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 source tree.
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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 "libbb.h"
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35 | #include "inet_common.h"
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36 | #include <net/if.h>
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37 | #include <net/if_arp.h>
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38 | #ifdef HAVE_NET_ETHERNET_H
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39 | # include <net/ethernet.h>
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40 | #endif
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41 |
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42 | #if ENABLE_FEATURE_HWIB
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43 | /* #include <linux/if_infiniband.h> */
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44 | # undef INFINIBAND_ALEN
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45 | # define INFINIBAND_ALEN 20
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46 | #endif
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47 |
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48 | #if ENABLE_FEATURE_IPV6
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49 | # define HAVE_AFINET6 1
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50 | #else
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51 | # undef HAVE_AFINET6
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52 | #endif
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53 |
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54 | #define _PATH_PROCNET_DEV "/proc/net/dev"
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55 | #define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
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56 |
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57 | #ifdef HAVE_AFINET6
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58 | # ifndef _LINUX_IN6_H
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59 | /*
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60 | * This is from linux/include/net/ipv6.h
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61 | */
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62 | struct in6_ifreq {
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63 | struct in6_addr ifr6_addr;
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64 | uint32_t ifr6_prefixlen;
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65 | unsigned int ifr6_ifindex;
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66 | };
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67 | # endif
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68 | #endif /* HAVE_AFINET6 */
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69 |
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70 | /* Defines for glibc2.0 users. */
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71 | #ifndef SIOCSIFTXQLEN
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72 | # define SIOCSIFTXQLEN 0x8943
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73 | # define SIOCGIFTXQLEN 0x8942
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74 | #endif
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75 |
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76 | /* ifr_qlen is ifru_ivalue, but it isn't present in 2.0 kernel headers */
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77 | #ifndef ifr_qlen
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78 | # define ifr_qlen ifr_ifru.ifru_mtu
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79 | #endif
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80 |
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81 | #ifndef HAVE_TXQUEUELEN
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82 | # define HAVE_TXQUEUELEN 1
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83 | #endif
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84 |
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85 | #ifndef IFF_DYNAMIC
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86 | # define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses */
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87 | #endif
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88 |
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89 | /* Display an Internet socket address. */
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90 | static const char* FAST_FUNC INET_sprint(struct sockaddr *sap, int numeric)
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91 | {
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92 | static char *buff; /* defaults to NULL */
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93 |
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94 | free(buff);
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95 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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96 | return "[NONE SET]";
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97 | buff = INET_rresolve((struct sockaddr_in *) sap, numeric, 0xffffff00);
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98 | return buff;
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99 | }
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100 |
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101 | #ifdef UNUSED_AND_BUGGY
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102 | static int INET_getsock(char *bufp, struct sockaddr *sap)
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103 | {
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104 | char *sp = bufp, *bp;
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105 | unsigned int i;
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106 | unsigned val;
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107 | struct sockaddr_in *sock_in;
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108 |
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109 | sock_in = (struct sockaddr_in *) sap;
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110 | sock_in->sin_family = AF_INET;
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111 | sock_in->sin_port = 0;
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112 |
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113 | val = 0;
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114 | bp = (char *) &val;
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115 | for (i = 0; i < sizeof(sock_in->sin_addr.s_addr); i++) {
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116 | *sp = toupper(*sp);
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117 |
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118 | if ((unsigned)(*sp - 'A') <= 5)
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119 | bp[i] |= (int) (*sp - ('A' - 10));
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120 | else if (isdigit(*sp))
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121 | bp[i] |= (int) (*sp - '0');
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122 | else
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123 | return -1;
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124 |
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125 | bp[i] <<= 4;
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126 | sp++;
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127 | *sp = toupper(*sp);
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128 |
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129 | if ((unsigned)(*sp - 'A') <= 5)
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130 | bp[i] |= (int) (*sp - ('A' - 10));
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131 | else if (isdigit(*sp))
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132 | bp[i] |= (int) (*sp - '0');
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133 | else
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134 | return -1;
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135 |
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136 | sp++;
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137 | }
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138 | sock_in->sin_addr.s_addr = htonl(val);
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139 |
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140 | return (sp - bufp);
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141 | }
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142 | #endif
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143 |
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144 | static int FAST_FUNC INET_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
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145 | {
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146 | return INET_resolve(bufp, (struct sockaddr_in *) sap, 0);
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147 | /*
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148 | switch (type) {
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149 | case 1:
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150 | return (INET_getsock(bufp, sap));
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151 | case 256:
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152 | return (INET_resolve(bufp, (struct sockaddr_in *) sap, 1));
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153 | default:
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154 | return (INET_resolve(bufp, (struct sockaddr_in *) sap, 0));
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155 | }
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156 | */
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157 | }
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158 |
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159 | static const struct aftype inet_aftype = {
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160 | .name = "inet",
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161 | .title = "DARPA Internet",
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162 | .af = AF_INET,
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163 | .alen = 4,
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164 | .sprint = INET_sprint,
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165 | .input = INET_input,
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166 | };
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167 |
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168 | #ifdef HAVE_AFINET6
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169 |
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170 | /* Display an Internet socket address. */
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171 | /* dirty! struct sockaddr usually doesn't suffer for inet6 addresses, fst. */
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172 | static const char* FAST_FUNC INET6_sprint(struct sockaddr *sap, int numeric)
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173 | {
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174 | static char *buff;
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175 |
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176 | free(buff);
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177 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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178 | return "[NONE SET]";
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179 | buff = INET6_rresolve((struct sockaddr_in6 *) sap, numeric);
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180 | return buff;
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181 | }
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182 |
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183 | #ifdef UNUSED
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184 | static int INET6_getsock(char *bufp, struct sockaddr *sap)
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185 | {
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186 | struct sockaddr_in6 *sin6;
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187 |
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188 | sin6 = (struct sockaddr_in6 *) sap;
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189 | sin6->sin6_family = AF_INET6;
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190 | sin6->sin6_port = 0;
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191 |
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192 | if (inet_pton(AF_INET6, bufp, sin6->sin6_addr.s6_addr) <= 0)
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193 | return -1;
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194 |
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195 | return 16; /* ?;) */
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196 | }
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197 | #endif
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198 |
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199 | static int FAST_FUNC INET6_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
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200 | {
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201 | return INET6_resolve(bufp, (struct sockaddr_in6 *) sap);
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202 | /*
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203 | switch (type) {
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204 | case 1:
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205 | return (INET6_getsock(bufp, sap));
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206 | default:
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207 | return (INET6_resolve(bufp, (struct sockaddr_in6 *) sap));
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208 | }
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209 | */
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210 | }
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211 |
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212 | static const struct aftype inet6_aftype = {
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213 | .name = "inet6",
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214 | .title = "IPv6",
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215 | .af = AF_INET6,
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216 | .alen = sizeof(struct in6_addr),
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217 | .sprint = INET6_sprint,
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218 | .input = INET6_input,
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219 | };
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220 |
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221 | #endif /* HAVE_AFINET6 */
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222 |
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223 | /* Display an UNSPEC address. */
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224 | static char* FAST_FUNC UNSPEC_print(unsigned char *ptr)
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225 | {
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226 | static char *buff;
