#define LDP_TLV_ATM_SESSION_PARM 0x0501
#define LDP_TLV_FR_SESSION_PARM 0x0502
#define LDP_TLV_FT_SESSION 0x0503
+#define LDP_TLV_TYPED_WC_FEC_CAP 0x050b /* rfc 5918 */
#define LDP_TLV_LABEL_REQUEST_MSG_ID 0x0600
#define LDP_TLV_MTU 0x0601 /* rfc 3988 */
+#define LDP_TLV_DUAL_STACK_CAP 0x0701 /* rfc 7552 */
static const struct tok ldp_tlv_values[] = {
{ LDP_TLV_FEC, "FEC" },
{ LDP_TLV_ATM_SESSION_PARM, "ATM Session Parameters" },
{ LDP_TLV_FR_SESSION_PARM, "Frame-Relay Session Parameters" },
{ LDP_TLV_FT_SESSION, "Fault-Tolerant Session Parameters" },
+ { LDP_TLV_TYPED_WC_FEC_CAP, "Typed Wildcard FEC Capability" },
{ LDP_TLV_LABEL_REQUEST_MSG_ID, "Label Request Message ID" },
{ LDP_TLV_MTU, "MTU" },
+ { LDP_TLV_DUAL_STACK_CAP, "Dual-Stack Capability" },
+ { 0, NULL}
+};
+
+static const struct tok ldp_status_code_values[] = {
+ /* rfc 5036 */
+ { 0x00000000, "Success" },
+ { 0x00000001, "Bad LDP Identifier" },
+ { 0x00000002, "Bad Protocol Version" },
+ { 0x00000003, "Bad PDU Length" },
+ { 0x00000004, "Unknown Message Type" },
+ { 0x00000005, "Bad Message Length" },
+ { 0x00000006, "Unknown TLV" },
+ { 0x00000007, "Bad TLV Length" },
+ { 0x00000008, "Malformted TLV Value" },
+ { 0x00000009, "Hold Timer Expired" },
+ { 0x0000000A, "Shutdown" },
+ { 0x0000000B, "Loop Detected" },
+ { 0x0000000C, "Unknown FEC" },
+ { 0x0000000D, "No Route" },
+ { 0x0000000E, "No Label Resources" },
+ { 0x0000000F, "Label Resources/Available" },
+ { 0x00000010, "Session Rejected/No Hello" },
+ { 0x00000011, "Session Rejected/Parameters Advertisement Mode" },
+ { 0x00000012, "Session Rejected/Parameters Max PDU Length" },
+ { 0x00000013, "Session Rejected/Parameters Label Range" },
+ { 0x00000014, "KeepAlive Timer Expired" },
+ { 0x00000015, "Label Request Aborted" },
+ { 0x00000016, "Missing Message Parameters" },
+ { 0x00000017, "Unsupported Address Family" },
+ { 0x00000018, "Session Rejected/Bad KeepAlive Time" },
+ { 0x00000019, "Internal Error" },
{ 0, NULL}
};
{ 0, NULL}
};
+/* rfc 7552 */
+#define LDP_DUAL_STACK_TRANSPORT_PREF_IPV4 0x40
+#define LDP_DUAL_STACK_TRANSPORT_PREF_IPV6 0x60
+
+static const struct tok ldp_dual_stack_transport_pref_values[] = {
+ { LDP_DUAL_STACK_TRANSPORT_PREF_IPV4, "IPv4" },
+ { LDP_DUAL_STACK_TRANSPORT_PREF_IPV6, "IPv6" },
+ { 0, NULL}
+};
+
static u_int ldp_pdu_print(netdissect_options *, const u_char *);
/*
const struct ldp_tlv_header *ldp_tlv_header;
u_short tlv_type,tlv_len,tlv_tlen,af,ft_flags;
- u_char fec_type;
+ u_char fec_type, transport_pref;
u_int ui,vc_info_len, vc_info_tlv_type, vc_info_tlv_len,idx;
