1 | /* |
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2 | * dhcpcd - DHCP client daemon |
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3 | * Copyright (c) 2006-2013 Roy Marples <roy@marples.name> |
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4 | * All rights reserved |
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5 | |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * |
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15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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25 | * SUCH DAMAGE. |
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26 | */ |
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27 | |
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28 | #ifndef INTERFACE_H |
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29 | #define INTERFACE_H |
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30 | |
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31 | #include <sys/socket.h> |
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32 | |
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33 | #include <net/if.h> |
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34 | #include <netinet/in.h> |
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35 | #include <netinet/if_ether.h> |
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36 | |
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37 | #include "config.h" |
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38 | #include "dhcp.h" |
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39 | #include "dhcpcd.h" |
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40 | #include "ipv6.h" |
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41 | |
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42 | /* Some systems have route metrics */ |
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43 | #ifndef HAVE_ROUTE_METRIC |
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44 | # ifdef __linux__ |
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45 | # define HAVE_ROUTE_METRIC 1 |
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46 | # endif |
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47 | # ifndef HAVE_ROUTE_METRIC |
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48 | # define HAVE_ROUTE_METRIC 0 |
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49 | # endif |
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50 | #endif |
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51 | |
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52 | #ifndef DUID_LEN |
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53 | # define DUID_LEN 128 + 2 |
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54 | #endif |
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55 | |
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56 | #define EUI64_ADDR_LEN 8 |
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57 | #define INFINIBAND_ADDR_LEN 20 |
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58 | |
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59 | /* Linux 2.4 doesn't define this */ |
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60 | #ifndef ARPHRD_IEEE1394 |
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61 | # define ARPHRD_IEEE1394 24 |
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62 | #endif |
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63 | |
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64 | /* The BSD's don't define this yet */ |
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65 | #ifndef ARPHRD_INFINIBAND |
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66 | # define ARPHRD_INFINIBAND 32 |
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67 | #endif |
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68 | |
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69 | /* Work out if we have a private address or not |
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70 | * 10/8 |
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71 | * 172.16/12 |
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72 | * 192.168/16 |
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73 | */ |
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74 | #ifndef IN_PRIVATE |
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75 | # define IN_PRIVATE(addr) (((addr & IN_CLASSA_NET) == 0x0a000000) || \ |
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76 | ((addr & 0xfff00000) == 0xac100000) || \ |
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77 | ((addr & IN_CLASSB_NET) == 0xc0a80000)) |
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78 | #endif |
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79 | |
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80 | #define LINKLOCAL_ADDR 0xa9fe0000 |
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81 | #define LINKLOCAL_MASK IN_CLASSB_NET |
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82 | #define LINKLOCAL_BRDC (LINKLOCAL_ADDR | ~LINKLOCAL_MASK) |
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83 | |
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84 | #ifndef IN_LINKLOCAL |
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85 | # define IN_LINKLOCAL(addr) ((addr & IN_CLASSB_NET) == LINKLOCAL_ADDR) |
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86 | #endif |
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87 | |
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88 | extern int socket_afnet; |
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89 | |
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90 | int open_sockets(void); |
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91 | |
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92 | char *hwaddr_ntoa(const unsigned char *, size_t); |
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93 | size_t hwaddr_aton(unsigned char *, const char *); |
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94 | |
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95 | int getifssid(const char *, char *); |
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96 | int if_vimaster(const char *); |
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97 | struct if_head *discover_interfaces(int, char * const *); |
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98 | void free_interface(struct interface *); |
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99 | int do_mtu(const char *, short int); |
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100 | #define get_mtu(iface) do_mtu(iface, 0) |
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101 | #define set_mtu(iface, mtu) do_mtu(iface, mtu) |
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102 | |
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103 | int up_interface(struct interface *); |
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104 | int if_conf(struct interface *); |
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105 | int if_init(struct interface *); |
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106 | |
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107 | int open_link_socket(void); |
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108 | int manage_link(int); |
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109 | int carrier_status(struct interface *); |
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110 | #endif |
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