The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2 | * Copyright (c) 1998-2006 The TCPDUMP project |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 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 | * support for the IEEE "slow protocols" LACP, MARKER as per 802.3ad |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 16 | * OAM as per 802.3ah |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 17 | * |
| 18 | * Original code by Hannes Gredler (hannes@juniper.net) |
| 19 | */ |
| 20 | |
| 21 | #ifndef lint |
| 22 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 23 | "@(#) $Header: /tcpdump/master/tcpdump/print-slow.c,v 1.8 2006-10-12 05:44:33 hannes Exp $"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 24 | #endif |
| 25 | |
| 26 | #ifdef HAVE_CONFIG_H |
| 27 | #include "config.h" |
| 28 | #endif |
| 29 | |
| 30 | #include <tcpdump-stdinc.h> |
| 31 | |
| 32 | #include <stdio.h> |
| 33 | #include <stdlib.h> |
| 34 | #include <string.h> |
| 35 | |
| 36 | #include "interface.h" |
| 37 | #include "extract.h" |
| 38 | #include "addrtoname.h" |
| 39 | #include "ether.h" |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 40 | #include "oui.h" |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 41 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 42 | struct slow_common_header_t { |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 43 | u_int8_t proto_subtype; |
| 44 | u_int8_t version; |
| 45 | }; |
| 46 | |
| 47 | #define SLOW_PROTO_LACP 1 |
| 48 | #define SLOW_PROTO_MARKER 2 |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 49 | #define SLOW_PROTO_OAM 3 |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 50 | |
| 51 | #define LACP_VERSION 1 |
| 52 | #define MARKER_VERSION 1 |
| 53 | |
| 54 | static const struct tok slow_proto_values[] = { |
| 55 | { SLOW_PROTO_LACP, "LACP" }, |
| 56 | { SLOW_PROTO_MARKER, "MARKER" }, |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 57 | { SLOW_PROTO_OAM, "OAM" }, |
| 58 | { 0, NULL} |
| 59 | }; |
| 60 | |
| 61 | static const struct tok slow_oam_flag_values[] = { |
| 62 | { 0x0001, "Link Fault" }, |
| 63 | { 0x0002, "Dying Gasp" }, |
| 64 | { 0x0004, "Critical Event" }, |
| 65 | { 0x0008, "Local Evaluating" }, |
| 66 | { 0x0010, "Local Stable" }, |
| 67 | { 0x0020, "Remote Evaluating" }, |
| 68 | { 0x0040, "Remote Stable" }, |
| 69 | { 0, NULL} |
| 70 | }; |
| 71 | |
| 72 | #define SLOW_OAM_CODE_INFO 0x00 |
| 73 | #define SLOW_OAM_CODE_EVENT_NOTIF 0x01 |
| 74 | #define SLOW_OAM_CODE_VAR_REQUEST 0x02 |
| 75 | #define SLOW_OAM_CODE_VAR_RESPONSE 0x03 |
| 76 | #define SLOW_OAM_CODE_LOOPBACK_CTRL 0x04 |
| 77 | #define SLOW_OAM_CODE_PRIVATE 0xfe |
| 78 | |
| 79 | static const struct tok slow_oam_code_values[] = { |
| 80 | { SLOW_OAM_CODE_INFO, "Information" }, |
| 81 | { SLOW_OAM_CODE_EVENT_NOTIF, "Event Notification" }, |
| 82 | { SLOW_OAM_CODE_VAR_REQUEST, "Variable Request" }, |
| 83 | { SLOW_OAM_CODE_VAR_RESPONSE, "Variable Response" }, |
| 84 | { SLOW_OAM_CODE_LOOPBACK_CTRL, "Loopback Control" }, |
| 85 | { SLOW_OAM_CODE_PRIVATE, "Vendor Private" }, |
| 86 | { 0, NULL} |
| 87 | }; |
| 88 | |
| 89 | struct slow_oam_info_t { |
