mirror of https://gerrit.osmocom.org/libosmocore
591 lines
31 KiB
C
591 lines
31 KiB
C
/*! \file gprs_bssgp_util.c
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* GPRS BSSGP protocol implementation as per 3GPP TS 08.18. */
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/*
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* (C) 2009-2017 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <errno.h>
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#include <stdint.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/byteswap.h>
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#include <osmocom/gsm/tlv.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/gprs/gprs_bssgp.h>
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#include <osmocom/gprs/gprs_ns.h>
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#include "gprs_bssgp_internal.h"
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struct gprs_ns_inst *bssgp_nsi;
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/* BSSGP Protocol specific, not implementation specific */
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/* FIXME: This needs to go into libosmocore after finished */
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/* Chapter 11.3.9 / Table 11.10: Cause coding */
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static const struct value_string bssgp_cause_strings[] = {
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{ BSSGP_CAUSE_PROC_OVERLOAD, "Processor overload" },
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{ BSSGP_CAUSE_EQUIP_FAIL, "Equipment Failure" },
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{ BSSGP_CAUSE_TRASIT_NET_FAIL, "Transit network service failure" },
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{ BSSGP_CAUSE_CAPA_GREATER_0KPBS, "Transmission capacity modified" },
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{ BSSGP_CAUSE_UNKNOWN_MS, "Unknown MS" },
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{ BSSGP_CAUSE_UNKNOWN_BVCI, "Unknown BVCI" },
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{ BSSGP_CAUSE_CELL_TRAF_CONG, "Cell traffic congestion" },
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{ BSSGP_CAUSE_SGSN_CONG, "SGSN congestion" },
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{ BSSGP_CAUSE_OML_INTERV, "O&M intervention" },
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{ BSSGP_CAUSE_BVCI_BLOCKED, "BVCI blocked" },
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{ BSSGP_CAUSE_PFC_CREATE_FAIL, "PFC create failure" },
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{ BSSGP_CAUSE_PFC_PREEMPTED, "PFC preempted" },
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{ BSSGP_CAUSE_ABQP_NOT_SUPP, "ABQP no more supported" },
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{ BSSGP_CAUSE_SEM_INCORR_PDU, "Semantically incorrect PDU" },
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{ BSSGP_CAUSE_INV_MAND_INF, "Invalid mandatory information" },
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{ BSSGP_CAUSE_MISSING_MAND_IE, "Missing mandatory IE" },
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{ BSSGP_CAUSE_MISSING_COND_IE, "Missing conditional IE" },
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{ BSSGP_CAUSE_UNEXP_COND_IE, "Unexpected conditional IE" },
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{ BSSGP_CAUSE_COND_IE_ERR, "Conditional IE error" },
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{ BSSGP_CAUSE_PDU_INCOMP_STATE, "PDU incompatible with protocol state" },
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{ BSSGP_CAUSE_PROTO_ERR_UNSPEC, "Protocol error - unspecified" },
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{ BSSGP_CAUSE_PDU_INCOMP_FEAT, "PDU not compatible with feature set" },
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{ BSSGP_CAUSE_REQ_INFO_NOT_AVAIL, "Requested Information not available" },
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{ BSSGP_CAUSE_UNKN_DST , "Unknown Destination address" },
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{ BSSGP_CAUSE_UNKN_RIM_AI, "Unknown RIM Application Identity or RIM application disabled" },
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{ BSSGP_CAUSE_INVAL_CONT_UI, "Invalid Container Unit Information" },
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{ BSSGP_CAUSE_PFC_QUEUE, "PFC queuing" },
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{ BSSGP_CAUSE_PFC_CREATED, "PFC created successfully" },
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{ BSSGP_CAUSE_T12_EXPIRY, "T12 expiry" },
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{ BSSGP_CAUSE_MS_UNDER_PS_HO, "MS under PS Handover treatment" },
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{ BSSGP_CAUSE_UL_QUALITY, "Uplink quality" },
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{ BSSGP_CAUSE_UL_STRENGTH, "Uplink strength" },
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{ BSSGP_CAUSE_DL_QUALITY, "Downlink quality" },
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{ BSSGP_CAUSE_DL_STRENGTH, "Downlink strength" },
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{ BSSGP_CAUSE_DISTANCE, "Distance" },
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{ BSSGP_CAUSE_BETTER_CELL, "Better cell" },
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{ BSSGP_CAUSE_TRAFFIC, "Traffic" },
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{ BSSGP_CAUSE_MS_RADIO_LOSS, "Radio contact lost with MS" },
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{ BSSGP_CAUSE_MS_BACK_OLD_CHAN, "MS back on old channel" },
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{ BSSGP_CAUSE_T13_EXPIRY, "T13 expiry" },
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{ BSSGP_CAUSE_T14_EXPIRY, "T14 expiry" },
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{ BSSGP_CAUSE_NOT_ALL_PFC, "Not all requested PFCs created" },
