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wireshark/epan/dissectors/packet-3g-a11.c

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/*
* packet-3g-a11.c
* Routines for CDMA2000 A11 packet trace
* Copyright 2002, Ryuji Somegawa <somegawa@wide.ad.jp>
* packet-3g-a11.c was written based on 'packet-mip.c'.
*
* packet-3g-a11.c updated by Ravi Valmikam for 3GPP2 TIA-878-A
* Copyright 2005, Ravi Valmikam <rvalmikam@airvananet.com>
*
* packet-mip.c
* Routines for Mobile IP dissection
* Copyright 2000, Stefan Raab <sraab@cisco.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
*Ref:
* https://www.3gpp2.org/Public_html/Specs/A.S0009-C_v3.0_100621.pdf
* https://www.3gpp2.org/Public_html/Specs/A.S0017-D_v1.0_070624.pdf (IOS 5.1)
* https://www.3gpp2.org/Public_html/Specs/A.S0017-D_v2.0_090825.pdf
* https://www.3gpp2.org/Public_html/Specs/A.S0017-D%20v3.0_Interoperability%20Specification%20%28IOS%29%20for%20cdma2000%20Access%20Network%20Interfaces%20-%20Part%207%20%28A10%20and%20A11%20Interfaces%29_20110701.pdf
* https://www.3gpp2.org/Public_html/Specs/A00-20110419-002Er0%20A.S0008-C%20v4.0%20HRPD%20IOS-Pub_20110513.pdf
* https://www.3gpp2.org/Public_html/Specs/A.S0022-0_v2.0_100426.pdf
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/expert.h>
/* Include vendor id translation */
#include <epan/sminmpec.h>
#include <epan/addr_resolv.h>
#include <epan/to_str.h>
#include "packet-radius.h"
/* Forward declarations */
void proto_register_a11(void);
void proto_reg_handoff_a11(void);
static int registration_request_msg =0;
/* Initialize the protocol and registered fields */
static int proto_a11 = -1;
static int hf_a11_type = -1;
static int hf_a11_flags = -1;
static int hf_a11_s = -1;
static int hf_a11_b = -1;
static int hf_a11_d = -1;
static int hf_a11_m = -1;
static int hf_a11_g = -1;
static int hf_a11_v = -1;
static int hf_a11_t = -1;
static int hf_a11_code = -1;
static int hf_a11_status = -1;
static int hf_a11_life = -1;
static int hf_a11_homeaddr = -1;
static int hf_a11_haaddr = -1;
static int hf_a11_coa = -1;
static int hf_a11_ident = -1;
static int hf_a11_ext_type = -1;
static int hf_a11_ext_stype = -1;
static int hf_a11_ext_len = -1;
static int hf_a11_ext = -1;
static int hf_a11_aext_spi = -1;
static int hf_a11_aext_auth = -1;
static int hf_a11_next_nai = -1;
static int hf_a11_ses_key = -1;
static int hf_a11_ses_mnsrid = -1;
static int hf_a11_ses_sidver = -1;
static int hf_a11_ses_msid_type = -1;
static int hf_a11_ses_msid_len = -1;
static int hf_a11_ses_msid = -1;
static int hf_a11_ses_ptype = -1;
static int hf_a11_vse_vid = -1;
static int hf_a11_vse_apptype = -1;
static int hf_a11_vse_canid = -1;
static int hf_a11_vse_panid = -1;
static int hf_a11_vse_srvopt = -1;
static int hf_a11_vse_qosmode = -1;
static int hf_a11_vse_pdit = -1;
static int hf_a11_vse_session_parameter = -1;
static int hf_a11_vse_code = -1;
static int hf_a11_vse_dormant = -1;
static int hf_a11_vse_ehrpd_mode = -1;
static int hf_a11_vse_ehrpd_pmk = -1;
static int hf_a11_vse_ehrpd_handoff_info = -1;
static int hf_a11_vse_ehrpd_tunnel_mode = -1;
static int hf_a11_vse_ppaddr = -1;
/* Additional Session Information */
static int hf_a11_ase_len_type = -1;
static int hf_a11_ase_srid_type = -1;
static int hf_a11_ase_servopt_type = -1;
static int hf_a11_ase_gre_proto_type = -1;
static int hf_a11_ase_gre_key = -1;
static int hf_a11_ase_pcf_addr_key = -1;
static int hf_a11_ase_forward_rohc_info_len = -1;
static int hf_a11_ase_forward_maxcid = -1;
static int hf_a11_ase_forward_mrru = -1;
static int hf_a11_ase_forward_large_cids = -1;
static int hf_a11_ase_forward_profile_count = -1;
static int hf_a11_ase_forward_profile = -1;
static int hf_a11_ase_reverse_rohc_info_len = -1;
static int hf_a11_ase_reverse_maxcid = -1;
static int hf_a11_ase_reverse_mrru = -1;
static int hf_a11_ase_reverse_large_cids = -1;
static int hf_a11_ase_reverse_profile_count = -1;
static int hf_a11_ase_reverse_profile = -1;
static int hf_a11_aut_flow_prof_sub_type = -1;
static int hf_a11_aut_flow_prof_sub_type_len = -1;
static int hf_a11_aut_flow_prof_sub_type_value = -1;
static int hf_a11_serv_opt_prof_max_serv = -1;
static int hf_a11_sub_type = -1;
static int hf_a11_sub_type_length = -1;
static int hf_a11_serv_opt = -1;
static int hf_a11_max_num_serv_opt = -1;
static int hf_a11_bcmcs_stype = -1;
static int hf_a11_bcmcs_entry_len = -1;
/* Forward QoS Information */
static int hf_a11_fqi_srid = -1;
static int hf_a11_fqi_flags = -1;
static int hf_a11_fqi_flags_ip_flow = -1;
static int hf_a11_fqi_flags_dscp = -1;
static int hf_a11_fqi_entry_flag = -1;
static int hf_a11_fqi_entry_flag_dscp = -1;
static int hf_a11_fqi_entry_flag_flow_state = -1;
static int hf_a11_fqi_flowcount = -1;
static int hf_a11_fqi_flowid = -1;
static int hf_a11_fqi_entrylen = -1;
/* static int hf_a11_fqi_flowstate = -1; */
static int hf_a11_fqi_requested_qoslen = -1;
static int hf_a11_fqi_flow_priority = -1;
static int hf_a11_fqi_num_qos_attribute_set = -1;
static int hf_a11_fqi_qos_attribute_setlen = -1;
static int hf_a11_fqi_qos_attribute_setid = -1;
static int hf_a11_fqi_qos_granted_attribute_setid = -1;
static int hf_a11_fqi_verbose = -1;
static int hf_a11_fqi_flow_profileid = -1;
static int hf_a11_fqi_granted_qoslen = -1;
/* Reverse QoS Information */
static int hf_a11_rqi_srid = -1;
static int hf_a11_rqi_flowcount = -1;
static int hf_a11_rqi_flowid = -1;
static int hf_a11_rqi_entrylen = -1;
static int hf_a11_rqi_entry_flag = -1;
static int hf_a11_rqi_entry_flag_flow_state = -1;
/* static int hf_a11_rqi_flowstate = -1; */
static int hf_a11_rqi_requested_qoslen = -1;
static int hf_a11_rqi_flow_priority = -1;
static int hf_a11_rqi_num_qos_attribute_set = -1;
static int hf_a11_rqi_qos_attribute_setlen = -1;
static int hf_a11_rqi_qos_attribute_setid = -1;
static int hf_a11_rqi_qos_granted_attribute_setid = -1;
static int hf_a11_rqi_verbose = -1;
static int hf_a11_rqi_flow_profileid = -1;
/* static int hf_a11_rqi_requested_qos = -1; */
static int hf_a11_rqi_granted_qoslen = -1;
/* static int hf_a11_rqi_granted_qos = -1; */
/* QoS Update Information */
static int hf_a11_fqui_flowcount = -1;
static int hf_a11_rqui_flowcount = -1;
static int hf_a11_fqui_updated_qoslen = -1;
static int hf_a11_fqui_updated_qos = -1;
static int hf_a11_rqui_updated_qoslen = -1;
static int hf_a11_rqui_updated_qos = -1;
static int hf_a11_subsciber_profile = -1;
/* static int hf_a11_subsciber_profile_len = -1; */
/* Initialize the subtree pointers */
static gint ett_a11 = -1;
static gint ett_a11_flags = -1;
static gint ett_a11_ext = -1;
static gint ett_a11_exts = -1;
static gint ett_a11_radius = -1;
static gint ett_a11_radiuses = -1;
static gint ett_a11_ase = -1;
static gint ett_a11_fqi_flowentry = -1;
static gint ett_a11_fqi_requestedqos = -1;
static gint ett_a11_fqi_qos_attribute_set = -1;
static gint ett_a11_fqi_grantedqos = -1;
static gint ett_a11_rqi_flowentry = -1;
static gint ett_a11_rqi_requestedqos = -1;
static gint ett_a11_rqi_qos_attribute_set = -1;
static gint ett_a11_rqi_grantedqos = -1;
static gint ett_a11_fqi_flags = -1;
static gint ett_a11_fqi_entry_flags = -1;
static gint ett_a11_rqi_entry_flags = -1;
static gint ett_a11_fqui_flowentry = -1;
static gint ett_a11_rqui_flowentry = -1;
static gint ett_a11_subscriber_profile = -1;
static gint ett_a11_forward_rohc = -1;
static gint ett_a11_reverse_rohc = -1;
static gint ett_a11_forward_profile = -1;
static gint ett_a11_reverse_profile = -1;
static gint ett_a11_aut_flow_profile_ids = -1;
static gint ett_a11_bcmcs_entry = -1;
static expert_field ei_a11_sub_type_length_not2 = EI_INIT;
static expert_field ei_a11_sse_too_short = EI_INIT;
static expert_field ei_a11_bcmcs_too_short = EI_INIT;
static expert_field ei_a11_entry_data_not_dissected = EI_INIT;
static expert_field ei_a11_session_data_not_dissected = EI_INIT;
static dissector_handle_t a11_handle = NULL;
/* Port used for Mobile IP based Tunneling Protocol (A11) */
#define UDP_PORT_3GA11 699 /* Not IANA registered */
typedef enum {
REGISTRATION_REQUEST = 1,
REGISTRATION_REPLY = 3,
REGISTRATION_UPDATE = 20,
REGISTRATION_ACK = 21,
SESSION_UPDATE = 22,
SESSION_ACK = 23,
CAPABILITIES_INFO = 24,
CAPABILITIES_INFO_ACK = 25,
BC_SERVICE_REQUEST = 0xb0, /* 3GPP2 A.S0019-A v2.0 */
BC_SERVICE_REPLY = 0xb1,
BC_REGISTRATION_REQUEST = 0xb2,
BC_REGISTRATION_REPLY = 0xb3,
BC_REGISTRATION_UPDATE = 0xb4,
BC_REGISTRATION_ACK = 0xb5
} a11MessageTypes;
static const value_string a11_types[] = {
{REGISTRATION_REQUEST, "Registration Request"},
{REGISTRATION_REPLY, "Registration Reply"},
{REGISTRATION_UPDATE, "Registration Update"},
{REGISTRATION_ACK, "Registration Ack"},
{SESSION_UPDATE, "Session Update"},
{SESSION_ACK, "Session Update Ack"},
{CAPABILITIES_INFO, "Capabilities Info"},
{CAPABILITIES_INFO_ACK, "Capabilities Info Ack"},
{BC_SERVICE_REQUEST, "BC Service Request"},
{BC_SERVICE_REPLY, "BC Service Response"},
{BC_REGISTRATION_REQUEST, "BC Registration RequestT"},
{BC_REGISTRATION_REPLY, "BC Registration Reply"},
{BC_REGISTRATION_UPDATE, "BC Registration Update"},
{BC_REGISTRATION_ACK, "BC Registration Acknowledge"},
{0, NULL},
};
static value_string_ext a11_types_ext = VALUE_STRING_EXT_INIT(a11_types);
static const value_string a11_ses_ptype_vals[] = {
{0x8881, "Unstructured Byte Stream"},
{0x88D2, "3GPP2 Packet"},
{0, NULL},
};
static const value_string a11_reply_codes[]= {
{0, "Reg Accepted"},
{9, "Connection Update"},
#if 0
{1, "Reg Accepted, but Simultaneous Bindings Unsupported."},
{64, "Reg Deny (FA)- Unspecified Reason"},
{65, "Reg Deny (FA)- Administratively Prohibited"},
{66, "Reg Deny (FA)- Insufficient Resources"},