| 90 | u_int8_t info_type; |
| 91 | u_int8_t info_length; |
| 92 | u_int8_t oam_version; |
| 93 | u_int8_t revision[2]; |
| 94 | u_int8_t state; |
| 95 | u_int8_t oam_config; |
| 96 | u_int8_t oam_pdu_config[2]; |
| 97 | u_int8_t oui[3]; |
| 98 | u_int8_t vendor_private[4]; |
| 99 | }; |
| 100 | |
| 101 | #define SLOW_OAM_INFO_TYPE_END_OF_TLV 0x00 |
| 102 | #define SLOW_OAM_INFO_TYPE_LOCAL 0x01 |
| 103 | #define SLOW_OAM_INFO_TYPE_REMOTE 0x02 |
| 104 | #define SLOW_OAM_INFO_TYPE_ORG_SPECIFIC 0xfe |
| 105 | |
| 106 | static const struct tok slow_oam_info_type_values[] = { |
| 107 | { SLOW_OAM_INFO_TYPE_END_OF_TLV, "End of TLV marker" }, |
| 108 | { SLOW_OAM_INFO_TYPE_LOCAL, "Local" }, |
| 109 | { SLOW_OAM_INFO_TYPE_REMOTE, "Remote" }, |
| 110 | { SLOW_OAM_INFO_TYPE_ORG_SPECIFIC, "Organization specific" }, |
| 111 | { 0, NULL} |
| 112 | }; |
| 113 | |
| 114 | #define OAM_INFO_TYPE_PARSER_MASK 0x3 |
| 115 | static const struct tok slow_oam_info_type_state_parser_values[] = { |
| 116 | { 0x00, "forwarding" }, |
| 117 | { 0x01, "looping back" }, |
| 118 | { 0x02, "discarding" }, |
| 119 | { 0x03, "reserved" }, |
| 120 | { 0, NULL} |
| 121 | }; |
| 122 | |
| 123 | #define OAM_INFO_TYPE_MUX_MASK 0x4 |
| 124 | static const struct tok slow_oam_info_type_state_mux_values[] = { |
| 125 | { 0x00, "forwarding" }, |
| 126 | { 0x04, "discarding" }, |
| 127 | { 0, NULL} |
| 128 | }; |
| 129 | |
| 130 | static const struct tok slow_oam_info_type_oam_config_values[] = { |
| 131 | { 0x01, "Active" }, |
| 132 | { 0x02, "Unidirectional" }, |
| 133 | { 0x04, "Remote-Loopback" }, |
| 134 | { 0x08, "Link-Events" }, |
| 135 | { 0x10, "Variable-Retrieval" }, |
| 136 | { 0, NULL} |
| 137 | }; |
| 138 | |
| 139 | /* 11 Bits */ |
| 140 | #define OAM_INFO_TYPE_PDU_SIZE_MASK 0x7ff |
| 141 | |
| 142 | #define SLOW_OAM_LINK_EVENT_END_OF_TLV 0x00 |
| 143 | #define SLOW_OAM_LINK_EVENT_ERR_SYM_PER 0x01 |
| 144 | #define SLOW_OAM_LINK_EVENT_ERR_FRM 0x02 |
| 145 | #define SLOW_OAM_LINK_EVENT_ERR_FRM_PER 0x03 |
| 146 | #define SLOW_OAM_LINK_EVENT_ERR_FRM_SUMM 0x04 |
| 147 | #define SLOW_OAM_LINK_EVENT_ORG_SPECIFIC 0xfe |
| 148 | |
| 149 | static const struct tok slow_oam_link_event_values[] = { |
| 150 | { SLOW_OAM_LINK_EVENT_END_OF_TLV, "End of TLV marker" }, |
| 151 | { SLOW_OAM_LINK_EVENT_ERR_SYM_PER, "Errored Symbol Period Event" }, |
| 152 | { SLOW_OAM_LINK_EVENT_ERR_FRM, "Errored Frame Event" }, |
| 153 | { SLOW_OAM_LINK_EVENT_ERR_FRM_PER, "Errored Frame Period Event" }, |
| 154 | { SLOW_OAM_LINK_EVENT_ERR_FRM_SUMM, "Errored Frame Seconds Summary Event" }, |
| 155 | { SLOW_OAM_LINK_EVENT_ORG_SPECIFIC, "Organization specific" }, |
| 156 | { 0, NULL} |
| 157 | }; |
| 158 | |
| 159 | struct slow_oam_link_event_t { |
| 160 | u_int8_t event_type; |
| 161 | u_int8_t event_length; |
| 162 | u_int8_t time_stamp[2]; |
| 163 | u_int8_t window[8]; |
| 164 | u_int8_t threshold[8]; |
| 165 | u_int8_t errors[8]; |
| 166 | u_int8_t errors_running_total[8]; |
| 167 | u_int8_t event_running_total[4]; |
| 168 | }; |
| 169 | |
| 170 | struct slow_oam_variablerequest_t { |
| 171 | u_int8_t branch; |
| 172 | u_int8_t leaf[2]; |
| 173 | }; |
| 174 | |
