* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- * Ref: 3GPP TS 29.274 version 8.0.0 Release 8, ETSI TS 129 274 V8.0.0 (2009-01)
+ * Ref: 3GPP TS 29.274 version 8.1.1 Release 8 ETSI TS 129 274 V8.1.1 (2009-04)
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
#include <glib.h>
#include <epan/packet.h>
#include <epan/asn1.h>
+#include <epan/expert.h>
#include "packet-gsm_a_common.h"
#include "packet-gsm_map.h"
+#include "packet-e164.h"
#include "packet-e212.h"
+/*GTPv2 Message->GTP Header(SB)*/
static int proto_gtpv2 = -1;
static int hf_gtpv2_flags = -1;
static int hf_gtpv2_version = -1;
static int hf_gtpv2_teid = -1;
static int hf_gtpv2_seq = -1;
static int hf_gtpv2_spare = -1;
+
+
static int hf_gtpv2_ie = -1;
static int hf_gtpv2_ie_len = -1;
static int hf_gtpv2_cr = -1;
static int hf_gtpv2_instance = -1;
static int hf_gtpv2_cause = -1;
+static int hf_gtpv2_cause_cs= -1;
static int hf_gtpv2_rec = -1;
static int hf_gtpv2_apn = -1;
static int hf_gtpv2_ebi = -1;
static gint ett_gtpv2 = -1;
static gint ett_gtpv2_flags = -1;
static gint ett_gtpv2_ie = -1;
-
-
+static gint ett_gtpv2_bearer_ctx = -1;
+
+static int hf_gtpv2_selec_mode= -1;
+
+static int hf_gtpv2_f_teid_v4= -1;
+static int hf_gtpv2_f_teid_v6= -1;
+static int hf_gtpv2_f_teid_interface_type= -1;
+static int hf_gtpv2_f_teid_gre_key= -1;
+static int hf_gtpv2_f_teid_ipv4= -1;
+static int hf_gtpv2_f_teid_ipv6= -1;
+static int hf_gtpv2_imsi= -1;
+
+static int hf_gtpv2_ambr_up= -1;
+static int hf_gtpv2_ambr_down= -1;
+static int hf_gtpv2_ip_address_ipv4= -1;
+static int hf_gtpv2_ip_address_ipv6= -1;
+static int hf_gtpv2_mei= -1;
+static int hf_gtpv2_address_digits = -1;
+
+static int hf_gtpv2_bearer_qos_pvi= -1;
+static int hf_gtpv2_bearer_qos_pl= -1;
+static int hf_gtpv2_bearer_qos_pci= -1;
+static int hf_gtpv2_bearer_qos_label_qci= -1;
+static int hf_gtpv2_bearer_qos_mbr_up= -1;
+static int hf_gtpv2_bearer_qos_mbr_down= -1;
+static int hf_gtpv2_bearer_qos_gbr_up= -1;
+static int hf_gtpv2_bearer_qos_gbr_down= -1;
+static int hf_gtpv2_flow_qos_label_qci= -1;
+static int hf_gtpv2_flow_qos_mbr_up= -1;
+static int hf_gtpv2_flow_qos_mbr_down= -1;
+static int hf_gtpv2_flow_qos_gbr_up= -1;
+static int hf_gtpv2_flow_qos_gbr_down= -1;
+
+static int hf_gtpv2_delay_value= -1;
+static int hf_gtpv2_charging_id= -1;
+static int hf_gtpv2_charging_characteristic= -1;
+static int hf_gtpv2_bearer_flag= -1;
+static int hf_gtpv2_ue_time_zone= -1;
+static int hf_gtpv2_ue_time_zone_dst= -1;
+
+static int hf_gtpv2_node_type= -1;
+
+static int hf_gtpv2_b_tft_opcode= -1;
+static int hf_gtpv2_b_tft_ebit= -1;
+static int hf_gtpv2_b_tft_number= -1;
+static int hf_gtpv2_b_tft_pf_id= -1;
+static int hf_gtpv2_b_tft_pf_direction= -1;
+static int hf_gtpv2_b_tft_pf_eval= -1;
+static int hf_gtpv2_b_tft_pf_length= -1;
+static int hf_gtpv2_b_tft_pf_comp_type= -1;
+static int hf_gtpv2_b_tft_pf_ipv4= -1;
+static int hf_gtpv2_b_tft_pf_ipv4_mask= -1;
+static int hf_gtpv2_b_tft_pf_ipv6= -1;
+static int hf_gtpv2_b_tft_pf_ipv6_mask= -1;
+static int hf_gtpv2_b_tft_pf_prot_id= -1;
+static int hf_gtpv2_b_tft_pf_single_local= -1;
+static int hf_gtpv2_b_tft_pf_local_port_low= -1;
+static int hf_gtpv2_b_tft_pf_local_port_high= -1;
+static int hf_gtpv2_b_tft_pf_single_remote= -1;
+static int hf_gtpv2_b_tft_pf_remote_port_low= -1;
+static int hf_gtpv2_b_tft_pf_remote_port_high= -1;
+static int hf_gtpv2_b_tft_pf_security= -1;
+static int hf_gtpv2_b_tft_pf_service_type= -1;
+static int hf_gtpv2_b_tft_pf_service_type_mask= -1;
+static int hf_gtpv2_b_tft_pf_flow_label= -1;
+static int hf_gtpv2_apn_rest= -1;
+static int hf_gtpv2_pti= -1;
+static int hf_gtpv2_uli_cgi_lac= -1;
+static int hf_gtpv2_uli_cgi_ci= -1;
+static int hf_gtpv2_uli_sai_lac= -1;
+static int hf_gtpv2_uli_sai_sac= -1;
+static int hf_gtpv2_uli_rai_lac= -1;
+static int hf_gtpv2_uli_rai_rac= -1;
+static int hf_gtpv2_uli_tai_tac= -1;
+static int hf_gtpv2_uli_ecgi_eci= -1;
+static int hf_gtpv2_bearer_control_mode= -1;
+
+static void dissect_gtpv2_ie_common(tvbuff_t * tvb, packet_info * pinfo _U_, proto_tree * tree, gint offset);
+
+/*Message Types for GTPv2 (Refer Pg19 29.274) (SB)*/
static const value_string gtpv2_message_type_vals[] = {
- {0, "Reserved"},
- {1, "Echo Request"},
- {2, "Echo Response"},
- {4, "Version Not Supported Indication"},
- /* 4-24 Reserved for S101 interface TS 29.276 */
- /* 25-31 Reserved for Sv interface TS 29.280 */
- {32, "Create Session Request"},
- {33, "Create Session Response"},
- {34, "Update User Plane Request"},
- {35, "Update User Plane Response"},
- {36, "Modify Bearer Request"},
- {37, "Modify Bearer Response"},
- {38, "Delete Session Request"},
- {39, "Delete Session Response"},
- {40, "Change Notification Request"},
- {41, "Change Notification Response"},
- /* 42-63 For future use */
- /* Messages without explicit response */
- {64, "Modify Bearer Command"}, /* (MME/SGSN to PGW -S11/S4, S5/S8) */
- {65, "Modify Bearer Failure Indication"}, /*(PGW to MME/SGSN -S5/S8, S11/S4) */
- {66, "Delete Bearer Command"}, /* (MME to PGW -S11, S5/S8) */
- {67, "Delete Bearer Failure Indication"}, /* (PGW to MME -S5/S8, S11) */
- {68, "Bearer Resource Command"}, /* (MME/SGSN to PGW -S11/S4, S5/S8) */
- {69, "Bearer Resource Failure Indication"}, /* (PGW to MME/SGSN -S5/S8, S11/S4) */
- {70, "Downlink Data Notification Failure Indication"}, /*(SGSN/MME to SGW -S4/S11) */
- /* 71-94 For future use PDN-GW to SGSN/MME (S5/S8, S4/S11) */
- {95, "Create Bearer Request "},
- {96, "Create Bearer Response "},
- {97, "Update Bearer Request "},
- {98, "Update Bearer Response "},
- {99, "Delete Bearer Request "},
- {100, "Delete Bearer Response "},
- /* 101-127 For future use MME to MME, SGSN to MME, MME to SGSN, SGSN to SGSN (S3/10/S16) */
- {128, "Identification Request "},
- {129, "Identification Response "},
- {130, "Context Request "},
- {131, "Context Response "},
- {132, "Context Acknowledge "},
- {133, "Forward Relocation Request "},
- {134, "Forward Relocation Response "},
- {135, "Forward Relocation Complete Notification "},
- {136, "Forward Relocation Complete Acknowledge "},
- {137, "Forward SRNS Context Notification "},
- {138, "Forward SRNS Context Acknowledge "},
- {139, "Relocation Cancel Request "},
- {140, "Relocation Cancel Response "},
- /* 141-148 For future use SGSN to MME, MME to SGSN (S3) */
- {149, "Detach Notification "},
- {150, "Detach Acknowledge "},
- {151, "CS Paging Indication "},
- /* 152-159 For future use */
- {160, "Create Forwarding Tunnel Request "},
- {161, "Create Forwarding Tunnel Response "},
- {162, "Suspend Notification "},
- {163, "Suspend Acknowledge "},
- {164, "Resume Notification "},
- {165, "Resume Acknowledge "},
- {166, "Create Indirect Data Forwarding Tunnel Request "},
- {167, "Create Indirect Data Forwarding Tunnel Response "},
- /* 168-175 For future use SGW to SGSN/MME (S4/S11) */
- {176, "Downlink Data Notification "},
- {177, "Downlink Data Notification Acknowledgement "},
- {178, "Update Bearer Complete "},
- /* 179-191 For future use */
- /* Other */
- /* 192-244 For future use */
- /* 245-255 Reserved for GTP-U TS 29.281 [13] */
+ {0, "Reserved"},
+ {1, "Echo Request"},
+ {2, "Echo Response"},
+ {3, "Version Not Supported Indication"},
+ /* 4-24 Reserved for S101 interface TS 29.276 */
+ /* 25-31 Reserved for Sv interface TS 29.280 */
+ /* SGSN/MME to PGW (S4/S11, S5/S8) */
+ {32, "Create Session Request"},
+ {33, "Create Session Response"},
+ {34, "Modify Bearer Request"},
+ {35, "Modify Bearer Response"},
+ {36, "Delete Session Request"},
+ {37, "Delete Session Response"},
+ /* SGSN to PGW (S4, S5/S8) */
+ {38, "Change Notification Request"},
+ {39, "Change Notification Response"},
+ /* 40-63 For future use */
+ /* Messages without explicit response */
+ {64, "Modify Bearer Command"}, /* (MME/SGSN to PGW -S11/S4, S5/S8) */
+ {65, "Modify Bearer Failure Indication"}, /*(PGW to MME/SGSN -S5/S8, S11/S4) */
+ {66, "Delete Bearer Command"}, /* (MME to PGW -S11, S5/S8) */
+ {67, "Delete Bearer Failure Indication"}, /* (PGW to MME -S5/S8, S11) */
+ {68, "Bearer Resource Command"}, /* (MME/SGSN to PGW -S11/S4, S5/S8) */
+ {69, "Bearer Resource Failure Indication"}, /* (PGW to MME/SGSN -S5/S8, S11/S4) */
+ {70, "Downlink Data Notification Failure Indication"}, /*(SGSN/MME to SGW -S4/S11) */
+ {71, "Trace Session Activation"},
+ {72, "Trace Session Deactivation"},
+ {73, "Stop Paging Indication"},
+ /* 74-94 For future use */
+ /* PDN-GW to SGSN/MME (S5/S8, S4/S11) */
+ {95, "Create Bearer Request"},
+ {96, "Create Bearer Response"},
+ {97, "Update Bearer Request"},
+ {98, "Update Bearer Response"},
+ {99, "Delete Bearer Request"},
+ {100, "Delete Bearer Response"},
+ /* PGW to MME, MME to PGW, SGW to PGW, SGW to MME (S5/S8, S11) */
+ {101, "Delete PDN Connection Set Request"},
+ {102, "Delete PDN Connection Set Response"},
+ /* 103-127 For future use */
+ /* MME to MME, SGSN to MME, MME to SGSN, SGSN to SGSN (S3/10/S16) */
+ {128, "Identification Request"},
+ {129, "Identification Response"},
+ {130, "Context Request"},
+ {131, "Context Response"},
+ {132, "Context Acknowledge"},
+ {133, "Forward Relocation Request"},
+ {134, "Forward Relocation Response"},
+ {135, "Forward Relocation Complete Notification"},
+ {136, "Forward Relocation Complete Acknowledge"},
+ {137, "Forward Access Context Notification"},
+ {138, "Forward Access Context Acknowledge"},
+ {139, "Relocation Cancel Request"},
+ {140, "Relocation Cancel Response"},
+ {141, "Configuration Transfer Tunnel"},
+ /* 142-148 For future use */
+ /* SGSN to MME, MME to SGSN (S3)*/
+ {149, "Detach Notification"},
+ {150, "Detach Acknowledge"},
+ {151, "CS Paging Indication"},
+ {152, "RAN Information Relay"},
+ /* 153-159 For future use */
+ /* MME to SGW (S11) */
+ {160, "Create Forwarding Tunnel Request"},
+ {161, "Create Forwarding Tunnel Response"},
+ {162, "Suspend Notification"},
+ {163, "Suspend Acknowledge"},
+ {164, "Resume Notification"},
+ {165, "Resume Acknowledge"},
+ {166, "Create Indirect Data Forwarding Tunnel Request"},
+ {167, "Create Indirect Data Forwarding Tunnel Response"},
+ {168, "Delete Indirect Data Forwarding Tunnel Request"},
+ {169, "Delete Indirect Data Forwarding Tunnel Response"},
+ {170, "Release Access Bearers Request"},
+ {171, "Release Access Bearers Response"},
+ /* 172-175 For future use */
+ /* SGW to SGSN/MME (S4/S11) */
+ {176, "Downlink Data Notification "},
+ {177, "Downlink Data Notification Acknowledgement"},
+ /* SGW to SGSN (S4) */
+ {178, "Update Bearer Complete "},
+ /* 179-191 For future use */
+ /* Other */
+ /* 192-244 For future use */
+ /* 245-255 Reserved for GTP-U TS 29.281 [13] */
{0, NULL}
};
-#define GTPV2_IE_RESERVED 0
-#define GTPV2_IE_IMSI 1
-#define GTPV2_IE_CAUSE 2
-#define GTPV2_REC_REST_CNT 3
-#define GTPV2_APN 71
-#define GTPV2_EBI 73
-#define GTPV2_IE_MSISDN 76
-#define GTPV2_INDICATION 77
-#define GTPV2_PCO 78
-#define GTPV2_PAA 79
-#define GTPV2_BEARER_QOS 80
-#define GTPV2_FLOW_QOS 81
-#define GTPV2_IE_RAT_TYPE 82
-#define GTPV2_IE_SERV_NET 83
-#define GTPV2_TEID 84
-#define GTPV2_ULI 87
-#define GTPV2_F_TEID 88
-#define GTPV2_G_CN_ID 90
-#define GTPV2_DELAY_VALUE 94
