* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
- * support for the IEEE Link Discovery Protocol as per 802.1ab
- *
*/
-#ifndef lint
-static const char rcsid[] _U_ =
-"@(#) $Header: /tcpdump/master/tcpdump/print-lldp.c,v 1.4 2007-08-13 12:55:17 hannes Exp $";
-#endif
+/* \summary: IEEE 802.1ab Link Layer Discovery Protocol (LLDP) printer */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "interface.h"
+#include "netdissect.h"
#include "extract.h"
#include "addrtoname.h"
#include "af.h"
#include "oui.h"
-#define LLDP_EXTRACT_TYPE(x) (((x)&0xfe00)>>9)
-#define LLDP_EXTRACT_LEN(x) ((x)&0x01ff)
+#define LLDP_EXTRACT_TYPE(x) (((x)&0xfe00)>>9)
+#define LLDP_EXTRACT_LEN(x) ((x)&0x01ff)
/*
* TLV type codes
{ 0, NULL}
};
-#define LLDP_8023_SUTBYPE_1 1
-#define LLDP_8023_SUTBYPE_2 2
-#define LLDP_8023_SUTBYPE_3 3
-#define LLDP_8023_SUTBYPE_4 4
+#define LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID 1
+#define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID 2
+#define LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME 3
+#define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY 4
+#define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION 8
+#define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION 9
+#define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION 10
+#define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION 11
+#define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY 12
+#define LLDP_PRIVATE_8021_SUBTYPE_EVB 13
+#define LLDP_PRIVATE_8021_SUBTYPE_CDCP 14
+
+static const struct tok lldp_8021_subtype_values[] = {
+ { LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID, "Port VLAN Id"},
+ { LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID, "Port and Protocol VLAN ID"},
+ { LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME, "VLAN name"},
+ { LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY, "Protocol Identity"},
+ { LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION, "Congestion Notification"},
+ { LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION, "ETS Configuration"},
+ { LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION, "ETS Recommendation"},
+ { LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION, "Priority Flow Control Configuration"},
+ { LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY, "Application Priority"},
+ { LLDP_PRIVATE_8021_SUBTYPE_EVB, "EVB"},
+ { LLDP_PRIVATE_8021_SUBTYPE_CDCP,"CDCP"},
+ { 0, NULL}
+};
+
+#define LLDP_8021_PORT_PROTOCOL_VLAN_SUPPORT (1 << 1)
+#define LLDP_8021_PORT_PROTOCOL_VLAN_STATUS (1 << 2)
+
+static const struct tok lldp_8021_port_protocol_id_values[] = {
+ { LLDP_8021_PORT_PROTOCOL_VLAN_SUPPORT, "supported"},
+ { LLDP_8021_PORT_PROTOCOL_VLAN_STATUS, "enabled"},
+ { 0, NULL}
+};
+
+#define LLDP_PRIVATE_8023_SUBTYPE_MACPHY 1
+#define LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER 2
+#define LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR 3
+#define LLDP_PRIVATE_8023_SUBTYPE_MTU 4
static const struct tok lldp_8023_subtype_values[] = {
- { LLDP_8023_SUTBYPE_1, "MAC/PHY configuration/status"},
- { LLDP_8023_SUTBYPE_2, "Power via MDI"},
- { LLDP_8023_SUTBYPE_3, "Link aggregation"},
- { LLDP_8023_SUTBYPE_4, "Max frame size"},
+ { LLDP_PRIVATE_8023_SUBTYPE_MACPHY, "MAC/PHY configuration/status"},
+ { LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER, "Power via MDI"},
+ { LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR, "Link aggregation"},
+ { LLDP_PRIVATE_8023_SUBTYPE_MTU, "Max frame size"},
+ { 0, NULL}
+};
+
+#define LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES 1
+#define LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY 2
+#define LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID 3
+#define LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI 4
+#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV 5
+#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV 6
+#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV 7
+#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER 8
+#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME 9
+#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME 10
+#define LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID 11
+
+static const struct tok lldp_tia_subtype_values[] = {
+ { LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES, "LLDP-MED Capabilities" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY, "Network policy" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID, "Location identification" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI, "Extended power-via-MDI" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV, "Inventory - hardware revision" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV, "Inventory - firmware revision" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV, "Inventory - software revision" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER, "Inventory - serial number" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME, "Inventory - manufacturer name" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME, "Inventory - model name" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID, "Inventory - asset ID" },
+ { 0, NULL}
+};
+
+#define LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_METERS 1
+#define LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_FLOORS 2
+
+static const struct tok lldp_tia_location_altitude_type_values[] = {
+ { LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_METERS, "meters"},
+ { LLDP_PRIVATE_TIA_LOCATION_ALTITUDE_FLOORS, "floors"},
+ { 0, NULL}
+};
+
+/* ANSI/TIA-1057 - Annex B */
+#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A1 1
+#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A2 2
+#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A3 3
+#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A4 4
+#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A5 5
+#define LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A6 6
+
+static const struct tok lldp_tia_location_lci_catype_values[] = {
+ { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A1, "national subdivisions (state,canton,region,province,prefecture)"},
+ { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A2, "county, parish, gun, district"},
+ { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A3, "city, township, shi"},
+ { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A4, "city division, borough, city district, ward chou"},
+ { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A5, "neighborhood, block"},
+ { LLDP_PRIVATE_TIA_LOCATION_LCI_CATYPE_A6, "street"},
+ { 0, NULL}
+};
+
+static const struct tok lldp_tia_location_lci_what_values[] = {
+ { 0, "location of DHCP server"},
+ { 1, "location of the network element believed to be closest to the client"},
+ { 2, "location of the client"},
{ 0, NULL}
};
{ 0, NULL}
};
+#define LLDP_TIA_CAPABILITY_MED (1 << 0)
+#define LLDP_TIA_CAPABILITY_NETWORK_POLICY (1 << 1)
+#define LLDP_TIA_CAPABILITY_LOCATION_IDENTIFICATION (1 << 2)
+#define LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PSE (1 << 3)
