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-rw-r--r--print-lspping.c896
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diff --git a/print-lspping.c b/print-lspping.c
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+++ b/print-lspping.c
@@ -0,0 +1,896 @@
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code
+ * distributions retain the above copyright notice and this paragraph
+ * in its entirety, and (2) distributions including binary code include
+ * the above copyright notice and this paragraph in its entirety in
+ * the documentation or other materials provided with the distribution.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
+ * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
+ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE.
+ *
+ * Original code by Hannes Gredler (hannes@juniper.net)
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-lspping.c,v 1.20 2008-01-28 14:20:43 hannes Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "interface.h"
+#include "extract.h"
+#include "addrtoname.h"
+
+#include "bgp.h"
+#include "l2vpn.h"
+#include "oui.h"
+
+/*
+ * LSPPING common header
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Version Number | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Message Type | Reply mode | Return Code | Return Subcode|
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Sender's Handle |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Sequence Number |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | TimeStamp Sent (seconds) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | TimeStamp Sent (microseconds) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | TimeStamp Received (seconds) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | TimeStamp Received (microseconds) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | TLVs ... |
+ * . .
+ * . .
+ * . .
+ */
+
+struct lspping_common_header {
+ u_int8_t version[2];
+ u_int8_t reserved[2];
+ u_int8_t msg_type;
+ u_int8_t reply_mode;
+ u_int8_t return_code;
+ u_int8_t return_subcode;
+ u_int8_t sender_handle[4];
+ u_int8_t seq_number[4];
+ u_int8_t ts_sent_sec[4];
+ u_int8_t ts_sent_usec[4];
+ u_int8_t ts_rcvd_sec[4];
+ u_int8_t ts_rcvd_usec[4];
+};
+
+#define LSPPING_VERSION 1
+
+static const struct tok lspping_msg_type_values[] = {
+ { 1, "MPLS Echo Request"},
+ { 2, "MPLS Echo Reply"},
+ { 0, NULL}
+};
+
+static const struct tok lspping_reply_mode_values[] = {
+ { 1, "Do not reply"},
+ { 2, "Reply via an IPv4/IPv6 UDP packet"},
+ { 3, "Reply via an IPv4/IPv6 UDP packet with Router Alert"},
+ { 4, "Reply via application level control channel"},
+ { 0, NULL}
+};
+
+static const struct tok lspping_return_code_values[] = {
+ { 0, "No return code or return code contained in the Error Code TLV"},
+ { 1, "Malformed echo request received"},
+ { 2, "One or more of the TLVs was not understood"},
+ { 3, "Replying router is an egress for the FEC at stack depth"},
+ { 4, "Replying router has no mapping for the FEC at stack depth"},
+ { 5, "Reserved"},
+ { 6, "Reserved"},
+ { 7, "Reserved"},
+ { 8, "Label switched at stack-depth"},
+ { 9, "Label switched but no MPLS forwarding at stack-depth"},
+ { 10, "Mapping for this FEC is not the given label at stack depth"},
+ { 11, "No label entry at stack-depth"},
+ { 12, "Protocol not associated with interface at FEC stack depth"},
+};
+
+
+/*
+ * LSPPING TLV header
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Type | Length |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Value |
+ * . .
+ * . .
+ * . .
+ * | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+struct lspping_tlv_header {
+ u_int8_t type[2];
+ u_int8_t length[2];
+};
+
+#define LSPPING_TLV_TARGET_FEC_STACK 1
+#define LSPPING_TLV_DOWNSTREAM_MAPPING 2
+#define LSPPING_TLV_PAD 3
+#define LSPPING_TLV_VENDOR_ENTERPRISE 5
+#define LSPPING_TLV_VENDOR_ENTERPRISE_LEN 4
+#define LSPPING_TLV_INTERFACE_LABEL_STACK 7
+#define LSPPING_TLV_ERROR_CODE 9
+#define LSPPING_TLV_REPLY_TOS_BYTE 10
+#define LSPPING_TLV_BFD_DISCRIMINATOR 15 /* draft-ietf-bfd-mpls-02 */
+#define LSPPING_TLV_BFD_DISCRIMINATOR_LEN 4
+#define LSPPING_TLV_VENDOR_PRIVATE 0xfc00
+
+static const struct tok lspping_tlv_values[] = {
+ { LSPPING_TLV_TARGET_FEC_STACK, "Target FEC Stack" },
+ { LSPPING_TLV_DOWNSTREAM_MAPPING, "Downstream Mapping" },
+ { LSPPING_TLV_PAD, "Pad" },
+ { LSPPING_TLV_ERROR_CODE, "Error Code" },
+ { LSPPING_TLV_VENDOR_ENTERPRISE, "Vendor Enterprise Code" },
+ { LSPPING_TLV_INTERFACE_LABEL_STACK, "Interface Label Stack" },
+ { LSPPING_TLV_REPLY_TOS_BYTE, "Reply TOS Byte" },
+ { LSPPING_TLV_BFD_DISCRIMINATOR, "BFD Discriminator" },
+ { LSPPING_TLV_VENDOR_PRIVATE, "Vendor Private Code" },
+ { 0, NULL}
+};
+
+#define LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4 1
+#define LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6 2
+#define LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4 3
+#define LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6 4
+#define LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4 6
+#define LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6 7
+#define LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT 8
+#define LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID_OLD 9
+#define LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID 10
+#define LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4 11
+#define LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6 12
+
+static const struct tok lspping_tlvtargetfec_subtlv_values[] = {
+ { LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4, "LDP IPv4 prefix"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6, "LDP IPv6 prefix"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4, "RSVP IPv4 Session Query"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6, "RSVP IPv6 Session Query"},
+ { 5, "Reserved"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4, "VPN IPv4 prefix"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6, "VPN IPv6 prefix"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT, "L2 VPN endpoint"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID_OLD, "L2 circuit ID (old)"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID, "L2 circuit ID"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4, "BGP labeled IPv4 prefix"},
+ { LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6, "BGP labeled IPv6 prefix"},
+ { 0, NULL}
+};
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv4 prefix |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t {
+ u_int8_t prefix [4];
+ u_int8_t prefix_len;
+};
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv6 prefix |
+ * | (16 octets) |
+ * | |
+ * | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t {
+ u_int8_t prefix [16];
+ u_int8_t prefix_len;
+};
+
+/*
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Sender identifier |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv4 prefix |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t {
+ u_int8_t sender_id [4];
+ u_int8_t prefix [4];
+ u_int8_t prefix_len;
+};
+
+/*
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Sender identifier |
+ * | (16 octets) |
+ * | |
+ * | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv6 prefix |
+ * | (16 octets) |
+ * | |
+ * | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t {
+ u_int8_t sender_id [16];
+ u_int8_t prefix [16];
+ u_int8_t prefix_len;
+};
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv4 tunnel end point address |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Must Be Zero | Tunnel ID |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Extended Tunnel ID |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv4 tunnel sender address |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Must Be Zero | LSP ID |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t {
+ u_int8_t tunnel_endpoint [4];
+ u_int8_t res[2];
+ u_int8_t tunnel_id[2];
+ u_int8_t extended_tunnel_id[4];
+ u_int8_t tunnel_sender [4];
+ u_int8_t res2[2];
+ u_int8_t lsp_id [2];
+};
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv6 tunnel end point address |
+ * | |
+ * | |
+ * | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Must Be Zero | Tunnel ID |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Extended Tunnel ID |
+ * | |
+ * | |
+ * | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv6 tunnel sender address |
+ * | |
+ * | |
+ * | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Must Be Zero | LSP ID |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t {
+ u_int8_t tunnel_endpoint [16];
+ u_int8_t res[2];
+ u_int8_t tunnel_id[2];
+ u_int8_t extended_tunnel_id[16];
+ u_int8_t tunnel_sender [16];
+ u_int8_t res2[2];
+ u_int8_t lsp_id [2];
+};
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Route Distinguisher |
+ * | (8 octets) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv4 prefix |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t {
