Add my little `ifinfo' program. This is sort of a cross between a
diagnostic program for debugging the interface MIB and an example of how to use same. Someday, netstat should be updated to print this information in a prettier form.
This commit is contained in:
parent
f5b7ed3e67
commit
b01aba1d41
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=18870
7
tools/tools/ifinfo/Makefile
Normal file
7
tools/tools/ifinfo/Makefile
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@ -0,0 +1,7 @@
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# $Id$
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PROG= ifinfo
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SRCS= ifinfo.c rfc1650.c
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NOMAN=
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.include <bsd.prog.mk>
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272
tools/tools/ifinfo/ifinfo.c
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272
tools/tools/ifinfo/ifinfo.c
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@ -0,0 +1,272 @@
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/*
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* Copyright 1996 Massachusetts Institute of Technology
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
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* granted, provided that both the above copyright notice and this
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* permission notice appear in all copies, that both the above
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* copyright notice and this permission notice appear in all
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* supporting documentation, and that the name of M.I.T. not be used
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* in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. M.I.T. makes
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
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* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#include <sys/types.h>
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#include <sys/socket.h> /* for PF_LINK */
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#include <sys/sysctl.h>
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#include <sys/time.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_mib.h>
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#include "ifinfo.h"
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static void printit(const struct ifmibdata *);
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static const char *iftype(int);
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static const char *ifphys(int, int);
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static int isit(int, char **, const char *);
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static printfcn findlink(int);
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static void
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usage(const char *argv0)
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{
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fprintf(stderr, "%s: usage:\n\t%s [-i] [ifnames...]\n",
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argv0, argv0);
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exit(EX_USAGE);
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}
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int
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main(int argc, char **argv)
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{
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int i, maxifno, retval;
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struct ifmibdata ifmd;
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int name[6];
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size_t len;
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int c;
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int dolink = 0;
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void *linkmib;
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size_t linkmiblen;
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printfcn pf;
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while ((c = getopt(argc, argv, "l")) != -1) {
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switch(c) {
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case 'l':
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dolink = 1;
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break;
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default:
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usage(argv[0]);
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}
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}
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retval = 1;
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name[0] = CTL_NET;
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name[1] = PF_LINK;
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name[2] = NETLINK_GENERIC;
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name[3] = IFMIB_SYSTEM;
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name[4] = IFMIB_IFCOUNT;
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len = sizeof maxifno;
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if (sysctl(name, 5, &maxifno, &len, 0, 0) < 0)
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err(EX_OSERR, "sysctl(net.link.generic.system.ifcount)");
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for (i = 1; i <= maxifno; i++) {
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len = sizeof ifmd;
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name[3] = IFMIB_IFDATA;
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name[4] = i;
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name[5] = IFDATA_GENERAL;
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if (sysctl(name, 6, &ifmd, &len, 0, 0) < 0)
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err(EX_OSERR, "sysctl(net.link.ifdata.%d.general)",
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i);
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if (!isit(argc - optind, argv + optind, ifmd.ifmd_name))
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continue;
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printit(&ifmd);
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if (dolink && (pf = findlink(ifmd.ifmd_data.ifi_type))) {
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name[5] = IFDATA_LINKSPECIFIC;
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if (sysctl(name, 6, 0, &linkmiblen, 0, 0) < 0)
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err(EX_OSERR,
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"sysctl(net.link.ifdata.%d.linkspec) size",
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i);
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linkmib = malloc(linkmiblen);
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if (!linkmib)
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err(EX_OSERR, "malloc(%lu)",
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(u_long)linkmiblen);
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if (sysctl(name, 6, linkmib, &linkmiblen, 0, 0) < 0)
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err(EX_OSERR,
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"sysctl(net.link.ifdata.%d.linkspec)",
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i);
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pf(linkmib, linkmiblen);
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free(linkmib);
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}
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retval = 0;
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}
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return retval;
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}
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static void
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printit(const struct ifmibdata *ifmd)
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{
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printf("Interface %.*s:\n", IFNAMSIZ, ifmd->ifmd_name);
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printf("\tflags: %x\n", ifmd->ifmd_flags);
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printf("\tpromiscuous listeners: %d\n", ifmd->ifmd_pcount);
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printf("\tsend queue length: %d\n", ifmd->ifmd_snd_len);
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printf("\tsend queue max length: %d\n", ifmd->ifmd_snd_maxlen);
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printf("\tsend queue drops: %d\n", ifmd->ifmd_snd_drops);
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printf("\ttype: %s\n", iftype(ifmd->ifmd_data.ifi_type));
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printf("\tphysical: %s\n", ifphys(ifmd->ifmd_data.ifi_type,
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ifmd->ifmd_data.ifi_physical));
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printf("\taddress length: %d\n", ifmd->ifmd_data.ifi_addrlen);
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printf("\theader length: %d\n", ifmd->ifmd_data.ifi_hdrlen);
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printf("\treceive quota: %d\n", ifmd->ifmd_data.ifi_recvquota);
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printf("\ttransmit quota: %d\n", ifmd->ifmd_data.ifi_xmitquota);
