atm_tcp.h

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/* 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 _UAPILINUX_ATM_TCP_H
#define _UAPILINUX_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 */



#endif /* _UAPILINUX_ATM_TCP_H */