+#define LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PD (1 << 4)
+#define LLDP_TIA_CAPABILITY_INVENTORY (1 << 5)
+
+static const struct tok lldp_tia_capabilities_values[] = {
+ { LLDP_TIA_CAPABILITY_MED, "LLDP-MED capabilities"},
+ { LLDP_TIA_CAPABILITY_NETWORK_POLICY, "network policy"},
+ { LLDP_TIA_CAPABILITY_LOCATION_IDENTIFICATION, "location identification"},
+ { LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PSE, "extended power via MDI-PSE"},
+ { LLDP_TIA_CAPABILITY_EXTENDED_POWER_MDI_PD, "extended power via MDI-PD"},
+ { LLDP_TIA_CAPABILITY_INVENTORY, "Inventory"},
+ { 0, NULL}
+};
+
+#define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_1 1
+#define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_2 2
+#define LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_3 3
+#define LLDP_TIA_DEVICE_TYPE_NETWORK_CONNECTIVITY 4
+
+static const struct tok lldp_tia_device_type_values[] = {
+ { LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_1, "endpoint class 1"},
+ { LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_2, "endpoint class 2"},
+ { LLDP_TIA_DEVICE_TYPE_ENDPOINT_CLASS_3, "endpoint class 3"},
+ { LLDP_TIA_DEVICE_TYPE_NETWORK_CONNECTIVITY, "network connectivity"},
+ { 0, NULL}
+};
+
+#define LLDP_TIA_APPLICATION_TYPE_VOICE 1
+#define LLDP_TIA_APPLICATION_TYPE_VOICE_SIGNALING 2
+#define LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE 3
+#define LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE_SIGNALING 4
+#define LLDP_TIA_APPLICATION_TYPE_SOFTPHONE_VOICE 5
+#define LLDP_TIA_APPLICATION_TYPE_VIDEO_CONFERENCING 6
+#define LLDP_TIA_APPLICATION_TYPE_STREAMING_VIDEO 7
+#define LLDP_TIA_APPLICATION_TYPE_VIDEO_SIGNALING 8
+
+static const struct tok lldp_tia_application_type_values[] = {
+ { LLDP_TIA_APPLICATION_TYPE_VOICE, "voice"},
+ { LLDP_TIA_APPLICATION_TYPE_VOICE_SIGNALING, "voice signaling"},
+ { LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE, "guest voice"},
+ { LLDP_TIA_APPLICATION_TYPE_GUEST_VOICE_SIGNALING, "guest voice signaling"},
+ { LLDP_TIA_APPLICATION_TYPE_SOFTPHONE_VOICE, "softphone voice"},
+ { LLDP_TIA_APPLICATION_TYPE_VIDEO_CONFERENCING, "video conferencing"},
+ { LLDP_TIA_APPLICATION_TYPE_STREAMING_VIDEO, "streaming video"},
+ { LLDP_TIA_APPLICATION_TYPE_VIDEO_SIGNALING, "video signaling"},
+ { 0, NULL}
+};
+
+#define LLDP_TIA_NETWORK_POLICY_X_BIT (1 << 5)
+#define LLDP_TIA_NETWORK_POLICY_T_BIT (1 << 6)
+#define LLDP_TIA_NETWORK_POLICY_U_BIT (1 << 7)
+
+static const struct tok lldp_tia_network_policy_bits_values[] = {
+ { LLDP_TIA_NETWORK_POLICY_U_BIT, "Unknown"},
+ { LLDP_TIA_NETWORK_POLICY_T_BIT, "Tagged"},
+ { LLDP_TIA_NETWORK_POLICY_X_BIT, "reserved"},
+ { 0, NULL}
+};
+
+#define LLDP_EXTRACT_NETWORK_POLICY_VLAN(x) (((x)&0x1ffe)>>1)
+#define LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(x) (((x)&0x01ff)>>6)
+#define LLDP_EXTRACT_NETWORK_POLICY_DSCP(x) ((x)&0x003f)
+
+#define LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED 1
+#define LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS 2
+#define LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN 3
+
+static const struct tok lldp_tia_location_data_format_values[] = {
+ { LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED, "coordinate-based LCI"},
+ { LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS, "civic address LCI"},
+ { LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN, "ECS ELIN"},
+ { 0, NULL}
+};
+
+#define LLDP_TIA_LOCATION_DATUM_WGS_84 1
+#define LLDP_TIA_LOCATION_DATUM_NAD_83_NAVD_88 2
+#define LLDP_TIA_LOCATION_DATUM_NAD_83_MLLW 3
+
+static const struct tok lldp_tia_location_datum_type_values[] = {
+ { LLDP_TIA_LOCATION_DATUM_WGS_84, "World Geodesic System 1984"},
+ { LLDP_TIA_LOCATION_DATUM_NAD_83_NAVD_88, "North American Datum 1983 (NAVD88)"},
+ { LLDP_TIA_LOCATION_DATUM_NAD_83_MLLW, "North American Datum 1983 (MLLW)"},
+ { 0, NULL}
+};
+
+#define LLDP_TIA_POWER_SOURCE_PSE 1
+#define LLDP_TIA_POWER_SOURCE_LOCAL 2
+#define LLDP_TIA_POWER_SOURCE_PSE_AND_LOCAL 3
+
+static const struct tok lldp_tia_power_source_values[] = {
+ { LLDP_TIA_POWER_SOURCE_PSE, "PSE - primary power source"},
+ { LLDP_TIA_POWER_SOURCE_LOCAL, "local - backup power source"},
+ { LLDP_TIA_POWER_SOURCE_PSE_AND_LOCAL, "PSE+local - reserved"},
+ { 0, NULL}
+};
+
+#define LLDP_TIA_POWER_PRIORITY_CRITICAL 1
+#define LLDP_TIA_POWER_PRIORITY_HIGH 2
+#define LLDP_TIA_POWER_PRIORITY_LOW 3
+
+static const struct tok lldp_tia_power_priority_values[] = {
+ { LLDP_TIA_POWER_PRIORITY_CRITICAL, "critical"},
+ { LLDP_TIA_POWER_PRIORITY_HIGH, "high"},
+ { LLDP_TIA_POWER_PRIORITY_LOW, "low"},
+ { 0, NULL}
+};
+
+#define LLDP_TIA_POWER_VAL_MAX 1024
+
+static const struct tok lldp_tia_inventory_values[] = {
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV, "Hardware revision" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV, "Firmware revision" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV, "Software revision" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER, "Serial number" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME, "Manufacturer name" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME, "Model name" },
+ { LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID, "Asset ID" },
+ { 0, NULL}
+};
+
/*
* From RFC 3636 - ifMauAutoNegCapAdvertisedBits
- */
-#define LLDP_MAU_PMD_OTHER (1 << 0)
-#define LLDP_MAU_PMD_10BASE_T (1 << 1)
-#define LLDP_MAU_PMD_10BASE_T_FD (1 << 2)
-#define LLDP_MAU_PMD_100BASE_T4 (1 << 3)
-#define LLDP_MAU_PMD_100BASE_TX (1 << 4)
-#define LLDP_MAU_PMD_100BASE_TX_FD (1 << 5)
-#define LLDP_MAU_PMD_100BASE_T2 (1 << 6)
-#define LLDP_MAU_PMD_100BASE_T2_FD (1 << 7)
-#define LLDP_MAU_PMD_FDXPAUSE (1 << 8)
-#define LLDP_MAU_PMD_FDXAPAUSE (1 << 9)
-#define LLDP_MAU_PMD_FDXSPAUSE (1 << 10)
-#define LLDP_MAU_PMD_FDXBPAUSE (1 << 11)
-#define LLDP_MAU_PMD_1000BASE_X (1 << 12)
-#define LLDP_MAU_PMD_1000BASE_X_FD (1 << 13)
-#define LLDP_MAU_PMD_1000BASE_T (1 << 14)
-#define LLDP_MAU_PMD_1000BASE_T_FD (1 << 15)
+ */
+#define LLDP_MAU_PMD_OTHER (1 << 15)
+#define LLDP_MAU_PMD_10BASE_T (1 << 14)
+#define LLDP_MAU_PMD_10BASE_T_FD (1 << 13)
+#define LLDP_MAU_PMD_100BASE_T4 (1 << 12)
+#define LLDP_MAU_PMD_100BASE_TX (1 << 11)
+#define LLDP_MAU_PMD_100BASE_TX_FD (1 << 10)
+#define LLDP_MAU_PMD_100BASE_T2 (1 << 9)
+#define LLDP_MAU_PMD_100BASE_T2_FD (1 << 8)
+#define LLDP_MAU_PMD_FDXPAUSE (1 << 7)
+#define LLDP_MAU_PMD_FDXAPAUSE (1 << 6)
+#define LLDP_MAU_PMD_FDXSPAUSE (1 << 5)
+#define LLDP_MAU_PMD_FDXBPAUSE (1 << 4)
+#define LLDP_MAU_PMD_1000BASE_X (1 << 3)
+#define LLDP_MAU_PMD_1000BASE_X_FD (1 << 2)
+#define LLDP_MAU_PMD_1000BASE_T (1 << 1)
+#define LLDP_MAU_PMD_1000BASE_T_FD (1 << 0)
static const struct tok lldp_pmd_capability_values[] = {
{ LLDP_MAU_PMD_10BASE_T, "10BASE-T hdx"},
#define LLDP_AGGREGATION_STATUS (1 << 1)
static const struct tok lldp_aggregation_values[] = {
- { LLDP_AGGREGATION_CAPABILTIY, "supported"},
- { LLDP_AGGREGATION_STATUS, "enabled"},
+ { LLDP_AGGREGATION_CAPABILTIY, "supported"},
+ { LLDP_AGGREGATION_STATUS, "enabled"},
{ 0, NULL}
};
+/*
+ * DCBX protocol subtypes.