-#define GTPV2_BEARER_CTX 96
-#define GTPV2_IE_CNG_REP_ACT 139
+#define GTPV2_IE_RESERVED 0
+#define GTPV2_IE_IMSI 1
+#define GTPV2_IE_CAUSE 2
+#define GTPV2_REC_REST_CNT 3
+#define GTPV2_APN 71
+#define GTPV2_AMBR 72
+#define GTPV2_EBI 73
+#define GTPV2_IP_ADDRESS 74
+#define GTPV2_MEI 75
+#define GTPV2_IE_MSISDN 76
+#define GTPV2_INDICATION 77
+#define GTPV2_PCO 78
+#define GTPV2_PAA 79
+#define GTPV2_BEARER_QOS 80
+#define GTPV2_FLOW_QOS 81
+#define GTPV2_IE_RAT_TYPE 82
+#define GTPV2_IE_SERV_NET 83
+#define GTPV2_BEARER_TFT 84
+#define GTPV2_TAD 85
+#define GTPV2_ULI 86
+#define GTPV2_F_TEID 87
+#define GTPV2_G_CN_ID 89
+#define GTPV2_DELAY_VALUE 92
+#define GTPV2_BEARER_CTX 93
+#define GTPV2_CHARGING_ID 94
+#define GTPV2_CHARGING_CHARACTERISTIC 95
+#define GTPV2_BEARER_FLAG 97
+#define GTPV2_PDN_TYPE 99
+#define GTPV2_PTI 100
+#define GTPV2_UE_TIME_ZONE 114
+#define GTPV2_APN_RESTRICTION 127
+#define GTPV2_SELEC_MODE 128
+#define GTPV2_BEARER_CONTROL_MODE 130
+#define GTPV2_CNG_REP_ACT 131
+#define GTPV2_NODE_TYPE 135
+
+#define SPARE 0X0
+#define CREATE_NEW_TFT 0X20
+#define DELETE_TFT 0X40
+#define ADD_PACKET_FILTERS_TFT 0X60
+#define REPLACE_PACKET_FILTERS_TFT 0X80
+#define DELETE_PACKET_FILTERS_TFT 0XA0
+#define NO_TFT_OPERATION 0XC0
+#define RESERVED 0XE0
+
/* Table 8.1-1: Information Element types for GTPv2 */
static const value_string gtpv2_element_type_vals[] = {
- {0, "Reserved"},
- {1, "International Mobile Subscriber Identity (IMSI)"}, /* Extendable / 8.3 */
- {2, "Cause (without embedded offending IE)"}, /* Extendable / 8.4 */
- {3, "Recovery (Restart Counter)"}, /* Extendable / 8.5 */
- /* 4-50 Reserved for S101 interface Extendable / See 3GPP TS 29.276 [14] */
- /* 51-70 Reserved for Sv interface Extendable / See 3GPP TS 29.280 [15] */
- {71, "Access Point Name (APN)"}, /* Extendable / 8.6 */
- {72, "Aggregate Maximum Bit Rate (AMBR)"}, /* Extendable / 8.7 */
- {73, "EPS Bearer ID (EBI)"}, /* Extendable / 8.8 */
- {74, "IP Address"}, /* Extendable / 8.9 */
- {75, "Mobile Equipment Identity (MEI)"}, /* Extendable / 8.10 */
- {76, "MSISDN"}, /* Extendable / 8.11 */
- {77, "Indication"}, /* Extendable / 8.12 */
- {78, "Protocol Configuration Options (PCO)"}, /* Extendable / 8.13 */
- {79, "PDN Address Allocation (PAA)"}, /* Extendable / 8.14 */
- {80, "Bearer Level Quality of Service (Bearer QoS)"}, /* Extendable / 8.15 */
- {81, "Flow Quality of Service (Flow QoS)"}, /* Extendable / 8.16 */
- {82, "RAT Type"}, /* Extendable / 8.17 */
- {83, "Serving Network"}, /* Extendable / 8.18 */
- {84, "TEID-C"}, /* Extendable / 8.19 */
- /* TEID-U Extendable / 8.19a */
- /* TEID-U with EPS Bearer ID Extendable / 8.19b */
- {85, "EPS Bearer Level Traffic Flow Template (Bearer TFT)"}, /* Extendable / 8.20 */
- {86, "Traffic Aggregation Description (TAD)"}, /* Extendable / 8.21 */
- {87, "User Location Info (ULI)"}, /* Extendable / 8.22 */
- {88, "Fully Qualified Tunnel Endpoint Identifier (F-TEID)"}, /* Extendable / 8.23 */
- {89, "TMSI"}, /* Extendable / 8.24 */
- {90, "Global CN-Id"}, /* Extendable / 8.25 */
- {91, "Legacy Quality of Service (Legacy QoS)"}, /* Extendable / 8.26 */
- {92, "S103 PDN Data Forwarding Info (S103PDF)"}, /* Extendable / 8.27 */
- {93, "S1-U Data Forwarding Info (S1UDF)"}, /* Extendable / 8.28 */
- {94, "Delay Value"}, /* Extendable / 8.29 */
- {95, "Bearer ID List"}, /* Extendable / 8.30 */
- {96, "Bearer Context"}, /* Extendable / 8.31 */
- {97, "S101-IP-Address"}, /* Extendable / 8.32 */
- {98, "S102-IP-Address"}, /* Extendable / 8.33 */
- {99, "Charging ID"}, /* Extendable / 8.34 */
- {100, "Charging Characteristics"}, /* Extendable / 8.35 */
- {101, "Trace Information"}, /* Extendable / 8.36 */
- {102, "Bearer Flags"}, /* Extendable / 8.37 */
- {103, "Paging Cause"}, /* Extendable / 8.38 */
- {104, "PDN Type"}, /* Extendable / 8.39 */
- {105, "Procedure Transaction ID"}, /* Extendable / 8.40 */
- {106, "DRX Parameter"}, /* Extendable / 8.41 */
- {107, "UE Network Capability"}, /* Extendable / 8.42 */
- {108, "PDU Numbers"}, /* Extendable / 8.46 */
- {109, "MM Context (GSM Key and Triplets)"}, /* Extendable / 8.43 */
- {110, "MM Context (UMTS Key, Used Cipher and Quintuplets)"}, /* Extendable / 8.43 */
- {111, "MM Context (GSM Key, Used Cipher and Quintuplets)"}, /* Extendable / 8.43 */
- {112, "MM Context (UMTS Key and Quintuplets)"}, /* Extendable / 8.43 */
- {113, "MM Context (EPS Security Context, Quadruplets and Quintuplets)"}, /* Extendable / 8.43 */
- {114, "MM Context (UMTS Key, Quadruplets and Quintuplets)"}, /* Extendable / 8.43 */
- {115, "PDN Connection"}, /* Extendable / 8.44 */
- {116, "GRE Key"}, /* Extendable / 8.45 */
- {117, "Bearer Control Mode"}, /* Extendable / 8.68 */
- {118, "EPS Bearer Contexts Prioritization (Contexts Prioritization)"}, /* Extendable / 8.47 */
- {119, "LMA IP Address"}, /* Extendable / 8.48 */
- {120, "P-TMSI"}, /* Extendable / 8.49 */
- {121, "P-TMSI Signature"}, /* Extendable / 8.50 */
- {122, "Hop Counter"}, /* Extendable / 8.51 */
- {123, "Authentication Quintuplet"}, /* Extendable / 8.52 */
- {124, "Authentication Quadruplet"}, /* Extendable / 8.53 */
- {125, "Complete Request Message"}, /* Extendable / 8.54 */
- {126, "GUTI"}, /* Extendable / 8.55 */
- {127, "F-Container"}, /* Extendable / 8.56 */
- {128, "F-Cause"}, /* Extendable / 8.57 */
- {129, "Selected PLMN ID"}, /* Extendable / 8.58 */
- {130, "Target Identification"}, /* Extendable / 8.59 */
- {131, "Cell Identification"}, /* Extendable / 8.67 */
- {132, "NSAPI"}, /* Extendable / 8.60 */
- {133, "Packet Flow ID"}, /* Extendable / 8.61 */
- {134, "RAB Context"}, /* Extendable / 8.62 */
- {135, "Source RNC PDCP Context Info"}, /* Extendable / 8.63 */
- {136, "UDP Source Port Number"}, /* Extendable / 8.64 */
- {137, "APN Restriction"}, /* Extendable / 8.65 */
- {138, "Selection Mode"}, /* Extendable / 8.66 */
- {139, "Change Reporting Action"}, /* Extendable / 8.69 */
- {140, "Cause including an embedded offending IE"}, /* Extendable / 8.4 */
- {141, "PDN Connection Set Identifier (CSID)"}, /* Extendable / 8.70 */
- /* 142-254 "Spare."}, */ /* For future use. FFS */
- {255, "Private"}, /* Extension Extendable / 8.71 */
+ {0, "Reserved"},
+ {1, "International Mobile Subscriber Identity (IMSI)"}, /* Variable Length / 8.3 */
+ {2, "Cause"}, /* Variable Length / 8.4 */
+ {3, "Recovery (Restart Counter)"}, /* Variable Length / 8.5 */
+ /* 4-50 Reserved for S101 interface Extendable / See 3GPP TS 29.276 [14] */
+ /* 51-70 Reserved for Sv interface Extendable / See 3GPP TS 29.280 [15] */
+ {71, "Access Point Name (APN)"}, /* Variable Length / 8.6 */
+ {72, "Aggregate Maximum Bit Rate (AMBR)"}, /* Fixed Length / 8.7 */
+ {73, "EPS Bearer ID (EBI)"}, /* Extendable / 8.8 */
+ {74, "IP Address"}, /* Extendable / 8.9 */
+ {75, "Mobile Equipment Identity (MEI)"}, /* Variable Length / 8.10 */
+ {76, "MSISDN"}, /* Variable Length / 8.11 */
+ {77, "Indication"}, /* Extendable / 8.12 */
+ {78, "Protocol Configuration Options (PCO)"}, /* Variable Length / 8.13 */
+ {79, "PDN Address Allocation (PAA)"}, /* Variable Length / 8.14 */
+ {80, "Bearer Level Quality of Service (Bearer QoS)"}, /* Variable Length / 8.15 */
+ {81, "Flow Quality of Service (Flow QoS)"}, /* Extendable / 8.16 */
+ {82, "RAT Type"}, /* Extendable / 8.17 */
+ {83, "Serving Network"}, /* Extendable / 8.18 */
+ {84, "EPS Bearer Level Traffic Flow Template (Bearer TFT)"}, /* Variable Length / 8.19 */
+ {85, "Traffic Aggregation Description (TAD)"}, /* Variable Length / 8.20 */
+ {86, "User Location Info (ULI)"}, /* Variable Length / 8.21 */
+ {87, "Fully Qualified Tunnel Endpoint Identifier (F-TEID)"}, /* Extendable / 8.22 */
+ {88, "TMSI"}, /* Variable Length / 8.23 */
+ {89, "Global CN-Id"}, /* Variable Length / 8.24 */
+ {90, "S103 PDN Data Forwarding Info (S103PDF)"}, /* Variable Length / 8.25 */
+ {91, "S1-U Data Forwarding Info (S1UDF)"}, /* Variable Length/ 8.26 */
+ {92, "Delay Value"}, /* Extendable / 8.27 */
+ {93, "Bearer Context"}, /* Extendable / 8.28 */
+ {94, "Charging ID"}, /* Extendable / 8.29 */
+ {95, "Charging Characteristics"}, /* Extendable / 8.30 */
+ {96, "Trace Information"}, /* Extendable / 8.31 */
+ {97, "Bearer Flags"}, /* Extendable / 8.32 */
+ {98, "Paging Cause"}, /* Variable Length / 8.33 */
+ {99, "PDN Type"}, /* Extendable / 8.34 */
+ {100, "Procedure Transaction ID"}, /* Extendable / 8.35 */
+ {101, "DRX Parameter"}, /* Variable Length/ 8.36 */
+ {102, "UE Network Capability"}, /* Variable Length / 8.37 */
+ {103, "MM Context (GSM Key and Triplets)"}, /* Variable Length / 8.38 */
+ {104, "MM Context (UMTS Key, Used Cipher and Quintuplets)"}, /* Variable Length / 8.38 */
+ {105, "MM Context (GSM Key, Used Cipher and Quintuplets)"}, /* Variable Length / 8.38 */
+ {106, "MM Context (UMTS Key and Quintuplets)"}, /* Variable Length / 8.38 */
+ {107, "MM Context (EPS Security Context, Quadruplets and Quintuplets)"}, /* Variable Length / 8.38 */
+ {108, "MM Context (UMTS Key, Quadruplets and Quintuplets)"}, /* Variable Length / 8.38 */
+ {109, "PDN Connection"}, /* Extendable / 8.39 */
+ {110, "PDU Numbers"}, /* Extendable / 8.40 */
+ {111, "P-TMSI"}, /* Variable Length / 8.41 */
+ {112, "P-TMSI Signature"}, /* Variable Length / 8.42 */
+ {113, "Hop Counter"}, /* Extendable / 8.43 */
+ {114, "UE Time Zone"}, /* Variable Length / 8.44 */
+ {115, "Trace Reference"}, /* Fixed Length / 8.45 */
+ {116, "Complete Request Message"}, /* Variable Length / 8.46 */
+ {117, "GUTI"}, /* Variable Length / 8.47 */
+ {118, "F-Container"}, /* Variable Length / 8.48 */
+ {119, "F-Cause"}, /* Variable Length / 8.49 */
+ {120, "Selected PLMN ID"}, /* Variable Length / 8.50 */
+ {121, "Target Identification"}, /* Variable Length / 8.51 */
+ {122, "NSAPI"}, /* Extendable / 8.52 */
+ {123, "Packet Flow ID"}, /* Variable Length / 8.53 */
+ {124, "RAB Context"}, /* Fixed Length / 8.54 */
+ {125, "Source RNC PDCP Context Info"}, /* Variable Length / 8.55 */
+ {126, "UDP Source Port Number"}, /* Extendable / 8.56 */
+ {127, "APN Restriction"}, /* Extendable / 8.57 */
+ {128, "Selection Mode"}, /* Extendable / 8.58 */
+ {129, "Source Identification"}, /* Variable Length / 8.50 */
+ {130, "Bearer Control Mode"}, /* Extendable / 8.60 */
+ {131, "Change Reporting Action"}, /* Variable Length / 8.61 */
+ {132, "Fully Qualified PDN Connection Set Identifier (FQ-CSID)"}, /* Variable Length / 8.62 */
+ {133, "Channel needed"}, /* Extendable / 8.63 */
+ {134, "eMLPP Priority"}, /* Extendable / 8.64 */
+ {135, "Node Type"}, /* Extendable / 8.65 */
+ {136, "Fully Qualified Domain Name (FQDN)"}, /* Variable Length / 8.66 */
+ {137, "Transaction Identifier (TI)"}, /* Variable Length / 8.68 */
+ /* 138-254 "Spare."}, */ /* For future use. FFS */
+ {255, "Private"}, /* Extension Extendable / 8.71 */
{0, NULL}
};
dissect_gtpv2_unknown(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
+ proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
}
-/*
+/*
* 8.3 International Mobile Subscriber Identity (IMSI)
*
* IMSI is defined in 3GPP TS 23.003
* Editor's note: IMSI coding will be defined in 3GPP TS 24.301
- * Editor's note: In the first release of GTPv2 spec (TS 29.274v8.0.0) n = 8.
