include/uapi/linux/atalk.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _UAPI__LINUX_ATALK_H__
   3 #define _UAPI__LINUX_ATALK_H__
   4
   5 #include <linux/types.h>
   6 #include <asm/byteorder.h>
   7 #include <linux/socket.h>
   8
   9 /*
  10  * AppleTalk networking structures
  11  *
  12  * The following are directly referenced from the University Of Michigan
  13  * netatalk for compatibility reasons.
  14  */
  15 #define ATPORT_FIRST    1
  16 #define ATPORT_RESERVED 128
  17 #define ATPORT_LAST     254             /* 254 is only legal on localtalk */
  18 #define ATADDR_ANYNET   (__u16)0
  19 #define ATADDR_ANYNODE  (__u8)0
  20 #define ATADDR_ANYPORT  (__u8)0
  21 #define ATADDR_BCAST    (__u8)255
  22 #define DDP_MAXSZ       587
  23 #define DDP_MAXHOPS     15              /* 4 bits of hop counter */
  24
  25 #define SIOCATALKDIFADDR       (SIOCPROTOPRIVATE + 0)
  26
  27 struct atalk_addr {
  28         __be16  s_net;
  29         __u8    s_node;
  30 };
  31
  32 struct sockaddr_at {
  33         __kernel_sa_family_t sat_family;
  34         __u8              sat_port;
  35         struct atalk_addr sat_addr;
  36         char              sat_zero[8];
  37 };
  38
  39 struct atalk_netrange {
  40         __u8    nr_phase;
  41         __be16  nr_firstnet;
  42         __be16  nr_lastnet;
  43 };
  44
  45 #endif /* _UAPI__LINUX_ATALK_H__ */