+ */
+#define LLDP_DCBX_SUBTYPE_1 1
+#define LLDP_DCBX_SUBTYPE_2 2
+
+static const struct tok lldp_dcbx_subtype_values[] = {
+ { LLDP_DCBX_SUBTYPE_1, "DCB Capability Exchange Protocol Rev 1" },
+ { LLDP_DCBX_SUBTYPE_2, "DCB Capability Exchange Protocol Rev 1.01" },
+ { 0, NULL}
+};
+
+#define LLDP_DCBX_CONTROL_TLV 1
+#define LLDP_DCBX_PRIORITY_GROUPS_TLV 2
+#define LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV 3
+#define LLDP_DCBX_APPLICATION_TLV 4
+
/*
* Interface numbering subtypes.
*/
#define LLDP_INTF_NUM_LEN 5
+#define LLDP_EVB_MODE_NOT_SUPPORTED 0
+#define LLDP_EVB_MODE_EVB_BRIDGE 1
+#define LLDP_EVB_MODE_EVB_STATION 2
+#define LLDP_EVB_MODE_RESERVED 3
-static char *
-lldp_network_addr_print(const u_char *tptr) {
+static const struct tok lldp_evb_mode_values[]={
+ { LLDP_EVB_MODE_NOT_SUPPORTED, "Not Supported"},
+ { LLDP_EVB_MODE_EVB_BRIDGE, "EVB Bridge"},
+ { LLDP_EVB_MODE_EVB_STATION, "EVB Staion"},
+ { LLDP_EVB_MODE_RESERVED, "Reserved for future Standardization"},
+};
+
+#define NO_OF_BITS 8
+#define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH 6
+#define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH 25
+#define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH 25
+#define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH 6
+#define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH 5
+#define LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH 9
+#define LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH 8
+
+#define LLDP_IANA_SUBTYPE_MUDURL 1
+
+static const struct tok lldp_iana_subtype_values[] = {
+ { LLDP_IANA_SUBTYPE_MUDURL, "MUD-URL" },
+ { 0, NULL }
+};
+
+
+static void
+print_ets_priority_assignment_table(netdissect_options *ndo,
+ const u_char *ptr)
+{
+ ND_PRINT((ndo, "\n\t Priority Assignment Table"));
+ ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ ptr[0]>>4,ptr[0]&0x0f,ptr[1]>>4,ptr[1]&0x0f,ptr[2]>>4,
+ ptr[2] & 0x0f, ptr[3] >> 4, ptr[3] & 0x0f));
+}
+
+static void
+print_tc_bandwidth_table(netdissect_options *ndo,
+ const u_char *ptr)
+{
+ ND_PRINT((ndo, "\n\t TC Bandwidth Table"));
+ ND_PRINT((ndo, "\n\t TC%% : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7]));
+}
+
+static void
+print_tsa_assignment_table(netdissect_options *ndo,
+ const u_char *ptr)
+{
+ ND_PRINT((ndo, "\n\t TSA Assignment Table"));
+ ND_PRINT((ndo, "\n\t Traffic Class: 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7]));
+}
+
+/*
+ * Print IEEE 802.1 private extensions. (802.1AB annex E)
+ */
+static int
+lldp_private_8021_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
+{
+ int subtype, hexdump = FALSE;
+ u_int sublen;
+ u_int tval;
+ uint8_t i;
+
+ if (tlv_len < 4) {
+ return hexdump;
+ }
+ subtype = *(tptr+3);
+
+ ND_PRINT((ndo, "\n\t %s Subtype (%u)",
+ tok2str(lldp_8021_subtype_values, "unknown", subtype),
+ subtype));
+
+ switch (subtype) {
+ case LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID:
+ if (tlv_len < 6) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t port vlan id (PVID): %u",
+ EXTRACT_16BITS(tptr + 4)));
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID:
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t port and protocol vlan id (PPVID): %u, flags [%s] (0x%02x)",
+ EXTRACT_16BITS(tptr+5),
+ bittok2str(lldp_8021_port_protocol_id_values, "none", *(tptr+4)),
+ *(tptr + 4)));
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME:
+ if (tlv_len < 6) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t vlan id (VID): %u", EXTRACT_16BITS(tptr + 4)));
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ sublen = *(tptr+6);
+ if (tlv_len < 7+sublen) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t vlan name: "));
+ safeputs(ndo, tptr + 7, sublen);
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY:
+ if (tlv_len < 5) {
+ return hexdump;
+ }
+ sublen = *(tptr+4);
+ if (tlv_len < 5+sublen) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t protocol identity: "));
+ safeputs(ndo, tptr + 5, sublen);
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH){
+ return hexdump;
+ }
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t Pre-Priority CNPV Indicator"));
+ ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : "));
+ for(i=0;i<NO_OF_BITS;i++)
+ ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01));
+ tval=*(tptr+5);
+ ND_PRINT((ndo, "\n\t Pre-Priority Ready Indicator"));
+ ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : "));
+ for(i=0;i<NO_OF_BITS;i++)
+ ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01));
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH) {
+ return hexdump;
+ }
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t Willing:%d, CBS:%d, RES:%d, Max TCs:%d",
+ tval >> 7, (tval >> 6) & 0x02, (tval >> 3) & 0x07, tval & 0x07));
+
+ /*Print Priority Assignment Table*/
+ print_ets_priority_assignment_table(ndo, tptr + 5);
+
+ /*Print TC Bandwidth Table*/
+ print_tc_bandwidth_table(ndo, tptr + 9);
+
+ /* Print TSA Assignment Table */
+ print_tsa_assignment_table(ndo, tptr + 17);
+
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t RES: %d", *(tptr + 4)));
+ /*Print Priority Assignment Table */
+ print_ets_priority_assignment_table(ndo, tptr + 5);
+ /*Print TC Bandwidth Table */
+ print_tc_bandwidth_table(ndo, tptr + 9);
+ /* Print TSA Assignment Table */
