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[NAS-5GS] Dissect more IEs. 

Change-Id: Ief8d55bbee921e701c3374ce4073ae4587177989
Reviewed-on: https://code.wireshark.org/review/26209
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
AndersBroman 2018-03-01 14:15:30 +01:00 committed by Anders Broman
parent 85e7e61e5f
commit 363ebc01ee
1 changed files with 372 additions and 22 deletions
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394
epan/dissectors/packet-nas_5gs.c
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@ -79,6 +79,43 @@ static int hf_nas_5gs_mm_length = -1;
static int hf_nas_5gs_mm_pdu_ses_id = -1;
static int hf_nas_5gs_mm_old_pdu_ses_id = -1;
static int hf_nas_5gs_mm_pld_cont = -1;
static int hf_nas_5gs_mm_all_acc_b1b0 = -1;
static int hf_nas_5gs_mm_sup_acc_b1b0 = -1;
static int hf_nas_5gs_mm_req_type = -1;
static int hf_nas_5gs_mm_serv_type = -1;
static int hf_nas_5gs_mm_5g_ea0 = -1;
static int hf_nas_5gs_mm_128_5g_ea1 = -1;
static int hf_nas_5gs_mm_128_5g_ea2 = -1;
static int hf_nas_5gs_mm_128_5g_ea3 = -1;
static int hf_nas_5gs_mm_5g_ea4 = -1;
static int hf_nas_5gs_mm_5g_ea5 = -1;
static int hf_nas_5gs_mm_5g_ea6 = -1;
static int hf_nas_5gs_mm_5g_ea7 = -1;
static int hf_nas_5gs_mm_5g_ia0 = -1;
static int hf_nas_5gs_mm_5g_128_ia1 = -1;
static int hf_nas_5gs_mm_5g_128_ia2 = -1;
static int hf_nas_5gs_mm_5g_128_ia3 = -1;
static int hf_nas_5gs_mm_5g_ia4 = -1;
static int hf_nas_5gs_mm_5g_ia5 = -1;
static int hf_nas_5gs_mm_5g_ia6 = -1;
static int hf_nas_5gs_mm_5g_ia7 = -1;
static int hf_nas_5gs_mm_eea0 = -1;
static int hf_nas_5gs_mm_128eea1 = -1;
static int hf_nas_5gs_mm_128eea2 = -1;
static int hf_nas_5gs_mm_eea3 = -1;
static int hf_nas_5gs_mm_eea4 = -1;
static int hf_nas_5gs_mm_eea5 = -1;
static int hf_nas_5gs_mm_eea6 = -1;
static int hf_nas_5gs_mm_eea7 = -1;
static int hf_nas_5gs_mm_eia0 = -1;
static int hf_nas_5gs_mm_128eia1 = -1;
static int hf_nas_5gs_mm_128eia2 = -1;
static int hf_nas_5gs_mm_eia3 = -1;
static int hf_nas_5gs_mm_eia4 = -1;
static int hf_nas_5gs_mm_eia5 = -1;
static int hf_nas_5gs_mm_eia6 = -1;
static int hf_nas_5gs_mm_eia7 = -1;
static int hf_nas_5gs_sm_pdu_session_type = -1;
static int hf_nas_5gs_sm_sc_mode = -1;
@ -478,6 +515,8 @@ de_nas_5gs_mm_eap_msg(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
{
/* EAP message as specified in IETF RFC 3748 */
if (eap_handle) {
col_append_str(pinfo->cinfo, COL_PROTOCOL, "/");
col_set_fence(pinfo->cinfo, COL_PROTOCOL);
call_dissector(eap_handle, tvb_new_subset_length(tvb, offset, len), pinfo, tree);
}
@ -494,6 +533,8 @@ de_nas_5gs_mm_eps_nas_msg_cont(tvbuff_t *tvb, proto_tree *tree, packet_info *pin
{
/* an EPS NAS message as specified in 3GPP TS 24.301 */
if (nas_eps_handle) {
col_append_str(pinfo->cinfo, COL_PROTOCOL, "/");
col_set_fence(pinfo->cinfo, COL_PROTOCOL);
call_dissector(eap_handle, tvb_new_subset_length(tvb, offset, len), pinfo, tree);
}
@ -617,6 +658,8 @@ de_nas_5gs_mm_nas_msg_cont(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
{
/* a NAS message without NAS security heade */
if (nas_eps_plain_handle) {
col_append_str(pinfo->cinfo, COL_PROTOCOL, "/");
col_set_fence(pinfo->cinfo, COL_PROTOCOL);
call_dissector(nas_eps_plain_handle, tvb_new_subset_length(tvb, offset, len), pinfo, tree);
}
@ -862,7 +905,7 @@ de_nas_5gs_mm_s_nssai(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
guint32 offset, guint len,
gchar *add_string _U_, int string_len _U_)
{
/* SST octet 3
/* SST octet 3
* This field contains the 8 bit SST value. The coding of the SST value part is defined in 3GPP TS 23.003
*/
proto_tree_add_item(tree, hf_nas_5gs_mm_sst, tvb, offset, 1, ENC_BIG_ENDIAN);
@ -870,19 +913,19 @@ de_nas_5gs_mm_s_nssai(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
return len;
}
offset += 1;
/* SD octet 4 - octet 6* */
/* SD octet 4 - octet 6* */
proto_tree_add_item(tree, hf_nas_5gs_mm_sd, tvb, offset, 3, ENC_BIG_ENDIAN);
if (len == 4) {
return len;
}
offset += 3;
