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[PFCP] Add more IE dissection. 

Change-Id: I98fa0b38c0872e26ae84f11dfa06d582e3e2e527
Reviewed-on: https://code.wireshark.org/review/23416
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
AndersBroman 2017-09-06 17:38:12 +02:00 committed by Anders Broman
parent da01b0b5dc
commit 6c87b5fdaa
1 changed files with 313 additions and 14 deletions
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327
epan/dissectors/packet-pfcp.c
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@ -65,6 +65,7 @@ static int hf_pfcp_spare_b7 = -1;
static int hf_pfcp_spare_oct = -1;
static int hf_pfcp_spare_h0 = -1;
static int hf_pfcp_spare_h1 = -1;
static int hf_pfcp_spare = -1;
static int hf_pfcp2_cause = -1;
static int hf_pfcp_node_id_type = -1;
@ -95,6 +96,23 @@ static int hf_pfcp_ue_ip_address_flag_b2 = -1;
static int hf_pfcp_ue_ip_addr_ipv4 = -1;
static int hf_pfcp_ue_ip_add_ipv6 = -1;
static int hf_pfcp_application_id = -1;
static int hf_pfcp_sdf_filter_flags = -1;
static int hf_pfcp_sdf_filter_b0_fd = -1;
static int hf_pfcp_sdf_filter_b1_ttc = -1;
static int hf_pfcp_sdf_filter_b2_spi = -1;
static int hf_pfcp_sdf_filter_b3_fl = -1;
static int hf_pfcp_flow_desc_len = -1;
static int hf_pfcp_fd = -1;
static int hf_pfcp_ttc = -1;
static int hf_pfcp_spi = -1;
static int hf_pfcp_fl = -1;
static int hf_pfcp_out_hdr_desc = -1;
static int hf_pfcp_far_id_flg = -1;
static int hf_pfcp_far_id = -1;
static int hf_pfcp_urr_id_flg = -1;
static int hf_pfcp_urr_id = -1;
static int hf_pfcp_qer_id_flg = -1;
static int hf_pfcp_qer_id = -1;
static int ett_pfcp = -1;
static int ett_pfcp_flags = -1;
@ -103,6 +121,7 @@ static int ett_pfcp_grouped_ie = -1;
static int ett_pfcp_f_seid_flags = -1;
static int ett_f_teid_flags = -1;
static int ett_pfcp_ue_ip_address_flags = -1;
static int ett_pfcp_sdf_filter_flags = -1;
static expert_field ei_pfcp_ie_reserved = EI_INIT;
static expert_field ei_pfcp_ie_data_not_decoded = EI_INIT;
@ -135,6 +154,10 @@ static void dissect_pfcp_remove_far(tvbuff_t *tvb, packet_info *pinfo, proto_tre
static void dissect_pfcp_remove_urr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type);
static void dissect_pfcp_remove_qer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type);
static const true_false_string pfcp_id_predef_dynamic_tfs = {
"Predefined by UP",
"Dynamic by CP",
};
#define PFCP_MSG_RESERVED_0 0
@ -399,7 +422,7 @@ dissect_pfcp_f_teid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_i
};
/* Octet 5 Spare CH V6 V4*/
proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_f_teid_flags,
ett_f_teid_flags, pfcp_fteid_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &fteid_flags_val);
ett_f_teid_flags, pfcp_fteid_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT | BMT_NO_TFS, &fteid_flags_val);
offset += 1;
/* The following flags are coded within Octet 5:
* Bit 1 - V4: If this bit is set to "1" and the CH bit is not set, then the IPv4 address field shall be present,
@ -443,6 +466,70 @@ dissect_pfcp_pdn_instance(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tre
/*
* 8.2.5 SDF Filter
*/
static void
dissect_pfcp_sdf_filter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_)
{
int offset = 0;
guint64 flags_val;
guint32 fd_length;
static const int * pfcp_sdf_filter_flags[] = {
&hf_pfcp_spare_h1,
&hf_pfcp_sdf_filter_b3_fl,
&hf_pfcp_sdf_filter_b2_spi,