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227 |
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228 | char *pos;
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229 | unsigned int i;
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230 |
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231 | if (!buff)
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232 | buff = xmalloc(sizeof(struct sockaddr) * 3 + 1);
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233 | pos = buff;
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234 | for (i = 0; i < sizeof(struct sockaddr); i++) {
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235 | /* careful -- not every libc's sprintf returns # bytes written */
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236 | sprintf(pos, "%02X-", (*ptr++ & 0377));
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237 | pos += 3;
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238 | }
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239 | /* Erase trailing "-". Works as long as sizeof(struct sockaddr) != 0 */
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240 | *--pos = '\0';
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241 | return buff;
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242 | }
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243 |
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244 | /* Display an UNSPEC socket address. */
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245 | static const char* FAST_FUNC UNSPEC_sprint(struct sockaddr *sap, int numeric UNUSED_PARAM)
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246 | {
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247 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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248 | return "[NONE SET]";
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249 | return UNSPEC_print((unsigned char *)sap->sa_data);
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250 | }
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251 |
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252 | static const struct aftype unspec_aftype = {
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253 | .name = "unspec",
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254 | .title = "UNSPEC",
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255 | .af = AF_UNSPEC,
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256 | .alen = 0,
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257 | .print = UNSPEC_print,
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258 | .sprint = UNSPEC_sprint,
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259 | };
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260 |
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261 | static const struct aftype *const aftypes[] = {
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262 | &inet_aftype,
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263 | #ifdef HAVE_AFINET6
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264 | &inet6_aftype,
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265 | #endif
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266 | &unspec_aftype,
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267 | NULL
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268 | };
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269 |
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270 | /* Check our protocol family table for this family. */
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271 | const struct aftype* FAST_FUNC get_aftype(const char *name)
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272 | {
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273 | const struct aftype *const *afp;
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274 |
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275 | afp = aftypes;
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276 | while (*afp != NULL) {
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277 | if (!strcmp((*afp)->name, name))
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278 | return (*afp);
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279 | afp++;
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280 | }
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281 | return NULL;
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282 | }
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283 |
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284 | /* Check our protocol family table for this family. */
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285 | static const struct aftype *get_afntype(int af)
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286 | {
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287 | const struct aftype *const *afp;
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288 |
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289 | afp = aftypes;
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290 | while (*afp != NULL) {
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291 | if ((*afp)->af == af)
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292 | return *afp;
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293 | afp++;
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294 | }
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295 | return NULL;
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296 | }
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297 |
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298 | struct user_net_device_stats {
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299 | unsigned long long rx_packets; /* total packets received */
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300 | unsigned long long tx_packets; /* total packets transmitted */
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301 | unsigned long long rx_bytes; /* total bytes received */
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302 | unsigned long long tx_bytes; /* total bytes transmitted */
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303 | unsigned long rx_errors; /* bad packets received */
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304 | unsigned long tx_errors; /* packet transmit problems */
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305 | unsigned long rx_dropped; /* no space in linux buffers */
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306 | unsigned long tx_dropped; /* no space available in linux */
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307 | unsigned long rx_multicast; /* multicast packets received */
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308 | unsigned long rx_compressed;
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309 | unsigned long tx_compressed;
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310 | unsigned long collisions;
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311 |
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312 | /* detailed rx_errors: */
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313 | unsigned long rx_length_errors;
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314 | unsigned long rx_over_errors; /* receiver ring buff overflow */
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315 | unsigned long rx_crc_errors; /* recved pkt with crc error */
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316 | unsigned long rx_frame_errors; /* recv'd frame alignment error */
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317 | unsigned long rx_fifo_errors; /* recv'r fifo overrun */
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318 | unsigned long rx_missed_errors; /* receiver missed packet */
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319 | /* detailed tx_errors */
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320 | unsigned long tx_aborted_errors;
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321 | unsigned long tx_carrier_errors;
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322 | unsigned long tx_fifo_errors;
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323 | unsigned long tx_heartbeat_errors;
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324 | unsigned long tx_window_errors;
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325 | };
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326 |
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327 | struct interface {
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328 | struct interface *next, *prev;
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329 | char name[IFNAMSIZ]; /* interface name */
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330 | short type; /* if type */
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331 | short flags; /* various flags */
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332 | int metric; /* routing metric */
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333 | int mtu; /* MTU value */
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334 | int tx_queue_len; /* transmit queue length */
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335 | struct ifmap map; /* hardware setup */
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336 | struct sockaddr addr; /* IP address */
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337 | struct sockaddr dstaddr; /* P-P IP address */
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338 | struct sockaddr broadaddr; /* IP broadcast address */
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339 | struct sockaddr netmask; /* IP network mask */
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340 | int has_ip;
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341 | char hwaddr[32]; /* HW address */
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342 | int statistics_valid;
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343 | struct user_net_device_stats stats; /* statistics */
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344 | int keepalive; /* keepalive value for SLIP */
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345 | int outfill; /* outfill value for SLIP */
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346 | };
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347 |
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348 |
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349 | smallint interface_opt_a; /* show all interfaces */
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350 |
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351 | static struct interface *int_list, *int_last;
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352 |
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353 |
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354 | #if 0
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355 | /* like strcmp(), but knows about numbers */
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356 | except that the freshly added calls to xatoul() brf on ethernet aliases with
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357 | uClibc with e.g.: ife->name='lo' name='eth0:1'
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358 | static int nstrcmp(const char *a, const char *b)
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359 | {
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360 | const char *a_ptr = a;
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361 | const char *b_ptr = b;
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362 |
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363 | while (*a == *b) {
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364 | if (*a == '\0') {
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365 | return 0;
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366 | }
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367 | if (!isdigit(*a) && isdigit(*(a+1))) {
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368 | a_ptr = a+1;
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369 | b_ptr = b+1;
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370 | }
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371 | a++;
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372 | b++;
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373 | }
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374 |
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375 | if (isdigit(*a) && isdigit(*b)) {
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376 | return xatoul(a_ptr) > xatoul(b_ptr) ? 1 : -1;
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377 | }
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378 | return *a - *b;
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379 | }
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380 | #endif
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381 |
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382 | static struct interface *add_interface(char *name)
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383 | {
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384 | struct interface *ife, **nextp, *new;
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385 |
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386 | for (ife = int_last; ife; ife = ife->prev) {
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387 | int n = /*n*/strcmp(ife->name, name);
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388 |
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389 | if (n == 0)
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390 | return ife;
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391 | if (n < 0)
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392 | break;
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393 | }
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394 |
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395 | new = xzalloc(sizeof(*new));
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396 | strncpy_IFNAMSIZ(new->name, name);
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397 | nextp = ife ? &ife->next : &int_list;
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398 | new->prev = ife;
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399 | new->next = *nextp;
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400 | if (new->next)
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401 | new->next->prev = new;
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402 | else
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403 | int_last = new;
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404 | *nextp = new;
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405 | return new;
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406 | }
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407 |
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408 | static char *get_name(char *name, char *p)
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409 | {
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410 | /* Extract <name> from nul-terminated p where p matches
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411 | * <name>: after leading whitespace.
