Added RSVP protocol dissector.

svn path=/trunk/; revision=304

1 files changed, 428 insertions, 0 deletions

diff --git a/packet-rsvp.h b/packet-rsvp.h
new file mode 100644
index 0000000000..36088c8d30
--- /dev/null
+++ b/packet-rsvp.h
@@ -0,0 +1,428 @@
+/**********************************************************************
+ *
+ * packet-rsvp.h
+ *
+ * (C) Ashok Narayanan <ashokn@cisco.com>
+ *
+ * $Id: packet-rsvp.h,v 1.1 1999/06/11 16:44:51 gram Exp $
+ *
+ * For license details, see the COPYING file with this distribution
+ *
+ **********************************************************************/
+
+#ifndef PACKET_RSVP_H
+#define PACKET_RSVP_H
+
+/*
+ * RSVP message types
+ */
+typedef enum {
+    RSVP_MSG_PATH=1, RSVP_MSG_RESV, RSVP_MSG_PERR, RSVP_MSG_RERR,
+    RSVP_MSG_PTEAR, RSVP_MSG_RTEAR, RSVP_MSG_CONFIRM, 
+    RSVP_MSG_RTEAR_CONFIRM=10
+} rsvp_message_types;
+
+static value_string message_type_vals[] = { 
+    {RSVP_MSG_PATH, "PATH Message"},
+    {RSVP_MSG_RESV, "RESV Message"},
+    {RSVP_MSG_PERR, "PATH ERROR Message"},
+    {RSVP_MSG_RERR, "RESV ERROR Message"},
+    {RSVP_MSG_PTEAR, "PATH TEAR Message"},
+    {RSVP_MSG_RTEAR, "RESV TEAR Message"},
+    {RSVP_MSG_CONFIRM, "CONFIRM Message"},
+    {RSVP_MSG_RTEAR_CONFIRM, "RESV TEAR CONFIRM Message"}
+};
+
+/* 
+ * RSVP classes
+ */
+#define MAX_RSVP_CLASS 15
+
+enum rsvp_classes {
+    RSVP_CLASS_NULL=0,
+    RSVP_CLASS_SESSION,
+    RSVP_CLASS_HOP=3,
+    RSVP_CLASS_INTEGRITY,
+    RSVP_CLASS_TIME_VALUES,
+    RSVP_CLASS_ERROR,
+    RSVP_CLASS_SCOPE,
+    RSVP_CLASS_STYLE,
+    RSVP_CLASS_FLOWSPEC,
+    RSVP_CLASS_FILTER_SPEC,
+    RSVP_CLASS_SENDER_TEMPLATE,
+    RSVP_CLASS_SENDER_TSPEC,
+    RSVP_CLASS_ADSPEC,
+    RSVP_CLASS_POLICY,
+    RSVP_CLASS_CONFIRM
+};
+
+static value_string rsvp_class_vals[] = { 
+    {RSVP_CLASS_NULL, "NULL object"},
+    {RSVP_CLASS_SESSION, "SESSION object"},
+    {RSVP_CLASS_HOP, "HOP object"},
+    {RSVP_CLASS_INTEGRITY, "INTEGRITY object"},
+    {RSVP_CLASS_TIME_VALUES, "TIME VALUES object"},
+    {RSVP_CLASS_ERROR, "ERROR object"},
+    {RSVP_CLASS_SCOPE, "SCOPE object"},
+    {RSVP_CLASS_STYLE, "STYLE object"},
+    {RSVP_CLASS_FLOWSPEC, "FLOWSPEC object"},
+    {RSVP_CLASS_FILTER_SPEC, "FILTER SPEC object"},
+    {RSVP_CLASS_SENDER_TEMPLATE, "SENDER TEMPLATE object"},
