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/* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
driver-specific utilities) */
/* Written 1997-1999 by Werner Almesberger, EPFL LRC/ICA */
#ifndef LINUX_ATM_TCP_H
#define LINUX_ATM_TCP_H
#ifdef __KERNEL__
#include <linux/types.h>
#endif
#include <linux/atmioc.h>
/*
* All values in struct atmtcp_hdr are in network byte order
*/
struct atmtcp_hdr {
uint16_t vpi;
uint16_t vci;
uint32_t 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 */
unsigned long vcc; /* both directions */
struct sockaddr_atmpvc addr; /* suggested value from kernel */
struct atm_qos qos; /* both directions */
int result; /* to kernel only */
};
/*
* 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);
};
extern struct atm_tcp_ops atm_tcp_ops;
#endif
#endif
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