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[tcpdump] / print-lspping.c
index 686b8767b22883d06bdada78fbdab54fbf7b4bc2..04a4b21a588f2086f09fbf10038cb525ea6d30c0 100644 (file)
 
 /* \summary: MPLS LSP PING printer */
 
-/* specification: RFC 4349 */
+/* specification: RFC 4379 */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
 
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "extract.h"
 #include "addrtoname.h"
+#include "ntp.h"
 
 #include "l2vpn.h"
 #include "oui.h"
 
+
 /*
  * LSPPING common header
  *
@@ -67,10 +68,8 @@ struct lspping_common_header {
     nd_uint8_t  return_subcode;
     nd_uint32_t sender_handle;
     nd_uint32_t seq_number;
-    nd_uint32_t ts_sent_sec;
-    nd_uint32_t ts_sent_usec;
-    nd_uint32_t ts_rcvd_sec;
-    nd_uint32_t ts_rcvd_usec;
+    struct l_fixedpt ts_sent;
+    struct l_fixedpt ts_rcvd;
 };
 
 #define LSPPING_VERSION            1
@@ -497,7 +496,7 @@ lspping_print(netdissect_options *ndo,
     u_int tlen,lspping_tlv_len,lspping_tlv_type,tlv_tlen;
     int tlv_hexdump,subtlv_hexdump;
     u_int lspping_subtlv_len,lspping_subtlv_type;
-    struct timeval timestamp;
+    uint32_t int_part, fraction;
     u_int address_type;
 
     union {
@@ -523,6 +522,7 @@ lspping_print(netdissect_options *ndo,
         const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *lspping_tlv_targetfec_subtlv_bgp_ipv6;
     } subtlv_ptr;
 
+    ndo->ndo_protocol = "lspping";
     tptr=pptr;
     lspping_com_header = (const struct lspping_common_header *)pptr;
     if (len < sizeof(struct lspping_common_header))
@@ -532,19 +532,19 @@ lspping_print(netdissect_options *ndo,
     /*
      * Sanity checking of the header.
      */
-    if (EXTRACT_BE_U_2(lspping_com_header->version) != LSPPING_VERSION) {
-       ND_PRINT((ndo, "LSP-PING version %u packet not supported",
-               EXTRACT_BE_U_2(lspping_com_header->version)));
+    if (GET_BE_U_2(lspping_com_header->version) != LSPPING_VERSION) {
+       ND_PRINT("LSP-PING version %u packet not supported",
+               GET_BE_U_2(lspping_com_header->version));
        return;
     }
 
     /* in non-verbose mode just lets print the basic Message Type*/
     if (ndo->ndo_vflag < 1) {
-        ND_PRINT((ndo, "LSP-PINGv%u, %s, seq %u, length: %u",
-               EXTRACT_BE_U_2(lspping_com_header->version),
-               tok2str(lspping_msg_type_values, "unknown (%u)",EXTRACT_U_1(lspping_com_header->msg_type)),
-               EXTRACT_BE_U_4(lspping_com_header->seq_number),
-               len));
+        ND_PRINT("LSP-PINGv%u, %s, seq %u, length: %u",
+               GET_BE_U_2(lspping_com_header->version),
+               tok2str(lspping_msg_type_values, "unknown (%u)",GET_U_1(lspping_com_header->msg_type)),
+               GET_BE_U_4(lspping_com_header->seq_number),
+               len);
         return;
     }
 
@@ -552,53 +552,51 @@ lspping_print(netdissect_options *ndo,
 
     tlen=len;
 
-    ND_PRINT((ndo, "\n\tLSP-PINGv%u, msg-type: %s (%u), length: %u\n\t  reply-mode: %s (%u)",
-           EXTRACT_BE_U_2(lspping_com_header->version),
-           tok2str(lspping_msg_type_values, "unknown",EXTRACT_U_1(lspping_com_header->msg_type)),
-           EXTRACT_U_1(lspping_com_header->msg_type),
+    ND_PRINT("\n\tLSP-PINGv%u, msg-type: %s (%u), length: %u\n\t  reply-mode: %s (%u)",
+           GET_BE_U_2(lspping_com_header->version),
+           tok2str(lspping_msg_type_values, "unknown",GET_U_1(lspping_com_header->msg_type)),
+           GET_U_1(lspping_com_header->msg_type),
            len,
-           tok2str(lspping_reply_mode_values, "unknown",EXTRACT_U_1(lspping_com_header->reply_mode)),
-           EXTRACT_U_1(lspping_com_header->reply_mode)));
+           tok2str(lspping_reply_mode_values, "unknown",GET_U_1(lspping_com_header->reply_mode)),
+           GET_U_1(lspping_com_header->reply_mode));
 
