/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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#ifndef __LINUX_ATALK_H__

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#define __LINUX_ATALK_H__

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#include <linux/types.h>

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#include <asm/byteorder.h>

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#include <linux/socket.h>

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/*

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* AppleTalk networking structures

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*

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* The following are directly referenced from the University Of Michigan

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* netatalk for compatibility reasons.

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*/

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#define ATPORT_FIRST 1

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#define ATPORT_RESERVED 128

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#define ATPORT_LAST 254 /* 254 is only legal on localtalk */

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#define ATADDR_ANYNET (__u16)0

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#define ATADDR_ANYNODE (__u8)0

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#define ATADDR_ANYPORT (__u8)0

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#define ATADDR_BCAST (__u8)255

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#define DDP_MAXSZ 587

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#define DDP_MAXHOPS 15 /* 4 bits of hop counter */

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#define SIOCATALKDIFADDR (SIOCPROTOPRIVATE + 0)

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struct atalk_addr {

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__be16 s_net;

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__u8 s_node;

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};

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struct sockaddr_at {

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__kernel_sa_family_t sat_family;

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__u8 sat_port;

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struct atalk_addr sat_addr;

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char sat_zero[8];

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};

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struct atalk_netrange {

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__u8 nr_phase;

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__be16 nr_firstnet;

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__be16 nr_lastnet;

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};

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#endif /* __LINUX_ATALK_H__ */

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