+    {RSVP_CLASS_SENDER_TSPEC, "SENDER TSPEC object"},
+    {RSVP_CLASS_ADSPEC, "ADSPEC object"},
+    {RSVP_CLASS_POLICY, "POLICY object"},
+    {RSVP_CLASS_CONFIRM, "CONFIRM object"}
+};
+
+/*
+ * RSVP error values
+ */
+enum rsvp_error_types {
+    RSVP_ERROR_CONFIRM = 0,
+    RSVP_ERROR_ADMISSION,
+    RSVP_ERROR_POLICY,
+    RSVP_ERROR_NO_PATH,
+    RSVP_ERROR_NO_SENDER,
+    RSVP_ERROR_CONFLICT_RESV_STYLE,
+    RSVP_ERROR_UNKNOWN_RESV_STYLE,
+    RSVP_ERROR_CONFLICT_DEST_PORTS,
+    RSVP_ERROR_CONFLICT_SRC_PORTS,
+    RSVP_ERROR_PREEMPTED=12,
+    RSVP_ERROR_UNKNOWN_CLASS,
+    RSVP_ERROR_UNKNOWN_C_TYPE,
+    RSVP_ERROR_TRAFFIC = 21,
+    RSVP_ERROR_TRAFFIC_SYSTEM,
+    RSVP_ERROR_SYSTEM
+};
+
+static value_string rsvp_error_vals[] = {
+    {RSVP_ERROR_CONFIRM, "Confirmation"},
+    {RSVP_ERROR_ADMISSION, "Admission Control Failure "},
+    {RSVP_ERROR_POLICY, "Policy Control Failure"},
+    {RSVP_ERROR_NO_PATH, "No PATH information for this RESV message"},
+    {RSVP_ERROR_NO_SENDER, "No sender information for this RESV message"},
+    {RSVP_ERROR_CONFLICT_RESV_STYLE, "Conflicting reservation styles"},
+    {RSVP_ERROR_UNKNOWN_RESV_STYLE, "Unknown reservation style"},
+    {RSVP_ERROR_CONFLICT_DEST_PORTS, "Conflicting destination ports"},
+    {RSVP_ERROR_CONFLICT_SRC_PORTS, "Conflicting source ports"},
+    {RSVP_ERROR_PREEMPTED, "Service preempted"},
+    {RSVP_ERROR_UNKNOWN_CLASS, "Unknown object class"},
+    {RSVP_ERROR_UNKNOWN_C_TYPE, "Unknown object C-type"},
+    {RSVP_ERROR_TRAFFIC, "Traffic Control Error"},
+    {RSVP_ERROR_TRAFFIC_SYSTEM, "Traffic Control System Error"}
+};
+
+/*
+ * Defines the reservation style plus style-specific information that
+ * is not a FLOWSPEC or FILTER_SPEC object, in a RESV message.
+ */
+#define RSVP_DISTINCT (1 << 3)
+#define RSVP_SHARED (2 << 3)
+#define RSVP_SHARING_MASK (RSVP_DISTINCT | RSVP_SHARED)
+
+#define RSVP_SCOPE_WILD 1
+#define RSVP_SCOPE_EXPLICIT 2
+#define RSVP_SCOPE_MASK 0x07
+
+#define RSVP_WF (RSVP_SHARED | RSVP_SCOPE_WILD)
+#define RSVP_FF (RSVP_DISTINCT | RSVP_SCOPE_EXPLICIT)
+#define RSVP_SE (RSVP_SHARED | RSVP_SCOPE_EXPLICIT)
+
+static value_string style_vals[] = {
+    { RSVP_WF, "Wildcard Filter" },
+    { RSVP_FF, "Fixed Filter" },
+    { RSVP_SE, "Shared-Explicit" }
+};
+
+/*
+ * Defines a desired QoS, in a RESV message.