     /*
      *  the following return codes require that the subcode is attached
      *  at the end of the translated token output
      */
-    return_code = EXTRACT_U_1(lspping_com_header->return_code);
-    return_subcode = EXTRACT_U_1(lspping_com_header->return_subcode);
+    return_code = GET_U_1(lspping_com_header->return_code);
+    return_subcode = GET_U_1(lspping_com_header->return_subcode);
     if (return_code == 3 ||
         return_code == 4 ||
         return_code == 8 ||
         return_code == 10 ||
         return_code == 11 ||
         return_code == 12 )
-        ND_PRINT((ndo, "\n\t  Return Code: %s %u (%u)\n\t  Return Subcode: (%u)",
+        ND_PRINT("\n\t  Return Code: %s %u (%u)\n\t  Return Subcode: (%u)",
                tok2str(lspping_return_code_values, "unknown",return_code),
                return_subcode,
                return_code,
-               return_subcode));
+               return_subcode);
     else
-        ND_PRINT((ndo, "\n\t  Return Code: %s (%u)\n\t  Return Subcode: (%u)",
+        ND_PRINT("\n\t  Return Code: %s (%u)\n\t  Return Subcode: (%u)",
                tok2str(lspping_return_code_values, "unknown",return_code),
                return_code,
-               return_subcode));
-
-    ND_PRINT((ndo, "\n\t  Sender Handle: 0x%08x, Sequence: %u",
-           EXTRACT_BE_U_4(lspping_com_header->sender_handle),
-           EXTRACT_BE_U_4(lspping_com_header->seq_number)));
-
-    timestamp.tv_sec=EXTRACT_BE_U_4(lspping_com_header->ts_sent_sec);
-    timestamp.tv_usec=EXTRACT_BE_U_4(lspping_com_header->ts_sent_usec);
-    ND_PRINT((ndo, "\n\t  Sender Timestamp: "));
-    ts_print(ndo, &timestamp);
-
-    timestamp.tv_sec=EXTRACT_BE_U_4(lspping_com_header->ts_rcvd_sec);
-    timestamp.tv_usec=EXTRACT_BE_U_4(lspping_com_header->ts_rcvd_usec);
-    ND_PRINT((ndo, "Receiver Timestamp: "));
-    if ((timestamp.tv_sec != 0) && (timestamp.tv_usec != 0))
-        ts_print(ndo, &timestamp);
+               return_subcode);
+
+    ND_PRINT("\n\t  Sender Handle: 0x%08x, Sequence: %u",
+           GET_BE_U_4(lspping_com_header->sender_handle),
+           GET_BE_U_4(lspping_com_header->seq_number));
+
+    ND_PRINT("\n\t  TimeStamp Sent: ");
+    p_ntp_time(ndo, &lspping_com_header->ts_sent);
+
+    int_part=GET_BE_U_4(lspping_com_header->ts_rcvd.int_part);
+    fraction=GET_BE_U_4(lspping_com_header->ts_rcvd.fraction);
+    ND_PRINT("\n\t  TimeStamp Received: ");
+    if (! (int_part == 0 && fraction == 0))
+        p_ntp_time(ndo, &lspping_com_header->ts_rcvd);
     else
-        ND_PRINT((ndo, "no timestamp"));
+        ND_PRINT("no timestamp");
 
     tptr+=sizeof(struct lspping_common_header);
     tlen-=sizeof(struct lspping_common_header);
@@ -608,19 +606,16 @@ lspping_print(netdissect_options *ndo,
         if (tlen < sizeof(struct lspping_tlv_header))
             goto tooshort;
 
-        /* did we capture enough for fully decoding the tlv header ? */
-        ND_TCHECK_LEN(tptr, sizeof(struct lspping_tlv_header));
-
         lspping_tlv_header = (const struct lspping_tlv_header *)tptr;
-        lspping_tlv_type=EXTRACT_BE_U_2(lspping_tlv_header->type);
-        lspping_tlv_len=EXTRACT_BE_U_2(lspping_tlv_header->length);
+        lspping_tlv_type=GET_BE_U_2(lspping_tlv_header->type);
+        lspping_tlv_len=GET_BE_U_2(lspping_tlv_header->length);
 
