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 #define ND_LONGJMP_FROM_TCHECK
  31 #include "netdissect.h"
  32 #include "extract.h"
  33 #include "addrtoname.h"
  34 #include "ethertype.h"
  35
  36 /*
  37  * Structure of an Ethernet header.
  38  */
  39 struct  ether_header {
  40         nd_mac_addr     ether_dhost;
  41         nd_mac_addr     ether_shost;
  42         nd_uint16_t     ether_length_type;
  43 };
  44
  45 /*
  46  * Length of an Ethernet header; note that some compilers may pad
  47  * "struct ether_header" to a multiple of 4 bytes, for example, so
  48  * "sizeof (struct ether_header)" may not give the right answer.
  49  */
  50 #define ETHER_HDRLEN            14
  51
  52 const struct tok ethertype_values[] = {
  53     { ETHERTYPE_IP,             "IPv4" },
  54     { ETHERTYPE_MPLS,           "MPLS unicast" },
  55     { ETHERTYPE_MPLS_MULTI,     "MPLS multicast" },
  56     { ETHERTYPE_IPV6,           "IPv6" },
  57     { ETHERTYPE_8021Q,          "802.1Q" },
  58     { ETHERTYPE_8021Q9100,      "802.1Q-9100" },
  59     { ETHERTYPE_8021QinQ,       "802.1Q-QinQ" },
  60     { ETHERTYPE_8021Q9200,      "802.1Q-9200" },
  61     { ETHERTYPE_MACSEC,         "802.1AE MACsec" },
  62     { ETHERTYPE_VMAN,           "VMAN" },
  63     { ETHERTYPE_PUP,            "PUP" },
  64     { ETHERTYPE_ARP,            "ARP"},
  65     { ETHERTYPE_REVARP,         "Reverse ARP"},
  66     { ETHERTYPE_NS,             "NS" },
  67     { ETHERTYPE_SPRITE,         "Sprite" },
  68     { ETHERTYPE_TRAIL,          "Trail" },
  69     { ETHERTYPE_MOPDL,          "MOP DL" },
  70     { ETHERTYPE_MOPRC,          "MOP RC" },
  71     { ETHERTYPE_DN,             "DN" },
  72     { ETHERTYPE_LAT,            "LAT" },
  73     { ETHERTYPE_SCA,            "SCA" },
  74     { ETHERTYPE_TEB,            "TEB" },
  75     { ETHERTYPE_LANBRIDGE,      "Lanbridge" },
  76     { ETHERTYPE_DECDNS,         "DEC DNS" },
  77     { ETHERTYPE_DECDTS,         "DEC DTS" },
  78     { ETHERTYPE_VEXP,           "VEXP" },
  79     { ETHERTYPE_VPROD,          "VPROD" },
  80     { ETHERTYPE_ATALK,          "Appletalk" },
  81     { ETHERTYPE_AARP,           "Appletalk ARP" },
  82     { ETHERTYPE_IPX,            "IPX" },
  83     { ETHERTYPE_PPP,            "PPP" },
  84     { ETHERTYPE_MPCP,           "MPCP" },
  85     { ETHERTYPE_SLOW,           "Slow Protocols" },
  86     { ETHERTYPE_PPPOED,         "PPPoE D" },
  87     { ETHERTYPE_PPPOES,         "PPPoE S" },
  88     { ETHERTYPE_EAPOL,          "EAPOL" },
  89     { ETHERTYPE_RRCP,           "RRCP" },
  90     { ETHERTYPE_MS_NLB_HB,      "MS NLB heartbeat" },
  91     { ETHERTYPE_JUMBO,          "Jumbo" },
  92     { ETHERTYPE_NSH,            "NSH" },
  93     { ETHERTYPE_LOOPBACK,       "Loopback" },
  94     { ETHERTYPE_ISO,            "OSI" },
  95     { ETHERTYPE_GRE_ISO,        "GRE-OSI" },
  96     { ETHERTYPE_CFM_OLD,        "CFM (old)" },
  97     { ETHERTYPE_CFM,            "CFM" },
  98     { ETHERTYPE_IEEE1905_1,     "IEEE1905.1" },
  99     { ETHERTYPE_LLDP,           "LLDP" },
 100     { ETHERTYPE_TIPC,           "TIPC"},
 101     { ETHERTYPE_GEONET_OLD,     "GeoNet (old)"},
 102     { ETHERTYPE_GEONET,         "GeoNet"},
 103     { ETHERTYPE_CALM_FAST,      "CALM FAST"},
 104     { ETHERTYPE_AOE,            "AoE" },
 105     { ETHERTYPE_PTP,            "PTP" },