+ print_tsa_assignment_table(ndo, tptr + 17);
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH) {
+ return hexdump;
+ }
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t Willing: %d, MBC: %d, RES: %d, PFC cap:%d ",
+ tval >> 7, (tval >> 6) & 0x01, (tval >> 4) & 0x03, (tval & 0x0f)));
+ ND_PRINT((ndo, "\n\t PFC Enable"));
+ tval=*(tptr+5);
+ ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : "));
+ for(i=0;i<NO_OF_BITS;i++)
+ ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01));
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t RES: %d", *(tptr + 4)));
+ if(tlv_len<=LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH){
+ return hexdump;
+ }
+ /* Length of Application Priority Table */
+ sublen=tlv_len-5;
+ if(sublen%3!=0){
+ return hexdump;
+ }
+ i=0;
+ ND_PRINT((ndo, "\n\t Application Priority Table"));
+ while(i<sublen) {
+ tval=*(tptr+i+5);
+ ND_PRINT((ndo, "\n\t Priority: %d, RES: %d, Sel: %d",
+ tval >> 5, (tval >> 3) & 0x03, (tval & 0x07)));
+ ND_PRINT((ndo, "Protocol ID: %d", EXTRACT_16BITS(tptr + i + 5)));
+ i=i+3;
+ }
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_EVB:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH){
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t EVB Bridge Status"));
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t RES: %d, BGID: %d, RRCAP: %d, RRCTR: %d",
+ tval >> 3, (tval >> 2) & 0x01, (tval >> 1) & 0x01, tval & 0x01));
+ ND_PRINT((ndo, "\n\t EVB Station Status"));
+ tval=*(tptr+5);
+ ND_PRINT((ndo, "\n\t RES: %d, SGID: %d, RRREQ: %d,RRSTAT: %d",
+ tval >> 4, (tval >> 3) & 0x01, (tval >> 2) & 0x01, tval & 0x03));
+ tval=*(tptr+6);
+ ND_PRINT((ndo, "\n\t R: %d, RTE: %d, ",tval >> 5, tval & 0x1f));
+ tval=*(tptr+7);
+ ND_PRINT((ndo, "EVB Mode: %s [%d]",
+ tok2str(lldp_evb_mode_values, "unknown", tval >> 6), tval >> 6));
+ ND_PRINT((ndo, "\n\t ROL: %d, RWD: %d, ", (tval >> 5) & 0x01, tval & 0x1f));
+ tval=*(tptr+8);
+ ND_PRINT((ndo, "RES: %d, ROL: %d, RKA: %d", tval >> 6, (tval >> 5) & 0x01, tval & 0x1f));
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_CDCP:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH){
+ return hexdump;
+ }
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t Role: %d, RES: %d, Scomp: %d ",
+ tval >> 7, (tval >> 4) & 0x07, (tval >> 3) & 0x01));
+ ND_PRINT((ndo, "ChnCap: %d", EXTRACT_16BITS(tptr + 6) & 0x0fff));
+ sublen=tlv_len-8;
+ if(sublen%3!=0) {
+ return hexdump;
+ }
+ i=0;
+ while(i<sublen) {
+ tval=EXTRACT_24BITS(tptr+i+8);
+ ND_PRINT((ndo, "\n\t SCID: %d, SVID: %d",
+ tval >> 12, tval & 0x000fff));
+ i=i+3;
+ }
+ break;
+
+ default:
+ hexdump = TRUE;
+ break;
+ }
+
+ return hexdump;
+}
+
+/*
+ * Print IEEE 802.3 private extensions. (802.3bc)
+ */
+static int
+lldp_private_8023_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
+{
+ int subtype, hexdump = FALSE;
+
+ if (tlv_len < 4) {
+ return hexdump;
+ }
+ subtype = *(tptr+3);
+
+ ND_PRINT((ndo, "\n\t %s Subtype (%u)",
+ tok2str(lldp_8023_subtype_values, "unknown", subtype),
+ subtype));
+
+ switch (subtype) {
+ case LLDP_PRIVATE_8023_SUBTYPE_MACPHY:
+ if (tlv_len < 9) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t autonegotiation [%s] (0x%02x)",
+ bittok2str(lldp_8023_autonegotiation_values, "none", *(tptr+4)),
+ *(tptr + 4)));
+ ND_PRINT((ndo, "\n\t PMD autoneg capability [%s] (0x%04x)",
+ bittok2str(lldp_pmd_capability_values,"unknown", EXTRACT_16BITS(tptr+5)),
+ EXTRACT_16BITS(tptr + 5)));
+ ND_PRINT((ndo, "\n\t MAU type %s (0x%04x)",
+ tok2str(lldp_mau_types_values, "unknown", EXTRACT_16BITS(tptr+7)),
+ EXTRACT_16BITS(tptr + 7)));
+ break;
+
+ case LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER:
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t MDI power support [%s], power pair %s, power class %s",
+ bittok2str(lldp_mdi_values, "none", *(tptr+4)),
+ tok2str(lldp_mdi_power_pairs_values, "unknown", *(tptr+5)),
+ tok2str(lldp_mdi_power_class_values, "unknown", *(tptr + 6))));
+ break;
+
+ case LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR:
+ if (tlv_len < 9) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t aggregation status [%s], aggregation port ID %u",
+ bittok2str(lldp_aggregation_values, "none", *(tptr+4)),
+ EXTRACT_32BITS(tptr + 5)));
+ break;
+
+ case LLDP_PRIVATE_8023_SUBTYPE_MTU:
+ ND_PRINT((ndo, "\n\t MTU size %u", EXTRACT_16BITS(tptr + 4)));
+ break;
+
+ default:
+ hexdump = TRUE;
+ break;
+ }
+
+ return hexdump;
+}
+
+/*
+ * Extract 34bits of latitude/longitude coordinates.
+ */
+static uint64_t
+lldp_extract_latlon(const u_char *tptr)
+{
+ uint64_t latlon;
+
+ latlon = *tptr & 0x3;
+ latlon = (latlon << 32) | EXTRACT_32BITS(tptr+1);
+
+ return latlon;
+}
+
+/* objects defined in IANA subtype 00 00 5e
+ * (right now there is only one)
+ */
+
+
+static int
+lldp_private_iana_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
+{
+ int subtype, hexdump = FALSE;
+
+ if (tlv_len < 8) {
+ return hexdump;
+ }
+ subtype = *(tptr+3);
+
+ ND_PRINT((ndo, "\n\t %s Subtype (%u)",
+ tok2str(lldp_iana_subtype_values, "unknown", subtype),
+ subtype));
+
+ switch (subtype) {
+ case LLDP_IANA_SUBTYPE_MUDURL:
+ ND_PRINT((ndo, "\n\t MUD-URL="));
+ (void)fn_printn(ndo, tptr+4, tlv_len-4, NULL);
+ break;
+ default:
+ hexdump=TRUE;
+ }
+
+ return hexdump;
+}
+
+
+
+/*
+ * Print private TIA extensions.
