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/*
* dhcpcd - DHCP client daemon
* Copyright (c) 2006-2013 Roy Marples <roy@marples.name>
* All rights reserved
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef INTERFACE_H
#define INTERFACE_H
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include "config.h"
#include "dhcp.h"
#include "dhcpcd.h"
#include "ipv6.h"
/* Some systems have route metrics */
#ifndef HAVE_ROUTE_METRIC
# ifdef __linux__
# define HAVE_ROUTE_METRIC 1
# endif
# ifndef HAVE_ROUTE_METRIC
# define HAVE_ROUTE_METRIC 0
# endif
#endif
#ifndef DUID_LEN
# define DUID_LEN 128 + 2
#endif
#define EUI64_ADDR_LEN 8
#define INFINIBAND_ADDR_LEN 20
/* Linux 2.4 doesn't define this */
#ifndef ARPHRD_IEEE1394
# define ARPHRD_IEEE1394 24
#endif
/* The BSD's don't define this yet */
#ifndef ARPHRD_INFINIBAND
# define ARPHRD_INFINIBAND 32
#endif
/* Work out if we have a private address or not
* 10/8
* 172.16/12
* 192.168/16
*/
#ifndef IN_PRIVATE
# define IN_PRIVATE(addr) (((addr & IN_CLASSA_NET) == 0x0a000000) || \
((addr & 0xfff00000) == 0xac100000) || \
((addr & IN_CLASSB_NET) == 0xc0a80000))
#endif
#define LINKLOCAL_ADDR 0xa9fe0000
#define LINKLOCAL_MASK IN_CLASSB_NET
#define LINKLOCAL_BRDC (LINKLOCAL_ADDR | ~LINKLOCAL_MASK)
#ifndef IN_LINKLOCAL
# define IN_LINKLOCAL(addr) ((addr & IN_CLASSB_NET) == LINKLOCAL_ADDR)
#endif
extern int socket_afnet;
int open_sockets(void);
char *hwaddr_ntoa(const unsigned char *, size_t);
size_t hwaddr_aton(unsigned char *, const char *);
int getifssid(const char *, char *);
int if_vimaster(const char *);
struct if_head *discover_interfaces(int, char * const *);
void free_interface(struct interface *);
int do_mtu(const char *, short int);
#define get_mtu(iface) do_mtu(iface, 0)
#define set_mtu(iface, mtu) do_mtu(iface, mtu)
int up_interface(struct interface *);
int if_conf(struct interface *);
int if_init(struct interface *);
int open_link_socket(void);
int manage_link(int);
int carrier_status(struct interface *);
#endif
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