#ifndef lint
static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-slow.c,v 1.2 2006-02-16 16:42:44 hannes Exp $";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-slow.c,v 1.8 2006-10-12 05:44:33 hannes Exp $";
#endif
#ifdef HAVE_CONFIG_H
#include "extract.h"
#include "addrtoname.h"
#include "ether.h"
+#include "oui.h"
struct slow_common_header_t {
u_int8_t proto_subtype;
{ 0, NULL}
};
+struct slow_oam_info_t {
+ u_int8_t info_type;
+ u_int8_t info_length;
+ u_int8_t oam_version;
+ u_int8_t revision[2];
+ u_int8_t state;
+ u_int8_t oam_config;
+ u_int8_t oam_pdu_config[2];
+ u_int8_t oui[3];
+ u_int8_t vendor_private[4];
+};
+
+#define SLOW_OAM_INFO_TYPE_END_OF_TLV 0x00
+#define SLOW_OAM_INFO_TYPE_LOCAL 0x01
+#define SLOW_OAM_INFO_TYPE_REMOTE 0x02
+#define SLOW_OAM_INFO_TYPE_ORG_SPECIFIC 0xfe
+
+static const struct tok slow_oam_info_type_values[] = {
+ { SLOW_OAM_INFO_TYPE_END_OF_TLV, "End of TLV marker" },
+ { SLOW_OAM_INFO_TYPE_LOCAL, "Local" },
+ { SLOW_OAM_INFO_TYPE_REMOTE, "Remote" },
+ { SLOW_OAM_INFO_TYPE_ORG_SPECIFIC, "Organization specific" },
+ { 0, NULL}
+};
+
+#define OAM_INFO_TYPE_PARSER_MASK 0x3
+static const struct tok slow_oam_info_type_state_parser_values[] = {
+ { 0x00, "forwarding" },
+ { 0x01, "looping back" },
+ { 0x02, "discarding" },
+ { 0x03, "reserved" },
+ { 0, NULL}
+};
+
+#define OAM_INFO_TYPE_MUX_MASK 0x4
+static const struct tok slow_oam_info_type_state_mux_values[] = {
+ { 0x00, "forwarding" },
+ { 0x04, "discarding" },
+ { 0, NULL}
+};
+
+static const struct tok slow_oam_info_type_oam_config_values[] = {
+ { 0x01, "Active" },
+ { 0x02, "Unidirectional" },
+ { 0x04, "Remote-Loopback" },
+ { 0x08, "Link-Events" },
+ { 0x10, "Variable-Retrieval" },
+ { 0, NULL}
+};
+
+/* 11 Bits */
+#define OAM_INFO_TYPE_PDU_SIZE_MASK 0x7ff
+
+#define SLOW_OAM_LINK_EVENT_END_OF_TLV 0x00
+#define SLOW_OAM_LINK_EVENT_ERR_SYM_PER 0x01
+#define SLOW_OAM_LINK_EVENT_ERR_FRM 0x02
+#define SLOW_OAM_LINK_EVENT_ERR_FRM_PER 0x03
+#define SLOW_OAM_LINK_EVENT_ERR_FRM_SUMM 0x04
+#define SLOW_OAM_LINK_EVENT_ORG_SPECIFIC 0xfe
+
+static const struct tok slow_oam_link_event_values[] = {
+ { SLOW_OAM_LINK_EVENT_END_OF_TLV, "End of TLV marker" },
+ { SLOW_OAM_LINK_EVENT_ERR_SYM_PER, "Errored Symbol Period Event" },
+ { SLOW_OAM_LINK_EVENT_ERR_FRM, "Errored Frame Event" },
+ { SLOW_OAM_LINK_EVENT_ERR_FRM_PER, "Errored Frame Period Event" },
+ { SLOW_OAM_LINK_EVENT_ERR_FRM_SUMM, "Errored Frame Seconds Summary Event" },
+ { SLOW_OAM_LINK_EVENT_ORG_SPECIFIC, "Organization specific" },
+ { 0, NULL}
+};
+
+struct slow_oam_link_event_t {
+ u_int8_t event_type;
+ u_int8_t event_length;
+ u_int8_t time_stamp[2];
+ u_int8_t window[8];
+ u_int8_t threshold[8];
+ u_int8_t errors[8];
+ u_int8_t errors_running_total[8];
+ u_int8_t event_running_total[4];
+};
+
+struct slow_oam_variablerequest_t {
+ u_int8_t branch;
+ u_int8_t leaf[2];
+};
+
+struct slow_oam_variableresponse_t {
+ u_int8_t branch;
+ u_int8_t leaf[2];
+ u_int8_t length;
+};
+
+struct slow_oam_loopbackctrl_t {
+ u_int8_t command;
+};
+
+static const struct tok slow_oam_loopbackctrl_cmd_values[] = {
+ { 0x01, "Enable OAM Remote Loopback" },
+ { 0x02, "Disable OAM Remote Loopback" },
+ { 0, NULL}
+};
+
struct tlv_header_t {
u_int8_t type;
u_int8_t length;