+ */
+static int
+lldp_private_tia_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
+{
+ int subtype, hexdump = FALSE;
+ uint8_t location_format;
+ uint16_t power_val;
+ u_int lci_len;
+ uint8_t ca_type, ca_len;
+
+ if (tlv_len < 4) {
+ return hexdump;
+ }
+ subtype = *(tptr+3);
+
+ ND_PRINT((ndo, "\n\t %s Subtype (%u)",
+ tok2str(lldp_tia_subtype_values, "unknown", subtype),
+ subtype));
+
+ switch (subtype) {
+ case LLDP_PRIVATE_TIA_SUBTYPE_CAPABILITIES:
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t Media capabilities [%s] (0x%04x)",
+ bittok2str(lldp_tia_capabilities_values, "none",
+ EXTRACT_16BITS(tptr + 4)), EXTRACT_16BITS(tptr + 4)));
+ ND_PRINT((ndo, "\n\t Device type [%s] (0x%02x)",
+ tok2str(lldp_tia_device_type_values, "unknown", *(tptr+6)),
+ *(tptr + 6)));
+ break;
+
+ case LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY:
+ if (tlv_len < 8) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t Application type [%s] (0x%02x)",
+ tok2str(lldp_tia_application_type_values, "none", *(tptr+4)),
+ *(tptr + 4)));
+ ND_PRINT((ndo, ", Flags [%s]", bittok2str(
+ lldp_tia_network_policy_bits_values, "none", *(tptr + 5))));
+ ND_PRINT((ndo, "\n\t Vlan id %u",
+ LLDP_EXTRACT_NETWORK_POLICY_VLAN(EXTRACT_16BITS(tptr + 5))));
+ ND_PRINT((ndo, ", L2 priority %u",
+ LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(EXTRACT_16BITS(tptr + 6))));
+ ND_PRINT((ndo, ", DSCP value %u",
+ LLDP_EXTRACT_NETWORK_POLICY_DSCP(EXTRACT_16BITS(tptr + 6))));
+ break;
+
+ case LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID:
+ if (tlv_len < 5) {
+ return hexdump;
+ }
+ location_format = *(tptr+4);
+ ND_PRINT((ndo, "\n\t Location data format %s (0x%02x)",
+ tok2str(lldp_tia_location_data_format_values, "unknown", location_format),
+ location_format));
+
+ switch (location_format) {
+ case LLDP_TIA_LOCATION_DATA_FORMAT_COORDINATE_BASED:
+ if (tlv_len < 21) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t Latitude resolution %u, latitude value %" PRIu64,
+ (*(tptr + 5) >> 2), lldp_extract_latlon(tptr + 5)));
+ ND_PRINT((ndo, "\n\t Longitude resolution %u, longitude value %" PRIu64,
+ (*(tptr + 10) >> 2), lldp_extract_latlon(tptr + 10)));
+ ND_PRINT((ndo, "\n\t Altitude type %s (%u)",
+ tok2str(lldp_tia_location_altitude_type_values, "unknown",(*(tptr+15)>>4)),
+ (*(tptr + 15) >> 4)));
+ ND_PRINT((ndo, "\n\t Altitude resolution %u, altitude value 0x%x",
+ (EXTRACT_16BITS(tptr+15)>>6)&0x3f,
+ ((EXTRACT_32BITS(tptr + 16) & 0x3fffffff))));
+ ND_PRINT((ndo, "\n\t Datum %s (0x%02x)",
+ tok2str(lldp_tia_location_datum_type_values, "unknown", *(tptr+20)),
+ *(tptr + 20)));
+ break;
+
+ case LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS:
+ if (tlv_len < 6) {
+ return hexdump;
+ }
+ lci_len = *(tptr+5);
+ if (lci_len < 3) {
+ return hexdump;
+ }
+ if (tlv_len < 7+lci_len) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t LCI length %u, LCI what %s (0x%02x), Country-code ",
+ lci_len,
+ tok2str(lldp_tia_location_lci_what_values, "unknown", *(tptr+6)),
+ *(tptr + 6)));
+
+ /* Country code */
+ safeputs(ndo, tptr + 7, 2);
+
+ lci_len = lci_len-3;
+ tptr = tptr + 9;
+
+ /* Decode each civic address element */
+ while (lci_len > 0) {
+ if (lci_len < 2) {
+ return hexdump;
+ }
+ ca_type = *(tptr);
+ ca_len = *(tptr+1);
+
+ tptr += 2;
+ lci_len -= 2;
+
+ ND_PRINT((ndo, "\n\t CA type \'%s\' (%u), length %u: ",
+ tok2str(lldp_tia_location_lci_catype_values, "unknown", ca_type),
+ ca_type, ca_len));
+
+ /* basic sanity check */
+ if ( ca_type == 0 || ca_len == 0) {
+ return hexdump;
+ }
+ if (lci_len < ca_len) {
+ return hexdump;
+ }
+
+ safeputs(ndo, tptr, ca_len);
+ tptr += ca_len;
+ lci_len -= ca_len;
+ }
+ break;
+
+ case LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN:
+ ND_PRINT((ndo, "\n\t ECS ELIN id "));
+ safeputs(ndo, tptr + 5, tlv_len - 5);
+ break;
+
+ default:
+ ND_PRINT((ndo, "\n\t Location ID "));
+ print_unknown_data(ndo, tptr + 5, "\n\t ", tlv_len - 5);
+ }
+ break;
+
+ case LLDP_PRIVATE_TIA_SUBTYPE_EXTENDED_POWER_MDI:
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t Power type [%s]",
+ (*(tptr + 4) & 0xC0 >> 6) ? "PD device" : "PSE device"));
+ ND_PRINT((ndo, ", Power source [%s]",
+ tok2str(lldp_tia_power_source_values, "none", (*(tptr + 4) & 0x30) >> 4)));
+ ND_PRINT((ndo, "\n\t Power priority [%s] (0x%02x)",
+ tok2str(lldp_tia_power_priority_values, "none", *(tptr+4)&0x0f),
+ *(tptr + 4) & 0x0f));
+ power_val = EXTRACT_16BITS(tptr+5);
+ if (power_val < LLDP_TIA_POWER_VAL_MAX) {
+ ND_PRINT((ndo, ", Power %.1f Watts", ((float)power_val) / 10));
+ } else {
+ ND_PRINT((ndo, ", Power %u (Reserved)", power_val));
+ }
+ break;
+
+ case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_HARDWARE_REV:
+ case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_FIRMWARE_REV:
+ case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SOFTWARE_REV:
+ case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_SERIAL_NUMBER:
+ case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME:
+ case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME:
+ case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID:
+ ND_PRINT((ndo, "\n\t %s ",
+ tok2str(lldp_tia_inventory_values, "unknown", subtype)));
+ safeputs(ndo, tptr + 4, tlv_len - 4);
+ break;
+
+ default:
+ hexdump = TRUE;
+ break;
+ }
+
+ return hexdump;
+}
+
+/*
+ * Print DCBX Protocol fields (V 1.01).
