[1765] | 1 | /* vi: set sw=4 ts=4: */
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[821] | 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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[2725] | 22 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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[821] | 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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[3232] | 30 | * 20001008 - Bernd Eckenfels, Patch from RH for setting mtu
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[821] | 31 | * (default AF was wrong)
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| 32 | */
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[3232] | 33 |
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| 34 | #include "libbb.h"
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| 35 | #include "inet_common.h"
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[821] | 36 | #include <net/if.h>
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| 37 | #include <net/if_arp.h>
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[3232] | 38 | #ifdef HAVE_NET_ETHERNET_H
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[2725] | 39 | # include <net/ethernet.h>
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| 40 | #endif
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[821] | 41 |
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[2725] | 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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[1765] | 48 | #if ENABLE_FEATURE_IPV6
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[821] | 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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[1765] | 57 | #ifdef HAVE_AFINET6
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[2725] | 58 | # ifndef _LINUX_IN6_H
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[821] | 59 | /*
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[2725] | 60 | * This is from linux/include/net/ipv6.h
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[821] | 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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[2725] | 67 | # endif
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[1765] | 68 | #endif /* HAVE_AFINET6 */
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[821] | 69 |
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| 70 | /* Defines for glibc2.0 users. */
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| 71 | #ifndef SIOCSIFTXQLEN
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[2725] | 72 | # define SIOCSIFTXQLEN 0x8943
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| 73 | # define SIOCGIFTXQLEN 0x8942
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[821] | 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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[2725] | 78 | # define ifr_qlen ifr_ifru.ifru_mtu
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[821] | 79 | #endif
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| 80 |
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| 81 | #ifndef HAVE_TXQUEUELEN
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[2725] | 82 | # define HAVE_TXQUEUELEN 1
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[821] | 83 | #endif
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| 84 |
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| 85 | #ifndef IFF_DYNAMIC
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[2725] | 86 | # define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses */
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[821] | 87 | #endif
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| 88 |
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| 89 | /* Display an Internet socket address. */
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[2725] | 90 | static const char* FAST_FUNC INET_sprint(struct sockaddr *sap, int numeric)
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[821] | 91 | {
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| 92 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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[1765] | 93 | return "[NONE SET]";
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[3621] | 94 | return auto_string(INET_rresolve((struct sockaddr_in *) sap, numeric, 0xffffff00));
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[1765] | 95 | }
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[821] | 96 |
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[1765] | 97 | #ifdef UNUSED_AND_BUGGY
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| 98 | static int INET_getsock(char *bufp, struct sockaddr *sap)
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| 99 | {
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| 100 | char *sp = bufp, *bp;
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| 101 | unsigned int i;
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| 102 | unsigned val;
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| 103 | struct sockaddr_in *sock_in;
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[821] | 104 |
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[1765] | 105 | sock_in = (struct sockaddr_in *) sap;
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| 106 | sock_in->sin_family = AF_INET;
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| 107 | sock_in->sin_port = 0;
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| 108 |
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| 109 | val = 0;
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| 110 | bp = (char *) &val;
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| 111 | for (i = 0; i < sizeof(sock_in->sin_addr.s_addr); i++) {
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| 112 | *sp = toupper(*sp);
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| 113 |
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| 114 | if ((unsigned)(*sp - 'A') <= 5)
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| 115 | bp[i] |= (int) (*sp - ('A' - 10));
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| 116 | else if (isdigit(*sp))
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| 117 | bp[i] |= (int) (*sp - '0');
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| 118 | else
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| 119 | return -1;
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| 120 |
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| 121 | bp[i] <<= 4;
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| 122 | sp++;
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| 123 | *sp = toupper(*sp);
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| 124 |
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| 125 | if ((unsigned)(*sp - 'A') <= 5)
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| 126 | bp[i] |= (int) (*sp - ('A' - 10));
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| 127 | else if (isdigit(*sp))
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| 128 | bp[i] |= (int) (*sp - '0');
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| 129 | else
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| 130 | return -1;
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| 131 |
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| 132 | sp++;
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| 133 | }
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| 134 | sock_in->sin_addr.s_addr = htonl(val);
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| 135 |
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| 136 | return (sp - bufp);
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[821] | 137 | }
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[1765] | 138 | #endif
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[821] | 139 |
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[2725] | 140 | static int FAST_FUNC INET_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
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[1765] | 141 | {
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| 142 | return INET_resolve(bufp, (struct sockaddr_in *) sap, 0);
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| 143 | /*
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| 144 | switch (type) {
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| 145 | case 1:
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| 146 | return (INET_getsock(bufp, sap));
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| 147 | case 256:
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| 148 | return (INET_resolve(bufp, (struct sockaddr_in *) sap, 1));
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| 149 | default:
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| 150 | return (INET_resolve(bufp, (struct sockaddr_in *) sap, 0));
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| 151 | }
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| 152 | */
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| 153 | }
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| 154 |
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| 155 | static const struct aftype inet_aftype = {
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[2725] | 156 | .name = "inet",
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| 157 | .title = "DARPA Internet",
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| 158 | .af = AF_INET,
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| 159 | .alen = 4,
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| 160 | .sprint = INET_sprint,
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| 161 | .input = INET_input,
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[821] | 162 | };
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| 163 |
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[1765] | 164 | #ifdef HAVE_AFINET6
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[821] | 165 |
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| 166 | /* Display an Internet socket address. */
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| 167 | /* dirty! struct sockaddr usually doesn't suffer for inet6 addresses, fst. */
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[2725] | 168 | static const char* FAST_FUNC INET6_sprint(struct sockaddr *sap, int numeric)
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[821] | 169 | {
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| 170 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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[1765] | 171 | return "[NONE SET]";
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[3621] | 172 | return auto_string(INET6_rresolve((struct sockaddr_in6 *) sap, numeric));
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[821] | 173 | }
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| 174 |
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[1765] | 175 | #ifdef UNUSED
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| 176 | static int INET6_getsock(char *bufp, struct sockaddr *sap)
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| 177 | {
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| 178 | struct sockaddr_in6 *sin6;
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| 179 |
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| 180 | sin6 = (struct sockaddr_in6 *) sap;
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| 181 | sin6->sin6_family = AF_INET6;
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| 182 | sin6->sin6_port = 0;
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| 183 |
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| 184 | if (inet_pton(AF_INET6, bufp, sin6->sin6_addr.s6_addr) <= 0)
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| 185 | return -1;
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| 186 |
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| 187 | return 16; /* ?;) */
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| 188 | }
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| 189 | #endif
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| 190 |
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[2725] | 191 | static int FAST_FUNC INET6_input(/*int type,*/ const char *bufp, struct sockaddr *sap)
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[1765] | 192 | {
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| 193 | return INET6_resolve(bufp, (struct sockaddr_in6 *) sap);
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| 194 | /*
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| 195 | switch (type) {
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| 196 | case 1:
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| 197 | return (INET6_getsock(bufp, sap));
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| 198 | default:
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| 199 | return (INET6_resolve(bufp, (struct sockaddr_in6 *) sap));
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| 200 | }
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| 201 | */
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| 202 | }
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| 203 |
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| 204 | static const struct aftype inet6_aftype = {
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[2725] | 205 | .name = "inet6",
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| 206 | .title = "IPv6",
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| 207 | .af = AF_INET6,
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| 208 | .alen = sizeof(struct in6_addr),
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| 209 | .sprint = INET6_sprint,
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| 210 | .input = INET6_input,
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[821] | 211 | };
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| 212 |
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[1765] | 213 | #endif /* HAVE_AFINET6 */
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[821] | 214 |
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| 215 | /* Display an UNSPEC address. */
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[2725] | 216 | static char* FAST_FUNC UNSPEC_print(unsigned char *ptr)
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[821] | 217 | {
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[3621] | 218 | char *buff;
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[821] | 219 | char *pos;
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| 220 | unsigned int i;
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| 221 |
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[3621] | 222 | buff = auto_string(xmalloc(sizeof(struct sockaddr) * 3 + 1));
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[821] | 223 | pos = buff;
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| 224 | for (i = 0; i < sizeof(struct sockaddr); i++) {
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| 225 | /* careful -- not every libc's sprintf returns # bytes written */