+ * Editor's note: In the first release of GTPv2 spec (TS 29.274v8.0.0) n = 8.
* That is, the overall length of the IE is 11 octets.
*/
+
+
+static gchar *imsi_to_str(const guint8 * ad)
+{
+ static gchar str[17] = " ";
+ int i, j = 0;
+
+ for (i = 0; i < 8; i++)
+ {
+ if (((ad[i] >> 4) & 0x0F) <= 9)
+ str[j++] = ((ad[i] >> 4) & 0x0F) + 0x30;
+ if ((ad[i] & 0x0F) <= 9)
+ str[j++] = (ad[i] & 0x0F) + 0x30; /* Adding 0x30(48 decimal) makes it a printable digit (Eg. Ascii value 0f 9 is 57 (9+48))*/
+
+ }
+ str[j] = '\0';
+
+ return str;
+}
+
static void
dissect_gtpv2_imsi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
+ int offset= 0;
+ guint8 imsi_val[8];
+ gchar *imsi_str;
+ tvb_memcpy(tvb, imsi_val, offset , 8);
+ imsi_str = imsi_to_str(imsi_val);
+
+ proto_tree_add_string(tree, hf_gtpv2_imsi, tvb, offset, length, imsi_str);
}
+
/* Table 8.4-1: Cause values */
static const value_string gtpv2_cause_vals[] = {
- {0, "Reserved"},
- {1, "Paging Cause"},
- {2, "Local Detach"},
- {3, "Complete Detach"},
- /* 4-15 Spare. This value range is reserved for Cause values in a request message */
- {16, "Request accepted"},
- {17, "Request accepted partially"},
- {18, "New PDN type due to subscription limitation"},
- {19, "New PDN type due to network preference"},
- {20, "New PDN type due to single address bearer only"},
- /* 21-63 Spare. This value range is reserved for Cause values in acceptance response message */
- {64, "Context Non Existent/Found"},
- {65, "Invalid Message Format"},
- {66, "Version not supported by next peer"},
- {67, "Invalid length"},
- {68, "Service not supported"},
- {69, "Mandatory IE incorrect"},
- {70, "Mandatory IE missing"},
- {71, "Optional IE incorrect"},
- {72, "System failure"},
- {73, "No resources available"},
- {74, "Semantic error in the TFT operation"},
- {75, "Syntactic error in the TFT operation"},
- {76, "Semantic errors in packet filter(s)"},
- {77, "Syntactic errors in packet filter(s)"},
- {78, "Missing or unknown APN"},
- {79, "Unexpected repeated IE"},
- {80, "GRE key not found"},
- {81, "Reallocation failure"},
- {82, "Denied in RAT"},
- {83, "Preferred PDN type not supported"},
- {84, "All dynamic addresses are occupied"},
- {85, "UE context without TFT already activated"},
- {86, "Protocol type not supported"},
- {87, "UE not responding"},
- {88, "UE refuses"},
- {89, "Service denied"},
- {90, "Unable to page UE"},
- {91, "No memory available"},
- {92, "User authentication failed"},
- {93, "APN access denied - no subscription"},
- /* 94-255 Spare. This value range is reserved for Cause values in rejection response message */
+ {0, "Reserved"},
+ /* Request */
+ {1, "Paging Cause"},
+ {2, "Local Detach"},
+ {3, "Complete Detach"},
+ {4, "RAT changed from 3GPP to Non-3GPP"},
+ {5, "ISR is activated"},
+ /* 6-15 Spare. This value range is reserved for Cause values in a request message */
+ /* Acceptance Response */
+ {16, "Request accepted"},
+ {17, "Request accepted partially"},
+ {18, "New PDN type due to network preference"},
+ {19, "New PDN type due to single address bearer only"},
+ /* 20-63 Spare. This value range is reserved for Cause values in acceptance response message */
+ /* Rejection Response */
+ {64, "Context Not Found"},
+ {65, "Invalid Message Format"},
+ {66, "Version not supported by next peer"},
+ {67, "Invalid length"},
+ {68, "Service not supported"},
+ {69, "Mandatory IE incorrect"},
+ {70, "Mandatory IE missing"},
+ {71, "Optional IE incorrect"},
+ {72, "System failure"},
+ {73, "No resources available"},
+ {74, "Semantic error in the TFT operation"},
+ {75, "Syntactic error in the TFT operation"},
+ {76, "Semantic errors in packet filter(s)"},
+ {77, "Syntactic errors in packet filter(s)"},
+ {78, "Missing or unknown APN"},
+ {79, "Unexpected repeated IE"},
+ {80, "GRE key not found"},
+ {81, "Reallocation failure"},
+ {82, "Denied in RAT"},
+ {83, "Preferred PDN type not supported"},
+ {84, "All dynamic addresses are occupied"},
+ {85, "UE context without TFT already activated"},
+ {86, "Protocol type not supported"},
+ {87, "UE not responding"},
+ {88, "UE refuses"},
+ {89, "Service denied"},
+ {90, "Unable to page UE"},
+ {91, "No memory available"},
+ {92, "User authentication failed"},
+ {93, "APN access denied - no subscription"},
+ {94, "Request rejected"},
+ {95, "P-TMSI Signature mismatch"},
+ {96, "IMSI not known"},
+ {97, "Semantic error in the TAD operation"},
+ {98, "Syntactic error in the TAD operation"},
+ {99, "Reserved Message Value Received"},
+ {100, "PGW not responding"},
+ {101, "Collision with network initiated request"},
+ {102, "Unable to page UE due to Suspension"},
+ {103, "Conditional IE missing"},
+ {104, "APN Restriction type Incompatible with currently active PDN connection"},
+ /* 105-219 Spare. This value range is reserved for Cause values in rejection response message */
+ /* 220-255 Reserved for 3GPP Specific PMIPv6 Error Codes as defined in 3GPP TS 29.275 [26] */
{0, NULL}
};
static void
dissect_gtpv2_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- int offset = 0;
- /* Cause value octet 5 */
- proto_tree_add_item(tree, hf_gtpv2_cause, tvb, offset, 1, FALSE);
- if (length >1)
- proto_tree_add_text(tree, tvb, offset, length, "IE data not dissected yet");
-
+ int offset = 0;
+ /* Cause value octet 5 */
+ proto_tree_add_item(tree, hf_gtpv2_cause, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(tree, hf_gtpv2_cause_cs, tvb, offset, 1, FALSE);
}
+
/*
* 8.5 Recovery (Restart Counter)
*/
static void
dissect_gtpv2_recovery(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- int offset = 0;
- /* */
- proto_tree_add_item(tree, hf_gtpv2_rec, tvb, offset, 1, FALSE);
-
+ int offset = 0;
+ proto_tree_add_item(tree, hf_gtpv2_rec, tvb, offset, 1, FALSE);
}
+
/*
* 8.6 Access Point Name (APN)
*/
static void
dissect_gtpv2_apn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- int offset = 0;
+ int offset = 0;
guint8 *apn = NULL;
int name_len, tmp;
if (length > 0) {
- name_len = tvb_get_guint8(tvb, offset);
-
- if (name_len < 0x20) {
- apn = tvb_get_ephemeral_string(tvb, offset + 1, length - 1);
- for (;;) {
- if (name_len >= length - 1)
- break;
- tmp = name_len;
- name_len = name_len + apn[tmp] + 1;
- apn[tmp] = '.';
- }
- } else{
- apn = tvb_get_ephemeral_string(tvb, offset, length);
- }
- proto_tree_add_string(tree, hf_gtpv2_apn, tvb, offset, length, apn);
+ name_len = tvb_get_guint8(tvb, offset);
+
+ if (name_len < 0x20) {
+ apn = tvb_get_ephemeral_string(tvb, offset + 1, length - 1);
+ for (;;) {
+ if (name_len >= length - 1)
+ break;
+ tmp = name_len;
+ name_len = name_len + apn[tmp] + 1;
+ apn[tmp] = '.';
+ }
+ } else{
+ apn = tvb_get_ephemeral_string(tvb, offset, length);
+ }
+ proto_tree_add_string(tree, hf_gtpv2_apn, tvb, offset, length, apn);
}
}
+
+/*
+ * 8.7 Aggregate Maximum Bit Rate (AMBR) */
+
+static void
+dissect_gtpv2_ambr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+ int offset = 0;
+ proto_tree_add_item(tree, hf_gtpv2_ambr_up, tvb, offset, 4, FALSE);
+ offset= offset + 4;
+ proto_tree_add_item(tree, hf_gtpv2_ambr_down, tvb, offset, 4, FALSE);
+}
+
/*
- * 8.7 Aggregate Maximum Bit Rate (AMBR)
- */
-/*
* 8.8 EPS Bearer ID (EBI)
*/
static void
dissect_gtpv2_ebi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- int offset = 0;
- /* Spare (all bits set to 0) B8 - B5*/
- /* EPS Bearer ID (EBI) B4 - B1 */
- proto_tree_add_item(tree, hf_gtpv2_ebi, tvb, offset, 1, FALSE);
+ int offset = 0;
+ /* Spare (all bits set to 0) B8 - B5*/
+ /* EPS Bearer ID (EBI) B4 - B1 */
+ proto_tree_add_item(tree, hf_gtpv2_ebi, tvb, offset, 1, FALSE);
}
-/*
- * 8.9 IP Address
- * 8.10 Mobile Equipment Identity (MEI)
- */
+/* 8.9 IP Address */
+static void
+dissect_gtpv2_ip_address(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+ int offset = 0;
+ if (length==4)
+ {
+ proto_tree_add_item(tree, hf_gtpv2_ip_address_ipv4, tvb, offset, length, FALSE);
+ }
+ else if (length==16)
+ {
+ proto_tree_add_item(tree, hf_gtpv2_ip_address_ipv6, tvb, offset, length, FALSE);
+ }
+}
+/* 8.10 Mobile Equipment Identity (MEI)*/
+static gchar *mei_to_str(const guint8 * ad)
+{
+ static gchar str[17] = " ";
+ int i, j = 0;
+ for (i = 0; i < 8; i++)
+ {
+ if (((ad[i] >> 4) & 0x0F) <= 9)
+ str[j++] = ((ad[i] >> 4) & 0x0F) + 0x30;
+ if ((ad[i] & 0x0F) <= 9)
+ str[j++] = (ad[i] & 0x0F) + 0x30; /* Adding 0x30(48 decimal) makes it a printable digit (Eg. Ascii value 0f 9 is 57 (9+48))*/
+ }
+ str[j] = '\0';
+ return str;
+}
+
+static void
+dissect_gtpv2_mei(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+ int offset= 0;
+ guint8 mei_val[8];
+ gchar *mei_str;
+ tvb_memcpy(tvb, mei_val, offset , 8);
+ mei_str = mei_to_str(mei_val);
+ proto_tree_add_string(tree, hf_gtpv2_mei, tvb, offset, length, mei_str);
+}
/*
* 8.11 MSISDN
* Editor's note: MSISDN coding will be defined in TS 24.301.
