The Tcpdump Group git mirrors - tcpdump/blob - print-ether.c

   1 /*
   2  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that: (1) source code distributions
   7  * retain the above copyright notice and this paragraph in its entirety, (2)
   8  * distributions including binary code include the above copyright notice and
   9  * this paragraph in its entirety in the documentation or other materials
  10  * provided with the distribution, and (3) all advertising materials mentioning
  11  * features or use of this software display the following acknowledgement:
  12  * ``This product includes software developed by the University of California,
  13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  14  * the University nor the names of its contributors may be used to endorse
  15  * or promote products derived from this software without specific prior
  16  * written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  */
  21
  22 /* \summary: Ethernet printer */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include "netdissect-stdinc.h"
  29
  30 #include "netdissect.h"
  31 #include "extract.h"
  32 #include "addrtoname.h"
  33 #include "ethertype.h"
  34
  35 /*
  36  * Structure of an Ethernet header.
  37  */
  38 struct  ether_header {
  39         nd_mac_addr     ether_dhost;
  40         nd_mac_addr     ether_shost;
  41         nd_uint16_t     ether_length_type;
  42 };
  43
  44 /*
  45  * Length of an Ethernet header; note that some compilers may pad
  46  * "struct ether_header" to a multiple of 4 bytes, for example, so
  47  * "sizeof (struct ether_header)" may not give the right answer.
  48  */
  49 #define ETHER_HDRLEN            14
  50
  51 const struct tok ethertype_values[] = {
  52     { ETHERTYPE_IP,             "IPv4" },
  53     { ETHERTYPE_MPLS,           "MPLS unicast" },
  54     { ETHERTYPE_MPLS_MULTI,     "MPLS multicast" },
  55     { ETHERTYPE_IPV6,           "IPv6" },
  56     { ETHERTYPE_8021Q,          "802.1Q" },
  57     { ETHERTYPE_8021Q9100,      "802.1Q-9100" },
  58     { ETHERTYPE_8021QinQ,       "802.1Q-QinQ" },
  59     { ETHERTYPE_8021Q9200,      "802.1Q-9200" },
  60     { ETHERTYPE_MACSEC,         "802.1AE MACsec" },
  61     { ETHERTYPE_VMAN,           "VMAN" },
  62     { ETHERTYPE_PUP,            "PUP" },
  63     { ETHERTYPE_ARP,            "ARP"},
  64     { ETHERTYPE_REVARP,         "Reverse ARP"},
  65     { ETHERTYPE_NS,             "NS" },
  66     { ETHERTYPE_SPRITE,         "Sprite" },
  67     { ETHERTYPE_TRAIL,          "Trail" },
  68     { ETHERTYPE_MOPDL,          "MOP DL" },
  69     { ETHERTYPE_MOPRC,          "MOP RC" },
  70     { ETHERTYPE_DN,             "DN" },
  71     { ETHERTYPE_LAT,            "LAT" },
  72     { ETHERTYPE_SCA,            "SCA" },
  73     { ETHERTYPE_TEB,            "TEB" },
  74     { ETHERTYPE_LANBRIDGE,      "Lanbridge" },
  75     { ETHERTYPE_DECDNS,         "DEC DNS" },
  76     { ETHERTYPE_DECDTS,         "DEC DTS" },
  77     { ETHERTYPE_VEXP,           "VEXP" },
  78     { ETHERTYPE_VPROD,          "VPROD" },
  79     { ETHERTYPE_ATALK,          "Appletalk" },
  80     { ETHERTYPE_AARP,           "Appletalk ARP" },
  81     { ETHERTYPE_IPX,            "IPX" },
  82     { ETHERTYPE_PPP,            "PPP" },
  83     { ETHERTYPE_MPCP,           "MPCP" },
  84     { ETHERTYPE_SLOW,           "Slow Protocols" },
  85     { ETHERTYPE_PPPOED,         "PPPoE D" },
  86     { ETHERTYPE_PPPOES,         "PPPoE S" },
  87     { ETHERTYPE_EAPOL,          "EAPOL" },
  88     { ETHERTYPE_RRCP,           "RRCP" },
  89     { ETHERTYPE_MS_NLB_HB,      "MS NLB heartbeat" },
  90     { ETHERTYPE_JUMBO,          "Jumbo" },