{67, "Reg Deny (FA)- MN failed Authentication"},
{68, "Reg Deny (FA)- HA failed Authentication"},
{69, "Reg Deny (FA)- Requested Lifetime too Long"},
{70, "Reg Deny (FA)- Poorly Formed Request"},
{71, "Reg Deny (FA)- Poorly Formed Reply"},
{72, "Reg Deny (FA)- Requested Encapsulation Unavailable"},
{73, "Reg Deny (FA)- VJ Compression Unavailable"},
{74, "Reg Deny (FA)- Requested Reverse Tunnel Unavailable"},
{75, "Reg Deny (FA)- Reverse Tunnel is Mandatory and 'T' Bit Not Set"},
{76, "Reg Deny (FA)- Mobile Node Too Distant"},
{79, "Reg Deny (FA)- Delivery Style Not Supported"},
{80, "Reg Deny (FA)- Home Network Unreachable"},
{81, "Reg Deny (FA)- HA Host Unreachable"},
{82, "Reg Deny (FA)- HA Port Unreachable"},
{88, "Reg Deny (FA)- HA Unreachable"},
{96, "Reg Deny (FA)(NAI) - Non Zero Home Address Required"},
{97, "Reg Deny (FA)(NAI) - Missing NAI"},
{98, "Reg Deny (FA)(NAI) - Missing Home Agent"},
{99, "Reg Deny (FA)(NAI) - Missing Home Address"},
#endif
{128, "Registration Denied - Unspecified"}, /* 3GPP2 A.S0017-D v4.0 */
{129, "Registration Denied - Administratively Prohibited"},
{130, "Registration Denied - Insufficient Resources"},
{131, "Registration Denied - PCF Failed Authentication"},
/* {132, "Reg Deny (HA)- FA Failed Authentication"}, */
{133, "Registration Denied - Identification Mismatch"},
{134, "Registration Denied - Poorly Formed Request"},
/* {135, "Reg Deny (HA)- Too Many Simultaneous Bindings"}, */
{136, "Registration Denied - Unknown PDSN Address"},
{137, "Registration Denied - Requested Reverse Tunnel Unavailable"},
{138, "Registration Denied - Reverse Tunnel is Mandatory and 'T' Bit Not Set"},
{139, "Registration Denied - service option not supported"},
{140, "Registration Denied - no CID available"},
{141, "Registration Denied - unsupported Vendor ID / Application Type in CVSE"},
{142, "Registration Denied - nonexistent A10 or IP flow"},
{0, NULL},
};
static value_string_ext a11_reply_codes_ext = VALUE_STRING_EXT_INIT(a11_reply_codes);
static const value_string a11_ack_status[]= {
{0x00, "Update Accepted"},
{0x01, "Partial QoS updated"},
{0x80, "Update Denied - reason unspecified"},
{0x83, "Update Denied - sending node failed authentication"},
{0x85, "Update Denied - identification mismatch)"},
{0x86, "Update Denied - poorly formed registration update"},
{0xc9, "Update Denied - Session Parameter Not Updated"},
{0xca, "Update Denied - PMK not requested"},
{0xfd, "Update Denied - QoS profileID not supported"},
{0xfe, "Update Denied - insufficient resources"},
{0xff, "Update Denied - handoff in progress"},
{0, NULL},
};
static value_string_ext a11_ack_status_ext = VALUE_STRING_EXT_INIT(a11_ack_status);
typedef enum {
MH_AUTH_EXT = 32,
MF_AUTH_EXT = 33,
FH_AUTH_EXT = 34,
GEN_AUTH_EXT = 36, /* RFC 3012 */
OLD_CVSE_EXT = 37, /* RFC 3115 */
CVSE_EXT = 38, /* RFC 3115 */
SS_EXT = 39, /* 3GPP2 IOS4.2 */
RU_AUTH_EXT = 40, /* 3GPP2 IOS4.2 */
MN_NAI_EXT = 131,
MF_CHALLENGE_EXT = 132, /* RFC 3012 */
OLD_NVSE_EXT = 133, /* RFC 3115 */
NVSE_EXT = 134, /* RFC 3115 */
BCMCS_EXT = 0xb0 /* 3GPP2 A.S0019-A v2.0 */
} MIP_EXTS;
static const value_string a11_ext_types[]= {
{MH_AUTH_EXT, "Mobile-Home Authentication Extension"},
{MF_AUTH_EXT, "Mobile-Foreign Authentication Extension"},
{FH_AUTH_EXT, "Foreign-Home Authentication Extension"},
{GEN_AUTH_EXT, "Generalized Mobile-IP Authentication Extension"},
{OLD_CVSE_EXT, "Critical Vendor/Organization Specific Extension (OLD)"},
{CVSE_EXT, "Critical Vendor/Organization Specific Extension"},
{SS_EXT, "Session Specific Extension"},
{RU_AUTH_EXT, "Registration Update Authentication Extension"},
{MN_NAI_EXT, "Mobile Node NAI Extension"},
{MF_CHALLENGE_EXT, "MN-FA Challenge Extension"},
{OLD_NVSE_EXT, "Normal Vendor/Organization Specific Extension (OLD)"},
{NVSE_EXT, "Normal Vendor/Organization Specific Extension"},
{BCMCS_EXT, "BCMCS Session Extension"},
{0, NULL},
};
static value_string_ext a11_ext_types_ext = VALUE_STRING_EXT_INIT(a11_ext_types);
static const value_string a11_ext_stypes[]= {
{1, "MN AAA Extension"},
{0, NULL},
};
static const value_string a11_ext_nvose_qosmode[]= {
{0x00, "QoS Disabled"},
{0x01, "QoS Enabled"},
{0, NULL},
};
static const value_string a11_ext_nvose_srvopt[]= {
{0x0021, "3G High Speed Packet Data"},
{0x003B, "HRPD Main Service Connection"},
{0x003C, "Link Layer Assisted Header Removal"},
{0x003D, "Link Layer Assisted Robust Header Compression"},
{0x0040, "HRPD Accounting Records Identifier"}, /* 3GPP2 A.S0009-C v4.0 */
{0x0043, "HRPD Packet Data IP Service where Higher Layer Protocol is IP or ROHC"}, /* 3GPP2 A.S0009-C v4.0 */
{0x0047, "HRPD AltPPP operation"}, /* 3GPP2 A.S0009-C v4.0 */
{0, NULL},
};
static const value_string a11_ext_nvose_pdsn_code[]= {
{0xc1, "Connection Release - reason unspecified"},
{0xc2, "Connection Release - PPP time-out"},
{0xc3, "Connection Release - registration time-out"},
{0xc4, "Connection Release - PDSN error"},
{0xc5, "Connection Release - inter-PCF handoff"},
{0xc6, "Connection Release - inter-PDSN handoff"},
{0xc7, "Connection Release - PDSN OAM&P intervention"},
{0xc8, "Connection Release - accounting error"},
{0xca, "Connection Release - user (NAI) failed authentication"},
{0x00, NULL},
};
static const value_string a11_ext_dormant[]= {
{0x0000, "all MS packet data service instances are dormant"},
{0, NULL},
};
static const true_false_string a11_tfs_ehrpd_mode = {
"eAT is operating in evolved mode",
"eAT is operating in legacy mode"
};
/* 3GPP2 A.S0022-0 v2.0, section 4.2.14 */
static const true_false_string a11_tfs_ehrpd_pmk = {
"eAT is requesting PMK information",
"eAT is not requesting PMK information",
};
/* 3GPP2 A.S0022-0 v2.0, section 4.2.14 */
static const true_false_string a11_tfs_ehrpd_handoff_info = {
"eAT is requesting information for E-UTRAN handoff",
"eAT is not requesting information for E-UTRAN handoff",
};
/* 3GPP2 A.S0022-0 v2.0, section 4.2.14 */
static const true_false_string a11_tfs_ehrpd_tunnel_mode = {
"eAT is communicating via tunnel from non-eHRPD",
"eAT is communicating directly via eHRPD",
};
static const value_string a11_ext_app[]= {
{0x0101, "Accounting (RADIUS)"},
{0x0102, "Accounting (DIAMETER)"},
{0x0201, "Mobility Event Indicator (Mobility)"},
{0x0301, "Data Available Indicator (Data Ready to Send)"},
{0x0401, "Access Network Identifiers (ANID)"},
{0x0501, "PDSN Identifiers (Anchor P-P Address)"},
{0x0601, "Indicators (All Dormant Indicator)"},
{0x0602, "Indicators (eHRPD Mode)"}, /* 3GPP2 A.S0022-B v1.0 */
{0x0603, "Indicators (eHRPD Indicators)"}, /* 3GPP2 A.S0009-C v4.0 */
{0x0701, "PDSN Code (PDSN Code)"},
{0x0801, "Session Parameter (RN-PDIT:Radio Network Packet Data Inactivity Timer)"},
{0x0802, "Session Parameter (Always On)"},
{0x0803, "Session Parameter (QoS Mode)"},
{0x0901, "Service Option (Service Option Value)"},
{0x0A01, "PDSN Enabled Features (Flow Control Enabled)"},
{0x0A02, "PDSN Enabled Features (Packet Boundary Enabled)"},
{0x0A03, "PDSN Enabled Features (GRE Segmentation Enabled)"},
{0x0B01, "PCF Enabled Features (Short Data Indication Supported)"},
{0x0B02, "PCF Enabled Features (GRE Segmentation Enabled)"},
{0x0C01, "Additional Session Info"},
{0x0D01, "QoS Information (Forward QoS Information)"},
{0x0D02, "QoS Information (Reverse QoS Information)"},
{0x0D03, "QoS Information (Subscriber QoS Profile)"},
{0x0D04, "QoS Information (Forward Flow Priority Update Information)"},
{0x0D05, "QoS Information (Reverse Flow Priority Update Information)"},
{0x0DFE, "QoS Information (Forward QoS Update Information)"},
{0x0DFF, "QoS Information (Reverse QoS Update Information)"},
{0x0E01, "Header Compression (ROHC Configuration Parameters)"},
{0x0F01, "Information (Cause Code)"},
{0x0F04, "Information (Additional HSGW Information)"},
{0x1001, "HRPD Indicators (Emergency Services)"},
{0xB001, "System Identifiers (BSID / HRPD Subnet)"},
{0, NULL},
};
static value_string_ext a11_ext_app_ext = VALUE_STRING_EXT_INIT(a11_ext_app);
#if 0
static const value_string a11_airlink_types[]= {
{1, "Session Setup (Y=1)"},
{2, "Active Start (Y=2)"},
{3, "Active Stop (Y=3)"},
{4, "Short Data Burst (Y=4)"},
{0, NULL},
};
#endif
static const value_string a11_bcmcs_stype_vals[] = {
{1, "BCMCS Flow and Registration Information"},
{2, "Session Information"},
{3, "BCMCS Registration Result"},
{4, "Enhanced Session Information"},
{0, NULL},
};
#define A11_MSG_MSID_ELEM_LEN_MAX 8
#define A11_MSG_MSID_LEN_MAX 15
/* XXXX ToDo This should be imported from packet-rohc.h */
static const value_string a11_rohc_profile_vals[] =
{
{ 0x0000, "ROHC uncompressed" }, /*RFC 5795*/
{ 0x0001, "ROHC RTP" }, /*RFC 3095*/
{ 0x0002, "ROHC UDP" }, /*RFC 3095*/
{ 0x0003, "ROHC ESP" }, /*RFC 3095*/
{ 0x0004, "ROHC IP" }, /*RFC 3843*/
{ 0x0005, "ROHC LLA" }, /*RFC 3242*/
{ 0x0006, "ROHC TCP" }, /*RFC 4996*/
{ 0x0007, "ROHC RTP/UDP-Lite" }, /*RFC 4019*/
{ 0x0008, "ROHC UDP-Lite" }, /*RFC 4019*/
{ 0x0101, "ROHCv2 RTP" }, /*RFC 5225*/
{ 0x0102, "ROHCv2 UDP" }, /*RFC 5225*/
{ 0x0103, "ROHCv2 ESP" }, /*RFC 5225*/
{ 0x0104, "ROHCv2 IP" }, /*RFC 5225*/
{ 0x0105, "ROHC LLA with R-mode" }, /*RFC 3408*/
{ 0x0107, "ROHCv2 RTP/UDP-Lite" }, /*RFC 5225*/
{ 0x0108, "ROHCv2 UDP-Lite" }, /*RFC 5225*/
{ 0, NULL },
};
static value_string_ext a11_rohc_profile_vals_ext = VALUE_STRING_EXT_INIT(a11_rohc_profile_vals);
#define NUM_ATTR (sizeof(attrs)/sizeof(struct radius_attribute))
#define RADIUS_VENDOR_SPECIFIC 26
#define SKIP_HDR_LEN 6
/* decode MSID from SSE */
/* MSID is encoded in Binary Coded Decimal format
First Byte: [odd-indicator] [Digit 1]
Second Byte: [Digit 3] [Digit 2]
..