/* Mapped configured SST octet 7* */
/* Mapped configured SST octet 7* */
proto_tree_add_item(tree, hf_nas_5gs_mm_mapped_conf_sst, tvb, offset, 1, ENC_BIG_ENDIAN);
if (len == 5) {
return len;
}
offset += 1;
/* Mapped configured SD octet 8 - octet 10* */
/* Mapped configured SD octet 8 - octet 10* */
proto_tree_add_item(tree, hf_nas_5gs_mm_mapped_conf_ssd, tvb, offset, 3, ENC_BIG_ENDIAN);
return len;
@ -920,12 +963,28 @@ de_nas_5gs_mm_sal(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
* 9.8.3.40 SMS allowed
*/
static const value_string nas_5gs_mm_all_acc_vals[] = {
{ 0x00, "SMS over NAS not allowed" },
{ 0x01, "SMS over NAS allowed via 3GPP access only" },
{ 0x02, "SMS over NAS allowed via both 3GPP access and non-3GPP access" },
{ 0x03, "reserved" },
{ 0, NULL } };
static guint16
de_nas_5gs_mm_sms_all(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
de_nas_5gs_mm_sms_all(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
guint32 offset, guint len _U_,
gchar *add_string _U_, int string_len _U_)
{
proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, 1);
static const int * flags[] = {
&hf_nas_5gs_spare_b3,
&hf_nas_5gs_spare_b2,
&hf_nas_5gs_mm_all_acc_b1b0,
NULL
};
proto_tree_add_bitmask_list(tree, tvb, offset, 1, flags, ENC_BIG_ENDIAN);
return 1;
}
@ -934,42 +993,81 @@ de_nas_5gs_mm_sms_all(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
* 9.8.3.41 SMS requested
*/
static const value_string nas_5gs_mm_sup_acc_vals[] = {
{ 0x00, "SMS over NAS not supported" },
{ 0x01, "SMS over NAS supported via 3GPP access only" },
{ 0x02, "SMS over NAS supported via both 3GPP access and non-3GPP access" },
{ 0x03, "Reserved" },
{ 0, NULL } };
static guint16
de_nas_5gs_mm_sms_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
guint32 offset, guint len,
de_nas_5gs_mm_sms_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
guint32 offset, guint len _U_,
gchar *add_string _U_, int string_len _U_)
{
proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
return len;
static const int * flags[] = {
&hf_nas_5gs_spare_b3,
&hf_nas_5gs_spare_b2,
&hf_nas_5gs_mm_sup_acc_b1b0,
NULL
};
proto_tree_add_bitmask_list(tree, tvb, offset, 1, flags, ENC_BIG_ENDIAN);
return 1;
}
/*
* 9.8.3.42 Request type
*/
static const value_string nas_5gs_mm_req_type_vals[] = {
{ 0x01, "Initial request" },
{ 0x02, "Existing PDU session" },
{ 0x03, "Initial emergency request" },
{ 0x03, "Existing emergency PDU session" },
{ 0, NULL } };
static guint16
de_nas_5gs_mm_req_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
guint32 offset, guint len,
de_nas_5gs_mm_req_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
guint32 offset, guint len _U_,
gchar *add_string _U_, int string_len _U_)
{
proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
return len;
proto_tree_add_item(tree, hf_nas_5gs_mm_req_type, tvb, offset, 3, ENC_BIG_ENDIAN);
return 1;
}
/*
* 9.8.3.43 Service type
*/
static const value_string nas_5gs_mm_serv_type_vals[] = {
{ 0x00, "Signalling" },
{ 0x01, "Data" },
{ 0x02, "Paging response" },
{ 0x03, "Reserved" },
{ 0x04, "Emergency services fallback" },
{ 0, NULL } };
static guint16
de_nas_5gs_mm_serv_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
guint32 offset, guint len,
de_nas_5gs_mm_serv_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
guint32 offset, guint len _U_,
gchar *add_string _U_, int string_len _U_)
{
proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
static const int * flags[] = {
&hf_nas_5gs_spare_b3,
&hf_nas_5gs_mm_serv_type,
NULL
};
return len;
proto_tree_add_bitmask_list(tree, tvb, offset, 1, flags, ENC_BIG_ENDIAN);
return 1;
}
/*
@ -997,11 +1095,82 @@ de_nas_5gs_mm_serv_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
*/
static guint16
de_nas_5gs_mm_ue_sec_cap(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
de_nas_5gs_mm_ue_sec_cap(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
guint32 offset, guint len,