&hf_pfcp_sdf_filter_b1_ttc,
&hf_pfcp_sdf_filter_b0_fd,
NULL
};
/* Octet 5 Spare FL SPI TTC FD*/
proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_sdf_filter_flags,
ett_pfcp_sdf_filter_flags, pfcp_sdf_filter_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT | BMT_NO_TFS, &flags_val);
offset += 1;
/* Octet 6 Spare*/
proto_tree_add_item(tree, hf_pfcp_spare, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
if ((flags_val & 0x1) == 1) {
/* FD (Flow Description): If this bit is set to "1",
* then the Length of Flow Description and the Flow Description fields shall be present
*/
/* m to (m+1) Length of Flow Description */
proto_tree_add_item_ret_uint(tree, hf_pfcp_flow_desc_len, tvb, offset, 1, ENC_BIG_ENDIAN, &fd_length);
offset += 1;
/* Flow Description
* The Flow Description field, when present, shall be encoded as an OctetString
* as specified in subclause 5.4.2 of 3GPP TS 29.212
*/
proto_tree_add_item(tree, hf_pfcp_fd, tvb, offset, fd_length, ENC_NA);
offset += fd_length;
}
if ((flags_val & 0x2) == 2) {
/* TTC (ToS Traffic Class): If this bit is set to "1", then the ToS Traffic Class field shall be present */
/* ToS Traffic Class field, when present, shall be encoded as an OctetString on two octets
* as specified in subclause 5.3.15 of 3GPP TS 29.212
*/
proto_tree_add_item(tree, hf_pfcp_ttc, tvb, offset, 2, ENC_NA);
offset += 2;
}
if ((flags_val & 0x4) == 4) {
/* SPI (The Security Parameter Index) field, when present, shall be encoded as an OctetString on four octets and shall
* contain the IPsec security parameter index (which is a 32-bit field),
* as specified in subclause 5.3.51 of 3GPP TS 29.212
*/
proto_tree_add_item(tree, hf_pfcp_spi, tvb, offset, 4, ENC_NA);
offset += 4;
}
if ((flags_val & 0x8) == 8) {
/* FL (Flow Label), when present, shall be encoded as an OctetString on 3 octets as specified in
* subclause 5.3.52 of 3GPP TS 29.212 and shall contain an IPv6 flow label (which is a 20-bit field).
* The bits 8 to 5 of the octet "v" shall be spare and set to zero, and the remaining 20 bits shall
* contain the IPv6 flow label.*/
proto_tree_add_item(tree, hf_pfcp_fl, tvb, offset, 3, ENC_NA);
offset += 3;
}
}
/*
* 8.2.6 Application ID
*/
@ -450,8 +537,8 @@ static void
dissect_pfcp_application_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_)
{
int offset = 0;
/* Octet 5 5 to (n+4) PDN Instance
* The PDN instance field shall be encoded as an OctetString
/* Octet 5 to (n+4) Application Identifier
* The Application Identifier shall be encoded as an OctetString (see 3GPP TS 29.212)
*/
proto_tree_add_item(tree, hf_pfcp_application_id, tvb, offset, length, ENC_NA);
}
@ -514,7 +601,7 @@ dissect_pfcp_precedence(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, pro
* 8.2.36 Packet Detection Rule ID (PDR ID)
*/
static void
dissect_pfcp_pdr_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_)
dissect_pfcp_pdr_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_)
{
int offset = 0;
guint32 rule_id;
@ -527,7 +614,6 @@ dissect_pfcp_pdr_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_i
if (offset < length) {
proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1);
}
}
/*
* 8.2.37 F-SEID
@ -663,7 +749,34 @@ dissect_pfcp_node_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_
* 8.2.51 Time Quota
* 8.2.52 Start Time
* 8.2.53 End Time
*/
/*
* 8.2.54 URR ID
*/
static void