| 175 | struct slow_oam_variableresponse_t { |
| 176 | u_int8_t branch; |
| 177 | u_int8_t leaf[2]; |
| 178 | u_int8_t length; |
| 179 | }; |
| 180 | |
| 181 | struct slow_oam_loopbackctrl_t { |
| 182 | u_int8_t command; |
| 183 | }; |
| 184 | |
| 185 | static const struct tok slow_oam_loopbackctrl_cmd_values[] = { |
| 186 | { 0x01, "Enable OAM Remote Loopback" }, |
| 187 | { 0x02, "Disable OAM Remote Loopback" }, |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 188 | { 0, NULL} |
| 189 | }; |
| 190 | |
| 191 | struct tlv_header_t { |
| 192 | u_int8_t type; |
| 193 | u_int8_t length; |
| 194 | }; |
| 195 | |
| 196 | #define LACP_TLV_TERMINATOR 0x00 |
| 197 | #define LACP_TLV_ACTOR_INFO 0x01 |
| 198 | #define LACP_TLV_PARTNER_INFO 0x02 |
| 199 | #define LACP_TLV_COLLECTOR_INFO 0x03 |
| 200 | |
| 201 | #define MARKER_TLV_TERMINATOR 0x00 |
| 202 | #define MARKER_TLV_MARKER_INFO 0x01 |
| 203 | |
| 204 | static const struct tok slow_tlv_values[] = { |
| 205 | { (SLOW_PROTO_LACP << 8) + LACP_TLV_TERMINATOR, "Terminator"}, |
| 206 | { (SLOW_PROTO_LACP << 8) + LACP_TLV_ACTOR_INFO, "Actor Information"}, |
| 207 | { (SLOW_PROTO_LACP << 8) + LACP_TLV_PARTNER_INFO, "Partner Information"}, |
| 208 | { (SLOW_PROTO_LACP << 8) + LACP_TLV_COLLECTOR_INFO, "Collector Information"}, |
| 209 | |
| 210 | { (SLOW_PROTO_MARKER << 8) + MARKER_TLV_TERMINATOR, "Terminator"}, |
| 211 | { (SLOW_PROTO_MARKER << 8) + MARKER_TLV_MARKER_INFO, "Marker Information"}, |
| 212 | { 0, NULL} |
| 213 | }; |
| 214 | |
| 215 | struct lacp_tlv_actor_partner_info_t { |
| 216 | u_int8_t sys_pri[2]; |
| 217 | u_int8_t sys[ETHER_ADDR_LEN]; |
| 218 | u_int8_t key[2]; |
| 219 | u_int8_t port_pri[2]; |
| 220 | u_int8_t port[2]; |
| 221 | u_int8_t state; |
| 222 | u_int8_t pad[3]; |
| 223 | }; |
| 224 | |
| 225 | static const struct tok lacp_tlv_actor_partner_info_state_values[] = { |
| 226 | { 0x01, "Activity"}, |
| 227 | { 0x02, "Timeout"}, |
| 228 | { 0x04, "Aggregation"}, |
| 229 | { 0x08, "Synchronization"}, |
| 230 | { 0x10, "Collecting"}, |
| 231 | { 0x20, "Distributing"}, |
| 232 | { 0x40, "Default"}, |
| 233 | { 0x80, "Expired"}, |
| 234 | { 0, NULL} |
| 235 | }; |
| 236 | |
| 237 | struct lacp_tlv_collector_info_t { |
| 238 | u_int8_t max_delay[2]; |
| 239 | u_int8_t pad[12]; |
| 240 | }; |
| 241 | |
| 242 | struct marker_tlv_marker_info_t { |
| 243 | u_int8_t req_port[2]; |
| 244 | u_int8_t req_sys[ETHER_ADDR_LEN]; |
| 245 | u_int8_t req_trans_id[4]; |
| 246 | u_int8_t pad[2]; |
| 247 | }; |
| 248 | |
| 249 | struct lacp_marker_tlv_terminator_t { |
| 250 | u_int8_t pad[50]; |
| 251 | }; |
| 252 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 253 | void slow_marker_lacp_print(register const u_char *, register u_int); |
| 254 | void slow_oam_print(register const u_char *, register u_int); |
| 255 | |
| 256 | const struct slow_common_header_t *slow_com_header; |
| 257 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 258 | void |
| 259 | slow_print(register const u_char *pptr, register u_int len) { |
| 260 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 261 | int print_version; |
| 262 | |
| 263 | slow_com_header = (const struct slow_common_header_t *)pptr; |