+ u_int8_t rd [8];
+ u_int8_t prefix [4];
+ u_int8_t prefix_len;
+};
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Route Distinguisher |
+ * | (8 octets) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IPv6 prefix |
+ * | (16 octets) |
+ * | |
+ * | |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t {
+ u_int8_t rd [8];
+ u_int8_t prefix [16];
+ u_int8_t prefix_len;
+};
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Route Distinguisher |
+ * | (8 octets) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Sender's CE ID | Receiver's CE ID |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Encapsulation Type | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * 0 1 2 3
+ */
+struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t {
+ u_int8_t rd [8];
+ u_int8_t sender_ce_id [2];
+ u_int8_t receiver_ce_id [2];
+ u_int8_t encapsulation[2];
+};
+
+/*
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Remote PE Address |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | VC ID |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Encapsulation Type | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_old_t {
+ u_int8_t remote_pe_address [4];
+ u_int8_t vc_id [4];
+ u_int8_t encapsulation[2];
+};
+
+/*
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Sender's PE Address |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Remote PE Address |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | VC ID |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Encapsulation Type | Must Be Zero |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_t {
+ u_int8_t sender_pe_address [4];
+ u_int8_t remote_pe_address [4];
+ u_int8_t vc_id [4];
+ u_int8_t encapsulation[2];
+};
+
+/*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | MTU | Address Type | Resvd (SBZ) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Downstream IP Address (4 or 16 octets) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Downstream Interface Address (4 or 16 octets) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Hash Key Type | Depth Limit | Multipath Length |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * . .
+ * . (Multipath Information) .
+ * . .
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Downstream Label | Protocol |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * . .
+ * . .
+ * . .
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Downstream Label | Protocol |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_downstream_map_ipv4_t {
+ u_int8_t mtu [2];
+ u_int8_t address_type;
+ u_int8_t res;
+ u_int8_t downstream_ip[4];
+ u_int8_t downstream_interface[4];
+};
+
+struct lspping_tlv_downstream_map_ipv6_t {
+ u_int8_t mtu [2];
+ u_int8_t address_type;
+ u_int8_t res;
+ u_int8_t downstream_ip[16];
+ u_int8_t downstream_interface[16];
+};
+
+struct lspping_tlv_downstream_map_info_t {
+ u_int8_t hash_key_type;
+ u_int8_t depth_limit;
+ u_int8_t multipath_length [2];
+};
+
+#define LSPPING_AFI_IPV4 1
+#define LSPPING_AFI_UNMB 2
+#define LSPPING_AFI_IPV6 3
+
+static const struct tok lspping_tlv_downstream_addr_values[] = {
+ { LSPPING_AFI_IPV4, "IPv4"},
+ { LSPPING_AFI_IPV6, "IPv6"},
+ { LSPPING_AFI_UNMB, "Unnumbered"},
+ { 0, NULL}
+};
+
+void
+lspping_print(register const u_char *pptr, register u_int len) {
+
+ const struct lspping_common_header *lspping_com_header;
+ const struct lspping_tlv_header *lspping_tlv_header;
+ const struct lspping_tlv_header *lspping_subtlv_header;
+ const u_char *tptr,*tlv_tptr,*subtlv_tptr;
+ int tlen,lspping_tlv_len,lspping_tlv_type,tlv_tlen;
+ int tlv_hexdump,subtlv_hexdump;
+ int lspping_subtlv_len,lspping_subtlv_type;
+ struct timeval timestamp;
+
+ union {
+ const struct lspping_tlv_downstream_map_ipv4_t *lspping_tlv_downstream_map_ipv4;
+ const struct lspping_tlv_downstream_map_ipv6_t *lspping_tlv_downstream_map_ipv6;
+ const struct lspping_tlv_downstream_map_info_t *lspping_tlv_downstream_map_info;
+ } tlv_ptr;
+
+ union {
+ const struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t *lspping_tlv_targetfec_subtlv_ldp_ipv4;
+ const struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t *lspping_tlv_targetfec_subtlv_ldp_ipv6;
+ const struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t *lspping_tlv_targetfec_subtlv_rsvp_ipv4;
+ const struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t *lspping_tlv_targetfec_subtlv_rsvp_ipv6;
+ const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t *lspping_tlv_targetfec_subtlv_l3vpn_ipv4;
+ const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t *lspping_tlv_targetfec_subtlv_l3vpn_ipv6;
+ const struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t *lspping_tlv_targetfec_subtlv_l2vpn_endpt;
+ const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_old_t *lspping_tlv_targetfec_subtlv_l2vpn_vcid_old;
+ const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_t *lspping_tlv_targetfec_subtlv_l2vpn_vcid;
+ const struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t *lspping_tlv_targetfec_subtlv_bgp_ipv4;
+ const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *lspping_tlv_targetfec_subtlv_bgp_ipv6;
+ } subtlv_ptr;
+
+ tptr=pptr;
+ lspping_com_header = (const struct lspping_common_header *)pptr;
+ TCHECK(*lspping_com_header);
+
+ /*
+ * Sanity checking of the header.