dissect_pfcp_urr_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_)
{
int offset = 0;
guint32 urr_id;
/* Octet 5 to 8 URR ID value
* The bit 8 of octet 5 is used to indicate if the Rule ID is dynamically allocated by the CP function
* or predefined in the UP function. If set to 0, it indicates that the Rule is dynamically provisioned
* by the CP Function. If set to 1, it indicates that the Rule is predefined in the UP Function
*/
proto_tree_add_item(tree, hf_pfcp_urr_id_flg, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item_ret_uint(tree, hf_pfcp_urr_id, tvb, offset, 4, ENC_BIG_ENDIAN, &urr_id);
offset += 4;
proto_item_append_text(item, "%s %u",
((urr_id & 80000000) ? pfcp_id_predef_dynamic_tfs.true_string : pfcp_id_predef_dynamic_tfs.false_string),
(urr_id & 0x7fffffff));
if (offset < length) {
proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1);
}
}
/*
* 8.2.55 Linked URR ID IE
* 8.2.56 Outer Header Creation
* 8.2.57 BAR ID
@ -718,6 +831,31 @@ dissect_pfcp_ue_ip_address(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
/*
* 8.2.64 Outer Header Removal
*/
static const value_string pfcp_out_hdr_desc_vals[] = {
{ 0, "GTP-U/UDP/IPv4" },
{ 1, "GTP-U/UDP/IPv6" },
{ 2, "UDP/IPv4" },
{ 3, "UDP/IPv6 " },
{ 0, NULL }
};
static void
dissect_pfcp_outer_hdr_rem(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_)
{
int offset = 0;
guint32 value;
/* Octet 5 to (n+4) Application Identifier
* The Application Identifier shall be encoded as an OctetString (see 3GPP TS 29.212)
*/
proto_tree_add_item_ret_uint(tree, hf_pfcp_out_hdr_desc, tvb, offset, 1, ENC_BIG_ENDIAN, &value);
offset++;
proto_item_append_text(item, "%s", val_to_str_const(value, pfcp_out_hdr_desc_vals, "Unknown"));
if (offset < length) {
proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1);
}
}
/*
* 8.2.65 Recovery Time Stamp
*/
@ -743,19 +881,90 @@ dissect_pfcp_recovery_time_stamp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *
}
/*
* 8.2.66 DL Flow Level Marking
*/
/*
* 8.2.67 Header Enrichment
*/
/*
* 8.2.68 Measurement Information
*/
/*
* 8.2.69 Node Report Type
*/
/*
* 8.2.70 Remote GTP-U Peer
*/
/*
* 8.2.71 UR-SEQN
*/
/*
* 8.2.72 Activate Predefined Rules
*/
/*
* 8.2.73 Deactivate Predefined Rules
*/
/*
* 8.2.74 FAR ID
*/
static void
dissect_pfcp_far_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_)
{
int offset = 0;
guint32 far_id;
/* Octet 5 to 8 FAR ID value
* The bit 8 of octet 5 is used to indicate if the Rule ID is dynamically allocated
* by the CP function or predefined in the UP function. If set to 0, it indicates that
* the Rule is dynamically provisioned by the CP Function. If set to 1, it indicates that
* the Rule is predefined in the UP Function.
*/
proto_tree_add_item(tree, hf_pfcp_far_id_flg, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item_ret_uint(tree, hf_pfcp_far_id, tvb, offset, 4, ENC_BIG_ENDIAN, &far_id);
offset += 4;
proto_item_append_text(item, "%s %u",
((far_id&80000000)? pfcp_id_predef_dynamic_tfs.true_string : pfcp_id_predef_dynamic_tfs.false_string),
(far_id & 0x7fffffff));
if (offset < length) {
proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1);
}
}
/*
* 8.2.75 QER ID
*/
static void
dissect_pfcp_qer_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_)
{
int offset = 0;
guint32 qer_id;
/* Octet 5 to 8 URR ID value
* The bit 8 of octet 5 is used to indicate if the Rule ID is dynamically allocated by the CP function
