1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * stolen from net-tools-1.59 and stripped down for busybox by
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4 | * Erik Andersen <andersen@codepoet.org>
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5 | *
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6 | * Heavily modified by Manuel Novoa III Mar 12, 2001
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7 | *
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8 | * Added print_bytes_scaled function to reduce code size.
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9 | * Added some (potentially) missing defines.
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10 | * Improved display support for -a and for a named interface.
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11 | *
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12 | * -----------------------------------------------------------
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13 | *
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14 | * ifconfig This file contains an implementation of the command
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15 | * that either displays or sets the characteristics of
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16 | * one or more of the system's networking interfaces.
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17 | *
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18 | *
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19 | * Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
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20 | * and others. Copyright 1993 MicroWalt Corporation
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21 | *
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22 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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23 | *
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24 | * Patched to support 'add' and 'del' keywords for INET(4) addresses
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25 | * by Mrs. Brisby <mrs.brisby@nimh.org>
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26 | *
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27 | * {1.34} - 19980630 - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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28 | * - gettext instead of catgets for i18n
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29 | * 10/1998 - Andi Kleen. Use interface list primitives.
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30 | * 20001008 - Bernd Eckenfels, Patch from RH for setting mtu
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31 | * (default AF was wrong)
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32 | */
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33 |
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34 | #include <net/if.h>
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35 | #include <net/if_arp.h>
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36 | #include "inet_common.h"
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37 | #include "libbb.h"
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38 |
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39 | #if ENABLE_FEATURE_IPV6
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40 | # define HAVE_AFINET6 1
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41 | #else
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42 | # undef HAVE_AFINET6
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43 | #endif
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44 |
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45 | #define _PATH_PROCNET_DEV "/proc/net/dev"
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46 | #define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
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47 |
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48 | #ifdef HAVE_AFINET6
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49 |
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50 | #ifndef _LINUX_IN6_H
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51 | /*
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52 | * This is in linux/include/net/ipv6.h.
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53 | */
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54 |
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55 | struct in6_ifreq {
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56 | struct in6_addr ifr6_addr;
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57 | uint32_t ifr6_prefixlen;
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58 | unsigned int ifr6_ifindex;
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59 | };
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60 |
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61 | #endif
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62 |
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63 | #endif /* HAVE_AFINET6 */
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64 |
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65 | /* Defines for glibc2.0 users. */
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66 | #ifndef SIOCSIFTXQLEN
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67 | #define SIOCSIFTXQLEN 0x8943
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68 | #define SIOCGIFTXQLEN 0x8942
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69 | #endif
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70 |
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71 | /* ifr_qlen is ifru_ivalue, but it isn't present in 2.0 kernel headers */
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72 | #ifndef ifr_qlen
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73 | #define ifr_qlen ifr_ifru.ifru_mtu
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74 | #endif
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75 |
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76 | #ifndef HAVE_TXQUEUELEN
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77 | #define HAVE_TXQUEUELEN 1
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78 | #endif
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79 |
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80 | #ifndef IFF_DYNAMIC
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81 | #define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses */
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82 | #endif
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83 |
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84 | /* Display an Internet socket address. */
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85 | static const char *INET_sprint(struct sockaddr *sap, int numeric)
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86 | {
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87 | static char *buff;
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88 |
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89 | free(buff);
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90 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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91 | return "[NONE SET]";
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92 | buff = INET_rresolve((struct sockaddr_in *) sap, numeric, 0xffffff00);
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93 | return buff;
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94 | }
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95 |
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96 | #ifdef UNUSED_AND_BUGGY
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97 | static int INET_getsock(char *bufp, struct sockaddr *sap)
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98 | {
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99 | char *sp = bufp, *bp;
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100 | unsigned int i;
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101 | unsigned val;
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102 | struct sockaddr_in *sock_in;
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103 |
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104 | sock_in = (struct sockaddr_in *) sap;
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105 | sock_in->sin_family = AF_INET;
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106 | sock_in->sin_port = 0;
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107 |
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108 | val = 0;
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109 | bp = (char *) &val;
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110 | for (i = 0; i < sizeof(sock_in->sin_addr.s_addr); i++) {
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111 | *sp = toupper(*sp);
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112 |
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113 | if ((unsigned)(*sp - 'A') <= 5)
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114 | bp[i] |= (int) (*sp - ('A' - 10));
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115 | else if (isdigit(*sp))
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116 | bp[i] |= (int) (*sp - '0');
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117 | else
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118 | return -1;
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119 |
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120 | bp[i] <<= 4;
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121 | sp++;
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122 | *sp = toupper(*sp);
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123 |
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124 | if ((unsigned)(*sp - 'A') <= 5)
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125 | bp[i] |= (int) (*sp - ('A' - 10));
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126 | else if (isdigit(*sp))
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127 | bp[i] |= (int) (*sp - '0');
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128 | else
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129 | return -1;
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130 |
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131 | sp++;
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132 | }
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133 | sock_in->sin_addr.s_addr = htonl(val);
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134 |
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135 | return (sp - bufp);
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136 | }
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137 | #endif
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138 |
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139 | static int INET_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
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140 | {
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141 | return INET_resolve(bufp, (struct sockaddr_in *) sap, 0);
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142 | /*
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143 | switch (type) {
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144 | case 1:
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145 | return (INET_getsock(bufp, sap));
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146 | case 256:
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147 | return (INET_resolve(bufp, (struct sockaddr_in *) sap, 1));
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148 | default:
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149 | return (INET_resolve(bufp, (struct sockaddr_in *) sap, 0));
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150 | }
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151 | */
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152 | }
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153 |
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154 | static const struct aftype inet_aftype = {
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155 | .name = "inet",
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156 | .title = "DARPA Internet",
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157 | .af = AF_INET,
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158 | .alen = 4,
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159 | .sprint = INET_sprint,
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160 | .input = INET_input,
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161 | };
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162 |
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163 | #ifdef HAVE_AFINET6
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164 |
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165 | /* Display an Internet socket address. */
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166 | /* dirty! struct sockaddr usually doesn't suffer for inet6 addresses, fst. */
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167 | static const char *INET6_sprint(struct sockaddr *sap, int numeric)
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168 | {
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169 | static char *buff;
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170 |
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171 | free(buff);
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172 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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173 | return "[NONE SET]";
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174 | buff = INET6_rresolve((struct sockaddr_in6 *) sap, numeric);
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175 | return buff;
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176 | }
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177 |
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178 | #ifdef UNUSED
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179 | static int INET6_getsock(char *bufp, struct sockaddr *sap)
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180 | {
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181 | struct sockaddr_in6 *sin6;
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182 |
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183 | sin6 = (struct sockaddr_in6 *) sap;
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184 | sin6->sin6_family = AF_INET6;
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185 | sin6->sin6_port = 0;
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186 |
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187 | if (inet_pton(AF_INET6, bufp, sin6->sin6_addr.s6_addr) <= 0)
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188 | return -1;
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189 |
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190 | return 16; /* ?;) */
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191 | }
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192 | #endif
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193 |
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194 | static int INET6_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
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195 | {
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196 | return INET6_resolve(bufp, (struct sockaddr_in6 *) sap);
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197 | /*
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198 | switch (type) {
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199 | case 1:
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200 | return (INET6_getsock(bufp, sap));
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201 | default:
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202 | return (INET6_resolve(bufp, (struct sockaddr_in6 *) sap));
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203 | }
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204 | */
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205 | }
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206 |
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207 | static const struct aftype inet6_aftype = {