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{ BSSGP_CAUSE_CS, "CS cause" },
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{ BSSGP_CAUSE_REQ_ALG_NOT_SUPP, "Requested ciphering and/or integrity protection algorithms not supported" },
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{ BSSGP_CAUSE_RELOC_FAIL, "Relocation failure in target system" },
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{ BSSGP_CAUSE_DIR_RETRY , "Directed Retry" },
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{ BSSGP_CAUSE_TIME_CRIT_RELOC , "Time critical relocation" },
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{ BSSGP_CAUSE_PS_HO_TARG_NA , "PS Handover Target not allowed" },
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{ BSSGP_CAUSE_PS_HO_TARG_NOT_SUPP, "PS Handover not Supported in Target BSS or Target System" },
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{ BSSGP_CAUSE_PUESBINE, "Incoming relocation not supported due to PUESBINE feature" },
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{ BSSGP_CAUSE_DTM_HO_NO_CS_RES, "DTM Handover - No CS resource" },
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{ BSSGP_CAUSE_DTM_HO_PS_ALLOC_FAIL, "DTM Handover - PS Allocation failure" },
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{ BSSGP_CAUSE_DTM_HO_T24_EXPIRY, "DTM Handover - T24 expiry" },
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{ BSSGP_CAUSE_DTM_HO_INVAL_CS_IND, "DTM Handover - Invalid CS Indication IE" },
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{ BSSGP_CAUSE_DTM_HO_T23_EXPIRY, "DTM Handover - T23 expiry" },
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{ BSSGP_CAUSE_DTM_HO_MSC_ERR, "DTM Handover - MSC Error" },
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{ BSSGP_CAUSE_INVAL_CSG_CELL, "Invalid CSG cell" },
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{ 0, NULL },
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};
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static const struct value_string bssgp_pdu_strings[] = {
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{ BSSGP_PDUT_DL_UNITDATA, "DL-UNITDATA" },
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{ BSSGP_PDUT_UL_UNITDATA, "UL-UNITDATA" },
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{ BSSGP_PDUT_RA_CAPABILITY, "RA-CAPABILITY" },
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{ BSSGP_PDUT_PTM_UNITDATA, "PTM-UNITDATA" },
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{ BSSGP_PDUT_DL_MMBS_UNITDATA, "DL-MBMS-UNITDATA" },
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{ BSSGP_PDUT_UL_MMBS_UNITDATA, "UL-MBMS-UNITDATA" },
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{ BSSGP_PDUT_PAGING_PS, "PAGING-PS" },
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{ BSSGP_PDUT_PAGING_CS, "PAGING-CS" },
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{ BSSGP_PDUT_RA_CAPA_UDPATE, "RA-CAPABILITY-UPDATE" },
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{ BSSGP_PDUT_RA_CAPA_UPDATE_ACK, "RA-CAPABILITY-UPDATE-ACK" },
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{ BSSGP_PDUT_RADIO_STATUS, "RADIO-STATUS" },
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{ BSSGP_PDUT_SUSPEND, "SUSPEND" },
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{ BSSGP_PDUT_SUSPEND_ACK, "SUSPEND-ACK" },
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{ BSSGP_PDUT_SUSPEND_NACK, "SUSPEND-NACK" },
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{ BSSGP_PDUT_RESUME, "RESUME" },
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{ BSSGP_PDUT_RESUME_ACK, "RESUME-ACK" },
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{ BSSGP_PDUT_RESUME_NACK, "RESUME-NACK" },
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{ BSSGP_PDUT_DUMMY_PAGING_PS, "DUMMY-PAGING-PS" },
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{ BSSGP_PDUT_DUMMY_PAGING_PS_RESP, "DUMMY-PAGING-PS-RESP" },
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{ BSSGP_PDUT_MS_REGISTR_ENQ, "MS-REGISTRATION-ENQ" },
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{ BSSGP_PDUT_MS_REGISTR_ENQ_RESP, "MS-REGISTRATION-ENQ-RESP" },
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{ BSSGP_PDUT_BVC_BLOCK, "BVC-BLOCK" },
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{ BSSGP_PDUT_BVC_BLOCK_ACK, "BVC-BLOCK-ACK" },
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{ BSSGP_PDUT_BVC_RESET, "BVC-RESET" },
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{ BSSGP_PDUT_BVC_RESET_ACK, "BVC-RESET-ACK" },
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{ BSSGP_PDUT_BVC_UNBLOCK, "BVC-UNBLOCK" },
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{ BSSGP_PDUT_BVC_UNBLOCK_ACK, "BVC-UNBLOCK-ACK" },
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{ BSSGP_PDUT_FLOW_CONTROL_BVC, "FLOW-CONTROL-BVC" },
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{ BSSGP_PDUT_FLOW_CONTROL_BVC_ACK, "FLOW-CONTROL-BVC-ACK" },
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{ BSSGP_PDUT_FLOW_CONTROL_MS, "FLOW-CONTROL-MS" },
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{ BSSGP_PDUT_FLOW_CONTROL_MS_ACK, "FLOW-CONTROL-MS-ACK" },
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{ BSSGP_PDUT_FLUSH_LL, "FLUSH-LL" },
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{ BSSGP_PDUT_FLUSH_LL_ACK, "FLUSH-LL-ACK" },
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{ BSSGP_PDUT_LLC_DISCARD, "LLC DISCARDED" },
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{ BSSGP_PDUT_FLOW_CONTROL_PFC, "FLOW-CONTROL-PFC" },
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{ BSSGP_PDUT_FLOW_CONTROL_PFC_ACK, "FLOW-CONTROL-PFC-ACK" },
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{ BSSGP_PDUT_SGSN_INVOKE_TRACE, "SGSN-INVOKE-TRACE" },
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{ BSSGP_PDUT_STATUS, "STATUS" },
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{ BSSGP_PDUT_OVERLOAD, "OVERLOAD" },