+ */
+enum    qos_service_type {
+    QOS_CONTROLLED_LOAD=    5,		/* Controlled Load Service */
+    QOS_GUARANTEED =        2,		/* Guaranteed service */
+    QOS_DEFAULT		 =  1,		/* Default general parameters */
+    QOS_TSPEC =             0,		/* Traffic specification */
+    QOS_UNSPECIFIED =	    -1		/* unspecified */
+    };
+
+static value_string qos_vals[] = {
+    { QOS_CONTROLLED_LOAD, "Controlled-load QoS" },
+    { QOS_GUARANTEED, "Guaranteed rate QoS" },
+    { QOS_DEFAULT, "Default general parameters" },
+    { QOS_UNSPECIFIED, "Unspecified QoS" },
+    { QOS_TSPEC, "Traffic specification" },
+};
+
+static value_string svc_vals[] = {
+    { 127, "Token bucket TSpec" },
+    { 130, "Guaranteed-rate RSpec" }
+};
+
+enum rsvp_spec_types { INTSRV = 2 };
+
+enum intsrv_services {
+	INTSRV_GENERAL = 1,
+	INTSRV_GTD = 2,
+	INTSRV_CLOAD = 5
+};
+
+enum intsrv_field_name {
+	INTSRV_NON_IS_HOPS = 1, INTSRV_COMPOSED_NON_IS_HOPS,
+	INTSRV_IS_HOPS, INTSRV_COMPOSED_IS_HOPS,
+	INTSRV_PATH_BANDWIDTH, INTSRV_MIN_PATH_BANDWIDTH,
+	INTSRV_IF_LATENCY, INTSRV_PATH_LATENCY,
+	INTSRV_MTU, INTSRV_COMPOSED_MTU,
+
+	INTSRV_TOKEN_BUCKET_TSPEC = 127,
+	INTSRV_GTD_RSPEC = 130,
+
+    	INTSRV_DELAY = 131,	/* Gtd Parameter C - Max Delay Bound - bytes */
+	INTSRV_MAX_JITTER,	/* Gtd Parameter D - Max Jitter */
+    	INTSRV_E2E_DELAY,	/* Gtd Parameter Ctot */
+	INTSRV_E2E_MAX_JITTER,	/* Gtd Parameter Dtot */
+    	INTSRV_SHP_DELAY,	/* Gtd Parameter Csum */
+	INTSRV_SHP_MAX_JITTER	/* Gtd Parameter Dsum */
+};
+
+/*------------------------------*
+ * Object definitions
+ *------------------------------*/
+
+/*
+ * Base RSVP object
+ */
+typedef struct {
+    unsigned short length;
+    unsigned char class;	
+    unsigned char type;
+    unsigned char data[0];
+} rsvp_object;
+
+/*
+ * RSVP message header
+ */
+
+typedef struct {
+    unsigned char    ver_flags;			/* RSVP Version & flags */
+    unsigned char    message_type;		/* type of message */
+    unsigned short   cksum;			/* IP Checksum */
+    unsigned char    sending_ttl;		/* ttl of message */
+    unsigned char    reserved_byte;		/* reserved */
+    unsigned short   rsvp_length;		/* length of RSVP data */
+    rsvp_object rsvp_first_object[0];
+} rsvp_header;
+
+/*
+ * NULL object 
+*/
+typedef struct {
+    rsvp_object base;
+} rsvp_null;
+
+/*
+ * SESSION object
+ */
+typedef struct {
+    rsvp_object base;
+    unsigned long destination;
+    unsigned char protocol;
+    unsigned char flags;
+    unsigned short port;
+} rsvp_session_ipv4;
+
+typedef struct {
+    rsvp_object base;
+    struct e_in6_addr destination;
+    unsigned char protocol;
+    unsigned char flags;
+    unsigned short port;
+} rsvp_session_ipv6;
+
+/*
+ * HOP object
+ * Can be a PHOP or a NHOP
+ */
+typedef struct {
+    rsvp_object base;
+    unsigned long neighbor;
+    unsigned long lif_handle;
+} rsvp_hop_ipv4;
+
+typedef struct {
+    rsvp_object base;
+    struct e_in6_addr neighbor;
+    unsigned long lif_handle;
+} rsvp_hop_ipv6;
+
+/*
+ * TIME_VALUES object
+ */
+typedef struct {
+    rsvp_object base;
+    long refresh_ms;
+} rsvp_time_values;
+
+/*
+ * ERROR object
+ */
+typedef struct {
+    rsvp_object base;
+    unsigned long error_node;
+    unsigned char flags;
+    unsigned char error_code;
+    unsigned short error_value;
+} rsvp_error_ipv4;
+
+typedef struct {
+    rsvp_object base;
+    struct e_in6_addr error_node;
+    unsigned char flags;
+    unsigned char error_code;
+    unsigned short error_value;
+} rsvp_error_ipv6;
+
+/*
+ * CONFIRM object
+ */
+typedef struct {
+    rsvp_object base;
+    unsigned long receiver;
+} rsvp_confirm_ipv4;
+
+typedef struct {
+    rsvp_object base;
+    struct e_in6_addr receiver;
+} rsvp_confirm_ipv6;
+
+/*
+ * SCOPE object
+ */
+typedef struct {
+    rsvp_object base;
+    unsigned long source[0];
+} rsvp_scope;
+
+/*
+ * STYLE object
+ */
+typedef struct {
+    rsvp_object base;
+    unsigned long reservation_type;
+} rsvp_style;
+
+/*
+ * Defines a subset of session data packets that should receive the
+ * desired QoS (specified by an FLOWSPEC object), in a RESV message.