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208 | .name = "inet6",
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209 | .title = "IPv6",
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210 | .af = AF_INET6,
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211 | .alen = sizeof(struct in6_addr),
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212 | .sprint = INET6_sprint,
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213 | .input = INET6_input,
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214 | };
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215 |
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216 | #endif /* HAVE_AFINET6 */
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217 |
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218 | /* Display an UNSPEC address. */
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219 | static char *UNSPEC_print(unsigned char *ptr)
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220 | {
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221 | static char *buff;
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222 |
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223 | char *pos;
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224 | unsigned int i;
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225 |
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226 | if (!buff);
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227 | buff = xmalloc(sizeof(struct sockaddr) * 3 + 1);
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228 | pos = buff;
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229 | for (i = 0; i < sizeof(struct sockaddr); i++) {
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230 | /* careful -- not every libc's sprintf returns # bytes written */
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231 | sprintf(pos, "%02X-", (*ptr++ & 0377));
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232 | pos += 3;
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233 | }
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234 | /* Erase trailing "-". Works as long as sizeof(struct sockaddr) != 0 */
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235 | *--pos = '\0';
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236 | return buff;
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237 | }
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238 |
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239 | /* Display an UNSPEC socket address. */
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240 | static const char *UNSPEC_sprint(struct sockaddr *sap, int numeric)
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241 | {
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242 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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243 | return "[NONE SET]";
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244 | return UNSPEC_print((unsigned char *)sap->sa_data);
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245 | }
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246 |
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247 | static const struct aftype unspec_aftype = {
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248 | .name = "unspec",
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249 | .title = "UNSPEC",
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250 | .af = AF_UNSPEC,
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251 | .alen = 0,
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252 | .print = UNSPEC_print,
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253 | .sprint = UNSPEC_sprint,
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254 | };
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255 |
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256 | static const struct aftype *const aftypes[] = {
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257 | &inet_aftype,
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258 | #ifdef HAVE_AFINET6
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259 | &inet6_aftype,
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260 | #endif
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261 | &unspec_aftype,
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262 | NULL
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263 | };
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264 |
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265 | /* Check our protocol family table for this family. */
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266 | const struct aftype *get_aftype(const char *name)
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267 | {
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268 | const struct aftype *const *afp;
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269 |
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270 | afp = aftypes;
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271 | while (*afp != NULL) {
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272 | if (!strcmp((*afp)->name, name))
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273 | return (*afp);
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274 | afp++;
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275 | }
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276 | return NULL;
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277 | }
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278 |
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279 | /* Check our protocol family table for this family. */
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280 | static const struct aftype *get_afntype(int af)
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281 | {
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282 | const struct aftype *const *afp;
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283 |
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284 | afp = aftypes;
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285 | while (*afp != NULL) {
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286 | if ((*afp)->af == af)
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287 | return *afp;
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288 | afp++;
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289 | }
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290 | return NULL;
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291 | }
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292 |
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293 | struct user_net_device_stats {
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294 | unsigned long long rx_packets; /* total packets received */
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295 | unsigned long long tx_packets; /* total packets transmitted */
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296 | unsigned long long rx_bytes; /* total bytes received */
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297 | unsigned long long tx_bytes; /* total bytes transmitted */
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298 | unsigned long rx_errors; /* bad packets received */
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299 | unsigned long tx_errors; /* packet transmit problems */
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300 | unsigned long rx_dropped; /* no space in linux buffers */
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301 | unsigned long tx_dropped; /* no space available in linux */
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302 | unsigned long rx_multicast; /* multicast packets received */
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303 | unsigned long rx_compressed;
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304 | unsigned long tx_compressed;
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305 | unsigned long collisions;
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306 |
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307 | /* detailed rx_errors: */
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308 | unsigned long rx_length_errors;
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309 | unsigned long rx_over_errors; /* receiver ring buff overflow */
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310 | unsigned long rx_crc_errors; /* recved pkt with crc error */
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311 | unsigned long rx_frame_errors; /* recv'd frame alignment error */
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312 | unsigned long rx_fifo_errors; /* recv'r fifo overrun */
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313 | unsigned long rx_missed_errors; /* receiver missed packet */
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314 | /* detailed tx_errors */
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315 | unsigned long tx_aborted_errors;
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316 | unsigned long tx_carrier_errors;
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317 | unsigned long tx_fifo_errors;
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318 | unsigned long tx_heartbeat_errors;
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319 | unsigned long tx_window_errors;
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320 | };
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321 |
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322 | struct interface {
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323 | struct interface *next, *prev;
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324 | char name[IFNAMSIZ]; /* interface name */
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325 | short type; /* if type */
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326 | short flags; /* various flags */
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327 | int metric; /* routing metric */
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328 | int mtu; /* MTU value */
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329 | int tx_queue_len; /* transmit queue length */
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330 | struct ifmap map; /* hardware setup */
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331 | struct sockaddr addr; /* IP address */
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332 | struct sockaddr dstaddr; /* P-P IP address */
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333 | struct sockaddr broadaddr; /* IP broadcast address */
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334 | struct sockaddr netmask; /* IP network mask */
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335 | int has_ip;
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336 | char hwaddr[32]; /* HW address */
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337 | int statistics_valid;
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338 | struct user_net_device_stats stats; /* statistics */
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339 | int keepalive; /* keepalive value for SLIP */
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340 | int outfill; /* outfill value for SLIP */
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341 | };
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342 |
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343 |
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344 | smallint interface_opt_a; /* show all interfaces */
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345 |
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346 | static struct interface *int_list, *int_last;
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347 |
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348 |
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349 | #if 0
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350 | /* like strcmp(), but knows about numbers */
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351 | except that the freshly added calls to xatoul() brf on ethernet aliases with
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352 | uClibc with e.g.: ife->name='lo' name='eth0:1'
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353 | static int nstrcmp(const char *a, const char *b)
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354 | {
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355 | const char *a_ptr = a;
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356 | const char *b_ptr = b;
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357 |
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358 | while (*a == *b) {
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359 | if (*a == '\0') {
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360 | return 0;
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361 | }
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362 | if (!isdigit(*a) && isdigit(*(a+1))) {
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363 | a_ptr = a+1;
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364 | b_ptr = b+1;
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365 | }
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366 | a++;
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367 | b++;
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368 | }
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369 |
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370 | if (isdigit(*a) && isdigit(*b)) {
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371 | return xatoul(a_ptr) > xatoul(b_ptr) ? 1 : -1;
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372 | }
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373 | return *a - *b;
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374 | }
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375 | #endif
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376 |
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377 | static struct interface *add_interface(char *name)
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378 | {
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379 | struct interface *ife, **nextp, *new;
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380 |
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381 | for (ife = int_last; ife; ife = ife->prev) {
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382 | int n = /*n*/strcmp(ife->name, name);
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383 |
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384 | if (n == 0)
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385 | return ife;
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386 | if (n < 0)
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387 | break;
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388 | }
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389 |
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390 | new = xzalloc(sizeof(*new));
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391 | safe_strncpy(new->name, name, IFNAMSIZ);
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392 | nextp = ife ? &ife->next : &int_list;
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393 | new->prev = ife;
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394 | new->next = *nextp;
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395 | if (new->next)
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396 | new->next->prev = new;
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397 | else
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398 | int_last = new;
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399 | *nextp = new;
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400 | return new;
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401 | }
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402 |
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403 | static char *get_name(char *name, char *p)
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404 | {
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405 | /* Extract <name> from nul-terminated p where p matches
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406 | <name>: after leading whitespace.
