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1/* atmarp.h - ATM ARP protocol and kernel-demon interface definitions */
2
3/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
4
5
6#ifndef _LINUX_ATMARP_H
7#define _LINUX_ATMARP_H
8
9#ifdef __KERNEL__
10#include <linux/types.h>
11#endif
12#include <linux/atmapi.h>
13#include <linux/atmioc.h>
14
15
16#define ATMARP_RETRY_DELAY 30 /* request next resolution or forget
17 NAK after 30 sec - should go into
18 atmclip.h */
19#define ATMARP_MAX_UNRES_PACKETS 5 /* queue that many packets while
20 waiting for the resolver */
21
22
23#define ATMARPD_CTRL _IO('a',ATMIOC_CLIP+1) /* become atmarpd ctrl sock */
24#define ATMARP_MKIP _IO('a',ATMIOC_CLIP+2) /* attach socket to IP */
25#define ATMARP_SETENTRY _IO('a',ATMIOC_CLIP+3) /* fill or hide ARP entry */
26#define ATMARP_ENCAP _IO('a',ATMIOC_CLIP+5) /* change encapsulation */
27
28
29enum atmarp_ctrl_type {
30 act_invalid, /* catch uninitialized structures */
31 act_need, /* need address resolution */
32 act_up, /* interface is coming up */
33 act_down, /* interface is going down */
34 act_change /* interface configuration has changed */
35};
36
37struct atmarp_ctrl {
38 enum atmarp_ctrl_type type; /* message type */
39 int itf_num;/* interface number (if present) */
40 uint32_t ip; /* IP address (act_need only) */
41};
42
43#endif