-        ND_PRINT((ndo, "\n\t  %s TLV (%u), length: %u",
+        ND_PRINT("\n\t  %s TLV (%u), length: %u",
                tok2str(lspping_tlv_values,
                        "Unknown",
                        lspping_tlv_type),
                lspping_tlv_type,
-               lspping_tlv_len));
+               lspping_tlv_len);
 
         /* some little sanity checking */
         if (lspping_tlv_len == 0) {
@@ -644,22 +639,20 @@ lspping_print(netdissect_options *ndo,
             while (tlv_tlen != 0) {
                 /* Does the subTLV header go past the end of the TLV? */
                 if (tlv_tlen < sizeof(struct lspping_tlv_header)) {
-                    ND_PRINT((ndo, "\n\t      TLV is too short"));
+                    ND_PRINT("\n\t      TLV is too short");
                     tlv_hexdump = TRUE;
                     goto tlv_tooshort;
                 }
-                /* did we capture enough for fully decoding the subtlv header ? */
-                ND_TCHECK_LEN(tlv_tptr, sizeof(struct lspping_tlv_header));
                 subtlv_hexdump=FALSE;
 
                 lspping_subtlv_header = (const struct lspping_tlv_header *)tlv_tptr;
-                lspping_subtlv_type=EXTRACT_BE_U_2(lspping_subtlv_header->type);
-                lspping_subtlv_len=EXTRACT_BE_U_2(lspping_subtlv_header->length);
+                lspping_subtlv_type=GET_BE_U_2(lspping_subtlv_header->type);
+                lspping_subtlv_len=GET_BE_U_2(lspping_subtlv_header->length);
                 subtlv_tptr=tlv_tptr+sizeof(struct lspping_tlv_header);
 
                 /* Does the subTLV go past the end of the TLV? */
                 if (tlv_tlen < lspping_subtlv_len+sizeof(struct lspping_tlv_header)) {
-                    ND_PRINT((ndo, "\n\t      TLV is too short"));
+                    ND_PRINT("\n\t      TLV is too short");
                     tlv_hexdump = TRUE;
                     goto tlv_tooshort;
                 }
@@ -667,154 +660,154 @@ lspping_print(netdissect_options *ndo,
                 /* Did we capture enough for fully decoding the subTLV? */
                 ND_TCHECK_LEN(subtlv_tptr, lspping_subtlv_len);
 
-                ND_PRINT((ndo, "\n\t    %s subTLV (%u), length: %u",
+                ND_PRINT("\n\t    %s subTLV (%u), length: %u",
                        tok2str(lspping_tlvtargetfec_subtlv_values,
                                "Unknown",
                                lspping_subtlv_type),
                        lspping_subtlv_type,
-                       lspping_subtlv_len));
+                       lspping_subtlv_len);
 