*/
static void
-dissect_gtpv2_msisdn(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+dissect_gtpv2_msisdn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- dissect_gsm_map_msisdn(tvb, pinfo, tree);
+ const char *digit_str;
+ dissect_e164_cc(tvb, tree, 0, TRUE);
+ digit_str = unpack_digits(tvb, 1);
+ proto_tree_add_string(tree, hf_gtpv2_address_digits, tvb, 1, -1, digit_str);
}
/*
static void
dissect_gtpv2_ind(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- int offset = 0;
-
- proto_tree_add_item(tree, hf_gtpv2_daf, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_dtf, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_hi, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_dfi, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_oi, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_isrsi, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_israi, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_sgwci, tvb, offset, 1, FALSE);
- if(length==1){
- proto_tree_add_text(tree, tvb, 0, length, "Older version?, should be 2 octets in 8.0.0");
- return;
- }
-
- offset++;
- proto_tree_add_item(tree, hf_gtpv2_pt, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_tdi, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_si, tvb, offset, 1, FALSE);
- proto_tree_add_item(tree, hf_gtpv2_msv, tvb, offset, 1, FALSE);
-
+ int offset = 0;
+ proto_tree_add_item(tree, hf_gtpv2_daf, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_dtf, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_hi, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_dfi, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_oi, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_isrsi, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_israi, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_sgwci, tvb, offset, 1, FALSE);
+ if(length==1)
+ {
+ proto_tree_add_text(tree, tvb, 0, length, "Older version?, should be 2 octets in 8.0.0");
+ return;
+ }
+ offset++;
+ proto_tree_add_item(tree, hf_gtpv2_pt, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_tdi, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_si, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_msv, tvb, offset, 1, FALSE);
}
+
/*
* 8.13 Protocol Configuration Options (PCO)
* Editor's note: PCO will be defined in 3GPP TS 23.003 and its coding in TS 24.301
- * Dissected in packey-gsm_a_gm.c
+ * Dissected in packet-gsm_a_gm.c
*/
static void
dissect_gtpv2_pco(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- de_sm_pco(tvb, tree, 0, length, NULL, 0);
+ /* pinfo needed */
+ gsm_a_dtap_pinfo = pinfo;
+ de_sm_pco(tvb, tree, 0, length, NULL, 0);
}
+
/*
* 8.14 PDN Address Allocation (PAA)
*/
static const value_string gtpv2_pdn_type_vals[] = {
{1, "IPv4"},
{2, "IPv6"},
- {3, "IPv4/IPv6"},
+ {3, "IPv4/IPv6"},
{0, NULL}
};
static void
dissect_gtpv2_paa(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- int offset = 0;
- guint8 pdn_type;
-
- pdn_type = tvb_get_guint8(tvb, offset);
+ int offset = 0;
+ guint8 pdn_type;
+ pdn_type = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_gtpv2_pdn_type, tvb, offset, 1, FALSE);
- offset++;
-
- switch(pdn_type){
- case 1:
- /* IPv4 */
- proto_tree_add_item(tree, hf_gtpv2_pdn_ipv4, tvb, offset, 4, FALSE);
- offset+=4;
- break;
- case 2:
- /* IPv6*/
- proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6_len, tvb, offset, 1, FALSE);
- offset++;
- proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6, tvb, offset, 16, FALSE);
- offset+=16;
- break;
- case 3:
- /* IPv4/IPv6 */
- proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6_len, tvb, offset, 1, FALSE);
- offset++;
- proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6, tvb, offset, 16, FALSE);
- offset+=16;
- proto_tree_add_item(tree, hf_gtpv2_pdn_ipv4, tvb, offset, 4, FALSE);
- offset+=4;
- break;
- default:
- break;
- }
+ offset++;
+ switch(pdn_type)
+ {
+ case 1:
+ /* IPv4 */
+ proto_tree_add_item(tree, hf_gtpv2_pdn_ipv4, tvb, offset, 4, FALSE);
+ offset+=4;
+ break;
+ case 2:
+ /* IPv6*/
+ proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6_len, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6, tvb, offset, 16, FALSE);
+ offset+=16;
+ break;
+ case 3:
+ /* IPv4/IPv6 */
+ proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6_len, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6, tvb, offset, 16, FALSE);
+ offset+=16;
+ proto_tree_add_item(tree, hf_gtpv2_pdn_ipv4, tvb, offset, 4, FALSE);
+ offset+=4;
+ break;
+ default:
+ break;
+ }
}
/*
* 8.15 Bearer Quality of Service (Bearer QoS)
static void
dissect_gtpv2_bearer_qos(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
+ int offset = 0;
+ proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pvi, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pl, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pci, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(tree, hf_gtpv2_bearer_qos_label_qci, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(tree, hf_gtpv2_bearer_qos_mbr_up, tvb, offset, 5, FALSE);
+ offset= offset+5;
+ proto_tree_add_item(tree, hf_gtpv2_bearer_qos_mbr_down, tvb, offset, 5, FALSE);
+ offset= offset+5;
+ proto_tree_add_item(tree, hf_gtpv2_bearer_qos_gbr_up, tvb, offset, 5, FALSE);
+ offset= offset+5;
+ proto_tree_add_item(tree, hf_gtpv2_bearer_qos_gbr_down, tvb, offset, 5, FALSE);
+ offset= offset+5;
}
+
/*
* 8.16 Flow Quality of Service (Flow QoS)
*/
static void
dissect_gtpv2_flow_qos(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
+ int offset = 0;
+ proto_tree_add_item(tree, hf_gtpv2_flow_qos_label_qci, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(tree, hf_gtpv2_flow_qos_mbr_up, tvb, offset, 5, FALSE);
+ offset= offset+5;
+ proto_tree_add_item(tree, hf_gtpv2_flow_qos_mbr_down, tvb, offset, 5, FALSE);
+ offset= offset+5;
+ proto_tree_add_item(tree, hf_gtpv2_flow_qos_gbr_up, tvb, offset, 5, FALSE);
+ offset= offset+5;
+ proto_tree_add_item(tree, hf_gtpv2_flow_qos_gbr_down, tvb, offset, 5, FALSE);
+ offset= offset+5;
}
+
/*
* 8.17 RAT Type
*/
static const value_string gtpv2_rat_type_vals[] = {
- {0, "Reserved"},
- {1, "UTRAN"},
- {2, "GERAN"},
- {3, "WLAN"},
- {4, "GAN"},
- {5, "HSPA Evolution"},
- {6, "EUTRAN"},
- {0, NULL}
+ {0, "Reserved"},
+ {1, "UTRAN"},
+ {2, "GERAN"},
+ {3, "WLAN"},
+ {4, "GAN"},
+ {5, "HSPA Evolution"},
+ {6, "EUTRAN"},
+ {0, NULL}
};
static void
dissect_gtpv2_rat_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_item(tree, hf_gtpv2_rat_type, tvb, 0, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_rat_type, tvb, 0, 1, FALSE);
}
+
/*
* 8.18 Serving Network
*/
static void
dissect_gtpv2_serv_net(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
-
- dissect_e212_mcc_mnc(tvb, tree, 0);
+ dissect_e212_mcc_mnc(tvb, pinfo, tree, 0, TRUE);
}
+
/*
- * 8.19 Tunnel Endpoint Identifier for Control Plane (TEID-C)
- */
+ * 8.19 EPS Bearer Level Traffic Flow Template (Bearer TFT) */
+
+static const value_string gtpv2_opcode_vals[] = {
+ {0, "Spare"},
+ {1, "Create New TFT"},
+ {2, "Delete Existing TFT"},
+ {3, "Add Packet filters to existing TFT"},
+ {4, "Replace Packet filters in existing TFT"},
+ {5, "Delete Packet filters from existing TFT"},
+ {6, "No TFT Operation"},
+ {7, "Reserved"},
+ {0, NULL}
+};
+static const value_string gtpv2_comp_type_vals[] = {
+ {16, "IPV4 remote address type"},
+ {32, "IPV6 remote address type"},
+ {48, "Protocol Identifier"},
+ {64, "Single local port type"},
+ {65, "Local port range type"},
+ {80, "Single remote port type"},
+ {81, "Remote port range type"},
+ {96, "Security Parameter Index type"},
+ {112, "Type of Service/Traffic class type"},
+ {128, "Flow Label type"},
+ {0, NULL}
+};
+static const value_string gtpv2_direction_vals[] = {
+ {0, "Pre Rel-7 TFT filter"},
+ {1, "Downlink only"},
+ {2, "uplink only"},
+ {3, "bidirectional"},
+ {0, NULL}
+};
+
static void
-dissect_gtpv2_teid(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+dissect_gtpv2_bearer_tft(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
+ int offset= 0,i=0,newoffset2;
+ guint8 number, opcode, ebit, comptype, length1;
+ proto_tree *ie_tree;
+ proto_item *ti;
+ number = tvb_get_guint8(tvb,offset)& 0x0f;
+ opcode = tvb_get_guint8(tvb,offset)& 0xe0;
+ ebit = tvb_get_guint8(tvb,offset)& 0x10;
+ proto_tree_add_item(tree, hf_gtpv2_b_tft_opcode, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_b_tft_number, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_b_tft_ebit, tvb, offset, 1, FALSE);
+ offset++;
+ switch(opcode)
+ {
+ case SPARE:
+ /* Spare */
+ break;
+ case CREATE_NEW_TFT:
+ /* Create New TFT */
+ case ADD_PACKET_FILTERS_TFT:
+ /* Add packet filters to existing TFT */
+ case REPLACE_PACKET_FILTERS_TFT:
+ /*Replace Packet filters in existing TFT */
+ while (i<number)
+ {
+ i++;newoffset2=0;
+ length1 =tvb_get_guint8(tvb,offset+2);
+ ti = proto_tree_add_text(tree, tvb, offset, 3+length1, "Packet Filter %d",i);
+ ie_tree = proto_item_add_subtree(ti, ett_gtpv2_ie);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_id, tvb, offset, 1, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_direction, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_eval, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_length, tvb, offset, 1, FALSE);
+ offset++;
+
+ while (newoffset2<length1)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_comp_type, tvb, offset, 1, FALSE);
+ comptype = tvb_get_guint8(tvb,offset);
+ offset++;
+ newoffset2++;
+ if (comptype==16)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_ipv4, tvb, offset, 4, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_ipv4_mask, tvb, offset, 4, FALSE);
+ offset+=8;
+ newoffset2+=8;
+ }
+ if (comptype==32)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_ipv6, tvb, offset, 16, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_ipv6_mask, tvb, offset, 16, FALSE);
+ offset+=32;
+ newoffset2+=32;
+ }
+ if (comptype==48)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_prot_id, tvb, offset, 1, FALSE);
+ offset+=1;
+ newoffset2+=1;
+ }
+ if (comptype==64)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_single_local, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==65)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_local_port_low, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_local_port_high, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==80)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_single_remote, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==81)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_remote_port_low, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_remote_port_high, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==96)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_security, tvb, offset, 4, FALSE);
+ offset+=4;
+ newoffset2+=4;
+ }
+ if (comptype==112)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_service_type, tvb, offset, 1, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_service_type_mask, tvb, offset, 1, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==128)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_flow_label, tvb, offset, 3, FALSE);
+ offset+=3;
+ newoffset2+=3;
+ }
+ }
+ }
+
+ break;
+ case DELETE_TFT:
+ /* Delete Existing TFT */
+ break;
+
+ case DELETE_PACKET_FILTERS_TFT:
+ /* Delete Packet filters from existing TFT */
+ while (i<number)
+ {
+ i++;
+ ti = proto_tree_add_text(tree, tvb, offset, 1, "Packet Filter %d",i);
+ ie_tree = proto_item_add_subtree(ti, ett_gtpv2_ie);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_id, tvb, offset, 1, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_direction, tvb, offset, 1, FALSE);
+ offset++;
+ }
+ break;
+ case NO_TFT_OPERATION:
+ /* No TFT operation */
+ break;
+ case RESERVED:
+ /* Reserved */
+ break;
+ default:
+ break;
+ }
+
}
-/*
- * 8.19a Tunnel Endpoint Identifier for User Plane (TEID-U)
- * 8.19b Tunnel Endpoint Identifier for User Plane with EBI (TEID-U EBI)
- * 8.20 EPS Bearer Level Traffic Flow Template (Bearer TFT)
- * 8.21 Traffic Aggregate Description (TAD)
+ /* 8.20 Traffic Aggregate Description (TAD)
*/
+static void
+dissect_gtpv2_tad(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+ int offset= 0,i=0,newoffset2;
+ guint8 number, opcode, ebit, comptype, length1;
+ proto_tree *ie_tree;
+ proto_item *ti;
+ number = tvb_get_guint8(tvb,offset)& 0x0f;
+ opcode = tvb_get_guint8(tvb,offset)& 0xe0;
+ ebit = tvb_get_guint8(tvb,offset)& 0x10;
+ proto_tree_add_item(tree, hf_gtpv2_b_tft_opcode, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_b_tft_number, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_b_tft_ebit, tvb, offset, 1, FALSE);
+ offset++;
+ switch(opcode)
+ {
+ case SPARE:
+ /* Spare */
+ break;
+ case CREATE_NEW_TFT:
+ /* Create New TFT */
+ case ADD_PACKET_FILTERS_TFT:
+ /* Add packet filters to existing TFT */
+ case REPLACE_PACKET_FILTERS_TFT:
+ /*Replace Packet filters in existing TFT */
+ while (i<number)
+ {
+ i++;newoffset2=0;
+ length1 =tvb_get_guint8(tvb,offset+2);
+ ti = proto_tree_add_text(tree, tvb, offset, 3+length1, "Packet Filter %d",i);
+ ie_tree = proto_item_add_subtree(ti, ett_gtpv2_ie);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_id, tvb, offset, 1, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_direction, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_eval, tvb, offset, 1, FALSE);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_length, tvb, offset, 1, FALSE);
+ offset++;
+
+ while (newoffset2<length1)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_comp_type, tvb, offset, 1, FALSE);
+ comptype = tvb_get_guint8(tvb,offset);
+ offset++;
+ newoffset2++;
+ if (comptype==16)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_ipv4, tvb, offset, 4, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_ipv4_mask, tvb, offset, 4, FALSE);
+ offset+=8;
+ newoffset2+=8;
+ }
+ if (comptype==32)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_ipv6, tvb, offset, 16, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_ipv6_mask, tvb, offset, 16, FALSE);
+ offset+=32;
+ newoffset2+=32;
+ }
+ if (comptype==48)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_prot_id, tvb, offset, 1, FALSE);
+ offset+=1;
+ newoffset2+=1;
+ }
+ if (comptype==64)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_single_local, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==65)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_local_port_low, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_local_port_high, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==80)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_single_remote, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==81)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_remote_port_low, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_remote_port_high, tvb, offset, 2, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==96)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_security, tvb, offset, 4, FALSE);
+ offset+=4;
+ newoffset2+=4;
+ }
+ if (comptype==112)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_service_type, tvb, offset, 1, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_service_type_mask, tvb, offset, 1, FALSE);
+ offset+=2;
+ newoffset2+=2;
+ }
+ if (comptype==128)
+ {
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_flow_label, tvb, offset, 3, FALSE);
+ offset+=3;
+ newoffset2+=3;
+ }
+ }
+ }
+
+ break;
+ case DELETE_TFT:
+ /* Delete Existing TFT */
+ break;
+
+ case DELETE_PACKET_FILTERS_TFT:
+ /* Delete Packet filters from existing TFT */
+ while (i<number)
+ {
+ i++;
+ ti = proto_tree_add_text(tree, tvb, offset, 1, "Packet Filter %d",i);
+ ie_tree = proto_item_add_subtree(ti, ett_gtpv2_ie);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_id, tvb, offset, 1, FALSE);
+ proto_tree_add_item(ie_tree, hf_gtpv2_b_tft_pf_direction, tvb, offset, 1, FALSE);
+ offset++;
+ }
+ break;
+ case NO_TFT_OPERATION:
+ /* No TFT operation */
+ break;
+ case RESERVED:
+ /* Reserved */
+ break;
+ default:
+ break;
+ }
+}
/*
- * 8.22 User Location Info (ULI)
+ * 8.21 User Location Info (ULI)
*
* The flags ECGI, TAI, RAI, SAI and CGI in octed 5 indicate if the corresponding
- * fields are present in the IE or not. If one of these flags is set to "0",
+ * fields are present in the IE or not. If one of these flags is set to "0",
* the corresponding field is not present at all. The respective identities are defined in 3GPP
* TS 23.003 [2].
- * Editor's Note: The definition of ECGI is missing in 3GPP TS 23.003 v8.1.0.
+ * Editor's Note: The definition of ECGI is missing in 3GPP TS 23.003 v8.1.0.
* It can be found in 3GPP TS 36.413 v8.3.0, but it is expected that it will be moved
* to 23.003 in a future version.
*/
static void
dissect_gtpv2_uli(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- int offset = 0;
- guint flags;
-
- flags = tvb_get_guint8(tvb,offset)&0x1f;
- /* ECGI B5 */
- proto_tree_add_item(tree, hf_gtpv2_uli_ecgi_flg, tvb, offset, 1, FALSE);
- /* TAI B4 */
- proto_tree_add_item(tree, hf_gtpv2_uli_tai_flg, tvb, offset, 1, FALSE);
- /* RAI B3 */
- proto_tree_add_item(tree, hf_gtpv2_uli_rai_flg, tvb, offset, 1, FALSE);
- /* SAI B2 */
- proto_tree_add_item(tree, hf_gtpv2_uli_sai_flg, tvb, offset, 1, FALSE);
- /* CGI B1 */
- proto_tree_add_item(tree, hf_gtpv2_uli_cgi_flg, tvb, offset, 1, FALSE);
- offset++;
-
- /* XXX Check if there is code to dissect this elsewhere e.g call it */
- /* 8.22.1 CGI field */
- if (flags&0x01){
- /* The coding of CGI (Cell Global Identifier)
- * is depicted in Figure 8.22.1-1. If MNC is 2 digits long, MNC digit 1
- * shall be set to 0.
- */
- /* XXX call CGI dissecton in one of the GSM dissectors here */
- proto_tree_add_text(tree, tvb, offset, 7, "CGI (Cell Global Identifier) not dissected yet");
- offset+=7;
- if(offset==length)
- return;
- }
-
- /* 8.22.2 SAI field */
- if (flags&0x02){
- /*The coding of SAI (Service Area Identifier) is depicted in Figure 8.22.2-1.
- * If MNC is 2 digits long, MNC digit 1 shall be set to 0.
- */
- proto_tree_add_text(tree, tvb, offset, 7, "SAI (Service Area Identifier) not dissected yet");
- offset+=7;
- if(offset==length)
- return;
- }
- /* 8.22.3 RAI field */
- if (flags&0x04){
- /* The coding of RAI (Routing Area Identity) is depicted in Figure 8.22.3-1.