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| 226 | sprintf(pos, "%02X-", (*ptr++ & 0377));
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| 227 | pos += 3;
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| 228 | }
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| 229 | /* Erase trailing "-". Works as long as sizeof(struct sockaddr) != 0 */
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| 230 | *--pos = '\0';
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[1765] | 231 | return buff;
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[821] | 232 | }
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| 233 |
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| 234 | /* Display an UNSPEC socket address. */
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[2725] | 235 | static const char* FAST_FUNC UNSPEC_sprint(struct sockaddr *sap, int numeric UNUSED_PARAM)
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[821] | 236 | {
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| 237 | if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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[1765] | 238 | return "[NONE SET]";
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| 239 | return UNSPEC_print((unsigned char *)sap->sa_data);
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[821] | 240 | }
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| 241 |
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[1765] | 242 | static const struct aftype unspec_aftype = {
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| 243 | .name = "unspec",
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| 244 | .title = "UNSPEC",
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| 245 | .af = AF_UNSPEC,
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[2725] | 246 | .alen = 0,
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[1765] | 247 | .print = UNSPEC_print,
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| 248 | .sprint = UNSPEC_sprint,
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[821] | 249 | };
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| 250 |
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[1765] | 251 | static const struct aftype *const aftypes[] = {
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[821] | 252 | &inet_aftype,
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[1765] | 253 | #ifdef HAVE_AFINET6
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[821] | 254 | &inet6_aftype,
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| 255 | #endif
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| 256 | &unspec_aftype,
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| 257 | NULL
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| 258 | };
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| 259 |
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| 260 | /* Check our protocol family table for this family. */
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[2725] | 261 | const struct aftype* FAST_FUNC get_aftype(const char *name)
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[821] | 262 | {
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[1765] | 263 | const struct aftype *const *afp;
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[821] | 264 |
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| 265 | afp = aftypes;
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| 266 | while (*afp != NULL) {
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[1765] | 267 | if (!strcmp((*afp)->name, name))
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[821] | 268 | return (*afp);
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| 269 | afp++;
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| 270 | }
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[1765] | 271 | return NULL;
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[821] | 272 | }
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| 273 |
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[1765] | 274 | /* Check our protocol family table for this family. */
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| 275 | static const struct aftype *get_afntype(int af)
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[821] | 276 | {
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[1765] | 277 | const struct aftype *const *afp;
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[821] | 278 |
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| 279 | afp = aftypes;
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| 280 | while (*afp != NULL) {
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| 281 | if ((*afp)->af == af)
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[1765] | 282 | return *afp;
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[821] | 283 | afp++;
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| 284 | }
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[1765] | 285 | return NULL;
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[821] | 286 | }
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| 287 |
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| 288 | struct user_net_device_stats {
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| 289 | unsigned long long rx_packets; /* total packets received */
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| 290 | unsigned long long tx_packets; /* total packets transmitted */
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| 291 | unsigned long long rx_bytes; /* total bytes received */
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| 292 | unsigned long long tx_bytes; /* total bytes transmitted */
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| 293 | unsigned long rx_errors; /* bad packets received */
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| 294 | unsigned long tx_errors; /* packet transmit problems */
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| 295 | unsigned long rx_dropped; /* no space in linux buffers */
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| 296 | unsigned long tx_dropped; /* no space available in linux */
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| 297 | unsigned long rx_multicast; /* multicast packets received */
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| 298 | unsigned long rx_compressed;
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| 299 | unsigned long tx_compressed;
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| 300 | unsigned long collisions;
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| 301 |
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| 302 | /* detailed rx_errors: */
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| 303 | unsigned long rx_length_errors;
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| 304 | unsigned long rx_over_errors; /* receiver ring buff overflow */
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| 305 | unsigned long rx_crc_errors; /* recved pkt with crc error */
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| 306 | unsigned long rx_frame_errors; /* recv'd frame alignment error */
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| 307 | unsigned long rx_fifo_errors; /* recv'r fifo overrun */
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| 308 | unsigned long rx_missed_errors; /* receiver missed packet */
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| 309 | /* detailed tx_errors */
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| 310 | unsigned long tx_aborted_errors;
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| 311 | unsigned long tx_carrier_errors;
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| 312 | unsigned long tx_fifo_errors;
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| 313 | unsigned long tx_heartbeat_errors;
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| 314 | unsigned long tx_window_errors;
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| 315 | };
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| 316 |
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| 317 | struct interface {
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| 318 | struct interface *next, *prev;
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[2725] | 319 | char name[IFNAMSIZ]; /* interface name */
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| 320 | short type; /* if type */
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| 321 | short flags; /* various flags */
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| 322 | int metric; /* routing metric */
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| 323 | int mtu; /* MTU value */
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| 324 | int tx_queue_len; /* transmit queue length */
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| 325 | struct ifmap map; /* hardware setup */
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| 326 | struct sockaddr addr; /* IP address */
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| 327 | struct sockaddr dstaddr; /* P-P IP address */
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| 328 | struct sockaddr broadaddr; /* IP broadcast address */
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| 329 | struct sockaddr netmask; /* IP network mask */
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[821] | 330 | int has_ip;
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[2725] | 331 | char hwaddr[32]; /* HW address */
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[821] | 332 | int statistics_valid;
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[2725] | 333 | struct user_net_device_stats stats; /* statistics */
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| 334 | int keepalive; /* keepalive value for SLIP */
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| 335 | int outfill; /* outfill value for SLIP */
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[821] | 336 | };
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| 337 |
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| 338 |
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[1765] | 339 | smallint interface_opt_a; /* show all interfaces */
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[821] | 340 |
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| 341 | static struct interface *int_list, *int_last;
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| 342 |
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| 343 |
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[1765] | 344 | #if 0
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[821] | 345 | /* like strcmp(), but knows about numbers */
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[1765] | 346 | except that the freshly added calls to xatoul() brf on ethernet aliases with
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| 347 | uClibc with e.g.: ife->name='lo' name='eth0:1'
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[821] | 348 | static int nstrcmp(const char *a, const char *b)
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| 349 | {
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| 350 | const char *a_ptr = a;
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| 351 | const char *b_ptr = b;
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| 352 |
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| 353 | while (*a == *b) {
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| 354 | if (*a == '\0') {
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| 355 | return 0;
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| 356 | }
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| 357 | if (!isdigit(*a) && isdigit(*(a+1))) {
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| 358 | a_ptr = a+1;
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| 359 | b_ptr = b+1;
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| 360 | }
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| 361 | a++;
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| 362 | b++;
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| 363 | }
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| 364 |
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| 365 | if (isdigit(*a) && isdigit(*b)) {
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[1765] | 366 | return xatoul(a_ptr) > xatoul(b_ptr) ? 1 : -1;
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[821] | 367 | }
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| 368 | return *a - *b;
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| 369 | }
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[1765] | 370 | #endif
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[821] | 371 |
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| 372 | static struct interface *add_interface(char *name)
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| 373 | {
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| 374 | struct interface *ife, **nextp, *new;
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| 375 |
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| 376 | for (ife = int_last; ife; ife = ife->prev) {
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[1765] | 377 | int n = /*n*/strcmp(ife->name, name);
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[821] | 378 |
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| 379 | if (n == 0)
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| 380 | return ife;
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| 381 | if (n < 0)
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| 382 | break;
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| 383 | }
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| 384 |
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| 385 | new = xzalloc(sizeof(*new));
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[2725] | 386 | strncpy_IFNAMSIZ(new->name, name);
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[821] | 387 | nextp = ife ? &ife->next : &int_list;
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| 388 | new->prev = ife;
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| 389 | new->next = *nextp;
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| 390 | if (new->next)
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| 391 | new->next->prev = new;
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| 392 | else
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| 393 | int_last = new;
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| 394 | *nextp = new;
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| 395 | return new;
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| 396 | }
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| 397 |
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| 398 | static char *get_name(char *name, char *p)
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| 399 | {
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| 400 | /* Extract <name> from nul-terminated p where p matches
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[2725] | 401 | * <name>: after leading whitespace.
