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GTPv2:Use more proto_tree_add_bitmask_list

This commit is contained in:
Anders Broman 2024-02-16 16:26:00 +01:00 committed by AndersBroman
parent b1bd18d826
commit dff1a79961
1 changed files with 140 additions and 73 deletions
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213
epan/dissectors/packet-gtpv2.c
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@ -2258,9 +2258,14 @@ static void
dissect_gtpv2_sv_flags(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_)
{
int offset = 0;
proto_tree_add_item(tree, hf_gtpv2_sv_sti, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_gtpv2_sv_ics, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_gtpv2_sv_emind, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const sv_flags[] = {
&hf_gtpv2_sv_sti,
&hf_gtpv2_sv_ics,
&hf_gtpv2_sv_emind,
NULL
};
proto_tree_add_bitmask_list(tree, tvb, offset, 1, sv_flags, ENC_NA);
offset += 1;
if (length > 1)
proto_tree_add_item(tree, hf_gtpv2_teid_c_spare, tvb, offset, length-1, ENC_NA);
@ -2786,9 +2791,13 @@ static void
dissect_gtpv2_bearer_qos(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_)
{
int offset = 0;
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pci, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pl, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pvi, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const bearer_qos_oct1_flags[] = {
&hf_gtpv2_bearer_qos_pci,
&hf_gtpv2_bearer_qos_pl,
&hf_gtpv2_bearer_qos_pl,
NULL
};
proto_tree_add_bitmask_list(tree, tvb, offset, 1, bearer_qos_oct1_flags, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_label_qci, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
@ -3835,11 +3844,15 @@ dissect_gtpv2_tra_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, prot
pgw_tree = proto_tree_add_subtree(trigg_tree, tvb, offset + 8, 1, ett_gtpv2_tra_info_trigg_pgw, NULL, "PGW");
/* MSC Server - 2 octets */
proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_momt_calls, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_momt_sms, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_lu_imsi_ad, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_handovers, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_ss, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_msc_flags[] = {
&hf_gtpv2_tra_info_msc_ss,
&hf_gtpv2_tra_info_msc_handovers,
&hf_gtpv2_tra_info_msc_lu_imsi_ad,
&hf_gtpv2_tra_info_msc_momt_sms,
&hf_gtpv2_tra_info_msc_momt_calls,
NULL
};
proto_tree_add_bitmask_list(msc_server_tree, tvb, offset, 1, tra_info_msc_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(msc_server_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
offset += 1;
@ -3853,10 +3866,14 @@ dissect_gtpv2_tra_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, prot
proto_tree_add_bits_item(mgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 7, ENC_BIG_ENDIAN);
offset += 1;
/* SGSN - 2 octets */
proto_tree_add_item(sgsn_tree, hf_gtpv2_tra_info_sgsn_pdp_context, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgsn_tree, hf_gtpv2_tra_info_sgsn_momt_sms, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgsn_tree, hf_gtpv2_tra_info_sgsn_rau_gprs_ad, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgsn_tree, hf_gtpv2_tra_info_sgsn_mbms, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_sgsn_flags[] = {
&hf_gtpv2_tra_info_sgsn_mbms,
&hf_gtpv2_tra_info_sgsn_rau_gprs_ad,
&hf_gtpv2_tra_info_sgsn_momt_sms,
&hf_gtpv2_tra_info_sgsn_pdp_context,
NULL
};
proto_tree_add_bitmask_list(sgsn_tree, tvb, offset, 1, tra_info_sgsn_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(sgsn_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
offset += 1;
@ -3874,24 +3891,38 @@ dissect_gtpv2_tra_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, prot
proto_tree_add_bits_item(bm_sc_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 7, ENC_BIG_ENDIAN);
offset += 1;
/* MME/SGW - 1 octet */
proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_ss, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_sr, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_iataud, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_ue_init_pdn_disc, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_bearer_act_mod_del, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_ho, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_mme_flags[] = {
&hf_gtpv2_tra_info_mme_sgw_ho,
&hf_gtpv2_tra_info_mme_sgw_bearer_act_mod_del,
&hf_gtpv2_tra_info_mme_sgw_ue_init_pdn_disc,
&hf_gtpv2_tra_info_mme_sgw_iataud,
&hf_gtpv2_tra_info_mme_sgw_sr,
&hf_gtpv2_tra_info_mme_sgw_ss,
NULL
};