- * If MNC is 2 digits long, MNC digit 1 shall be set to 0.
- */
- proto_tree_add_text(tree, tvb, offset, 7, "RAI (Routing Area Identity) not dissected yet");
- offset+=7;
- if(offset==length)
- return;
- }
- /* 8.22.4 TAI field */
- if (flags&0x08){
- /* The coding of TAI (Tracking Area Identity) is depicted in Figure 8.22.4-1
- * If MNC is 2 digits long, MNC digit 1 shall be set to 0.
- */
- proto_tree_add_text(tree, tvb, offset, 5, "TAI (Tracking Area Identity) not dissected yet");
- offset+=5;
- if(offset==length)
- return;
- }
- /* 8.22.5 ECGI field */
- if (flags&0x10){
- /* The coding of ECGI (E-UTRAN Cell Global Identifier) is depicted in Figure 8.22.5-1
- * If MNC is 2 digits long, MNC digit 1 shall be set to 0.
- */
- proto_tree_add_text(tree, tvb, offset, 6, "ECGI (E-UTRAN Cell Global Identifier) not dissected yet");
- offset+=6;
- }
+ int offset = 0;
+ guint flags;
+ flags = tvb_get_guint8(tvb,offset)&0x1f;
+ /* ECGI B5 */
+ proto_tree_add_item(tree, hf_gtpv2_uli_ecgi_flg, tvb, offset, 1, FALSE);
+ /* TAI B4 */
+ proto_tree_add_item(tree, hf_gtpv2_uli_tai_flg, tvb, offset, 1, FALSE);
+ /* RAI B3 */
+ proto_tree_add_item(tree, hf_gtpv2_uli_rai_flg, tvb, offset, 1, FALSE);
+ /* SAI B2 */
+ proto_tree_add_item(tree, hf_gtpv2_uli_sai_flg, tvb, offset, 1, FALSE);
+ /* CGI B1 */
+ proto_tree_add_item(tree, hf_gtpv2_uli_cgi_flg, tvb, offset, 1, FALSE);
+ offset++;
+
+ /* 8.22.1 CGI field */
+ if (flags&0x01)
+ {
+ dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, TRUE);
+ offset+=3;
+ proto_tree_add_item(tree, hf_gtpv2_uli_cgi_lac, tvb, offset, 2, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_uli_cgi_ci, tvb, offset, 2, FALSE);
+ offset+=4;
+ if(offset==length)
+ return;
+ }
+
+ /* 8.22.2 SAI field */
+ if (flags&0x02)
+ {
+ dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, TRUE);
+ offset+=3;
+ proto_tree_add_item(tree, hf_gtpv2_uli_sai_lac, tvb, offset, 2, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_uli_sai_sac, tvb, offset, 2, FALSE);
+ offset+=4;
+ if(offset==length)
+ return;
+ }
+ /* 8.22.3 RAI field */
+ if (flags&0x04)
+ {
+ dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, TRUE);
+ offset+=3;
+ proto_tree_add_item(tree, hf_gtpv2_uli_rai_lac, tvb, offset, 2, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_uli_rai_rac, tvb, offset, 2, FALSE);
+ offset+=4;
+ if(offset==length)
+ return;
+ }
+ /* 8.22.4 TAI field */
+ if (flags&0x08)
+ {
+ dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, TRUE);
+ offset+=3;
+ proto_tree_add_item(tree, hf_gtpv2_uli_tai_tac, tvb, offset, 2, FALSE);
+ offset+=2;
+ if(offset==length)
+ return;
+ }
+ /* 8.22.5 ECGI field */
+ if (flags&0x10)
+ {
+ dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, TRUE);
+ offset+=3;
+ /* The bits 8 through 5, of octet e+3 (Fig 8.21.5-1 in TS 29.274 V8.2.0) are spare
+ and hence they would not make any difference to the hex string following it, thus we directly read 4 bytes from tvb */
+
+ proto_tree_add_item(tree, hf_gtpv2_uli_ecgi_eci, tvb, offset, 3, FALSE);
+ offset+=3;
+ if(offset==length)
+ return;
+
+ }
}
/*
- * 8.23 Fully Qualified TEID (F-TEID)
+ * 8.22 Fully Qualified TEID (F-TEID)
*/
-
+static const value_string gtpv2_f_teid_interface_type_vals[] = {
+ {0, "S1-U eNodeB GTP-U interface"},
+ {1, "S1-U SGW GTP-U interface"},
+ {2, "S12 RNC GTP-U interface"},
+ {3, "S12 SGW GTP-U interface"},
+ {4, "S5/S8 SGW GTP-U interface"},
+ {5, "S5/S8 PGW GTP-U interface"},
+ {6, "S5/S8 SGW GTP-C interface"},
+ {7, "S5/S8 PGW GTP-C interface"},
+ {8, "S5/S8 SGW PMIPv6 interface (the 32 bit GRE key is encoded in 32 bit TEID field "
+ "and since alternate CoA is not used the control plane and user plane addresses are the same for PMIPv6)"},
+ {9, "S5/S8 PGW PMIPv6 interface (the 32 bit GRE key is encoded in 32 bit TEID field "
+ "and the control plane and user plane addresses are the same for PMIPv6)"},
+ {10, "S11 MME GTP-C interface"},
+ {11, "S11/S4 SGW GTP-C interface"},
+ {12, "S10 MME GTP-C interface"},
+ {13, "S3 MME GTP-C interface"},
+ {14, "S3 SGSN GTP-C interface"},
+ {15, "S4 SGSN GTP-U interface"},
+ {16, "S4 SGW GTP-U interface"},
+ {17, "S4 SGSN GTP-C interface"},
+ {18, "S16 SGSN GTP-C interface"},
+ {19, "eNodeB GTP-U interface for DL data forwarding"},
+ {20, "eNodeB GTP-U interface for UL data forwarding"},
+ {21, "RNC GTP-U interface for data forwarding"},
+ {22, "SGSN GTP-U interface for data forwarding"},
+ {23, "SGW GTP-U interface for data forwarding"},
+ {0, NULL}
+};
static void
dissect_gtpv2_f_teid(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
+ int offset = 0;
+ guint8 v4, v6;
+ v4 = tvb_get_guint8(tvb,offset)& 0x80;
+ v6 = tvb_get_guint8(tvb,offset)& 0x40;
+ proto_tree_add_item(tree, hf_gtpv2_f_teid_v4, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_f_teid_v6, tvb, offset, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_f_teid_interface_type, tvb, offset, 1, FALSE);
+
+ offset++;
+ proto_tree_add_item(tree, hf_gtpv2_f_teid_gre_key, tvb, offset, 4, FALSE);
+
+ offset= offset+4;
+ if (v4)
+ {
+ proto_tree_add_item(tree, hf_gtpv2_f_teid_ipv4, tvb, offset, 4, FALSE);
+ offset= offset+4;
+ }
+ if (v6)
+ {
+ proto_tree_add_item(tree, hf_gtpv2_f_teid_ipv6, tvb, offset, 16, FALSE);
+ offset= offset+16;
+ }
}
/*
- * 8.24 TMSI
+ * 8.23 TMSI
*/
/*
- * 8.25 Global CN-Id
+ * 8.24 Global CN-Id
*/
static void
dissect_gtpv2_g_cn_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
+ proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
}
/*
- * 8.26 Legacy Quality of Service (QoS)
- * 8.27 S103 PDN Data Forwarding Info (S103PDF)
- * 8.28 S1-U Data Forwarding (S1UDF)
- * 8.29 Delay Value
+ * 8.25 S103 PDN Data Forwarding Info (S103PDF)
+ * 8.26 S1-U Data Forwarding (S1UDF) */
+
+/*8.27 Delay Value
*/
static void
dissect_gtpv2_delay_value(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
+
+ int offset = 0;
+
+ proto_tree_add_item(tree, hf_gtpv2_delay_value, tvb, offset, 1, FALSE);
+
+
+}
+/*8.28 Bearer Context (grouped IE) */
+
+static void
+dissect_gtpv2_bearer_ctx(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+ int offset= 0;
+ proto_tree *grouped_tree;
+
+ proto_item_append_text(item, "[Grouped IE]");
+ grouped_tree = proto_item_add_subtree(item, ett_gtpv2_bearer_ctx);
+ dissect_gtpv2_ie_common(tvb, pinfo, grouped_tree, offset);
+
+}
+/* 8.29 Charging ID */
+static void
+dissect_gtpv2_charging_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+
+ int offset = 0;
+
+ proto_tree_add_item(tree, hf_gtpv2_charging_id, tvb, offset, length, FALSE);
+
+
+}
+
+
+ /* 8.30 Charging Characteristics
+ * The charging characteristics information element is defined in 3GPP TS 32.251 [8]
+ * and is a way of informing both the SGW and PGW of the rules for producing charging
+ * information based on operator configured triggers. For the encoding of this
+ * information element see 3GPP TS 32.298 [9].
+ */
+
+static void
+dissect_gtpv2_charging_characteristic(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+
+ int offset = 0;
+
+ proto_tree_add_item(tree, hf_gtpv2_charging_characteristic, tvb, offset, 2, FALSE);
+ if(length>2){
+ offset+=2;
+ /* These octet(s) is/are present only if explicitly specified */
+ proto_tree_add_text(tree, tvb, offset, length-2, "Remaining octets");
+ }
+
+}
+/* 8.30 Bearer Flag */
+static void
+dissect_gtpv2_bearer_flag(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+
+ int offset = 0;
+
+ proto_tree_add_item(tree, hf_gtpv2_bearer_flag, tvb, offset, length, FALSE);
+
+
+}
+/* 8.34 PDN Type */
+static void
+dissect_gtpv2_pdn_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+
+ int offset = 0;
+
+ if (length != 1) {
+ proto_item *expert_item;
+ expert_item = proto_tree_add_text(tree, tvb, 0, length, "Wrong length indicated. Expected 1, got %u", length);
+ expert_add_info_format(pinfo, expert_item, PI_MALFORMED, PI_ERROR, "Wrong length indicated. Expected 1, got %u", length);
+ PROTO_ITEM_SET_GENERATED(expert_item);
+ return;
+ }
+
+ proto_tree_add_item(tree, hf_gtpv2_pdn_type, tvb, offset, length, FALSE);
+
+
+}
+
+/* 8.31 Trace Information
+ * 8.33 Paging Cause
+ */
+
+/* 8.35 Procedure Transaction ID (PTI) */
+static void
+dissect_gtpv2_pti(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+ proto_tree_add_item(tree, hf_gtpv2_pti, tvb, 0, 1, FALSE);
}
/*
- * 8.30 Bearer ID List
- */
-/*
- * 8.31 Bearer Context
+ * 8.36 DRX Parameter
+ * 8.37 UE Network Capability
+ * 8.38 MM Context
+ * 8.39 PDN Connection (grouped IE)
+ * 8.40 PDU Numbers
+ * 8.41 Packet TMSI (P-TMSI)
+ * 8.42 P-TMSI Signature
+ * 8.43 Hop Counter
*/
+/* 8.44 UE Time Zone */
+
+static const value_string gtpv2_ue_time_zone_dst_vals[] = {
+ {0, "No Adjustments for Daylight Saving Time"},
+ {1, "+1 Hour Adjustments for Daylight Saving Time"},
+ {2, "+2 Hour Adjustments for Daylight Saving Time"},
+ {3, "Spare"},
+ {0, NULL}
+};
static void
-dissect_gtpv2_bearer_ctx(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+dissect_gtpv2_ue_time_zone(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
+
+ int offset = 0;
+ proto_tree_add_item(tree, hf_gtpv2_ue_time_zone, tvb, offset, 1, FALSE);
+
+ offset= offset+ 1;
+ proto_tree_add_item(tree, hf_gtpv2_ue_time_zone_dst, tvb, offset, 1, FALSE);
+
+
}
-/*
- * 8.32 S101 IP Address
- * 8.33 S102 IP Address
- * 8.34 Charging ID
- * 8.35 Charging Characteristics
- * 8.36 Trace Information
- * 8.37 Bearer Flags
- * 8.38 Paging Cause
- * 8.39 PDN Type
- * 8.40 Procedure Transaction ID (PTI)
- * 8.41 DRX Parameter
- * 8.42 UE Network Capability
- * 8.43 MM Context
- * 8.44 PDN Connection
- * 8.45 GRE Key
- * 8.46 PDU Numbers
- * 8.47 EPS Bearer Contexts Prioritization (Contexts Prioritization)
- * 8.48 LMA IP Address
- * 8.49 Packet TMSI (P-TMSI)
- * 8.50 P-TMSI Signature
- * 8.51 Hop Counter
- * 8.52 Authentication Quintuplet
- * 8.53 Authentication Quadruplet
- * 8.54 Complete Request Message
- * 8.55 GUTI
- * 8.56 Fully Qualified Container (F-Container)
- * 8.57 Fully Qualified Cause (F-Cause)
- * 8.58 Selected PLMN ID
- * 8.59 Target Identification
- * 8.60 NSAPI
- * 8.61 Packet Flow ID
- * 8.62 RAB Context
- * 8.63 Source RNC PDCP context info
- * 8.64 UDP Source Port Number
- * 8.65 APN Restriction
- * 8.66 Selection Mode
- * 8.67 Cell Identification
- * 8.68 Bearer Control Mode
+/* 8.45 Trace Reference
+ * 8.56 Complete Request Message
+ * 8.47 GUTI
+ * 8.48 Fully Qualified Container (F-Container)
+ * 8.49 Fully Qualified Cause (F-Cause)
+ * 8.50 Selected PLMN ID
+ * 8.51 Target Identification
+ * 8.52 NSAPI
+ * 8.53 Packet Flow ID
+ * 8.54 RAB Context
+ * 8.55 Source RNC PDCP context info
+ * 8.56 UDP Source Port Number
*/
+
+/*8.57 APN Restriction */
+static void
+dissect_gtpv2_apn_rest(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+ proto_tree_add_item(tree, hf_gtpv2_apn_rest, tvb, 0, 1, FALSE);
+}
+
+/* 8.58 Selection Mode */
+static const value_string gtpv2_selec_mode_vals[] = {
+ {0, "MS or network provided APN, subscribed verified"},
+ {1, "MS provided APN, subscription not verified"},
+ {2, "Network provided APN, subscription not verified"},
+ {3, "Network provided APN, subscription not verified (Basically for Future use"},
+ {0, NULL}
+};
+
+static void
+dissect_gtpv2_selec_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+ int offset=0;
+