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| 402 | * If match is not made, set name empty and return unchanged p
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| 403 | */
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| 404 | char *nameend;
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| 405 | char *namestart = skip_whitespace(p);
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| 406 |
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| 407 | nameend = namestart;
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| 408 | while (*nameend && *nameend != ':' && !isspace(*nameend))
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[821] | 409 | nameend++;
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[2725] | 410 | if (*nameend == ':') {
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| 411 | if ((nameend - namestart) < IFNAMSIZ) {
|
---|
| 412 | memcpy(name, namestart, nameend - namestart);
|
---|
| 413 | name[nameend - namestart] = '\0';
|
---|
| 414 | p = nameend;
|
---|
[821] | 415 | } else {
|
---|
| 416 | /* Interface name too large */
|
---|
[2725] | 417 | name[0] = '\0';
|
---|
[821] | 418 | }
|
---|
| 419 | } else {
|
---|
| 420 | /* trailing ':' not found - return empty */
|
---|
[2725] | 421 | name[0] = '\0';
|
---|
[821] | 422 | }
|
---|
| 423 | return p + 1;
|
---|
| 424 | }
|
---|
| 425 |
|
---|
| 426 | /* If scanf supports size qualifiers for %n conversions, then we can
|
---|
| 427 | * use a modified fmt that simply stores the position in the fields
|
---|
| 428 | * having no associated fields in the proc string. Of course, we need
|
---|
| 429 | * to zero them again when we're done. But that is smaller than the
|
---|
| 430 | * old approach of multiple scanf occurrences with large numbers of
|
---|
| 431 | * args. */
|
---|
| 432 |
|
---|
[1765] | 433 | /* static const char *const ss_fmt[] = { */
|
---|
[821] | 434 | /* "%lln%llu%lu%lu%lu%lu%ln%ln%lln%llu%lu%lu%lu%lu%lu", */
|
---|
| 435 | /* "%llu%llu%lu%lu%lu%lu%ln%ln%llu%llu%lu%lu%lu%lu%lu", */
|
---|
| 436 | /* "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu" */
|
---|
| 437 | /* }; */
|
---|
| 438 |
|
---|
| 439 | /* Lie about the size of the int pointed to for %n. */
|
---|
| 440 | #if INT_MAX == LONG_MAX
|
---|
[1765] | 441 | static const char *const ss_fmt[] = {
|
---|
[821] | 442 | "%n%llu%u%u%u%u%n%n%n%llu%u%u%u%u%u",
|
---|
| 443 | "%llu%llu%u%u%u%u%n%n%llu%llu%u%u%u%u%u",
|
---|
| 444 | "%llu%llu%u%u%u%u%u%u%llu%llu%u%u%u%u%u%u"
|
---|
| 445 | };
|
---|
| 446 | #else
|
---|
[1765] | 447 | static const char *const ss_fmt[] = {
|
---|
[821] | 448 | "%n%llu%lu%lu%lu%lu%n%n%n%llu%lu%lu%lu%lu%lu",
|
---|
| 449 | "%llu%llu%lu%lu%lu%lu%n%n%llu%llu%lu%lu%lu%lu%lu",
|
---|
| 450 | "%llu%llu%lu%lu%lu%lu%lu%lu%llu%llu%lu%lu%lu%lu%lu%lu"
|
---|
| 451 | };
|
---|
| 452 |
|
---|
| 453 | #endif
|
---|
| 454 |
|
---|
| 455 | static void get_dev_fields(char *bp, struct interface *ife, int procnetdev_vsn)
|
---|
| 456 | {
|
---|
| 457 | memset(&ife->stats, 0, sizeof(struct user_net_device_stats));
|
---|
| 458 |
|
---|
| 459 | sscanf(bp, ss_fmt[procnetdev_vsn],
|
---|
| 460 | &ife->stats.rx_bytes, /* missing for 0 */
|
---|
| 461 | &ife->stats.rx_packets,
|
---|
| 462 | &ife->stats.rx_errors,
|
---|
| 463 | &ife->stats.rx_dropped,
|
---|
| 464 | &ife->stats.rx_fifo_errors,
|
---|
| 465 | &ife->stats.rx_frame_errors,
|
---|
| 466 | &ife->stats.rx_compressed, /* missing for <= 1 */
|
---|
| 467 | &ife->stats.rx_multicast, /* missing for <= 1 */
|
---|
| 468 | &ife->stats.tx_bytes, /* missing for 0 */
|
---|
| 469 | &ife->stats.tx_packets,
|
---|
| 470 | &ife->stats.tx_errors,
|
---|
| 471 | &ife->stats.tx_dropped,
|
---|
| 472 | &ife->stats.tx_fifo_errors,
|
---|
| 473 | &ife->stats.collisions,
|
---|
| 474 | &ife->stats.tx_carrier_errors,
|
---|
| 475 | &ife->stats.tx_compressed /* missing for <= 1 */
|
---|
| 476 | );
|
---|
| 477 |
|
---|
| 478 | if (procnetdev_vsn <= 1) {
|
---|
| 479 | if (procnetdev_vsn == 0) {
|
---|
| 480 | ife->stats.rx_bytes = 0;
|
---|
| 481 | ife->stats.tx_bytes = 0;
|
---|
| 482 | }
|
---|
| 483 | ife->stats.rx_multicast = 0;
|
---|
| 484 | ife->stats.rx_compressed = 0;
|
---|
| 485 | ife->stats.tx_compressed = 0;
|
---|
| 486 | }
|
---|
| 487 | }
|
---|
| 488 |
|
---|
[2725] | 489 | static int procnetdev_version(char *buf)
|
---|
[821] | 490 | {
|
---|
| 491 | if (strstr(buf, "compressed"))
|
---|
| 492 | return 2;
|
---|
| 493 | if (strstr(buf, "bytes"))
|
---|
| 494 | return 1;
|
---|
| 495 | return 0;
|
---|
| 496 | }
|
---|
| 497 |
|
---|
[1765] | 498 | static int if_readconf(void)
|
---|
| 499 | {
|
---|
| 500 | int numreqs = 30;
|
---|
| 501 | struct ifconf ifc;
|
---|
| 502 | struct ifreq *ifr;
|
---|
| 503 | int n, err = -1;
|
---|
| 504 | int skfd;
|
---|
| 505 |
|
---|
| 506 | ifc.ifc_buf = NULL;
|
---|
| 507 |
|
---|