| 264 | TCHECK(*slow_com_header); |
| 265 | |
| 266 | /* |
| 267 | * Sanity checking of the header. |
| 268 | */ |
| 269 | switch (slow_com_header->proto_subtype) { |
| 270 | case SLOW_PROTO_LACP: |
| 271 | if (slow_com_header->version != LACP_VERSION) { |
| 272 | printf("LACP version %u packet not supported",slow_com_header->version); |
| 273 | return; |
| 274 | } |
| 275 | print_version = 1; |
| 276 | break; |
| 277 | |
| 278 | case SLOW_PROTO_MARKER: |
| 279 | if (slow_com_header->version != MARKER_VERSION) { |
| 280 | printf("MARKER version %u packet not supported",slow_com_header->version); |
| 281 | return; |
| 282 | } |
| 283 | print_version = 1; |
| 284 | break; |
| 285 | |
| 286 | case SLOW_PROTO_OAM: /* fall through */ |
| 287 | print_version = 0; |
| 288 | break; |
| 289 | |
| 290 | default: |
| 291 | /* print basic information and exit */ |
| 292 | print_version = -1; |
| 293 | break; |
| 294 | } |
| 295 | |
| 296 | if (print_version) { |
| 297 | printf("%sv%u, length %u", |
| 298 | tok2str(slow_proto_values, "unknown (%u)",slow_com_header->proto_subtype), |
| 299 | slow_com_header->version, |
| 300 | len); |
| 301 | } else { |
| 302 | /* some slow protos don't have a version number in the header */ |
| 303 | printf("%s, length %u", |
| 304 | tok2str(slow_proto_values, "unknown (%u)",slow_com_header->proto_subtype), |
| 305 | len); |
| 306 | } |
| 307 | |
| 308 | /* unrecognized subtype */ |
| 309 | if (print_version == -1) { |
| 310 | print_unknown_data(pptr, "\n\t", len); |
| 311 | return; |
| 312 | } |
| 313 | |
| 314 | if (!vflag) |
| 315 | return; |
| 316 | |
| 317 | switch (slow_com_header->proto_subtype) { |
| 318 | default: /* should not happen */ |
| 319 | break; |
| 320 | |
| 321 | case SLOW_PROTO_OAM: |
| 322 | /* skip proto_subtype */ |
| 323 | slow_oam_print(pptr+1, len-1); |
| 324 | break; |
| 325 | |
| 326 | case SLOW_PROTO_LACP: /* LACP and MARKER share the same semantics */ |
| 327 | case SLOW_PROTO_MARKER: |
| 328 | /* skip slow_common_header */ |
| 329 | len -= sizeof(const struct slow_common_header_t); |
| 330 | pptr += sizeof(const struct slow_common_header_t); |
| 331 | slow_marker_lacp_print(pptr, len); |
| 332 | break; |
| 333 | } |
| 334 | return; |
| 335 | |
| 336 | trunc: |
| 337 | printf("\n\t\t packet exceeded snapshot"); |
| 338 | } |
| 339 | |
| 340 | void slow_marker_lacp_print(register const u_char *tptr, register u_int tlen) { |
| 341 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 342 | const struct tlv_header_t *tlv_header; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 343 | const u_char *tlv_tptr; |
| 344 | u_int tlv_len, tlv_tlen; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 345 | |
| 346 | union { |
| 347 | const struct lacp_marker_tlv_terminator_t *lacp_marker_tlv_terminator; |
| 348 | const struct lacp_tlv_actor_partner_info_t *lacp_tlv_actor_partner_info; |
| 349 | const struct lacp_tlv_collector_info_t *lacp_tlv_collector_info; |
| 350 | const struct marker_tlv_marker_info_t *marker_tlv_marker_info; |
| 351 | } tlv_ptr; |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 352 | |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 353 | while(tlen>0) { |