+ proto_tree_add_item(tree, hf_gtpv2_selec_mode, tvb, offset, 1, FALSE);
+}
+
+
+ /* 8.59 Source Identification */
+
+ /* 8.60 Bearer Control Mode */
+ static const value_string gtpv2_bearer_control_mode_vals[] = {
+ {0, "Selected Bearer Control Mode-'MS_only'"},
+ {1, "Selected Bearer Control Mode-'Network_only'"},
+ {2, "Selected Bearer Control Mode-'MS/NW'"},
+ {0, NULL}
+};
+
+static void
+dissect_gtpv2_bearer_control_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+ proto_tree_add_item(tree, hf_gtpv2_bearer_control_mode, tvb, 0, 1, FALSE);
+}
/*
- * 8.69 Change Reporting Action
+ * 8.61 Change Reporting Action
*/
static const value_string gtpv2_cng_rep_act_vals[] = {
- {0, "Stop Reporting"},
- {1, "Start Reporting CGI/SAI"},
- {2, "Start Reporting RAI"},
- {0, NULL}
+ {0, "Stop Reporting"},
+ {1, "Start Reporting CGI/SAI"},
+ {2, "Start Reporting RAI"},
+ {0, NULL}
};
static void
dissect_cng_rep_act(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
{
- proto_tree_add_item(tree, hf_gtpv2_cng_rep_act, tvb, 0, 1, FALSE);
+ proto_tree_add_item(tree, hf_gtpv2_cng_rep_act, tvb, 0, 1, FALSE);
}
/*
- * 8.70 PDN Connection Set Identifier (CSID)
- * 8.71 Private Extension
+ * 8.62 Fully qualified PDN Connection Set Identifier (FQ-CSID)
+ * 8.63 Channel needed
+ * 8.64 eMLPP Priority
+ */
+
+/*8.65 Node Type */
+static const value_string gtpv2_node_type_vals[] = {
+ {0, "MME"},
+ {1, "SGSN"},
+ {0, NULL}
+};
+
+static void
+dissect_node_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_)
+{
+
+ proto_tree_add_item(tree, hf_gtpv2_node_type, tvb, 0, 1, FALSE);
+}
+
+ /* 8.66 Fully Qualified Domain Name (FQDN)
+ * 8.67 Private Extension
*/
typedef struct _gtpv2_ie {
int ie_type;
static const gtpv2_ie_t gtpv2_ies[] = {
{GTPV2_IE_IMSI, dissect_gtpv2_imsi},
- {GTPV2_IE_CAUSE, dissect_gtpv2_cause}, /* 2, Cause (without embedded offending IE) 8.4 */
- {GTPV2_REC_REST_CNT, dissect_gtpv2_recovery}, /* 3, Recovery (Restart Counter) 8.5 */
- /* 4-50 Reserved for S101 interface Extendable / See 3GPP TS 29.276 [14] */
- /* 51-70 Reserved for Sv interface Extendable / See 3GPP TS 29.280 [15] */
- {GTPV2_APN, dissect_gtpv2_apn}, /* 71, Access Point Name (APN) 8.6 */
- {GTPV2_EBI, dissect_gtpv2_ebi}, /* 73, EPS Bearer ID (EBI) 8.8 */
- {GTPV2_IE_MSISDN, dissect_gtpv2_msisdn}, /* 76, MSISDN 8.11 */
- {GTPV2_INDICATION, dissect_gtpv2_ind}, /* 77 Indication 8.12 */
- {GTPV2_PCO, dissect_gtpv2_pco}, /* 78 Protocol Configuration Options (PCO) 8.13 */
- {GTPV2_PAA, dissect_gtpv2_paa}, /* 79 PDN Address Allocation (PAA) 8.14 */
- {GTPV2_BEARER_QOS,dissect_gtpv2_bearer_qos}, /* 80 Bearer Level Quality of Service (Bearer QoS) 8.15 */
- {GTPV2_FLOW_QOS, dissect_gtpv2_flow_qos}, /* 81 Flow Quality of Service (Flow QoS) 8.16 */
- {GTPV2_IE_RAT_TYPE, dissect_gtpv2_rat_type}, /* 82, RAT Type 8.17 */
- {GTPV2_IE_SERV_NET, dissect_gtpv2_serv_net}, /* 83, Serving Network 8.18 */
- {GTPV2_TEID, dissect_gtpv2_teid}, /* 84, TEID-C 8.19 */
- {GTPV2_ULI, dissect_gtpv2_uli}, /* 87, User Location Info (ULI) 8.22 */
- {GTPV2_F_TEID, dissect_gtpv2_f_teid}, /* 88, Fully Qualified Tunnel Endpoint Identifier (F-TEID) 8.23 */
- {GTPV2_G_CN_ID, dissect_gtpv2_g_cn_id}, /* 90, Global CN-Id 8.25 */
- {GTPV2_DELAY_VALUE, dissect_gtpv2_delay_value}, /* 94, Delay Value 8.29 */
- {GTPV2_BEARER_CTX,dissect_gtpv2_bearer_ctx}, /* 96, Bearer Context 8.31 */
- {GTPV2_IE_CNG_REP_ACT, dissect_cng_rep_act}, /* 139, Change Reporting Action 8.69 */
- /* 142-254 Spare. For future use. FFS */
+ {GTPV2_IE_CAUSE, dissect_gtpv2_cause}, /* 2, Cause (without embedded offending IE) 8.4 */
+ {GTPV2_REC_REST_CNT, dissect_gtpv2_recovery}, /* 3, Recovery (Restart Counter) 8.5 */
+ /* 4-50 Reserved for S101 interface Extendable / See 3GPP TS 29.276 [14] */
+ /* 51-70 Reserved for Sv interface Extendable / See 3GPP TS 29.280 [15] */
+ {GTPV2_APN, dissect_gtpv2_apn}, /* 71, Access Point Name (APN) 8.6 */
+ {GTPV2_AMBR, dissect_gtpv2_ambr}, /* 72, Aggregate Maximum Bit Rate (AMBR) */
+ {GTPV2_EBI, dissect_gtpv2_ebi}, /* 73, EPS Bearer ID (EBI) 8.8 */
+ {GTPV2_IP_ADDRESS, dissect_gtpv2_ip_address}, /* 74, IP Address */
+ {GTPV2_MEI, dissect_gtpv2_mei}, /* 74, Mobile Equipment Identity */
+ {GTPV2_IE_MSISDN, dissect_gtpv2_msisdn}, /* 76, MSISDN 8.11 */
+ {GTPV2_INDICATION, dissect_gtpv2_ind}, /* 77 Indication 8.12 */
+ {GTPV2_PCO, dissect_gtpv2_pco}, /* 78 Protocol Configuration Options (PCO) 8.13 */
+ {GTPV2_PAA, dissect_gtpv2_paa}, /* 79 PDN Address Allocation (PAA) 8.14 */
+ {GTPV2_BEARER_QOS,dissect_gtpv2_bearer_qos}, /* 80 Bearer Level Quality of Service (Bearer QoS) 8.15 */
+ {GTPV2_FLOW_QOS, dissect_gtpv2_flow_qos}, /* 81 Flow Quality of Service (Flow QoS) 8.16 */
+ {GTPV2_IE_RAT_TYPE, dissect_gtpv2_rat_type}, /* 82, RAT Type 8.17 */
+ {GTPV2_IE_SERV_NET, dissect_gtpv2_serv_net}, /* 83, Serving Network 8.18 */
+ {GTPV2_BEARER_TFT, dissect_gtpv2_bearer_tft}, /* 84, Bearer TFT 8.19 */
+ {GTPV2_TAD, dissect_gtpv2_tad}, /* 85, Traffic Aggregate Description 8.20 */
+ {GTPV2_ULI, dissect_gtpv2_uli}, /* 86, User Location Info (ULI) 8.22 */
+ {GTPV2_F_TEID, dissect_gtpv2_f_teid}, /* 87, Fully Qualified Tunnel Endpoint Identifier (F-TEID) 8.23 */
+ {GTPV2_G_CN_ID, dissect_gtpv2_g_cn_id}, /* 89, Global CN-Id 8.25 */
+ {GTPV2_DELAY_VALUE, dissect_gtpv2_delay_value}, /* 92, Delay Value 8.29 */
+ {GTPV2_BEARER_CTX,dissect_gtpv2_bearer_ctx}, /* 93, Bearer Context 8.31 */
+ {GTPV2_CHARGING_ID, dissect_gtpv2_charging_id}, /* 94, Charging Id */
+ {GTPV2_CHARGING_CHARACTERISTIC, /* 95 Charging Characteristic */
+ dissect_gtpv2_charging_characteristic},
+ {GTPV2_BEARER_FLAG, dissect_gtpv2_bearer_flag}, /* 97, Bearer Flag */
+ {GTPV2_PDN_TYPE, dissect_gtpv2_pdn_type}, /* 99, PDN Type */
+ {GTPV2_PTI, dissect_gtpv2_pti}, /* 100 Procedure Transaction Id */
+ {GTPV2_UE_TIME_ZONE, dissect_gtpv2_ue_time_zone}, /* 114, UE Time Zone */
+ {GTPV2_APN_RESTRICTION, /* 127, APN Restriction */
+ dissect_gtpv2_apn_rest},
+ {GTPV2_SELEC_MODE,dissect_gtpv2_selec_mode}, /* 128 Selection Mode */
+ {GTPV2_BEARER_CONTROL_MODE,
+ dissect_gtpv2_bearer_control_mode}, /* 130 Bearer Control Mode*/
+ {GTPV2_CNG_REP_ACT ,dissect_cng_rep_act}, /* 131 Change Reporting Action 8.61 */
+ {GTPV2_NODE_TYPE ,dissect_node_type}, /* 135 Node Type 8.65 */
+ /* 137-254 Spare. For future use. FFS */
{0, dissect_gtpv2_unknown}
};
static void
dissect_gtpv2_ie_common(tvbuff_t * tvb, packet_info * pinfo _U_, proto_tree * tree, gint offset)
{
- proto_tree *ie_tree;
- proto_item *ti;
- tvbuff_t *ie_tvb;
- guint8 type, instance;
- guint16 length;
- int i;
- /*
- * Octets 8 7 6 5 4 3 2 1
- * 1 Type
- * 2-3 Length = n
- * 4 CR Spare Instance
- * 5-(n+4) IE specific data
- */
- while(offset < (gint)tvb_reported_length(tvb)){
- /* Get the type and length */
- type = tvb_get_guint8(tvb,offset);
- length = tvb_get_ntohs(tvb, offset+1);
- ti = proto_tree_add_text(tree, tvb, offset, 4 + length, "%s : ", val_to_str(type, gtpv2_element_type_vals, "Unknown"));
- ie_tree = proto_item_add_subtree(ti, ett_gtpv2_ie);
- /* Octet 1 */
- proto_tree_add_item(ie_tree, hf_gtpv2_ie, tvb, offset, 1, FALSE);
- offset++;
-
- /*Octet 2 - 3 */
- proto_tree_add_item(ie_tree, hf_gtpv2_ie_len, tvb, offset, 2, FALSE);
- offset+=2;
- /* CR Spare Instance Octet 4*/
- proto_tree_add_item(ie_tree, hf_gtpv2_cr, tvb, offset, 1, FALSE);
-
- instance = tvb_get_guint8(tvb,offset)& 0x0f;
- proto_tree_add_item(ie_tree, hf_gtpv2_instance, tvb, offset, 1, FALSE);
- offset++;
-
- /* TODO: call IE dissector here */
- if(type==GTPV2_IE_RESERVED){
- /* Treat IE type zero specal as type zero is used to end the loop in the else branch */
- proto_tree_add_text(ie_tree, tvb, offset, length, "IE type Zero is Reserved and should not be used");
- }else{
- i = -1;
- /* Loop over the IE dissector list to se if we find an entry, the last entry will have ie_type=0 braking the loop */
- while (gtpv2_ies[++i].ie_type){
- if (gtpv2_ies[i].ie_type == type)
- break;
- }
- /* Just give the IE dissector the IE */
- ie_tvb = tvb_new_subset(tvb, offset, length, length);
- (*gtpv2_ies[i].decode) (ie_tvb, pinfo , ie_tree, ti, length, instance);
- }
-
- offset = offset + length;
- }
+ proto_tree *ie_tree;
+ proto_item *ti;
+ tvbuff_t *ie_tvb;
+ guint8 type, instance;
+ guint16 length;
+ int i;
+ /*
+ * Octets 8 7 6 5 4 3 2 1
+ * 1 Type
+ * 2-3 Length = n
+ * 4 CR Spare Instance
+ * 5-(n+4) IE specific data
+ */
+ while(offset < (gint)tvb_reported_length(tvb)){
+ /* Get the type and length */
+ type = tvb_get_guint8(tvb,offset);
+ length = tvb_get_ntohs(tvb, offset+1);
+ ti = proto_tree_add_text(tree, tvb, offset, 4 + length, "%s : ", val_to_str(type, gtpv2_element_type_vals, "Unknown"));
+ ie_tree = proto_item_add_subtree(ti, ett_gtpv2_ie);
+ /* Octet 1 */
+ proto_tree_add_item(ie_tree, hf_gtpv2_ie, tvb, offset, 1, FALSE);
+ offset++;
+
+ /*Octet 2 - 3 */
+ proto_tree_add_item(ie_tree, hf_gtpv2_ie_len, tvb, offset, 2, FALSE);
+ offset+=2;
+ /* CR Spare Instance Octet 4*/
+ proto_tree_add_item(ie_tree, hf_gtpv2_cr, tvb, offset, 1, FALSE);
+
+ instance = tvb_get_guint8(tvb,offset)& 0x0f;
+ proto_tree_add_item(ie_tree, hf_gtpv2_instance, tvb, offset, 1, FALSE);
+ offset++;
+
+ /* TODO: call IE dissector here */
+ if(type==GTPV2_IE_RESERVED){
+ /* Treat IE type zero specal as type zero is used to end the loop in the else branch */
+ proto_tree_add_text(ie_tree, tvb, offset, length, "IE type Zero is Reserved and should not be used");
+ }else{
+ i = -1;
+ /* Loop over the IE dissector list to se if we find an entry, the last entry will have ie_type=0 breaking the loop */
+ while (gtpv2_ies[++i].ie_type){
+ if (gtpv2_ies[i].ie_type == type)
+ break;
+ }
+ /* Just give the IE dissector the IE */
+ ie_tvb = tvb_new_subset(tvb, offset, length, length);
+ (*gtpv2_ies[i].decode) (ie_tvb, pinfo , ie_tree, ti, length, instance);
+ }
+
+ offset = offset + length;
+ }
}
static void
{
proto_tree *gtpv2_tree, *flags_tree;
proto_item *ti, *tf;
- guint8 message_type, t_flag;
- int offset = 0;
+ guint8 message_type, t_flag;
+ int offset = 0;
- /* Currently we get called from the GTP dissector no need to check the version */
- if (check_col(pinfo->cinfo, COL_PROTOCOL))
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "GTPv2");
- if (check_col(pinfo->cinfo, COL_INFO))
- col_clear(pinfo->cinfo, COL_INFO);
+ /* Currently we get called from the GTP dissector no need to check the version */
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "GTPv2");
+ col_clear(pinfo->cinfo, COL_INFO);
- /* message type is in octet 2 */
- message_type = tvb_get_guint8(tvb,1);
+ /* message type is in octet 2 */
+ message_type = tvb_get_guint8(tvb,1);
if (check_col(pinfo->cinfo, COL_INFO))
- col_add_str(pinfo->cinfo, COL_INFO, val_to_str(message_type, gtpv2_message_type_vals, "Unknown"));
+ col_add_str(pinfo->cinfo, COL_INFO, val_to_str(message_type, gtpv2_message_type_vals, "Unknown"));
- proto_tree_add_item(tree, proto_gtpv2, tvb, offset, -1, FALSE);
+ proto_tree_add_item(tree, proto_gtpv2, tvb, offset, -1, FALSE);
if (tree) {
- ti = proto_tree_add_text(tree, tvb, offset, -1, "%s", val_to_str(message_type, gtpv2_message_type_vals, "Unknown"));
- gtpv2_tree = proto_item_add_subtree(ti, ett_gtpv2);
-
- /* Control Plane GTP uses a variable length header. Control Plane GTP header
- * length shall be a multiple of 4 octets.