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{ BSSGP_PDUT_DOWNLOAD_BSS_PFC, "DOWNLOAD-BSS-PFC" },
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{ BSSGP_PDUT_CREATE_BSS_PFC, "CREATE-BSS-PFC" },
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{ BSSGP_PDUT_CREATE_BSS_PFC_ACK, "CREATE-BSS-PFC-ACK" },
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{ BSSGP_PDUT_CREATE_BSS_PFC_NACK, "CREATE-BSS-PFC-NACK" },
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{ BSSGP_PDUT_MODIFY_BSS_PFC, "MODIFY-BSS-PFC" },
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{ BSSGP_PDUT_MODIFY_BSS_PFC_ACK, "MODIFY-BSS-PFC-ACK" },
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{ BSSGP_PDUT_DELETE_BSS_PFC, "DELETE-BSS-PFC" },
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{ BSSGP_PDUT_DELETE_BSS_PFC_ACK, "DELETE-BSS-PFC-ACK" },
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{ BSSGP_PDUT_DELETE_BSS_PFC_REQ, "DELETE-BSS-PFC-REQ" },
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{ BSSGP_PDUT_PS_HO_REQUIRED, "PS-HO-REQUIRED" },
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{ BSSGP_PDUT_PS_HO_REQUIRED_ACK, "PS-HO-REQUIRED-ACK" },
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{ BSSGP_PDUT_PS_HO_REQUIRED_NACK, "PS-HO-REQUIRED-NACK" },
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{ BSSGP_PDUT_PS_HO_REQUEST, "PS-HO-REQUEST" },
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{ BSSGP_PDUT_PS_HO_REQUEST_ACK, "PS-HO-REQUEST-ACK" },
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{ BSSGP_PDUT_PS_HO_REQUEST_NACK, "PS-HO-REQUEST-NACK" },
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{ BSSGP_PDUT_PS_HO_COMPLETE, "PS-HO-COMPLETE" },
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{ BSSGP_PDUT_PS_HO_CANCEL, "PS-HO-CANCEL" },
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{ BSSGP_PDUT_PS_HO_COMPLETE_ACK, "PS-HO-COMPLETE-ACK" },
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{ BSSGP_PDUT_PERFORM_LOC_REQ, "PERFORM-LOC-REQ" },
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{ BSSGP_PDUT_PERFORM_LOC_RESP, "PERFORM-LOC-RESP" },
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{ BSSGP_PDUT_PERFORM_LOC_ABORT, "PERFORM-LOC-ABORT" },
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{ BSSGP_PDUT_POSITION_COMMAND, "POSITION-COMMAND" },
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{ BSSGP_PDUT_POSITION_RESPONSE, "POSITION-RESPONSE" },
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{ BSSGP_PDUT_RAN_INFO, "RAN-INFO" },
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{ BSSGP_PDUT_RAN_INFO_REQ, "RAN-INFO-REQ" },
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{ BSSGP_PDUT_RAN_INFO_ACK, "RAN-INFO-ACK" },
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{ BSSGP_PDUT_RAN_INFO_ERROR, "RAN-INFO-ERROR" },
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{ BSSGP_PDUT_RAN_INFO_APP_ERROR, "RAN-INFO-APP-ERROR" },
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{ BSSGP_PDUT_MBMS_START_REQ, "MBMS-START-REQ" },
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{ BSSGP_PDUT_MBMS_START_RESP, "MBMS-START-RESP" },
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{ BSSGP_PDUT_MBMS_STOP_REQ, "MBMS-STOP-REQ" },
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{ BSSGP_PDUT_MBMS_STOP_RESP, "MBMS-STOP-RESP" },
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{ BSSGP_PDUT_MBMS_UPDATE_REQ, "MBMS-UPDATE-REQ" },
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{ BSSGP_PDUT_MBMS_UPDATE_RESP, "MBMS-UPDATE-RESP" },
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{ 0, NULL },
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};
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static const uint8_t dl_ud_ies[] = { BSSGP_IE_PDU_LIFETIME };
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static const uint8_t ul_ud_ies[] = { BSSGP_IE_CELL_ID };
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static const uint8_t ra_cap_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_MS_RADIO_ACCESS_CAP };
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static const uint8_t dl_mb_ud_ies[] = { BSSGP_IE_PDU_LIFETIME, BSSGP_IE_TMGI, BSSGP_IE_LLC_PDU };
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static const uint8_t ul_mb_ud_ies[] = { BSSGP_IE_PDU_LIFETIME, BSSGP_IE_TMGI, BSSGP_IE_LLC_PDU };
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static const uint8_t pag_ps_ies[] = { BSSGP_IE_IMSI, BSSGP_IE_QOS_PROFILE };
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static const uint8_t pag_cs_ies[] = { BSSGP_IE_IMSI, BSSGP_IE_DRX_PARAMS };
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static const uint8_t ra_cap_upd_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG };
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static const uint8_t ra_cap_upd_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG, BSSGP_IE_RA_CAP_UPD_CAUSE };
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static const uint8_t rad_sts_ies[] = { BSSGP_IE_RADIO_CAUSE };
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static const uint8_t suspend_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA };
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static const uint8_t suspend_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA, BSSGP_IE_SUSPEND_REF_NR };
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static const uint8_t suspend_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA };
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static const uint8_t resume_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA, BSSGP_IE_SUSPEND_REF_NR };
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static const uint8_t resume_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA };
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static const uint8_t resume_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA };
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static const uint8_t d_pag_ps_ies[] = { BSSGP_IE_IMSI };