| 354 | /* did we capture enough for fully decoding the tlv header ? */ |
| 355 | TCHECK2(*tptr, sizeof(struct tlv_header_t)); |
| 356 | tlv_header = (const struct tlv_header_t *)tptr; |
| 357 | tlv_len = tlv_header->length; |
| 358 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 359 | printf("\n\t%s TLV (0x%02x), length %u", |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 360 | tok2str(slow_tlv_values, |
| 361 | "Unknown", |
| 362 | (slow_com_header->proto_subtype << 8) + tlv_header->type), |
| 363 | tlv_header->type, |
| 364 | tlv_len); |
| 365 | |
| 366 | if ((tlv_len < sizeof(struct tlv_header_t) || |
| 367 | tlv_len > tlen) && |
| 368 | tlv_header->type != LACP_TLV_TERMINATOR && |
| 369 | tlv_header->type != MARKER_TLV_TERMINATOR) { |
| 370 | printf("\n\t-----trailing data-----"); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 371 | print_unknown_data(tptr+sizeof(struct tlv_header_t),"\n\t ",tlen); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 372 | return; |
| 373 | } |
| 374 | |
| 375 | tlv_tptr=tptr+sizeof(struct tlv_header_t); |
| 376 | tlv_tlen=tlv_len-sizeof(struct tlv_header_t); |
| 377 | |
| 378 | /* did we capture enough for fully decoding the tlv ? */ |
| 379 | TCHECK2(*tptr, tlv_len); |
| 380 | |
| 381 | switch((slow_com_header->proto_subtype << 8) + tlv_header->type) { |
| 382 | |
| 383 | /* those two TLVs have the same structure -> fall through */ |
| 384 | case ((SLOW_PROTO_LACP << 8) + LACP_TLV_ACTOR_INFO): |
| 385 | case ((SLOW_PROTO_LACP << 8) + LACP_TLV_PARTNER_INFO): |
| 386 | tlv_ptr.lacp_tlv_actor_partner_info = (const struct lacp_tlv_actor_partner_info_t *)tlv_tptr; |
| 387 | |
| 388 | printf("\n\t System %s, System Priority %u, Key %u" \ |
| 389 | ", Port %u, Port Priority %u\n\t State Flags [%s]", |
| 390 | etheraddr_string(tlv_ptr.lacp_tlv_actor_partner_info->sys), |
| 391 | EXTRACT_16BITS(tlv_ptr.lacp_tlv_actor_partner_info->sys_pri), |
| 392 | EXTRACT_16BITS(tlv_ptr.lacp_tlv_actor_partner_info->key), |
| 393 | EXTRACT_16BITS(tlv_ptr.lacp_tlv_actor_partner_info->port), |
| 394 | EXTRACT_16BITS(tlv_ptr.lacp_tlv_actor_partner_info->port_pri), |
| 395 | bittok2str(lacp_tlv_actor_partner_info_state_values, |
| 396 | "none", |
| 397 | tlv_ptr.lacp_tlv_actor_partner_info->state)); |
| 398 | |
| 399 | break; |
| 400 | |
| 401 | case ((SLOW_PROTO_LACP << 8) + LACP_TLV_COLLECTOR_INFO): |
| 402 | tlv_ptr.lacp_tlv_collector_info = (const struct lacp_tlv_collector_info_t *)tlv_tptr; |
| 403 | |
| 404 | printf("\n\t Max Delay %u", |
| 405 | EXTRACT_16BITS(tlv_ptr.lacp_tlv_collector_info->max_delay)); |
| 406 | |
| 407 | break; |
| 408 | |
| 409 | case ((SLOW_PROTO_MARKER << 8) + MARKER_TLV_MARKER_INFO): |
| 410 | tlv_ptr.marker_tlv_marker_info = (const struct marker_tlv_marker_info_t *)tlv_tptr; |
| 411 | |
| 412 | printf("\n\t Request System %s, Request Port %u, Request Transaction ID 0x%08x", |
| 413 | etheraddr_string(tlv_ptr.marker_tlv_marker_info->req_sys), |
| 414 | EXTRACT_16BITS(tlv_ptr.marker_tlv_marker_info->req_port), |
| 415 | EXTRACT_32BITS(tlv_ptr.marker_tlv_marker_info->req_trans_id)); |