- * Figure 5.1-1 illustrates the format of the GTPv2-C Header.
- * Bits 8 7 6 5 4 3 2 1
- * Octets 1 Version Spare T Spare Spare Spare
- * 2 Message Type
- * 3 Message Length (1st Octet)
- * 4 Message Length (2nd Octet)
- * m-k(m+3) If T flag is set to 1, then TEID shall be placed into octets 5-8.
- * Otherwise, TEID field is not present at all.
- * n-(n+1) Sequence Number
- * (n+2)-(n+3) Spare
- * Figure 5.1-1: General format of GTPv2 Header for Control Plane
- */
- tf = proto_tree_add_item(gtpv2_tree, hf_gtpv2_flags, tvb, offset, 1, FALSE);
- flags_tree = proto_item_add_subtree(tf, ett_gtpv2_flags);
-
- /* Octet 1 */
- t_flag = (tvb_get_guint8(tvb,offset) & 0x08)>>3;
- proto_tree_add_item(flags_tree, hf_gtpv2_version, tvb, offset, 1, FALSE);
- proto_tree_add_item(flags_tree, hf_gtpv2_t, tvb, offset, 1, FALSE);
- offset++;
-
- /* Octet 2 */
- proto_tree_add_item(gtpv2_tree, hf_gtpv2_message_type, tvb, offset, 1, FALSE);
- offset++;
- /* Octet 3 - 4 */
- proto_tree_add_item(gtpv2_tree, hf_gtpv2_msg_length, tvb, offset, 2, FALSE);
- offset+=2;
-
- if(t_flag){
- /* Tunnel Endpoint Identifier 4 octets */
- proto_tree_add_item(gtpv2_tree, hf_gtpv2_teid, tvb, offset, 4, FALSE);
- offset+=4;
- }
- /* Sequence Number 2 octets */
- proto_tree_add_item(gtpv2_tree, hf_gtpv2_seq, tvb, offset, 2, FALSE);
- offset+=2;
-
- /* Spare 2 octets */
- proto_tree_add_item(gtpv2_tree, hf_gtpv2_spare, tvb, offset, 2, FALSE);
- offset+=2;
-
- dissect_gtpv2_ie_common(tvb, pinfo, gtpv2_tree, offset);
- }
+ ti = proto_tree_add_text(tree, tvb, offset, -1, "%s", val_to_str(message_type, gtpv2_message_type_vals, "Unknown"));
+ gtpv2_tree = proto_item_add_subtree(ti, ett_gtpv2);
+
+ /* Control Plane GTP uses a variable length header. Control Plane GTP header
+ * length shall be a multiple of 4 octets.
+ * Figure 5.1-1 illustrates the format of the GTPv2-C Header.
+ * Bits 8 7 6 5 4 3 2 1
+ * Octets 1 Version Spare T Spare Spare Spare
+ * 2 Message Type
+ * 3 Message Length (1st Octet)
+ * 4 Message Length (2nd Octet)
+ * m-k(m+3) If T flag is set to 1, then TEID shall be placed into octets 5-8.
+ * Otherwise, TEID field is not present at all.
+ * n-(n+1) Sequence Number
+ * (n+2)-(n+3) Spare
+ * Figure 5.1-1: General format of GTPv2 Header for Control Plane
+ */
+ tf = proto_tree_add_item(gtpv2_tree, hf_gtpv2_flags, tvb, offset, 1, FALSE);
+ flags_tree = proto_item_add_subtree(tf, ett_gtpv2_flags);
+
+ /* Octet 1 */
+ t_flag = (tvb_get_guint8(tvb,offset) & 0x08)>>3;
+ proto_tree_add_item(flags_tree, hf_gtpv2_version, tvb, offset, 1, FALSE);
+ proto_tree_add_item(flags_tree, hf_gtpv2_t, tvb, offset, 1, FALSE);
+ offset++;
+
+ /* Octet 2 */
+ proto_tree_add_item(gtpv2_tree, hf_gtpv2_message_type, tvb, offset, 1, FALSE);
+ offset++;
+ /* Octet 3 - 4 */
+ proto_tree_add_item(gtpv2_tree, hf_gtpv2_msg_length, tvb, offset, 2, FALSE);
+ offset+=2;
+
+ if(t_flag){
+ /* Tunnel Endpoint Identifier 4 octets */
+ proto_tree_add_item(gtpv2_tree, hf_gtpv2_teid, tvb, offset, 4, FALSE);
+ offset+=4;
+ }
+ /* Sequence Number 2 octets */
+ proto_tree_add_item(gtpv2_tree, hf_gtpv2_seq, tvb, offset, 2, FALSE);
+ offset+=2;
+
+ /* Spare 2 octets */
+ proto_tree_add_item(gtpv2_tree, hf_gtpv2_spare, tvb, offset, 2, FALSE);
+ offset+=2;
+
+ dissect_gtpv2_ie_common(tvb, pinfo, gtpv2_tree, offset);
+ }
}
void proto_register_gtpv2(void)
{
static hf_register_info hf_gtpv2[] = {
- {&hf_gtpv2_flags,
- {"Flags", "gtpv2.flags",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Flags", HFILL}
- },
- {&hf_gtpv2_version,
- {"Version", "gtpv2.version",
- FT_UINT8, BASE_DEC, NULL, 0xe0,
- "Version", HFILL}
- },
- { &hf_gtpv2_t,
- {"T", "gtpv2.t",
- FT_UINT8, BASE_DEC, NULL, 0x08,
- "If TEID field is present or not", HFILL}
- },
- { &hf_gtpv2_message_type,
- {"Message Type", "gtpv2.message_type",
- FT_UINT8, BASE_DEC, VALS(gtpv2_message_type_vals), 0x0,
- "Message Type", HFILL}
- },
- { &hf_gtpv2_msg_length,
- {"Message Length", "gtpv2.msg_lengt",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Message Length", HFILL}
- },
- { &hf_gtpv2_teid,
- {"Tunnel Endpoint Identifier", "gtpv2.teid",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "TEID", HFILL}
- },
- { &hf_gtpv2_seq,
- {"Sequence Number", "gtpv2.seq",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "SEQ", HFILL}
- },
- { &hf_gtpv2_spare,
- {"Spare", "gtpv2.spare",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Spare", HFILL}
- },
- { &hf_gtpv2_ie,
- {"IE Type", "gtpv2.ie_type",
- FT_UINT8, BASE_DEC, VALS(gtpv2_element_type_vals), 0x0,
- "IE Type", HFILL}
- },
- { &hf_gtpv2_ie_len,
- {"IE Length", "gtpv2.ie_len",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "length of the information element excluding the first four octets", HFILL}
- },
- { &hf_gtpv2_cr,
- {"CR flag", "gtpv2.cr",
- FT_UINT8, BASE_DEC, NULL, 0xe0,
- "CR flag", HFILL}
- },
- { &hf_gtpv2_instance,
- {"Instance", "gtpv2.instance",
- FT_UINT8, BASE_DEC, NULL, 0x0f,
- "Instance", HFILL}
- },
- { &hf_gtpv2_cause,
- {"Cause", "gtpv2.cause",
- FT_UINT8, BASE_DEC, VALS(gtpv2_cause_vals), 0x0,
- "cause", HFILL}
- },
- { &hf_gtpv2_rec,
- {"Restart Counter", "gtpv2.rec",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Restart Counter", HFILL}
- },
- {&hf_gtpv2_apn,
- {"APN", "gtp.apn",
- FT_STRING, BASE_DEC, NULL, 0x0,
- "Access Point Name", HFILL}
- },
- {&hf_gtpv2_ebi,
- {"EPS Bearer ID (EBI)", "gtpv2.ebi",
- FT_UINT8, BASE_DEC, NULL, 0x0f,
- "EPS Bearer ID (EBI)", HFILL}
- },
- {&hf_gtpv2_daf,
- {"DAF (Dual Address Bearer Flag)", "gtpv2.daf",
- FT_BOOLEAN, 8, NULL, 0x80, "DAF", HFILL}
- },
- {&hf_gtpv2_dtf,
- {"DTF (Direct Tunnel Flag)","gtpv2.dtf",
- FT_BOOLEAN, 8, NULL, 0x40, "DTF", HFILL}
- },
- {&hf_gtpv2_hi,
- {"HI (Handover Indication)", "gtpv2.hi",
- FT_BOOLEAN, 8, NULL, 0x20, "HI", HFILL}
- },
- {&hf_gtpv2_dfi,
- {"DFI (Direct Forwarding Indication)", "gtpv2.dfi",
- FT_BOOLEAN, 8, NULL, 0x10, "DFI", HFILL}
- },
- {&hf_gtpv2_oi,
- {"OI (Operation Indication)","gtp.oi",
- FT_BOOLEAN, 8, NULL, 0x08, "OI", HFILL}
- },
- {&hf_gtpv2_isrsi,
- {"ISRSI (Idle mode Signalling Reduction Supported Indication)", "gtpv2.isrsi",
- FT_BOOLEAN, 8, NULL, 0x04, "ISRSI", HFILL}
- },
- {&hf_gtpv2_israi,
- {"ISRAI (Idle mode Signalling Reduction Activation Indication)", "gtpv2.israi",
- FT_BOOLEAN, 8, NULL, 0x02, "ISRAI", HFILL}
- },
- {&hf_gtpv2_sgwci,
- {"SGWCI (SGW Change Indication)", "gtpv2.sgwci",
- FT_BOOLEAN, 8, NULL, 0x01, "SGWCI", HFILL}
- },
- {&hf_gtpv2_pt,
- {"PT (Protocol Type)", "gtpv2.pt",
- FT_BOOLEAN, 8, NULL, 0x08, "PT", HFILL}
- },
- {&hf_gtpv2_tdi,
- {"TDI (Teardown Indication)", "gtpv2.tdi",
- FT_BOOLEAN, 8, NULL, 0x04, "TDI", HFILL}
- },
- {&hf_gtpv2_si,
- {"SI (Scope Indication)", "gtpv2.si",
- FT_BOOLEAN, 8, NULL, 0x02, "SI", HFILL}
- },
- {&hf_gtpv2_msv,
- {"MSV (MS Validated)", "gtpv2.msv",
- FT_BOOLEAN, 8, NULL, 0x01, "MSV", HFILL}
- },
- { &hf_gtpv2_pdn_type,
- {"PDN Type", "gtpv2.pdn_type",
- FT_UINT8, BASE_DEC, VALS(gtpv2_pdn_type_vals), 0x07,
- "PDN Type", HFILL}
- },
- { &hf_gtpv2_pdn_ipv4,
- {"PDN IPv4", "gtpv2.pdn_ipv4",
- FT_IPv4, BASE_DEC, NULL, 0x0,
- "PDN IPv4", HFILL}
- },
- { &hf_gtpv2_pdn_ipv6_len,
- {"IPv6 Prefix Length", "gtpv2.pdn_ipv6_len",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "IPv6 Prefix Length", HFILL}
- },
- { &hf_gtpv2_pdn_ipv6,
- {"PDN IPv6", "gtpv2.pdn_ipv6",
- FT_IPv6, BASE_HEX, NULL, 0x0,
- "PDN IPv6", HFILL}
- },
- { &hf_gtpv2_rat_type,
- {"RAT Type", "gtpv2.rat_type",
- FT_UINT8, BASE_DEC, VALS(gtpv2_rat_type_vals), 0x0,
- "RAT Type", HFILL}
- },
- { &hf_gtpv2_uli_ecgi_flg,
- {"ECGI Present Flag)", "gtpv2.uli_ecgi_flg",
- FT_BOOLEAN, 8, NULL, 0x10,
- NULL, HFILL}
- },
- { &hf_gtpv2_uli_tai_flg,
- {"TAI Present Flag)", "gtpv2.uli_tai_flg",
- FT_BOOLEAN, 8, NULL, 0x08,
- NULL, HFILL}
- },
- { &hf_gtpv2_uli_rai_flg,
- {"RAI Present Flag)", "gtpv2.uli_rai_flg",
- FT_BOOLEAN, 8, NULL, 0x04,
- NULL, HFILL}
- },
- { &hf_gtpv2_uli_sai_flg,
- {"SAI Present Flag)", "gtpv2.uli_sai_flg",
- FT_BOOLEAN, 8, NULL, 0x02,
- NULL, HFILL}
- },
- { &hf_gtpv2_uli_cgi_flg,
- {"CGI Present Flag)", "gtpv2.uli_cgi_flg",
- FT_BOOLEAN, 8, NULL, 0x01,
- NULL, HFILL}
- },
- { &hf_gtpv2_cng_rep_act,
- {"Change Reporting Action", "gtpv2.cng_rep_act",
- FT_UINT8, BASE_DEC, VALS(gtpv2_cng_rep_act_vals), 0x0,
- "Change Reporting Action", HFILL}
- },
- };
+ {&hf_gtpv2_flags,
+ {"Flags", "gtpv2.flags",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_version,
+ {"Version", "gtpv2.version",
+ FT_UINT8, BASE_DEC, NULL, 0xe0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_t,
+ {"T", "gtpv2.t",
+ FT_UINT8, BASE_DEC, NULL, 0x08,
+ "If TEID field is present or not", HFILL}
+ },
+ { &hf_gtpv2_message_type,
+ {"Message Type", "gtpv2.message_type",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_message_type_vals), 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_msg_length,
+ {"Message Length", "gtpv2.msg_lengt",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_teid,
+ {"Tunnel Endpoint Identifier", "gtpv2.teid",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ "TEID", HFILL}
+ },
+ { &hf_gtpv2_seq,
+ {"Sequence Number", "gtpv2.seq",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ "SEQ", HFILL}
+ },
+ { &hf_gtpv2_spare,
+ {"Spare", "gtpv2.spare",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_ie,
+ {"IE Type", "gtpv2.ie_type",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_element_type_vals), 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_ie_len,
+ {"IE Length", "gtpv2.ie_len",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ "length of the information element excluding the first four octets", HFILL}
+ },
+ { &hf_gtpv2_cr,
+ {"CR flag", "gtpv2.cr",
+ FT_UINT8, BASE_DEC, NULL, 0xe0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_instance,
+ {"Instance", "gtpv2.instance",
+ FT_UINT8, BASE_DEC, NULL, 0x0f,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_imsi,
+ {"IMSI(International Mobile Subscriber Identity number)", "gtpv2.imsi",
+ FT_STRING, BASE_NONE, NULL, 0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_cause,
+ {"Cause", "gtpv2.cause",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_cause_vals), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_cause_cs,
+ {"Cause Source (CS: True-Error originated by remote node, False-Error originated by Node sending the Message)","gtpv2.cs",
+ FT_BOOLEAN, 8, NULL, 0x01,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_rec,
+ {"Restart Counter", "gtpv2.rec",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_apn,
+ {"APN (Access Point Name)", "gtpv2.apn",
+ FT_STRING, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_ambr_up,
+ {"AMBR Uplink (Aggregate Maximum Bit Rate for Uplink)", "gtpv2.ambr_up",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_ambr_down,
+ {"AMBR Downlink(Aggregate Maximum Bit Rate for Downlink)", "gtpv2.ambr_down",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_ebi,
+ {"EPS Bearer ID (EBI)", "gtpv2.ebi",
+ FT_UINT8, BASE_DEC, NULL, 0x0f,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_ip_address_ipv4,
+ {"IP address IPv4", "gtpv2.ip_address_ipv4",
+ FT_IPv4, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_ip_address_ipv6,
+ {"IP address IPv6", "gtpv2.ip_address_ipv6",
+ FT_IPv6, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_mei,
+ {"MEI(Mobile Equipment Identity)", "gtpv2.mei",
+ FT_STRING, BASE_NONE, NULL, 0,
+ NULL, HFILL}
+ },
+
+ {&hf_gtpv2_daf,
+ {"DAF (Dual Address Bearer Flag)", "gtpv2.daf",
+ FT_BOOLEAN, 8, NULL, 0x80, "DAF", HFILL}
+ },
+ {&hf_gtpv2_dtf,
+ {"DTF (Direct Tunnel Flag)","gtpv2.dtf",
+ FT_BOOLEAN, 8, NULL, 0x40, "DTF", HFILL}
+ },
+ {&hf_gtpv2_hi,
+ {"HI (Handover Indication)", "gtpv2.hi",
+ FT_BOOLEAN, 8, NULL, 0x20, "HI", HFILL}
+ },
+ {&hf_gtpv2_dfi,
+ {"DFI (Direct Forwarding Indication)", "gtpv2.dfi",
+ FT_BOOLEAN, 8, NULL, 0x10, "DFI", HFILL}