+ */
+ if (EXTRACT_16BITS(&lspping_com_header->version[0]) != LSPPING_VERSION) {
+ printf("LSP-PING version %u packet not supported",
+ EXTRACT_16BITS(&lspping_com_header->version[0]));
+ return;
+ }
+
+ /* in non-verbose mode just lets print the basic Message Type*/
+ if (vflag < 1) {
+ printf("LSP-PINGv%u, %s, seq %u, length: %u",
+ EXTRACT_16BITS(&lspping_com_header->version[0]),
+ tok2str(lspping_msg_type_values, "unknown (%u)",lspping_com_header->msg_type),
+ EXTRACT_32BITS(lspping_com_header->seq_number),
+ len);
+ return;
+ }
+
+ /* ok they seem to want to know everything - lets fully decode it */
+
+ tlen=len;
+
+ printf("\n\tLSP-PINGv%u, msg-type: %s (%u), length: %u\n\t reply-mode: %s (%u)",
+ EXTRACT_16BITS(&lspping_com_header->version[0]),
+ tok2str(lspping_msg_type_values, "unknown",lspping_com_header->msg_type),
+ lspping_com_header->msg_type,
+ len,
+ tok2str(lspping_reply_mode_values, "unknown",lspping_com_header->reply_mode),
+ lspping_com_header->reply_mode);
+
+ /*
+ * the following return codes require that the subcode is attached
+ * at the end of the translated token output
+ */
+ if (lspping_com_header->return_code == 3 ||
+ lspping_com_header->return_code == 4 ||
+ lspping_com_header->return_code == 8 ||
+ lspping_com_header->return_code == 10 ||
+ lspping_com_header->return_code == 11 ||
+ lspping_com_header->return_code == 12 )
+ printf("\n\t Return Code: %s %u (%u)\n\t Return Subcode: (%u)",
+ tok2str(lspping_return_code_values, "unknown",lspping_com_header->return_code),
+ lspping_com_header->return_subcode,
+ lspping_com_header->return_code,
+ lspping_com_header->return_subcode);
+ else
+ printf("\n\t Return Code: %s (%u)\n\t Return Subcode: (%u)",
+ tok2str(lspping_return_code_values, "unknown",lspping_com_header->return_code),
+ lspping_com_header->return_code,
+ lspping_com_header->return_subcode);
+
+ printf("\n\t Sender Handle: 0x%08x, Sequence: %u",
+ EXTRACT_32BITS(lspping_com_header->sender_handle),
+ EXTRACT_32BITS(lspping_com_header->seq_number));
+
+ timestamp.tv_sec=EXTRACT_32BITS(lspping_com_header->ts_sent_sec);
+ timestamp.tv_usec=EXTRACT_32BITS(lspping_com_header->ts_sent_usec);
+ printf("\n\t Sender Timestamp: ");
+ ts_print(&timestamp);
+
+ timestamp.tv_sec=EXTRACT_32BITS(lspping_com_header->ts_rcvd_sec);
+ timestamp.tv_usec=EXTRACT_32BITS(lspping_com_header->ts_rcvd_usec);
+ printf("Receiver Timestamp: ");
+ if ((timestamp.tv_sec != 0) && (timestamp.tv_usec != 0))
+ ts_print(&timestamp);
+ else
+ printf("no timestamp");
+
+ tptr+=sizeof(const struct lspping_common_header);
+ tlen-=sizeof(const struct lspping_common_header);
+
+ while(tlen>(int)sizeof(struct lspping_tlv_header)) {
+
+ /* did we capture enough for fully decoding the tlv header ? */
+ if (!TTEST2(*tptr, sizeof(struct lspping_tlv_header)))
+ goto trunc;
+
+ lspping_tlv_header = (const struct lspping_tlv_header *)tptr;
+ lspping_tlv_type=EXTRACT_16BITS(lspping_tlv_header->type);
+ lspping_tlv_len=EXTRACT_16BITS(lspping_tlv_header->length);
+
+ /* some little sanity checking */
+ if (lspping_tlv_type == 0 || lspping_tlv_len == 0)
+ return;
+
+ if(lspping_tlv_len < 4) {
+ printf("\n\t ERROR: TLV %u bogus size %u",lspping_tlv_type,lspping_tlv_len);
+ return;
+ }
+
+ printf("\n\t %s TLV (%u), length: %u",
+ tok2str(lspping_tlv_values,
+ "Unknown",
+ lspping_tlv_type),
+ lspping_tlv_type,
+ lspping_tlv_len);
+
+ tlv_tptr=tptr+sizeof(struct lspping_tlv_header);
+ tlv_tlen=lspping_tlv_len; /* header not included -> no adjustment */
+
+ /* did we capture enough for fully decoding the tlv ? */
