#ifndef lint
static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.113 2003-12-20 22:24:51 hannes Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.118 2004-03-18 10:58:17 hannes Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#define ISIS_PDU_TYPE_MASK 0x1F
#define ESIS_PDU_TYPE_MASK 0x1F
+#define CLNP_PDU_TYPE_MASK 0x1F
#define ISIS_LAN_PRIORITY_MASK 0x7F
#define ISIS_PDU_L1_LAN_IIH 15
#define ISIS_TLV_SHARED_RISK_GROUP 138 /* draft-ietf-isis-gmpls-extensions */
#define ISIS_TLV_NORTEL_PRIVATE1 176
#define ISIS_TLV_NORTEL_PRIVATE2 177
-#define ISIS_TLV_HOLDTIME 198 /* ES-IS */
#define ISIS_TLV_RESTART_SIGNALING 211 /* draft-ietf-isis-restart-01 */
#define ISIS_TLV_MT_IS_REACH 222 /* draft-ietf-isis-wg-multi-topology-05 */
#define ISIS_TLV_MT_SUPPORTED 229 /* draft-ietf-isis-wg-multi-topology-05 */
#define ISIS_TLV_MT_IP6_REACH 237 /* draft-ietf-isis-wg-multi-topology-05 */
#define ISIS_TLV_PTP_ADJ 240 /* rfc3373 */
#define ISIS_TLV_IIH_SEQNR 241 /* draft-shen-isis-iih-sequence-00 */
-#define ISIS_TLV_VENDOR_PRIVATE 250 /* draft-ietf-isis-proprietary-tlv-00 */
+#define ISIS_TLV_VENDOR_PRIVATE 250 /* draft-ietf-isis-experimental-tlv-01 */
static struct tok isis_tlv_values[] = {
{ ISIS_TLV_AREA_ADDR, "Area address(es)"},
#define ISIS_SUBTLV_EXT_IS_REACH_MAX_LINK_BW 9 /* draft-ietf-isis-traffic-05 */
#define ISIS_SUBTLV_EXT_IS_REACH_RESERVABLE_BW 10 /* draft-ietf-isis-traffic-05 */
#define ISIS_SUBTLV_EXT_IS_REACH_UNRESERVED_BW 11 /* draft-ietf-isis-traffic-05 */
+#define ISIS_SUBTLV_EXT_IS_REACH_DIFFSERV_TE 12 /* draft-ietf-tewg-diff-te-proto-06 */
#define ISIS_SUBTLV_EXT_IS_REACH_TE_METRIC 18 /* draft-ietf-isis-traffic-05 */
#define ISIS_SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE 20 /* draft-ietf-isis-gmpls-extensions */
#define ISIS_SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR 21 /* draft-ietf-isis-gmpls-extensions */
{ ISIS_SUBTLV_EXT_IS_REACH_MAX_LINK_BW, "Maximum link bandwidth" },
{ ISIS_SUBTLV_EXT_IS_REACH_RESERVABLE_BW, "Reservable link bandwidth" },
{ ISIS_SUBTLV_EXT_IS_REACH_UNRESERVED_BW, "Unreserved bandwidth" },
+ { ISIS_SUBTLV_EXT_IS_REACH_DIFFSERV_TE, "Diffserv TE" },
{ ISIS_SUBTLV_EXT_IS_REACH_TE_METRIC, "Traffic Engineering Metric" },
{ ISIS_SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE, "Link Protection Type" },
{ ISIS_SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR, "Interface Switching Capability" },
};
static int osi_cksum(const u_int8_t *, u_int);
+static int clnp_print(const u_int8_t *, u_int);
static void esis_print(const u_int8_t *, u_int);
static int isis_print(const u_int8_t *, u_int);
return;
}
- printf("OSI, %s",tok2str(osi_nlpid_values,"Unknown NLPID (0x%02x)",*p));
+ printf("%s",tok2str(osi_nlpid_values,"Unknown NLPID (0x%02x)",*p));
switch (*p) {
case NLPID_CLNP:
- (void)printf(", length %u", length);
+ if (!clnp_print(p, length))
+ print_unknown_data(p,"\n\t",caplen);
break;
case NLPID_ESIS:
}
}
+#define CLNP_PDU_ER 1
+#define CLNP_PDU_DT 28
+#define CLNP_PDU_MD 29
+#define CLNP_PDU_ERQ 30
+#define CLNP_PDU_ERP 31
+
+static struct tok clnp_pdu_values[] = {
+ { CLNP_PDU_ER, "Error Report"},
+ { CLNP_PDU_MD, "MD"},
+ { CLNP_PDU_DT, "Data"},
+ { CLNP_PDU_ERQ, "Echo Request"},
+ { CLNP_PDU_ERP, "Echo Response"},
+ { 0, NULL }
+};
+
+struct clnp_header_t {
+ u_int8_t nlpid;
+ u_int8_t length_indicator;
+ u_int8_t version;
+ u_int8_t lifetime; /* units of 500ms */
+ u_int8_t type;
+ u_int8_t segment_length[2];
+ u_int8_t cksum[2];
+};
+
+/*
+ * clnp_print
+ * Decode CLNP packets. Return 0 on error.