| 508 | /* SIOCGIFCONF currently seems to only work properly on AF_INET sockets
|
---|
| 509 | (as of 2.1.128) */
|
---|
| 510 | skfd = socket(AF_INET, SOCK_DGRAM, 0);
|
---|
| 511 | if (skfd < 0) {
|
---|
| 512 | bb_perror_msg("error: no inet socket available");
|
---|
| 513 | return -1;
|
---|
| 514 | }
|
---|
| 515 |
|
---|
| 516 | for (;;) {
|
---|
| 517 | ifc.ifc_len = sizeof(struct ifreq) * numreqs;
|
---|
| 518 | ifc.ifc_buf = xrealloc(ifc.ifc_buf, ifc.ifc_len);
|
---|
| 519 |
|
---|
| 520 | if (ioctl_or_warn(skfd, SIOCGIFCONF, &ifc) < 0) {
|
---|
| 521 | goto out;
|
---|
| 522 | }
|
---|
[2725] | 523 | if (ifc.ifc_len == (int)(sizeof(struct ifreq) * numreqs)) {
|
---|
[1765] | 524 | /* assume it overflowed and try again */
|
---|
| 525 | numreqs += 10;
|
---|
| 526 | continue;
|
---|
| 527 | }
|
---|
| 528 | break;
|
---|
| 529 | }
|
---|
| 530 |
|
---|
| 531 | ifr = ifc.ifc_req;
|
---|
| 532 | for (n = 0; n < ifc.ifc_len; n += sizeof(struct ifreq)) {
|
---|
| 533 | add_interface(ifr->ifr_name);
|
---|
| 534 | ifr++;
|
---|
| 535 | }
|
---|
| 536 | err = 0;
|
---|
| 537 |
|
---|
| 538 | out:
|
---|
| 539 | close(skfd);
|
---|
| 540 | free(ifc.ifc_buf);
|
---|
| 541 | return err;
|
---|
| 542 | }
|
---|
| 543 |
|
---|
[821] | 544 | static int if_readlist_proc(char *target)
|
---|
| 545 | {
|
---|
[1765] | 546 | static smallint proc_read;
|
---|
| 547 |
|
---|
[821] | 548 | FILE *fh;
|
---|
| 549 | char buf[512];
|
---|
| 550 | struct interface *ife;
|
---|
| 551 | int err, procnetdev_vsn;
|
---|
| 552 |
|
---|
| 553 | if (proc_read)
|
---|
| 554 | return 0;
|
---|
| 555 | if (!target)
|
---|
| 556 | proc_read = 1;
|
---|
| 557 |
|
---|
[2725] | 558 | fh = fopen_or_warn(_PATH_PROCNET_DEV, "r");
|
---|
[821] | 559 | if (!fh) {
|
---|
| 560 | return if_readconf();
|
---|
| 561 | }
|
---|
| 562 | fgets(buf, sizeof buf, fh); /* eat line */
|
---|
| 563 | fgets(buf, sizeof buf, fh);
|
---|
| 564 |
|
---|
| 565 | procnetdev_vsn = procnetdev_version(buf);
|
---|
| 566 |
|
---|
| 567 | err = 0;
|
---|
| 568 | while (fgets(buf, sizeof buf, fh)) {
|
---|
| 569 | char *s, name[128];
|
---|
| 570 |
|
---|
| 571 | s = get_name(name, buf);
|
---|
| 572 | ife = add_interface(name);
|
---|
| 573 | get_dev_fields(s, ife, procnetdev_vsn);
|
---|
| 574 | ife->statistics_valid = 1;
|
---|
| 575 | if (target && !strcmp(target, name))
|
---|
| 576 | break;
|
---|
| 577 | }
|
---|
| 578 | if (ferror(fh)) {
|
---|
[1765] | 579 | bb_perror_msg(_PATH_PROCNET_DEV);
|
---|
[821] | 580 | err = -1;
|
---|
| 581 | proc_read = 0;
|
---|
| 582 | }
|
---|
| 583 | fclose(fh);
|
---|
| 584 | return err;
|
---|
| 585 | }
|
---|
| 586 |
|
---|
| 587 | static int if_readlist(void)
|
---|
| 588 | {
|
---|
| 589 | int err = if_readlist_proc(NULL);
|
---|
[1765] | 590 | /* Needed in order to get ethN:M aliases */
|
---|
[821] | 591 | if (!err)
|
---|
| 592 | err = if_readconf();
|
---|
| 593 | return err;
|
---|
| 594 | }
|
---|
| 595 |
|
---|
| 596 | /* Fetch the interface configuration from the kernel. */
|
---|
| 597 | static int if_fetch(struct interface *ife)
|
---|
| 598 | {
|
---|
| 599 | struct ifreq ifr;
|
---|
| 600 | char *ifname = ife->name;
|
---|
[1765] | 601 | int skfd;
|
---|
[821] | 602 |
|
---|
[1765] | 603 | skfd = xsocket(AF_INET, SOCK_DGRAM, 0);
|
---|
| 604 |
|
---|
[2725] | 605 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[1765] | 606 | if (ioctl(skfd, SIOCGIFFLAGS, &ifr) < 0) {
|
---|
| 607 | close(skfd);
|
---|
| 608 | return -1;
|
---|
| 609 | }
|
---|
[821] | 610 | ife->flags = ifr.ifr_flags;
|
---|
| 611 |
|
---|
[2725] | 612 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[1765] | 613 | memset(ife->hwaddr, 0, 32);
|
---|
| 614 | if (ioctl(skfd, SIOCGIFHWADDR, &ifr) >= 0)
|
---|
[821] | 615 | memcpy(ife->hwaddr, ifr.ifr_hwaddr.sa_data, 8);
|
---|
| 616 |
|
---|
| 617 | ife->type = ifr.ifr_hwaddr.sa_family;
|
---|
| 618 |
|
---|
[2725] | 619 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[1765] | 620 | ife->metric = 0;
|
---|
| 621 | if (ioctl(skfd, SIOCGIFMETRIC, &ifr) >= 0)
|
---|
[821] | 622 | ife->metric = ifr.ifr_metric;
|
---|
| 623 |
|
---|
[2725] | 624 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[1765] | 625 | ife->mtu = 0;
|
---|
| 626 | if (ioctl(skfd, SIOCGIFMTU, &ifr) >= 0)
|
---|
[821] | 627 | ife->mtu = ifr.ifr_mtu;
|
---|
| 628 |
|
---|
[1765] | 629 | memset(&ife->map, 0, sizeof(struct ifmap));
|
---|
[821] | 630 | #ifdef SIOCGIFMAP
|
---|
[2725] | 631 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[821] | 632 | if (ioctl(skfd, SIOCGIFMAP, &ifr) == 0)
|
---|
| 633 | ife->map = ifr.ifr_map;
|
---|
| 634 | #endif
|
---|
| 635 |
|
---|
| 636 | #ifdef HAVE_TXQUEUELEN
|
---|
[2725] | 637 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[1765] | 638 | ife->tx_queue_len = -1; /* unknown value */
|
---|
| 639 | if (ioctl(skfd, SIOCGIFTXQLEN, &ifr) >= 0)
|
---|
[821] | 640 | ife->tx_queue_len = ifr.ifr_qlen;
|