proto_tree_add_bitmask_list(sgw_mme_tree, tvb, offset, 1, tra_info_mme_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(sgw_mme_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 2, ENC_BIG_ENDIAN);
offset += 1;
/* PGW/SGW - 1 octet */
proto_tree_add_item(sgw_tree, hf_gtpv2_tra_info_sgw_pdn_con_creat, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgw_tree, hf_gtpv2_tra_info_sgw_pdn_con_term, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sgw_tree, hf_gtpv2_tra_info_sgw_bearer_act_mod_del, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_sgw_pdn_flags[] = {
&hf_gtpv2_tra_info_sgw_bearer_act_mod_del,
&hf_gtpv2_tra_info_sgw_pdn_con_term,
&hf_gtpv2_tra_info_sgw_pdn_con_creat,
NULL
};
proto_tree_add_bitmask_list(sgw_mme_tree, tvb, offset, 1, tra_info_sgw_pdn_flags, ENC_BIG_ENDIAN);
bit_offset = (offset << 3) + 4;
proto_tree_add_bits_item(sgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(pgw_tree, hf_gtpv2_tra_info_pgw_pdn_con_creat, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(pgw_tree, hf_gtpv2_tra_info_pgw_pdn_con_term, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(pgw_tree, hf_gtpv2_tra_info_pgw_bearer_act_mod_del, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_pgw_flags[] = {
&hf_gtpv2_tra_info_pgw_pdn_con_creat,
&hf_gtpv2_tra_info_pgw_pdn_con_term,
&hf_gtpv2_tra_info_pgw_pdn_con_creat,
NULL
};
proto_tree_add_bitmask_list(pgw_tree, tvb, offset, 1, tra_info_pgw_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(pgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 1, ENC_BIG_ENDIAN);
offset += 1;
@ -3936,14 +3967,18 @@ dissect_gtpv2_tra_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, prot
lenb_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 11, 1, ett_gtpv2_tra_info_interfaces_lpdn_lenb, NULL, "eNB");
/* MSC Server - 2 octets */
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_a, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_lu, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_mc, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_g, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_b, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_e, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_f, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_cap, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_lmsc_flags[] = {
&hf_gtpv2_tra_info_lmsc_cap,
&hf_gtpv2_tra_info_lmsc_map_f,
&hf_gtpv2_tra_info_lmsc_map_e,
&hf_gtpv2_tra_info_lmsc_map_b,
&hf_gtpv2_tra_info_lmsc_map_g,
&hf_gtpv2_tra_info_lmsc_mc,
&hf_gtpv2_tra_info_lmsc_lu,
&hf_gtpv2_tra_info_lmsc_a,
NULL
};
proto_tree_add_bitmask_list(imsc_server_tree, tvb, offset, 1, tra_info_lmsc_flags, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_d, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_c, tvb, offset, 1, ENC_BIG_ENDIAN);
@ -3951,38 +3986,54 @@ dissect_gtpv2_tra_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, prot
proto_tree_add_bits_item(imsc_server_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 6, ENC_BIG_ENDIAN);
offset += 1;
/* MGW - 1 octet */
proto_tree_add_item(lmgw_tree, hf_gtpv2_tra_info_lmgw_mc, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lmgw_tree, hf_gtpv2_tra_info_lmgw_nb_up, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lmgw_tree, hf_gtpv2_tra_info_lmgw_lu_up, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_lmgw_flags[] = {
&hf_gtpv2_tra_info_lmgw_lu_up,
&hf_gtpv2_tra_info_lmgw_nb_up,
&hf_gtpv2_tra_info_lmgw_mc,
NULL
};
proto_tree_add_bitmask_list(lmgw_tree, tvb, offset, 1, tra_info_lmgw_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(lmgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 5, ENC_BIG_ENDIAN);
offset += 1;
/* SGSN - 2 octets */
proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_gb, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_lu, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_gn, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_map_gr, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_map_gd, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_map_gf, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_gs, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_ge, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_lsgsn_flags[] = {
&hf_gtpv2_tra_info_lsgsn_ge,
&hf_gtpv2_tra_info_lsgsn_gs,
&hf_gtpv2_tra_info_lsgsn_map_gf,
&hf_gtpv2_tra_info_lsgsn_map_gd,
&hf_gtpv2_tra_info_lsgsn_map_gr,
&hf_gtpv2_tra_info_lsgsn_gn,
&hf_gtpv2_tra_info_lsgsn_lu,
&hf_gtpv2_tra_info_lsgsn_gb,
NULL
};
proto_tree_add_bitmask_list(lsgsn_tree, tvb, offset, 1, tra_info_lsgsn_flags, ENC_BIG_ENDIAN);
offset += 1;
bit_offset = offset << 3;
proto_tree_add_bits_item(lsgsn_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 8, ENC_BIG_ENDIAN);