| 416 | |
| 417 | break; |
| 418 | |
| 419 | /* those two TLVs have the same structure -> fall through */ |
| 420 | case ((SLOW_PROTO_LACP << 8) + LACP_TLV_TERMINATOR): |
| 421 | case ((SLOW_PROTO_MARKER << 8) + LACP_TLV_TERMINATOR): |
| 422 | tlv_ptr.lacp_marker_tlv_terminator = (const struct lacp_marker_tlv_terminator_t *)tlv_tptr; |
| 423 | if (tlv_len == 0) { |
| 424 | tlv_len = sizeof(tlv_ptr.lacp_marker_tlv_terminator->pad) + |
| 425 | sizeof(struct tlv_header_t); |
| 426 | /* tell the user that we modified the length field */ |
| 427 | if (vflag>1) |
| 428 | printf(" (=%u)",tlv_len); |
| 429 | /* we have messed around with the length field - now we need to check |
| 430 | * again if there are enough bytes on the wire for the hexdump */ |
| 431 | TCHECK2(tlv_ptr.lacp_marker_tlv_terminator->pad[0], |
| 432 | sizeof(tlv_ptr.lacp_marker_tlv_terminator->pad)); |
| 433 | } |
| 434 | |
| 435 | break; |
| 436 | |
| 437 | default: |
| 438 | if (vflag <= 1) |
| 439 | print_unknown_data(tlv_tptr,"\n\t ",tlv_tlen); |
| 440 | break; |
| 441 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 442 | /* do we want to see an additional hexdump ? */ |
| 443 | if (vflag > 1) { |
| 444 | print_unknown_data(tptr+sizeof(struct tlv_header_t),"\n\t ", |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 445 | tlv_len-sizeof(struct tlv_header_t)); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 446 | } |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 447 | |
| 448 | tptr+=tlv_len; |
| 449 | tlen-=tlv_len; |
| 450 | } |
| 451 | return; |
| 452 | trunc: |
| 453 | printf("\n\t\t packet exceeded snapshot"); |
| 454 | } |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 455 | |
| 456 | void slow_oam_print(register const u_char *tptr, register u_int tlen) { |
| 457 | |
| 458 | u_int hexdump; |
| 459 | |
| 460 | struct slow_oam_common_header_t { |
| 461 | u_int8_t flags[2]; |
| 462 | u_int8_t code; |
| 463 | }; |
| 464 | |
| 465 | struct slow_oam_tlv_header_t { |
| 466 | u_int8_t type; |
| 467 | u_int8_t length; |
| 468 | }; |
| 469 | |
| 470 | union { |
| 471 | const struct slow_oam_common_header_t *slow_oam_common_header; |
| 472 | const struct slow_oam_tlv_header_t *slow_oam_tlv_header; |
| 473 | } ptr; |
| 474 | |
| 475 | union { |
| 476 | const struct slow_oam_info_t *slow_oam_info; |
| 477 | const struct slow_oam_link_event_t *slow_oam_link_event; |
| 478 | const struct slow_oam_variablerequest_t *slow_oam_variablerequest; |
| 479 | const struct slow_oam_variableresponse_t *slow_oam_variableresponse; |
| 480 | const struct slow_oam_loopbackctrl_t *slow_oam_loopbackctrl; |
| 481 | } tlv; |
| 482 | |
| 483 | ptr.slow_oam_common_header = (struct slow_oam_common_header_t *)tptr; |
| 484 | tptr += sizeof(struct slow_oam_common_header_t); |
| 485 | tlen -= sizeof(struct slow_oam_common_header_t); |
| 486 | |
| 487 | printf("\n\tCode %s OAM PDU, Flags [%s]", |
| 488 | tok2str(slow_oam_code_values, "Unknown (%u)", ptr.slow_oam_common_header->code), |
| 489 | bittok2str(slow_oam_flag_values, |
| 490 | "none", |
| 491 | EXTRACT_16BITS(&ptr.slow_oam_common_header->flags))); |
| 492 | |
| 493 | switch (ptr.slow_oam_common_header->code) { |