+ */
+typedef struct {
+    rsvp_object base;
+    unsigned long source;			/* source sending data */
+    unsigned short unused;
+    unsigned short udp_source_port;		/* port number */
+} rsvp_filter_ipv4;
+
+/*
+ * Contains a sender IP address and perhaps some additional
+ * demultiplexing information to identify a sender, in a PATH
+ * message.
+ */
+typedef struct {
+    rsvp_object base;
+    unsigned long source;			/* source sending data */
+    unsigned short __reserved;
+    unsigned short source_port;		/* port number */
+} rsvp_template_ipv4;
+
+typedef struct {
+    rsvp_object base;
+    struct e_in6_addr source;			/* source sending data */
+    unsigned short __reserved;
+    unsigned short source_port;		/* port number */
+} rsvp_template_ipv6;
+
+/*
+ * Subobjects for Integrated Services
+ */
+
+typedef struct {
+    rsvp_object base;
+    unsigned char	version;	
+    unsigned char 	__reserved_;
+    unsigned short	length_in_words;
+					
+    unsigned char	service_header;
+    unsigned char	_reserved;
+    unsigned short	service_length;	
+    unsigned char	param_id;
+    unsigned char	flags_tspec;
+    unsigned short	parameter_length;
+
+    unsigned long	rate;
+    unsigned long	depth;
+    unsigned long	peak;
+    unsigned long	min_unit;
+    unsigned long	max_unit;
+} IS_tspec; /* RFC2210 */
+
+typedef struct {
+    rsvp_object base;
+    unsigned char	version;	
+    unsigned char 	__reserved_;
+    unsigned short	length_in_words;
+					
+    unsigned char	service_header;
+    unsigned char	_reserved;
+    unsigned short	service_length;	
+    unsigned char	param_id;
+    unsigned char	flags_tspec;
+    unsigned short	parameter_length;
+
+    unsigned long	rate;
+    unsigned long	depth;
+    unsigned long	peak;
+    unsigned long	min_unit;
+    unsigned long	max_unit;
+
+    unsigned char	param_id_rspec;
+    unsigned char	flags_rspec;
+    unsigned short	param2_length;
+    unsigned long	requested_rate;
+    unsigned long	slack;
+} IS_flowspec; /* RFC 2210 */
+
+/*
+ * ADSPEC objects */
+
+typedef struct {
+    unsigned char service_num;
+    unsigned char break_bit;
+    unsigned short length;
+} service_hdr;
+
+static value_string adspec_services[] = { 
+    {1, "Default General Parameters"},
+    {2, "Guaranteed"},
+    {5, "Controlled Load"},
+};
+
+typedef struct {
+    unsigned char id;
+    unsigned char flags;
+    unsigned short length;
+    unsigned long dataval;
+} param_hdr;
+    
+static value_string adspec_params[] = { 
+    {4, "IS Hop Count"},
+    {6, "Path b/w estimate"},
+    {8, "Minimum path latency"},
+    {10, "Composed MTU"},
+    {133, "End-to-end composed value for C"},
+    {134, "End-to-end composed value for D"},
+    {135, "Since-last-reshaping point composed C"},
+    {136, "Since-last-reshaping point composed D"},
+};
+
+
+
+#endif