  91     { ETHERTYPE_NSH,            "NSH" },
  92     { ETHERTYPE_LOOPBACK,       "Loopback" },
  93     { ETHERTYPE_ISO,            "OSI" },
  94     { ETHERTYPE_GRE_ISO,        "GRE-OSI" },
  95     { ETHERTYPE_CFM_OLD,        "CFM (old)" },
  96     { ETHERTYPE_CFM,            "CFM" },
  97     { ETHERTYPE_IEEE1905_1,     "IEEE1905.1" },
  98     { ETHERTYPE_LLDP,           "LLDP" },
  99     { ETHERTYPE_TIPC,           "TIPC"},
 100     { ETHERTYPE_GEONET_OLD,     "GeoNet (old)"},
 101     { ETHERTYPE_GEONET,         "GeoNet"},
 102     { ETHERTYPE_CALM_FAST,      "CALM FAST"},
 103     { ETHERTYPE_AOE,            "AoE" },
 104     { ETHERTYPE_PTP,            "PTP" },
 105     { ETHERTYPE_ARISTA,         "Arista Vendor Specific Protocol" },
 106     { 0, NULL}
 107 };
 108
 109 static void
 110 ether_addresses_print(netdissect_options *ndo, const u_char *src,
 111                       const u_char *dst)
 112 {
 113         ND_PRINT("%s > %s, ",
 114                  GET_ETHERADDR_STRING(src), GET_ETHERADDR_STRING(dst));
 115 }
 116
 117 static void
 118 ether_type_print(netdissect_options *ndo, uint16_t type)
 119 {
 120         if (!ndo->ndo_qflag)
 121                 ND_PRINT("ethertype %s (0x%04x)",
 122                          tok2str(ethertype_values, "Unknown", type), type);
 123         else
 124                 ND_PRINT("%s",
 125                          tok2str(ethertype_values, "Unknown Ethertype (0x%04x)", type));
 126 }
 127
 128 /*
 129  * Common code for printing Ethernet frames.
 130  *
 131  * It can handle Ethernet headers with extra tag information inserted
 132  * after the destination and source addresses, as is inserted by some
 133  * switch chips, and extra encapsulation header information before
 134  * printing Ethernet header information (such as a LANE ID for ATM LANE).
 135  */
 136 static u_int
 137 ether_common_print(netdissect_options *ndo, const u_char *p, u_int length,
 138     u_int caplen,
 139     void (*print_switch_tag)(netdissect_options *ndo, const u_char *),
 140     u_int switch_tag_len,
 141     void (*print_encap_header)(netdissect_options *ndo, const u_char *),
 142     const u_char *encap_header_arg)
 143 {
 144         const struct ether_header *ehp;
 145         u_int orig_length;
 146         u_int hdrlen;
 147         u_short length_type;
 148         int printed_length;
 149         int llc_hdrlen;
 150         struct lladdr_info src, dst;
 151
 152         if (caplen < ETHER_HDRLEN + switch_tag_len) {
 153                 nd_print_trunc(ndo);
 154                 return (caplen);
 155         }
 156         if (length < ETHER_HDRLEN + switch_tag_len) {
 157                 nd_print_trunc(ndo);
 158                 return (length);
 159         }
 160
 161         if (print_encap_header != NULL)
 162                 (*print_encap_header)(ndo, encap_header_arg);
 163
 164         orig_length = length;
 165
 166         /*
 167          * Get the source and destination addresses, skip past them,
 168          * and print them if we're printing the link-layer header.
 169          */
 170         ehp = (const struct ether_header *)p;
 171         src.addr = ehp->ether_shost;
 172         src.addr_string = etheraddr_string;
 173         dst.addr = ehp->ether_dhost;
 174         dst.addr_string = etheraddr_string;
 175
 176         length -= 2*MAC_ADDR_LEN;
 177         caplen -= 2*MAC_ADDR_LEN;
 178         p += 2*MAC_ADDR_LEN;
 179         hdrlen = 2*MAC_ADDR_LEN;
 180
 181         if (ndo->ndo_eflag)
 182                 ether_addresses_print(ndo, src.addr, dst.addr);
 183
 184         /*
 185          * Print the switch tag, if we have one, and skip past it.