                 switch(lspping_subtlv_type) {
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 5) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 5"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 5");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4 =
                             (const struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      %s/%u",
-                               ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix),
-                               EXTRACT_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix_len)));
+                        ND_PRINT("\n\t      %s/%u",
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix_len));
                     }
                     break;
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 17) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 17"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 17");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6 =
                             (const struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      %s/%u",
-                               ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix),
-                               EXTRACT_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix_len)));
+                        ND_PRINT("\n\t      %s/%u",
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix_len));
                     }
                     break;
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 5) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 5"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 5");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4 =
                             (const struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      %s/%u",
-                               ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix),
-                               EXTRACT_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix_len)));
+                        ND_PRINT("\n\t      %s/%u",
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix_len));
                     }
                     break;
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 17) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 17"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 17");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6 =
                             (const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      %s/%u",
-                               ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix),
-                               EXTRACT_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix_len)));
+                        ND_PRINT("\n\t      %s/%u",
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix_len));
                     }
                     break;
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 20) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 20"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 20");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4 =
                             (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x"
+                        ND_PRINT("\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(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_endpoint),
-                               ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_sender),
-                               EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->lsp_id),
-                               EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_id),
-                               ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->extended_tunnel_id)));
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_endpoint),
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_sender),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->lsp_id),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_id),
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->extended_tunnel_id));
                     }
                     break;
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 56) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 56"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 56");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6 =
                             (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x"
+                        ND_PRINT("\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(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_endpoint),
-                               ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_sender),
-                               EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->lsp_id),
-                               EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_id),
-                               ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->extended_tunnel_id)));
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_endpoint),
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_sender),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->lsp_id),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_id),
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->extended_tunnel_id));
                     }
                     break;
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 13) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 13"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 13");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4 =
                             (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      RD: %s, %s/%u",
+                        ND_PRINT("\n\t      RD: %s, %s/%u",
                                bgp_vpn_rd_print(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->rd),
-                               ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix),
-                               EXTRACT_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix_len)));
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix_len));
                     }
                     break;
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 25) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 25"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 25");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6 =
                             (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      RD: %s, %s/%u",
+                        ND_PRINT("\n\t      RD: %s, %s/%u",
                                bgp_vpn_rd_print(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->rd),
-                               ip6addr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix),
-                               EXTRACT_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix_len)));
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix_len));
                     }
                     break;
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 14) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 14"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 14");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt =
                             (const struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      RD: %s, Sender VE ID: %u, Receiver VE ID: %u"
+                        ND_PRINT("\n\t      RD: %s, Sender VE ID: %u, Receiver VE ID: %u"
                                "\n\t      Encapsulation Type: %s (%u)",
                                bgp_vpn_rd_print(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->rd),
-                               EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->sender_ve_id),
-                               EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->receiver_ve_id),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->sender_ve_id),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->receiver_ve_id),
                                tok2str(mpls_pw_types_values,
                                        "unknown",
-                                       EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation)),
-                               EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation)));
+                                       GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation)),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation));
                     }
                     break;
 
@@ -822,39 +815,39 @@ lspping_print(netdissect_options *ndo,
                 case LSPPING_TLV_TARGETFEC_SUBTLV_FEC_128_PW_OLD:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 10) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 10"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 10");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old =
                             (const struct lspping_tlv_targetfec_subtlv_fec_128_pw_old *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      Remote PE: %s"
+                        ND_PRINT("\n\t      Remote PE: %s"
                                "\n\t      PW ID: 0x%08x, PW Type: %s (%u)",
-                               ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->remote_pe_address),
-                               EXTRACT_BE_U_4(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->pw_id),
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->remote_pe_address),
+                               GET_BE_U_4(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->pw_id),
                                tok2str(mpls_pw_types_values,
                                        "unknown",
-                                       EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->pw_type)),
-                               EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->pw_type)));
+                                       GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->pw_type)),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->pw_type));
                     }
                     break;
 
                 case LSPPING_TLV_TARGETFEC_SUBTLV_FEC_128_PW:
                     /* Is the subTLV length correct? */
                     if (lspping_subtlv_len != 14) {
-                        ND_PRINT((ndo, "\n\t      invalid subTLV length, should be 14"));
+                        ND_PRINT("\n\t      invalid subTLV length, should be 14");
                         subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
                     } else {
                         subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid =
                             (const struct lspping_tlv_targetfec_subtlv_fec_128_pw *)subtlv_tptr;
-                        ND_PRINT((ndo, "\n\t      Sender PE: %s, Remote PE: %s"
+                        ND_PRINT("\n\t      Sender PE: %s, Remote PE: %s"
                                "\n\t      PW ID: 0x%08x, PW Type: %s (%u)",
-                               ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->sender_pe_address),
-                               ipaddr_string(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->remote_pe_address),
-                               EXTRACT_BE_U_4(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->pw_id),
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->sender_pe_address),
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->remote_pe_address),
+                               GET_BE_U_4(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->pw_id),
                                tok2str(mpls_pw_types_values,
                                        "unknown",
-                                       EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->pw_type)),
-                               EXTRACT_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->pw_type)));
+                                       GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->pw_type)),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->pw_type));
                     }
                     break;
 
@@ -873,7 +866,7 @@ lspping_print(netdissect_options *ndo,
                     lspping_subtlv_len += 4 - (lspping_subtlv_len % 4);
                     /* Does the subTLV, including padding, go past the end of the TLV? */
                     if (tlv_tlen < lspping_subtlv_len+sizeof(struct lspping_tlv_header)) {
-                        ND_PRINT((ndo, "\n\t\t TLV is too short"));
+                        ND_PRINT("\n\t\t TLV is too short");
                         return;
                     }
                 }
@@ -885,7 +878,7 @@ lspping_print(netdissect_options *ndo,
         case LSPPING_TLV_DOWNSTREAM_MAPPING:
             /* Does the header go past the end of the TLV? */
             if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_t)) {
-                ND_PRINT((ndo, "\n\t      TLV is too short"));
+                ND_PRINT("\n\t      TLV is too short");
                 tlv_hexdump = TRUE;
                 goto tlv_tooshort;
             }
@@ -900,20 +893,20 @@ lspping_print(netdissect_options *ndo,
              * we do not know if its IPv4 or IPv6 or is unnumbered; after
              * we find the address-type, we recast the tlv_tptr and move on. */
 