void slow_oam_print(register const u_char *tptr, register u_int tlen) {
+ u_int hexdump;
+
struct slow_oam_common_header_t {
u_int8_t flags[2];
u_int8_t code;
};
- const struct slow_oam_common_header_t *slow_oam_common_header;
+
+ struct slow_oam_tlv_header_t {
+ u_int8_t type;
+ u_int8_t length;
+ };
+
+ union {
+ const struct slow_oam_common_header_t *slow_oam_common_header;
+ const struct slow_oam_tlv_header_t *slow_oam_tlv_header;
+ } ptr;
+
+ union {
+ const struct slow_oam_info_t *slow_oam_info;
+ const struct slow_oam_link_event_t *slow_oam_link_event;
+ const struct slow_oam_variablerequest_t *slow_oam_variablerequest;
+ const struct slow_oam_variableresponse_t *slow_oam_variableresponse;
+ const struct slow_oam_loopbackctrl_t *slow_oam_loopbackctrl;
+ } tlv;
- slow_oam_common_header = (struct slow_oam_common_header_t *)tptr;
+ ptr.slow_oam_common_header = (struct slow_oam_common_header_t *)tptr;
+ tptr += sizeof(struct slow_oam_common_header_t);
+ tlen -= sizeof(struct slow_oam_common_header_t);
- printf("Flags [ %s ], Code %s",
+ printf("\n\tCode %s OAM PDU, Flags [%s]",
+ tok2str(slow_oam_code_values, "Unknown (%u)", ptr.slow_oam_common_header->code),
bittok2str(slow_oam_flag_values,
"none",
- EXTRACT_16BITS(&slow_oam_common_header->flags)),
- tok2str(slow_oam_code_values, "Unknown (%u)", slow_oam_common_header->code));
+ EXTRACT_16BITS(&ptr.slow_oam_common_header->flags)));
- switch (slow_oam_common_header->code) {
- /* FIXME no codes yet known - just hexdump for now */
+ switch (ptr.slow_oam_common_header->code) {
case SLOW_OAM_CODE_INFO:
+ while (tlen > 0) {
+ ptr.slow_oam_tlv_header = (const struct slow_oam_tlv_header_t *)tptr;
+ printf("\n\t %s Information Type (%u), length %u",
+ tok2str(slow_oam_info_type_values, "Reserved",
+ ptr.slow_oam_tlv_header->type),
+ ptr.slow_oam_tlv_header->type,
+ ptr.slow_oam_tlv_header->length);
+
+ hexdump = FALSE;
+ switch (ptr.slow_oam_tlv_header->type) {
+ case SLOW_OAM_INFO_TYPE_END_OF_TLV:
+ if (ptr.slow_oam_tlv_header->length != 0) {
+ printf("\n\t ERROR: illegal length - should be 0");
+ }
+ return;
+
+ case SLOW_OAM_INFO_TYPE_LOCAL: /* identical format - fall through */
+ case SLOW_OAM_INFO_TYPE_REMOTE:
+ tlv.slow_oam_info = (const struct slow_oam_info_t *)tptr;
+
+ if (tlv.slow_oam_info->info_length !=
+ sizeof(struct slow_oam_info_t)) {
+ printf("\n\t ERROR: illegal length - should be %lu",
+ (unsigned long) sizeof(struct slow_oam_info_t));
+ return;
+ }
+
+ printf("\n\t OAM-Version %u, Revision %u",
+ tlv.slow_oam_info->oam_version,
+ EXTRACT_16BITS(&tlv.slow_oam_info->revision));
+
+ printf("\n\t State-Parser-Action %s, State-MUX-Action %s",
+ tok2str(slow_oam_info_type_state_parser_values, "Reserved",
+ tlv.slow_oam_info->state & OAM_INFO_TYPE_PARSER_MASK),
+ tok2str(slow_oam_info_type_state_mux_values, "Reserved",
+ tlv.slow_oam_info->state & OAM_INFO_TYPE_MUX_MASK));
+ printf("\n\t OAM-Config Flags [%s], OAM-PDU-Config max-PDU size %u",
+ bittok2str(slow_oam_info_type_oam_config_values, "none",
+ tlv.slow_oam_info->oam_config),
+ EXTRACT_16BITS(&tlv.slow_oam_info->oam_pdu_config) &
+ OAM_INFO_TYPE_PDU_SIZE_MASK);
+ printf("\n\t OUI %s (0x%06x), Vendor-Private 0x%08x",
+ tok2str(oui_values, "Unknown",
+ EXTRACT_24BITS(&tlv.slow_oam_info->oui)),
+ EXTRACT_24BITS(&tlv.slow_oam_info->oui),