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407 | If match is not made, set name empty and return unchanged p */
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408 | int namestart=0, nameend=0;
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409 | while (isspace(p[namestart]))
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410 | namestart++;
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411 | nameend=namestart;
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412 | while (p[nameend] && p[nameend]!=':' && !isspace(p[nameend]))
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413 | nameend++;
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414 | if (p[nameend]==':') {
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415 | if ((nameend-namestart)<IFNAMSIZ) {
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416 | memcpy(name,&p[namestart],nameend-namestart);
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417 | name[nameend-namestart]='\0';
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418 | p=&p[nameend];
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419 | } else {
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420 | /* Interface name too large */
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421 | name[0]='\0';
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422 | }
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423 | } else {
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424 | /* trailing ':' not found - return empty */
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425 | name[0]='\0';
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426 | }
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427 | return p + 1;
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428 | }
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429 |
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430 | /* If scanf supports size qualifiers for %n conversions, then we can
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431 | * use a modified fmt that simply stores the position in the fields
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432 | * having no associated fields in the proc string. Of course, we need
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433 | * to zero them again when we're done. But that is smaller than the
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434 | * old approach of multiple scanf occurrences with large numbers of
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435 | * args. */
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436 |
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437 | /* static const char *const ss_fmt[] = { */
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438 | /* "%lln%llu%lu%lu%lu%lu%ln%ln%lln%llu%lu%lu%lu%lu%lu", */
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439 | /* "%llu%llu%lu%lu%lu%lu%ln%ln%llu%llu%lu%lu%lu%lu%lu", */
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440 | /* "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu" */
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441 | /* }; */
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442 |
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443 | /* Lie about the size of the int pointed to for %n. */
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444 | #if INT_MAX == LONG_MAX
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445 | static const char *const ss_fmt[] = {
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446 | "%n%llu%u%u%u%u%n%n%n%llu%u%u%u%u%u",
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447 | "%llu%llu%u%u%u%u%n%n%llu%llu%u%u%u%u%u",
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448 | "%llu%llu%u%u%u%u%u%u%llu%llu%u%u%u%u%u%u"
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449 | };
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450 | #else
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451 | static const char *const ss_fmt[] = {
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452 | "%n%llu%lu%lu%lu%lu%n%n%n%llu%lu%lu%lu%lu%lu",
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453 | "%llu%llu%lu%lu%lu%lu%n%n%llu%llu%lu%lu%lu%lu%lu",
|
---|
454 | "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu"
|
---|
455 | };
|
---|
456 |
|
---|
457 | #endif
|
---|
458 |
|
---|
459 | static void get_dev_fields(char *bp, struct interface *ife, int procnetdev_vsn)
|
---|
460 | {
|
---|
461 | memset(&ife->stats, 0, sizeof(struct user_net_device_stats));
|
---|
462 |
|
---|
463 | sscanf(bp, ss_fmt[procnetdev_vsn],
|
---|
464 | &ife->stats.rx_bytes, /* missing for 0 */
|
---|
465 | &ife->stats.rx_packets,
|
---|
466 | &ife->stats.rx_errors,
|
---|
467 | &ife->stats.rx_dropped,
|
---|
468 | &ife->stats.rx_fifo_errors,
|
---|
469 | &ife->stats.rx_frame_errors,
|
---|
470 | &ife->stats.rx_compressed, /* missing for <= 1 */
|
---|
471 | &ife->stats.rx_multicast, /* missing for <= 1 */
|
---|
472 | &ife->stats.tx_bytes, /* missing for 0 */
|
---|