 186          */
 187         if (print_switch_tag != NULL)
 188                 (*print_switch_tag)(ndo, p);
 189
 190         length -= switch_tag_len;
 191         caplen -= switch_tag_len;
 192         p += switch_tag_len;
 193         hdrlen += switch_tag_len;
 194
 195         /*
 196          * Get the length/type field, skip past it, and print it
 197          * if we're printing the link-layer header.
 198          */
 199 recurse:
 200         length_type = GET_BE_U_2(p);
 201
 202         length -= 2;
 203         caplen -= 2;
 204         p += 2;
 205         hdrlen += 2;
 206
 207         if (length_type == ETHERTYPE_MACSEC) {
 208                 /*
 209                  * MACsec, aka IEEE 802.1AE-2006
 210                  * Print the header, and try to print the payload if it's not encrypted
 211                  */
 212                 int ret = macsec_print(ndo, &p, &length, &caplen, &hdrlen);
 213
 214                 if (ret == 0) {
 215                         /* Payload is encrypted; just quit. */
 216                         return (hdrlen + caplen);
 217                 } else if (ret > 0) {
 218                         /* Problem printing the header; just quit. */
 219                         return (ret);
 220                 } else {
 221                         /*
 222                          * Keep processing type/length fields.
 223                          */
 224                         goto recurse;
 225                 }
 226         }
 227
 228         /*
 229          * Process VLAN tag types.
 230          */
 231         printed_length = 0;
 232         while (length_type == ETHERTYPE_8021Q  ||
 233                 length_type == ETHERTYPE_8021Q9100 ||
 234                 length_type == ETHERTYPE_8021Q9200 ||
 235                 length_type == ETHERTYPE_8021QinQ) {
 236                 /*
 237                  * It has a VLAN tag.
 238                  * Print VLAN information, and then go back and process
 239                  * the enclosed type field.
 240                  */
 241                 if (caplen < 4) {
 242                         ndo->ndo_protocol = "vlan";
 243                         nd_print_trunc(ndo);
 244                         return (hdrlen + caplen);
 245                 }
 246                 if (length < 4) {
 247                         ndo->ndo_protocol = "vlan";
 248                         nd_print_trunc(ndo);
 249                         return (hdrlen + length);
 250                 }
 251                 if (ndo->ndo_eflag) {
 252                         uint16_t tag = GET_BE_U_2(p);
 253
 254                         ether_type_print(ndo, length_type);
 255                         if (!printed_length) {
 256                                 ND_PRINT(", length %u: ", orig_length);
 257                                 printed_length = 1;
 258                         } else
 259                                 ND_PRINT(", ");
 260                         ND_PRINT("%s, ", ieee8021q_tci_string(tag));
 261                 }
 262
 263                 length_type = GET_BE_U_2(p + 2);
 264                 p += 4;
 265                 length -= 4;
 266                 caplen -= 4;
 267                 hdrlen += 4;
 268         }
 269
 270         /*
 271          * We now have the final length/type field.
 272          */
 273         if (length_type <= MAX_ETHERNET_LENGTH_VAL) {
 274                 /*
 275                  * It's a length field, containing the length of the
 276                  * remaining payload; use it as such, as long as
 277                  * it's not too large (bigger than the actual payload).
 278                  */
 279                 if (length_type < length) {
 280                         length = length_type;
 281                         if (caplen > length)
 282                                 caplen = length;
 283                 }
 284
 285                 /*
 286                  * Cut off the snapshot length to the end of the
 287                  * payload.
 288                  */
 289                 nd_push_snapend(ndo, p + length);
 290
 291                 if (ndo->ndo_eflag) {
 292                         ND_PRINT("802.3");
 293                         if (!printed_length)
 294                                 ND_PRINT(", length %u: ", length);
 295                 }
 296
 297                 /*
 298                  * An LLC header follows the length.  Print that and
 299                  * higher layers.