+ if (!TTEST2(*tptr, lspping_tlv_len))
+ goto trunc;
+ tlv_hexdump=FALSE;
+
+ switch(lspping_tlv_type) {
+ case LSPPING_TLV_TARGET_FEC_STACK:
+ while(tlv_tlen>(int)sizeof(struct lspping_tlv_header)) {
+
+ /* did we capture enough for fully decoding the subtlv header ? */
+ if (!TTEST2(*tptr, sizeof(struct lspping_tlv_header)))
+ goto trunc;
+ subtlv_hexdump=FALSE;
+
+ lspping_subtlv_header = (const struct lspping_tlv_header *)tlv_tptr;
+ lspping_subtlv_type=EXTRACT_16BITS(lspping_subtlv_header->type);
+ lspping_subtlv_len=EXTRACT_16BITS(lspping_subtlv_header->length);
+ subtlv_tptr=tlv_tptr+sizeof(struct lspping_tlv_header);
+
+ if (lspping_subtlv_len == 0)
+ break;
+
+ printf("\n\t %s subTLV (%u), length: %u",
+ tok2str(lspping_tlvtargetfec_subtlv_values,
+ "Unknown",
+ lspping_subtlv_type),
+ lspping_subtlv_type,
+ lspping_subtlv_len);
+
+ switch(lspping_subtlv_type) {
+
+ case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4 = \
+ (const struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t *)subtlv_tptr;
+ printf("\n\t %s/%u",
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix),
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix_len);
+ break;
+
+#ifdef INET6
+ case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6 = \
+ (const struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t *)subtlv_tptr;
+ printf("\n\t %s/%u",
+ ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix),
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix_len);
+ break;
+#endif
+
+ case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4 = \
+ (const struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t *)subtlv_tptr;
+ printf("\n\t %s/%u, sender-id %s",
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix),
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix_len,
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->sender_id));
+ break;
+
+#ifdef INET6
+ case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6 = \
+ (const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *)subtlv_tptr;
+ printf("\n\t %s/%u, sender-id %s",
+ ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix),
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix_len,
+ ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->sender_id));
+ break;
+#endif
+
+ case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4 = \
+ (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t *)subtlv_tptr;
+ printf("\n\t tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x" \
+ "\n\t tunnel-id 0x%04x, extended tunnel-id %s",
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_endpoint),
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_sender),
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->lsp_id),
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_id),
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->extended_tunnel_id));
+ break;
+
+#ifdef INET6
+ case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6 = \
+ (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t *)subtlv_tptr;
+ printf("\n\t tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x" \
+ "\n\t tunnel-id 0x%04x, extended tunnel-id %s",
+ ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_endpoint),
+ ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_sender),
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->lsp_id),
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_id),
+ ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->extended_tunnel_id));
+ break;
+#endif
+
+ case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4 = \
