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/* atmarp.h - ATM ARP protocol and kernel-demon interface definitions */

/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */

#ifndef _LINUX_ATMARP_H

#define _LINUX_ATMARP_H

#ifdef __KERNEL__

#include <linux/types.h>

#endif

#include <linux/atmapi.h>

#include <linux/atmioc.h>

#define ATMARP_RETRY_DELAY 30           /* request next resolution or forget

                                           NAK after 30 sec - should go into

                                           atmclip.h */

#define ATMARP_MAX_UNRES_PACKETS 5      /* queue that many packets while

                                           waiting for the resolver */

#define ATMARPD_CTRL    _IO('a',ATMIOC_CLIP+1)  /* become atmarpd ctrl sock */

#define ATMARP_MKIP     _IO('a',ATMIOC_CLIP+2)  /* attach socket to IP */

#define ATMARP_SETENTRY _IO('a',ATMIOC_CLIP+3)  /* fill or hide ARP entry */

#define ATMARP_ENCAP    _IO('a',ATMIOC_CLIP+5)  /* change encapsulation */

enum atmarp_ctrl_type {

        act_invalid,            /* catch uninitialized structures */

        act_need,               /* need address resolution */

        act_up,                 /* interface is coming up */

        act_down,               /* interface is going down */

        act_change              /* interface configuration has changed */

};

struct atmarp_ctrl {

        enum atmarp_ctrl_type   type;   /* message type */

        int                     itf_num;/* interface number (if present) */

        uint32_t                ip;     /* IP address (act_need only) */

};

#endif