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412 | * If match is not made, set name empty and return unchanged p
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413 | */
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414 | char *nameend;
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415 | char *namestart = skip_whitespace(p);
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416 |
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417 | nameend = namestart;
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418 | while (*nameend && *nameend != ':' && !isspace(*nameend))
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419 | nameend++;
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420 | if (*nameend == ':') {
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421 | if ((nameend - namestart) < IFNAMSIZ) {
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422 | memcpy(name, namestart, nameend - namestart);
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423 | name[nameend - namestart] = '\0';
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424 | p = nameend;
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425 | } else {
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426 | /* Interface name too large */
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427 | name[0] = '\0';
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428 | }
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429 | } else {
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430 | /* trailing ':' not found - return empty */
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431 | name[0] = '\0';
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432 | }
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433 | return p + 1;
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434 | }
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435 |
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436 | /* If scanf supports size qualifiers for %n conversions, then we can
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437 | * use a modified fmt that simply stores the position in the fields
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438 | * having no associated fields in the proc string. Of course, we need
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439 | * to zero them again when we're done. But that is smaller than the
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440 | * old approach of multiple scanf occurrences with large numbers of
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441 | * args. */
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442 |
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443 | /* static const char *const ss_fmt[] = { */
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444 | /* "%lln%llu%lu%lu%lu%lu%ln%ln%lln%llu%lu%lu%lu%lu%lu", */
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445 | /* "%llu%llu%lu%lu%lu%lu%ln%ln%llu%llu%lu%lu%lu%lu%lu", */
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446 | /* "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu" */
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447 | /* }; */
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448 |
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449 | /* Lie about the size of the int pointed to for %n. */
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450 | #if INT_MAX == LONG_MAX
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451 | static const char *const ss_fmt[] = {
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452 | "%n%llu%u%u%u%u%n%n%n%llu%u%u%u%u%u",
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453 | "%llu%llu%u%u%u%u%n%n%llu%llu%u%u%u%u%u",
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454 | "%llu%llu%u%u%u%u%u%u%llu%llu%u%u%u%u%u%u"
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---|
455 | };
|
---|
456 | #else
|
---|
457 | static const char *const ss_fmt[] = {
|
---|
458 | "%n%llu%lu%lu%lu%lu%n%n%n%llu%lu%lu%lu%lu%lu",
|
---|
459 | "%llu%llu%lu%lu%lu%lu%n%n%llu%llu%lu%lu%lu%lu%lu",
|
---|
460 | "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu"
|
---|
461 | };
|
---|
462 |
|
---|
463 | #endif
|
---|
464 |
|
---|
465 | static void get_dev_fields(char *bp, struct interface *ife, int procnetdev_vsn)
|
---|
466 | {
|
---|
467 | memset(&ife->stats, 0, sizeof(struct user_net_device_stats));
|
---|
468 |
|
---|
469 | sscanf(bp, ss_fmt[procnetdev_vsn],
|
---|
470 | &ife->stats.rx_bytes, /* missing for 0 */
|
---|
471 | &ife->stats.rx_packets,
|
---|
472 | &ife->stats.rx_errors,
|
---|
473 | &ife->stats.rx_dropped,
|
---|
474 | &ife->stats.rx_fifo_errors,
|
---|
475 | &ife->stats.rx_frame_errors,
|
---|
476 | &ife->stats.rx_compressed, /* missing for <= 1 */
|
---|
477 | &ife->stats.rx_multicast, /* missing for <= 1 */
|
---|
478 | &ife->stats.tx_bytes, /* missing for 0 */
|
---|
479 | &ife->stats.tx_packets,
|
---|
480 | &ife->stats.tx_errors,
|
---|
481 | &ife->stats.tx_dropped,
|
---|
482 | &ife->stats.tx_fifo_errors,
|
---|
483 | &ife->stats.collisions,
