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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
1da177e4 LT |
2 | /* atmarp.h - ATM ARP protocol and kernel-demon interface definitions */ |
3 | ||
4 | /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ | |
5 | ||
6 | ||
7 | #ifndef _LINUX_ATMARP_H | |
8 | #define _LINUX_ATMARP_H | |
9 | ||
1da177e4 | 10 | #include <linux/types.h> |
1da177e4 LT |
11 | #include <linux/atmapi.h> |
12 | #include <linux/atmioc.h> | |
13 | ||
14 | ||
15 | #define ATMARP_RETRY_DELAY 30 /* request next resolution or forget | |
16 | NAK after 30 sec - should go into | |
17 | atmclip.h */ | |
18 | #define ATMARP_MAX_UNRES_PACKETS 5 /* queue that many packets while | |
19 | waiting for the resolver */ | |
20 | ||
21 | ||
22 | #define ATMARPD_CTRL _IO('a',ATMIOC_CLIP+1) /* become atmarpd ctrl sock */ | |
23 | #define ATMARP_MKIP _IO('a',ATMIOC_CLIP+2) /* attach socket to IP */ | |
24 | #define ATMARP_SETENTRY _IO('a',ATMIOC_CLIP+3) /* fill or hide ARP entry */ | |
25 | #define ATMARP_ENCAP _IO('a',ATMIOC_CLIP+5) /* change encapsulation */ | |
26 | ||
27 | ||
28 | enum atmarp_ctrl_type { | |
29 | act_invalid, /* catch uninitialized structures */ | |
30 | act_need, /* need address resolution */ | |
31 | act_up, /* interface is coming up */ | |
32 | act_down, /* interface is going down */ | |
33 | act_change /* interface configuration has changed */ | |
34 | }; | |
35 | ||
36 | struct atmarp_ctrl { | |
37 | enum atmarp_ctrl_type type; /* message type */ | |
38 | int itf_num;/* interface number (if present) */ | |
30d492da | 39 | __be32 ip; /* IP address (act_need only) */ |
1da177e4 LT |
40 | }; |
41 | ||
42 | #endif |