+ */
+static int
+lldp_private_dcbx_print(netdissect_options *ndo,
+ const u_char *pptr, u_int len)
+{
+ int subtype, hexdump = FALSE;
+ uint8_t tval;
+ uint16_t tlv;
+ uint32_t i, pgval, uval;
+ u_int tlen, tlv_type, tlv_len;
+ const u_char *tptr, *mptr;
+
+ if (len < 4) {
+ return hexdump;
+ }
+ subtype = *(pptr+3);
+
+ ND_PRINT((ndo, "\n\t %s Subtype (%u)",
+ tok2str(lldp_dcbx_subtype_values, "unknown", subtype),
+ subtype));
+
+ /* by passing old version */
+ if (subtype == LLDP_DCBX_SUBTYPE_1)
+ return TRUE;
+
+ tptr = pptr + 4;
+ tlen = len - 4;
+
+ while (tlen >= sizeof(tlv)) {
+
+ ND_TCHECK2(*tptr, sizeof(tlv));
+
+ tlv = EXTRACT_16BITS(tptr);
+
+ tlv_type = LLDP_EXTRACT_TYPE(tlv);
+ tlv_len = LLDP_EXTRACT_LEN(tlv);
+ hexdump = FALSE;
+
+ tlen -= sizeof(tlv);
+ tptr += sizeof(tlv);
+
+ /* loop check */
+ if (!tlv_type || !tlv_len) {
+ break;
+ }
+
+ ND_TCHECK2(*tptr, tlv_len);
+ if (tlen < tlv_len) {
+ goto trunc;
+ }
+
+ /* decode every tlv */
+ switch (tlv_type) {
+ case LLDP_DCBX_CONTROL_TLV:
+ if (tlv_len < 10) {
+ goto trunc;
+ }
+ ND_PRINT((ndo, "\n\t Control - Protocol Control (type 0x%x, length %d)",
+ LLDP_DCBX_CONTROL_TLV, tlv_len));
+ ND_PRINT((ndo, "\n\t Oper_Version: %d", *tptr));
+ ND_PRINT((ndo, "\n\t Max_Version: %d", *(tptr + 1)));
+ ND_PRINT((ndo, "\n\t Sequence Number: %d", EXTRACT_32BITS(tptr + 2)));
+ ND_PRINT((ndo, "\n\t Acknowledgement Number: %d",
+ EXTRACT_32BITS(tptr + 6)));
+ break;
+ case LLDP_DCBX_PRIORITY_GROUPS_TLV:
+ if (tlv_len < 17) {
+ goto trunc;
+ }
+ ND_PRINT((ndo, "\n\t Feature - Priority Group (type 0x%x, length %d)",
+ LLDP_DCBX_PRIORITY_GROUPS_TLV, tlv_len));
+ ND_PRINT((ndo, "\n\t Oper_Version: %d", *tptr));
+ ND_PRINT((ndo, "\n\t Max_Version: %d", *(tptr + 1)));
+ ND_PRINT((ndo, "\n\t Info block(0x%02X): ", *(tptr + 2)));
+ tval = *(tptr+2);
+ ND_PRINT((ndo, "Enable bit: %d, Willing bit: %d, Error Bit: %d",
+ (tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
+ (tval & 0x20) ? 1 : 0));
+ ND_PRINT((ndo, "\n\t SubType: %d", *(tptr + 3)));
+ ND_PRINT((ndo, "\n\t Priority Allocation"));
+
+ /*
+ * Array of 8 4-bit priority group ID values; we fetch all
+ * 32 bits and extract each nibble.
+ */
+ pgval = EXTRACT_32BITS(tptr+4);
+ for (i = 0; i <= 7; i++) {
+ ND_PRINT((ndo, "\n\t PgId_%d: %d",
+ i, (pgval >> (28 - 4 * i)) & 0xF));
+ }
+ ND_PRINT((ndo, "\n\t Priority Group Allocation"));
+ for (i = 0; i <= 7; i++)
+ ND_PRINT((ndo, "\n\t Pg percentage[%d]: %d", i, *(tptr + 8 + i)));
+ ND_PRINT((ndo, "\n\t NumTCsSupported: %d", *(tptr + 8 + 8)));
+ break;
+ case LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV:
+ if (tlv_len < 6) {
+ goto trunc;
+ }
+ ND_PRINT((ndo, "\n\t Feature - Priority Flow Control"));
+ ND_PRINT((ndo, " (type 0x%x, length %d)",
+ LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV, tlv_len));
+ ND_PRINT((ndo, "\n\t Oper_Version: %d", *tptr));
+ ND_PRINT((ndo, "\n\t Max_Version: %d", *(tptr + 1)));
+ ND_PRINT((ndo, "\n\t Info block(0x%02X): ", *(tptr + 2)));
+ tval = *(tptr+2);
+ ND_PRINT((ndo, "Enable bit: %d, Willing bit: %d, Error Bit: %d",
+ (tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
+ (tval & 0x20) ? 1 : 0));
+ ND_PRINT((ndo, "\n\t SubType: %d", *(tptr + 3)));
+ tval = *(tptr+4);
+ ND_PRINT((ndo, "\n\t PFC Config (0x%02X)", *(tptr + 4)));
+ for (i = 0; i <= 7; i++)
+ ND_PRINT((ndo, "\n\t Priority Bit %d: %s",
+ i, (tval & (1 << i)) ? "Enabled" : "Disabled"));
+ ND_PRINT((ndo, "\n\t NumTCPFCSupported: %d", *(tptr + 5)));
+ break;
+ case LLDP_DCBX_APPLICATION_TLV:
+ if (tlv_len < 4) {
+ goto trunc;
+ }
+ ND_PRINT((ndo, "\n\t Feature - Application (type 0x%x, length %d)",
+ LLDP_DCBX_APPLICATION_TLV, tlv_len));
+ ND_PRINT((ndo, "\n\t Oper_Version: %d", *tptr));
+ ND_PRINT((ndo, "\n\t Max_Version: %d", *(tptr + 1)));
+ ND_PRINT((ndo, "\n\t Info block(0x%02X): ", *(tptr + 2)));
+ tval = *(tptr+2);
+ ND_PRINT((ndo, "Enable bit: %d, Willing bit: %d, Error Bit: %d",
+ (tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
+ (tval & 0x20) ? 1 : 0));
+ ND_PRINT((ndo, "\n\t SubType: %d", *(tptr + 3)));
+ tval = tlv_len - 4;
+ mptr = tptr + 4;
+ while (tval >= 6) {
+ ND_PRINT((ndo, "\n\t Application Value"));
+ ND_PRINT((ndo, "\n\t Application Protocol ID: 0x%04x",
+ EXTRACT_16BITS(mptr)));
+ uval = EXTRACT_24BITS(mptr+2);
+ ND_PRINT((ndo, "\n\t SF (0x%x) Application Protocol ID is %s",
+ (uval >> 22),
+ (uval >> 22) ? "Socket Number" : "L2 EtherType"));
+ ND_PRINT((ndo, "\n\t OUI: 0x%06x", uval & 0x3fffff));
+ ND_PRINT((ndo, "\n\t User Priority Map: 0x%02x", *(mptr + 5)));
+ tval = tval - 6;
+ mptr = mptr + 6;
+ }
+ break;
+ default:
+ hexdump = TRUE;
+ break;
+ }
+
+ /* do we also want to see a hex dump ? */
+ if (ndo->ndo_vflag > 1 || (ndo->ndo_vflag && hexdump)) {
+ print_unknown_data(ndo, tptr, "\n\t ", tlv_len);
+ }
+
+ tlen -= tlv_len;
+ tptr += tlv_len;
+ }
+
+ trunc:
+ return hexdump;
+}
- u_int8_t af;
+static char *
+lldp_network_addr_print(netdissect_options *ndo, const u_char *tptr, u_int len)
+{
+ uint8_t af;
static char buf[BUFSIZE];
- const char * (*pfunc)(const u_char *);