+ */
+
+static int clnp_print (const u_int8_t *pptr, u_int length)
+{
+ const u_int8_t *optr,*source_address,*dest_address;
+ u_int li,source_address_length,dest_address_length, clnp_pdu_type;
+ const struct clnp_header_t *clnp_header;
+
+ clnp_header = (const struct clnp_header_t *) pptr;
+ li = clnp_header->length_indicator;
+ optr = pptr;
+
+ /*
+ * Sanity checking of the header.
+ */
+
+ /* FIXME */
+
+ clnp_pdu_type = clnp_header->type & CLNP_PDU_TYPE_MASK;
+
+ pptr += sizeof(struct clnp_header_t);
+ dest_address_length = *pptr;
+ dest_address = pptr + 1;
+
+ pptr += (1 + dest_address_length);
+ source_address_length = *pptr;
+ source_address = pptr +1;
+
+ pptr += (1 + source_address_length);
+
+ if (vflag < 1) {
+ printf(", %s > %s, length %u",
+ print_nsap(source_address, source_address_length),
+ print_nsap(dest_address, dest_address_length),
+ length);
+ return (1);
+ }
+ printf(", length %u", length);
+
+ printf("\n\t%s PDU, hlen: %u, v: %u, lifetime: %u.%us, PDU length: %u, checksum: 0x%04x ",
+ tok2str(clnp_pdu_values,
+ "unknown (%u)",
+ clnp_pdu_type),
+ clnp_header->length_indicator,
+ clnp_header->version,
+ clnp_header->lifetime/2,
+ (clnp_header->lifetime%2)*5,
+ EXTRACT_16BITS(clnp_header->segment_length),
+ EXTRACT_16BITS(clnp_header->cksum));
+
+ /* do not attempt to verify the checksum if it is zero */
+ if (EXTRACT_16BITS(clnp_header->cksum) == 0)
+ printf("(unverified)");
+ else printf("(%s)", osi_cksum(optr, li) ? "incorrect" : "correct");
+
+ printf("\n\tsource address (length %u): %s\n\tdest address (length %u): %s",
+ source_address_length,
+ print_nsap(source_address, source_address_length),
+ dest_address_length,
+ print_nsap(dest_address, dest_address_length));
+
+ /* dump the remaining header data */
+ print_unknown_data(pptr,"\n\t",clnp_header->length_indicator-(pptr-optr));
+
+ switch (clnp_pdu_type) {
+
+ case CLNP_PDU_ER:
+ case CLNP_PDU_DT:
+ case CLNP_PDU_MD:
+ case CLNP_PDU_ERQ:
+ case CLNP_PDU_ERP:
+
+ default:
+ /* dump the PDU specific data */
+ print_unknown_data(optr+clnp_header->length_indicator,"\n\t ",length-clnp_header->length_indicator);
+
+ }
+
+ return (1);
+}
+
+
#define ESIS_PDU_REDIRECT 6
#define ESIS_PDU_ESH 2
#define ESIS_PDU_ISH 4
/*
* Sanity checking of the header.
*/
-
+
+ if (esis_header->nlpid != NLPID_ESIS) {
+ printf(", nlpid 0x%02x packet not supported", esis_header->nlpid);
+ return;
+ }
+
if (esis_header->version != ESIS_VERSION) {
printf(", version %d packet not supported", esis_header->version);
return;
switch (op) {
- case ISIS_TLV_AREA_ADDR:
- printf("\n\t %s", print_nsap(tptr, opli));
- break;
-
case ESIS_OPTION_ES_CONF_TIME:
printf("%us", EXTRACT_16BITS(tptr));
break;
static int
isis_print_is_reach_subtlv (const u_int8_t *tptr,int subt,int subl,const char *ident) {
- int priority_level;
+ int priority_level,bandwidth_constraint;
union { /* int to float conversion buffer for several subTLVs */
float f;
u_int32_t i;
tptr+=4;
}
break;
+ case ISIS_SUBTLV_EXT_IS_REACH_DIFFSERV_TE:
+ printf("%sBandwidth Constraints Model ID: (%u)",ident, *tptr);
+ tptr+=4;
+ /* for now lets just print the first 8 BCs -
+ * FIXME is this dep. on the BC model ?
+ */
+ for (bandwidth_constraint = 0; bandwidth_constraint < 8; bandwidth_constraint++) {
+ bw.i = EXTRACT_32BITS(tptr);
+ printf("%s Bandwidth constraint %d: %.3f Mbps",
+ ident,
+ bandwidth_constraint,
+ bw.f*8/1000000 );
+ tptr+=4;
+ }
+ break;
case ISIS_SUBTLV_EXT_IS_REACH_TE_METRIC:
printf(", %u", EXTRACT_24BITS(tptr));
break;
projects / tcpdump / blobdiff