offset += 1;
/* GGSN - 1 octet */
proto_tree_add_item(lggsn_tree, hf_gtpv2_tra_info_lggsn_gn, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lggsn_tree, hf_gtpv2_tra_info_lggsn_gi, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lggsn_tree, hf_gtpv2_tra_info_lggsn_gmb, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_lggsn_flags[] = {
&hf_gtpv2_tra_info_lggsn_gmb,
& hf_gtpv2_tra_info_lggsn_gi,
& hf_gtpv2_tra_info_lggsn_gn,
NULL
};
proto_tree_add_bitmask_list(lggsn_tree, tvb, offset, 1, tra_info_lggsn_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(lggsn_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 5, ENC_BIG_ENDIAN);
offset += 1;
/* RNC - 1 octet */
proto_tree_add_item(lrnc_tree, hf_gtpv2_tra_info_lrnc_lu, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lrnc_tree, hf_gtpv2_tra_info_lrnc_lur, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lrnc_tree, hf_gtpv2_tra_info_lrnc_lub, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lrnc_tree, hf_gtpv2_tra_info_lrnc_uu, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_lrnc_flags[] = {
&hf_gtpv2_tra_info_lrnc_uu,
&hf_gtpv2_tra_info_lrnc_lub,
&hf_gtpv2_tra_info_lrnc_lur,
&hf_gtpv2_tra_info_lrnc_lu,
NULL
};
proto_tree_add_bitmask_list(lrnc_tree, tvb, offset, 1, tra_info_lrnc_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(lrnc_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
offset += 1;
@ -3992,36 +4043,52 @@ dissect_gtpv2_tra_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, prot
proto_tree_add_bits_item(lbm_sc_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 7, ENC_BIG_ENDIAN);
offset += 1;
/* MME - 1 octet */
proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s1_mme, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s3, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s6a, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s10, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s11, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_lmme_flags[] = {
&hf_gtpv2_tra_info_lmme_s11,
&hf_gtpv2_tra_info_lmme_s10,
&hf_gtpv2_tra_info_lmme_s6a,
&hf_gtpv2_tra_info_lmme_s3,
&hf_gtpv2_tra_info_lmme_s1_mme,
NULL
};
proto_tree_add_bitmask_list(lmme_tree, tvb, offset, 1, tra_info_lmme_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(lmme_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 3, ENC_BIG_ENDIAN);
offset += 1;
/* SGW - 1 octet */
proto_tree_add_item(lsgw_tree, hf_gtpv2_tra_info_lsgw_s4, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgw_tree, hf_gtpv2_tra_info_lsgw_s5, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgw_tree, hf_gtpv2_tra_info_lsgw_s8b, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lsgw_tree, hf_gtpv2_tra_info_lsgw_s11, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_lsgw_flags[] = {
&hf_gtpv2_tra_info_lsgw_s11,
&hf_gtpv2_tra_info_lsgw_s8b,
&hf_gtpv2_tra_info_lsgw_s5,
&hf_gtpv2_tra_info_lsgw_s4,
NULL
};
proto_tree_add_bitmask_list(lsgw_tree, tvb, offset, 1, tra_info_lsgw_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(lsgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
offset += 1;
/* PDN GW - 1 octet */
proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s2a, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s2b, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s2c, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s5, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s6c, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_gx, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s8b, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_sgi, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_lpdn_gw_flags[] = {
&hf_gtpv2_tra_info_lpdn_gw_sgi,
&hf_gtpv2_tra_info_lpdn_gw_s8b,
&hf_gtpv2_tra_info_lpdn_gw_gx,
&hf_gtpv2_tra_info_lpdn_gw_s6c,
&hf_gtpv2_tra_info_lpdn_gw_s5,
&hf_gtpv2_tra_info_lpdn_gw_s2c,
&hf_gtpv2_tra_info_lpdn_gw_s2b,
&hf_gtpv2_tra_info_lpdn_gw_s2a,
NULL
};
proto_tree_add_bitmask_list(lpdn_gw_tree, tvb, offset, 1, tra_info_lpdn_gw_flags, ENC_BIG_ENDIAN);
offset += 1;
/* eNB - 1 octet */
proto_tree_add_item(lenb_tree, hf_gtpv2_tra_info_lenb_s1_mme, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lenb_tree, hf_gtpv2_tra_info_lenb_x2, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(lenb_tree, hf_gtpv2_tra_info_lenb_uu, tvb, offset, 1, ENC_BIG_ENDIAN);
static int* const tra_info_lenb_flags[] = {
&hf_gtpv2_tra_info_lenb_uu,
&hf_gtpv2_tra_info_lenb_x2,
&hf_gtpv2_tra_info_lenb_s1_mme,
NULL
};
proto_tree_add_bitmask_list(lenb_tree, tvb, offset, 1, tra_info_lenb_flags, ENC_BIG_ENDIAN);
bit_offset = offset << 3;
proto_tree_add_bits_item(lenb_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 5, ENC_BIG_ENDIAN);