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-rw-r--r--dhcpcd/net.h110
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diff --git a/dhcpcd/net.h b/dhcpcd/net.h
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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