mirror of
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106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/*
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* dhcpcd - DHCP client daemon
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* Copyright (c) 2006-2014 Roy Marples <roy@marples.name>
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* All rights reserved
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef INTERFACE_H
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#define INTERFACE_H
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include "config.h"
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#include "dhcp.h"
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#include "dhcpcd.h"
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#include "ipv6.h"
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/* Some systems have route metrics */
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#ifndef HAVE_ROUTE_METRIC
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# ifdef __linux__
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# define HAVE_ROUTE_METRIC 1
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# endif
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# ifndef HAVE_ROUTE_METRIC
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# define HAVE_ROUTE_METRIC 0
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# endif
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#endif
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#ifndef DUID_LEN
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# define DUID_LEN 128 + 2
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#endif
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#define EUI64_ADDR_LEN 8
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#define INFINIBAND_ADDR_LEN 20
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/* Linux 2.4 doesn't define this */
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#ifndef ARPHRD_IEEE1394
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# define ARPHRD_IEEE1394 24
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#endif
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/* The BSD's don't define this yet */
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#ifndef ARPHRD_INFINIBAND
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# define ARPHRD_INFINIBAND 32
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#endif
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/* Work out if we have a private address or not
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* 10/8
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* 172.16/12
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* 192.168/16
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*/
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#ifndef IN_PRIVATE
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# define IN_PRIVATE(addr) (((addr & IN_CLASSA_NET) == 0x0a000000) || \
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((addr & 0xfff00000) == 0xac100000) || \
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((addr & IN_CLASSB_NET) == 0xc0a80000))
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#endif
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#define LINKLOCAL_ADDR 0xa9fe0000
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#define LINKLOCAL_MASK IN_CLASSB_NET
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#define LINKLOCAL_BRDC (LINKLOCAL_ADDR | ~LINKLOCAL_MASK)
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#ifndef IN_LINKLOCAL
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# define IN_LINKLOCAL(addr) ((addr & IN_CLASSB_NET) == LINKLOCAL_ADDR)
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#endif
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char *hwaddr_ntoa(const unsigned char *, size_t);
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size_t hwaddr_aton(unsigned char *, const char *);
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int getifssid(const char *, char *);
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int if_vimaster(const char *);
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struct if_head *discover_interfaces(int, char * const *);
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void free_interface(struct interface *);
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int do_mtu(const char *, short int);
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#define get_mtu(iface) do_mtu(iface, 0)
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#define set_mtu(iface, mtu) do_mtu(iface, mtu)
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int if_conf(struct interface *);
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int if_init(struct interface *);
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int open_link_socket(void);
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int manage_link(int);
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int carrier_status(struct interface *);
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#endif
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