* or predefined in the UP function. If set to 0, it indicates that the Rule is dynamically provisioned
* by the CP Function. If set to 1, it indicates that the Rule is predefined in the UP Function
*/
proto_tree_add_item(tree, hf_pfcp_qer_id_flg, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item_ret_uint(tree, hf_pfcp_qer_id, tvb, offset, 4, ENC_BIG_ENDIAN, &qer_id);
offset += 4;
proto_item_append_text(item, "%s %u",
((qer_id & 80000000) ? pfcp_id_predef_dynamic_tfs.true_string : pfcp_id_predef_dynamic_tfs.false_string),
(qer_id & 0x7fffffff));
if (offset < length) {
proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1);
}
}
/*
* 8.2.76 OCI Flag
*/
/*
* 8.2.77 Sx Association Release Request
*/
/*
* 8.2.78 Graceful Release Period
*/
*/
@ -790,8 +999,8 @@ static const pfcp_ie_t pfcp_ies[] = {
/* 20 */ { dissect_pfcp_source_interface }, /* Source Interface Extendable / Subclause 8.2.2 */
/* 21 */ { dissect_pfcp_f_teid }, /* F-TEID Extendable / Subclause 8.2.3 */
/* 22 */ { dissect_pfcp_pdn_instance }, /* PDN Instance Variable Length / Subclause 8.2.4 */
/* 23 */ { NULL }, /* SDF Filter Extendable / Subclause 8.2.5 */
/* 24 */ { dissect_pfcp_application_id }, /* Application ID Variable Length / Subclause 8.2.6 */
/* 23 */ { dissect_pfcp_sdf_filter }, /* SDF Filter Extendable / Subclause 8.2.5 */
/* 24 */ { dissect_pfcp_application_id }, /* Application ID Variable Length / Subclause 8.2.6 */
/* 25 */ { NULL }, /* Gate Status Extendable / Subclause 8.2.7 */
/* 26 */ { NULL }, /* MBR Extendable / Subclause 8.2.8 */
/* 27 */ { NULL }, /* GBR Extendable / Subclause 8.2.9 */
@ -848,7 +1057,7 @@ static const pfcp_ie_t pfcp_ies[] = {
/* 78 */ { NULL }, /* Usage Report (in Session Modification Response) Extendable / Table 7.5.5.2-1 */
/* 79 */ { NULL }, /* Usage Report (Session Deletion Response) Extendable / Table 7.5.7.2-1 */
/* 80 */ { NULL }, /* Usage Report (Session Report Request) Extendable / Table 7.5.8.3-1 */
/* 81 */ { NULL }, /* URR ID Extendable / Subclause 8.2.54 */
/* 81 */ { dissect_pfcp_urr_id }, /* URR ID Extendable / Subclause 8.2.54 */
/* 82 */ { NULL }, /* Linked URR ID Extendable / Subclause 8.2.55 */
/* 83 */ { NULL }, /* Downlink Data Report Extendable / Table 7.5.8.2-1 */
/* 84 */ { NULL }, /* Outer Header Creation Extendable / Subclause 8.2.56 */
@ -862,7 +1071,7 @@ static const pfcp_ie_t pfcp_ies[] = {
/* 92 */ { NULL }, /* Flow Information Extendable / Subclause 8.2.61 */
/* 93 */ { dissect_pfcp_ue_ip_address }, /* UE IP Address Extendable / Subclause 8.2.62 */
/* 94 */ { NULL }, /* Packet Rate Extendable / Subclause 8.2.63 */
/* 95 */ { NULL }, /* Outer Header Removal Extendable / Subclause 8.2.64 */
/* 95 */ { dissect_pfcp_outer_hdr_rem }, /* Outer Header Removal Extendable / Subclause 8.2.64 */
/* 96 */ { dissect_pfcp_recovery_time_stamp }, /* Recovery Time Stamp Extendable / Subclause 8.2.65 */
/* 97 */ { NULL }, /* DL Flow Level Marking Extendable / Subclause 8.2.66 */
/* 98 */ { NULL }, /* Header Enrichment Extendable / Subclause 8.2.67 */
@ -875,8 +1084,8 @@ static const pfcp_ie_t pfcp_ies[] = {
/* 105 */ { NULL }, /* Update Duplicating Parameters Extendable / Table 7.5.4.3-3 */
/* 106 */ { NULL }, /* Activate Predefined Rules Variable Length / Subclause 8.2.72 */
/* 107 */ { NULL }, /* Deactivate Predefined Rules Variable Length / Subclause 8.2.73 */