if[odd]
Last Byte: [Digit N] [Digit N-1]
else
Last Byte: [F] [Digit N]
*/
/* 3GPP2 A.S0008-C v4.0, 3GPP2 A.S0019-A v2.0 */
static const value_string a11_ses_msid_type_vals[] =
{
{ 0x0000, "No Identity Code" },
{ 0x0001, "MEID" },
{ 0x0005, "ESN" },
{ 0x0006, "IMSI" },
{ 0x0008, "BCMCS Flow ID" },
{ 0, NULL },
};
static int * const a11_flags[] = {
&hf_a11_s,
&hf_a11_b,
&hf_a11_d,
&hf_a11_m,
&hf_a11_g,
&hf_a11_v,
&hf_a11_t,
NULL
};
static void
decode_sse(proto_tree *ext_tree, packet_info *pinfo, tvbuff_t *tvb, int offset, guint ext_len, proto_item *ext_len_item)
{
guint8 msid_len;
guint8 msid_start_offset;
guint8 msid_num_digits;
guint8 msid_index;
char *msid_digits;
const char *p_msid;
gboolean odd_even_ind;
/* Decode Protocol Type */
if (ext_len < 2) {
expert_add_info_format(pinfo, ext_len_item, &ei_a11_sse_too_short,
"Cannot decode Protocol Type - SSE too short");
return;
}
proto_tree_add_item(ext_tree, hf_a11_ses_ptype, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
ext_len -= 2;
/* Decode Session Key */
if (ext_len < 4) {
expert_add_info_format(pinfo, ext_len_item, &ei_a11_sse_too_short,
"Cannot decode Session Key - SSE too short");
return;
}
proto_tree_add_item(ext_tree, hf_a11_ses_key, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
ext_len -= 4;
/* Decode Session Id Version */
if (ext_len < 2) {
expert_add_info_format(pinfo, ext_len_item, &ei_a11_sse_too_short,
"Cannot decode Session Id Version - SSE too short");
return;
}
proto_tree_add_item(ext_tree, hf_a11_ses_sidver, tvb, offset+1, 1, ENC_BIG_ENDIAN);
offset += 2;
ext_len -= 2;
/* Decode SRID */
if (ext_len < 2) {
expert_add_info_format(pinfo, ext_len_item, &ei_a11_sse_too_short,
"Cannot decode SRID - SSE too short");
return;
}
proto_tree_add_item(ext_tree, hf_a11_ses_mnsrid, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
ext_len -= 2;
/* MSID Type */
if (ext_len < 2) {
expert_add_info_format(pinfo, ext_len_item, &ei_a11_sse_too_short,
"Cannot decode MSID Type - SSE too short");
return;
}
proto_tree_add_item(ext_tree, hf_a11_ses_msid_type, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
ext_len -= 2;
/* MSID Len */
if (ext_len < 1) {
expert_add_info_format(pinfo, ext_len_item, &ei_a11_sse_too_short,
"Cannot decode MSID Length - SSE too short");
return;
}
msid_len = tvb_get_guint8(tvb, offset);
proto_tree_add_item(ext_tree, hf_a11_ses_msid_len, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
ext_len -= 1;
/* Decode MSID */
if (ext_len < msid_len) {
expert_add_info_format(pinfo, ext_len_item, &ei_a11_sse_too_short,
"Cannot decode MSID - SSE too short");
return;
}
msid_digits = (char *)wmem_alloc(wmem_packet_scope(), A11_MSG_MSID_LEN_MAX+2);
msid_start_offset = offset;
if (msid_len > A11_MSG_MSID_ELEM_LEN_MAX) {
p_msid = "MSID is too long";
} else if (msid_len == 0) {
p_msid = "MSID is too short";
} else {
/* Decode the BCD digits */
for (msid_index=0; msid_index<msid_len; msid_index++) {
guint8 msid_digit = tvb_get_guint8(tvb, offset);
offset += 1;
ext_len -= 1;
msid_digits[msid_index*2] = (msid_digit & 0x0F) + '0';
msid_digits[(msid_index*2) + 1] = ((msid_digit & 0xF0) >> 4) + '0';
}
odd_even_ind = (msid_digits[0] == '1');
if (odd_even_ind) {
msid_num_digits = ((msid_len-1) * 2) + 1;
} else {
msid_num_digits = (msid_len-1) * 2;
}
msid_digits[msid_num_digits + 1] = '\0';
p_msid = msid_digits + 1;
}
proto_tree_add_string(ext_tree, hf_a11_ses_msid, tvb, msid_start_offset, msid_len, p_msid);
}
static void
decode_bcmcs(proto_tree* ext_tree, packet_info *pinfo, tvbuff_t* tvb, int offset, guint ext_len, proto_item *ext_len_item)
{
guint8 bc_stype, entry_len;
/* Decode Protocol Type */
if (ext_len < 2) {
expert_add_info_format(pinfo, ext_len_item, &ei_a11_bcmcs_too_short,
"Cannot decode Protocol Type - BCMCS too short");
return;
}
bc_stype=tvb_get_guint8(tvb, offset);
proto_tree_add_item(ext_tree, hf_a11_bcmcs_stype, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
ext_len -= 1;
switch (bc_stype) {
case 1:
{
int i = 0;
proto_tree *entry_tree;
while (ext_len > 0) {
i++;
entry_len = tvb_get_guint8(tvb, offset);
if (entry_len == 0) {
ext_len -= 1;
entry_len = 1;
} else {
ext_len = ext_len - entry_len;
}
entry_tree = proto_tree_add_subtree_format(ext_tree, tvb, offset, entry_len,
ett_a11_bcmcs_entry, NULL, "BCMCS Information Entry %u", i);
proto_tree_add_item(entry_tree, hf_a11_bcmcs_entry_len, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_expert(ext_tree, pinfo, &ei_a11_entry_data_not_dissected, tvb, offset, entry_len -1);
offset = offset+entry_len;
}
}
break;
default:
proto_tree_add_expert_format(ext_tree, pinfo, &ei_a11_session_data_not_dissected, tvb, offset, -1, "Session Data Type %u Not dissected yet", bc_stype);
return;
break;
}
}
/* RADIUS attributed */
static void
dissect_a11_radius( tvbuff_t *tvb, packet_info *pinfo, int offset, proto_tree *tree, int app_len)
{
proto_tree *radius_tree;
/* None of this really matters if we don't have a tree */
if (!tree)
return;
/* return if length of extension is not valid */
if (tvb_reported_length_remaining(tvb, offset) < 12) {
return;
}
radius_tree = proto_tree_add_subtree(tree, tvb, offset - 2, app_len, ett_a11_radiuses, NULL, "Airlink Record");
dissect_attribute_value_pairs(radius_tree, pinfo, tvb, offset, app_len-2);
}
/* X.S0011-005-D v2.0 Service Option Profile */
static const gchar *
dissect_3gpp2_service_option_profile(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo)
{
int offset = 0;
guint8 sub_type, sub_type_length;
proto_item *pi;
/* Maximum service connections/Link Flows total 32 bit*/
proto_tree_add_item(tree, hf_a11_serv_opt_prof_max_serv, tvb, offset, 4, ENC_BIG_ENDIAN);
offset+=4;
while (tvb_reported_length_remaining(tvb,offset) > 0) {
sub_type_length = tvb_get_guint8(tvb,offset+1);
sub_type = tvb_get_guint8(tvb,offset);
proto_tree_add_item(tree, hf_a11_sub_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
pi = proto_tree_add_item(tree, hf_a11_sub_type_length, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
if (sub_type_length < 2) {
expert_add_info(pinfo, pi, &ei_a11_sub_type_length_not2);
sub_type_length = 2;
}
if (sub_type == 1) {
proto_tree_add_item(tree, hf_a11_serv_opt, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Max number of service instances of Service Option n */
proto_tree_add_item(tree, hf_a11_max_num_serv_opt, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
}
offset = offset + sub_type_length-2;
}
return "";
}
static const value_string a11_aut_flow_prof_subtype_vals[] = {
{0x1, "ProfileID-Forward"},
{0x2, "ProfileID-Reverse"},
{0x3, "ProfileID-Bi-direction"},
{0, NULL},
};
/* X.S0011-005-D v2.0 Authorized Flow Profile IDs for the User */
static const gchar *
dissect_3gpp2_radius_aut_flow_profile_ids(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo)
{
proto_tree *sub_tree;
int offset = 0;
proto_item *item;
guint8 sub_type, sub_type_length;
guint32 value;
while (tvb_reported_length_remaining(tvb,offset) > 0) {
sub_type = tvb_get_guint8(tvb,offset);
sub_type_length = tvb_get_guint8(tvb,offset+1);
/* value is 2 octets */
value = tvb_get_ntohs(tvb,offset+2);
sub_tree = proto_tree_add_subtree_format(tree, tvb, offset, sub_type_length, ett_a11_aut_flow_profile_ids, &item,
"%s = %u", val_to_str_const(sub_type, a11_aut_flow_prof_subtype_vals, "Unknown"), value);
proto_tree_add_item(sub_tree, hf_a11_aut_flow_prof_sub_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
item = proto_tree_add_item(sub_tree, hf_a11_aut_flow_prof_sub_type_len, tvb, offset, 1, ENC_BIG_ENDIAN);
if (sub_type_length < 2) {
expert_add_info(pinfo, item, &ei_a11_sub_type_length_not2);
sub_type_length = 2;
}
offset += 1;
proto_tree_add_item(sub_tree, hf_a11_aut_flow_prof_sub_type_value, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset+sub_type_length - 2;
}
return "";
}
/* Code to dissect Additional Session Info */
static void
dissect_ase(tvbuff_t *tvb, int offset, guint ase_len, proto_tree *ext_tree)
{
guint clen = 0; /* consumed length */
while (clen < ase_len) {
proto_tree *exts_tree;
guint8 srid = tvb_get_guint8(tvb, offset+1);
guint16 service_option = tvb_get_ntohs(tvb, offset+2);
guint8 entry_length;
int entry_start_offset;
/* Entry Length */
entry_start_offset = offset;
entry_length = tvb_get_guint8(tvb, offset);
if (registration_request_msg && ((service_option == 64) || (service_option == 67)))