|
---|
484 | &ife->stats.tx_carrier_errors,
|
---|
485 | &ife->stats.tx_compressed /* missing for <= 1 */
|
---|
486 | );
|
---|
487 |
|
---|
488 | if (procnetdev_vsn <= 1) {
|
---|
489 | if (procnetdev_vsn == 0) {
|
---|
490 | ife->stats.rx_bytes = 0;
|
---|
491 | ife->stats.tx_bytes = 0;
|
---|
492 | }
|
---|
493 | ife->stats.rx_multicast = 0;
|
---|
494 | ife->stats.rx_compressed = 0;
|
---|
495 | ife->stats.tx_compressed = 0;
|
---|
496 | }
|
---|
497 | }
|
---|
498 |
|
---|
499 | static int procnetdev_version(char *buf)
|
---|
500 | {
|
---|
501 | if (strstr(buf, "compressed"))
|
---|
502 | return 2;
|
---|
503 | if (strstr(buf, "bytes"))
|
---|
504 | return 1;
|
---|
505 | return 0;
|
---|
506 | }
|
---|
507 |
|
---|
508 | static int if_readconf(void)
|
---|
509 | {
|
---|
510 | int numreqs = 30;
|
---|
511 | struct ifconf ifc;
|
---|
512 | struct ifreq *ifr;
|
---|
513 | int n, err = -1;
|
---|
514 | int skfd;
|
---|
515 |
|
---|
516 | ifc.ifc_buf = NULL;
|
---|
517 |
|
---|
518 | /* SIOCGIFCONF currently seems to only work properly on AF_INET sockets
|
---|
519 | (as of 2.1.128) */
|
---|
520 | skfd = socket(AF_INET, SOCK_DGRAM, 0);
|
---|
521 | if (skfd < 0) {
|
---|
522 | bb_perror_msg("error: no inet socket available");
|
---|
523 | return -1;
|
---|
524 | }
|
---|
525 |
|
---|
526 | for (;;) {
|
---|
527 | ifc.ifc_len = sizeof(struct ifreq) * numreqs;
|
---|
528 | ifc.ifc_buf = xrealloc(ifc.ifc_buf, ifc.ifc_len);
|
---|
529 |
|
---|
530 | if (ioctl_or_warn(skfd, SIOCGIFCONF, &ifc) < 0) {
|
---|
531 | goto out;
|
---|
532 | }
|
---|
533 | if (ifc.ifc_len == (int)(sizeof(struct ifreq) * numreqs)) {
|
---|
534 | /* assume it overflowed and try again */
|
---|
535 | numreqs += 10;
|
---|
536 | continue;
|
---|
537 | }
|
---|
538 | break;
|
---|
539 | }
|
---|
540 |
|
---|
541 | ifr = ifc.ifc_req;
|
---|
542 | for (n = 0; n < ifc.ifc_len; n += sizeof(struct ifreq)) {
|
---|
543 | add_interface(ifr->ifr_name);
|
---|
544 | ifr++;
|
---|
545 | }
|
---|
546 | err = 0;
|
---|
547 |
|
---|
548 | out:
|
---|
549 | close(skfd);
|
---|
550 | free(ifc.ifc_buf);
|
---|
551 | return err;
|
---|
552 | }
|
---|
553 |
|
---|
554 | static int if_readlist_proc(char *target)
|
---|
555 | {
|
---|
556 | static smallint proc_read;
|
---|
557 |
|
---|
558 | FILE *fh;
|
---|
559 | char buf[512];
|
---|
560 | struct interface *ife;
|
---|
561 | int err, procnetdev_vsn;
|
---|
562 |
|
---|
563 | if (proc_read)
|
---|
564 | return 0;
|
---|
565 | if (!target)
|
---|
566 | proc_read = 1;
|
---|
567 |
|
---|
568 | fh = fopen_or_warn(_PATH_PROCNET_DEV, "r");
|
---|
569 | if (!fh) {
|
---|
570 | return if_readconf();
|
---|
571 | }
|
---|
572 | fgets(buf, sizeof buf, fh); /* eat line */
|
---|
573 | fgets(buf, sizeof buf, fh);
|
---|
574 |
|
---|
575 | procnetdev_vsn = procnetdev_version(buf);
|
---|
576 |
|
---|
577 | err = 0;
|
---|
578 | while (fgets(buf, sizeof buf, fh)) {
|
---|
579 | char *s, name[128];
|
---|
580 |
|
---|
581 | s = get_name(name, buf);
|
---|
582 | ife = add_interface(name);
|
---|
583 | get_dev_fields(s, ife, procnetdev_vsn);
|
---|
584 | ife->statistics_valid = 1;
|
---|
585 | if (target && !strcmp(target, name))
|
---|
586 | break;
|
---|
587 | }
|
---|
588 | if (ferror(fh)) {
|
---|
589 | bb_perror_msg(_PATH_PROCNET_DEV);
|
---|
590 | err = -1;
|
---|
591 | proc_read = 0;
|
---|
592 | }
|
---|
593 | fclose(fh);
|
---|
594 | return err;
|
---|
595 | }
|
---|
596 |
|
---|
597 | static int if_readlist(void)
|
---|
598 | {
|
---|
599 | int err = if_readlist_proc(NULL);
|
---|
600 | /* Needed in order to get ethN:M aliases */
|
---|
601 | if (!err)
|
---|
602 | err = if_readconf();
|
---|
603 | return err;
|
---|
604 | }
|
---|
605 |
|
---|
606 | /* Fetch the interface configuration from the kernel. */
|
---|
607 | static int if_fetch(struct interface *ife)
|
---|
608 | {
|
---|
609 | struct ifreq ifr;
|
---|
610 | char *ifname = ife->name;
|
---|
611 | int skfd;
|
---|
612 |
|
---|
613 | skfd = xsocket(AF_INET, SOCK_DGRAM, 0);
|
---|
614 |
|
---|
615 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
616 | if (ioctl(skfd, SIOCGIFFLAGS, &ifr) < 0) {
|
---|
617 | close(skfd);
|
---|
618 | return -1;
|
---|
619 | }
|
---|
620 | ife->flags = ifr.ifr_flags;
|
---|
621 |
|
---|
622 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
623 | memset(ife->hwaddr, 0, 32);
|
---|
624 | if (ioctl(skfd, SIOCGIFHWADDR, &ifr) >= 0)
|
---|
625 | memcpy(ife->hwaddr, ifr.ifr_hwaddr.sa_data, 8);
|
---|
626 |
|
---|
627 | ife->type = ifr.ifr_hwaddr.sa_family;
|
---|
628 |
|
---|
629 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
630 | ife->metric = 0;
|
---|
631 | if (ioctl(skfd, SIOCGIFMETRIC, &ifr) >= 0)
|
---|
632 | ife->metric = ifr.ifr_metric;
|
---|
633 |
|
---|
634 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
635 | ife->mtu = 0;
|
---|
636 | if (ioctl(skfd, SIOCGIFMTU, &ifr) >= 0)
|
---|
637 | ife->mtu = ifr.ifr_mtu;
|
---|
638 |
|
---|
639 | memset(&ife->map, 0, sizeof(struct ifmap));
|
---|
640 | #ifdef SIOCGIFMAP
|
---|
641 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