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static const uint8_t d_pag_ps_resp_ies[] = { BSSGP_IE_IMSI, BSSGP_IE_T_UNTIL_NEXT_PAGING };
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static const uint8_t d_pag_ps_rej_ies[] = { BSSGP_IE_IMSI, BSSGP_IE_T_UNTIL_NEXT_PAGING };
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static const uint8_t ms_reg_enq_ies[] = { BSSGP_IE_IMSI };
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static const uint8_t ms_reg_enq_res_ies[] = { BSSGP_IE_IMSI };
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static const uint8_t flush_ll_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_BVCI };
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static const uint8_t flush_ll_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_FLUSH_ACTION };
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static const uint8_t llc_disc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_LLC_FRAMES_DISCARDED, BSSGP_IE_BVCI,
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BSSGP_IE_NUM_OCT_AFF };
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static const uint8_t fc_bvc_ies[] = { BSSGP_IE_TAG, BSSGP_IE_BVC_BUCKET_SIZE, BSSGP_IE_BUCKET_LEAK_RATE,
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BSSGP_IE_BMAX_DEFAULT_MS, BSSGP_IE_R_DEFAULT_MS };
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static const uint8_t fc_bvc_ack_ies[] = { BSSGP_IE_TAG };
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static const uint8_t fc_ms_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG, BSSGP_IE_MS_BUCKET_SIZE,
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BSSGP_IE_BUCKET_LEAK_RATE };
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static const uint8_t fc_ms_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG };
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static const uint8_t block_ies[] = { BSSGP_IE_BVCI, BSSGP_IE_CAUSE };
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static const uint8_t block_ack_ies[] = { BSSGP_IE_BVCI };
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static const uint8_t unblock_ies[] = { BSSGP_IE_BVCI };
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static const uint8_t unblock_ack_ies[] = { BSSGP_IE_BVCI };
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static const uint8_t reset_ies[] = { BSSGP_IE_BVCI, BSSGP_IE_CAUSE };
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static const uint8_t reset_ack_ies[] = { BSSGP_IE_BVCI };
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static const uint8_t status_ies[] = { BSSGP_IE_CAUSE };
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static const uint8_t inv_trc_ies[] = { BSSGP_IE_TRACE_TYPE, BSSGP_IE_TRACE_REFERENC };
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static const uint8_t dl_bss_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID };
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static const uint8_t crt_bss_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID,
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BSSGP_IE_PACKET_FLOW_TIMER, BSSGP_IE_AGG_BSS_QOS_PROFILE };
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static const uint8_t crt_bss_pfc_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID,
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BSSGP_IE_AGG_BSS_QOS_PROFILE };
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static const uint8_t crt_bss_pfc_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID, BSSGP_IE_CAUSE };
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static const uint8_t mod_bss_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID,
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BSSGP_IE_AGG_BSS_QOS_PROFILE };
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static const uint8_t mod_bss_pfc_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID,
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BSSGP_IE_PACKET_FLOW_TIMER, BSSGP_IE_AGG_BSS_QOS_PROFILE };
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static const uint8_t del_bss_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID };
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static const uint8_t del_bss_pfc_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID };
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static const uint8_t fc_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG, BSSGP_IE_PFC_FLOW_CTRL_PARAMS };
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static const uint8_t fc_pfc_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG };
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static const uint8_t del_bss_pfc_req_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID, BSSGP_IE_CAUSE };
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static const uint8_t ps_ho_required_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_CAUSE, BSSGP_IE_CELL_ID,
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BSSGP_IE_ACTIVE_PFC_LIST };
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static const uint8_t ps_ho_required_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_LIST_OF_SETUP_PFC };
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static const uint8_t ps_ho_required_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_CAUSE };
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static const uint8_t ps_ho_request_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_IMSI, BSSGP_IE_CAUSE,
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BSSGP_IE_CELL_ID, BSSGP_IE_SBSS_TO_TBSS_TR_CONT,
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BSSGP_IE_PFC_TO_BE_SETUP_LIST };
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static const uint8_t ps_ho_request_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_LIST_OF_SETUP_PFC,
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BSSGP_IE_TBSS_TO_SBSS_TR_CONT };