exts_tree = proto_tree_add_subtree_format(ext_tree, tvb, offset, entry_length+1,
ett_a11_ase, NULL, "GRE Key Entry (SRID: %d)", srid);
else
exts_tree = proto_tree_add_subtree_format(ext_tree, tvb, offset, entry_length,
ett_a11_ase, NULL, "GRE Key Entry (SRID: %d)", srid);
proto_tree_add_item(exts_tree, hf_a11_ase_len_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* SRID */
proto_tree_add_item(exts_tree, hf_a11_ase_srid_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Service Option */
proto_tree_add_item(exts_tree, hf_a11_ase_servopt_type, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* GRE Protocol Type*/
proto_tree_add_item(exts_tree, hf_a11_ase_gre_proto_type, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* GRE Key */
proto_tree_add_item(exts_tree, hf_a11_ase_gre_key, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* PCF IP Address */
proto_tree_add_item(exts_tree, hf_a11_ase_pcf_addr_key, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
if ((entry_length>14)&&(registration_request_msg)) {
if (service_option == 0x0043) {
proto_tree *extv_tree;
guint8 profile_count = tvb_get_guint8(tvb, offset+6);
guint8 profile_index = 0;
guint8 reverse_profile_count;
proto_tree *extt_tree = proto_tree_add_subtree(exts_tree, tvb, offset,6+(profile_count*2)+1,
ett_a11_forward_rohc, NULL, "Forward ROHC Info");
proto_tree_add_item(extt_tree, hf_a11_ase_forward_rohc_info_len, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(extt_tree, hf_a11_ase_forward_maxcid, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(extt_tree, hf_a11_ase_forward_mrru, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(extt_tree, hf_a11_ase_forward_large_cids, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
profile_count=tvb_get_guint8(tvb, offset);
proto_tree_add_item(extt_tree, hf_a11_ase_forward_profile_count, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
for (profile_index=0; profile_index<profile_count; profile_index++) {
proto_tree *extu_tree = proto_tree_add_subtree_format(extt_tree, tvb, offset, (2*profile_count),
ett_a11_forward_profile, NULL, "Forward Profile : %d", profile_index);
proto_tree_add_item(extu_tree, hf_a11_ase_forward_profile, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
}/*for*/
reverse_profile_count=tvb_get_guint8(tvb, offset+6);
extv_tree = proto_tree_add_subtree(exts_tree, tvb, offset,6+(reverse_profile_count*2)+1,
ett_a11_reverse_rohc, NULL, "Reverse ROHC Info");
proto_tree_add_item(extv_tree, hf_a11_ase_reverse_rohc_info_len, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(extv_tree, hf_a11_ase_reverse_maxcid, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(extv_tree, hf_a11_ase_reverse_mrru, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(extv_tree, hf_a11_ase_reverse_large_cids, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
profile_count=tvb_get_guint8(tvb, offset);
proto_tree_add_item(extv_tree, hf_a11_ase_reverse_profile_count, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
for (profile_index=0; profile_index<reverse_profile_count; profile_index++) {
proto_tree *extw_tree = proto_tree_add_subtree_format(extv_tree, tvb, offset, (2*profile_count),
ett_a11_reverse_profile, NULL, "Reverse Profile : %d", profile_index);
proto_tree_add_item(extw_tree, hf_a11_ase_reverse_profile, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
}/*for*/
}/* Service option */
}/* if */
clen += entry_length + 1;
/* Set offset = start of next entry in case of padding */
offset = entry_start_offset + entry_length+1;
} /* while */
registration_request_msg =0;
}
#define A11_FQI_IPFLOW_DISC_ENABLED 0x80
#define A11_FQI_DSCP_INCLUDED 0x40
static void
dissect_fwd_qosinfo_flags(tvbuff_t *tvb, int offset, proto_tree *ext_tree, guint8 *p_dscp_included)
{
guint8 flags = tvb_get_guint8(tvb, offset);
proto_item *ti = proto_tree_add_item(ext_tree, hf_a11_fqi_flags, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree *flags_tree = proto_item_add_subtree(ti, ett_a11_fqi_flags);
proto_tree_add_item(flags_tree, hf_a11_fqi_flags_ip_flow, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(flags_tree, hf_a11_fqi_flags_dscp, tvb, offset, 1, ENC_BIG_ENDIAN);
if (flags & A11_FQI_DSCP_INCLUDED) {
*p_dscp_included = 1;
} else {
*p_dscp_included = 0;
}
}
static void
dissect_fqi_entry_flags(tvbuff_t *tvb, int offset, proto_tree *ext_tree, guint8 dscp_enabled)
{
proto_item *ti = proto_tree_add_item(ext_tree, hf_a11_fqi_entry_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree *flags_tree = proto_item_add_subtree(ti, ett_a11_fqi_entry_flags);
if (dscp_enabled) {
proto_tree_add_item(flags_tree, hf_a11_fqi_entry_flag_dscp, tvb, offset, 1, ENC_BIG_ENDIAN);
}
proto_tree_add_item(flags_tree, hf_a11_fqi_entry_flag_flow_state, tvb, offset, 1, ENC_BIG_ENDIAN);
}
static void
dissect_rqi_entry_flags(tvbuff_t *tvb, int offset, proto_tree *ext_tree)
{
proto_item *ti = proto_tree_add_item(ext_tree, hf_a11_rqi_entry_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree *flags_tree = proto_item_add_subtree(ti, ett_a11_rqi_entry_flags);
proto_tree_add_item(flags_tree, hf_a11_rqi_entry_flag_flow_state, tvb, offset, 1, ENC_BIG_ENDIAN);
}
/* Code to dissect Forward QoS Info */
static void
dissect_fwd_qosinfo(tvbuff_t *tvb, int offset, proto_tree *ext_tree)
{
int clen = 0; /* consumed length */
guint8 flow_count;
guint8 flow_index;
guint8 dscp_enabled = 0;
/* SR Id */
proto_tree_add_item(ext_tree, hf_a11_fqi_srid, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Flags */
dissect_fwd_qosinfo_flags(tvb, offset+clen, ext_tree, &dscp_enabled);
clen++;
/* Flow Count */
flow_count = tvb_get_guint8(tvb, offset+clen);
flow_count &= 0x1F;
proto_tree_add_item(ext_tree, hf_a11_fqi_flowcount, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
for (flow_index=0; flow_index<flow_count; flow_index++) {
guint8 requested_qos_len = 0;
guint8 granted_qos_len = 0;
guint8 entry_len = tvb_get_guint8(tvb, offset+clen);
guint8 flow_id = tvb_get_guint8(tvb, offset+clen+1);
proto_tree *flow_tree = proto_tree_add_subtree_format(ext_tree, tvb, offset+clen,
entry_len+1, ett_a11_fqi_flowentry, NULL, "Forward Flow Entry (Flow Id: %d)", flow_id);
/* Entry Length */
proto_tree_add_item(flow_tree, hf_a11_fqi_entrylen, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Flow Id */
proto_tree_add_item(flow_tree, hf_a11_fqi_flowid, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* DSCP and Flow State*/
dissect_fqi_entry_flags(tvb, offset+clen, flow_tree, dscp_enabled);
clen++;
/* Requested QoS Length */
requested_qos_len = tvb_get_guint8(tvb, offset+clen);
proto_tree_add_item(flow_tree, hf_a11_fqi_requested_qoslen, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Requested QoS Blob */
if (requested_qos_len) {
proto_tree *exts_tree2;
proto_tree *exts_tree1 = proto_tree_add_subtree(flow_tree, tvb, offset+clen,requested_qos_len,
ett_a11_fqi_requestedqos, NULL, "Forward Requested QoS ");
/* Flow Priority */
proto_tree_add_item(exts_tree1, hf_a11_fqi_flow_priority, tvb,offset+clen , 1, ENC_BIG_ENDIAN);
/* Num of QoS attribute sets */
proto_tree_add_item(exts_tree1, hf_a11_fqi_num_qos_attribute_set, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
/* QoS attribute set length */
proto_tree_add_item(exts_tree1, hf_a11_fqi_qos_attribute_setlen, tvb, offset+clen, 2, ENC_BIG_ENDIAN);
clen++;
/* QoS attribute set */
exts_tree2 = proto_tree_add_subtree(exts_tree1, tvb, offset+clen, 4, ett_a11_fqi_qos_attribute_set,
NULL, "QoS Attribute Set");
/* QoS attribute setid */
proto_tree_add_item(exts_tree2, hf_a11_fqi_qos_attribute_setid, tvb, offset+clen, 2, ENC_BIG_ENDIAN);
clen++;
/* verbose */
proto_tree_add_item(exts_tree2, hf_a11_fqi_verbose, tvb,offset+clen, 1, ENC_BIG_ENDIAN);
/* Flow profile id */
proto_tree_add_item(exts_tree2, hf_a11_fqi_flow_profileid, tvb, offset+clen, 3, ENC_BIG_ENDIAN);
clen += 3;
}
/* Granted QoS Length */
granted_qos_len = tvb_get_guint8(tvb, offset+clen);
proto_tree_add_item(flow_tree, hf_a11_fqi_granted_qoslen, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Granted QoS Blob */
if (granted_qos_len) {
proto_tree *exts_tree3;
exts_tree3 = proto_tree_add_subtree(flow_tree, tvb, offset+clen, granted_qos_len,
ett_a11_fqi_grantedqos, NULL, "Forward Granted QoS ");
/* QoS attribute setid */
proto_tree_add_item(exts_tree3, hf_a11_fqi_qos_granted_attribute_setid, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