473 | &ife->stats.tx_packets,
|
---|
474 | &ife->stats.tx_errors,
|
---|
475 | &ife->stats.tx_dropped,
|
---|
476 | &ife->stats.tx_fifo_errors,
|
---|
477 | &ife->stats.collisions,
|
---|
478 | &ife->stats.tx_carrier_errors,
|
---|
479 | &ife->stats.tx_compressed /* missing for <= 1 */
|
---|
480 | );
|
---|
481 |
|
---|
482 | if (procnetdev_vsn <= 1) {
|
---|
483 | if (procnetdev_vsn == 0) {
|
---|
484 | ife->stats.rx_bytes = 0;
|
---|
485 | ife->stats.tx_bytes = 0;
|
---|
486 | }
|
---|
487 | ife->stats.rx_multicast = 0;
|
---|
488 | ife->stats.rx_compressed = 0;
|
---|
489 | ife->stats.tx_compressed = 0;
|
---|
490 | }
|
---|
491 | }
|
---|
492 |
|
---|
493 | static inline int procnetdev_version(char *buf)
|
---|
494 | {
|
---|
495 | if (strstr(buf, "compressed"))
|
---|
496 | return 2;
|
---|
497 | if (strstr(buf, "bytes"))
|
---|
498 | return 1;
|
---|
499 | return 0;
|
---|
500 | }
|
---|
501 |
|
---|
502 | static int if_readconf(void)
|
---|
503 | {
|
---|
504 | int numreqs = 30;
|
---|
505 | struct ifconf ifc;
|
---|
506 | struct ifreq *ifr;
|
---|
507 | int n, err = -1;
|
---|
508 | int skfd;
|
---|
509 |
|
---|
510 | ifc.ifc_buf = NULL;
|
---|
511 |
|
---|
512 | /* SIOCGIFCONF currently seems to only work properly on AF_INET sockets
|
---|
513 | (as of 2.1.128) */
|
---|
514 | skfd = socket(AF_INET, SOCK_DGRAM, 0);
|
---|
515 | if (skfd < 0) {
|
---|
516 | bb_perror_msg("error: no inet socket available");
|
---|
517 | return -1;
|
---|
518 | }
|
---|
519 |
|
---|
520 | for (;;) {
|
---|
521 | ifc.ifc_len = sizeof(struct ifreq) * numreqs;
|
---|
522 | ifc.ifc_buf = xrealloc(ifc.ifc_buf, ifc.ifc_len);
|
---|
523 |
|
---|
524 | if (ioctl_or_warn(skfd, SIOCGIFCONF, &ifc) < 0) {
|
---|
525 | goto out;
|
---|
526 | }
|
---|
527 | if (ifc.ifc_len == sizeof(struct ifreq) * numreqs) {
|
---|
528 | /* assume it overflowed and try again */
|
---|
529 | numreqs += 10;
|
---|
530 | continue;
|
---|
531 | }
|
---|
532 | break;
|
---|
533 | }
|
---|
534 |
|
---|
535 | ifr = ifc.ifc_req;
|
---|
536 | for (n = 0; n < ifc.ifc_len; n += sizeof(struct ifreq)) {
|
---|
537 | add_interface(ifr->ifr_name);
|
---|
538 | ifr++;
|
---|
539 | }
|
---|
540 | err = 0;
|
---|
541 |
|
---|
542 | out:
|
---|
543 | close(skfd);
|
---|
544 | free(ifc.ifc_buf);
|
---|
545 | return err;
|
---|
546 | }
|
---|
547 |
|
---|
548 | static int if_readlist_proc(char *target)
|
---|
549 | {
|
---|
550 | static smallint proc_read;
|
---|
551 |
|
---|
552 | FILE *fh;
|
---|
553 | char buf[512];
|
---|
554 | struct interface *ife;
|
---|
555 | int err, procnetdev_vsn;
|
---|
556 |
|
---|
557 | if (proc_read)
|
---|
558 | return 0;
|
---|
559 | if (!target)
|
---|
560 | proc_read = 1;
|
---|
561 |
|
---|
562 | fh = fopen(_PATH_PROCNET_DEV, "r");
|
---|
563 | if (!fh) {
|
---|
564 | bb_perror_msg("warning: cannot open %s, limiting output", _PATH_PROCNET_DEV);
|
---|
565 | return if_readconf();
|
---|
566 | }
|
---|
567 | fgets(buf, sizeof buf, fh); /* eat line */
|
---|
568 | fgets(buf, sizeof buf, fh);
|
---|
569 |
|
---|
570 | procnetdev_vsn = procnetdev_version(buf);
|
---|
571 |
|
---|
572 | err = 0;
|
---|
573 | while (fgets(buf, sizeof buf, fh)) {
|
---|
574 | char *s, name[128];
|
---|
575 |
|
---|
576 | s = get_name(name, buf);
|
---|
577 | ife = add_interface(name);
|
---|
578 | get_dev_fields(s, ife, procnetdev_vsn);
|
---|
579 | ife->statistics_valid = 1;
|
---|
580 | if (target && !strcmp(target, name))
|
---|
581 | break;
|
---|
582 | }
|
---|
583 | if (ferror(fh)) {
|
---|
584 | bb_perror_msg(_PATH_PROCNET_DEV);
|
---|
585 | err = -1;
|
---|
586 | proc_read = 0;
|
---|
587 | }
|
---|
588 | fclose(fh);
|
---|
589 | return err;
|
---|
590 | }
|
---|
591 |
|
---|
592 | static int if_readlist(void)
|
---|
593 | {
|
---|
594 | int err = if_readlist_proc(NULL);
|
---|
595 | /* Needed in order to get ethN:M aliases */
|
---|
596 | if (!err)
|
---|
597 | err = if_readconf();
|
---|
598 | return err;
|
---|
599 | }
|
---|
600 |
|
---|
601 | /* Fetch the interface configuration from the kernel. */
|
---|
602 | static int if_fetch(struct interface *ife)
|
---|
603 | {
|
---|
604 | struct ifreq ifr;
|
---|
605 | char *ifname = ife->name;
|
---|
606 | int skfd;
|
---|
607 |
|
---|
608 | skfd = xsocket(AF_INET, SOCK_DGRAM, 0);
|
---|
609 |
|
---|
610 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
611 | if (ioctl(skfd, SIOCGIFFLAGS, &ifr) < 0) {
|
---|
612 | close(skfd);
|
---|
613 | return -1;
|
---|
614 | }
|
---|
615 | ife->flags = ifr.ifr_flags;
|
---|
616 |
|
---|
617 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
618 | memset(ife->hwaddr, 0, 32);
|
---|
619 | if (ioctl(skfd, SIOCGIFHWADDR, &ifr) >= 0)
|
---|
620 | memcpy(ife->hwaddr, ifr.ifr_hwaddr.sa_data, 8);
|
---|
621 |
|
---|
622 | ife->type = ifr.ifr_hwaddr.sa_family;
|
---|
623 |
|
---|
624 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
625 | ife->metric = 0;
|
---|
626 | if (ioctl(skfd, SIOCGIFMETRIC, &ifr) >= 0)
|
---|
627 | ife->metric = ifr.ifr_metric;
|
---|
628 |
|
---|
629 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
630 | ife->mtu = 0;