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printf("\tmtu: %lu\n", ifmd->ifmd_data.ifi_mtu);
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printf("\tmetric: %lu\n", ifmd->ifmd_data.ifi_metric);
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printf("\tline rate: %lu bit/s\n", ifmd->ifmd_data.ifi_baudrate);
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printf("\tpackets received: %lu\n", ifmd->ifmd_data.ifi_ipackets);
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printf("\tinput errors: %lu\n", ifmd->ifmd_data.ifi_ierrors);
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printf("\tpackets transmitted: %lu\n", ifmd->ifmd_data.ifi_opackets);
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printf("\toutput errors: %lu\n", ifmd->ifmd_data.ifi_oerrors);
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printf("\tcollisions: %lu\n", ifmd->ifmd_data.ifi_collisions);
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printf("\tbytes received: %lu\n", ifmd->ifmd_data.ifi_ibytes);
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printf("\tbytes transmitted: %lu\n", ifmd->ifmd_data.ifi_obytes);
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printf("\tmulticasts received: %lu\n", ifmd->ifmd_data.ifi_imcasts);
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printf("\tmulticasts transmitted: %lu\n", ifmd->ifmd_data.ifi_omcasts);
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printf("\tinput queue drops: %lu\n", ifmd->ifmd_data.ifi_iqdrops);
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printf("\tpackets for unknown protocol: %lu\n",
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ifmd->ifmd_data.ifi_noproto);
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printf("\treceive timing: %lu usec\n", ifmd->ifmd_data.ifi_recvtiming);
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printf("\ttransmit timing: %lu usec\n",
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ifmd->ifmd_data.ifi_xmittiming);
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}
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static const char *const if_types[] = {
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"reserved",
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"other",
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"BBN 1822",
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"HDH 1822",
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"X.25 DDN",
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"X.25",
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"Ethernet",
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"ISO 8802-3 CSMA/CD",
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"ISO 8802-4 Token Bus",
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"ISO 8802-5 Token Ring",
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"ISO 8802-6 DQDB MAN",
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"StarLAN",
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"Proteon proNET-10",
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"Proteon proNET-80",
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"HyperChannel",
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"FDDI",
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"LAP-B",
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"SDLC",
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"T-1",
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"CEPT",
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"Basic rate ISDN",
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"Primary rate ISDN",
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"Proprietary P2P",
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"PPP",
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"Loopback",
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"ISO CLNP over IP",
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"Experimental Ethernet",
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"XNS over IP",
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"SLIP",
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"Ultra Technologies",
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"DS-3",
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"SMDS",
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"Frame Relay",
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"RS-232 serial",
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"Parallel printer port",
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"ARCNET",
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"ARCNET+",
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"ATM",
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"MIOX25",
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"SONET/SDH",
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"X25PLE",
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"ISO 8802-2 LLC",
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"LocalTalk",
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"SMDSDXI",
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"Frame Relay DCE",
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"V.35",
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"HSSI",
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"HIPPI",
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"Generic Modem",
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"ATM AAL5",
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"SONETPATH",
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"SONETVT",
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"SMDS InterCarrier Interface",
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"Proprietary virtual interface",
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"Proprietary multiplexing"
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};
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#define NIFTYPES ((sizeof if_types)/(sizeof if_types[0]))
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static const char *
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iftype(int type)
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{
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static char buf[256];
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if (type <= 0 || type > NIFTYPES) {
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sprintf(buf, "unknown type %d", type);
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return buf;
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}
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return if_types[type];
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}
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static const char *
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ifphys(int type, int phys)
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{
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static char buf[256];
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sprintf(buf, "unknown physical %d", phys);
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return buf;
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}
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static int
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isit(int argc, char **argv, const char *name)
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{
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if (argc == 0)
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return 1;
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for (argc = 0; argv[argc]; argc++) {
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if (strncmp(argv[argc], name, IFNAMSIZ) == 0)
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return 1;
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}
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return 0;
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}
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static printfcn
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findlink(int type)
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{
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switch(type) {
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case IFT_ETHER:
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case IFT_ISO88023:
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case IFT_STARLAN:
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return print_1650;
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}
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return 0;
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}
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38
tools/tools/ifinfo/ifinfo.h
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38
tools/tools/ifinfo/ifinfo.h
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@ -0,0 +1,38 @@
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/*
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* Copyright 1996 Massachusetts Institute of Technology
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
|
||||
* granted, provided that both the above copyright notice and this
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||||
* permission notice appear in all copies, that both the above
|
||||
* copyright notice and this permission notice appear in all
|
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* supporting documentation, and that the name of M.I.T. not be used