}
} /* for (flow_index...) */
}
/* Code to dissect Reverse QoS Info */
static void
dissect_rev_qosinfo(tvbuff_t *tvb, int offset, proto_tree *ext_tree)
{
int clen = 0; /* consumed length */
guint8 flow_count;
guint8 flow_index;
/* SR Id */
proto_tree_add_item(ext_tree, hf_a11_rqi_srid, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Flow Count */
flow_count = tvb_get_guint8(tvb, offset+clen);
flow_count &= 0x1F;
proto_tree_add_item(ext_tree, hf_a11_rqi_flowcount, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
for (flow_index=0; flow_index<flow_count; flow_index++) {
guint8 requested_qos_len;
guint8 granted_qos_len;
guint8 entry_len = tvb_get_guint8(tvb, offset+clen);
guint8 flow_id = tvb_get_guint8(tvb, offset+clen+1);
proto_tree *flow_tree = proto_tree_add_subtree_format
(ext_tree, tvb, offset+clen, entry_len+1, ett_a11_rqi_flowentry, NULL,
"Reverse Flow Entry (Flow Id: %d)", flow_id);
/* Entry Length */
proto_tree_add_item(flow_tree, hf_a11_rqi_entrylen, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Flow Id */
proto_tree_add_item(flow_tree, hf_a11_rqi_flowid, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Flags */
dissect_rqi_entry_flags(tvb, offset+clen, flow_tree);
clen++;
/* Requested QoS Length */
requested_qos_len = tvb_get_guint8(tvb, offset+clen);
proto_tree_add_item(flow_tree, hf_a11_rqi_requested_qoslen, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Requested QoS Blob */
if (requested_qos_len) {
proto_tree *exts_tree1, *exts_tree2;
exts_tree1 = proto_tree_add_subtree(flow_tree, tvb, offset+clen,requested_qos_len,
ett_a11_rqi_requestedqos, NULL, "Reverse Requested QoS ");
/* Flow Priority */
proto_tree_add_item(exts_tree1, hf_a11_rqi_flow_priority, tvb,offset+clen , 1, ENC_BIG_ENDIAN);
/* Num of QoS attribute sets */
proto_tree_add_item(exts_tree1, hf_a11_rqi_num_qos_attribute_set, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
/* QoS attribute set length */
proto_tree_add_item(exts_tree1, hf_a11_rqi_qos_attribute_setlen, tvb, offset+clen, 2, ENC_BIG_ENDIAN);
clen++;
/* QoS attribute set */
exts_tree2 = proto_tree_add_subtree(exts_tree1, tvb, offset+clen, 4,
ett_a11_rqi_qos_attribute_set, NULL, "QoS Attribute Set");
/* QoS attribute setid */
proto_tree_add_item(exts_tree2, hf_a11_rqi_qos_attribute_setid, tvb, offset+clen, 2, ENC_BIG_ENDIAN);
clen++;
/* verbose */
proto_tree_add_item(exts_tree2, hf_a11_rqi_verbose, tvb,offset+clen, 1, ENC_BIG_ENDIAN);
/* Flow profile id */
proto_tree_add_item(exts_tree2, hf_a11_rqi_flow_profileid, tvb, offset+clen, 3, ENC_BIG_ENDIAN);
clen += 3;
}
/* Granted QoS Length */
granted_qos_len = tvb_get_guint8(tvb, offset+clen);
proto_tree_add_item(flow_tree, hf_a11_rqi_granted_qoslen, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Granted QoS Blob */
if (granted_qos_len) {
proto_tree *exts_tree3;
exts_tree3 = proto_tree_add_subtree(flow_tree, tvb, offset+clen,granted_qos_len,
ett_a11_rqi_grantedqos, NULL, "Reverse Granted QoS ");
/* QoS attribute setid */
proto_tree_add_item(exts_tree3, hf_a11_rqi_qos_granted_attribute_setid, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
}
}
}
/* Code to dissect Subscriber QoS Profile */
static void
dissect_subscriber_qos_profile(tvbuff_t *tvb, packet_info *pinfo, int offset, int ext_len, proto_tree *ext_tree)
{
proto_tree *exts_tree;
int qos_profile_len = ext_len;
exts_tree =
proto_tree_add_subtree_format(ext_tree, tvb, offset, 0, ett_a11_subscriber_profile, NULL,
"Subscriber Qos Profile (%d bytes)",
qos_profile_len);
/* Subscriber QoS profile */
if (qos_profile_len) {
proto_tree_add_item
(exts_tree, hf_a11_subsciber_profile, tvb, offset,
qos_profile_len, ENC_NA);
dissect_attribute_value_pairs(exts_tree, pinfo, tvb, offset, qos_profile_len);
}
}
/* Code to dissect Forward QoS Update Info */
static void
dissect_fwd_qosupdate_info(tvbuff_t *tvb, int offset, proto_tree *ext_tree)
{
int clen = 0; /* consumed length */
guint8 flow_count;
guint8 flow_index;
/* Flow Count */
flow_count = tvb_get_guint8(tvb, offset+clen);
proto_tree_add_item(ext_tree, hf_a11_fqui_flowcount, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
for (flow_index=0; flow_index<flow_count; flow_index++) {
proto_tree *exts_tree;
guint8 granted_qos_len;
guint8 flow_id = tvb_get_guint8(tvb, offset+clen);
exts_tree = proto_tree_add_subtree_format
(ext_tree, tvb, offset+clen, 1, ett_a11_fqui_flowentry, NULL,
"Forward Flow Entry (Flow Id: %d)", flow_id);
clen++;
/* Forward QoS Sub Blob Length */
granted_qos_len = tvb_get_guint8(tvb, offset+clen);
proto_tree_add_item
(exts_tree, hf_a11_fqui_updated_qoslen, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Forward QoS Sub Blob */
if (granted_qos_len) {
proto_tree_add_item
(exts_tree, hf_a11_fqui_updated_qos, tvb, offset+clen,
granted_qos_len, ENC_NA);
clen += granted_qos_len;
}
}
}
/* Code to dissect Reverse QoS Update Info */
static void
dissect_rev_qosupdate_info(tvbuff_t *tvb, int offset, proto_tree *ext_tree)
{
int clen = 0; /* consumed length */
guint8 flow_count;
guint8 flow_index;
/* Flow Count */
flow_count = tvb_get_guint8(tvb, offset+clen);
proto_tree_add_item(ext_tree, hf_a11_rqui_flowcount, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
for (flow_index=0; flow_index<flow_count; flow_index++) {
proto_tree *exts_tree;
guint8 granted_qos_len;
guint8 flow_id = tvb_get_guint8(tvb, offset+clen);
exts_tree = proto_tree_add_subtree_format
(ext_tree, tvb, offset+clen, 1, ett_a11_rqui_flowentry, NULL,
"Reverse Flow Entry (Flow Id: %d)", flow_id);
clen++;
/* Reverse QoS Sub Blob Length */
granted_qos_len = tvb_get_guint8(tvb, offset+clen);
proto_tree_add_item
(exts_tree, hf_a11_rqui_updated_qoslen, tvb, offset+clen, 1, ENC_BIG_ENDIAN);
clen++;
/* Reverse QoS Sub Blob */
if (granted_qos_len) {
proto_tree_add_item
(exts_tree, hf_a11_rqui_updated_qos, tvb, offset+clen,
granted_qos_len, ENC_NA);
clen += granted_qos_len;
}
}
}
/* Code to dissect extensions */
static void
dissect_a11_extensions( tvbuff_t *tvb, packet_info *pinfo, int offset, proto_tree *tree)
{
proto_tree *exts_tree;
proto_tree *ext_tree;
proto_item *ext_len_item = NULL;
guint ext_len;
guint8 ext_type;
guint8 ext_subtype = 0;
guint hdrLen;
gint16 apptype = -1;
/* Add our tree, if we have extensions */
exts_tree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_a11_exts, NULL, "Extensions");
/* And, handle each extension */
while (tvb_reported_length_remaining(tvb, offset) > 0) {
/* Get our extension info */
ext_type = tvb_get_guint8(tvb, offset);
if (ext_type == GEN_AUTH_EXT) {
/*
* Very nasty . . breaks normal extensions, since the length is
* in the wrong place :(
*/
ext_subtype = tvb_get_guint8(tvb, offset + 1);
ext_len = tvb_get_ntohs(tvb, offset + 2);
hdrLen = 4;
} else if ((ext_type == CVSE_EXT) || (ext_type == OLD_CVSE_EXT)) {
ext_len = tvb_get_ntohs(tvb, offset + 2);
ext_subtype = tvb_get_guint8(tvb, offset + 8);
hdrLen = 4;
} else {
ext_len = tvb_get_guint8(tvb, offset + 1);
hdrLen = 2;
}
ext_tree = proto_tree_add_subtree_format(exts_tree, tvb, offset, ext_len + hdrLen,
ett_a11_ext, NULL, "Extension: %s",
val_to_str_ext(ext_type, &a11_ext_types_ext,
"Unknown Extension %u"));
proto_tree_add_uint(ext_tree, hf_a11_ext_type, tvb, offset, 1, ext_type);
offset += 1;
if (ext_type == SS_EXT) {
ext_len_item = proto_tree_add_uint(ext_tree, hf_a11_ext_len, tvb, offset, 1, ext_len);
offset += 1;
}
else if ((ext_type == CVSE_EXT) || (ext_type == OLD_CVSE_EXT)) {
offset += 1;
ext_len_item = proto_tree_add_uint(ext_tree, hf_a11_ext_len, tvb, offset, 2, ext_len);
offset += 2;
}
else if (ext_type != GEN_AUTH_EXT) {
/* Another nasty hack since GEN_AUTH_EXT broke everything */
ext_len_item = proto_tree_add_uint(ext_tree, hf_a11_ext_len, tvb, offset, 1, ext_len);
offset += 1;
}
switch (ext_type) {
case SS_EXT:
decode_sse(ext_tree, pinfo, tvb, offset, ext_len, ext_len_item);
offset += ext_len;
ext_len = 0;
break;
case MH_AUTH_EXT:
case MF_AUTH_EXT:
case FH_AUTH_EXT:
case RU_AUTH_EXT:
/* All these extensions look the same. 4 byte SPI followed by a key */
if (ext_len < 4)
break;
proto_tree_add_item(ext_tree, hf_a11_aext_spi, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
ext_len -= 4;
if (ext_len == 0)
break;
proto_tree_add_item(ext_tree, hf_a11_aext_auth, tvb, offset, ext_len,
ENC_NA);
break;
case MN_NAI_EXT:
if (ext_len == 0)
break;
/*
* RFC 2486 speaks only of ASCII; RFC 4282 expands that to
* UTF-8.