 300                  */
 301                 llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
 302                 if (llc_hdrlen < 0) {
 303                         /* packet type not known, print raw packet */
 304                         if (!ndo->ndo_suppress_default_print)
 305                                 ND_DEFAULTPRINT(p, caplen);
 306                         llc_hdrlen = -llc_hdrlen;
 307                 }
 308                 hdrlen += llc_hdrlen;
 309                 nd_pop_packet_info(ndo);
 310         } else if (length_type == ETHERTYPE_JUMBO) {
 311                 /*
 312                  * It's a type field, with the type for Alteon jumbo frames.
 313                  * See
 314                  *
 315                  *      https://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
 316                  *
 317                  * which indicates that, following the type field,
 318                  * there's an LLC header and payload.
 319                  */
 320                 /* Try to print the LLC-layer header & higher layers */
 321                 llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
 322                 if (llc_hdrlen < 0) {
 323                         /* packet type not known, print raw packet */
 324                         if (!ndo->ndo_suppress_default_print)
 325                                 ND_DEFAULTPRINT(p, caplen);
 326                         llc_hdrlen = -llc_hdrlen;
 327                 }
 328                 hdrlen += llc_hdrlen;
 329         } else if (length_type == ETHERTYPE_ARISTA) {
 330                 if (caplen < 2) {
 331                         ND_PRINT("[|arista]");
 332                         return (hdrlen + caplen);
 333                 }
 334                 if (length < 2) {
 335                         ND_PRINT("[|arista]");
 336                         return (hdrlen + length);
 337                 }
 338                 ether_type_print(ndo, length_type);
 339                 ND_PRINT(", length %u: ", orig_length);
 340                 int bytesConsumed = arista_ethertype_print(ndo, p, length);
 341                 if (bytesConsumed > 0) {
 342                         p += bytesConsumed;
 343                         length -= bytesConsumed;
 344                         caplen -= bytesConsumed;
 345                         hdrlen += bytesConsumed;
 346                         goto recurse;
 347                 } else {
 348                         /* subtype/version not known, print raw packet */
 349                         if (!ndo->ndo_eflag && length_type > MAX_ETHERNET_LENGTH_VAL) {
 350                                 ether_addresses_print(ndo, src.addr, dst.addr);
 351                                 ether_type_print(ndo, length_type);
 352                                 ND_PRINT(", length %u: ", orig_length);
 353                         }
 354                          if (!ndo->ndo_suppress_default_print)
 355                                  ND_DEFAULTPRINT(p, caplen);
 356                 }
 357         } else {
 358                 /*
 359                  * It's a type field with some other value.
 360                  */
 361                 if (ndo->ndo_eflag) {
 362                         ether_type_print(ndo, length_type);
 363                         if (!printed_length)
 364                                 ND_PRINT(", length %u: ", orig_length);
 365                         else
 366                                 ND_PRINT(", ");
 367                 }
 368                 if (ethertype_print(ndo, length_type, p, length, caplen, &src, &dst) == 0) {
 369                         /* type not known, print raw packet */
 370                         if (!ndo->ndo_eflag) {
 371                                 /*
 372                                  * We didn't print the full link-layer
 373                                  * header, as -e wasn't specified, so
 374                                  * print only the source and destination
 375                                  * MAC addresses and the final Ethernet
 376                                  * type.
 377                                  */
 378                                 ether_addresses_print(ndo, src.addr, dst.addr);
 379                                 ether_type_print(ndo, length_type);
 380                                 ND_PRINT(", length %u: ", orig_length);
 381                         }
 382
 383                         if (!ndo->ndo_suppress_default_print)
 384                                 ND_DEFAULTPRINT(p, caplen);
 385                 }
 386         }
 387         return (hdrlen);
 388 }
 389
 390 /*
 391  * Print an Ethernet frame while specyfing a non-standard Ethernet header
 392  * length.
 393  * This might be encapsulated within another frame; we might be passed
 394  * a pointer to a function that can print header information for that
 395  * frame's protocol, and an argument to pass to that function.
 396  *
 397  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
 398  */
 399 u_int
 400 ether_switch_tag_print(netdissect_options *ndo, const u_char *p, u_int length,
 401     u_int caplen,
 402     void (*print_switch_tag)(netdissect_options *, const u_char *),
 403     u_int switch_tag_len)
 404 {
 405         return (ether_common_print(ndo, p, length, caplen, print_switch_tag,
 406                                    switch_tag_len, NULL, NULL));
 407 }
 408
 409 /*
 410  * Print an Ethernet frame.