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* in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. M.I.T. makes
|
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
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* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef ifinfo_h
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#define ifinfo_h 1
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typedef void (*printfcn)(const void *, size_t);
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extern void print_1650(const void *, size_t);
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#endif /* ifinfo_h */
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124
tools/tools/ifinfo/rfc1650.c
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124
tools/tools/ifinfo/rfc1650.c
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@ -0,0 +1,124 @@
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#include <sys/types.h>
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#include <sys/socket.h> /* for PF_LINK */
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#include <sys/sysctl.h>
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#include <sys/time.h>
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#include <err.h>
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#include <stdio.h>
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#include <string.h>
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#include <sysexits.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_mib.h>
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#include "ifinfo.h"
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#define print(msg, var) \
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if (var) printf("\t" msg ": %lu\n", (u_long)var)
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static void identify_chipset(u_int32_t chipset);
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void
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print_1650(const void *xmd, size_t len)
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{
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const struct ifmib_iso_8802_3 *md = xmd;
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if (len != sizeof *md)
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warnx("cannot interpret %lu bytes of MIB data", (u_long)len);
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identify_chipset(md->dot3StatsEtherChipSet);
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print("Alignment errors", md->dot3StatsAlignmentErrors);
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print("FCS errors", md->dot3StatsFCSErrors);
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print("Single-collision frames", md->dot3StatsSingleCollisionFrames);
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print("Multiple-collision frames", md->dot3StatsMultipleCollisionFrames);
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print("SQE (Heartbeat) test errors", md->dot3StatsSQETestErrors);
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print("Deferred transmissions", md->dot3StatsDeferredTransmissions);
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print("Late collisions", md->dot3StatsLateCollisions);
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print("Excessive collisions", md->dot3StatsExcessiveCollisions);
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print("Internal transmit errors", md->dot3StatsInternalMacTransmitErrors);
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print("Carrier sense errors", md->dot3StatsCarrierSenseErrors);
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print("Frame-too-long errors", md->dot3StatsFrameTooLongs);
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print("Internal receive errors", md->dot3StatsInternalMacReceiveErrors);
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print("Missed frames", md->dot3StatsMissedFrames);
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#define cprint(num) print("Packets with " #num " collisions", \
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md->dot3StatsCollFrequencies[num - 1])
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if (md->dot3Compliance >= DOT3COMPLIANCE_COLLS) {
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cprint(1); cprint(2); cprint(3); cprint(4);
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cprint(5); cprint(6); cprint(7); cprint(8);
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cprint(9); cprint(10); cprint(11); cprint(12);
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cprint(13); cprint(14); cprint(15); cprint(16);
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}
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switch(md->dot3Compliance) {
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case DOT3COMPLIANCE_STATS:
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printf("\tCompliance: statistics only\n");
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break;
|
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case DOT3COMPLIANCE_COLLS:
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printf("\tCompliance: statistics and collisions\n");
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break;
|
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}
|
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}
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static const char *const amd[] = {
|
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0, "Am7990", "Am79900", "Am79C940"
|
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};
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|
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static const char *const intel[] = {
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0, "82586", "82596", "82557"
|
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};
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static const char *const national[] = {
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0, "8390", "Sonic"
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};
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static const char *const fujitsu[] = {
|
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0, "86950"
|
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};
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static const char *const digital[] = {
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0, "DC21040", "DC21140", "DC21041", "DC21140A", "DC21142"
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};
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static const char *const westerndigital[] = {
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0, "83C690", "83C790"
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};
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#define vendor(name, sets) { name, sets, (sizeof sets)/(sizeof sets[0]) }
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static struct {
|
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const char *name;
|
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const char *const *chips;
|
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size_t len;
|
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} chipset_names[] = {
|
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{ 0 },
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vendor("AMD", amd),
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vendor("Intel", intel),
|
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{ 0 },
|
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vendor("National Semiconductor", national),
|
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vendor("Fujitsu", fujitsu),
|
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vendor("Digital", digital),
|
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vendor("Western Digital", westerndigital)
|
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};
|
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|
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static void
|
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identify_chipset(u_int32_t chipset)
|
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{
|
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enum dot3Vendors vendor = DOT3CHIPSET_VENDOR(chipset);
|
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u_int part = DOT3CHIPSET_PART(chipset);
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|
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printf("\tChipset: ");
|
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if (vendor < 1
|
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|| vendor >= (sizeof chipset_names)/(sizeof chipset_names[0])
|
||||
|| !chipset_names[vendor].name) {
|
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printf("unknown\n");
|
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return;
|
||||
}
|
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|
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printf("%s ", chipset_names[vendor].name);
|
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if (part < 1 || part >= chipset_names[vendor].len) {
|
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printf("unknown\n");
|
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return;
|
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}
|
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|
||||
printf("%s\n", chipset_names[vendor].chips[part]);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user