*/
proto_tree_add_item(ext_tree, hf_a11_next_nai, tvb, offset,
ext_len, ENC_UTF_8|ENC_NA);
break;
case GEN_AUTH_EXT: /* RFC 3012 */
/*
* Very nasty . . breaks normal extensions, since the length is
* in the wrong place :(
*/
proto_tree_add_uint(ext_tree, hf_a11_ext_stype, tvb, offset, 1, ext_subtype);
offset += 1;
proto_tree_add_uint(ext_tree, hf_a11_ext_len, tvb, offset, 2, ext_len);
offset += 2;
/* SPI */
if (ext_len < 4)
break;
proto_tree_add_item(ext_tree, hf_a11_aext_spi, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
ext_len -= 4;
/* Key */
if (ext_len == 0)
break;
proto_tree_add_item(ext_tree, hf_a11_aext_auth, tvb, offset,
ext_len, ENC_NA);
break;
case OLD_CVSE_EXT: /* RFC 3115 */
case CVSE_EXT: /* RFC 3115 */
if (ext_len < 4)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_vid, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
ext_len -= 4;
if (ext_len < 2)
break;
apptype = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(ext_tree, hf_a11_vse_apptype, tvb, offset, 2, apptype);
offset += 2;
ext_len -= 2;
if (apptype == 0x0101) {
if (tvb_reported_length_remaining(tvb, offset) > 0) {
dissect_a11_radius(tvb, pinfo, offset, ext_tree, ext_len + 2);
}
}
break;
case OLD_NVSE_EXT: /* RFC 3115 */
case NVSE_EXT: /* RFC 3115 */
if (ext_len < 6)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_vid, tvb, offset+2, 4, ENC_BIG_ENDIAN);
offset += 6;
ext_len -= 6;
proto_tree_add_item(ext_tree, hf_a11_vse_apptype, tvb, offset, 2, ENC_BIG_ENDIAN);
if (ext_len < 2)
break;
apptype = tvb_get_ntohs(tvb, offset);
offset += 2;
ext_len -= 2;
switch (apptype) {
case 0x0401:
if (ext_len < 5)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_panid, tvb, offset, 5, ENC_NA);
offset += 5;
ext_len -= 5;
if (ext_len < 5)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_canid, tvb, offset, 5, ENC_NA);
break;
case 0x0501:
if (ext_len < 4)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_ppaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case 0x0601:
if (ext_len < 2)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_dormant, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case 0x0602:
/* eHRPD Mode */
if (ext_len < 1)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_ehrpd_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
break;
case 0x0603:
/* eHRPD Indicators */
if (ext_len < 1)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_ehrpd_pmk, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ext_tree, hf_a11_vse_ehrpd_handoff_info, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ext_tree, hf_a11_vse_ehrpd_tunnel_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
break;
case 0x0701:
if (ext_len < 1)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_code, tvb, offset, 1, ENC_BIG_ENDIAN);
break;
case 0x0801:
if (ext_len < 1)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_pdit, tvb, offset, 1, ENC_BIG_ENDIAN);
break;
case 0x0802:
proto_tree_add_item(ext_tree, hf_a11_vse_session_parameter, tvb, offset, -1, ENC_NA);
break;
case 0x0803:
proto_tree_add_item(ext_tree, hf_a11_vse_qosmode, tvb, offset, 1, ENC_BIG_ENDIAN);
break;
case 0x0901:
if (ext_len < 2)
break;
proto_tree_add_item(ext_tree, hf_a11_vse_srvopt, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case 0x0C01:
dissect_ase(tvb, offset, ext_len, ext_tree);
break;
case 0x0D01:
dissect_fwd_qosinfo(tvb, offset, ext_tree);
break;
case 0x0D02:
dissect_rev_qosinfo(tvb, offset, ext_tree);
break;
case 0x0D03:
dissect_subscriber_qos_profile(tvb, pinfo, offset, ext_len, ext_tree);
break;
case 0x0DFE:
dissect_fwd_qosupdate_info(tvb, offset, ext_tree);
break;
case 0x0DFF:
dissect_rev_qosupdate_info(tvb, offset, ext_tree);
break;
}
break;
case BCMCS_EXT:
decode_bcmcs(ext_tree, pinfo, tvb, offset, ext_len, ext_len_item);
offset += ext_len;
ext_len = 0;
break;
case MF_CHALLENGE_EXT: /* RFC 3012 */
/* The default dissector is good here. The challenge is all hex anyway. */
default:
proto_tree_add_item(ext_tree, hf_a11_ext, tvb, offset, ext_len, ENC_NA);
break;
} /* ext type */
offset += ext_len;
} /* while data remaining */
} /* dissect_a11_extensions */
/* Code to actually dissect the packets */
static int
dissect_a11( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
/* Set up structures we will need to add the protocol subtree and manage it */
proto_item *ti;
proto_tree *a11_tree = NULL;
guint8 type;
guint offset = 0;
if (!tvb_bytes_exist(tvb, offset, 1))
return 0; /* not enough data to check message type */
type = tvb_get_guint8(tvb, offset);
if (try_val_to_str_ext(type, &a11_types_ext) == NULL)
return 0; /* not a known message type */
/* Make entries in Protocol column and Info column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "3GPP2 A11");
col_clear(pinfo->cinfo, COL_INFO);
if (type == REGISTRATION_REQUEST)
registration_request_msg =1;
else
registration_request_msg =0;
switch (type) {
case REGISTRATION_REQUEST:
registration_request_msg = 1;
col_add_fstr(pinfo->cinfo, COL_INFO, "Reg Request: PDSN=%s PCF=%s",
tvb_ip_to_str(tvb, 8),
tvb_ip_to_str(tvb, 12));
if (tree) {
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* flags */
proto_tree_add_bitmask(a11_tree, tvb, offset, hf_a11_flags,
ett_a11_flags, a11_flags, ENC_NA);
offset += 1;
/* lifetime */
proto_tree_add_item(a11_tree, hf_a11_life, tvb, offset, 2, ENC_BIG_ENDIAN);
offset +=2;
/* home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* home agent address */
proto_tree_add_item(a11_tree, hf_a11_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Care of Address */
proto_tree_add_item(a11_tree, hf_a11_coa, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case REGISTRATION_REPLY:
col_add_fstr(pinfo->cinfo, COL_INFO, "Reg Reply: PDSN=%s, Code=%u",
tvb_ip_to_str(tvb, 8), tvb_get_guint8(tvb,1));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reply Code */
proto_tree_add_item(a11_tree, hf_a11_code, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Registration Lifetime */
proto_tree_add_item(a11_tree, hf_a11_life, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Home Agent Address */
proto_tree_add_item(a11_tree, hf_a11_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case REGISTRATION_UPDATE:
col_add_fstr(pinfo->cinfo, COL_INFO,"Reg Update: PDSN=%s",
tvb_ip_to_str(tvb, 8));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reserved */
offset += 3;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Home Agent Address */
proto_tree_add_item(a11_tree, hf_a11_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case REGISTRATION_ACK:
col_add_fstr(pinfo->cinfo, COL_INFO, "Reg Ack: PCF=%s Status=%u",
tvb_ip_to_str(tvb, 8),
tvb_get_guint8(tvb,3));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reserved */
offset += 2;
/* Ack Status */
proto_tree_add_item(a11_tree, hf_a11_status, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Care of Address */
proto_tree_add_item(a11_tree, hf_a11_coa, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case SESSION_UPDATE: /* IOS4.3 */
col_add_fstr(pinfo->cinfo, COL_INFO,"Ses Update: PDSN=%s",
tvb_ip_to_str(tvb, 8));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reserved */
offset += 3;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Home Agent Address */
proto_tree_add_item(a11_tree, hf_a11_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case SESSION_ACK: /* IOS4.3 */
col_add_fstr(pinfo->cinfo, COL_INFO, "Ses Upd Ack: PCF=%s, Status=%u",
tvb_ip_to_str(tvb, 8),
tvb_get_guint8(tvb,3));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reserved */
offset += 2;
/* Ack Status */
proto_tree_add_item(a11_tree, hf_a11_status, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Care of Address */
proto_tree_add_item(a11_tree, hf_a11_coa, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case CAPABILITIES_INFO: /* IOS5.1 */
col_add_fstr(pinfo->cinfo, COL_INFO, "Cap Info: PDSN=%s, PCF=%s",
tvb_ip_to_str(tvb, 8),
tvb_ip_to_str(tvb, 12));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reserved */
offset += 3;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Home Agent Address */
proto_tree_add_item(a11_tree, hf_a11_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Care of Address */
proto_tree_add_item(a11_tree, hf_a11_coa, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case CAPABILITIES_INFO_ACK: /* IOS5.1 */
col_add_fstr(pinfo->cinfo, COL_INFO, "Cap Info Ack: PCF=%s",
tvb_ip_to_str(tvb, 8));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reserved */
offset += 3;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Care of Address */
proto_tree_add_item(a11_tree, hf_a11_coa, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case BC_SERVICE_REQUEST:
col_add_fstr(pinfo->cinfo, COL_INFO, "Service Request: PCF=%s ",
tvb_ip_to_str(tvb, offset + 8));
if (tree) {
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 4;
/* home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Care-of-Address */
proto_tree_add_item(a11_tree, hf_a11_coa, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case BC_SERVICE_REPLY:
col_add_fstr(pinfo->cinfo, COL_INFO, "Service Response: BSN=%s ",
tvb_ip_to_str(tvb, offset + 8));
if (tree) {
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 3;
/* Reply Code */
proto_tree_add_item(a11_tree, hf_a11_code, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Home Agent */
proto_tree_add_item(a11_tree, hf_a11_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case BC_REGISTRATION_REQUEST:
col_add_fstr(pinfo->cinfo, COL_INFO, "BC Reg Request: BSN=%s ",
tvb_ip_to_str(tvb, offset + 8));
if (tree) {
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* flags */
proto_tree_add_bitmask(a11_tree, tvb, offset, hf_a11_flags,
ett_a11_flags, a11_flags, ENC_NA);
offset += 1;
/* lifetime */
proto_tree_add_item(a11_tree, hf_a11_life, tvb, offset, 2, ENC_BIG_ENDIAN);
offset +=2;
/* home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Home Agent */
proto_tree_add_item(a11_tree, hf_a11_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Care-of-Address */