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static const uint8_t ps_ho_request_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_CAUSE };
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static const uint8_t ps_ho_compl_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_IMSI };
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static const uint8_t ps_ho_cancel_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_CAUSE, BSSGP_IE_CELL_ID };
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static const uint8_t ps_ho_compl_ack_ies[] = { BSSGP_IE_TLLI };
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static const uint8_t overload_ies[] = { BSSGP_IE_PRIO_CLASS_IND };
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static const uint8_t rinfo_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_RIM_CONTAINER };
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static const uint8_t rinfo_req_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_REQ_RIM_CONTAINER };
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static const uint8_t rinfo_ack_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_ACK_RIM_CONTAINER };
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static const uint8_t rinfo_err_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_ERROR_RIM_COINTAINER };
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static const uint8_t rinfo_aerr_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_APP_ERROR_RIM_CONT };
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#define DL BSSGP_PDUF_DL
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#define UL BSSGP_PDUF_UL
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#define SIG BSSGP_PDUF_SIG
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#define PTP BSSGP_PDUF_PTP
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#define PTM BSSGP_PDUF_PTM
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const struct osmo_tlv_prot_def osmo_pdef_bssgp = {
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.name = "BSSGP",
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.tlv_def = &tvlv_att_def,
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.msg_def = {
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[BSSGP_PDUT_DL_UNITDATA] = MSG_DEF("DL-UNITDATA", dl_ud_ies, DL|PTP),
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[BSSGP_PDUT_UL_UNITDATA] = MSG_DEF("UL-UNITDATA", ul_ud_ies, UL|PTP),
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[BSSGP_PDUT_RA_CAPABILITY] = MSG_DEF("RA-CAPABILITY", ra_cap_ies, DL|PTP),
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[BSSGP_PDUT_DL_MMBS_UNITDATA] = MSG_DEF("DL-MBMS-UNITDATA", dl_mb_ud_ies, DL|PTM),
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[BSSGP_PDUT_UL_MMBS_UNITDATA] = MSG_DEF("UL-MBMS-UNITDATA", ul_mb_ud_ies, UL|PTM),
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[BSSGP_PDUT_PAGING_PS] = MSG_DEF("PAGING-PS", pag_ps_ies, DL|PTP|SIG),
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[BSSGP_PDUT_PAGING_CS] = MSG_DEF("PAGING-CS", pag_cs_ies, DL|PTP|SIG),
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[BSSGP_PDUT_RA_CAPA_UDPATE] = MSG_DEF("RA-CAPABILITY-UPDATE", ra_cap_upd_ies, UL|PTP),
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[BSSGP_PDUT_RA_CAPA_UPDATE_ACK] = MSG_DEF("RA-CAPABILITY-UPDATE-ACK", ra_cap_upd_ack_ies, DL|PTP),
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[BSSGP_PDUT_RADIO_STATUS] = MSG_DEF("RADIO-STATUS", rad_sts_ies, UL|PTP),
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[BSSGP_PDUT_SUSPEND] = MSG_DEF("SUSPEND", suspend_ies, UL|SIG),
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[BSSGP_PDUT_SUSPEND_ACK] = MSG_DEF("SUSPEND-ACK", suspend_ack_ies, DL|SIG),
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[BSSGP_PDUT_SUSPEND_NACK] = MSG_DEF("SUSPEND-NACK", suspend_nack_ies, DL|SIG),
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[BSSGP_PDUT_RESUME] = MSG_DEF("RESUME", resume_ies, UL|SIG),
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[BSSGP_PDUT_RESUME_ACK] = MSG_DEF("RESUME-ACK", resume_ack_ies, DL|SIG),
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[BSSGP_PDUT_RESUME_NACK] = MSG_DEF("RESUME-NACK", resume_nack_ies, DL|SIG),
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[BSSGP_PDUT_DUMMY_PAGING_PS] = MSG_DEF("DUMMY-PAGING-PS", d_pag_ps_ies, DL|SIG|PTP),
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[BSSGP_PDUT_DUMMY_PAGING_PS_RESP] = MSG_DEF("DUMMY-PAGING-PS-RESP", d_pag_ps_resp_ies, UL|SIG|PTP),
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[BSSGP_PDUT_PAGING_PS_REJECT] = MSG_DEF("PAGING-PS-REJ", d_pag_ps_rej_ies, UL|SIG|PTP),
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[BSSGP_PDUT_MS_REGISTR_ENQ] = MSG_DEF("MS-REGISRATION-ENQ", ms_reg_enq_ies, UL|SIG),
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[BSSGP_PDUT_MS_REGISTR_ENQ_RESP] = MSG_DEF("MS-REGISRATION-ENQ-RESP", ms_reg_enq_res_ies, DL|SIG),
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[BSSGP_PDUT_FLUSH_LL] = MSG_DEF("FLUSH-LL", flush_ll_ies, DL|SIG),
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[BSSGP_PDUT_FLUSH_LL_ACK] = MSG_DEF("FLUSH-LL-ACK", flush_ll_ack_ies, UL|SIG),
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[BSSGP_PDUT_LLC_DISCARD] = MSG_DEF("LLC-DISCARDED", llc_disc_ies, UL|SIG),
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[BSSGP_PDUT_FLOW_CONTROL_BVC] = MSG_DEF("FC-BVC", fc_bvc_ies, UL|PTP),
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[BSSGP_PDUT_FLOW_CONTROL_BVC_ACK] = MSG_DEF("FC-BVC-ACK", fc_bvc_ack_ies, DL|PTP),
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[BSSGP_PDUT_FLOW_CONTROL_MS] = MSG_DEF("FC-MS", fc_ms_ies, UL|PTP),
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[BSSGP_PDUT_FLOW_CONTROL_MS_ACK] = MSG_DEF("FC-MS-ACK", fc_ms_ack_ies, DL|PTP),
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[BSSGP_PDUT_BVC_BLOCK] = MSG_DEF("BVC-BLOCK", block_ies, UL|SIG),