---|
| 641 | #else
|
---|
| 642 | ife->tx_queue_len = -1; /* unknown value */
|
---|
| 643 | #endif
|
---|
| 644 |
|
---|
[2725] | 645 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[1765] | 646 | ifr.ifr_addr.sa_family = AF_INET;
|
---|
| 647 | memset(&ife->addr, 0, sizeof(struct sockaddr));
|
---|
| 648 | if (ioctl(skfd, SIOCGIFADDR, &ifr) == 0) {
|
---|
| 649 | ife->has_ip = 1;
|
---|
| 650 | ife->addr = ifr.ifr_addr;
|
---|
[2725] | 651 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[1765] | 652 | memset(&ife->dstaddr, 0, sizeof(struct sockaddr));
|
---|
| 653 | if (ioctl(skfd, SIOCGIFDSTADDR, &ifr) >= 0)
|
---|
| 654 | ife->dstaddr = ifr.ifr_dstaddr;
|
---|
[821] | 655 |
|
---|
[2725] | 656 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[1765] | 657 | memset(&ife->broadaddr, 0, sizeof(struct sockaddr));
|
---|
| 658 | if (ioctl(skfd, SIOCGIFBRDADDR, &ifr) >= 0)
|
---|
| 659 | ife->broadaddr = ifr.ifr_broadaddr;
|
---|
[821] | 660 |
|
---|
[2725] | 661 | strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
|
---|
[1765] | 662 | memset(&ife->netmask, 0, sizeof(struct sockaddr));
|
---|
| 663 | if (ioctl(skfd, SIOCGIFNETMASK, &ifr) >= 0)
|
---|
| 664 | ife->netmask = ifr.ifr_netmask;
|
---|
[821] | 665 | }
|
---|
| 666 |
|
---|
[1765] | 667 | close(skfd);
|
---|
[821] | 668 | return 0;
|
---|
| 669 | }
|
---|
| 670 |
|
---|
| 671 | static int do_if_fetch(struct interface *ife)
|
---|
| 672 | {
|
---|
| 673 | if (if_fetch(ife) < 0) {
|
---|
[1765] | 674 | const char *errmsg;
|
---|
[821] | 675 |
|
---|
| 676 | if (errno == ENODEV) {
|
---|
| 677 | /* Give better error message for this case. */
|
---|
| 678 | errmsg = "Device not found";
|
---|
| 679 | } else {
|
---|
| 680 | errmsg = strerror(errno);
|
---|
| 681 | }
|
---|
| 682 | bb_error_msg("%s: error fetching interface information: %s",
|
---|
| 683 | ife->name, errmsg);
|
---|
| 684 | return -1;
|
---|
| 685 | }
|
---|
| 686 | return 0;
|
---|
| 687 | }
|
---|
| 688 |
|
---|
| 689 | static const struct hwtype unspec_hwtype = {
|
---|
| 690 | .name = "unspec",
|
---|
| 691 | .title = "UNSPEC",
|
---|
| 692 | .type = -1,
|
---|
| 693 | .print = UNSPEC_print
|
---|
| 694 | };
|
---|
| 695 |
|
---|
| 696 | static const struct hwtype loop_hwtype = {
|
---|
| 697 | .name = "loop",
|
---|
| 698 | .title = "Local Loopback",
|
---|
| 699 | .type = ARPHRD_LOOPBACK
|
---|
| 700 | };
|
---|
| 701 |
|
---|
| 702 | /* Display an Ethernet address in readable format. */
|
---|
[2725] | 703 | static char* FAST_FUNC ether_print(unsigned char *ptr)
|
---|
[821] | 704 | {
|
---|
[3621] | 705 | char *buff;
|
---|
[1765] | 706 | buff = xasprintf("%02X:%02X:%02X:%02X:%02X:%02X",
|
---|
[821] | 707 | (ptr[0] & 0377), (ptr[1] & 0377), (ptr[2] & 0377),
|
---|
| 708 | (ptr[3] & 0377), (ptr[4] & 0377), (ptr[5] & 0377)
|
---|
| 709 | );
|
---|
[3621] | 710 | return auto_string(buff);
|
---|
[821] | 711 | }
|
---|
| 712 |
|
---|
| 713 | static const struct hwtype ether_hwtype = {
|
---|
[2725] | 714 | .name = "ether",
|
---|
| 715 | .title = "Ethernet",
|
---|
| 716 | .type = ARPHRD_ETHER,
|
---|
| 717 | .alen = ETH_ALEN,
|
---|
| 718 | .print = ether_print,
|
---|
[3621] | 719 | .input = in_ether
|
---|
[821] | 720 | };
|
---|
| 721 |
|
---|
| 722 | static const struct hwtype ppp_hwtype = {
|
---|
| 723 | .name = "ppp",
|
---|
| 724 | .title = "Point-to-Point Protocol",
|
---|
| 725 | .type = ARPHRD_PPP
|
---|
| 726 | };
|
---|
| 727 |
|
---|
[1765] | 728 | #if ENABLE_FEATURE_IPV6
|
---|
[821] | 729 | static const struct hwtype sit_hwtype = {
|
---|
| 730 | .name = "sit",
|
---|
| 731 | .title = "IPv6-in-IPv4",
|
---|
| 732 | .type = ARPHRD_SIT,
|
---|
| 733 | .print = UNSPEC_print,
|
---|
| 734 | .suppress_null_addr = 1
|
---|
[1765] | 735 | };
|
---|
[821] | 736 | #endif
|
---|
[2725] | 737 | #if ENABLE_FEATURE_HWIB
|
---|
| 738 | static const struct hwtype ib_hwtype = {
|
---|
| 739 | .name = "infiniband",
|
---|
| 740 | .title = "InfiniBand",
|
---|
| 741 | .type = ARPHRD_INFINIBAND,
|
---|
| 742 | .alen = INFINIBAND_ALEN,
|
---|
| 743 | .print = UNSPEC_print,
|
---|
| 744 | .input = in_ib,
|
---|
| 745 | };
|
---|
| 746 | #endif
|
---|
[821] | 747 |
|
---|
[2725] | 748 |
|
---|
[1765] | 749 | static const struct hwtype *const hwtypes[] = {
|
---|
[821] | 750 | &loop_hwtype,
|
---|
| 751 | ðer_hwtype,
|
---|
| 752 | &ppp_hwtype,
|
---|
| 753 | &unspec_hwtype,
|
---|
[1765] | 754 | #if ENABLE_FEATURE_IPV6
|
---|
[821] | 755 | &sit_hwtype,
|
---|
| 756 | #endif
|
---|
[2725] | 757 | #if ENABLE_FEATURE_HWIB
|
---|
| 758 | &ib_hwtype,
|
---|
| 759 | #endif
|
---|
[821] | 760 | NULL
|
---|
| 761 | };
|
---|
| 762 |
|
---|
| 763 | #ifdef IFF_PORTSEL
|
---|
[1765] | 764 | static const char *const if_port_text[] = {
|
---|
[821] | 765 | /* Keep in step with <linux/netdevice.h> */
|
---|
| 766 | "unknown",
|
---|
| 767 | "10base2",
|
---|
| 768 | "10baseT",
|
---|