proto_tree_add_item(a11_tree, hf_a11_coa, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case BC_REGISTRATION_REPLY:
col_add_fstr(pinfo->cinfo, COL_INFO, "BC Reg Reply: BSN=%s, Code=%u",
tvb_ip_to_str(tvb, offset + 8),
tvb_get_guint8(tvb, offset + 1));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reply Code */
proto_tree_add_item(a11_tree, hf_a11_code, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Registration Lifetime */
proto_tree_add_item(a11_tree, hf_a11_life, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Home Agent */
proto_tree_add_item(a11_tree, hf_a11_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case BC_REGISTRATION_UPDATE:
col_add_fstr(pinfo->cinfo, COL_INFO,"BC Reg Update: BSN=%s",
tvb_ip_to_str(tvb, offset + 8));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reserved */
offset += 3;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Home Agent */
proto_tree_add_item(a11_tree, hf_a11_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
case BC_REGISTRATION_ACK:
col_add_fstr(pinfo->cinfo, COL_INFO, "BC Reg Acknowledge: PCF=%s Status=%u",
tvb_ip_to_str(tvb, offset + 8),
tvb_get_guint8(tvb, offset + 3));
if (tree) {
/* Add Subtree */
ti = proto_tree_add_item(tree, proto_a11, tvb, offset, -1, ENC_NA);
a11_tree = proto_item_add_subtree(ti, ett_a11);
/* Type */
proto_tree_add_uint(a11_tree, hf_a11_type, tvb, offset, 1, type);
offset += 1;
/* Reserved */
offset += 2;
/* Ack Status */
proto_tree_add_item(a11_tree, hf_a11_status, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Home address */
proto_tree_add_item(a11_tree, hf_a11_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Care-of-Address */
proto_tree_add_item(a11_tree, hf_a11_coa, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Identifier - assumed to be an NTP time here */
proto_tree_add_item(a11_tree, hf_a11_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
offset += 8;
} /* if tree */
break;
default:
DISSECTOR_ASSERT_NOT_REACHED();
break;
} /* End switch */
if (tree && a11_tree) {
if (tvb_reported_length_remaining(tvb, offset) > 0)
dissect_a11_extensions(tvb, pinfo, offset, a11_tree);
}
return tvb_reported_length(tvb);
} /* dissect_a11 */
/* Register the protocol with Wireshark */
void
proto_register_a11(void)
{
/* Setup list of header fields */
static hf_register_info hf[] = {
{ &hf_a11_type,
{ "Message Type", "a11.type",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &a11_types_ext, 0,
"A11 Message Type", HFILL }
},
{ &hf_a11_flags,
{ "Flags", "a11.flags",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL}
},
{ &hf_a11_s,
{ "Simultaneous Bindings", "a11.s",
FT_BOOLEAN, 8, NULL, 128,
"Simultaneous Bindings Allowed", HFILL }
},
{ &hf_a11_b,
{ "Broadcast Datagrams", "a11.b",
FT_BOOLEAN, 8, NULL, 64,
"Broadcast Datagrams requested", HFILL }
},
{ &hf_a11_d,
{ "Co-located Care-of Address", "a11.d",
FT_BOOLEAN, 8, NULL, 32,
"MN using Co-located Care-of address", HFILL }
},
{ &hf_a11_m,
{ "Minimal Encapsulation", "a11.m",
FT_BOOLEAN, 8, NULL, 16,
"MN wants Minimal encapsulation", HFILL }
},
{ &hf_a11_g,
{ "GRE", "a11.g",
FT_BOOLEAN, 8, NULL, 8,
"MN wants GRE encapsulation", HFILL }
},
{ &hf_a11_v,
{ "Van Jacobson", "a11.v",
FT_BOOLEAN, 8, NULL, 4,
NULL, HFILL }
},
{ &hf_a11_t,
{ "Reverse Tunneling", "a11.t",
FT_BOOLEAN, 8, NULL, 2,
"Reverse tunneling requested", HFILL }
},
{ &hf_a11_code,
{ "Reply Code", "a11.code",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &a11_reply_codes_ext, 0,
"A11 Registration Reply code", HFILL }
},
{ &hf_a11_status,
{ "Reply Status", "a11.ackstat",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &a11_ack_status_ext, 0,
"A11 Registration Ack Status", HFILL }
},
{ &hf_a11_life,
{ "Lifetime", "a11.life",
FT_UINT16, BASE_DEC, NULL, 0,
"A11 Registration Lifetime", HFILL }
},
{ &hf_a11_homeaddr,
{ "Home Address", "a11.homeaddr",
FT_IPv4, BASE_NONE, NULL, 0,
"Mobile Node's home address", HFILL }
},
{ &hf_a11_haaddr,
{ "Home Agent", "a11.haaddr",
FT_IPv4, BASE_NONE, NULL, 0,
"Home agent IP Address", HFILL }
},
{ &hf_a11_coa,
{ "Care of Address", "a11.coa",
FT_IPv4, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ident,
{ "Identification", "a11.ident",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
"MN Identification", HFILL }
},
{ &hf_a11_ext_type,
{ "Extension Type", "a11.ext.type",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &a11_ext_types_ext, 0,
"Mobile IP Extension Type", HFILL }
},
{ &hf_a11_ext_stype,
{ "Gen Auth Ext SubType", "a11.ext.auth.subtype",
FT_UINT8, BASE_DEC, VALS(a11_ext_stypes), 0,
"Mobile IP Auth Extension Sub Type", HFILL }
},
{ &hf_a11_ext_len,
{ "Extension Length", "a11.ext.len",
FT_UINT16, BASE_DEC, NULL, 0,
"Mobile IP Extension Length", HFILL }
},
{ &hf_a11_ext,
{ "Extension", "a11.extension",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_aext_spi,
{ "SPI", "a11.auth.spi",
FT_UINT32, BASE_HEX, NULL, 0,
"Authentication Header Security Parameter Index", HFILL }
},
{ &hf_a11_aext_auth,
{ "Authenticator", "a11.auth.auth",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_next_nai,
{ "NAI", "a11.nai",
FT_STRING, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ses_key,
{ "Key", "a11.ext.key",
FT_UINT32, BASE_HEX, NULL, 0,
"Session Key", HFILL }
},
{ &hf_a11_ses_sidver,
{ "Session ID Version", "a11.ext.sidver",
FT_UINT8, BASE_DEC, NULL, 3,
NULL, HFILL}
},
{ &hf_a11_ses_mnsrid,
{ "MNSR-ID", "a11.ext.mnsrid",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ses_msid_type,
{ "MSID Type", "a11.ext.msid_type",
FT_UINT16, BASE_DEC, VALS(a11_ses_msid_type_vals), 0,
NULL, HFILL }
},
{ &hf_a11_ses_msid_len,
{ "MSID Length", "a11.ext.msid_len",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ses_msid,
{ "MSID(BCD)", "a11.ext.msid",
FT_STRING, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ses_ptype,
{ "Protocol Type", "a11.ext.ptype",
FT_UINT16, BASE_HEX, VALS(a11_ses_ptype_vals), 0,
NULL, HFILL }
},
{ &hf_a11_vse_vid,
{ "Vendor ID", "a11.ext.vid",
FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0,
NULL, HFILL }
},
{ &hf_a11_vse_apptype,
{ "Application Type", "a11.ext.apptype",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &a11_ext_app_ext, 0,
NULL, HFILL }
},
{ &hf_a11_vse_ppaddr,
{ "Anchor P-P Address", "a11.ext.ppaddr",
FT_IPv4, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_vse_dormant,
{ "All Dormant Indicator", "a11.ext.dormant",
FT_UINT16, BASE_HEX, VALS(a11_ext_dormant), 0,
NULL, HFILL }
},
{ &hf_a11_vse_ehrpd_mode,
{ "eHRPD Mode", "a11.ext.ehrpd.mode",
FT_BOOLEAN, 8, TFS(&a11_tfs_ehrpd_mode), 0,
NULL, HFILL }
},
{ &hf_a11_vse_ehrpd_pmk,
{ "PMK", "a11.ext.ehrpd.pmk",
FT_BOOLEAN, 8, TFS(&a11_tfs_ehrpd_pmk), 0x04,
NULL, HFILL }
},
{ &hf_a11_vse_ehrpd_handoff_info,
{ "E-UTRAN Handoff Info", "a11.ext.ehrpd.handoff_info",
FT_BOOLEAN, 8, TFS(&a11_tfs_ehrpd_handoff_info), 0x02,
NULL, HFILL }
},
{ &hf_a11_vse_ehrpd_tunnel_mode,
{ "Tunnel Mode", "a11.ext.ehrpd.tunnel_mode",
FT_BOOLEAN, 8, TFS(&a11_tfs_ehrpd_tunnel_mode), 0x01,
NULL, HFILL }
},
{ &hf_a11_vse_code,
{ "Reply Code", "a11.ext.code",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &a11_reply_codes_ext, 0,
NULL, HFILL }
},
/* XXX: Is this the correct filter name ?? */
{ &hf_a11_vse_pdit,
{ "PDSN Code", "a11.ext.code",
FT_UINT8, BASE_HEX, VALS(a11_ext_nvose_pdsn_code), 0,
NULL, HFILL }
},
{ &hf_a11_vse_session_parameter,
{ "Session Parameter - Always On", "a11.ext.session_parameter",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_vse_srvopt,
{ "Service Option", "a11.ext.srvopt",
FT_UINT16, BASE_HEX, VALS(a11_ext_nvose_srvopt), 0,
NULL, HFILL }
},
{ &hf_a11_vse_panid,
{ "PANID", "a11.ext.panid",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_vse_canid,
{ "CANID", "a11.ext.canid",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_vse_qosmode,
{ "QoS Mode", "a11.ext.qosmode",
FT_UINT8, BASE_HEX, VALS(a11_ext_nvose_qosmode), 0,
NULL, HFILL }
},
{ &hf_a11_ase_len_type,
{ "Entry Length", "a11.ext.ase.len",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_srid_type,
{ "Service Reference ID (SRID)", "a11.ext.ase.srid",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_servopt_type,
{ "Service Option", "a11.ext.ase.srvopt",
FT_UINT16, BASE_HEX, VALS(a11_ext_nvose_srvopt), 0,
NULL, HFILL }
},
{ &hf_a11_ase_gre_proto_type,
{ "GRE Protocol Type", "a11.ext.ase.ptype",
FT_UINT16, BASE_HEX, VALS(a11_ses_ptype_vals), 0,
NULL, HFILL }
},
{ &hf_a11_ase_gre_key,
{ "GRE Key", "a11.ext.ase.key",
FT_UINT32, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_pcf_addr_key,
{ "PCF IP Address", "a11.ext.ase.pcfip",
FT_IPv4, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_fqi_srid,
{ "SRID", "a11.ext.fqi.srid",
FT_UINT8, BASE_DEC, NULL, 0,
"Forward Flow Entry SRID", HFILL }
},
{ &hf_a11_fqi_flags,
{ "Flags", "a11.ext.fqi.flags",
FT_UINT8, BASE_HEX, NULL, 0,
"Forward Flow Entry Flags", HFILL }
},
{ &hf_a11_fqi_flags_ip_flow,
{ "IP Flow Discriminator", "a11.ext.fqi.flags.ip_flow",
FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), A11_FQI_IPFLOW_DISC_ENABLED,
NULL, HFILL }
},
{ &hf_a11_fqi_flags_dscp,
{ "DSCP", "a11.ext.fqi.flags.dscp",
FT_BOOLEAN, 8, TFS(&tfs_included_not_included), A11_FQI_DSCP_INCLUDED,
NULL, HFILL }
},
{ &hf_a11_fqi_entry_flag,
{ "DSCP and Flow State", "a11.ext.fqi.entry_flag",
FT_UINT8, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_fqi_entry_flag_dscp,
{ "DSCP", "a11.ext.fqi.entry_flag.dscp",
FT_UINT8, BASE_HEX, NULL, 0x7E,
NULL, HFILL }
},
{ &hf_a11_fqi_entry_flag_flow_state,
{ "Flow State", "a11.ext.fqi.entry_flag.flow_state",
FT_BOOLEAN, 8, TFS(&tfs_active_inactive), 0x01,
NULL, HFILL }
},
{ &hf_a11_fqi_flowcount,
{ "Forward Flow Count", "a11.ext.fqi.flowcount",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_fqi_flowid,
{ "Forward Flow Id", "a11.ext.fqi.flowid",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_fqi_entrylen,
{ "Entry Length", "a11.ext.fqi.entrylen",
FT_UINT8, BASE_DEC, NULL, 0,
"Forward Entry Length", HFILL }
},
#if 0
{ &hf_a11_fqi_flowstate,
{ "Forward Flow State", "a11.ext.fqi.flowstate",
FT_UINT8, BASE_HEX, NULL, 0,
NULL, HFILL }
},
#endif