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[BSSGP_PDUT_BVC_BLOCK_ACK] = MSG_DEF("BVC-BLOCK-ACK", block_ack_ies, DL|SIG),
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[BSSGP_PDUT_BVC_UNBLOCK] = MSG_DEF("BVC-UNBLOCK", unblock_ies, UL|SIG),
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[BSSGP_PDUT_BVC_UNBLOCK_ACK] = MSG_DEF("BVC-UNBLOCK-ACK", unblock_ack_ies, DL|SIG),
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[BSSGP_PDUT_BVC_RESET] = MSG_DEF("BVC-RESET", reset_ies, UL|DL|SIG|PTP),
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[BSSGP_PDUT_BVC_RESET_ACK] = MSG_DEF("BVC-RESET-ACK", reset_ack_ies, UL|DL|SIG|PTP),
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[BSSGP_PDUT_STATUS] = MSG_DEF("STATUS", status_ies, UL|DL|PTP|SIG|PTM),
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[BSSGP_PDUT_SGSN_INVOKE_TRACE] = MSG_DEF("SGSN-INVOKE-TRACE", inv_trc_ies, DL|SIG),
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[BSSGP_PDUT_DOWNLOAD_BSS_PFC] = MSG_DEF("DOWNLOAD-BSS-PFC", dl_bss_pfc_ies, UL|PTP),
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[BSSGP_PDUT_CREATE_BSS_PFC] = MSG_DEF("CREATE-BSS-PFC", crt_bss_pfc_ies, DL|PTP),
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[BSSGP_PDUT_CREATE_BSS_PFC_ACK] = MSG_DEF("CREATE-BSS-PFC-ACK", crt_bss_pfc_ack_ies, UL|PTP),
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[BSSGP_PDUT_CREATE_BSS_PFC_NACK] = MSG_DEF("CREATE-BSS-PFC-NACK", crt_bss_pfc_nack_ies, UL|PTP),
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[BSSGP_PDUT_MODIFY_BSS_PFC] = MSG_DEF("MODIFY-BSS-PFC", mod_bss_pfc_ies, DL|PTP),
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[BSSGP_PDUT_MODIFY_BSS_PFC_ACK] = MSG_DEF("MODIFY-BSS-PFC-ACK", mod_bss_pfc_ack_ies, UL|PTP),
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[BSSGP_PDUT_DELETE_BSS_PFC] = MSG_DEF("DELETE-BSS-PFC", del_bss_pfc_ies, DL|PTP),
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[BSSGP_PDUT_DELETE_BSS_PFC_ACK] = MSG_DEF("DELETE-BSS-PFC-ACK", del_bss_pfc_ack_ies, UL|PTP),
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[BSSGP_PDUT_FLOW_CONTROL_PFC] = MSG_DEF("FC-PFC", fc_pfc_ies, UL|PTP),
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[BSSGP_PDUT_FLOW_CONTROL_PFC_ACK] = MSG_DEF("FC-PFC-ACK", fc_pfc_ack_ies, DL|PTP),
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[BSSGP_PDUT_DELETE_BSS_PFC_REQ] = MSG_DEF("DELETE-BSS-PFC-REQ", del_bss_pfc_req_ies, UL|PTP),
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[BSSGP_PDUT_PS_HO_REQUIRED] = MSG_DEF("PS-HO-REQUIRED", ps_ho_required_ies, UL|PTP),
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[BSSGP_PDUT_PS_HO_REQUIRED_ACK] = MSG_DEF("PS-HO-REQUIRED-ACK", ps_ho_required_ack_ies, DL|PTP),
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[BSSGP_PDUT_PS_HO_REQUIRED_NACK] = MSG_DEF("PS-HO-REQUIRED-NACK", ps_ho_required_nack_ies, DL|PTP),
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[BSSGP_PDUT_PS_HO_REQUEST] = MSG_DEF("PS-HO-REQUEST", ps_ho_request_ies, DL|PTP),
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[BSSGP_PDUT_PS_HO_REQUEST_ACK] = MSG_DEF("PS-HO-REQUEST-ACK", ps_ho_request_ack_ies, UL|PTP),
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[BSSGP_PDUT_PS_HO_REQUEST_NACK] = MSG_DEF("PS-HO-REQUEST-NACK", ps_ho_request_nack_ies, UL|PTP),
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[BSSGP_PDUT_PS_HO_COMPLETE] = MSG_DEF("PS-HO-COMPLETE", ps_ho_compl_ies, UL|PTP),
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[BSSGP_PDUT_PS_HO_CANCEL] = MSG_DEF("PS-HO-CANCEL", ps_ho_cancel_ies, UL|PTP),
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[BSSGP_PDUT_PS_HO_COMPLETE_ACK] = MSG_DEF("PS-HO-COMPLETE-ACK", ps_ho_compl_ack_ies, DL|PTP),
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[BSSGP_PDUT_OVERLOAD] = MSG_DEF("OVERLOAD", overload_ies, DL|SIG),
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/* TODO: Messages on LCS SAP */
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/* Messages on RIM SAP */
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[BSSGP_PDUT_RAN_INFO] = MSG_DEF("RAN-INFORMATION", rinfo_ies, DL|UL|SIG),
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[BSSGP_PDUT_RAN_INFO_REQ] = MSG_DEF("RAN-INFORMATION-REQUEST", rinfo_req_ies, DL|UL|SIG),
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[BSSGP_PDUT_RAN_INFO_ACK] = MSG_DEF("RAN-INFORMATION-ACK", rinfo_ack_ies, DL|UL|SIG),
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[BSSGP_PDUT_RAN_INFO_ERROR] = MSG_DEF("RAN-INFORMATION-ERROR", rinfo_err_ies, DL|UL|SIG),
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[BSSGP_PDUT_RAN_INFO_APP_ERROR] = MSG_DEF("RAN-INFORMATION-APP-ERROR", rinfo_aerr_ies, DL|UL|SIG),
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/* TODO: Messages on MBMS SAP */
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},
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.ie_def = {
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[BSSGP_IE_ALIGNMENT] = { 0, "Alignment Octets" },
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[BSSGP_IE_BMAX_DEFAULT_MS] = { 2, "Bmax default MS" },
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[BSSGP_IE_BSS_AREA_ID] = { 1, "BSS Area Indication" },
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[BSSGP_IE_BUCKET_LEAK_RATE] = { 2, "Bucket Leak Rate (R)" },
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[BSSGP_IE_BVC_BUCKET_SIZE] = { 2, "BVC Bucket Size" },
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[BSSGP_IE_BVCI] = { 2, "BVCI" },
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[BSSGP_IE_BVC_MEASUREMENT] = {2, "BVC Measurement" },
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[BSSGP_IE_CAUSE] = { 1, "Cause" },
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[BSSGP_IE_CELL_ID] = { 8, "Cell Identifier" },
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[BSSGP_IE_CHAN_NEEDED] = { 1, "Channel Needed" },
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[BSSGP_IE_DRX_PARAMS] = { 2, "DRX Parameters" },