 106     { ETHERTYPE_ARISTA,         "Arista Vendor Specific Protocol" },
 107     { 0, NULL}
 108 };
 109
 110 static void
 111 ether_addresses_print(netdissect_options *ndo, const u_char *src,
 112                       const u_char *dst)
 113 {
 114         ND_PRINT("%s > %s, ",
 115                  GET_ETHERADDR_STRING(src), GET_ETHERADDR_STRING(dst));
 116 }
 117
 118 static void
 119 ether_type_print(netdissect_options *ndo, uint16_t type)
 120 {
 121         if (!ndo->ndo_qflag)
 122                 ND_PRINT("ethertype %s (0x%04x)",
 123                          tok2str(ethertype_values, "Unknown", type), type);
 124         else
 125                 ND_PRINT("%s",
 126                          tok2str(ethertype_values, "Unknown Ethertype (0x%04x)", type));
 127 }
 128
 129 /*
 130  * Common code for printing Ethernet frames.
 131  *
 132  * It can handle Ethernet headers with extra tag information inserted
 133  * after the destination and source addresses, as is inserted by some
 134  * switch chips, and extra encapsulation header information before
 135  * printing Ethernet header information (such as a LANE ID for ATM LANE).
 136  */
 137 static u_int
 138 ether_common_print(netdissect_options *ndo, const u_char *p, u_int length,
 139     u_int caplen,
 140     void (*print_switch_tag)(netdissect_options *ndo, const u_char *),
 141     u_int switch_tag_len,
 142     void (*print_encap_header)(netdissect_options *ndo, const u_char *),
 143     const u_char *encap_header_arg)
 144 {
 145         const struct ether_header *ehp;
 146         u_int orig_length;
 147         u_int hdrlen;
 148         u_short length_type;
 149         int printed_length;
 150         int llc_hdrlen;
 151         struct lladdr_info src, dst;
 152
 153         if (caplen < ETHER_HDRLEN + switch_tag_len) {
 154                 nd_print_trunc(ndo);
 155                 return caplen;
 156         }
 157         if (length < ETHER_HDRLEN + switch_tag_len) {
 158                 nd_print_trunc(ndo);
 159                 return length;
 160         }
 161
 162         if (print_encap_header != NULL)
 163                 (*print_encap_header)(ndo, encap_header_arg);
 164
 165         orig_length = length;
 166
 167         /*
 168          * Get the source and destination addresses, skip past them,
 169          * and print them if we're printing the link-layer header.
 170          */
 171         ehp = (const struct ether_header *)p;
 172         src.addr = ehp->ether_shost;
 173         src.addr_string = etheraddr_string;
 174         dst.addr = ehp->ether_dhost;
 175         dst.addr_string = etheraddr_string;
 176
 177         length -= 2*MAC_ADDR_LEN;
 178         caplen -= 2*MAC_ADDR_LEN;
 179         p += 2*MAC_ADDR_LEN;
 180         hdrlen = 2*MAC_ADDR_LEN;
 181
 182         if (ndo->ndo_eflag)
 183                 ether_addresses_print(ndo, src.addr, dst.addr);
 184
 185         /*
 186          * Print the switch tag, if we have one, and skip past it.
 187          */
 188         if (print_switch_tag != NULL)
 189                 (*print_switch_tag)(ndo, p);
 190
 191         length -= switch_tag_len;
 192         caplen -= switch_tag_len;
 193         p += switch_tag_len;
 194         hdrlen += switch_tag_len;
 195
 196         /*
 197          * Get the length/type field, skip past it, and print it
 198          * if we're printing the link-layer header.