{ &hf_a11_fqi_requested_qoslen,
{ "Requested QoS Length", "a11.ext.fqi.reqqoslen",
FT_UINT8, BASE_DEC, NULL, 0,
"Forward Requested QoS Length", HFILL }
},
{ &hf_a11_fqi_flow_priority,
{ "Flow Priority", "a11.ext.fqi.flow_priority",
FT_UINT8, BASE_DEC, NULL, 0xF0,
NULL, HFILL }
},
{ &hf_a11_fqi_num_qos_attribute_set,
{ "Number of QoS Attribute Sets", "a11.ext.fqi.num_qos_attribute_set",
FT_UINT8, BASE_DEC, NULL, 0x0E,
NULL, HFILL }
},
{ &hf_a11_fqi_qos_attribute_setlen,
{ "QoS Attribute Set Length", "a11.ext.fqi.qos_attribute_setlen",
FT_UINT16, BASE_DEC, NULL, 0x01E0,
NULL, HFILL }
},
{ &hf_a11_fqi_qos_attribute_setid,
{ "QoS Attribute SetID", "a11.ext.fqi.qos_attribute_setid",
FT_UINT16, BASE_DEC, NULL, 0x1FC0,
NULL, HFILL }
},
{ &hf_a11_fqi_verbose,
{ "Verbose", "a11.ext.fqi.verbose",
FT_UINT8, BASE_DEC, NULL, 0x20,
NULL, HFILL }
},
{ &hf_a11_fqi_flow_profileid,
{ "Flow Profile Id", "a11.ext.fqi.flow_profileid",
FT_UINT24, BASE_DEC, NULL, 0x1FFFE0,
NULL, HFILL }
},
{ &hf_a11_fqi_qos_granted_attribute_setid,
{ "QoS Attribute SetID", "a11.ext.fqi.qos_granted_attribute_setid",
FT_UINT8, BASE_DEC, NULL, 0xFE,
NULL, HFILL }
},
{ &hf_a11_fqi_granted_qoslen,
{ "Granted QoS Length", "a11.ext.fqi.graqoslen",
FT_UINT8, BASE_DEC, NULL, 0,
"Forward Granted QoS Length", HFILL }
},
{ &hf_a11_rqi_flow_priority,
{ "Flow Priority", "a11.ext.rqi.flow_priority",
FT_UINT8, BASE_DEC, NULL, 0xF0,
NULL, HFILL }
},
{ &hf_a11_rqi_num_qos_attribute_set,
{ "Number of QoS Attribute Sets", "a11.ext.rqi.num_qos_attribute_set",
FT_UINT8, BASE_DEC, NULL, 0x0E,
NULL, HFILL }
},
{ &hf_a11_rqi_qos_attribute_setlen,
{ "QoS Attribute Set Length", "a11.ext.rqi.qos_attribute_setlen",
FT_UINT16, BASE_DEC, NULL, 0x01E0,
NULL, HFILL }
},
{ &hf_a11_rqi_qos_attribute_setid,
{ "QoS Attribute SetID", "a11.ext.rqi.qos_attribute_setid",
FT_UINT16, BASE_DEC, NULL, 0x1FC0,
NULL, HFILL }
},
{ &hf_a11_rqi_verbose,
{ "Verbose", "a11.ext.rqi.verbose",
FT_UINT8, BASE_DEC, NULL, 0x20,
NULL, HFILL }
},
{ &hf_a11_rqi_flow_profileid,
{ "Flow Profile Id", "a11.ext.rqi.flow_profileid",
FT_UINT24, BASE_DEC, NULL, 0x1FFFE0,
NULL, HFILL }
},
{ &hf_a11_rqi_qos_granted_attribute_setid,
{ "QoS Attribute SetID", "a11.ext.rqi.qos_granted_attribute_setid",
FT_UINT8, BASE_DEC, NULL, 0xFE,
NULL, HFILL }
},
{ &hf_a11_rqi_srid,
{ "SRID", "a11.ext.rqi.srid",
FT_UINT8, BASE_DEC, NULL, 0,
"Reverse Flow Entry SRID", HFILL }
},
{ &hf_a11_rqi_flowcount,
{ "Reverse Flow Count", "a11.ext.rqi.flowcount",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_rqi_flowid,
{ "Reverse Flow Id", "a11.ext.rqi.flowid",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_rqi_entrylen,
{ "Entry Length", "a11.ext.rqi.entrylen",
FT_UINT8, BASE_DEC, NULL, 0,
"Reverse Flow Entry Length", HFILL }
},
{ &hf_a11_rqi_entry_flag,
{ "Flags", "a11.ext.rqi.entry_flag",
FT_UINT8, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_rqi_entry_flag_flow_state,
{ "Flow State", "a11.ext.rqi.entry_flag.flow_state",
FT_BOOLEAN, 8, TFS(&tfs_active_inactive), 0x01,
NULL, HFILL }
},
#if 0
{ &hf_a11_rqi_flowstate,
{ "Flow State", "a11.ext.rqi.flowstate",
FT_UINT8, BASE_HEX, NULL, 0,
"Reverse Flow State", HFILL }
},
#endif
{ &hf_a11_rqi_requested_qoslen,
{ "Requested QoS Length", "a11.ext.rqi.reqqoslen",
FT_UINT8, BASE_DEC, NULL, 0,
"Reverse Requested QoS Length", HFILL }
},
#if 0
{ &hf_a11_rqi_requested_qos,
{ "Requested QoS", "a11.ext.rqi.reqqos",
FT_BYTES, BASE_NONE, NULL, 0,
"Reverse Requested QoS", HFILL }
},
#endif
{ &hf_a11_rqi_granted_qoslen,
{ "Granted QoS Length", "a11.ext.rqi.graqoslen",
FT_UINT8, BASE_DEC, NULL, 0,
"Reverse Granted QoS Length", HFILL }
},
#if 0
{ &hf_a11_rqi_granted_qos,
{ "Granted QoS", "a11.ext.rqi.graqos",
FT_BYTES, BASE_NONE, NULL, 0,
"Reverse Granted QoS", HFILL }
},
#endif
{ &hf_a11_fqui_flowcount,
{ "Forward QoS Update Flow Count", "a11.ext.fqui.flowcount",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_rqui_flowcount,
{ "Reverse QoS Update Flow Count", "a11.ext.rqui.flowcount",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_fqui_updated_qoslen,
{ "Forward Updated QoS Sub-Blob Length", "a11.ext.fqui.updatedqoslen",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_fqui_updated_qos,
{ "Forward Updated QoS Sub-Blob", "a11.ext.fqui.updatedqos",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_rqui_updated_qoslen,
{ "Reverse Updated QoS Sub-Blob Length", "a11.ext.rqui.updatedqoslen",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_rqui_updated_qos,
{ "Reverse Updated QoS Sub-Blob", "a11.ext.rqui.updatedqos",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
#if 0
{ &hf_a11_subsciber_profile_len,
{ "Subscriber QoS Profile Length", "a11.ext.sqp.profilelen",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
#endif
{ &hf_a11_subsciber_profile,
{ "Subscriber QoS Profile", "a11.ext.sqp.profile",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_forward_rohc_info_len,
{ "Forward ROHC Info Length", "a11.ext.ase.forwardlen",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_forward_maxcid,
{ "Forward MAXCID", "a11.ext.ase.maxcid",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_forward_mrru,
{ "Forward MRRU", "a11.ext.ase.mrru",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_forward_large_cids,
{ "Forward Large CIDS", "a11.ext.ase.forwardlargecids",
FT_BOOLEAN, 8, NULL, 0x80,
NULL, HFILL }
},
{ &hf_a11_ase_forward_profile_count,
{ "Forward Profile Count", "a11.ext.ase.profilecount",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_forward_profile,
{ "Forward Profile", "a11.ext.ase.forwardprofile",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &a11_rohc_profile_vals_ext, 0,
NULL, HFILL }
},
{ &hf_a11_ase_reverse_rohc_info_len,
{ "Reverse ROHC Info Length", "a11.ext.ase.reverselen",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_reverse_maxcid,
{ "Reverse MAXCID", "a11.ext.ase.revmaxcid",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_reverse_mrru,
{ "Reverse MRRU", "a11.ext.ase.revmrru",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_reverse_large_cids,
{ "Reverse Large CIDS", "a11.ext.ase.reverselargecids",
FT_UINT8, BASE_DEC, NULL, 128,
NULL, HFILL }
},
{ &hf_a11_ase_reverse_profile_count,
{ "Reverse Profile Count", "a11.ext.ase.revprofilecount",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_ase_reverse_profile,
{ "Reverse Profile", "a11.ext.ase.reverseprofile",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &a11_rohc_profile_vals_ext, 0,
NULL, HFILL }
},
{ &hf_a11_aut_flow_prof_sub_type,
{ "Sub type", "a11.aut_flow_prof.sub_type",
FT_UINT8, BASE_DEC, VALS(a11_aut_flow_prof_subtype_vals), 0,
NULL, HFILL }
},
{ &hf_a11_aut_flow_prof_sub_type_len,
{ "Length", "a11.aut_flow_prof.length",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_aut_flow_prof_sub_type_value,
{ "Value", "a11.aut_flow_prof.value",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_serv_opt_prof_max_serv,
{ "Service-Connections-Per-Link-flow", "a11.serv_opt_prof.scplf",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_sub_type,
{ "Sub-Type", "a11.sub_type",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_sub_type_length,
{ "Sub-Type Length", "a11.sub_type_length",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_serv_opt,
{ "Service Option", "a11.serviceoption",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_max_num_serv_opt,
{ "Max number of service instances of Service Option", "a11.serviceoption",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_a11_bcmcs_stype,
{ "Protocol Type", "a11.ext.bcmcs.ptype",
FT_UINT8, BASE_HEX, VALS(a11_bcmcs_stype_vals), 0,
NULL, HFILL }
},
{ &hf_a11_bcmcs_entry_len,
{ "Entry length", "a11.ext.bcmcs.entry_len",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }
},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_a11,
&ett_a11_flags,
&ett_a11_ext,
&ett_a11_exts,
&ett_a11_radius,
&ett_a11_radiuses,
&ett_a11_ase,
&ett_a11_fqi_flowentry,
&ett_a11_fqi_requestedqos,
&ett_a11_fqi_qos_attribute_set,
&ett_a11_fqi_grantedqos,
&ett_a11_rqi_flowentry,
&ett_a11_rqi_requestedqos,
&ett_a11_rqi_qos_attribute_set,
&ett_a11_rqi_grantedqos,
&ett_a11_fqi_flags,
&ett_a11_fqi_entry_flags,
&ett_a11_rqi_entry_flags,
&ett_a11_fqui_flowentry,
&ett_a11_rqui_flowentry,
&ett_a11_subscriber_profile,
&ett_a11_forward_rohc,
&ett_a11_reverse_rohc,
&ett_a11_forward_profile,
&ett_a11_reverse_profile,
&ett_a11_aut_flow_profile_ids,
&ett_a11_bcmcs_entry,
};
static ei_register_info ei[] = {
{ &ei_a11_sub_type_length_not2, { "a11.sub_type_length.bad", PI_PROTOCOL, PI_WARN, "Sub-Type Length should be at least 2", EXPFILL }},
{ &ei_a11_sse_too_short, { "a11.sse_too_short", PI_MALFORMED, PI_ERROR, "SSE too short", EXPFILL }},
{ &ei_a11_bcmcs_too_short, { "a11.bcmcs_too_short", PI_MALFORMED, PI_ERROR, "BCMCS too short", EXPFILL }},
{ &ei_a11_entry_data_not_dissected, { "a11.entry_data_not_dissected", PI_UNDECODED, PI_WARN, "Entry Data, Not dissected yet", EXPFILL }},
{ &ei_a11_session_data_not_dissected, { "a11.session_data_not_dissected", PI_UNDECODED, PI_WARN, "Session Data Type Not dissected yet", EXPFILL }},
};
expert_module_t* expert_a11;
/* Register the protocol name and description */
proto_a11 = proto_register_protocol("3GPP2 A11", "3GPP2 A11", "a11");
/* Register the dissector by name */
a11_handle = register_dissector("a11", dissect_a11, proto_a11);
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_a11, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_a11 = expert_register_protocol(proto_a11);
expert_register_field_array(expert_a11, ei, array_length(ei));
}
void
proto_reg_handoff_a11(void)
{
dissector_add_uint_with_preference("udp.port", UDP_PORT_3GA11, a11_handle);
/* 3GPP2-Service-Option-Profile(74) */
radius_register_avp_dissector(VENDOR_THE3GPP2, 74, dissect_3gpp2_service_option_profile);
/* 3GPP2-Authorized-Flow-Profile-IDs(131) */
radius_register_avp_dissector(VENDOR_THE3GPP2, 131, dissect_3gpp2_radius_aut_flow_profile_ids);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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