char buf[100];
int i;
}
break;
+ case LDP_TLV_HOP_COUNT:
+ TLV_TCHECK(1);
+ ND_PRINT("\n\t Hop Count: %u", GET_U_1(tptr));
+ break;
+
+ case LDP_TLV_PATH_VECTOR:
+ TLV_TCHECK(4);
+ ND_PRINT("\n\t Path Vector: %s", GET_IPADDR_STRING(tptr));
+ tptr += 4;
+ tlv_tlen -= 4;
+ while (tlv_tlen >= 4) {
+ ND_PRINT(", %s", GET_IPADDR_STRING(tptr));
+ tptr += 4;
+ tlv_tlen -= 4;
+ }
+ break;
+
case LDP_TLV_COMMON_SESSION:
TLV_TCHECK(14);
ND_PRINT("\n\t Version: %u, Keepalive: %us, Flags: [Downstream %s, Loop Detection %s]",
break;
case LDP_TLV_STATUS:
- TLV_TCHECK(8);
+ TLV_TCHECK(10);
ui = GET_BE_U_4(tptr);
tptr+=4;
- ND_PRINT("\n\t Status: 0x%02x, Flags: [%s and %s forward]",
- ui&0x3fffffff,
- ui&0x80000000 ? "Fatal error" : "Advisory Notification",
- ui&0x40000000 ? "do" : "don't");
+ ND_PRINT("\n\t Status Code: %s, Flags: [%s and %s forward]",
+ tok2str(ldp_status_code_values, "Unknown", ui&0x3fffffff),
+ ui&0x80000000 ? "Fatal error" : "Advisory Notification",
+ ui&0x40000000 ? "do" : "don't");
ui = GET_BE_U_4(tptr);
tptr+=4;
if (ui)
ND_PRINT(", causing Message ID: 0x%08x", ui);
+ ui = GET_BE_U_2(tptr);
+ if (ui)
+ ND_PRINT(", Message Type: %s", tok2str(ldp_msg_values, "Unknown", ui));
break;
case LDP_TLV_FT_SESSION:
ND_PRINT(", Recovery Time: %ums", ui);
break;
+ case LDP_TLV_TYPED_WC_FEC_CAP:
+ TLV_TCHECK(1);
+ ND_PRINT("\n\t %s", GET_U_1(tptr)&0x80 ? "Support" : "No Support");
+ break;
+
case LDP_TLV_MTU:
TLV_TCHECK(2);
ND_PRINT("\n\t MTU: %u", GET_BE_U_2(tptr));
break;
+ case LDP_TLV_DUAL_STACK_CAP:
+ TLV_TCHECK(4);
+ transport_pref = GET_U_1(tptr);
+ ND_PRINT("\n\t Transport Connection Preference: %s",
+ tok2str(ldp_dual_stack_transport_pref_values,
+ "Unknown",
+ transport_pref));
+ break;
+
/*
* FIXME those are the defined TLVs that lack a decoder
* you are welcome to contribute code ;-)
*/
- case LDP_TLV_HOP_COUNT:
- case LDP_TLV_PATH_VECTOR:
case LDP_TLV_ATM_LABEL:
case LDP_TLV_FR_LABEL:
case LDP_TLV_EXTD_STATUS:
case LDP_MSG_LABEL_MAPPING:
case LDP_MSG_ADDRESS_WITHDRAW:
case LDP_MSG_LABEL_WITHDRAW:
+ case LDP_MSG_LABEL_REQUEST:
+ case LDP_MSG_LABEL_RELEASE:
+ case LDP_MSG_LABEL_ABORT_REQUEST:
while(msg_tlen >= 4) {
processed = ldp_tlv_print(ndo, msg_tptr, msg_tlen);
if (processed == 0)
}
break;
- /*
- * FIXME those are the defined messages that lack a decoder
- * you are welcome to contribute code ;-)
- */
-
- case LDP_MSG_LABEL_REQUEST:
- case LDP_MSG_LABEL_RELEASE:
- case LDP_MSG_LABEL_ABORT_REQUEST:
-
default:
if (ndo->ndo_vflag <= 1)
print_unknown_data(ndo, msg_tptr, "\n\t ", msg_tlen);
projects / tcpdump / blobdiff