 199          */
 200 recurse:
 201         length_type = GET_BE_U_2(p);
 202
 203         length -= 2;
 204         caplen -= 2;
 205         p += 2;
 206         hdrlen += 2;
 207
 208         /*
 209          * Process 802.1AE MACsec headers.
 210          */
 211         printed_length = 0;
 212         if (length_type == ETHERTYPE_MACSEC) {
 213                 /*
 214                  * MACsec, aka IEEE 802.1AE-2006
 215                  * Print the header, and try to print the payload if it's not encrypted
 216                  */
 217                 if (ndo->ndo_eflag) {
 218                         ether_type_print(ndo, length_type);
 219                         ND_PRINT(", length %u: ", orig_length);
 220                         printed_length = 1;
 221                 }
 222
 223                 int ret = macsec_print(ndo, &p, &length, &caplen, &hdrlen,
 224                     &src, &dst);
 225
 226                 if (ret == 0) {
 227                         /* Payload is encrypted; print it as raw data. */
 228                         if (!ndo->ndo_suppress_default_print)
 229                                 ND_DEFAULTPRINT(p, caplen);
 230                         return hdrlen;
 231                 } else if (ret > 0) {
 232                         /* Problem printing the header; just quit. */
 233                         return ret;
 234                 } else {
 235                         /*
 236                          * Keep processing type/length fields.
 237                          */
 238                         length_type = GET_BE_U_2(p);
 239
 240                         length -= 2;
 241                         caplen -= 2;
 242                         p += 2;
 243                         hdrlen += 2;
 244                 }
 245         }
 246
 247         /*
 248          * Process VLAN tag types.
 249          */
 250         while (length_type == ETHERTYPE_8021Q  ||
 251                 length_type == ETHERTYPE_8021Q9100 ||
 252                 length_type == ETHERTYPE_8021Q9200 ||
 253                 length_type == ETHERTYPE_8021QinQ) {
 254                 /*
 255                  * It has a VLAN tag.
 256                  * Print VLAN information, and then go back and process
 257                  * the enclosed type field.
 258                  */
 259                 if (caplen < 4) {
 260                         ndo->ndo_protocol = "vlan";
 261                         nd_print_trunc(ndo);
 262                         return hdrlen + caplen;
 263                 }
 264                 if (length < 4) {
 265                         ndo->ndo_protocol = "vlan";
 266                         nd_print_trunc(ndo);
 267                         return hdrlen + length;
 268                 }
 269                 if (ndo->ndo_eflag) {
 270                         uint16_t tag = GET_BE_U_2(p);
 271
 272                         ether_type_print(ndo, length_type);
 273                         if (!printed_length) {
 274                                 ND_PRINT(", length %u: ", orig_length);
 275                                 printed_length = 1;
 276                         } else
 277                                 ND_PRINT(", ");
 278                         ND_PRINT("%s, ", ieee8021q_tci_string(tag));
 279                 }
 280
 281                 length_type = GET_BE_U_2(p + 2);
 282                 p += 4;
 283                 length -= 4;
 284                 caplen -= 4;
 285                 hdrlen += 4;
 286         }
 287
 288         /*
 289          * We now have the final length/type field.
 290          */
 291         if (length_type <= MAX_ETHERNET_LENGTH_VAL) {
 292                 /*
 293                  * It's a length field, containing the length of the
 294                  * remaining payload; use it as such, as long as
 295                  * it's not too large (bigger than the actual payload).
 296                  */
 297                 if (length_type < length) {
 298                         length = length_type;
 299                         if (caplen > length)
 300                                 caplen = length;
 301                 }
 302
 303                 /*
 304                  * Cut off the snapshot length to the end of the
 305                  * payload.
 306                  */
 307                 nd_push_snapend(ndo, p + length);
 308
 309                 if (ndo->ndo_eflag) {
 310                         ND_PRINT("802.3");
 311                         if (!printed_length)
 312                                 ND_PRINT(", length %u: ", length);
 313                 }
 314
 315                 /*
 316                  * An LLC header follows the length.  Print that and
 317                  * higher layers.
