linux/net/ax25/ax25_addr.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *
 * Copyright (C) Jonathan Naylor G4KLX ([email protected])
 */
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/sockios.h>
#include <linux/net.h>
#include <net/ax25.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <net/sock.h>
#include <linux/uaccess.h>
#include <linux/fcntl.h>
#include <linux/mm.h>
#include <linux/interrupt.h>

/*
 * The default broadcast address of an interface is QST-0; the default address
 * is LINUX-1.  The null address is defined as a callsign of all spaces with
 * an SSID of zero.
 */

const ax25_address ax25_bcast = …;
const ax25_address ax25_defaddr = …;
const ax25_address null_ax25_address = …;

EXPORT_SYMBOL_GPL(…);
EXPORT_SYMBOL_GPL(…);
EXPORT_SYMBOL(…);

/*
 *	ax25 -> ascii conversion
 */
char *ax2asc(char *buf, const ax25_address *a)
{ … }

EXPORT_SYMBOL(…);

/*
 *	ascii -> ax25 conversion
 */
void asc2ax(ax25_address *addr, const char *callsign)
{ … }

EXPORT_SYMBOL(…);

/*
 *	Compare two ax.25 addresses
 */
int ax25cmp(const ax25_address *a, const ax25_address *b)
{ … }

EXPORT_SYMBOL(…);

/*
 *	Compare two AX.25 digipeater paths.
 */
int ax25digicmp(const ax25_digi *digi1, const ax25_digi *digi2)
{ … }

/*
 *	Given an AX.25 address pull of to, from, digi list, command/response and the start of data
 *
 */
const unsigned char *ax25_addr_parse(const unsigned char *buf, int len,
	ax25_address *src, ax25_address *dest, ax25_digi *digi, int *flags,
	int *dama)
{ … }

/*
 *	Assemble an AX.25 header from the bits
 */
int ax25_addr_build(unsigned char *buf, const ax25_address *src,
	const ax25_address *dest, const ax25_digi *d, int flag, int modulus)
{ … }

int ax25_addr_size(const ax25_digi *dp)
{ … }

/*
 *	Reverse Digipeat List. May not pass both parameters as same struct
 */
void ax25_digi_invert(const ax25_digi *in, ax25_digi *out)
{ … }