642 | if (ioctl(skfd, SIOCGIFMAP, &ifr) == 0)
|
---|
643 | ife->map = ifr.ifr_map;
|
---|
644 | #endif
|
---|
645 |
|
---|
646 | #ifdef HAVE_TXQUEUELEN
|
---|
647 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
648 | ife->tx_queue_len = -1; /* unknown value */
|
---|
649 | if (ioctl(skfd, SIOCGIFTXQLEN, &ifr) >= 0)
|
---|
650 | ife->tx_queue_len = ifr.ifr_qlen;
|
---|
651 | #else
|
---|
652 | ife->tx_queue_len = -1; /* unknown value */
|
---|
653 | #endif
|
---|
654 |
|
---|
655 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
656 | ifr.ifr_addr.sa_family = AF_INET;
|
---|
657 | memset(&ife->addr, 0, sizeof(struct sockaddr));
|
---|
658 | if (ioctl(skfd, SIOCGIFADDR, &ifr) == 0) {
|
---|
659 | ife->has_ip = 1;
|
---|
660 | ife->addr = ifr.ifr_addr;
|
---|
661 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
662 | memset(&ife->dstaddr, 0, sizeof(struct sockaddr));
|
---|
663 | if (ioctl(skfd, SIOCGIFDSTADDR, &ifr) >= 0)
|
---|
664 | ife->dstaddr = ifr.ifr_dstaddr;
|
---|
665 |
|
---|
666 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
667 | memset(&ife->broadaddr, 0, sizeof(struct sockaddr));
|
---|
668 | if (ioctl(skfd, SIOCGIFBRDADDR, &ifr) >= 0)
|
---|
669 | ife->broadaddr = ifr.ifr_broadaddr;
|
---|
670 |
|
---|
671 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
672 | memset(&ife->netmask, 0, sizeof(struct sockaddr));
|
---|
673 | if (ioctl(skfd, SIOCGIFNETMASK, &ifr) >= 0)
|
---|
674 | ife->netmask = ifr.ifr_netmask;
|
---|
675 | }
|
---|
676 |
|
---|
677 | close(skfd);
|
---|
678 | return 0;
|
---|
679 | }
|
---|
680 |
|
---|
681 | static int do_if_fetch(struct interface *ife)
|
---|
682 | {
|
---|
683 | if (if_fetch(ife) < 0) {
|
---|
684 | const char *errmsg;
|
---|
685 |
|
---|
686 | if (errno == ENODEV) {
|
---|
687 | /* Give better error message for this case. */
|
---|
688 | errmsg = "Device not found";
|
---|
689 | } else {
|
---|
690 | errmsg = strerror(errno);
|
---|
691 | }
|
---|
692 | bb_error_msg("%s: error fetching interface information: %s",
|
---|
693 | ife->name, errmsg);
|
---|
694 | return -1;
|
---|
695 | }
|
---|
696 | return 0;
|
---|
697 | }
|
---|
698 |
|
---|
699 | static const struct hwtype unspec_hwtype = {
|
---|
700 | .name = "unspec",
|
---|
701 | .title = "UNSPEC",
|
---|
702 | .type = -1,
|
---|
703 | .print = UNSPEC_print
|
---|
704 | };
|
---|
705 |
|
---|
706 | static const struct hwtype loop_hwtype = {
|
---|
707 | .name = "loop",
|
---|
708 | .title = "Local Loopback",
|
---|
709 | .type = ARPHRD_LOOPBACK
|
---|
710 | };
|
---|
711 |
|
---|
712 | /* Display an Ethernet address in readable format. */
|
---|
713 | static char* FAST_FUNC ether_print(unsigned char *ptr)
|
---|
714 | {
|
---|
715 | static char *buff;
|
---|
716 |
|
---|
717 | free(buff);
|
---|
718 | buff = xasprintf("%02X:%02X:%02X:%02X:%02X:%02X",
|
---|
719 | (ptr[0] & 0377), (ptr[1] & 0377), (ptr[2] & 0377),
|
---|
720 | (ptr[3] & 0377), (ptr[4] & 0377), (ptr[5] & 0377)
|
---|
721 | );
|
---|
722 | return buff;
|
---|
723 | }
|
---|
724 |
|
---|
725 | static int FAST_FUNC ether_input(const char *bufp, struct sockaddr *sap);
|
---|
726 |
|
---|
727 | static const struct hwtype ether_hwtype = {
|
---|
728 | .name = "ether",
|
---|
729 | .title = "Ethernet",
|
---|
730 | .type = ARPHRD_ETHER,
|
---|
731 | .alen = ETH_ALEN,
|
---|
732 | .print = ether_print,
|
---|
733 | .input = ether_input
|
---|
734 | };
|
---|
735 |
|
---|
736 | static unsigned hexchar2int(char c)
|
---|
737 | {
|
---|
738 | if (isdigit(c))
|
---|
739 | return c - '0';
|
---|
740 | c &= ~0x20; /* a -> A */
|
---|
741 | if ((unsigned)(c - 'A') <= 5)
|
---|
742 | return c - ('A' - 10);
|
---|
743 | return ~0U;
|
---|
744 | }
|
---|
745 |
|
---|
746 | /* Input an Ethernet address and convert to binary. */
|
---|
747 | static int FAST_FUNC ether_input(const char *bufp, struct sockaddr *sap)
|
---|
748 | {
|
---|
749 | unsigned char *ptr;
|
---|
750 | char c;
|
---|
751 | int i;
|
---|
752 | unsigned val;
|
---|
753 |
|
---|
754 | sap->sa_family = ether_hwtype.type;
|
---|
755 | ptr = (unsigned char*) sap->sa_data;
|
---|
756 |
|
---|
757 | i = 0;
|
---|
758 | while ((*bufp != '\0') && (i < ETH_ALEN)) {
|
---|
759 | val = hexchar2int(*bufp++) * 0x10;
|
---|
760 | if (val > 0xff) {
|
---|
761 | errno = EINVAL;
|
---|
762 | return -1;
|
---|
763 | }
|
---|
764 | c = *bufp;
|
---|
765 | if (c == ':' || c == 0)
|
---|
766 | val >>= 4;
|
---|
767 | else {
|
---|
768 | val |= hexchar2int(c);
|
---|
769 | if (val > 0xff) {
|
---|
770 | errno = EINVAL;
|
---|
771 | return -1;
|
---|
772 | }
|
---|
773 | }
|
---|
774 | if (c != 0)
|
---|
775 | bufp++;
|
---|
776 | *ptr++ = (unsigned char) val;
|
---|
777 | i++;
|
---|
778 |
|
---|
779 | /* We might get a semicolon here - not required. */
|
---|
780 | if (*bufp == ':') {
|
---|
781 | bufp++;
|
---|
782 | }
|
---|
783 | }
|
---|
784 | return 0;
|
---|
785 | }
|
---|
786 |
|
---|
787 | static const struct hwtype ppp_hwtype = {
|
---|
788 | .name = "ppp",
|
---|
789 | .title = "Point-to-Point Protocol",
|
---|
790 | .type = ARPHRD_PPP
|
---|
791 | };
|
---|
792 |
|
---|
793 | #if ENABLE_FEATURE_IPV6