 318                  */
 319                 llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
 320                 if (llc_hdrlen < 0) {
 321                         /* packet type not known, print raw packet */
 322                         if (!ndo->ndo_suppress_default_print)
 323                                 ND_DEFAULTPRINT(p, caplen);
 324                         llc_hdrlen = -llc_hdrlen;
 325                 }
 326                 hdrlen += llc_hdrlen;
 327                 nd_pop_packet_info(ndo);
 328         } else if (length_type == ETHERTYPE_JUMBO) {
 329                 /*
 330                  * It's a type field, with the type for Alteon jumbo frames.
 331                  * See
 332                  *
 333                  *      https://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
 334                  *
 335                  * which indicates that, following the type field,
 336                  * there's an LLC header and payload.
 337                  */
 338                 /* Try to print the LLC-layer header & higher layers */
 339                 llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
 340                 if (llc_hdrlen < 0) {
 341                         /* packet type not known, print raw packet */
 342                         if (!ndo->ndo_suppress_default_print)
 343                                 ND_DEFAULTPRINT(p, caplen);
 344                         llc_hdrlen = -llc_hdrlen;
 345                 }
 346                 hdrlen += llc_hdrlen;
 347         } else if (length_type == ETHERTYPE_ARISTA) {
 348                 if (caplen < 2) {
 349                         ND_PRINT("[|arista]");
 350                         return hdrlen + caplen;
 351                 }
 352                 if (length < 2) {
 353                         ND_PRINT("[|arista]");
 354                         return hdrlen + length;
 355                 }
 356                 ether_type_print(ndo, length_type);
 357                 ND_PRINT(", length %u: ", orig_length);
 358                 int bytesConsumed = arista_ethertype_print(ndo, p, length);
 359                 if (bytesConsumed > 0) {
 360                         p += bytesConsumed;
 361                         length -= bytesConsumed;
 362                         caplen -= bytesConsumed;
 363                         hdrlen += bytesConsumed;
 364                         goto recurse;
 365                 } else {
 366                         /* subtype/version not known, print raw packet */
 367                         if (!ndo->ndo_eflag && length_type > MAX_ETHERNET_LENGTH_VAL) {
 368                                 ether_addresses_print(ndo, src.addr, dst.addr);
 369                                 ether_type_print(ndo, length_type);
 370                                 ND_PRINT(", length %u: ", orig_length);
 371                         }
 372                          if (!ndo->ndo_suppress_default_print)
 373                                  ND_DEFAULTPRINT(p, caplen);
 374                 }
 375         } else {
 376                 /*
 377                  * It's a type field with some other value.
 378                  */
 379                 if (ndo->ndo_eflag) {
 380                         ether_type_print(ndo, length_type);
 381                         if (!printed_length)
 382                                 ND_PRINT(", length %u: ", orig_length);
 383                         else
 384                                 ND_PRINT(", ");
 385                 }
 386                 if (ethertype_print(ndo, length_type, p, length, caplen, &src, &dst) == 0) {
 387                         /* type not known, print raw packet */
 388                         if (!ndo->ndo_eflag) {
 389                                 /*
 390                                  * We didn't print the full link-layer
 391                                  * header, as -e wasn't specified, so
 392                                  * print only the source and destination
 393                                  * MAC addresses and the final Ethernet
 394                                  * type.
 395                                  */
 396                                 ether_addresses_print(ndo, src.addr, dst.addr);
 397                                 ether_type_print(ndo, length_type);
 398                                 ND_PRINT(", length %u: ", orig_length);
 399                         }
 400
 401                         if (!ndo->ndo_suppress_default_print)
 402                                 ND_DEFAULTPRINT(p, caplen);
 403                 }
 404         }
 405         return hdrlen;
 406 }
 407
 408 /*
 409  * Print an Ethernet frame while specyfing a non-standard Ethernet header
 410  * length.
 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_switch_tag_print(netdissect_options *ndo, const u_char *p, u_int length,
 419     u_int caplen,
 420     void (*print_switch_tag)(netdissect_options *, const u_char *),
 421     u_int switch_tag_len)
 422 {
 423         return ether_common_print(ndo, p, length, caplen, print_switch_tag,
 424                                   switch_tag_len, NULL, NULL);
 425 }
 426
 427 /*
 428  * Print an Ethernet frame.
 429  * This might be encapsulated within another frame; we might be passed
 430  * a pointer to a function that can print header information for that
 431  * frame's protocol, and an argument to pass to that function.