gchar *add_string _U_, int string_len _U_)
{
proto_tree_add_expert(tree, pinfo, &ei_nas_5gs_ie_not_dis, tvb, offset, len);
guint32 curr_offset;
static const int * oct3_flags[] = {
&hf_nas_5gs_mm_5g_ea0,
&hf_nas_5gs_mm_128_5g_ea1,
&hf_nas_5gs_mm_128_5g_ea2,
&hf_nas_5gs_mm_128_5g_ea3,
&hf_nas_5gs_mm_5g_ea4,
&hf_nas_5gs_mm_5g_ea5,
&hf_nas_5gs_mm_5g_ea6,
&hf_nas_5gs_mm_5g_ea7,
NULL
};
static const int * oct4_flags[] = {
&hf_nas_5gs_mm_5g_ia0,
&hf_nas_5gs_mm_5g_128_ia1,
&hf_nas_5gs_mm_5g_128_ia2,
&hf_nas_5gs_mm_5g_128_ia3,
&hf_nas_5gs_mm_5g_ia4,
&hf_nas_5gs_mm_5g_ia5,
&hf_nas_5gs_mm_5g_ia6,
&hf_nas_5gs_mm_5g_ia7,
NULL
};
static const int * oct5_flags[] = {
&hf_nas_5gs_mm_eea0,
&hf_nas_5gs_mm_128eea1,
&hf_nas_5gs_mm_128eea2,
&hf_nas_5gs_mm_eea3,
&hf_nas_5gs_mm_eea4,
&hf_nas_5gs_mm_eea5,
&hf_nas_5gs_mm_eea6,
&hf_nas_5gs_mm_eea7,
NULL
};
static const int * oct6_flags[] = {
&hf_nas_5gs_mm_eia0,
&hf_nas_5gs_mm_128eia1,
&hf_nas_5gs_mm_128eia2,
&hf_nas_5gs_mm_eia3,
&hf_nas_5gs_mm_eia4,
&hf_nas_5gs_mm_eia5,
&hf_nas_5gs_mm_eia6,
&hf_nas_5gs_mm_eia7,
NULL
};
curr_offset = offset;
/* 5G-EA0 128-5G-EA1 128-5G-EA2 128-5G-EA3 5G-EA4 5G-EA5 5G-EA6 5G-EA7 octet 3 */
proto_tree_add_bitmask_list(tree, tvb, curr_offset, 1, oct3_flags, ENC_NA);
curr_offset++;
/* 5G-IA0 128-5G-IA1 128-5G-IA2 128-5G-IA3 5G-IA4 5G-IA5 5G-IA6 5G-IA7 octet 4 */
proto_tree_add_bitmask_list(tree, tvb, curr_offset, 1, oct4_flags, ENC_NA);
curr_offset++;
if (len == 4) {
return len;
}
/* EEA0 128-EEA1 128-EEA2 128-EEA3 EEA4 EEA5 EEA6 EEA7 octet 5 */
proto_tree_add_bitmask_list(tree, tvb, curr_offset, 1, oct5_flags, ENC_NA);
curr_offset++;
/* EIA0 128-EIA1 128-EIA2 128-EIA3 EIA4 EIA5 EIA6 EIA7 octet 6 */
proto_tree_add_bitmask_list(tree, tvb, curr_offset, 1, oct6_flags, ENC_NA);
return len;
}
@ -1186,7 +1355,7 @@ de_nas_5gs_sm_ssc_mode(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
static guint16
de_nas_5gs_sm_5gsm_cap(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
guint32 offset, guint len,
guint32 offset, guint len _U_,
gchar *add_string _U_, int string_len _U_)
{
@ -1205,7 +1374,7 @@ de_nas_5gs_sm_5gsm_cap(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_,
proto_tree_add_bitmask_list(tree, tvb, offset, 1, flags, ENC_BIG_ENDIAN);
return len;
return 1;
}
@ -3165,6 +3334,187 @@ proto_register_nas_5gs(void)
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_all_acc_b1b0,
{ "Allowed accesses", "nas_5gs.mm.all_acc_b1b0",
FT_UINT8, BASE_DEC, VALS(nas_5gs_mm_all_acc_vals), 0x03,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_sup_acc_b1b0,
{ "Supported accesses", "nas_5gs.mm.sup_acc_b1b0",
FT_UINT8, BASE_DEC, VALS(nas_5gs_mm_sup_acc_vals), 0x03,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_req_type,
{ "Request type", "nas_5gs.mm.req_typ",
FT_UINT8, BASE_DEC, VALS(nas_5gs_mm_req_type_vals), 0x0f,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_serv_type,
{ "Service type", "nas_5gs.mm.serv_type",
FT_UINT8, BASE_DEC, VALS(nas_5gs_mm_serv_type_vals), 0x07,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ea0,
{ "5G-EA0","nas_5gs.mm.5g_ea0",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x80,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_128_5g_ea1,
{ "128-5G-EA1","nas_5gs.mm.128_5g_ea1",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x40,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_128_5g_ea2,
{ "128-5G-EA2","nas_5gs.mm.128_5g_ea2",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x20,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_128_5g_ea3,
{ "128-5G-EA3","nas_5gs.mm.128_5g_ea3",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x10,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ea4,
{ "5G-EA4","nas_5gs.mm.5g_ea4",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x08,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ea5,
{ "5G-EA5","nas_5gs.mm.5g_ea5",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x04,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ea6,