-            address_type = EXTRACT_U_1(tlv_ptr.lspping_tlv_downstream_map->address_type);
-            ND_PRINT((ndo, "\n\t    MTU: %u, Address-Type: %s (%u)",
-                   EXTRACT_BE_U_2(tlv_ptr.lspping_tlv_downstream_map->mtu),
+            address_type = GET_U_1(tlv_ptr.lspping_tlv_downstream_map->address_type);
+            ND_PRINT("\n\t    MTU: %u, Address-Type: %s (%u)",
+                   GET_BE_U_2(tlv_ptr.lspping_tlv_downstream_map->mtu),
                    tok2str(lspping_tlv_downstream_addr_values,
                            "unknown",
                            address_type),
-                   address_type));
+                   address_type);
 
             switch(address_type) {
 
             case LSPPING_AFI_IPV4:
                 /* Does the data go past the end of the TLV? */
                 if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_ipv4_t)) {
-                    ND_PRINT((ndo, "\n\t      TLV is too short"));
+                    ND_PRINT("\n\t      TLV is too short");
                     tlv_hexdump = TRUE;
                     goto tlv_tooshort;
                 }
@@ -923,17 +916,17 @@ lspping_print(netdissect_options *ndo,
 
                 tlv_ptr.lspping_tlv_downstream_map_ipv4=
                     (const struct lspping_tlv_downstream_map_ipv4_t *)tlv_tptr;
-                ND_PRINT((ndo, "\n\t    Downstream IP: %s"
+                ND_PRINT("\n\t    Downstream IP: %s"
                        "\n\t    Downstream Interface IP: %s",
-                       ipaddr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_ip),
-                       ipaddr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_interface)));
+                       GET_IPADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_ip),
+                       GET_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;
             case LSPPING_AFI_IPV4_UNMB:
                 /* Does the data go past the end of the TLV? */
                 if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_ipv4_unmb_t)) {
-                    ND_PRINT((ndo, "\n\t      TLV is too short"));
+                    ND_PRINT("\n\t      TLV is too short");
                     tlv_hexdump = TRUE;
                     goto tlv_tooshort;
                 }
@@ -943,17 +936,17 @@ lspping_print(netdissect_options *ndo,
 
                 tlv_ptr.lspping_tlv_downstream_map_ipv4_unmb=
                     (const struct lspping_tlv_downstream_map_ipv4_unmb_t *)tlv_tptr;
-                ND_PRINT((ndo, "\n\t    Downstream IP: %s"
+                ND_PRINT("\n\t    Downstream IP: %s"
                        "\n\t    Downstream Interface Index: 0x%08x",
-                       ipaddr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv4_unmb->downstream_ip),
-                       EXTRACT_BE_U_4(tlv_ptr.lspping_tlv_downstream_map_ipv4_unmb->downstream_interface)));
+                       GET_IPADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv4_unmb->downstream_ip),
+                       GET_BE_U_4(tlv_ptr.lspping_tlv_downstream_map_ipv4_unmb->downstream_interface));
                 tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv4_unmb_t);
                 tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv4_unmb_t);
                 break;
             case LSPPING_AFI_IPV6:
                 /* Does the data go past the end of the TLV? */
                 if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_ipv6_t)) {
-                    ND_PRINT((ndo, "\n\t      TLV is too short"));
+                    ND_PRINT("\n\t      TLV is too short");
                     tlv_hexdump = TRUE;
                     goto tlv_tooshort;
                 }
@@ -963,17 +956,17 @@ lspping_print(netdissect_options *ndo,
 