|
---|
631 | if (ioctl(skfd, SIOCGIFMTU, &ifr) >= 0)
|
---|
632 | ife->mtu = ifr.ifr_mtu;
|
---|
633 |
|
---|
634 | memset(&ife->map, 0, sizeof(struct ifmap));
|
---|
635 | #ifdef SIOCGIFMAP
|
---|
636 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
637 | if (ioctl(skfd, SIOCGIFMAP, &ifr) == 0)
|
---|
638 | ife->map = ifr.ifr_map;
|
---|
639 | #endif
|
---|
640 |
|
---|
641 | #ifdef HAVE_TXQUEUELEN
|
---|
642 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
643 | ife->tx_queue_len = -1; /* unknown value */
|
---|
644 | if (ioctl(skfd, SIOCGIFTXQLEN, &ifr) >= 0)
|
---|
645 | ife->tx_queue_len = ifr.ifr_qlen;
|
---|
646 | #else
|
---|
647 | ife->tx_queue_len = -1; /* unknown value */
|
---|
648 | #endif
|
---|
649 |
|
---|
650 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
651 | ifr.ifr_addr.sa_family = AF_INET;
|
---|
652 | memset(&ife->addr, 0, sizeof(struct sockaddr));
|
---|
653 | if (ioctl(skfd, SIOCGIFADDR, &ifr) == 0) {
|
---|
654 | ife->has_ip = 1;
|
---|
655 | ife->addr = ifr.ifr_addr;
|
---|
656 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
657 | memset(&ife->dstaddr, 0, sizeof(struct sockaddr));
|
---|
658 | if (ioctl(skfd, SIOCGIFDSTADDR, &ifr) >= 0)
|
---|
659 | ife->dstaddr = ifr.ifr_dstaddr;
|
---|
660 |
|
---|
661 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
662 | memset(&ife->broadaddr, 0, sizeof(struct sockaddr));
|
---|
663 | if (ioctl(skfd, SIOCGIFBRDADDR, &ifr) >= 0)
|
---|
664 | ife->broadaddr = ifr.ifr_broadaddr;
|
---|
665 |
|
---|
666 | strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
---|
667 | memset(&ife->netmask, 0, sizeof(struct sockaddr));
|
---|
668 | if (ioctl(skfd, SIOCGIFNETMASK, &ifr) >= 0)
|
---|
669 | ife->netmask = ifr.ifr_netmask;
|
---|
670 | }
|
---|
671 |
|
---|
672 | close(skfd);
|
---|
673 | return 0;
|
---|
674 | }
|
---|
675 |
|
---|
676 |
|
---|
677 | static int do_if_fetch(struct interface *ife)
|
---|
678 | {
|
---|
679 | if (if_fetch(ife) < 0) {
|
---|
680 | const char *errmsg;
|
---|
681 |
|
---|
682 | if (errno == ENODEV) {
|
---|
683 | /* Give better error message for this case. */
|
---|
684 | errmsg = "Device not found";
|
---|
685 | } else {
|
---|
686 | errmsg = strerror(errno);
|
---|
687 | }
|
---|
688 | bb_error_msg("%s: error fetching interface information: %s",
|
---|
689 | ife->name, errmsg);
|
---|
690 | return -1;
|
---|
691 | }
|
---|
692 | return 0;
|
---|
693 | }
|
---|
694 |
|
---|
695 | static const struct hwtype unspec_hwtype = {
|
---|
696 | .name = "unspec",
|
---|
697 | .title = "UNSPEC",
|
---|
698 | .type = -1,
|
---|
699 | .print = UNSPEC_print
|
---|
700 | };
|
---|
701 |
|
---|
702 | static const struct hwtype loop_hwtype = {
|
---|
703 | .name = "loop",
|
---|
704 | .title = "Local Loopback",
|
---|
705 | .type = ARPHRD_LOOPBACK
|
---|
706 | };
|
---|
707 |
|
---|
708 | #include <net/if_arp.h>
|
---|
709 |
|
---|
710 | #if (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined(_NEWLIB_VERSION)
|
---|
711 | #include <net/ethernet.h>
|
---|
712 | #else
|
---|
713 | #include <linux/if_ether.h>
|
---|
714 | #endif
|
---|
715 |
|
---|
716 | /* Display an Ethernet address in readable format. */
|
---|
717 | static char *pr_ether(unsigned char *ptr)
|
---|
718 | {
|
---|
719 | static char *buff;
|
---|
720 |
|
---|
721 | free(buff);
|
---|
722 | buff = xasprintf("%02X:%02X:%02X:%02X:%02X:%02X",
|
---|
723 | (ptr[0] & 0377), (ptr[1] & 0377), (ptr[2] & 0377),
|
---|
724 | (ptr[3] & 0377), (ptr[4] & 0377), (ptr[5] & 0377)
|
---|
725 | );
|
---|
726 | return buff;
|
---|
727 | }
|
---|
728 |
|
---|
729 | static int in_ether(const char *bufp, struct sockaddr *sap);
|
---|
730 |
|
---|
731 | static const struct hwtype ether_hwtype = {
|
---|
732 | .name = "ether",
|
---|
733 | .title = "Ethernet",
|
---|
734 | .type = ARPHRD_ETHER,
|
---|
735 | .alen = ETH_ALEN,
|
---|
736 | .print = pr_ether,
|
---|
737 | .input = in_ether
|
---|
738 | };
|
---|
739 |
|
---|
740 | static unsigned hexchar2int(char c)
|
---|
741 | {
|
---|
742 | if (isdigit(c))
|
---|
743 | return c - '0';
|
---|
744 | c &= ~0x20; /* a -> A */
|
---|
745 | if ((unsigned)(c - 'A') <= 5)
|
---|
746 | return c - ('A' - 10);
|
---|
747 | return ~0U;
|
---|
748 | }
|
---|
749 |
|
---|
750 | /* Input an Ethernet address and convert to binary. */
|
---|
751 | static int in_ether(const char *bufp, struct sockaddr *sap)
|
---|
752 | {
|
---|
753 | unsigned char *ptr;
|
---|
754 | char c;
|
---|
755 | int i;
|
---|
756 | unsigned val;
|
---|
757 |
|
---|
758 | sap->sa_family = ether_hwtype.type;
|
---|
759 | ptr = (unsigned char*) sap->sa_data;
|
---|
760 |
|
---|
761 | i = 0;
|
---|
762 | while ((*bufp != '\0') && (i < ETH_ALEN)) {
|
---|
763 | val = hexchar2int(*bufp++) * 0x10;
|
---|
764 | if (val > 0xff) {
|
---|
765 | errno = EINVAL;
|
---|
766 | return -1;
|
---|
767 | }
|
---|
768 | c = *bufp;
|
---|
769 | if (c == ':' || c == 0)
|
---|
770 | val >>= 4;
|
---|
771 | else {
|
---|
772 | val |= hexchar2int(c);
|
---|
773 | if (val > 0xff) {
|
---|
774 | errno = EINVAL;
|
---|
775 | return -1;
|
---|