{ "5G-EA6","nas_5gs.mm.5g_ea6",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x02,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ea7,
{ "5G-EA7","nas_5gs.mm.5g_ea7",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x01,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ia0,
{ "EIA0","nas_5gs.mm.ia0",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x80,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_128_ia1,
{ "128-EIA1","nas_5gs.mm.5g_128_ia1",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x40,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_128_ia2,
{ "128-EIA2","nas_5gs.mm.5g_128_ia2",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x20,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_128_ia3,
{ "128-EIA3","nas_5gs.mm.5g_128_ia4",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x10,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ia4,
{ "EIA4","nas_5gs.mm.5g_128_ia4",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x08,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ia5,
{ "EIA5","nas_5gs.mm.5g_ia5",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x04,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ia6,
{ "EIA6","nas_5gs.mm.5g_ia6",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x02,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_5g_ia7,
{ "EIA7","nas_5gs.mm.5g_ia7",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x01,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eea0,
{ "EEA0","nas_5gs.mm.eea0",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x80,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_128eea1,
{ "128-EEA1","nas_5gs.mm.128eea1",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x40,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_128eea2,
{ "128-EEA2","nas_5gs.mm.128eea2",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x20,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eea3,
{ "128-EEA3","nas_5gs.mm.eea3",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x10,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eea4,
{ "EEA4","nas_5gs.mm.eea4",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x08,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eea5,
{ "EEA5","nas_5gs.mm.eea5",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x04,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eea6,
{ "EEA6","nas_5gs.mm.eea6",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x02,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eea7,
{ "EEA7","nas_5gs.mm.eea7",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x01,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eia0,
{ "EIA0","nas_5gs.mm.eia0",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x80,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_128eia1,
{ "128-EIA1","nas_5gs.mm.128eia1",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x40,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_128eia2,
{ "128-EIA2","nas_5gs.mm.128eia2",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x20,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eia3,
{ "128-EIA3","nas_5gs.mm.eia3",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x10,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eia4,
{ "EIA4","nas_5gs.mm.eia4",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x08,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eia5,
{ "EIA5","nas_5gs.mm.eia5",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x04,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eia6,
{ "EIA6","nas_5gs.mm.eia6",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x02,
NULL, HFILL }
},
{ &hf_nas_5gs_mm_eia7,
{ "EIA7","nas_5gs.mm.eia7",
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x01,
NULL, HFILL }
},
{ &hf_nas_5gs_sm_pdu_session_type,
{ "PDU session type", "nas_5gs.sm.pdu_session_type",
FT_UINT8, BASE_DEC, VALS(nas_5gs_pdu_session_type_values), 0x0f,