+ const char * (*pfunc)(netdissect_options *, const u_char *);
+ if (len < 1)
+ return NULL;
+ len--;
af = *tptr;
switch (af) {
case AFNUM_INET:
- pfunc = getname;
+ if (len < 4)
+ return NULL;
+ /* This cannot be assigned to ipaddr_string(), which is a macro. */
+ pfunc = getname;
break;
-#ifdef INET6
case AFNUM_INET6:
+ if (len < 16)
+ return NULL;
+ /* This cannot be assigned to ip6addr_string(), which is a macro. */
pfunc = getname6;
break;
-#endif
case AFNUM_802:
+ if (len < 6)
+ return NULL;
pfunc = etheraddr_string;
break;
default:
}
if (!pfunc) {
- snprintf(buf, sizeof(buf), "AFI %s (%u) XXX",
+ snprintf(buf, sizeof(buf), "AFI %s (%u), no AF printer !",
tok2str(af_values, "Unknown", af), af);
} else {
snprintf(buf, sizeof(buf), "AFI %s (%u): %s",
- tok2str(af_values, "Unknown", af), af, (*pfunc)(tptr+1));
+ tok2str(af_values, "Unknown", af), af, (*pfunc)(ndo, tptr+1));
}
return buf;
}
static int
-lldp_mgmt_addr_tlv_print(const u_char *pptr, u_int len) {
-
- u_int8_t mgmt_addr_len, intf_num_subtype, oid_len;
+lldp_mgmt_addr_tlv_print(netdissect_options *ndo,
+ const u_char *pptr, u_int len)
+{
+ uint8_t mgmt_addr_len, intf_num_subtype, oid_len;
const u_char *tptr;
u_int tlen;
-
+ char *mgmt_addr;
+
tlen = len;
tptr = pptr;
+ if (tlen < 1) {
+ return 0;
+ }
mgmt_addr_len = *tptr++;
tlen--;
return 0;
}
- printf("\n\t Management Address length %u, %s",
- mgmt_addr_len,
- lldp_network_addr_print(tptr));
+ mgmt_addr = lldp_network_addr_print(ndo, tptr, mgmt_addr_len);
+ if (mgmt_addr == NULL) {
+ return 0;
+ }
+ ND_PRINT((ndo, "\n\t Management Address length %u, %s",
+ mgmt_addr_len, mgmt_addr));
tptr += mgmt_addr_len;
tlen -= mgmt_addr_len;
}
intf_num_subtype = *tptr;
- printf("\n\t %s Interface Numbering (%u): %u",
+ ND_PRINT((ndo, "\n\t %s Interface Numbering (%u): %u",
tok2str(lldp_intf_numb_subtype_values, "Unknown", intf_num_subtype),
intf_num_subtype,
- EXTRACT_32BITS(tptr+1));
+ EXTRACT_32BITS(tptr + 1)));
tptr += LLDP_INTF_NUM_LEN;
tlen -= LLDP_INTF_NUM_LEN;
if (tlen) {
oid_len = *tptr;
+ if (tlen < oid_len) {
+ return 0;
+ }
if (oid_len) {
- printf("\n\t OID length %u", oid_len);
- safeputs((const char *)tptr+1, oid_len);
+ ND_PRINT((ndo, "\n\t OID length %u", oid_len));
+ safeputs(ndo, tptr + 1, oid_len);
}
}
return 1;
-}
+}
void
-lldp_print(register const u_char *pptr, register u_int len) {
-
- u_int8_t subtype;
- u_int16_t tlv, cap, ena_cap;
+lldp_print(netdissect_options *ndo,
+ register const u_char *pptr, register u_int len)
+{
+ uint8_t subtype;
+ uint16_t tlv, cap, ena_cap;
u_int oui, tlen, hexdump, tlv_type, tlv_len;
const u_char *tptr;
-
+ char *network_addr;
+
tptr = pptr;
tlen = len;
- if (vflag) {
- printf("LLDP, length %u", len);
- }
+ ND_PRINT((ndo, "LLDP, length %u", len));
while (tlen >= sizeof(tlv)) {
- TCHECK2(*tptr, sizeof(tlv));
+ ND_TCHECK2(*tptr, sizeof(tlv));
tlv = EXTRACT_16BITS(tptr);
tlen -= sizeof(tlv);
tptr += sizeof(tlv);
- if (vflag) {
- printf("\n\t%s TLV (%u), length %u",
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, "\n\t%s TLV (%u), length %u",
tok2str(lldp_tlv_values, "Unknown", tlv_type),
- tlv_type, tlv_len);
+ tlv_type, tlv_len));
}
/* infinite loop check */
break;
}
- TCHECK2(*tptr, tlv_len);
+ ND_TCHECK2(*tptr, tlv_len);
+ if (tlen < tlv_len) {
+ goto trunc;
+ }
switch (tlv_type) {
- case LLDP_TTL_TLV:
- if (vflag) {
- printf(": TTL %us", EXTRACT_16BITS(tptr));
- }
- break;
-
- case LLDP_SYSTEM_NAME_TLV:
-
- /*
- * The system name is also print in non-verbose mode
- * similar to the CDP printer.
- */
- if (vflag) {
- printf(": ");
- safeputs((const char *)tptr, tlv_len);
- } else {
- printf("LLDP, name ");
- safeputs((const char *)tptr, tlv_len);
- printf(", length %u", len);
- }
- break;
-
- case LLDP_PORT_DESCR_TLV:
- if (vflag) {
- printf(": ");
- safeputs((const char *)tptr, tlv_len);
- }
- break;
-
- case LLDP_SYSTEM_DESCR_TLV:
- if (vflag) {
- printf("\n\t ");
- safeputs((const char *)tptr, tlv_len);
- }
- break;
-
case LLDP_CHASSIS_ID_TLV:
- if (vflag) {
+ if (ndo->ndo_vflag) {
+ if (tlv_len < 2) {
+ goto trunc;
+ }
subtype = *tptr;
- printf("\n\t Subtype %s (%u): ",
+ ND_PRINT((ndo, "\n\t Subtype %s (%u): ",
tok2str(lldp_chassis_subtype_values, "Unknown", subtype),
- subtype);
+ subtype));
switch (subtype) {
case LLDP_CHASSIS_MAC_ADDR_SUBTYPE:
- printf("%s", etheraddr_string(tptr+1));
+ if (tlv_len < 1+6) {
+ goto trunc;
+ }
+ ND_PRINT((ndo, "%s", etheraddr_string(ndo, tptr + 1)));
break;
case LLDP_CHASSIS_INTF_NAME_SUBTYPE: /* fall through */
case LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE:
case LLDP_CHASSIS_INTF_ALIAS_SUBTYPE:
case LLDP_CHASSIS_PORT_COMP_SUBTYPE:
- safeputs((const char *)tptr+1, tlv_len-1);
+ safeputs(ndo, tptr + 1, tlv_len - 1);
break;
case LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE:
- printf("%s", lldp_network_addr_print(tptr+1));
+ network_addr = lldp_network_addr_print(ndo, tptr+1, tlv_len-1);
+ if (network_addr == NULL) {
+ goto trunc;
+ }
+ ND_PRINT((ndo, "%s", network_addr));
break;
default:
break;
case LLDP_PORT_ID_TLV:
- if (vflag) {
+ if (ndo->ndo_vflag) {