776 | }
|
---|
777 | }
|
---|
778 | if (c != 0)
|
---|
779 | bufp++;
|
---|
780 | *ptr++ = (unsigned char) val;
|
---|
781 | i++;
|
---|
782 |
|
---|
783 | /* We might get a semicolon here - not required. */
|
---|
784 | if (*bufp == ':') {
|
---|
785 | bufp++;
|
---|
786 | }
|
---|
787 | }
|
---|
788 | return 0;
|
---|
789 | }
|
---|
790 |
|
---|
791 | #include <net/if_arp.h>
|
---|
792 |
|
---|
793 | static const struct hwtype ppp_hwtype = {
|
---|
794 | .name = "ppp",
|
---|
795 | .title = "Point-to-Point Protocol",
|
---|
796 | .type = ARPHRD_PPP
|
---|
797 | };
|
---|
798 |
|
---|
799 | #if ENABLE_FEATURE_IPV6
|
---|
800 | static const struct hwtype sit_hwtype = {
|
---|
801 | .name = "sit",
|
---|
802 | .title = "IPv6-in-IPv4",
|
---|
803 | .type = ARPHRD_SIT,
|
---|
804 | .print = UNSPEC_print,
|
---|
805 | .suppress_null_addr = 1
|
---|
806 | };
|
---|
807 | #endif
|
---|
808 |
|
---|
809 | static const struct hwtype *const hwtypes[] = {
|
---|
810 | &loop_hwtype,
|
---|
811 | ðer_hwtype,
|
---|
812 | &ppp_hwtype,
|
---|
813 | &unspec_hwtype,
|
---|
814 | #if ENABLE_FEATURE_IPV6
|
---|
815 | &sit_hwtype,
|
---|
816 | #endif
|
---|
817 | NULL
|
---|
818 | };
|
---|
819 |
|
---|
820 | #ifdef IFF_PORTSEL
|
---|
821 | static const char *const if_port_text[] = {
|
---|
822 | /* Keep in step with <linux/netdevice.h> */
|
---|
823 | "unknown",
|
---|
824 | "10base2",
|
---|
825 | "10baseT",
|
---|
826 | "AUI",
|
---|
827 | "100baseT",
|
---|
828 | "100baseTX",
|
---|
829 | "100baseFX",
|
---|
830 | NULL
|
---|
831 | };
|
---|
832 | #endif
|
---|
833 |
|
---|
834 | /* Check our hardware type table for this type. */
|
---|
835 | const struct hwtype *get_hwtype(const char *name)
|
---|
836 | {
|
---|
837 | const struct hwtype *const *hwp;
|
---|
838 |
|
---|
839 | hwp = hwtypes;
|
---|
840 | while (*hwp != NULL) {
|
---|
841 | if (!strcmp((*hwp)->name, name))
|
---|
842 | return (*hwp);
|
---|
843 | hwp++;
|
---|
844 | }
|
---|
845 | return NULL;
|
---|
846 | }
|
---|
847 |
|
---|
848 | /* Check our hardware type table for this type. */
|
---|
849 | const struct hwtype *get_hwntype(int type)
|
---|
850 | {
|
---|
851 | const struct hwtype *const *hwp;
|
---|
852 |
|
---|
853 | hwp = hwtypes;
|
---|
854 | while (*hwp != NULL) {
|
---|
855 | if ((*hwp)->type == type)
|
---|
856 | return *hwp;
|
---|
857 | hwp++;
|
---|
858 | }
|
---|
859 | return NULL;
|
---|
860 | }
|
---|
861 |
|
---|
862 | /* return 1 if address is all zeros */
|
---|
863 | static int hw_null_address(const struct hwtype *hw, void *ap)
|
---|
864 | {
|
---|
865 | unsigned int i;
|
---|
866 | unsigned char *address = (unsigned char *) ap;
|
---|
867 |
|
---|
868 | for (i = 0; i < hw->alen; i++)
|
---|
869 | if (address[i])
|
---|
870 | return 0;
|
---|
871 | return 1;
|
---|
872 | }
|
---|
873 |
|
---|
874 | static const char TRext[] ALIGN1 = "\0\0\0Ki\0Mi\0Gi\0Ti";
|
---|
875 |
|
---|
876 | static void print_bytes_scaled(unsigned long long ull, const char *end)
|
---|
877 | {
|
---|
878 | unsigned long long int_part;
|
---|
879 | const char *ext;
|
---|
880 | unsigned int frac_part;
|
---|
881 | int i;
|
---|
882 |
|
---|
883 | frac_part = 0;
|
---|
884 | ext = TRext;
|
---|
885 | int_part = ull;
|
---|
886 | i = 4;
|
---|
887 | do {
|
---|
888 | if (int_part >= 1024) {
|
---|
889 | frac_part = ((((unsigned int) int_part) & (1024-1)) * 10) / 1024;
|
---|
890 | int_part /= 1024;
|
---|
891 | ext += 3; /* KiB, MiB, GiB, TiB */
|
---|
892 | }
|
---|
893 | --i;
|
---|
894 | } while (i);
|
---|
895 |
|
---|
896 | printf("X bytes:%llu (%llu.%u %sB)%s", ull, int_part, frac_part, ext, end);
|
---|
897 | }
|
---|
898 |
|
---|
899 | static void ife_print(struct interface *ptr)
|
---|
900 | {
|
---|
901 | const struct aftype *ap;
|
---|
902 | const struct hwtype *hw;
|
---|
903 | int hf;
|
---|
904 | int can_compress = 0;
|
---|
905 |
|
---|
906 | #ifdef HAVE_AFINET6
|
---|
907 | FILE *f;
|
---|
908 | char addr6[40], devname[20];
|
---|
909 | struct sockaddr_in6 sap;
|
---|
910 | int plen, scope, dad_status, if_idx;
|
---|
911 | char addr6p[8][5];
|
---|
912 | #endif
|
---|
913 |
|
---|
914 | ap = get_afntype(ptr->addr.sa_family);
|
---|
915 | if (ap == NULL)
|
---|
916 | ap = get_afntype(0);
|
---|
917 |
|
---|
918 | hf = ptr->type;
|
---|
919 |
|
---|
920 | if (hf == ARPHRD_CSLIP || hf == ARPHRD_CSLIP6)
|
---|
921 | can_compress = 1;
|
---|
922 |
|
---|
923 | hw = get_hwntype(hf);
|
---|
924 | if (hw == NULL)
|
---|
925 | hw = get_hwntype(-1);
|
---|
926 |
|
---|
927 | printf("%-9.9s Link encap:%s ", ptr->name, hw->title);
|
---|
928 | /* For some hardware types (eg Ash, ATM) we don't print the
|
---|
929 | hardware address if it's null. */
|
---|
930 | if (hw->print != NULL && (!(hw_null_address(hw, ptr->hwaddr) &&
|
---|
931 | hw->suppress_null_addr)))
|
---|
932 | printf("HWaddr %s ", hw->print((unsigned char *)ptr->hwaddr));
|
---|
933 | #ifdef IFF_PORTSEL
|
---|
934 | if (ptr->flags & IFF_PORTSEL) {
|
---|
935 | printf("Media:%s", if_port_text[ptr->map.port] /* [0] */);
|
---|
936 | if (ptr->flags & IFF_AUTOMEDIA)
|
---|