| 494 | case SLOW_OAM_CODE_INFO: |
| 495 | while (tlen > 0) { |
| 496 | ptr.slow_oam_tlv_header = (const struct slow_oam_tlv_header_t *)tptr; |
| 497 | printf("\n\t %s Information Type (%u), length %u", |
| 498 | tok2str(slow_oam_info_type_values, "Reserved", |
| 499 | ptr.slow_oam_tlv_header->type), |
| 500 | ptr.slow_oam_tlv_header->type, |
| 501 | ptr.slow_oam_tlv_header->length); |
| 502 | |
| 503 | hexdump = FALSE; |
| 504 | switch (ptr.slow_oam_tlv_header->type) { |
| 505 | case SLOW_OAM_INFO_TYPE_END_OF_TLV: |
| 506 | if (ptr.slow_oam_tlv_header->length != 0) { |
| 507 | printf("\n\t ERROR: illegal length - should be 0"); |
| 508 | } |
| 509 | return; |
| 510 | |
| 511 | case SLOW_OAM_INFO_TYPE_LOCAL: /* identical format - fall through */ |
| 512 | case SLOW_OAM_INFO_TYPE_REMOTE: |
| 513 | tlv.slow_oam_info = (const struct slow_oam_info_t *)tptr; |
| 514 | |
| 515 | if (tlv.slow_oam_info->info_length != |
| 516 | sizeof(struct slow_oam_info_t)) { |
| 517 | printf("\n\t ERROR: illegal length - should be %lu", |
| 518 | (unsigned long) sizeof(struct slow_oam_info_t)); |
| 519 | return; |
| 520 | } |
| 521 | |
| 522 | printf("\n\t OAM-Version %u, Revision %u", |
| 523 | tlv.slow_oam_info->oam_version, |
| 524 | EXTRACT_16BITS(&tlv.slow_oam_info->revision)); |
| 525 | |
| 526 | printf("\n\t State-Parser-Action %s, State-MUX-Action %s", |
| 527 | tok2str(slow_oam_info_type_state_parser_values, "Reserved", |
| 528 | tlv.slow_oam_info->state & OAM_INFO_TYPE_PARSER_MASK), |
| 529 | tok2str(slow_oam_info_type_state_mux_values, "Reserved", |
| 530 | tlv.slow_oam_info->state & OAM_INFO_TYPE_MUX_MASK)); |
| 531 | printf("\n\t OAM-Config Flags [%s], OAM-PDU-Config max-PDU size %u", |
| 532 | bittok2str(slow_oam_info_type_oam_config_values, "none", |
| 533 | tlv.slow_oam_info->oam_config), |
| 534 | EXTRACT_16BITS(&tlv.slow_oam_info->oam_pdu_config) & |
| 535 | OAM_INFO_TYPE_PDU_SIZE_MASK); |
| 536 | printf("\n\t OUI %s (0x%06x), Vendor-Private 0x%08x", |
| 537 | tok2str(oui_values, "Unknown", |
| 538 | EXTRACT_24BITS(&tlv.slow_oam_info->oui)), |
| 539 | EXTRACT_24BITS(&tlv.slow_oam_info->oui), |
| 540 | EXTRACT_32BITS(&tlv.slow_oam_info->vendor_private)); |
| 541 | break; |
| 542 | |
| 543 | case SLOW_OAM_INFO_TYPE_ORG_SPECIFIC: |
| 544 | hexdump = TRUE; |
| 545 | break; |
| 546 | |
| 547 | default: |
| 548 | hexdump = TRUE; |
| 549 | break; |
| 550 | } |
| 551 | |
| 552 | /* infinite loop check */ |
| 553 | if (!ptr.slow_oam_tlv_header->length) { |
| 554 | return; |
| 555 | } |
| 556 | |
| 557 | /* do we also want to see a hex dump ? */ |
| 558 | if (vflag > 1 || hexdump==TRUE) { |
| 559 | print_unknown_data(tptr,"\n\t ", |
| 560 | ptr.slow_oam_tlv_header->length); |
| 561 | } |
| 562 | |
| 563 | tlen -= ptr.slow_oam_tlv_header->length; |
| 564 | tptr += ptr.slow_oam_tlv_header->length; |
| 565 | } |
| 566 | break; |
| 567 | |
| 568 | case SLOW_OAM_CODE_EVENT_NOTIF: |
| 569 | while (tlen > 0) { |
| 570 | ptr.slow_oam_tlv_header = (const struct slow_oam_tlv_header_t *)tptr; |
| 571 | printf("\n\t %s Link Event Type (%u), length %u", |
| 572 | tok2str(slow_oam_link_event_values, "Reserved", |