|
---|
794 | static const struct hwtype sit_hwtype = {
|
---|
795 | .name = "sit",
|
---|
796 | .title = "IPv6-in-IPv4",
|
---|
797 | .type = ARPHRD_SIT,
|
---|
798 | .print = UNSPEC_print,
|
---|
799 | .suppress_null_addr = 1
|
---|
800 | };
|
---|
801 | #endif
|
---|
802 | #if ENABLE_FEATURE_HWIB
|
---|
803 | static const struct hwtype ib_hwtype = {
|
---|
804 | .name = "infiniband",
|
---|
805 | .title = "InfiniBand",
|
---|
806 | .type = ARPHRD_INFINIBAND,
|
---|
807 | .alen = INFINIBAND_ALEN,
|
---|
808 | .print = UNSPEC_print,
|
---|
809 | .input = in_ib,
|
---|
810 | };
|
---|
811 | #endif
|
---|
812 |
|
---|
813 |
|
---|
814 | static const struct hwtype *const hwtypes[] = {
|
---|
815 | &loop_hwtype,
|
---|
816 | ðer_hwtype,
|
---|
817 | &ppp_hwtype,
|
---|
818 | &unspec_hwtype,
|
---|
819 | #if ENABLE_FEATURE_IPV6
|
---|
820 | &sit_hwtype,
|
---|
821 | #endif
|
---|
822 | #if ENABLE_FEATURE_HWIB
|
---|
823 | &ib_hwtype,
|
---|
824 | #endif
|
---|
825 | NULL
|
---|
826 | };
|
---|
827 |
|
---|
828 | #ifdef IFF_PORTSEL
|
---|
829 | static const char *const if_port_text[] = {
|
---|
830 | /* Keep in step with <linux/netdevice.h> */
|
---|
831 | "unknown",
|
---|
832 | "10base2",
|
---|
833 | "10baseT",
|
---|
834 | "AUI",
|
---|
835 | "100baseT",
|
---|
836 | "100baseTX",
|
---|
837 | "100baseFX",
|
---|
838 | NULL
|
---|
839 | };
|
---|
840 | #endif
|
---|
841 |
|
---|
842 | /* Check our hardware type table for this type. */
|
---|
843 | const struct hwtype* FAST_FUNC get_hwtype(const char *name)
|
---|
844 | {
|
---|
845 | const struct hwtype *const *hwp;
|
---|
846 |
|
---|
847 | hwp = hwtypes;
|
---|
848 | while (*hwp != NULL) {
|
---|
849 | if (!strcmp((*hwp)->name, name))
|
---|
850 | return (*hwp);
|
---|
851 | hwp++;
|
---|
852 | }
|
---|
853 | return NULL;
|
---|
854 | }
|
---|
855 |
|
---|
856 | /* Check our hardware type table for this type. */
|
---|
857 | const struct hwtype* FAST_FUNC get_hwntype(int type)
|
---|
858 | {
|
---|
859 | const struct hwtype *const *hwp;
|
---|
860 |
|
---|
861 | hwp = hwtypes;
|
---|
862 | while (*hwp != NULL) {
|
---|
863 | if ((*hwp)->type == type)
|
---|
864 | return *hwp;
|
---|
865 | hwp++;
|
---|
866 | }
|
---|
867 | return NULL;
|
---|
868 | }
|
---|
869 |
|
---|
870 | /* return 1 if address is all zeros */
|
---|
871 | static int hw_null_address(const struct hwtype *hw, void *ap)
|
---|
872 | {
|
---|
873 | int i;
|
---|
874 | unsigned char *address = (unsigned char *) ap;
|
---|
875 |
|
---|
876 | for (i = 0; i < hw->alen; i++)
|
---|
877 | if (address[i])
|
---|
878 | return 0;
|
---|
879 | return 1;
|
---|
880 | }
|
---|
881 |
|
---|
882 | static const char TRext[] ALIGN1 = "\0\0\0Ki\0Mi\0Gi\0Ti";
|
---|
883 |
|
---|
884 | static void print_bytes_scaled(unsigned long long ull, const char *end)
|
---|
885 | {
|
---|
886 | unsigned long long int_part;
|
---|
887 | const char *ext;
|
---|
888 | unsigned int frac_part;
|
---|
889 | int i;
|
---|
890 |
|
---|
891 | frac_part = 0;
|
---|
892 | ext = TRext;
|
---|
893 | int_part = ull;
|
---|
894 | i = 4;
|
---|
895 | do {
|
---|
896 | if (int_part >= 1024) {
|
---|
897 | frac_part = ((((unsigned int) int_part) & (1024-1)) * 10) / 1024;
|
---|
898 | int_part /= 1024;
|
---|
899 | ext += 3; /* KiB, MiB, GiB, TiB */
|
---|
900 | }
|
---|
901 | --i;
|
---|
902 | } while (i);
|
---|
903 |
|
---|
904 | printf("X bytes:%llu (%llu.%u %sB)%s", ull, int_part, frac_part, ext, end);
|
---|
905 | }
|
---|
906 |
|
---|
907 |
|
---|
908 | #ifdef HAVE_AFINET6
|
---|
909 | #define IPV6_ADDR_ANY 0x0000U
|
---|
910 |
|
---|
911 | #define IPV6_ADDR_UNICAST 0x0001U
|
---|
912 | #define IPV6_ADDR_MULTICAST 0x0002U
|
---|
913 | #define IPV6_ADDR_ANYCAST 0x0004U
|
---|
914 |
|
---|
915 | #define IPV6_ADDR_LOOPBACK 0x0010U
|
---|
916 | #define IPV6_ADDR_LINKLOCAL 0x0020U
|
---|
917 | #define IPV6_ADDR_SITELOCAL 0x0040U
|
---|
918 |
|
---|
919 | #define IPV6_ADDR_COMPATv4 0x0080U
|
---|
920 |
|
---|
921 | #define IPV6_ADDR_SCOPE_MASK 0x00f0U
|
---|
922 |
|
---|
923 | #define IPV6_ADDR_MAPPED 0x1000U
|
---|
924 | #define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
|
---|
925 |
|
---|
926 |
|
---|
927 | static void ife_print6(struct interface *ptr)
|
---|
928 | {
|
---|
929 | FILE *f;
|
---|
930 | char addr6[40], devname[20];
|
---|
931 | struct sockaddr_in6 sap;
|
---|
932 | int plen, scope, dad_status, if_idx;
|
---|
933 | char addr6p[8][5];
|
---|
934 |
|
---|
935 | f = fopen_for_read(_PATH_PROCNET_IFINET6);
|
---|
936 | if (f == NULL)
|
---|
937 | return;
|
---|
938 |
|
---|
939 | while (fscanf
|
---|
940 | (f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n",
|
---|
941 | addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4],
|
---|
942 | addr6p[5], addr6p[6], addr6p[7], &if_idx, &plen, &scope,
|
---|
943 | &dad_status, devname) != EOF
|
---|
944 | ) {
|
---|
945 | if (!strcmp(devname, ptr->name)) {
|
---|
946 | sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
|
---|
947 | addr6p[0], addr6p[1], addr6p[2], addr6p[3],
|
---|
948 | addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
|
---|