937 | printf("(auto)");
|
---|
938 | }
|
---|
939 | #endif
|
---|
940 | puts("");
|
---|
941 |
|
---|
942 | if (ptr->has_ip) {
|
---|
943 | printf(" %s addr:%s ", ap->name,
|
---|
944 | ap->sprint(&ptr->addr, 1));
|
---|
945 | if (ptr->flags & IFF_POINTOPOINT) {
|
---|
946 | printf(" P-t-P:%s ", ap->sprint(&ptr->dstaddr, 1));
|
---|
947 | }
|
---|
948 | if (ptr->flags & IFF_BROADCAST) {
|
---|
949 | printf(" Bcast:%s ", ap->sprint(&ptr->broadaddr, 1));
|
---|
950 | }
|
---|
951 | printf(" Mask:%s\n", ap->sprint(&ptr->netmask, 1));
|
---|
952 | }
|
---|
953 |
|
---|
954 | #ifdef HAVE_AFINET6
|
---|
955 |
|
---|
956 | #define IPV6_ADDR_ANY 0x0000U
|
---|
957 |
|
---|
958 | #define IPV6_ADDR_UNICAST 0x0001U
|
---|
959 | #define IPV6_ADDR_MULTICAST 0x0002U
|
---|
960 | #define IPV6_ADDR_ANYCAST 0x0004U
|
---|
961 |
|
---|
962 | #define IPV6_ADDR_LOOPBACK 0x0010U
|
---|
963 | #define IPV6_ADDR_LINKLOCAL 0x0020U
|
---|
964 | #define IPV6_ADDR_SITELOCAL 0x0040U
|
---|
965 |
|
---|
966 | #define IPV6_ADDR_COMPATv4 0x0080U
|
---|
967 |
|
---|
968 | #define IPV6_ADDR_SCOPE_MASK 0x00f0U
|
---|
969 |
|
---|
970 | #define IPV6_ADDR_MAPPED 0x1000U
|
---|
971 | #define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
|
---|
972 |
|
---|
973 | f = fopen(_PATH_PROCNET_IFINET6, "r");
|
---|
974 | if (f != NULL) {
|
---|
975 | while (fscanf
|
---|
976 | (f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n",
|
---|
977 | addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4],
|
---|
978 | addr6p[5], addr6p[6], addr6p[7], &if_idx, &plen, &scope,
|
---|
979 | &dad_status, devname) != EOF
|
---|
980 | ) {
|
---|
981 | if (!strcmp(devname, ptr->name)) {
|
---|
982 | sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
|
---|
983 | addr6p[0], addr6p[1], addr6p[2], addr6p[3],
|
---|
984 | addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
|
---|
985 | inet_pton(AF_INET6, addr6,
|
---|
986 | (struct sockaddr *) &sap.sin6_addr);
|
---|
987 | sap.sin6_family = AF_INET6;
|
---|
988 | printf(" inet6 addr: %s/%d",
|
---|
989 | INET6_sprint((struct sockaddr *) &sap, 1),
|
---|
990 | plen);
|
---|
991 | printf(" Scope:");
|
---|
992 | switch (scope & IPV6_ADDR_SCOPE_MASK) {
|
---|
993 | case 0:
|
---|
994 | puts("Global");
|
---|
995 | break;
|
---|
996 | case IPV6_ADDR_LINKLOCAL:
|
---|
997 | puts("Link");
|
---|
998 | break;
|
---|
999 | case IPV6_ADDR_SITELOCAL:
|
---|
1000 | puts("Site");
|
---|
1001 | break;
|
---|
1002 | case IPV6_ADDR_COMPATv4:
|
---|
1003 | puts("Compat");
|
---|
1004 | break;
|
---|
1005 | case IPV6_ADDR_LOOPBACK:
|
---|
1006 | puts("Host");
|
---|
1007 | break;
|
---|
1008 | default:
|
---|
1009 | puts("Unknown");
|
---|
1010 | }
|
---|
1011 | }
|
---|
1012 | }
|
---|
1013 | fclose(f);
|
---|
1014 | }
|
---|
1015 | #endif
|
---|
1016 |
|
---|
1017 | printf(" ");
|
---|
1018 | /* DONT FORGET TO ADD THE FLAGS IN ife_print_short, too */
|
---|
1019 |
|
---|
1020 | if (ptr->flags == 0) {
|
---|
1021 | printf("[NO FLAGS] ");
|
---|
1022 | } else {
|
---|
1023 | static const char ife_print_flags_strs[] ALIGN1 =
|
---|
1024 | "UP\0"
|
---|
1025 | "BROADCAST\0"
|
---|
1026 | "DEBUG\0"
|
---|
1027 | "LOOPBACK\0"
|
---|
1028 | "POINTOPOINT\0"
|
---|
1029 | "NOTRAILERS\0"
|
---|
1030 | "RUNNING\0"
|
---|
1031 | "NOARP\0"
|
---|
1032 | "PROMISC\0"
|
---|
1033 | "ALLMULTI\0"
|
---|
1034 | "SLAVE\0"
|
---|
1035 | "MASTER\0"
|
---|
1036 | "MULTICAST\0"
|
---|
1037 | #ifdef HAVE_DYNAMIC
|
---|
1038 | "DYNAMIC\0"
|
---|
1039 | #endif
|
---|
1040 | ;
|
---|
1041 | static const unsigned short ife_print_flags_mask[] ALIGN2 = {
|
---|
1042 | IFF_UP,
|
---|
1043 | IFF_BROADCAST,
|
---|
1044 | IFF_DEBUG,
|
---|
1045 | IFF_LOOPBACK,
|
---|
1046 | IFF_POINTOPOINT,
|
---|
1047 | IFF_NOTRAILERS,
|
---|
1048 | IFF_RUNNING,
|
---|
1049 | IFF_NOARP,
|
---|
1050 | IFF_PROMISC,
|
---|
1051 | IFF_ALLMULTI,
|
---|
1052 | IFF_SLAVE,
|
---|
1053 | IFF_MASTER,
|
---|
1054 | IFF_MULTICAST
|
---|
1055 | #ifdef HAVE_DYNAMIC
|
---|
1056 | ,IFF_DYNAMIC
|
---|
1057 | #endif
|
---|
1058 | };
|
---|
1059 | const unsigned short *mask = ife_print_flags_mask;
|
---|
1060 | const char *str = ife_print_flags_strs;
|
---|
1061 | do {
|
---|
1062 | if (ptr->flags & *mask) {
|
---|
1063 | printf("%s ", str);
|
---|
1064 | }
|
---|
1065 | mask++;
|
---|
1066 | str += strlen(str) + 1;
|
---|
1067 | } while (*str);
|
---|
1068 | }
|
---|
1069 |
|
---|
1070 | /* DONT FORGET TO ADD THE FLAGS IN ife_print_short */
|
---|
1071 | printf(" MTU:%d Metric:%d", ptr->mtu, ptr->metric ? ptr->metric : 1);
|
---|
1072 | #ifdef SIOCSKEEPALIVE
|
---|
1073 | if (ptr->outfill || ptr->keepalive)
|
---|
1074 | printf(" Outfill:%d Keepalive:%d", ptr->outfill, ptr->keepalive);
|
---|
1075 | #endif
|
---|
1076 | puts("");
|
---|
1077 |
|
---|
1078 | /* If needed, display the interface statistics. */
|
---|
1079 |
|
---|
1080 | if (ptr->statistics_valid) {
|
---|
1081 | /* XXX: statistics are currently only printed for the primary address,
|
---|
1082 | * not for the aliases, although strictly speaking they're shared
|
---|
1083 | * by all addresses.