| 573 | ptr.slow_oam_tlv_header->type), |
| 574 | ptr.slow_oam_tlv_header->type, |
| 575 | ptr.slow_oam_tlv_header->length); |
| 576 | |
| 577 | hexdump = FALSE; |
| 578 | switch (ptr.slow_oam_tlv_header->type) { |
| 579 | case SLOW_OAM_LINK_EVENT_END_OF_TLV: |
| 580 | if (ptr.slow_oam_tlv_header->length != 0) { |
| 581 | printf("\n\t ERROR: illegal length - should be 0"); |
| 582 | } |
| 583 | return; |
| 584 | |
| 585 | case SLOW_OAM_LINK_EVENT_ERR_SYM_PER: /* identical format - fall through */ |
| 586 | case SLOW_OAM_LINK_EVENT_ERR_FRM: |
| 587 | case SLOW_OAM_LINK_EVENT_ERR_FRM_PER: |
| 588 | case SLOW_OAM_LINK_EVENT_ERR_FRM_SUMM: |
| 589 | tlv.slow_oam_link_event = (const struct slow_oam_link_event_t *)tptr; |
| 590 | |
| 591 | if (tlv.slow_oam_link_event->event_length != |
| 592 | sizeof(struct slow_oam_link_event_t)) { |
| 593 | printf("\n\t ERROR: illegal length - should be %lu", |
| 594 | (unsigned long) sizeof(struct slow_oam_link_event_t)); |
| 595 | return; |
| 596 | } |
| 597 | |
| 598 | printf("\n\t Timestamp %u ms, Errored Window %" PRIu64 |
| 599 | "\n\t Errored Threshold %" PRIu64 |
| 600 | "\n\t Errors %" PRIu64 |
| 601 | "\n\t Error Running Total %" PRIu64 |
| 602 | "\n\t Event Running Total %u", |
| 603 | EXTRACT_16BITS(&tlv.slow_oam_link_event->time_stamp)*100, |
| 604 | EXTRACT_64BITS(&tlv.slow_oam_link_event->window), |
| 605 | EXTRACT_64BITS(&tlv.slow_oam_link_event->threshold), |
| 606 | EXTRACT_64BITS(&tlv.slow_oam_link_event->errors), |
| 607 | EXTRACT_64BITS(&tlv.slow_oam_link_event->errors_running_total), |
| 608 | EXTRACT_32BITS(&tlv.slow_oam_link_event->event_running_total)); |
| 609 | break; |
| 610 | |
| 611 | case SLOW_OAM_LINK_EVENT_ORG_SPECIFIC: |
| 612 | hexdump = TRUE; |
| 613 | break; |
| 614 | |
| 615 | default: |
| 616 | hexdump = TRUE; |
| 617 | break; |
| 618 | } |
| 619 | |
| 620 | /* infinite loop check */ |
| 621 | if (!ptr.slow_oam_tlv_header->length) { |
| 622 | return; |
| 623 | } |
| 624 | |
| 625 | /* do we also want to see a hex dump ? */ |
| 626 | if (vflag > 1 || hexdump==TRUE) { |
| 627 | print_unknown_data(tptr,"\n\t ", |
| 628 | ptr.slow_oam_tlv_header->length); |
| 629 | } |
| 630 | |
| 631 | tlen -= ptr.slow_oam_tlv_header->length; |
| 632 | tptr += ptr.slow_oam_tlv_header->length; |
| 633 | } |
| 634 | break; |
| 635 | |
| 636 | case SLOW_OAM_CODE_LOOPBACK_CTRL: |
| 637 | tlv.slow_oam_loopbackctrl = (const struct slow_oam_loopbackctrl_t *)tptr; |
| 638 | printf("\n\t Command %s (%u)", |
| 639 | tok2str(slow_oam_loopbackctrl_cmd_values, |
| 640 | "Unknown", |
| 641 | tlv.slow_oam_loopbackctrl->command), |
| 642 | tlv.slow_oam_loopbackctrl->command); |
| 643 | tptr ++; |
| 644 | tlen --; |
| 645 | break; |
| 646 | |
| 647 | /* |
| 648 | * FIXME those are the defined codes that lack a decoder |
| 649 | * you are welcome to contribute code ;-) |
| 650 | */ |
| 651 | case SLOW_OAM_CODE_VAR_REQUEST: |
| 652 | case SLOW_OAM_CODE_VAR_RESPONSE: |
| 653 | case SLOW_OAM_CODE_PRIVATE: |
| 654 | default: |
| 655 | if (vflag <= 1) { |
| 656 | print_unknown_data(tptr,"\n\t ", tlen); |
| 657 | } |
| 658 | break; |
| 659 | } |
| 660 | return; |
| 661 | } |