                 tlv_ptr.lspping_tlv_downstream_map_ipv6=
                     (const struct lspping_tlv_downstream_map_ipv6_t *)tlv_tptr;
-                ND_PRINT((ndo, "\n\t    Downstream IP: %s"
+                ND_PRINT("\n\t    Downstream IP: %s"
                        "\n\t    Downstream Interface IP: %s",
-                       ip6addr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_ip),
-                       ip6addr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_interface)));
+                       GET_IP6ADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_ip),
+                       GET_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;
              case LSPPING_AFI_IPV6_UNMB:
                 /* Does the data go past the end of the TLV? */
                 if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_ipv6_unmb_t)) {
-                    ND_PRINT((ndo, "\n\t      TLV is too short"));
+                    ND_PRINT("\n\t      TLV is too short");
                     tlv_hexdump = TRUE;
                     goto tlv_tooshort;
                 }
@@ -983,10 +976,10 @@ lspping_print(netdissect_options *ndo,
 
                 tlv_ptr.lspping_tlv_downstream_map_ipv6_unmb=
                    (const struct lspping_tlv_downstream_map_ipv6_unmb_t *)tlv_tptr;
-                ND_PRINT((ndo, "\n\t    Downstream IP: %s"
+                ND_PRINT("\n\t    Downstream IP: %s"
                        "\n\t    Downstream Interface Index: 0x%08x",
-                       ip6addr_string(ndo, tlv_ptr.lspping_tlv_downstream_map_ipv6_unmb->downstream_ip),
-                       EXTRACT_BE_U_4(tlv_ptr.lspping_tlv_downstream_map_ipv6_unmb->downstream_interface)));
+                       GET_IP6ADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv6_unmb->downstream_ip),
+                       GET_BE_U_4(tlv_ptr.lspping_tlv_downstream_map_ipv6_unmb->downstream_interface));
                 tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv6_unmb_t);
                 tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv6_unmb_t);
                 break;
@@ -998,7 +991,7 @@ lspping_print(netdissect_options *ndo,
 
             /* Does the data go past the end of the TLV? */
             if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_info_t)) {
-                ND_PRINT((ndo, "\n\t      TLV is too short"));
+                ND_PRINT("\n\t      TLV is too short");
                 tlv_hexdump = TRUE;
                 goto tlv_tooshort;
             }
@@ -1011,9 +1004,6 @@ lspping_print(netdissect_options *ndo,
 
             /* 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 */
@@ -1022,12 +1012,11 @@ lspping_print(netdissect_options *ndo,
 
         case LSPPING_TLV_BFD_DISCRIMINATOR:
             if (tlv_tlen < LSPPING_TLV_BFD_DISCRIMINATOR_LEN) {
-                ND_PRINT((ndo, "\n\t      TLV is too short"));
+                ND_PRINT("\n\t      TLV is too short");
                 tlv_hexdump = TRUE;
                 goto tlv_tooshort;
             } else {
-                ND_TCHECK_LEN(tptr, LSPPING_TLV_BFD_DISCRIMINATOR_LEN);
-                ND_PRINT((ndo, "\n\t    BFD Discriminator 0x%08x", EXTRACT_BE_U_4(tptr)));
+                ND_PRINT("\n\t    BFD Discriminator 0x%08x", GET_BE_U_4(tlv_tptr));
             }
             break;
 
@@ -1036,15 +1025,14 @@ lspping_print(netdissect_options *ndo,
             uint32_t vendor_id;
 
             if (tlv_tlen < LSPPING_TLV_VENDOR_ENTERPRISE_LEN) {
-                ND_PRINT((ndo, "\n\t      TLV is too short"));
+                ND_PRINT("\n\t      TLV is too short");
                 tlv_hexdump = TRUE;
                 goto tlv_tooshort;
             } else {
-                ND_TCHECK_LEN(tptr, LSPPING_TLV_VENDOR_ENTERPRISE_LEN);
-                vendor_id = EXTRACT_BE_U_4(tlv_tptr);
-                ND_PRINT((ndo, "\n\t    Vendor: %s (0x%04x)",
+                vendor_id = GET_BE_U_4(tlv_tptr);
+                ND_PRINT("\n\t    Vendor: %s (0x%04x)",
                        tok2str(smi_values, "Unknown", vendor_id),
-                       vendor_id));
+                       vendor_id);
             }
         }
             break;
@@ -1082,15 +1070,5 @@ lspping_print(netdissect_options *ndo,
     }
     return;
 tooshort:
-    ND_PRINT((ndo, "\n\t\t packet is too short"));
-    return;
-trunc:
-    ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
-    return;
+    ND_PRINT("\n\t\t packet is too short");
 }
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */