contrib/tcpdump/print-sflow.c

   1 /*
   2  * Copyright (c) 1998-2007 The TCPDUMP project
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that: (1) source code
   6  * distributions retain the above copyright notice and this paragraph
   7  * in its entirety, and (2) distributions including binary code include
   8  * the above copyright notice and this paragraph in its entirety in
   9  * the documentation or other materials provided with the distribution.
  10  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
  11  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
  12  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  13  * FOR A PARTICULAR PURPOSE.
  14  *
  15  * The SFLOW protocol as per http://www.sflow.org/developers/specifications.php
  16  *
  17  * Original code by Carles Kishimoto <carles.kishimoto@gmail.com>
  18  */
  19
  20 #ifndef lint
  21 static const char rcsid[] _U_ =
  22 "@(#) $Header: /tcpdump/master/tcpdump/print-sflow.c,v 1.1 2007-08-08 17:20:58 hannes Exp $";
  23 #endif
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include "config.h"
  27 #endif
  28
  29 #include <tcpdump-stdinc.h>
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35 #include "interface.h"
  36 #include "extract.h"
  37 #include "addrtoname.h"
  38
  39 /*
  40  * sFlow datagram
  41  *
  42  * 0                   1                   2                   3
  43  * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
  44  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  45  * |                     Sflow version (2,4,5)                     |
  46  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  47  * |               IP version (1 for IPv4 | 2 for IPv6)            |
  48  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  49  * |                     IP Address AGENT (4 or 16 bytes)          |
  50  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  51  * |                          Sub agent ID                         |
  52  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  53  * |                      Datagram sequence number                 |
  54  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  55  * |                      Switch uptime in ms                      |
  56  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  57  * |                    num samples in datagram                    |
  58  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  59  *
  60  */
  61
  62 struct sflow_datagram_t {
  63     u_int8_t    version[4];
  64     u_int8_t    ip_version[4];
  65     u_int8_t    agent[4];
  66     u_int8_t    agent_id[4];
  67     u_int8_t    seqnum[4];
  68     u_int8_t    uptime[4];
  69     u_int8_t    samples[4];
  70 };
  71
  72 struct sflow_sample_header {
  73     u_int8_t    format[4];
  74     u_int8_t    len[4];
  75 };
  76
  77 #define         SFLOW_FLOW_SAMPLE               1
  78 #define         SFLOW_COUNTER_SAMPLE            2
  79 #define         SFLOW_EXPANDED_FLOW_SAMPLE      3
  80 #define         SFLOW_EXPANDED_COUNTER_SAMPLE   4
  81
  82 static const struct tok sflow_format_values[] = {
  83     { SFLOW_FLOW_SAMPLE, "flow sample" },
  84     { SFLOW_COUNTER_SAMPLE, "counter sample" },
  85     { SFLOW_EXPANDED_FLOW_SAMPLE, "expanded flow sample" },
  86     { SFLOW_EXPANDED_COUNTER_SAMPLE, "expanded counter sample" },
  87     { 0, NULL}
  88 };
  89
  90 struct sflow_expanded_flow_sample_t {
  91     u_int8_t    seqnum[4];
  92     u_int8_t    type[4];
  93     u_int8_t    index[4];
  94     u_int8_t    rate[4];
  95     u_int8_t    pool[4];
  96     u_int8_t    drops[4];
  97     u_int8_t    in_interface_format[4];
  98     u_int8_t    in_interface_value[4];
  99     u_int8_t    out_interface_format[4];
 100     u_int8_t    out_interface_value[4];
 101     u_int8_t    records[4];
 102 };
 103
 104 #define         SFLOW_FLOW_RAW_PACKET                   1
 105 #define         SFLOW_FLOW_ETHERNET_FRAME               2
 106 #define         SFLOW_FLOW_IPV4_DATA                    3
 107 #define         SFLOW_FLOW_IPV6_DATA                    4
 108 #define         SFLOW_FLOW_EXTENDED_SWITCH_DATA         1001
 109 #define         SFLOW_FLOW_EXTENDED_ROUTER_DATA         1002
 110 #define         SFLOW_FLOW_EXTENDED_GATEWAY_DATA        1003
 111 #define         SFLOW_FLOW_EXTENDED_USER_DATA           1004
 112 #define         SFLOW_FLOW_EXTENDED_URL_DATA            1005
 113 #define         SFLOW_FLOW_EXTENDED_MPLS_DATA           1006
 114 #define         SFLOW_FLOW_EXTENDED_NAT_DATA            1007
 115 #define         SFLOW_FLOW_EXTENDED_MPLS_TUNNEL         1008
 116 #define         SFLOW_FLOW_EXTENDED_MPLS_VC             1009
 117 #define         SFLOW_FLOW_EXTENDED_MPLS_FEC            1010
 118 #define         SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC        1011
 119 #define         SFLOW_FLOW_EXTENDED_VLAN_TUNNEL         1012
 120
 121 static const struct tok sflow_flow_type_values[] = {
 122     { SFLOW_FLOW_RAW_PACKET, "Raw packet"},
 123     { SFLOW_FLOW_ETHERNET_FRAME, "Ethernet frame"},
 124     { SFLOW_FLOW_IPV4_DATA, "IPv4 Data"},
 125     { SFLOW_FLOW_IPV6_DATA, "IPv6 Data"},
 126     { SFLOW_FLOW_EXTENDED_SWITCH_DATA, "Extended Switch data"},
 127     { SFLOW_FLOW_EXTENDED_ROUTER_DATA, "Extended Router data"},
 128     { SFLOW_FLOW_EXTENDED_GATEWAY_DATA, "Extended Gateway data"},
 129     { SFLOW_FLOW_EXTENDED_USER_DATA, "Extended User data"},
 130     { SFLOW_FLOW_EXTENDED_URL_DATA, "Extended URL data"},
 131     { SFLOW_FLOW_EXTENDED_MPLS_DATA, "Extended MPLS data"},
 132     { SFLOW_FLOW_EXTENDED_NAT_DATA, "Extended NAT data"},
 133     { SFLOW_FLOW_EXTENDED_MPLS_TUNNEL, "Extended MPLS tunnel"},
 134     { SFLOW_FLOW_EXTENDED_MPLS_VC, "Extended MPLS VC"},
 135     { SFLOW_FLOW_EXTENDED_MPLS_FEC, "Extended MPLS FEC"},
 136     { SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC, "Extended MPLS LVP FEC"},
 137     { SFLOW_FLOW_EXTENDED_VLAN_TUNNEL, "Extended VLAN Tunnel"},
 138     { 0, NULL}
 139 };
 140
 141 #define         SFLOW_HEADER_PROTOCOL_ETHERNET  1
 142 #define         SFLOW_HEADER_PROTOCOL_IPV4      11
 143 #define         SFLOW_HEADER_PROTOCOL_IPV6      12
 144
 145 static const struct tok sflow_flow_raw_protocol_values[] = {
 146     { SFLOW_HEADER_PROTOCOL_ETHERNET, "Ethernet"},
 147     { SFLOW_HEADER_PROTOCOL_IPV4, "IPv4"},
 148     { SFLOW_HEADER_PROTOCOL_IPV6, "IPv6"},
 149     { 0, NULL}
 150 };
 151
 152 struct sflow_expanded_flow_raw_t {
 153     u_int8_t    protocol[4];
 154     u_int8_t    length[4];
 155     u_int8_t    stripped_bytes[4];
 156     u_int8_t    header_size[4];
 157 };
 158
 159 struct sflow_expanded_counter_sample_t {
 160     u_int8_t    seqnum[4];
 161     u_int8_t    type[4];
 162     u_int8_t    index[4];
 163     u_int8_t    records[4];
 164 };
 165
 166 #define         SFLOW_COUNTER_GENERIC           1
 167 #define         SFLOW_COUNTER_ETHERNET          2
 168 #define         SFLOW_COUNTER_TOKEN_RING        3
 169 #define         SFLOW_COUNTER_BASEVG            4
 170 #define         SFLOW_COUNTER_VLAN              5
 171 #define         SFLOW_COUNTER_PROCESSOR         1001
 172
 173 static const struct tok sflow_counter_type_values[] = {
 174     { SFLOW_COUNTER_GENERIC, "Generic counter"},
 175     { SFLOW_COUNTER_ETHERNET, "Ethernet counter"},
 176     { SFLOW_COUNTER_TOKEN_RING, "Token ring counter"},
 177     { SFLOW_COUNTER_BASEVG, "100 BaseVG counter"},
 178     { SFLOW_COUNTER_VLAN, "Vlan counter"},
 179     { SFLOW_COUNTER_PROCESSOR, "Processor counter"},
 180     { 0, NULL}
 181 };
 182
 183 #define         SFLOW_IFACE_DIRECTION_UNKNOWN           0
 184 #define         SFLOW_IFACE_DIRECTION_FULLDUPLEX        1
 185 #define         SFLOW_IFACE_DIRECTION_HALFDUPLEX        2
 186 #define         SFLOW_IFACE_DIRECTION_IN                3
 187 #define         SFLOW_IFACE_DIRECTION_OUT               4
 188
 189 static const struct tok sflow_iface_direction_values[] = {
 190     { SFLOW_IFACE_DIRECTION_UNKNOWN, "unknown"},
 191     { SFLOW_IFACE_DIRECTION_FULLDUPLEX, "full-duplex"},
 192     { SFLOW_IFACE_DIRECTION_HALFDUPLEX, "half-duplex"},
 193     { SFLOW_IFACE_DIRECTION_IN, "in"},
 194     { SFLOW_IFACE_DIRECTION_OUT, "out"},
 195     { 0, NULL}
 196 };
 197
 198 struct sflow_generic_counter_t {
 199     u_int8_t    ifindex[4];
 200     u_int8_t    iftype[4];
 201     u_int8_t    ifspeed[8];
 202     u_int8_t    ifdirection[4];
 203     u_int8_t    ifstatus[4];
 204     u_int8_t    ifinoctets[8];
 205     u_int8_t    ifinunicastpkts[4];
 206     u_int8_t    ifinmulticastpkts[4];
 207     u_int8_t    ifinbroadcastpkts[4];
 208     u_int8_t    ifindiscards[4];
 209     u_int8_t    ifinerrors[4];
 210     u_int8_t    ifinunkownprotos[4];
 211     u_int8_t    ifoutoctets[8];
 212     u_int8_t    ifoutunicastpkts[4];
 213     u_int8_t    ifoutmulticastpkts[4];
 214     u_int8_t    ifoutbroadcastpkts[4];
 215     u_int8_t    ifoutdiscards[4];
 216     u_int8_t    ifouterrors[4];
 217     u_int8_t    ifpromiscmode[4];
 218 };
 219
 220 struct sflow_ethernet_counter_t {
 221     u_int8_t    alignerrors[4];
 222     u_int8_t    fcserrors[4];
 223     u_int8_t    single_collision_frames[4];
 224     u_int8_t    multiple_collision_frames[4];
 225     u_int8_t    test_errors[4];
 226     u_int8_t    deferred_transmissions[4];
 227     u_int8_t    late_collisions[4];
 228     u_int8_t    excessive_collisions[4];
 229     u_int8_t    mac_transmit_errors[4];
 230     u_int8_t    carrier_sense_errors[4];
 231     u_int8_t    frame_too_longs[4];
 232     u_int8_t    mac_receive_errors[4];
 233     u_int8_t    symbol_errors[4];
 234 };
 235
 236 struct sflow_100basevg_counter_t {
 237     u_int8_t    in_highpriority_frames[4];
 238     u_int8_t    in_highpriority_octets[8];
 239     u_int8_t    in_normpriority_frames[4];
 240     u_int8_t    in_normpriority_octets[8];
 241     u_int8_t    in_ipmerrors[4];
 242     u_int8_t    in_oversized[4];
 243     u_int8_t    in_data_errors[4];
 244     u_int8_t    in_null_addressed_frames[4];
 245     u_int8_t    out_highpriority_frames[4];
 246     u_int8_t    out_highpriority_octets[8];
 247     u_int8_t    transitioninto_frames[4];
 248     u_int8_t    hc_in_highpriority_octets[8];
 249     u_int8_t    hc_in_normpriority_octets[8];
 250     u_int8_t    hc_out_highpriority_octets[8];
 251 };
 252
 253 struct sflow_vlan_counter_t {
 254     u_int8_t    vlan_id[4];
 255     u_int8_t    octets[8];
 256     u_int8_t    unicast_pkt[4];
 257     u_int8_t    multicast_pkt[4];
 258     u_int8_t    broadcast_pkt[4];
 259     u_int8_t    discards[4];
 260 };
 261
 262 void
 263 sflow_print(const u_char *pptr, u_int len) {
 264
 265     const struct sflow_datagram_t *sflow_datagram;
 266     const struct sflow_sample_header *sflow_sample;
 267     const struct sflow_expanded_flow_sample_t *sflow_expanded_flow_sample;
 268     const struct sflow_expanded_flow_raw_t *sflow_flow_raw;
 269     const struct sflow_expanded_counter_sample_t *sflow_expanded_counter_sample;
 270     const struct sflow_generic_counter_t *sflow_gen_counter;
 271     const struct sflow_ethernet_counter_t *sflow_eth_counter;
 272     const struct sflow_100basevg_counter_t *sflow_100basevg_counter;
 273     const struct sflow_vlan_counter_t *sflow_vlan_counter;
 274     const u_char *tptr;
 275     int tlen;
 276     u_int32_t sflow_sample_type, sflow_sample_len;
 277     int nsamples, nrecords, counter_len, counter_type, flow_len, flow_type;
 278
 279     tptr=pptr;
 280     tlen = len;
 281     sflow_datagram = (const struct sflow_datagram_t *)pptr;
 282     TCHECK(*sflow_datagram);
 283
 284     /*
 285      * Sanity checking of the header.
 286      */
 287     if (EXTRACT_32BITS(sflow_datagram->version) != 5) {
 288         printf("sFlow version %u packet not supported",
 289                EXTRACT_32BITS(sflow_datagram->version));
 290         return;
 291     }
 292
 293     if (vflag < 1) {
 294         printf("sFlowv%u, %s agent %s, agent-id %u, length %u",
 295                EXTRACT_32BITS(sflow_datagram->version),
 296                EXTRACT_32BITS(sflow_datagram->ip_version) == 1 ? "IPv4" : "IPv6",
 297                ipaddr_string(sflow_datagram->agent),
 298                EXTRACT_32BITS(sflow_datagram->samples),
 299                len);
 300         return;
 301     }
 302
 303     /* ok they seem to want to know everything - lets fully decode it */
 304     nsamples=EXTRACT_32BITS(sflow_datagram->samples);
 305     printf("sFlowv%u, %s agent %s, agent-id %u, seqnum %u, uptime %u, samples %u, length %u",
 306            EXTRACT_32BITS(sflow_datagram->version),
 307            EXTRACT_32BITS(sflow_datagram->ip_version) == 1 ? "IPv4" : "IPv6",
 308            ipaddr_string(sflow_datagram->agent),
 309            EXTRACT_32BITS(sflow_datagram->agent_id),
 310            EXTRACT_32BITS(sflow_datagram->seqnum),
 311            EXTRACT_32BITS(sflow_datagram->uptime),
 312            nsamples,
 313            len);
 314
 315     /* skip Common header */
 316     tptr+=sizeof(const struct sflow_datagram_t);
 317     tlen-=sizeof(const struct sflow_datagram_t);
 318
 319     while (nsamples > 0 && tlen > 0) {
 320         sflow_sample = (const struct sflow_sample_header *)tptr;
 321         sflow_sample_type = (EXTRACT_32BITS(sflow_sample->format)&0x0FFF);
 322         sflow_sample_len = EXTRACT_32BITS(sflow_sample->len);
 323
 324         tptr+=sizeof(struct sflow_sample_header);
 325         tlen-=sizeof(struct sflow_sample_header);
 326
 327         printf("\n\t%s (%u), length %u,",
 328                tok2str(sflow_format_values, "Unknown", sflow_sample_type),
 329                sflow_sample_type,
 330                sflow_sample_len);
 331
 332         /* basic sanity check */
 333         if (sflow_sample_type == 0 || sflow_sample_len ==0) {
 334             return;
 335         }
 336
 337         /* did we capture enough for fully decoding the sample ? */
 338         if (!TTEST2(*tptr, sflow_sample_len))
 339             goto trunc;
 340
 341         switch(sflow_sample_type) {
 342         case SFLOW_FLOW_SAMPLE:                         /* XXX */
 343             break;
 344
 345         case SFLOW_COUNTER_SAMPLE:                      /* XXX */
 346             break;
 347
 348         case SFLOW_EXPANDED_FLOW_SAMPLE:
 349             sflow_expanded_flow_sample = (const struct sflow_expanded_flow_sample_t *)tptr;
 350             nrecords = EXTRACT_32BITS(sflow_expanded_flow_sample->records);
 351
 352             printf(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, records %u",
 353                    EXTRACT_32BITS(sflow_expanded_flow_sample->seqnum),
 354                    EXTRACT_32BITS(sflow_expanded_flow_sample->type),
 355                    EXTRACT_32BITS(sflow_expanded_flow_sample->index),
 356                    EXTRACT_32BITS(sflow_expanded_flow_sample->rate),
 357                    EXTRACT_32BITS(sflow_expanded_flow_sample->pool),
 358                    EXTRACT_32BITS(sflow_expanded_flow_sample->drops),
 359                    EXTRACT_32BITS(sflow_expanded_flow_sample->records));
 360
 361             tptr+= sizeof(struct sflow_expanded_flow_sample_t);
 362             tlen-= sizeof(struct sflow_expanded_flow_sample_t);
 363
 364             while ( nrecords > 0 && tlen > 0) {
 365
 366                 /* decode Flow record - 2 bytes */
 367                 flow_type = EXTRACT_32BITS(tptr)&0x0FFF;
 368                 flow_len = EXTRACT_32BITS(tptr+4);
 369                 printf("\n\t  %s (%u) length %u",
 370                        tok2str(sflow_flow_type_values,"Unknown",flow_type),
 371                        flow_type,
 372                        flow_len);
 373
 374                 tptr += 8;
 375                 tlen -= 8;
 376
 377                 /* did we capture enough for fully decoding the flow ? */
 378                 if (!TTEST2(*tptr, flow_len))
 379                     goto trunc;
 380
 381                 switch(flow_type) {
 382                 case SFLOW_FLOW_RAW_PACKET:
 383                     sflow_flow_raw = (const struct sflow_expanded_flow_raw_t *)tptr;
 384                     printf("\n\t    protocol %s (%u), length %u, stripped bytes %u, header_size %u",
 385                            tok2str(sflow_flow_raw_protocol_values,"Unknown",EXTRACT_32BITS(sflow_flow_raw->protocol)),
 386                            EXTRACT_32BITS(sflow_flow_raw->protocol),
 387                            EXTRACT_32BITS(sflow_flow_raw->length),
 388                            EXTRACT_32BITS(sflow_flow_raw->stripped_bytes),
 389                            EXTRACT_32BITS(sflow_flow_raw->header_size));
 390                     break;
 391
 392                     /*
 393                      * FIXME those are the defined flow types that lack a decoder
 394                      */
 395                 case SFLOW_FLOW_ETHERNET_FRAME:
 396                 case SFLOW_FLOW_IPV4_DATA:
 397                 case SFLOW_FLOW_IPV6_DATA:
 398                 case SFLOW_FLOW_EXTENDED_SWITCH_DATA:
 399                 case SFLOW_FLOW_EXTENDED_ROUTER_DATA:
 400                 case SFLOW_FLOW_EXTENDED_GATEWAY_DATA:
 401                 case SFLOW_FLOW_EXTENDED_USER_DATA:
 402                 case SFLOW_FLOW_EXTENDED_URL_DATA:
 403                 case SFLOW_FLOW_EXTENDED_MPLS_DATA:
 404                 case SFLOW_FLOW_EXTENDED_NAT_DATA:
 405                 case SFLOW_FLOW_EXTENDED_MPLS_TUNNEL:
 406                 case SFLOW_FLOW_EXTENDED_MPLS_VC:
 407                 case SFLOW_FLOW_EXTENDED_MPLS_FEC:
 408                 case SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC:
 409                 case SFLOW_FLOW_EXTENDED_VLAN_TUNNEL:
 410                     break;
 411                 default:
 412                     if (vflag <= 1)
 413                         print_unknown_data(tptr, "\n\t      ", flow_len);
 414                     break;
 415
 416                 }
 417                 tptr += flow_len;
 418                 tlen -= flow_len;
 419                 nrecords--;
 420             }
 421             break;
 422
 423         case SFLOW_EXPANDED_COUNTER_SAMPLE:
 424             sflow_expanded_counter_sample = (const struct sflow_expanded_counter_sample_t *)tptr;
 425             nrecords = EXTRACT_32BITS(sflow_expanded_counter_sample->records);
 426
 427             printf(" seqnum %u, type %u, idx %u, records %u",
 428                    EXTRACT_32BITS(sflow_expanded_counter_sample->seqnum),
 429                    EXTRACT_32BITS(sflow_expanded_counter_sample->type),
 430                    EXTRACT_32BITS(sflow_expanded_counter_sample->index),
 431                    nrecords);
 432
 433             tptr+= sizeof(struct sflow_expanded_counter_sample_t);
 434             tlen-= sizeof(struct sflow_expanded_counter_sample_t);
 435
 436             while ( nrecords > 0 && tlen > 0) {
 437
 438                 /* decode counter record - 2 bytes */
 439                 counter_type = EXTRACT_32BITS(tptr)&0x0FFF;
 440                 counter_len = EXTRACT_32BITS(tptr+4);
 441                 printf("\n\t    %s (%u) length %u",
 442                        tok2str(sflow_counter_type_values,"Unknown",counter_type),
 443                        counter_type,
 444                        counter_len);
 445
 446                 tptr += 8;
 447                 tlen -= 8;
 448
 449                 /* did we capture enough for fully decoding the counter ? */
 450                 if (!TTEST2(*tptr, counter_len))
 451                     goto trunc;
 452
 453                 switch(counter_type) {
 454                 case SFLOW_COUNTER_GENERIC:
 455                     sflow_gen_counter = (const struct sflow_generic_counter_t *)tptr;
 456                     printf("\n\t      ifindex %u, iftype %u, ifspeed %u, ifdirection %u (%s)",
 457                            EXTRACT_32BITS(sflow_gen_counter->ifindex),
 458                            EXTRACT_32BITS(sflow_gen_counter->iftype),
 459                            EXTRACT_32BITS(sflow_gen_counter->ifspeed),
 460                            EXTRACT_32BITS(sflow_gen_counter->ifdirection),
 461                            tok2str(sflow_iface_direction_values, "Unknown",
 462                                    EXTRACT_32BITS(sflow_gen_counter->ifdirection)));
 463                     printf("\n\t      ifstatus %u, adminstatus: %s, operstatus: %s",
 464                            EXTRACT_32BITS(sflow_gen_counter->ifstatus),
 465                            EXTRACT_32BITS(sflow_gen_counter->ifstatus)&1 ? "up" : "down",
 466                            (EXTRACT_32BITS(sflow_gen_counter->ifstatus)>>1)&1 ? "up" : "down");
 467                     printf("\n\t      In octets %" PRIu64
 468                            ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u",
 469                            EXTRACT_64BITS(sflow_gen_counter->ifinoctets),
 470                            EXTRACT_32BITS(sflow_gen_counter->ifinunicastpkts),
 471                            EXTRACT_32BITS(sflow_gen_counter->ifinmulticastpkts),
 472                            EXTRACT_32BITS(sflow_gen_counter->ifinbroadcastpkts),
 473                            EXTRACT_32BITS(sflow_gen_counter->ifindiscards));
 474                     printf("\n\t      In errors %u, unknown protos %u",
 475                            EXTRACT_32BITS(sflow_gen_counter->ifinerrors),
 476                            EXTRACT_32BITS(sflow_gen_counter->ifinunkownprotos));
 477                     printf("\n\t      Out octets %" PRIu64
 478                            ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u",
 479                            EXTRACT_64BITS(sflow_gen_counter->ifoutoctets),
 480                            EXTRACT_32BITS(sflow_gen_counter->ifoutunicastpkts),
 481                            EXTRACT_32BITS(sflow_gen_counter->ifoutmulticastpkts),
 482                            EXTRACT_32BITS(sflow_gen_counter->ifoutbroadcastpkts),
 483                            EXTRACT_32BITS(sflow_gen_counter->ifoutdiscards));
 484                     printf("\n\t      Out errors %u, promisc mode %u",
 485                            EXTRACT_32BITS(sflow_gen_counter->ifouterrors),
 486                            EXTRACT_32BITS(sflow_gen_counter->ifpromiscmode));
 487                     break;
 488                 case SFLOW_COUNTER_ETHERNET:
 489                     sflow_eth_counter = (const struct sflow_ethernet_counter_t *)tptr;
 490                     printf("\n\t      align errors %u, fcs errors %u, single collision %u, multiple collision %u, test error %u",
 491                            EXTRACT_32BITS(sflow_eth_counter->alignerrors),
 492                            EXTRACT_32BITS(sflow_eth_counter->fcserrors),
 493                            EXTRACT_32BITS(sflow_eth_counter->single_collision_frames),
 494                            EXTRACT_32BITS(sflow_eth_counter->multiple_collision_frames),
 495                            EXTRACT_32BITS(sflow_eth_counter->test_errors));
 496                     printf("\n\t      deferred %u, late collision %u, excessive collision %u, mac trans error %u",
 497                            EXTRACT_32BITS(sflow_eth_counter->deferred_transmissions),
 498                            EXTRACT_32BITS(sflow_eth_counter->late_collisions),
 499                            EXTRACT_32BITS(sflow_eth_counter->excessive_collisions),
 500                            EXTRACT_32BITS(sflow_eth_counter->mac_transmit_errors));
 501                     printf("\n\t      carrier error %u, frames too long %u, mac receive errors %u, symbol errors %u",
 502                            EXTRACT_32BITS(sflow_eth_counter->carrier_sense_errors),
 503                            EXTRACT_32BITS(sflow_eth_counter->frame_too_longs),
 504                            EXTRACT_32BITS(sflow_eth_counter->mac_receive_errors),
 505                            EXTRACT_32BITS(sflow_eth_counter->symbol_errors));
 506                     break;
 507                 case SFLOW_COUNTER_TOKEN_RING:                  /* XXX */
 508                     break;
 509                 case SFLOW_COUNTER_BASEVG:
 510                     sflow_100basevg_counter = (const struct sflow_100basevg_counter_t *)tptr;
 511                     printf("\n\t      in high prio frames %u, in high prio octets %" PRIu64,
 512                            EXTRACT_32BITS(sflow_100basevg_counter->in_highpriority_frames),
 513                            EXTRACT_64BITS(sflow_100basevg_counter->in_highpriority_octets));
