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01: /* atmarp.h - ATM ARP protocol and kernel-demon interface definitions */
02:  
03: /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
04:  
05: 
06: #ifndef _LINUX_ATMARP_H
07: #define _LINUX_ATMARP_H
08: 
09: #include <linux/types.h>
10: #include <linux/atmapi.h>
11: #include <linux/atmioc.h>
12: 
13: 
14: #define ATMARP_RETRY_DELAY 30           /* request next resolution or forget
15:                                            NAK after 30 sec - should go into
16:                                            atmclip.h */
17: #define ATMARP_MAX_UNRES_PACKETS 5      /* queue that many packets while
18:                                            waiting for the resolver */
19: 
20: 
21: #define ATMARPD_CTRL    _IO('a',ATMIOC_CLIP+1)  /* become atmarpd ctrl sock */
22: #define ATMARP_MKIP     _IO('a',ATMIOC_CLIP+2)  /* attach socket to IP */
23: #define ATMARP_SETENTRY _IO('a',ATMIOC_CLIP+3)  /* fill or hide ARP entry */
24: #define ATMARP_ENCAP    _IO('a',ATMIOC_CLIP+5)  /* change encapsulation */
25: 
26: 
27: enum atmarp_ctrl_type {
28:         act_invalid,            /* catch uninitialized structures */
29:         act_need,               /* need address resolution */
30:         act_up,                 /* interface is coming up */
31:         act_down,               /* interface is going down */
32:         act_change              /* interface configuration has changed */
33: };
34: 
35: struct atmarp_ctrl {
36:         enum atmarp_ctrl_type   type;   /* message type */
37:         int                     itf_num;/* interface number (if present) */
38:         __be32                  ip;     /* IP address (act_need only) */
39: };
40: 
41: #endif
42: 

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