+ EXTRACT_32BITS(&tlv.slow_oam_info->vendor_private));
+ break;
+
+ case SLOW_OAM_INFO_TYPE_ORG_SPECIFIC:
+ hexdump = TRUE;
+ break;
+
+ default:
+ hexdump = TRUE;
+ break;
+ }
+
+ /* infinite loop check */
+ if (!ptr.slow_oam_tlv_header->length) {
+ return;
+ }
+
+ /* do we also want to see a hex dump ? */
+ if (vflag > 1 || hexdump==TRUE) {
+ print_unknown_data(tptr,"\n\t ",
+ ptr.slow_oam_tlv_header->length);
+ }
+
+ tlen -= ptr.slow_oam_tlv_header->length;
+ tptr += ptr.slow_oam_tlv_header->length;
+ }
+ break;
+
case SLOW_OAM_CODE_EVENT_NOTIF:
+ while (tlen > 0) {
+ ptr.slow_oam_tlv_header = (const struct slow_oam_tlv_header_t *)tptr;
+ printf("\n\t %s Link Event Type (%u), length %u",
+ tok2str(slow_oam_link_event_values, "Reserved",
+ ptr.slow_oam_tlv_header->type),
+ ptr.slow_oam_tlv_header->type,
+ ptr.slow_oam_tlv_header->length);
+
+ hexdump = FALSE;
+ switch (ptr.slow_oam_tlv_header->type) {
+ case SLOW_OAM_LINK_EVENT_END_OF_TLV:
+ if (ptr.slow_oam_tlv_header->length != 0) {
+ printf("\n\t ERROR: illegal length - should be 0");
+ }
+ return;
+
+ case SLOW_OAM_LINK_EVENT_ERR_SYM_PER: /* identical format - fall through */
+ case SLOW_OAM_LINK_EVENT_ERR_FRM:
+ case SLOW_OAM_LINK_EVENT_ERR_FRM_PER:
+ case SLOW_OAM_LINK_EVENT_ERR_FRM_SUMM:
+ tlv.slow_oam_link_event = (const struct slow_oam_link_event_t *)tptr;
+
+ if (tlv.slow_oam_link_event->event_length !=
+ sizeof(struct slow_oam_link_event_t)) {
+ printf("\n\t ERROR: illegal length - should be %lu",
+ (unsigned long) sizeof(struct slow_oam_link_event_t));
+ return;
+ }
+
+ printf("\n\t Timestamp %u ms, Errored Window %" PRIu64
+ "\n\t Errored Threshold %" PRIu64
+ "\n\t Errors %" PRIu64
+ "\n\t Error Running Total %" PRIu64
+ "\n\t Event Running Total %u",
+ EXTRACT_16BITS(&tlv.slow_oam_link_event->time_stamp)*100,
+ EXTRACT_64BITS(&tlv.slow_oam_link_event->window),
+ EXTRACT_64BITS(&tlv.slow_oam_link_event->threshold),
+ EXTRACT_64BITS(&tlv.slow_oam_link_event->errors),
+ EXTRACT_64BITS(&tlv.slow_oam_link_event->errors_running_total),
+ EXTRACT_32BITS(&tlv.slow_oam_link_event->event_running_total));
+ break;
+
+ case SLOW_OAM_LINK_EVENT_ORG_SPECIFIC:
+ hexdump = TRUE;
+ break;
+
+ default:
+ hexdump = TRUE;
+ break;
+ }
+
+ /* infinite loop check */
+ if (!ptr.slow_oam_tlv_header->length) {
+ return;
+ }
+
+ /* do we also want to see a hex dump ? */
+ if (vflag > 1 || hexdump==TRUE) {
+ print_unknown_data(tptr,"\n\t ",
+ ptr.slow_oam_tlv_header->length);
+ }
+
+ tlen -= ptr.slow_oam_tlv_header->length;
+ tptr += ptr.slow_oam_tlv_header->length;
+ }
+ break;
+
+ case SLOW_OAM_CODE_LOOPBACK_CTRL:
+ tlv.slow_oam_loopbackctrl = (const struct slow_oam_loopbackctrl_t *)tptr;
+ printf("\n\t Command %s (%u)",
+ tok2str(slow_oam_loopbackctrl_cmd_values,
+ "Unknown",
+ tlv.slow_oam_loopbackctrl->command),
+ tlv.slow_oam_loopbackctrl->command);
+ tptr ++;
+ tlen --;
+ break;
+
+ /*
+ * FIXME those are the defined codes that lack a decoder
+ * you are welcome to contribute code ;-)
+ */
case SLOW_OAM_CODE_VAR_REQUEST:
case SLOW_OAM_CODE_VAR_RESPONSE:
- case SLOW_OAM_CODE_LOOPBACK_CTRL:
case SLOW_OAM_CODE_PRIVATE:
default:
if (vflag <= 1) {
}
break;
}
- /* do we want to see an additional hexdump ? */
- if (vflag > 1) {
- print_unknown_data(tptr,"\n\t ", tlen);
- }
-
return;
}