949 | inet_pton(AF_INET6, addr6,
|
---|
950 | (struct sockaddr *) &sap.sin6_addr);
|
---|
951 | sap.sin6_family = AF_INET6;
|
---|
952 | printf(" inet6 addr: %s/%d",
|
---|
953 | INET6_sprint((struct sockaddr *) &sap, 1),
|
---|
954 | plen);
|
---|
955 | printf(" Scope:");
|
---|
956 | switch (scope & IPV6_ADDR_SCOPE_MASK) {
|
---|
957 | case 0:
|
---|
958 | puts("Global");
|
---|
959 | break;
|
---|
960 | case IPV6_ADDR_LINKLOCAL:
|
---|
961 | puts("Link");
|
---|
962 | break;
|
---|
963 | case IPV6_ADDR_SITELOCAL:
|
---|
964 | puts("Site");
|
---|
965 | break;
|
---|
966 | case IPV6_ADDR_COMPATv4:
|
---|
967 | puts("Compat");
|
---|
968 | break;
|
---|
969 | case IPV6_ADDR_LOOPBACK:
|
---|
970 | puts("Host");
|
---|
971 | break;
|
---|
972 | default:
|
---|
973 | puts("Unknown");
|
---|
974 | }
|
---|
975 | }
|
---|
976 | }
|
---|
977 | fclose(f);
|
---|
978 | }
|
---|
979 | #else
|
---|
980 | #define ife_print6(a) ((void)0)
|
---|
981 | #endif
|
---|
982 |
|
---|
983 | static void ife_print(struct interface *ptr)
|
---|
984 | {
|
---|
985 | const struct aftype *ap;
|
---|
986 | const struct hwtype *hw;
|
---|
987 | int hf;
|
---|
988 | int can_compress = 0;
|
---|
989 |
|
---|
990 | ap = get_afntype(ptr->addr.sa_family);
|
---|
991 | if (ap == NULL)
|
---|
992 | ap = get_afntype(0);
|
---|
993 |
|
---|
994 | hf = ptr->type;
|
---|
995 |
|
---|
996 | if (hf == ARPHRD_CSLIP || hf == ARPHRD_CSLIP6)
|
---|
997 | can_compress = 1;
|
---|
998 |
|
---|
999 | hw = get_hwntype(hf);
|
---|
1000 | if (hw == NULL)
|
---|
1001 | hw = get_hwntype(-1);
|
---|
1002 |
|
---|
1003 | printf("%-9s Link encap:%s ", ptr->name, hw->title);
|
---|
1004 | /* For some hardware types (eg Ash, ATM) we don't print the
|
---|
1005 | hardware address if it's null. */
|
---|
1006 | if (hw->print != NULL
|
---|
1007 | && !(hw_null_address(hw, ptr->hwaddr) && hw->suppress_null_addr)
|
---|
1008 | ) {
|
---|
1009 | printf("HWaddr %s ", hw->print((unsigned char *)ptr->hwaddr));
|
---|
1010 | }
|
---|
1011 | #ifdef IFF_PORTSEL
|
---|
1012 | if (ptr->flags & IFF_PORTSEL) {
|
---|
1013 | printf("Media:%s", if_port_text[ptr->map.port] /* [0] */);
|
---|
1014 | if (ptr->flags & IFF_AUTOMEDIA)
|
---|
1015 | printf("(auto)");
|
---|
1016 | }
|
---|
1017 | #endif
|
---|
1018 | bb_putchar('\n');
|
---|
1019 |
|
---|
1020 | if (ptr->has_ip) {
|
---|
1021 | printf(" %s addr:%s ", ap->name,
|
---|
1022 | ap->sprint(&ptr->addr, 1));
|
---|
1023 | if (ptr->flags & IFF_POINTOPOINT) {
|
---|
1024 | printf(" P-t-P:%s ", ap->sprint(&ptr->dstaddr, 1));
|
---|
1025 | }
|
---|
1026 | if (ptr->flags & IFF_BROADCAST) {
|
---|
1027 | printf(" Bcast:%s ", ap->sprint(&ptr->broadaddr, 1));
|
---|
1028 | }
|
---|
1029 | printf(" Mask:%s\n", ap->sprint(&ptr->netmask, 1));
|
---|
1030 | }
|
---|
1031 |
|
---|
1032 | ife_print6(ptr);
|
---|
1033 |
|
---|
1034 | printf(" ");
|
---|
1035 | /* DONT FORGET TO ADD THE FLAGS IN ife_print_short, too */
|
---|
1036 |
|
---|
1037 | if (ptr->flags == 0) {
|
---|
1038 | printf("[NO FLAGS] ");
|
---|
1039 | } else {
|
---|
1040 | static const char ife_print_flags_strs[] ALIGN1 =
|
---|
1041 | "UP\0"
|
---|
1042 | "BROADCAST\0"
|
---|
1043 | "DEBUG\0"
|
---|
1044 | "LOOPBACK\0"
|
---|
1045 | "POINTOPOINT\0"
|
---|
1046 | "NOTRAILERS\0"
|
---|
1047 | "RUNNING\0"
|
---|
1048 | "NOARP\0"
|
---|
1049 | "PROMISC\0"
|
---|
1050 | "ALLMULTI\0"
|
---|
1051 | "SLAVE\0"
|
---|
1052 | "MASTER\0"
|
---|
1053 | "MULTICAST\0"
|
---|
1054 | #ifdef HAVE_DYNAMIC
|
---|
1055 | "DYNAMIC\0"
|
---|
1056 | #endif
|
---|
1057 | ;
|
---|
1058 | static const unsigned short ife_print_flags_mask[] ALIGN2 = {
|
---|
1059 | IFF_UP,
|
---|
1060 | IFF_BROADCAST,
|
---|
1061 | IFF_DEBUG,
|
---|
1062 | IFF_LOOPBACK,
|
---|
1063 | IFF_POINTOPOINT,
|
---|
1064 | IFF_NOTRAILERS,
|
---|
1065 | IFF_RUNNING,
|
---|
1066 | IFF_NOARP,
|
---|
1067 | IFF_PROMISC,
|
---|
1068 | IFF_ALLMULTI,
|
---|
1069 | IFF_SLAVE,
|
---|
1070 | IFF_MASTER,
|
---|
1071 | IFF_MULTICAST
|
---|
1072 | #ifdef HAVE_DYNAMIC
|
---|
1073 | ,IFF_DYNAMIC
|
---|
1074 | #endif
|
---|
1075 | };
|
---|
1076 | const unsigned short *mask = ife_print_flags_mask;
|
---|
1077 | const char *str = ife_print_flags_strs;
|
---|
1078 | do {
|
---|
1079 | if (ptr->flags & *mask) {
|
---|
1080 | printf("%s ", str);
|
---|
1081 | }
|
---|
1082 | mask++;
|
---|
1083 | str += strlen(str) + 1;
|
---|
1084 | } while (*str);
|
---|
1085 | }
|
---|
1086 |
|
---|
1087 | /* DONT FORGET TO ADD THE FLAGS IN ife_print_short */
|
---|
1088 | printf(" MTU:%d Metric:%d", ptr->mtu, ptr->metric ? ptr->metric : 1);
|
---|
1089 | #ifdef SIOCSKEEPALIVE
|
---|
1090 | if (ptr->outfill || ptr->keepalive)
|
---|
1091 | printf(" Outfill:%d Keepalive:%d", ptr->outfill, ptr->keepalive);
|
---|
1092 | #endif
|
---|
1093 | bb_putchar('\n');
|
---|
1094 |
|
---|
1095 | /* If needed, display the interface statistics. */
|
---|
1096 |
|
---|
1097 | if (ptr->statistics_valid) {
|
---|
1098 | /* XXX: statistics are currently only printed for the primary address,
|
---|
1099 | * not for the aliases, although strictly speaking they're shared
|
---|
1100 | * by all addresses.