|
---|
1084 | */
|
---|
1085 | printf(" ");
|
---|
1086 |
|
---|
1087 | printf("RX packets:%llu errors:%lu dropped:%lu overruns:%lu frame:%lu\n",
|
---|
1088 | ptr->stats.rx_packets, ptr->stats.rx_errors,
|
---|
1089 | ptr->stats.rx_dropped, ptr->stats.rx_fifo_errors,
|
---|
1090 | ptr->stats.rx_frame_errors);
|
---|
1091 | if (can_compress)
|
---|
1092 | printf(" compressed:%lu\n",
|
---|
1093 | ptr->stats.rx_compressed);
|
---|
1094 | printf(" ");
|
---|
1095 | printf("TX packets:%llu errors:%lu dropped:%lu overruns:%lu carrier:%lu\n",
|
---|
1096 | ptr->stats.tx_packets, ptr->stats.tx_errors,
|
---|
1097 | ptr->stats.tx_dropped, ptr->stats.tx_fifo_errors,
|
---|
1098 | ptr->stats.tx_carrier_errors);
|
---|
1099 | printf(" collisions:%lu ", ptr->stats.collisions);
|
---|
1100 | if (can_compress)
|
---|
1101 | printf("compressed:%lu ", ptr->stats.tx_compressed);
|
---|
1102 | if (ptr->tx_queue_len != -1)
|
---|
1103 | printf("txqueuelen:%d ", ptr->tx_queue_len);
|
---|
1104 | printf("\n R");
|
---|
1105 | print_bytes_scaled(ptr->stats.rx_bytes, " T");
|
---|
1106 | print_bytes_scaled(ptr->stats.tx_bytes, "\n");
|
---|
1107 |
|
---|
1108 | }
|
---|
1109 |
|
---|
1110 | if ((ptr->map.irq || ptr->map.mem_start || ptr->map.dma ||
|
---|
1111 | ptr->map.base_addr)) {
|
---|
1112 | printf(" ");
|
---|
1113 | if (ptr->map.irq)
|
---|
1114 | printf("Interrupt:%d ", ptr->map.irq);
|
---|
1115 | if (ptr->map.base_addr >= 0x100) /* Only print devices using it for
|
---|
1116 | I/O maps */
|
---|
1117 | printf("Base address:0x%lx ",
|
---|
1118 | (unsigned long) ptr->map.base_addr);
|
---|
1119 | if (ptr->map.mem_start) {
|
---|
1120 | printf("Memory:%lx-%lx ", ptr->map.mem_start,
|
---|
1121 | ptr->map.mem_end);
|
---|
1122 | }
|
---|
1123 | if (ptr->map.dma)
|
---|
1124 | printf("DMA chan:%x ", ptr->map.dma);
|
---|
1125 | puts("");
|
---|
1126 | }
|
---|
1127 | puts("");
|
---|
1128 | }
|
---|
1129 |
|
---|
1130 |
|
---|
1131 | static int do_if_print(struct interface *ife) /*, int *opt_a)*/
|
---|
1132 | {
|
---|
1133 | int res;
|
---|
1134 |
|
---|
1135 | res = do_if_fetch(ife);
|
---|
1136 | if (res >= 0) {
|
---|
1137 | if ((ife->flags & IFF_UP) || interface_opt_a)
|
---|
1138 | ife_print(ife);
|
---|
1139 | }
|
---|
1140 | return res;
|
---|
1141 | }
|
---|
1142 |
|
---|
1143 | static struct interface *lookup_interface(char *name)
|
---|
1144 | {
|
---|
1145 | struct interface *ife = NULL;
|
---|
1146 |
|
---|
1147 | if (if_readlist_proc(name) < 0)
|
---|
1148 | return NULL;
|
---|
1149 | ife = add_interface(name);
|
---|
1150 | return ife;
|
---|
1151 | }
|
---|
1152 |
|
---|
1153 | #ifdef UNUSED
|
---|
1154 | static int for_all_interfaces(int (*doit) (struct interface *, void *),
|
---|
1155 | void *cookie)
|
---|
1156 | {
|
---|
1157 | struct interface *ife;
|
---|
1158 |
|
---|
1159 | if (!int_list && (if_readlist() < 0))
|
---|
1160 | return -1;
|
---|
1161 | for (ife = int_list; ife; ife = ife->next) {
|
---|
1162 | int err = doit(ife, cookie);
|
---|
1163 |
|
---|
1164 | if (err)
|
---|
1165 | return err;
|
---|
1166 | }
|
---|
1167 | return 0;
|
---|
1168 | }
|
---|
1169 | #endif
|
---|
1170 |
|
---|
1171 | /* for ipv4 add/del modes */
|
---|
1172 | static int if_print(char *ifname)
|
---|
1173 | {
|
---|
1174 | struct interface *ife;
|
---|
1175 | int res;
|
---|
1176 |
|
---|
1177 | if (!ifname) {
|
---|
1178 | /*res = for_all_interfaces(do_if_print, &interface_opt_a);*/
|
---|
1179 | if (!int_list && (if_readlist() < 0))
|
---|
1180 | return -1;
|
---|
1181 | for (ife = int_list; ife; ife = ife->next) {
|
---|
1182 | int err = do_if_print(ife); /*, &interface_opt_a);*/
|
---|
1183 | if (err)
|
---|
1184 | return err;
|
---|
1185 | }
|
---|
1186 | return 0;
|
---|
1187 | }
|
---|
1188 | ife = lookup_interface(ifname);
|
---|
1189 | res = do_if_fetch(ife);
|
---|
1190 | if (res >= 0)
|
---|
1191 | ife_print(ife);
|
---|
1192 | return res;
|
---|
1193 | }
|
---|
1194 |
|
---|
1195 | int display_interfaces(char *ifname)
|
---|
1196 | {
|
---|
1197 | int status;
|
---|
1198 |
|
---|
1199 | status = if_print(ifname);
|
---|
1200 |
|
---|
1201 | return (status < 0); /* status < 0 == 1 -- error */
|
---|
1202 | }
|
---|