIFATMTCP	_IO('a',ATMIOC_ITF)	/* set ATMTCP mode */

#define ATMTCP_CREATE	_IO('a',ATMIOC_ITF+14)	/* create persistent ATMTCP

						   interface */

#define ATMTCP_REMOVE	_IO('a',ATMIOC_ITF+15)	/* destroy persistent ATMTCP

						   interface */

#ifdef __KERNEL__

struct atm_tcp_ops {

	int (*attach)(struct atm_vcc *vcc,int itf);

	int (*create_persistent)(int itf);

	int (*remove_persistent)(int itf);

	struct module *owner;

};

extern struct atm_tcp_ops atm_tcp_ops;

#endif

#endif