1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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 | |
10 | #include <linux/types.h> |
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) */ |
39 | __be32 ip; /* IP address (act_need only) */ |
40 | }; |
41 | |
42 | #endif |
43 | |