 432  *
 433  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
 434  */
 435 u_int
 436 ether_print(netdissect_options *ndo,
 437             const u_char *p, u_int length, u_int caplen,
 438             void (*print_encap_header)(netdissect_options *ndo, const u_char *),
 439             const u_char *encap_header_arg)
 440 {
 441         ndo->ndo_protocol = "ether";
 442         return ether_common_print(ndo, p, length, caplen, NULL, 0,
 443                                   print_encap_header, encap_header_arg);
 444 }
 445
 446 /*
 447  * This is the top level routine of the printer.  'p' points
 448  * to the ether header of the packet, 'h->len' is the length
 449  * of the packet off the wire, and 'h->caplen' is the number
 450  * of bytes actually captured.
 451  */
 452 void
 453 ether_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 454                const u_char *p)
 455 {
 456         ndo->ndo_protocol = "ether";
 457         ndo->ndo_ll_hdr_len +=
 458                 ether_print(ndo, p, h->len, h->caplen, NULL, NULL);
 459 }
 460
 461 /*
 462  * This is the top level routine of the printer.  'p' points
 463  * to the ether header of the packet, 'h->len' is the length
 464  * of the packet off the wire, and 'h->caplen' is the number
 465  * of bytes actually captured.
 466  *
 467  * This is for DLT_NETANALYZER, which has a 4-byte pseudo-header
 468  * before the Ethernet header.
 469  */
 470 void
 471 netanalyzer_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 472                      const u_char *p)
 473 {
 474         /*
 475          * Fail if we don't have enough data for the Hilscher pseudo-header.
 476          */
 477         ndo->ndo_protocol = "netanalyzer";
 478         ND_TCHECK_LEN(p, 4);
 479
 480         /* Skip the pseudo-header. */
 481         ndo->ndo_ll_hdr_len += 4;
 482         ndo->ndo_ll_hdr_len +=
 483                 ether_print(ndo, p + 4, h->len - 4, h->caplen - 4, NULL, NULL);
 484 }
 485
 486 /*
 487  * This is the top level routine of the printer.  'p' points
 488  * to the ether header of the packet, 'h->len' is the length
 489  * of the packet off the wire, and 'h->caplen' is the number
 490  * of bytes actually captured.
 491  *
 492  * This is for DLT_NETANALYZER_TRANSPARENT, which has a 4-byte
 493  * pseudo-header, a 7-byte Ethernet preamble, and a 1-byte Ethernet SOF
 494  * before the Ethernet header.
 495  */
 496 void
 497 netanalyzer_transparent_if_print(netdissect_options *ndo,
 498                                  const struct pcap_pkthdr *h,
 499                                  const u_char *p)
 500 {
 501         /*
 502          * Fail if we don't have enough data for the Hilscher pseudo-header,
 503          * preamble, and SOF.
 504          */
 505         ndo->ndo_protocol = "netanalyzer_transparent";
 506         ND_TCHECK_LEN(p, 12);
 507
 508         /* Skip the pseudo-header, preamble, and SOF. */
 509         ndo->ndo_ll_hdr_len += 12;
 510         ndo->ndo_ll_hdr_len +=
 511                 ether_print(ndo, p + 12, h->len - 12, h->caplen - 12, NULL, NULL);
 512 }
 513
 514 /*
 515  * Prints the packet payload, given an Ethernet type code for the payload's
 516  * protocol.
 517  *
 518  * Returns non-zero if it can do so, zero if the ethertype is unknown.