| 769 | "AUI",
|
---|
| 770 | "100baseT",
|
---|
| 771 | "100baseTX",
|
---|
| 772 | "100baseFX",
|
---|
| 773 | NULL
|
---|
| 774 | };
|
---|
| 775 | #endif
|
---|
| 776 |
|
---|
| 777 | /* Check our hardware type table for this type. */
|
---|
[2725] | 778 | const struct hwtype* FAST_FUNC get_hwtype(const char *name)
|
---|
[821] | 779 | {
|
---|
[1765] | 780 | const struct hwtype *const *hwp;
|
---|
[821] | 781 |
|
---|
| 782 | hwp = hwtypes;
|
---|
| 783 | while (*hwp != NULL) {
|
---|
[1765] | 784 | if (!strcmp((*hwp)->name, name))
|
---|
[821] | 785 | return (*hwp);
|
---|
| 786 | hwp++;
|
---|
| 787 | }
|
---|
[1765] | 788 | return NULL;
|
---|
[821] | 789 | }
|
---|
| 790 |
|
---|
[1765] | 791 | /* Check our hardware type table for this type. */
|
---|
[2725] | 792 | const struct hwtype* FAST_FUNC get_hwntype(int type)
|
---|
[1765] | 793 | {
|
---|
| 794 | const struct hwtype *const *hwp;
|
---|
| 795 |
|
---|
| 796 | hwp = hwtypes;
|
---|
| 797 | while (*hwp != NULL) {
|
---|
| 798 | if ((*hwp)->type == type)
|
---|
| 799 | return *hwp;
|
---|
| 800 | hwp++;
|
---|
| 801 | }
|
---|
| 802 | return NULL;
|
---|
| 803 | }
|
---|
| 804 |
|
---|
[821] | 805 | /* return 1 if address is all zeros */
|
---|
| 806 | static int hw_null_address(const struct hwtype *hw, void *ap)
|
---|
| 807 | {
|
---|
[2725] | 808 | int i;
|
---|
[821] | 809 | unsigned char *address = (unsigned char *) ap;
|
---|
| 810 |
|
---|
| 811 | for (i = 0; i < hw->alen; i++)
|
---|
| 812 | if (address[i])
|
---|
| 813 | return 0;
|
---|
| 814 | return 1;
|
---|
| 815 | }
|
---|
| 816 |
|
---|
[1765] | 817 | static const char TRext[] ALIGN1 = "\0\0\0Ki\0Mi\0Gi\0Ti";
|
---|
[821] | 818 |
|
---|
| 819 | static void print_bytes_scaled(unsigned long long ull, const char *end)
|
---|
| 820 | {
|
---|
| 821 | unsigned long long int_part;
|
---|
| 822 | const char *ext;
|
---|
| 823 | unsigned int frac_part;
|
---|
| 824 | int i;
|
---|
| 825 |
|
---|
| 826 | frac_part = 0;
|
---|
| 827 | ext = TRext;
|
---|
| 828 | int_part = ull;
|
---|
| 829 | i = 4;
|
---|
| 830 | do {
|
---|
| 831 | if (int_part >= 1024) {
|
---|
| 832 | frac_part = ((((unsigned int) int_part) & (1024-1)) * 10) / 1024;
|
---|
| 833 | int_part /= 1024;
|
---|
| 834 | ext += 3; /* KiB, MiB, GiB, TiB */
|
---|
| 835 | }
|
---|
| 836 | --i;
|
---|
| 837 | } while (i);
|
---|
| 838 |
|
---|
| 839 | printf("X bytes:%llu (%llu.%u %sB)%s", ull, int_part, frac_part, ext, end);
|
---|
| 840 | }
|
---|
| 841 |
|
---|
| 842 |
|
---|
[1765] | 843 | #ifdef HAVE_AFINET6
|
---|
[2725] | 844 | #define IPV6_ADDR_ANY 0x0000U
|
---|
| 845 |
|
---|
| 846 | #define IPV6_ADDR_UNICAST 0x0001U
|
---|
| 847 | #define IPV6_ADDR_MULTICAST 0x0002U
|
---|
| 848 | #define IPV6_ADDR_ANYCAST 0x0004U
|
---|
| 849 |
|
---|
| 850 | #define IPV6_ADDR_LOOPBACK 0x0010U
|
---|
| 851 | #define IPV6_ADDR_LINKLOCAL 0x0020U
|
---|
| 852 | #define IPV6_ADDR_SITELOCAL 0x0040U
|
---|
| 853 |
|
---|
| 854 | #define IPV6_ADDR_COMPATv4 0x0080U
|
---|
| 855 |
|
---|
| 856 | #define IPV6_ADDR_SCOPE_MASK 0x00f0U
|
---|
| 857 |
|
---|
| 858 | #define IPV6_ADDR_MAPPED 0x1000U
|
---|
| 859 | #define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
|
---|
| 860 |
|
---|
| 861 |
|
---|
| 862 | static void ife_print6(struct interface *ptr)
|
---|
| 863 | {
|
---|
[821] | 864 | FILE *f;
|
---|
[3621] | 865 | char addr6[40], devname[21];
|
---|
[821] | 866 | struct sockaddr_in6 sap;
|
---|
| 867 | int plen, scope, dad_status, if_idx;
|
---|
| 868 | char addr6p[8][5];
|
---|
[2725] | 869 |
|
---|
| 870 | f = fopen_for_read(_PATH_PROCNET_IFINET6);
|
---|
| 871 | if (f == NULL)
|
---|
| 872 | return;
|
---|
| 873 |
|
---|
| 874 | while (fscanf
|
---|
| 875 | (f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n",
|
---|
| 876 | addr6p[0], addr6p[1], addr6p[2], addr6p[3], addr6p[4],
|
---|
| 877 | addr6p[5], addr6p[6], addr6p[7], &if_idx, &plen, &scope,
|
---|
| 878 | &dad_status, devname) != EOF
|
---|
| 879 | ) {
|
---|
| 880 | if (!strcmp(devname, ptr->name)) {
|
---|
| 881 | sprintf(addr6, "%s:%s:%s:%s:%s:%s:%s:%s",
|
---|
| 882 | addr6p[0], addr6p[1], addr6p[2], addr6p[3],
|
---|
| 883 | addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
|
---|
[3621] | 884 | memset(&sap, 0, sizeof(sap));
|
---|
[2725] | 885 | inet_pton(AF_INET6, addr6,
|
---|
| 886 | (struct sockaddr *) &sap.sin6_addr);
|
---|
| 887 | sap.sin6_family = AF_INET6;
|
---|
| 888 | printf(" inet6 addr: %s/%d",
|
---|
[3232] | 889 | INET6_sprint((struct sockaddr *) &sap, 1),
|
---|
| 890 | plen);
|
---|
[2725] | 891 | printf(" Scope:");
|
---|
| 892 | switch (scope & IPV6_ADDR_SCOPE_MASK) {
|
---|
| 893 | case 0:
|
---|
| 894 | puts("Global");
|
---|
| 895 | break;
|
---|
| 896 | case IPV6_ADDR_LINKLOCAL:
|
---|
| 897 | puts("Link");
|
---|
| 898 | break;
|
---|
| 899 | case IPV6_ADDR_SITELOCAL:
|
---|
| 900 | puts("Site");
|
---|
| 901 | break;
|
---|