|
---|
1101 | */
|
---|
1102 | printf(" ");
|
---|
1103 |
|
---|
1104 | printf("RX packets:%llu errors:%lu dropped:%lu overruns:%lu frame:%lu\n",
|
---|
1105 | ptr->stats.rx_packets, ptr->stats.rx_errors,
|
---|
1106 | ptr->stats.rx_dropped, ptr->stats.rx_fifo_errors,
|
---|
1107 | ptr->stats.rx_frame_errors);
|
---|
1108 | if (can_compress)
|
---|
1109 | printf(" compressed:%lu\n",
|
---|
1110 | ptr->stats.rx_compressed);
|
---|
1111 | printf(" ");
|
---|
1112 | printf("TX packets:%llu errors:%lu dropped:%lu overruns:%lu carrier:%lu\n",
|
---|
1113 | ptr->stats.tx_packets, ptr->stats.tx_errors,
|
---|
1114 | ptr->stats.tx_dropped, ptr->stats.tx_fifo_errors,
|
---|
1115 | ptr->stats.tx_carrier_errors);
|
---|
1116 | printf(" collisions:%lu ", ptr->stats.collisions);
|
---|
1117 | if (can_compress)
|
---|
1118 | printf("compressed:%lu ", ptr->stats.tx_compressed);
|
---|
1119 | if (ptr->tx_queue_len != -1)
|
---|
1120 | printf("txqueuelen:%d ", ptr->tx_queue_len);
|
---|
1121 | printf("\n R");
|
---|
1122 | print_bytes_scaled(ptr->stats.rx_bytes, " T");
|
---|
1123 | print_bytes_scaled(ptr->stats.tx_bytes, "\n");
|
---|
1124 | }
|
---|
1125 |
|
---|
1126 | if (ptr->map.irq || ptr->map.mem_start
|
---|
1127 | || ptr->map.dma || ptr->map.base_addr
|
---|
1128 | ) {
|
---|
1129 | printf(" ");
|
---|
1130 | if (ptr->map.irq)
|
---|
1131 | printf("Interrupt:%d ", ptr->map.irq);
|
---|
1132 | if (ptr->map.base_addr >= 0x100) /* Only print devices using it for I/O maps */
|
---|
1133 | printf("Base address:0x%lx ",
|
---|
1134 | (unsigned long) ptr->map.base_addr);
|
---|
1135 | if (ptr->map.mem_start) {
|
---|
1136 | printf("Memory:%lx-%lx ", ptr->map.mem_start,
|
---|
1137 | ptr->map.mem_end);
|
---|
1138 | }
|
---|
1139 | if (ptr->map.dma)
|
---|
1140 | printf("DMA chan:%x ", ptr->map.dma);
|
---|
1141 | bb_putchar('\n');
|
---|
1142 | }
|
---|
1143 | bb_putchar('\n');
|
---|
1144 | }
|
---|
1145 |
|
---|
1146 | static int do_if_print(struct interface *ife) /*, int *opt_a)*/
|
---|
1147 | {
|
---|
1148 | int res;
|
---|
1149 |
|
---|
1150 | res = do_if_fetch(ife);
|
---|
1151 | if (res >= 0) {
|
---|
1152 | if ((ife->flags & IFF_UP) || interface_opt_a)
|
---|
1153 | ife_print(ife);
|
---|
1154 | }
|
---|
1155 | return res;
|
---|
1156 | }
|
---|
1157 |
|
---|
1158 | static struct interface *lookup_interface(char *name)
|
---|
1159 | {
|
---|
1160 | struct interface *ife = NULL;
|
---|
1161 |
|
---|
1162 | if (if_readlist_proc(name) < 0)
|
---|
1163 | return NULL;
|
---|
1164 | ife = add_interface(name);
|
---|
1165 | return ife;
|
---|
1166 | }
|
---|
1167 |
|
---|
1168 | #ifdef UNUSED
|
---|
1169 | static int for_all_interfaces(int (*doit) (struct interface *, void *),
|
---|
1170 | void *cookie)
|
---|
1171 | {
|
---|
1172 | struct interface *ife;
|
---|
1173 |
|
---|
1174 | if (!int_list && (if_readlist() < 0))
|
---|
1175 | return -1;
|
---|
1176 | for (ife = int_list; ife; ife = ife->next) {
|
---|
1177 | int err = doit(ife, cookie);
|
---|
1178 | if (err)
|
---|
1179 | return err;
|
---|
1180 | }
|
---|
1181 | return 0;
|
---|
1182 | }
|
---|
1183 | #endif
|
---|
1184 |
|
---|
1185 | /* for ipv4 add/del modes */
|
---|
1186 | static int if_print(char *ifname)
|
---|
1187 | {
|
---|
1188 | struct interface *ife;
|
---|
1189 | int res;
|
---|
1190 |
|
---|
1191 | if (!ifname) {
|
---|
1192 | /*res = for_all_interfaces(do_if_print, &interface_opt_a);*/
|
---|
1193 | if (!int_list && (if_readlist() < 0))
|
---|
1194 | return -1;
|
---|
1195 | for (ife = int_list; ife; ife = ife->next) {
|
---|
1196 | int err = do_if_print(ife); /*, &interface_opt_a);*/
|
---|
1197 | if (err)
|
---|
1198 | return err;
|
---|
1199 | }
|
---|
1200 | return 0;
|
---|
1201 | }
|
---|
1202 | ife = lookup_interface(ifname);
|
---|
1203 | res = do_if_fetch(ife);
|
---|
1204 | if (res >= 0)
|
---|
1205 | ife_print(ife);
|
---|
1206 | return res;
|
---|
1207 | }
|
---|
1208 |
|
---|
1209 | #if ENABLE_FEATURE_HWIB
|
---|
1210 | /* Input an Infiniband address and convert to binary. */
|
---|
1211 | int FAST_FUNC in_ib(const char *bufp, struct sockaddr *sap)
|
---|
1212 | {
|
---|
1213 | sap->sa_family = ib_hwtype.type;
|
---|
1214 | //TODO: error check?
|
---|
1215 | hex2bin((char*)sap->sa_data, bufp, INFINIBAND_ALEN);
|
---|
1216 | # ifdef HWIB_DEBUG
|
---|
1217 | fprintf(stderr, "in_ib(%s): %s\n", bufp, UNSPEC_print(sap->sa_data));
|
---|
1218 | # endif
|
---|
1219 | return 0;
|
---|
1220 | }
|
---|
1221 | #endif
|
---|
1222 |
|
---|
1223 | int FAST_FUNC display_interfaces(char *ifname)
|
---|
1224 | {
|
---|
1225 | int status;
|
---|
1226 |
|
---|
1227 | status = if_print(ifname);
|
---|
1228 |
|
---|
1229 | return (status < 0); /* status < 0 == 1 -- error */
|
---|
1230 | }
|
---|