+ (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t *)subtlv_tptr;
+ printf("\n\t RD: %s, %s/%u",
+ bgp_vpn_rd_print(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->rd),
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix),
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix_len);
+ break;
+
+#ifdef INET6
+ case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6 = \
+ (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t *)subtlv_tptr;
+ printf("\n\t RD: %s, %s/%u",
+ bgp_vpn_rd_print(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->rd),
+ ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix),
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix_len);
+ break;
+#endif
+
+ case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt = \
+ (const struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t *)subtlv_tptr;
+ printf("\n\t RD: %s, Sender CE-ID: %u, Receiver CE-ID: %u" \
+ "\n\t Encapsulation Type: %s (%u)",
+ bgp_vpn_rd_print(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->rd),
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->sender_ce_id),
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->receiver_ce_id),
+ tok2str(l2vpn_encaps_values,
+ "unknown",
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation)),
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation));
+
+ break;
+
+ /* the old L2VPN VCID subTLV does not have support for the sender field */
+ case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID_OLD:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old = \
+ (const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_old_t *)subtlv_tptr;
+ printf("\n\t Remote PE: %s" \
+ "\n\t VC-ID: 0x%08x, Encapsulation Type: %s (%u)",
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->remote_pe_address),
+ EXTRACT_32BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->vc_id),
+ tok2str(l2vpn_encaps_values,
+ "unknown",
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->encapsulation)),
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->encapsulation));
+
+ break;
+
+ case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID:
+ subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid = \
+ (const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_t *)subtlv_tptr;
+ printf("\n\t Sender PE: %s, Remote PE: %s" \
+ "\n\t VC-ID: 0x%08x, Encapsulation Type: %s (%u)",
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->sender_pe_address),
+ ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->remote_pe_address),
+ EXTRACT_32BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->vc_id),
+ tok2str(l2vpn_encaps_values,
+ "unknown",
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->encapsulation)),
+ EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->encapsulation));
+
+ break;
+
+ default:
+ subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+ break;
+ }
+ /* do we want to see an additionally subtlv hexdump ? */
+ if (vflag > 1 || subtlv_hexdump==TRUE)
+ print_unknown_data(tlv_tptr+sizeof(struct lspping_tlv_header), \
+ "\n\t ",
+ lspping_subtlv_len);
+
+ tlv_tptr+=lspping_subtlv_len;
+ tlv_tlen-=lspping_subtlv_len+sizeof(struct lspping_tlv_header);
+ }
+ break;
+
+ case LSPPING_TLV_DOWNSTREAM_MAPPING:
+ /* that strange thing with the downstream map TLV is that until now
+ * we do not know if its IPv4 or IPv6 , after we found the adress-type
+ * lets recast the tlv_tptr and move on */
+
+ tlv_ptr.lspping_tlv_downstream_map_ipv4= \
+ (const struct lspping_tlv_downstream_map_ipv4_t *)tlv_tptr;
