Linux Kernel  3.7.1
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atmarp.h
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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 #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 
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