1 #ifndef _UAPI__LINUX_ATALK_H__
2 #define _UAPI__LINUX_ATALK_H__
3 
4 #include <linux/types.h>
5 #include <asm/byteorder.h>
6 #include <linux/socket.h>
7 
8 /*
9  * AppleTalk networking structures
10  *
11  * The following are directly referenced from the University Of Michigan
12  * netatalk for compatibility reasons.
13  */
14 #define ATPORT_FIRST	1
15 #define ATPORT_RESERVED	128
16 #define ATPORT_LAST	254		/* 254 is only legal on localtalk */
17 #define ATADDR_ANYNET	(__u16)0
18 #define ATADDR_ANYNODE	(__u8)0
19 #define ATADDR_ANYPORT  (__u8)0
20 #define ATADDR_BCAST	(__u8)255
21 #define DDP_MAXSZ	587
22 #define DDP_MAXHOPS     15		/* 4 bits of hop counter */
23 
24 #define SIOCATALKDIFADDR       (SIOCPROTOPRIVATE + 0)
25 
26 struct atalk_addr {
27 	__be16	s_net;
28 	__u8	s_node;
29 };
30 
31 struct sockaddr_at {
32 	__kernel_sa_family_t sat_family;
33 	__u8		  sat_port;
34 	struct atalk_addr sat_addr;
35 	char		  sat_zero[8];
36 };
37 
38 struct atalk_netrange {
39 	__u8	nr_phase;
40 	__be16	nr_firstnet;
41 	__be16	nr_lastnet;
42 };
43 
44 #endif /* _UAPI__LINUX_ATALK_H__ */
45