+ tlv_ptr.lspping_tlv_downstream_map_ipv6= \
+ (const struct lspping_tlv_downstream_map_ipv6_t *)tlv_tptr;
+ printf("\n\t MTU: %u, Address-Type: %s (%u)",
+ EXTRACT_16BITS(tlv_ptr.lspping_tlv_downstream_map_ipv4->mtu),
+ tok2str(lspping_tlv_downstream_addr_values,
+ "unknown",
+ tlv_ptr.lspping_tlv_downstream_map_ipv4->address_type),
+ tlv_ptr.lspping_tlv_downstream_map_ipv4->address_type);
+
+ switch(tlv_ptr.lspping_tlv_downstream_map_ipv4->address_type) {
+
+ case LSPPING_AFI_IPV4:
+ printf("\n\t Downstream IP: %s" \
+ "\n\t Downstream Interface IP: %s",
+ ipaddr_string(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_ip),
+ ipaddr_string(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_interface));
+ tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
+ tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
+ break;
+#ifdef INET6
+ case LSPPING_AFI_IPV6:
+ printf("\n\t Downstream IP: %s" \
+ "\n\t Downstream Interface IP: %s",
+ ip6addr_string(tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_ip),
+ ip6addr_string(tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_interface));
+ tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv6_t);
+ tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv6_t);
+ break;
+#endif
+ case LSPPING_AFI_UNMB:
+ printf("\n\t Downstream IP: %s" \
+ "\n\t Downstream Interface Index: 0x%08x",
+ ipaddr_string(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_ip),
+ EXTRACT_32BITS(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_interface));
+ tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
+ tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
+ break;
+
+ default:
+ /* should not happen ! - no error message - tok2str() has barked already */
+ break;
+ }
+
+ tlv_ptr.lspping_tlv_downstream_map_info= \
+ (const struct lspping_tlv_downstream_map_info_t *)tlv_tptr;
+
+ /* FIXME add hash-key type, depth limit, multipath processing */
+
+
+ tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_info_t);
+ tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_info_t);
+
+ /* FIXME print downstream labels */
+
+
+ tlv_hexdump=TRUE; /* dump the TLV until code complete */
+
+ break;
+
+ case LSPPING_TLV_BFD_DISCRIMINATOR:
+ tptr += sizeof(struct lspping_tlv_header);
+ if (!TTEST2(*tptr, LSPPING_TLV_BFD_DISCRIMINATOR_LEN))
+ goto trunc;
+ printf("\n\t BFD Discriminator 0x%08x", EXTRACT_32BITS(tptr));
+ break;
+
+ case LSPPING_TLV_VENDOR_ENTERPRISE:
+ {
+ u_int32_t vendor_id;
+
+ if (!TTEST2(*tptr, LSPPING_TLV_VENDOR_ENTERPRISE_LEN))
+ goto trunc;
+ vendor_id = EXTRACT_32BITS(tlv_tptr);
+ printf("\n\t Vendor: %s (0x%04x)",
+ tok2str(smi_values, "Unknown", vendor_id),
+ vendor_id);
+ }
+ break;
+
+ /*
+ * FIXME those are the defined TLVs that lack a decoder
+ * you are welcome to contribute code ;-)
+ */
+ case LSPPING_TLV_PAD:
+ case LSPPING_TLV_ERROR_CODE:
+ case LSPPING_TLV_VENDOR_PRIVATE:
+
+ default:
+ if (vflag <= 1)
+ print_unknown_data(tlv_tptr,"\n\t ",tlv_tlen);
+ break;
+ }
+ /* do we want to see an additionally tlv hexdump ? */
+ if (vflag > 1 || tlv_hexdump==TRUE)
+ print_unknown_data(tptr+sizeof(struct lspping_tlv_header),"\n\t ",
+ lspping_tlv_len);
+
+
+ /* All TLVs are aligned to four octet boundary */
+ if (lspping_tlv_len % 4) {
+ lspping_tlv_len += (4 - lspping_tlv_len % 4);
+ }
+
+ tptr+=lspping_tlv_len+sizeof(struct lspping_tlv_header);
+ tlen-=lspping_tlv_len+sizeof(struct lspping_tlv_header);
+ }
+ return;
+trunc:
+ printf("\n\t\t packet exceeded snapshot");
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 23:05:15 +0000