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[BSSGP_IE_EMLPP_PRIO] = { 3, "eMLPP Priority" },
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[BSSGP_IE_FLUSH_ACTION] = { 1, "Flush Action" },
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[BSSGP_IE_IMSI] = { 1, "Mobile Identity" },
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[BSSGP_IE_LLC_PDU] = { 0, "LLC-PDU" },
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[BSSGP_IE_LLC_FRAMES_DISCARDED] = { 1, "LLC Frames Discarded" },
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[BSSGP_IE_LOCATION_AREA] = { 5, "Location Area" },
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[BSSGP_IE_LSA_ID_LIST] = { 3, "LSA Identifier List" },
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[BSSGP_IE_LSA_INFORMATION] = { 5, "LSA Information" },
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[BSSGP_IE_MOBILE_ID] = { 1, "Mobile Identity" },
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[BSSGP_IE_MS_BUCKET_SIZE] = { 2, "MS Bucket Size" },
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[BSSGP_IE_MS_RADIO_ACCESS_CAP] = { 1, "MS Radio Access Capability" },
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[BSSGP_IE_OMC_ID] = { 1, "OMC Id" },
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[BSSGP_IE_PDU_IN_ERROR] = { 0, "PDU In Error" },
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[BSSGP_IE_PDU_LIFETIME] = { 2, "PDU Lifetime" },
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[BSSGP_IE_PRIORITY] = { 1, "Priority" },
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[BSSGP_IE_QOS_PROFILE] = { 3, "QoS Profile" },
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[BSSGP_IE_RADIO_CAUSE] = { 1, "Radio Cause" },
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[BSSGP_IE_RA_CAP_UPD_CAUSE] = { 1, "RA-Cap-UPD-Cause" },
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[BSSGP_IE_ROUTEING_AREA] = { 6, "Routeing Area" },
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[BSSGP_IE_R_DEFAULT_MS] = { 2, "R_default_MS" },
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[BSSGP_IE_SUSPEND_REF_NR] = { 1, "Suspend Reference Number" },
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[BSSGP_IE_TAG] = { 1, "Tag" },
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[BSSGP_IE_TLLI] = { 4, "TLLI" },
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[BSSGP_IE_TMSI] = { 4, "TMSI" },
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[BSSGP_IE_TRACE_REFERENC] = { 2, "Trace Reference" },
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[BSSGP_IE_TRACE_TYPE] = { 1, "Trace Type" },
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[BSSGP_IE_TRANSACTION_ID] = { 2, "Transaction Id" },
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[BSSGP_IE_TRIGGER_ID] = { 1, "Trigger Id" },
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[BSSGP_IE_NUM_OCT_AFF] = { 3, "Number of octets affected" },
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[BSSGP_IE_PACKET_FLOW_ID] = { 1, "Packet Flow Identifier (PFI)" },
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[BSSGP_IE_AGG_BSS_QOS_PROFILE] = { 14, "Aggregate BSS QoS Profile" },
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[BSSGP_IE_PACKET_FLOW_TIMER] = { 1, "GPRS Timer" },
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[BSSGP_IE_FEATURE_BITMAP] = { 1, "Feature Bitmap" },
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[BSSGP_IE_BUCKET_FULL_RATIO] = { 1, "Bucket Full Ratio" },
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[BSSGP_IE_SERVICE_UTRAN_CCO] = { 1, "Service UTRAN COO" },
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[BSSGP_IE_NSEI] = { 2, "NSEI" },
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[BSSGP_IE_RRLP_APDU] = { 1, "RLLP APDU" },
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[BSSGP_IE_LCS_QOS] = { 4, "LCS QoS" },
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[BSSGP_IE_LCS_CLIENT_TYPE] = { 1, "LCS Client Type" },
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[BSSGP_IE_REQUESTED_GPS_AST_DATA] = { 4, "Requested GPS Assistance Data" },
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[BSSGP_IE_LOCATION_TYPE] = { 2, "Location Type" },
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[BSSGP_IE_LOCATION_ESTIMATE] = { 1, "Location Estimate" },
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[BSSGP_IE_POSITIONING_DATA] = { 1, "Positioning Data" },
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[BSSGP_IE_DECIPHERING_KEYS] = { 15, "Deciphering Keys" },
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[BSSGP_IE_LCS_PRIORITY] = { 1, "LCS Priority" },
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[BSSGP_IE_LCS_CAUSE] = { 1, "LCS Cause" },
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[BSSGP_IE_LCS_CAPABILITY] = { 1, "LCS Capability" },
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[BSSGP_IE_RRLP_FLAGS] = { 1, "RRLP Flags" },
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[BSSGP_IE_RIM_APP_IDENTITY] = { 1, "RIM Application Identity" },
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[BSSGP_IE_RIM_SEQ_NR] = { 4, "RIM Sequence Number" },
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[BSSGP_IE_RIM_REQ_APP_CONTAINER] = { 12, "RIM-REQUEST RIM Container" },
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[BSSGP_IE_RAN_INFO_APP_CONTAINER] = { 12, "RAN-INFORMATION RIM Container" },
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[BSSGP_IE_RI_ACK_RIM_CONTAINER] = { 9, "RAN-INFORMATION-ACK RIM Container" },
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[BSSGP_IE_RI_ERROR_RIM_COINTAINER] = { 9, "RAN-INFOIRMATION-ERROR RIM Container" },
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[BSSGP_IE_RI_APP_ERROR_RIM_CONT] = { 14, "RAN-INFORMATION-APP-ERROR RIM Container" },
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[BSSGP_IE_RIM_PDU_INDICATIONS] = { 1, "RIM PDU Indications" },