 411  * This might be encapsulated within another frame; we might be passed
 412  * a pointer to a function that can print header information for that
 413  * frame's protocol, and an argument to pass to that function.
 414  *
 415  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
 416  */
 417 u_int
 418 ether_print(netdissect_options *ndo,
 419             const u_char *p, u_int length, u_int caplen,
 420             void (*print_encap_header)(netdissect_options *ndo, const u_char *),
 421             const u_char *encap_header_arg)
 422 {
 423         ndo->ndo_protocol = "ether";
 424         return (ether_common_print(ndo, p, length, caplen, NULL, 0,
 425                                    print_encap_header, encap_header_arg));
 426 }
 427
 428 /*
 429  * This is the top level routine of the printer.  'p' points
 430  * to the ether header of the packet, 'h->len' is the length
 431  * of the packet off the wire, and 'h->caplen' is the number
 432  * of bytes actually captured.
 433  */
 434 u_int
 435 ether_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 436                const u_char *p)
 437 {
 438         ndo->ndo_protocol = "ether_if";
 439         return (ether_print(ndo, p, h->len, h->caplen, NULL, NULL));
 440 }
 441
 442 /*
 443  * This is the top level routine of the printer.  'p' points
 444  * to the ether header of the packet, 'h->len' is the length
 445  * of the packet off the wire, and 'h->caplen' is the number
 446  * of bytes actually captured.
 447  *
 448  * This is for DLT_NETANALYZER, which has a 4-byte pseudo-header
 449  * before the Ethernet header.
 450  */
 451 u_int
 452 netanalyzer_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 453                      const u_char *p)
 454 {
 455         /*
 456          * Fail if we don't have enough data for the Hilscher pseudo-header.
 457          */
 458         ndo->ndo_protocol = "netanalyzer_if";
 459         if (h->caplen < 4) {
 460                 nd_print_trunc(ndo);
 461                 return (h->caplen);
 462         }
 463
 464         /* Skip the pseudo-header. */
 465         return (4 + ether_print(ndo, p + 4, h->len - 4, h->caplen - 4, NULL, NULL));
 466 }
 467
 468 /*
 469  * This is the top level routine of the printer.  'p' points
 470  * to the ether header of the packet, 'h->len' is the length
 471  * of the packet off the wire, and 'h->caplen' is the number
 472  * of bytes actually captured.
 473  *
 474  * This is for DLT_NETANALYZER_TRANSPARENT, which has a 4-byte
 475  * pseudo-header, a 7-byte Ethernet preamble, and a 1-byte Ethernet SOF
 476  * before the Ethernet header.
 477  */
 478 u_int
 479 netanalyzer_transparent_if_print(netdissect_options *ndo,
 480                                  const struct pcap_pkthdr *h,
 481                                  const u_char *p)
 482 {
 483         /*
 484          * Fail if we don't have enough data for the Hilscher pseudo-header,
 485          * preamble, and SOF.
 486          */
 487         ndo->ndo_protocol = "netanalyzer_transparent_if";
 488         if (h->caplen < 12) {
 489                 nd_print_trunc(ndo);
 490                 return (h->caplen);
 491         }
 492
 493         /* Skip the pseudo-header, preamble, and SOF. */
 494         return (12 + ether_print(ndo, p + 12, h->len - 12, h->caplen - 12, NULL, NULL));
 495 }
 496
 497 /*
 498  * Prints the packet payload, given an Ethernet type code for the payload's
 499  * protocol.
 500  *
 501  * Returns non-zero if it can do so, zero if the ethertype is unknown.