+ },
+ {&hf_gtpv2_oi,
+ {"OI (Operation Indication)","gtpv2.oi",
+ FT_BOOLEAN, 8, NULL, 0x08, "OI", HFILL}
+ },
+ {&hf_gtpv2_isrsi,
+ {"ISRSI (Idle mode Signalling Reduction Supported Indication)", "gtpv2.isrsi",
+ FT_BOOLEAN, 8, NULL, 0x04, "ISRSI", HFILL}
+ },
+ {&hf_gtpv2_israi,
+ {"ISRAI (Idle mode Signalling Reduction Activation Indication)", "gtpv2.israi",
+ FT_BOOLEAN, 8, NULL, 0x02, "ISRAI", HFILL}
+ },
+ {&hf_gtpv2_sgwci,
+ {"SGWCI (SGW Change Indication)", "gtpv2.sgwci",
+ FT_BOOLEAN, 8, NULL, 0x01, "SGWCI", HFILL}
+ },
+ {&hf_gtpv2_pt,
+ {"PT (Protocol Type)", "gtpv2.pt",
+ FT_BOOLEAN, 8, NULL, 0x08, "PT", HFILL}
+ },
+ {&hf_gtpv2_tdi,
+ {"TDI (Teardown Indication)", "gtpv2.tdi",
+ FT_BOOLEAN, 8, NULL, 0x04, "TDI", HFILL}
+ },
+ {&hf_gtpv2_si,
+ {"SI (Scope Indication)", "gtpv2.si",
+ FT_BOOLEAN, 8, NULL, 0x02, "SI", HFILL}
+ },
+ {&hf_gtpv2_msv,
+ {"MSV (MS Validated)", "gtpv2.msv",
+ FT_BOOLEAN, 8, NULL, 0x01, "MSV", HFILL}
+ },
+ { &hf_gtpv2_pdn_type,
+ {"PDN Type", "gtpv2.pdn_type",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_pdn_type_vals), 0x07,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_pdn_ipv4,
+ {"PDN IPv4", "gtpv2.pdn_ipv4",
+ FT_IPv4, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_pdn_ipv6_len,
+ {"IPv6 Prefix Length", "gtpv2.pdn_ipv6_len",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_pdn_ipv6,
+ {"PDN IPv6", "gtpv2.pdn_ipv6",
+ FT_IPv6, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_qos_pvi,
+ {"PVI (Pre-emption Vulnerability)", "gtpv2.bearer_qos_pvi",
+ FT_BOOLEAN, 8, NULL, 0x01,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_qos_pl,
+ {"PL (Priority Level)", "gtpv2.bearer_qos_pl",
+ FT_UINT8, BASE_DEC, NULL, 0x3c,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_qos_pci,
+ {"PCI (Pre-emption Capability)", "gtpv2.bearer_qos_pci",
+ FT_BOOLEAN, 8, NULL, 0x40,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_qos_label_qci,
+ {"Label (QCI)", "gtpv2.bearer_qos_label_qci",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_qos_mbr_up,
+ {"Maximum Bit Rate For Uplink", "gtpv2.bearer_qos_mbr_up",
+ FT_UINT64, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_qos_mbr_down,
+ {"Maximum Bit Rate For Downlink", "gtpv2.bearer_qos_mbr_down",
+ FT_UINT64, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_qos_gbr_up,
+ {"Guaranteed Bit Rate For Uplink", "gtpv2.bearer_qos_gbr_up",
+ FT_UINT64, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_qos_gbr_down,
+ {"Guaranteed Bit Rate For Downlink", "gtpv2.bearer_qos_gbr_down",
+ FT_UINT64, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_flow_qos_label_qci,
+ {"Label (QCI)", "gtpv2.flow_qos_label_qci",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_flow_qos_mbr_up,
+ {"Maximum Bit Rate For Uplink", "gtpv2.flow_qos_mbr_up",
+ FT_UINT64, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_flow_qos_mbr_down,
+ {"Maximum Bit Rate For Downlink", "gtpv2.flow_qos_mbr_down",
+ FT_UINT64, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_flow_qos_gbr_up,
+ {"Guaranteed Bit Rate For Uplink", "gtpv2.flow_qos_gbr_up",
+ FT_UINT64, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_flow_qos_gbr_down,
+ {"Guaranteed Bit Rate For Downlink", "gtpv2.flow_qos_gbr_down",
+ FT_UINT64, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_rat_type,
+ {"RAT Type", "gtpv2.rat_type",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_rat_type_vals), 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_b_tft_opcode,
+ {"Operation Code", "gtpv2.b_tft_opcode",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_opcode_vals), 0xe0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_ebit,
+ {"Ebit", "gtpv2.b_tft_ebit",
+ FT_BOOLEAN, 8, NULL, 0x10,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_number,
+ {"Number of Packet Filters", "gtpv2.b_tft_number",
+ FT_UINT8, BASE_DEC, NULL, 0x0f,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_id,
+ {"Packet Filter Identifier", "gtpv2.b_tft_pf_id",
+ FT_UINT8, BASE_DEC, NULL, 0x0f,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_direction,
+ {"Direction", "gtpv2.b_tft_pf_direction",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_direction_vals), 0x30,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_eval,
+ {"Evaluation Precedence", "gtpv2.b_tft_pf_eval",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_length,
+ {"Length of Packet Filter", "gtpv2.b_tft_pf_length",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_comp_type,
+ {"Component Type", "gtpv2.b_tft_pf_comp_type",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_comp_type_vals), 0x0,
+ NULL , HFILL}
+ },
+ { &hf_gtpv2_b_tft_pf_ipv4,
+ {"IPv4 address", "gtpv2.b_tft_pf_ipv4",
+ FT_IPv4, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_b_tft_pf_ipv6,
+ {"IPv6 address", "gtpv2.b_tft_pf_ipv6",
+ FT_IPv6, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_ipv4_mask,
+ {"IPV4 address mask field", "gtpv2.b_tft_pf_ipv4_mask",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_ipv6_mask,
+ {"IPV6 address mask field", "gtpv2.b_tft_pf_ipv6_mask",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_prot_id,
+ {"Protocol Identifier/Next Header type", "gtpv2.b_tft_pf_prot_id",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_single_local,
+ {"Single Local port type", "gtpv2.b_tft_pf_single_local",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_local_port_low,
+ {"Local port range low limit", "gtpv2.b_tft_pf_local_port_low",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_local_port_high,
+ {"Local port range high limit", "gtpv2.b_tft_pf_local_port_high",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_single_remote,
+ {"Single remote port type", "gtpv2.b_tft_pf_single_remote",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_remote_port_low,
+ {"Remote port range low limit", "gtpv2.b_tft_pf_remote_port_low",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_remote_port_high,
+ {"Remote port range high limit", "gtpv2.b_tft_pf_remote_port_high",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_security,
+ {"Security Parameter Index", "gtpv2.b_tft_pf_security",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_service_type,
+ {"Type of Service/Traffic Class type", "gtpv2.b_tft_pf_service_type",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_service_type_mask,
+ {"Type of Service/Traffic Class mask", "gtpv2.b_tft_pf_service_type_mask",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_b_tft_pf_flow_label,
+ {"Flow Label Type", "gtpv2.b_tft_pf_flow_label",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_ecgi_flg,
+ {"ECGI Present Flag)", "gtpv2.uli_ecgi_flg",
+ FT_BOOLEAN, 8, NULL, 0x10,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_tai_flg,
+ {"TAI Present Flag)", "gtpv2.uli_tai_flg",
+ FT_BOOLEAN, 8, NULL, 0x08,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_rai_flg,
+ {"RAI Present Flag)", "gtpv2.uli_rai_flg",
+ FT_BOOLEAN, 8, NULL, 0x04,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_sai_flg,
+ {"SAI Present Flag)", "gtpv2.uli_sai_flg",
+ FT_BOOLEAN, 8, NULL, 0x02,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_cgi_flg,
+ {"CGI Present Flag)", "gtpv2.uli_cgi_flg",
+ FT_BOOLEAN, 8, NULL, 0x01,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_cgi_lac,
+ {"Location Area Code", "gtpv2.uli_cgi_lac",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_cgi_ci,
+ {"Cell Identity", "gtpv2.uli_cgi_ci",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_sai_lac,
+ {"Location Area Code", "gtpv2.uli_sai_lac",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_sai_sac,
+ {"Service Area Code", "gtpv2.uli_sai_sac",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_rai_lac,
+ {"Location Area Code", "gtpv2.uli_rai_lac",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_rai_rac,
+ {"Routing Area Code", "gtpv2.uli_rai_rac",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_uli_tai_tac,
+ {"Tracking Area Code", "gtpv2.uli_tai_tac",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_uli_ecgi_eci,
+ {"ECI (E-UTRAN Cell Identifier)", "gtpv2.uli_ecgi_eci",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_f_teid_v4,
+ {"V4 (True-IPV4 address field Exists,False-Doesn't Exist in F-TEID)", "gtpv2.f_teid_v4",
+ FT_BOOLEAN, 8, NULL, 0x80,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_f_teid_v6,
+ {"V6 (True-IPV6 address field Exists,False-Doesn't Exist in F-TEID)", "gtpv2.f_teid_v6",
+ FT_BOOLEAN, 8, NULL, 0x40,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_f_teid_interface_type,
+ {"Interface Type", "gtpv2.f_teid_interface_type",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_f_teid_interface_type_vals), 0x1f,
+ NULL , HFILL}
+ },
+ {&hf_gtpv2_f_teid_gre_key,
+ {"TEID/GRE Key", "gtpv2.f_teid_gre_key",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ NULL , HFILL}
+ },
+ { &hf_gtpv2_f_teid_ipv4,
+ {"F-TEID IPv4", "gtpv2.f_teid_ipv4",
+ FT_IPv4, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_f_teid_ipv6,
+ {"F-TEID IPv6", "gtpv2.f_teid_ipv6",
+ FT_IPv6, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_delay_value,
+ {"Delay Value (In integer multiples of 50 milliseconds or zero)", "gtpv2.delay_value",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_charging_id,
+ {"Charging id", "gtpv2.charging_id",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_charging_characteristic,
+ {"Charging Characteristic", "gtpv2.charging_characteristic",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_flag,
+ {"Bearer Flags(PPC(Prohibit Payload Compression) True-SGSN attempts to compress the payload, False-SGSN doesn't attempt to compress the payload)",
+ "gtpv2.bearer_flag",
+ FT_BOOLEAN, 8, NULL, 0x01,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_pti,
+ {"Procedure Transaction Id", "gtpv2.pti",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_ue_time_zone,
+ {"Time Zone","gtpv2.ue_time_zone",
+ FT_UINT8, BASE_DEC, NULL,0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_ue_time_zone_dst,
+ {"Daylight Saving Time","gtpv2.ue_time_zone_dst",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_ue_time_zone_dst_vals),0x03,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_apn_rest,
+ {"APN Restriction", "gtpv2.apn_rest",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_selec_mode,
+ {"Selection Mode","gtpv2.selec_mode",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_selec_mode_vals),0x03,
+ NULL, HFILL}
+ },
+ {&hf_gtpv2_bearer_control_mode,
+ {"Bearer Control Mode","gtpv2.bearer_control_mode",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_bearer_control_mode_vals),0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_cng_rep_act,
+ {"Change Reporting Action", "gtpv2.cng_rep_act",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_cng_rep_act_vals), 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_node_type,
+ {"Node Type", "gtpv2.node_type",
+ FT_UINT8, BASE_DEC, VALS(gtpv2_node_type_vals), 0x0,
+ NULL, HFILL}
+ },
+ { &hf_gtpv2_address_digits,
+ { "Address digits", "gtpv2.address_digits",
+ FT_STRING, BASE_NONE, NULL, 0,
+ NULL, HFILL }
+ },
+
+ };
static gint *ett_gtpv2_array[] = {
- &ett_gtpv2,
- &ett_gtpv2_flags,
- &ett_gtpv2_ie,
+ &ett_gtpv2,
+ &ett_gtpv2_flags,
+ &ett_gtpv2_ie,
+ &ett_gtpv2_bearer_ctx,
};
- proto_gtpv2 = proto_register_protocol("GPRS Tunneling Protocol V2", "GTPv2", "gtpv2");
+ proto_gtpv2 = proto_register_protocol("GPRS Tunneling Protocol V2", "GTPv2", "gtpv2");
proto_register_field_array(proto_gtpv2, hf_gtpv2, array_length(hf_gtpv2));
proto_register_subtree_array(ett_gtpv2_array, array_length(ett_gtpv2_array));
- register_dissector("gtpv2", dissect_gtpv2, proto_gtpv2);
+ register_dissector("gtpv2", dissect_gtpv2, proto_gtpv2);
}
-/* The registration hand-off routine */
-void
-proto_reg_handoff_gtpv2(void)
-{
-
-
-}