/* 108 */ { NULL }, /* FAR ID Extendable / Subclause 8.2.74 */
/* 109 */ { NULL }, /* QER ID Extendable / Subclause 8.2.75 */
/* 108 */ { dissect_pfcp_far_id }, /* FAR ID Extendable / Subclause 8.2.74 */
/* 109 */ { dissect_pfcp_qer_id }, /* QER ID Extendable / Subclause 8.2.75 */
/* 110 */ { NULL }, /* OCI Flags Extendable / Subclause 8.2.76 */
/* 111 */ { NULL }, /* Sx Association Release Request Extendable / Subclause 8.2.77 */
/* 112 */ { NULL }, /* Graceful Release Period Extendable / Subclause 8.2.78 */
@ -1282,7 +1491,11 @@ proto_register_pfcp(void)
FT_UINT8, BASE_DEC, NULL, 0xf0,
NULL, HFILL }
},
{ &hf_pfcp_spare,
{ "Spare", "pfcp.spare",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_pfcp_seid,
{ "SEID", "pfcp.seid",
FT_UINT64, BASE_DEC, NULL, 0x0,
@ -1462,10 +1675,95 @@ proto_register_pfcp(void)
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_pfcp_sdf_filter_flags,
{ "Flags", "pfcp.sdf_filter_flags",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_pfcp_sdf_filter_b0_fd,
{ "FD (Flow Description)", "pfcp.sdf_filter.fd",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_pfcp_sdf_filter_b1_ttc,
{ "TTC (ToS Traffic Class)", "pfcp.sdf_filter.ttc",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_pfcp_sdf_filter_b2_spi,
{ "SPI (Security Parameter Index)", "pfcp.sdf_filter.spi",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_pfcp_sdf_filter_b3_fl,
{ "FL (Flow Label)", "pfcp.sdf_filter.fl",
FT_BOOLEAN, 8, NULL, 0x08,
NULL, HFILL }
},
{ &hf_pfcp_flow_desc_len,
{ "Length of Flow Description", "pfcp.flow_desc_len",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_pfcp_fd,
{ "Flow Description field", "pfcp.fd",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_pfcp_ttc,
{ "ToS Traffic Class field", "pfcp.ttc",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_pfcp_spi,
{ "Security Parameter Index field", "pfcp.spi",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_pfcp_fl,
{ "Flow Label field", "pfcp.fl",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_pfcp_out_hdr_desc,
{ "Outer Header Removal Description", "pfcp.out_hdr_desc",
FT_UINT8, BASE_DEC, VALS(pfcp_out_hdr_desc_vals), 0x0,
NULL, HFILL }
},
{ &hf_pfcp_far_id_flg,
{ "Allocation type", "pfcp.far_id_flg",
FT_BOOLEAN, 32, TFS(&pfcp_id_predef_dynamic_tfs), 0x80000000,
NULL, HFILL }
},
{ &hf_pfcp_far_id,
{ "FAR ID", "pfcp.far_id",
FT_UINT32, BASE_DEC, NULL, 0x7fffffff,
NULL, HFILL }
},
{ &hf_pfcp_urr_id_flg,
{ "Allocation type", "pfcp.urr_id_flg",
FT_BOOLEAN, 32, TFS(&pfcp_id_predef_dynamic_tfs), 0x80000000,
NULL, HFILL }
},
{ &hf_pfcp_urr_id,
{ "URR ID", "pfcp.urr_id",
FT_UINT32, BASE_DEC, NULL, 0x7fffffff,
NULL, HFILL }
},
{ &hf_pfcp_qer_id_flg,
{ "Allocation type", "pfcp.qer_id_flg",
FT_BOOLEAN, 32, TFS(&pfcp_id_predef_dynamic_tfs), 0x80000000,
NULL, HFILL }
},
{ &hf_pfcp_qer_id,
{ "QER ID", "pfcp.qer_id",
FT_UINT32, BASE_DEC, NULL, 0x7fffffff,
NULL, HFILL }
},
};
/* Setup protocol subtree array */
#define NUM_INDIVIDUAL_ELEMS_PFCP 7
#define NUM_INDIVIDUAL_ELEMS_PFCP 8
gint *ett[NUM_INDIVIDUAL_ELEMS_PFCP +
(NUM_PFCP_IES - 1)];
@ -1476,6 +1774,7 @@ proto_register_pfcp(void)
ett[4] = &ett_pfcp_f_seid_flags;
ett[5] = &ett_f_teid_flags;
ett[6] = &ett_pfcp_ue_ip_address_flags;
ett[7] = &ett_pfcp_sdf_filter_flags;
static ei_register_info ei[] = {
{ &ei_pfcp_ie_reserved,{ "pfcp.ie_id_reserved", PI_PROTOCOL, PI_ERROR, "Reserved IE value used", EXPFILL } },