| 902 | case IPV6_ADDR_COMPATv4:
|
---|
| 903 | puts("Compat");
|
---|
| 904 | break;
|
---|
| 905 | case IPV6_ADDR_LOOPBACK:
|
---|
| 906 | puts("Host");
|
---|
| 907 | break;
|
---|
| 908 | default:
|
---|
| 909 | puts("Unknown");
|
---|
| 910 | }
|
---|
| 911 | }
|
---|
| 912 | }
|
---|
| 913 | fclose(f);
|
---|
| 914 | }
|
---|
| 915 | #else
|
---|
| 916 | #define ife_print6(a) ((void)0)
|
---|
[821] | 917 | #endif
|
---|
| 918 |
|
---|
[2725] | 919 | static void ife_print(struct interface *ptr)
|
---|
| 920 | {
|
---|
| 921 | const struct aftype *ap;
|
---|
| 922 | const struct hwtype *hw;
|
---|
| 923 | int hf;
|
---|
| 924 | int can_compress = 0;
|
---|
| 925 |
|
---|
[821] | 926 | ap = get_afntype(ptr->addr.sa_family);
|
---|
| 927 | if (ap == NULL)
|
---|
| 928 | ap = get_afntype(0);
|
---|
| 929 |
|
---|
| 930 | hf = ptr->type;
|
---|
| 931 |
|
---|
| 932 | if (hf == ARPHRD_CSLIP || hf == ARPHRD_CSLIP6)
|
---|
| 933 | can_compress = 1;
|
---|
| 934 |
|
---|
| 935 | hw = get_hwntype(hf);
|
---|
| 936 | if (hw == NULL)
|
---|
| 937 | hw = get_hwntype(-1);
|
---|
| 938 |
|
---|
[2725] | 939 | printf("%-9s Link encap:%s ", ptr->name, hw->title);
|
---|
[821] | 940 | /* For some hardware types (eg Ash, ATM) we don't print the
|
---|
| 941 | hardware address if it's null. */
|
---|
[2725] | 942 | if (hw->print != NULL
|
---|
| 943 | && !(hw_null_address(hw, ptr->hwaddr) && hw->suppress_null_addr)
|
---|
| 944 | ) {
|
---|
[821] | 945 | printf("HWaddr %s ", hw->print((unsigned char *)ptr->hwaddr));
|
---|
[2725] | 946 | }
|
---|
[821] | 947 | #ifdef IFF_PORTSEL
|
---|
| 948 | if (ptr->flags & IFF_PORTSEL) {
|
---|
| 949 | printf("Media:%s", if_port_text[ptr->map.port] /* [0] */);
|
---|
| 950 | if (ptr->flags & IFF_AUTOMEDIA)
|
---|
| 951 | printf("(auto)");
|
---|
| 952 | }
|
---|
| 953 | #endif
|
---|
[2725] | 954 | bb_putchar('\n');
|
---|
[821] | 955 |
|
---|
| 956 | if (ptr->has_ip) {
|
---|
| 957 | printf(" %s addr:%s ", ap->name,
|
---|
[3232] | 958 | ap->sprint(&ptr->addr, 1));
|
---|
[821] | 959 | if (ptr->flags & IFF_POINTOPOINT) {
|
---|
| 960 | printf(" P-t-P:%s ", ap->sprint(&ptr->dstaddr, 1));
|
---|
| 961 | }
|
---|
| 962 | if (ptr->flags & IFF_BROADCAST) {
|
---|
| 963 | printf(" Bcast:%s ", ap->sprint(&ptr->broadaddr, 1));
|
---|
| 964 | }
|
---|
| 965 | printf(" Mask:%s\n", ap->sprint(&ptr->netmask, 1));
|
---|
| 966 | }
|
---|
| 967 |
|
---|
[2725] | 968 | ife_print6(ptr);
|
---|
[821] | 969 |
|
---|
| 970 | printf(" ");
|
---|
| 971 | /* DONT FORGET TO ADD THE FLAGS IN ife_print_short, too */
|
---|
| 972 |
|
---|
| 973 | if (ptr->flags == 0) {
|
---|
| 974 | printf("[NO FLAGS] ");
|
---|
| 975 | } else {
|
---|
[1765] | 976 | static const char ife_print_flags_strs[] ALIGN1 =
|
---|
| 977 | "UP\0"
|
---|
| 978 | "BROADCAST\0"
|
---|
| 979 | "DEBUG\0"
|
---|
| 980 | "LOOPBACK\0"
|
---|
| 981 | "POINTOPOINT\0"
|
---|
| 982 | "NOTRAILERS\0"
|
---|
| 983 | "RUNNING\0"
|
---|
| 984 | "NOARP\0"
|
---|
| 985 | "PROMISC\0"
|
---|
| 986 | "ALLMULTI\0"
|
---|
| 987 | "SLAVE\0"
|
---|
| 988 | "MASTER\0"
|
---|
| 989 | "MULTICAST\0"
|
---|
| 990 | #ifdef HAVE_DYNAMIC
|
---|
| 991 | "DYNAMIC\0"
|
---|
| 992 | #endif
|
---|
| 993 | ;
|
---|
| 994 | static const unsigned short ife_print_flags_mask[] ALIGN2 = {
|
---|
| 995 | IFF_UP,
|
---|
| 996 | IFF_BROADCAST,
|
---|
| 997 | IFF_DEBUG,
|
---|
| 998 | IFF_LOOPBACK,
|
---|
| 999 | IFF_POINTOPOINT,
|
---|
| 1000 | IFF_NOTRAILERS,
|
---|
| 1001 | IFF_RUNNING,
|
---|
| 1002 | IFF_NOARP,
|
---|
| 1003 | IFF_PROMISC,
|
---|
| 1004 | IFF_ALLMULTI,
|
---|
| 1005 | IFF_SLAVE,
|
---|
| 1006 | IFF_MASTER,
|
---|
| 1007 | IFF_MULTICAST
|
---|
| 1008 | #ifdef HAVE_DYNAMIC
|
---|
| 1009 | ,IFF_DYNAMIC
|
---|
| 1010 | #endif
|
---|
| 1011 | };
|
---|
| 1012 | const unsigned short *mask = ife_print_flags_mask;
|
---|
| 1013 | const char *str = ife_print_flags_strs;
|
---|
[821] | 1014 | do {
|
---|
[1765] | 1015 | if (ptr->flags & *mask) {
|
---|
| 1016 | printf("%s ", str);
|
---|
[821] | 1017 | }
|
---|
[1765] | 1018 | mask++;
|
---|
| 1019 | str += strlen(str) + 1;
|
---|
| 1020 | } while (*str);
|
---|
[821] | 1021 | }
|
---|
| 1022 |
|
---|
| 1023 | /* DONT FORGET TO ADD THE FLAGS IN ife_print_short */
|
---|
| 1024 | printf(" MTU:%d Metric:%d", ptr->mtu, ptr->metric ? ptr->metric : 1);
|
---|
| 1025 | #ifdef SIOCSKEEPALIVE
|
---|
| 1026 | if (ptr->outfill || ptr->keepalive)
|
---|
| 1027 | printf(" Outfill:%d Keepalive:%d", ptr->outfill, ptr->keepalive);
|
---|
| 1028 | #endif
|
---|
[2725] | 1029 | bb_putchar('\n');
|
---|
[821] | 1030 |
|
---|
| 1031 | /* If needed, display the interface statistics. */
|
---|
| 1032 |
|
---|
| 1033 | if (ptr->statistics_valid) {
|
---|
| 1034 | /* XXX: statistics are currently only printed for the primary address,
|
---|
| 1035 | * not for the aliases, although strictly speaking they're shared
|
---|
| 1036 | * by all addresses.