+ if (tlv_len < 2) {
+ goto trunc;
+ }
subtype = *tptr;
- printf("\n\t Subtype %s (%u): ",
+ ND_PRINT((ndo, "\n\t Subtype %s (%u): ",
tok2str(lldp_port_subtype_values, "Unknown", subtype),
- subtype);
+ subtype));
switch (subtype) {
case LLDP_PORT_MAC_ADDR_SUBTYPE:
- printf("%s", etheraddr_string(tptr+1));
+ if (tlv_len < 1+6) {
+ goto trunc;
+ }
+ ND_PRINT((ndo, "%s", etheraddr_string(ndo, tptr + 1)));
break;
case LLDP_PORT_INTF_NAME_SUBTYPE: /* fall through */
case LLDP_PORT_AGENT_CIRC_ID_SUBTYPE:
case LLDP_PORT_INTF_ALIAS_SUBTYPE:
case LLDP_PORT_PORT_COMP_SUBTYPE:
- safeputs((const char *)tptr+1, tlv_len-1);
+ safeputs(ndo, tptr + 1, tlv_len - 1);
break;
case LLDP_PORT_NETWORK_ADDR_SUBTYPE:
- printf("%s", lldp_network_addr_print(tptr+1));
+ network_addr = lldp_network_addr_print(ndo, tptr+1, tlv_len-1);
+ if (network_addr == NULL) {
+ goto trunc;
+ }
+ ND_PRINT((ndo, "%s", network_addr));
break;
default:
}
break;
- case LLDP_PRIVATE_TLV:
- if (vflag) {
- int subtype;
- oui = EXTRACT_24BITS(tptr);
- printf(": OUI %s (0x%06x)", tok2str(oui_values, "Unknown", oui), oui);
- hexdump = TRUE;
-
- if (oui == OUI_IEEE_PRIVATE) {
-
- hexdump = FALSE;
- subtype = *(tptr+3);
-
- printf("\n\t %s Subtype (%u)",
- tok2str(lldp_8023_subtype_values, "unknown", subtype),
- subtype);
-
- switch (subtype) {
- case LLDP_8023_SUTBYPE_1:
- printf("\n\t autonegotiation [%s] (0x%02x)",
- bittok2str(lldp_8023_autonegotiation_values,"none",*(tptr+4)),
- *(tptr+4));
- printf("\n\t PMD autoneg capability [%s] (0x%04x)",
- bittok2str(lldp_pmd_capability_values,"unknown",EXTRACT_16BITS(tptr+5)),
- EXTRACT_16BITS(tptr+5));
- printf("\n\t MAU type %s (0x%04x)",
- tok2str(lldp_mau_types_values, "unknown", EXTRACT_16BITS(tptr+7)),
- EXTRACT_16BITS(tptr+7));
- break;
-
- case LLDP_8023_SUTBYPE_2:
- printf("\n\t MDI power support [%s], power pair %s, power class %s",
- bittok2str(lldp_mdi_values, "none", *(tptr+4)),
- tok2str(lldp_mdi_power_pairs_values, "unknown", *(tptr+5)),
- tok2str(lldp_mdi_power_class_values, "unknown", *(tptr+6)));
- break;
-
- case LLDP_8023_SUTBYPE_3:
- printf("\n\t aggregation status [%s], aggregation port ID %u",
- bittok2str(lldp_aggregation_values, "none", (*tptr+4)),
- EXTRACT_32BITS(tptr+5));
- break;
-
- case LLDP_8023_SUTBYPE_4:
- printf("\n\t MTU size %u",
- EXTRACT_16BITS(tptr+4));
- break;
-
- default:
- hexdump = TRUE;
- break;
- }
+ case LLDP_TTL_TLV:
+ if (ndo->ndo_vflag) {
+ if (tlv_len < 2) {
+ goto trunc;
}
+ ND_PRINT((ndo, ": TTL %us", EXTRACT_16BITS(tptr)));
+ }
+ break;
+
+ case LLDP_PORT_DESCR_TLV:
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, ": "));
+ safeputs(ndo, tptr, tlv_len);
+ }
+ break;
+
+ case LLDP_SYSTEM_NAME_TLV:
+ /*
+ * The system name is also print in non-verbose mode
+ * similar to the CDP printer.
+ */
+ ND_PRINT((ndo, ": "));
+ safeputs(ndo, tptr, tlv_len);
+ break;
+
+ case LLDP_SYSTEM_DESCR_TLV:
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, "\n\t "));
+ safeputs(ndo, tptr, tlv_len);
}
break;
case LLDP_SYSTEM_CAP_TLV:
- if (vflag) {
+ if (ndo->ndo_vflag) {
+ /*
+ * XXX - IEEE Std 802.1AB-2009 says the first octet
+ * if a chassis ID subtype, with the system
+ * capabilities and enabled capabilities following
+ * it.
+ */
+ if (tlv_len < 4) {
+ goto trunc;
+ }
cap = EXTRACT_16BITS(tptr);
ena_cap = EXTRACT_16BITS(tptr+2);
- printf("\n\t System Capabilities [%s] (0x%04x)",
- bittok2str(lldp_cap_values, "none", cap), cap);
- printf("\n\t Enabled Capabilities [%s] (0x%04x)",
- bittok2str(lldp_cap_values, "none", ena_cap), ena_cap);
+ ND_PRINT((ndo, "\n\t System Capabilities [%s] (0x%04x)",
+ bittok2str(lldp_cap_values, "none", cap), cap));
+ ND_PRINT((ndo, "\n\t Enabled Capabilities [%s] (0x%04x)",
+ bittok2str(lldp_cap_values, "none", ena_cap), ena_cap));
}
break;
case LLDP_MGMT_ADDR_TLV:
- if (vflag) {
- if (!lldp_mgmt_addr_tlv_print(tptr, tlen)) {
+ if (ndo->ndo_vflag) {
+ if (!lldp_mgmt_addr_tlv_print(ndo, tptr, tlv_len)) {
goto trunc;
}
}
break;
+ case LLDP_PRIVATE_TLV:
+ if (ndo->ndo_vflag) {
+ if (tlv_len < 3) {
+ goto trunc;
+ }
+ oui = EXTRACT_24BITS(tptr);
+ ND_PRINT((ndo, ": OUI %s (0x%06x)", tok2str(oui_values, "Unknown", oui), oui));
+
+ switch (oui) {
+ case OUI_IEEE_8021_PRIVATE:
+ hexdump = lldp_private_8021_print(ndo, tptr, tlv_len);
+ break;
+ case OUI_IEEE_8023_PRIVATE:
+ hexdump = lldp_private_8023_print(ndo, tptr, tlv_len);
+ break;
+ case OUI_IANA:
+ hexdump = lldp_private_iana_print(ndo, tptr, tlv_len);
+ break;
+ case OUI_TIA:
+ hexdump = lldp_private_tia_print(ndo, tptr, tlv_len);
+ break;
+ case OUI_DCBX:
+ hexdump = lldp_private_dcbx_print(ndo, tptr, tlv_len);
+ break;
+ default:
+ hexdump = TRUE;
+ break;
+ }
+ }
+ break;
+
default:
hexdump = TRUE;
break;
}
/* do we also want to see a hex dump ? */
- if (vflag > 1 || (vflag && hexdump)) {
- print_unknown_data(tptr,"\n\t ", tlv_len);
+ if (ndo->ndo_vflag > 1 || (ndo->ndo_vflag && hexdump)) {
+ print_unknown_data(ndo, tptr, "\n\t ", tlv_len);
}
tlen -= tlv_len;
}
return;
trunc:
- printf("\n\t[|LLDP]");
+ ND_PRINT((ndo, "\n\t[|LLDP]"));
}
/*
projects / tcpdump / blobdiff