 519  */
 520
 521 int
 522 ethertype_print(netdissect_options *ndo,
 523                 u_short ether_type, const u_char *p,
 524                 u_int length, u_int caplen,
 525                 const struct lladdr_info *src, const struct lladdr_info *dst)
 526 {
 527         switch (ether_type) {
 528
 529         case ETHERTYPE_IP:
 530                 ip_print(ndo, p, length);
 531                 return (1);
 532
 533         case ETHERTYPE_IPV6:
 534                 ip6_print(ndo, p, length);
 535                 return (1);
 536
 537         case ETHERTYPE_ARP:
 538         case ETHERTYPE_REVARP:
 539                 arp_print(ndo, p, length, caplen);
 540                 return (1);
 541
 542         case ETHERTYPE_DN:
 543                 decnet_print(ndo, p, length, caplen);
 544                 return (1);
 545
 546         case ETHERTYPE_ATALK:
 547                 if (ndo->ndo_vflag)
 548                         ND_PRINT("et1 ");
 549                 atalk_print(ndo, p, length);
 550                 return (1);
 551
 552         case ETHERTYPE_AARP:
 553                 aarp_print(ndo, p, length);
 554                 return (1);
 555
 556         case ETHERTYPE_IPX:
 557                 ND_PRINT("(NOV-ETHII) ");
 558                 ipx_print(ndo, p, length);
 559                 return (1);
 560
 561         case ETHERTYPE_ISO:
 562                 if (length == 0 || caplen == 0) {
 563                         ndo->ndo_protocol = "isoclns";
 564                         nd_print_trunc(ndo);
 565                         return (1);
 566                 }
 567                 /* At least one byte is required */
 568                 /* FIXME: Reference for this byte? */
 569                 ND_TCHECK_1(p);
 570                 isoclns_print(ndo, p + 1, length - 1);
 571                 return(1);
 572
 573         case ETHERTYPE_PPPOED:
 574         case ETHERTYPE_PPPOES:
 575         case ETHERTYPE_PPPOED2:
 576         case ETHERTYPE_PPPOES2:
 577                 pppoe_print(ndo, p, length);
 578                 return (1);
 579
 580         case ETHERTYPE_EAPOL:
 581                 eapol_print(ndo, p);
 582                 return (1);
 583
 584         case ETHERTYPE_RRCP:
 585                 rrcp_print(ndo, p, length, src, dst);
 586                 return (1);
 587
 588         case ETHERTYPE_PPP:
 589                 if (length) {
 590                         ND_PRINT(": ");
 591                         ppp_print(ndo, p, length);
 592                 }
 593                 return (1);
 594
 595         case ETHERTYPE_MPCP:
 596                 mpcp_print(ndo, p, length);
 597                 return (1);
 598
 599         case ETHERTYPE_SLOW:
 600                 slow_print(ndo, p, length);
 601                 return (1);
 602
 603         case ETHERTYPE_CFM:
 604         case ETHERTYPE_CFM_OLD:
 605                 cfm_print(ndo, p, length);
 606                 return (1);
 607
 608         case ETHERTYPE_LLDP:
 609                 lldp_print(ndo, p, length);
 610                 return (1);
 611
 612         case ETHERTYPE_NSH:
 613                 nsh_print(ndo, p, length);
 614                 return (1);
 615
 616         case ETHERTYPE_LOOPBACK:
 617                 loopback_print(ndo, p, length);
 618                 return (1);
 619
 620         case ETHERTYPE_MPLS:
 621         case ETHERTYPE_MPLS_MULTI:
 622                 mpls_print(ndo, p, length);
 623                 return (1);
 624
 625         case ETHERTYPE_TIPC:
 626                 tipc_print(ndo, p, length, caplen);
 627                 return (1);
 628
 629         case ETHERTYPE_MS_NLB_HB:
 630                 msnlb_print(ndo, p);
 631                 return (1);
 632
 633         case ETHERTYPE_GEONET_OLD:
 634         case ETHERTYPE_GEONET:
 635                 geonet_print(ndo, p, length, src);
 636                 return (1);
 637
 638         case ETHERTYPE_CALM_FAST:
 639                 calm_fast_print(ndo, p, length, src);
 640                 return (1);
 641
 642         case ETHERTYPE_AOE:
 643                 aoe_print(ndo, p, length);
 644                 return (1);
 645
 646         case ETHERTYPE_PTP:
 647                 ptp_print(ndo, p, length);
 648                 return (1);
 649
 650         case ETHERTYPE_LAT:
 651         case ETHERTYPE_SCA:
 652         case ETHERTYPE_MOPRC:
 653         case ETHERTYPE_MOPDL:
 654         case ETHERTYPE_IEEE1905_1:
 655                 /* default_print for now */
 656         default:
 657                 return (0);
 658         }
 659 }