|
---|
| 1037 | */
|
---|
| 1038 | printf(" ");
|
---|
| 1039 |
|
---|
| 1040 | printf("RX packets:%llu errors:%lu dropped:%lu overruns:%lu frame:%lu\n",
|
---|
[3232] | 1041 | ptr->stats.rx_packets, ptr->stats.rx_errors,
|
---|
| 1042 | ptr->stats.rx_dropped, ptr->stats.rx_fifo_errors,
|
---|
| 1043 | ptr->stats.rx_frame_errors);
|
---|
[821] | 1044 | if (can_compress)
|
---|
| 1045 | printf(" compressed:%lu\n",
|
---|
[3232] | 1046 | ptr->stats.rx_compressed);
|
---|
[821] | 1047 | printf(" ");
|
---|
| 1048 | printf("TX packets:%llu errors:%lu dropped:%lu overruns:%lu carrier:%lu\n",
|
---|
[3232] | 1049 | ptr->stats.tx_packets, ptr->stats.tx_errors,
|
---|
| 1050 | ptr->stats.tx_dropped, ptr->stats.tx_fifo_errors,
|
---|
| 1051 | ptr->stats.tx_carrier_errors);
|
---|
[821] | 1052 | printf(" collisions:%lu ", ptr->stats.collisions);
|
---|
| 1053 | if (can_compress)
|
---|
| 1054 | printf("compressed:%lu ", ptr->stats.tx_compressed);
|
---|
| 1055 | if (ptr->tx_queue_len != -1)
|
---|
| 1056 | printf("txqueuelen:%d ", ptr->tx_queue_len);
|
---|
| 1057 | printf("\n R");
|
---|
| 1058 | print_bytes_scaled(ptr->stats.rx_bytes, " T");
|
---|
| 1059 | print_bytes_scaled(ptr->stats.tx_bytes, "\n");
|
---|
| 1060 | }
|
---|
| 1061 |
|
---|
[2725] | 1062 | if (ptr->map.irq || ptr->map.mem_start
|
---|
| 1063 | || ptr->map.dma || ptr->map.base_addr
|
---|
| 1064 | ) {
|
---|
[821] | 1065 | printf(" ");
|
---|
| 1066 | if (ptr->map.irq)
|
---|
| 1067 | printf("Interrupt:%d ", ptr->map.irq);
|
---|
[3232] | 1068 | if (ptr->map.base_addr >= 0x100) /* Only print devices using it for I/O maps */
|
---|
[821] | 1069 | printf("Base address:0x%lx ",
|
---|
[3232] | 1070 | (unsigned long) ptr->map.base_addr);
|
---|
[821] | 1071 | if (ptr->map.mem_start) {
|
---|
| 1072 | printf("Memory:%lx-%lx ", ptr->map.mem_start,
|
---|
[3232] | 1073 | ptr->map.mem_end);
|
---|
[821] | 1074 | }
|
---|
| 1075 | if (ptr->map.dma)
|
---|
| 1076 | printf("DMA chan:%x ", ptr->map.dma);
|
---|
[2725] | 1077 | bb_putchar('\n');
|
---|
[821] | 1078 | }
|
---|
[2725] | 1079 | bb_putchar('\n');
|
---|
[821] | 1080 | }
|
---|
| 1081 |
|
---|
[1765] | 1082 | static int do_if_print(struct interface *ife) /*, int *opt_a)*/
|
---|
[821] | 1083 | {
|
---|
| 1084 | int res;
|
---|
| 1085 |
|
---|
| 1086 | res = do_if_fetch(ife);
|
---|
| 1087 | if (res >= 0) {
|
---|
[1765] | 1088 | if ((ife->flags & IFF_UP) || interface_opt_a)
|
---|
[821] | 1089 | ife_print(ife);
|
---|
| 1090 | }
|
---|
| 1091 | return res;
|
---|
| 1092 | }
|
---|
| 1093 |
|
---|
| 1094 | static struct interface *lookup_interface(char *name)
|
---|
| 1095 | {
|
---|
| 1096 | struct interface *ife = NULL;
|
---|
| 1097 |
|
---|
| 1098 | if (if_readlist_proc(name) < 0)
|
---|
| 1099 | return NULL;
|
---|
| 1100 | ife = add_interface(name);
|
---|
| 1101 | return ife;
|
---|
| 1102 | }
|
---|
| 1103 |
|
---|
[1765] | 1104 | #ifdef UNUSED
|
---|
| 1105 | static int for_all_interfaces(int (*doit) (struct interface *, void *),
|
---|
[3232] | 1106 | void *cookie)
|
---|
[1765] | 1107 | {
|
---|
| 1108 | struct interface *ife;
|
---|
| 1109 |
|
---|
| 1110 | if (!int_list && (if_readlist() < 0))
|
---|
| 1111 | return -1;
|
---|
| 1112 | for (ife = int_list; ife; ife = ife->next) {
|
---|
| 1113 | int err = doit(ife, cookie);
|
---|
| 1114 | if (err)
|
---|
| 1115 | return err;
|
---|
| 1116 | }
|
---|
| 1117 | return 0;
|
---|
| 1118 | }
|
---|
| 1119 | #endif
|
---|
| 1120 |
|
---|
[821] | 1121 | /* for ipv4 add/del modes */
|
---|
| 1122 | static int if_print(char *ifname)
|
---|
| 1123 | {
|
---|
[1765] | 1124 | struct interface *ife;
|
---|
[821] | 1125 | int res;
|
---|
| 1126 |
|
---|
| 1127 | if (!ifname) {
|
---|
[1765] | 1128 | /*res = for_all_interfaces(do_if_print, &interface_opt_a);*/
|
---|
| 1129 | if (!int_list && (if_readlist() < 0))
|
---|
| 1130 | return -1;
|
---|
| 1131 | for (ife = int_list; ife; ife = ife->next) {
|
---|
| 1132 | int err = do_if_print(ife); /*, &interface_opt_a);*/
|
---|
| 1133 | if (err)
|
---|
| 1134 | return err;
|
---|
| 1135 | }
|
---|
| 1136 | return 0;
|
---|
[821] | 1137 | }
|
---|
[1765] | 1138 | ife = lookup_interface(ifname);
|
---|
| 1139 | res = do_if_fetch(ife);
|
---|
| 1140 | if (res >= 0)
|
---|
| 1141 | ife_print(ife);
|
---|
[821] | 1142 | return res;
|
---|
| 1143 | }
|
---|
| 1144 |
|
---|
[2725] | 1145 | #if ENABLE_FEATURE_HWIB
|
---|
| 1146 | /* Input an Infiniband address and convert to binary. */
|
---|
| 1147 | int FAST_FUNC in_ib(const char *bufp, struct sockaddr *sap)
|
---|
[821] | 1148 | {
|
---|
[2725] | 1149 | sap->sa_family = ib_hwtype.type;
|
---|
| 1150 | //TODO: error check?
|
---|
| 1151 | hex2bin((char*)sap->sa_data, bufp, INFINIBAND_ALEN);
|
---|
| 1152 | # ifdef HWIB_DEBUG
|
---|
| 1153 | fprintf(stderr, "in_ib(%s): %s\n", bufp, UNSPEC_print(sap->sa_data));
|
---|
| 1154 | # endif
|
---|
| 1155 | return 0;
|
---|
| 1156 | }
|
---|
| 1157 | #endif
|
---|
| 1158 |
|
---|
| 1159 | int FAST_FUNC display_interfaces(char *ifname)
|
---|
| 1160 | {
|
---|
[821] | 1161 | int status;
|
---|
| 1162 |
|
---|
[1765] | 1163 | status = if_print(ifname);
|
---|
[821] | 1164 |
|
---|
[1765] | 1165 | return (status < 0); /* status < 0 == 1 -- error */
|
---|
[821] | 1166 | }
|
---|