 514                     printf("\n\t      in norm prio frames %u, in norm prio octets %" PRIu64,
 515                            EXTRACT_32BITS(sflow_100basevg_counter->in_normpriority_frames),
 516                            EXTRACT_64BITS(sflow_100basevg_counter->in_normpriority_octets));
 517                     printf("\n\t      in ipm errors %u, oversized %u, in data errors %u, null addressed frames %u",
 518                            EXTRACT_32BITS(sflow_100basevg_counter->in_ipmerrors),
 519                            EXTRACT_32BITS(sflow_100basevg_counter->in_oversized),
 520                            EXTRACT_32BITS(sflow_100basevg_counter->in_data_errors),
 521                            EXTRACT_32BITS(sflow_100basevg_counter->in_null_addressed_frames));
 522                     printf("\n\t      out high prio frames %u, out high prio octets %" PRIu64
 523                            ", trans into frames %u",
 524                            EXTRACT_32BITS(sflow_100basevg_counter->out_highpriority_frames),
 525                            EXTRACT_64BITS(sflow_100basevg_counter->out_highpriority_octets),
 526                            EXTRACT_32BITS(sflow_100basevg_counter->transitioninto_frames));
 527                     printf("\n\t      in hc high prio octets %" PRIu64
 528                            ", in hc norm prio octets %" PRIu64
 529                            ", out hc high prio octets %" PRIu64,
 530                            EXTRACT_64BITS(sflow_100basevg_counter->hc_in_highpriority_octets),
 531                            EXTRACT_64BITS(sflow_100basevg_counter->hc_in_normpriority_octets),
 532                            EXTRACT_64BITS(sflow_100basevg_counter->hc_out_highpriority_octets));
 533                     break;
 534                 case SFLOW_COUNTER_VLAN:
 535                     sflow_vlan_counter = (const struct sflow_vlan_counter_t *)tptr;
 536                     printf("\n\t      vlan_id %u, octets %" PRIu64
 537                            ", unicast_pkt %u, multicast_pkt %u, broadcast_pkt %u, discards %u",
 538                            EXTRACT_32BITS(sflow_vlan_counter->vlan_id),
 539                            EXTRACT_64BITS(sflow_vlan_counter->octets),
 540                            EXTRACT_32BITS(sflow_vlan_counter->unicast_pkt),
 541                            EXTRACT_32BITS(sflow_vlan_counter->multicast_pkt),
 542                            EXTRACT_32BITS(sflow_vlan_counter->broadcast_pkt),
 543                            EXTRACT_32BITS(sflow_vlan_counter->discards));
 544                     break;
 545                 case SFLOW_COUNTER_PROCESSOR:                   /* XXX */
 546                     break;
 547                 default:
 548                     if (vflag <= 1)
 549                         print_unknown_data(tptr, "\n\t\t", counter_len);
 550                     break;
 551                 }
 552                 tptr += counter_len;
 553                 tlen -= counter_len;
 554                 nrecords--;
 555             }
 556             break;
 557         default:
 558             if (vflag <= 1)
 559                 print_unknown_data(tptr, "\n\t    ", sflow_sample_len);
 560             break;
 561         }
 562         tptr += sflow_sample_len;
 563         tlen -= sflow_sample_len;
 564         nsamples--;
 565     }
 566     return;
 567
 568  trunc:
 569     printf("[|SFLOW]");
 570 }
 571
 572 /*
 573  * Local Variables:
 574  * c-style: whitesmith
 575  * c-basic-offset: 4
 576  * End:
 577  */