 502  */
 503
 504 int
 505 ethertype_print(netdissect_options *ndo,
 506                 u_short ether_type, const u_char *p,
 507                 u_int length, u_int caplen,
 508                 const struct lladdr_info *src, const struct lladdr_info *dst)
 509 {
 510         switch (ether_type) {
 511
 512         case ETHERTYPE_IP:
 513                 ip_print(ndo, p, length);
 514                 return (1);
 515
 516         case ETHERTYPE_IPV6:
 517                 ip6_print(ndo, p, length);
 518                 return (1);
 519
 520         case ETHERTYPE_ARP:
 521         case ETHERTYPE_REVARP:
 522                 arp_print(ndo, p, length, caplen);
 523                 return (1);
 524
 525         case ETHERTYPE_DN:
 526                 decnet_print(ndo, p, length, caplen);
 527                 return (1);
 528
 529         case ETHERTYPE_ATALK:
 530                 if (ndo->ndo_vflag)
 531                         ND_PRINT("et1 ");
 532                 atalk_print(ndo, p, length);
 533                 return (1);
 534
 535         case ETHERTYPE_AARP:
 536                 aarp_print(ndo, p, length);
 537                 return (1);
 538
 539         case ETHERTYPE_IPX:
 540                 ND_PRINT("(NOV-ETHII) ");
 541                 ipx_print(ndo, p, length);
 542                 return (1);
 543
 544         case ETHERTYPE_ISO:
 545                 if (length == 0 || caplen == 0) {
 546                         ndo->ndo_protocol = "isoclns";
 547                         nd_print_trunc(ndo);
 548                         return (1);
 549                 }
 550                 isoclns_print(ndo, p + 1, length - 1);
 551                 return(1);
 552
 553         case ETHERTYPE_PPPOED:
 554         case ETHERTYPE_PPPOES:
 555         case ETHERTYPE_PPPOED2:
 556         case ETHERTYPE_PPPOES2:
 557                 pppoe_print(ndo, p, length);
 558                 return (1);
 559
 560         case ETHERTYPE_EAPOL:
 561                 eap_print(ndo, p, length);
 562                 return (1);
 563
 564         case ETHERTYPE_RRCP:
 565                 rrcp_print(ndo, p, length, src, dst);
 566                 return (1);
 567
 568         case ETHERTYPE_PPP:
 569                 if (length) {
 570                         ND_PRINT(": ");
 571                         ppp_print(ndo, p, length);
 572                 }
 573                 return (1);
 574
 575         case ETHERTYPE_MPCP:
 576                 mpcp_print(ndo, p, length);
 577                 return (1);
 578
 579         case ETHERTYPE_SLOW:
 580                 slow_print(ndo, p, length);
 581                 return (1);
 582
 583         case ETHERTYPE_CFM:
 584         case ETHERTYPE_CFM_OLD:
 585                 cfm_print(ndo, p, length);
 586                 return (1);
 587
 588         case ETHERTYPE_LLDP:
 589                 lldp_print(ndo, p, length);
 590                 return (1);
 591
 592         case ETHERTYPE_NSH:
 593                 nsh_print(ndo, p, length);
 594                 return (1);
 595
 596         case ETHERTYPE_LOOPBACK:
 597                 loopback_print(ndo, p, length);
 598                 return (1);
 599
 600         case ETHERTYPE_MPLS:
 601         case ETHERTYPE_MPLS_MULTI:
 602                 mpls_print(ndo, p, length);
 603                 return (1);
 604
 605         case ETHERTYPE_TIPC:
 606                 tipc_print(ndo, p, length, caplen);
 607                 return (1);
 608
 609         case ETHERTYPE_MS_NLB_HB:
 610                 msnlb_print(ndo, p);
 611                 return (1);
 612
 613         case ETHERTYPE_GEONET_OLD:
 614         case ETHERTYPE_GEONET:
 615                 geonet_print(ndo, p, length, src);
 616                 return (1);
 617
 618         case ETHERTYPE_CALM_FAST:
 619                 calm_fast_print(ndo, p, length, src);
 620                 return (1);
 621
 622         case ETHERTYPE_AOE:
 623                 aoe_print(ndo, p, length);
 624                 return (1);
 625
 626         case ETHERTYPE_PTP:
 627                 ptp_print(ndo, p, length);
 628                 return (1);
 629
 630         case ETHERTYPE_LAT:
 631         case ETHERTYPE_SCA:
 632         case ETHERTYPE_MOPRC:
 633         case ETHERTYPE_MOPDL:
 634         case ETHERTYPE_IEEE1905_1:
 635                 /* default_print for now */
 636         default:
 637                 return (0);
 638         }
 639 }