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[BSSGP_IE_RIM_PROTOCOL_VERSION] = { 1, "RIM Protocol Version Number" },
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[BSSGP_IE_PFC_FLOW_CTRL_PARAMS] = { 7, "PFC FLow Control Parameters" },
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[BSSGP_IE_GLOBAL_CN_ID] = { 5, "Global CN-Id" },
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[BSSGP_IE_RIM_ROUTING_INFO] = { 1, "RIM Routing Information" },
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[BSSGP_IE_MBMS_SESSION_ID] = { 0, "MBMS Session Identity" },
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[BSSGP_IE_MBMS_SESSION_DURATION] = { 0, "MBMS Session Duration" },
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[BSSGP_IE_MBMS_SA_ID_LIST] = { 3, "MBMS Service Area Identity List" },
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[BSSGP_IE_MBMS_RESPONSE] = { 1, "MBMS Response" },
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[BSSGP_IE_MBMS_RA_LIST] = { 9, "MBMS Routing Area List" },
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[BSSGP_IE_MBMS_SESSION_INFO] = { 1, "MBMS Session Information" },
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[BSSGP_IE_TMGI] = { 6, "TMGI" },
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[BSSGP_IE_MBMS_STOP_CAUSE] = { 1, "MBM Stop Cause" },
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[BSSGP_IE_SBSS_TO_TBSS_TR_CONT] = { 7, "Source BSS to Target BSS Transparent Container" },
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[BSSGP_IE_TBSS_TO_SBSS_TR_CONT] = { 0, "Target BSS to Source BSS Transparent Container" },
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[BSSGP_IE_NAS_CONT_FOR_PS_HO] = { 0, "NAS container for PS Handover" },
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[BSSGP_IE_PFC_TO_BE_SETUP_LIST] = { 9, "PFCs to be set-up list" },
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[BSSGP_IE_LIST_OF_SETUP_PFC] = { 1, "List of set-up PFCs" },
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[BSSGP_IE_EXT_FEATURE_BITMAP] = { 1, "Extended Feature Bitmap" },
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[BSSGP_IE_SRC_TO_TGT_TR_CONT] = { 0, "Source to Target Transparent Container" },
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[BSSGP_IE_TGT_TO_SRC_TR_CONT] = { 0, "Target to Source Transparent Container" },
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[BSSGP_IE_NC_ID] = { 8, "RNC Identifier" },
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[BSSGP_IE_PAGE_MODE] = { 1, "Page Mode" },
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[BSSGP_IE_CONTAINER_ID] = { 1, "Container ID" },
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[BSSGP_IE_GLOBAL_TFI] = { 1, "Global TFI" },
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[BSSGP_IE_IMEI] = { 1, "IMEI" },
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[BSSGP_IE_TIME_TO_MBMS_DATA_XFR] = { 1, "Time to MBMS Data Transfer" },
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[BSSGP_IE_MBMS_SESSION_REP_NR] = { 1, "MBMS Session Repetition Number" },
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[BSSGP_IE_INTER_RAT_HO_INFO] = { 0, "Inter RAT Handover Info" },
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[BSSGP_IE_PS_HO_COMMAND] = { 0, "PS Handover Command" },
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[BSSGP_IE_PS_HO_INDICATIONS] = { 1, "PS Handover Indications" },
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[BSSGP_IE_SI_PSI_CONTAINER] = { 1, "SI/PSI Container" },
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[BSSGP_IE_ACTIVE_PFC_LIST] = { 2, "Active PFCs List" },
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[BSSGP_IE_VELOCITY_DATA] = { 0, "Velocity Data" },
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[BSSGP_IE_DTM_HO_COMMAND] = { 0, "DTM Handover Command" },
|
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[BSSGP_IE_CS_INDICATION] = { 1, "CS Indication" },
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[BSSGP_IE_RQD_GANNS_AST_DATA] = { 0, "Requested GANSS Assistance Data" },
|
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[BSSGP_IE_GANSS_LOCATION_TYPE] = { 1, "GANSS Location Type" },
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[BSSGP_IE_GANSS_POSITIONING_DATA] = { 0, "GANSS Positioning Data" },
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[BSSGP_IE_FLOW_CTRL_GRANULARITY] = { 1, "Flow Control Granularity" },
|
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[BSSGP_IE_ENB_ID] = { 6, "eNB Identifier" },
|
|
[BSSGP_IE_EUTRAN_IRAT_HO_INFO] = { 0, "E-UTRAN Inter RAT Handover Info" },
|
|
[BSSGP_IE_SUB_PID4RAT_FREQ_PRIO] = { 1, "Subscriber Profile ID for RAT/Frequency priority" },
|
|
[BSSGP_IE_REQ4IRAT_HO_INFO] = { 1, "Request for Inter-RAT Handover Info" },
|
|
[BSSGP_IE_RELIABLE_IRAT_HO_INFO] = { 1, "Reliable Inter-RAT Handover Info" },
|
|
[BSSGP_IE_SON_TRANSFER_APP_ID] = { 0, "SON Transfer Application Identity" },
|
|
[BSSGP_IE_CSG_ID] = { 5, "CSG Identifier" },
|
|
[BSSGP_IE_TAC] = { 3, "Tracking Area Code" },
|
|
[BSSGP_IE_REDIRECT_ATTEMPT_FLAG] = { 1, "Redirect Attempt Flag" },
|
|
[BSSGP_IE_REDIRECTION_INDICATION] = { 1, "Redirection Indication" },
|
|
[BSSGP_IE_REDIRECTION_COMPLETED] = { 1, "Redirection Completed" },
|
|
[BSSGP_IE_UNCONF_SEND_STATE_VAR] = { 2, "Unconfirmed send state variable" },
|
|
[BSSGP_IE_IRAT_MEASUREMENT_CONF] = { 10, "IRAT Measurement Configuration" },
|
|
[BSSGP_IE_SCI] = { 1, "SCI" },
|
|
[BSSGP_IE_GGSN_PGW_LOCATION] = { 1, "GGSN/P-GW Location" },
|
|
[BSSGP_IE_SELECTED_PLMN_ID] = { 3, "Selected PLMN ID" },
|
|
[BSSGP_IE_PRIO_CLASS_IND] = { 1, "Priority Class Indication" },
|
|
[BSSGP_IE_SOURCE_CELL_ID] = { 6, "Source Cell ID" },
|
|
[BSSGP_IE_IRAT_MEAS_CFG_E_EARFCN] = { 10, "IRAT Measurement Configuration (extended E-ARFCNs)" },
|
|
[BSSGP_IE_EDRX_PARAMETERS] = { 1, "eDRX Parameters" },
|
|
[BSSGP_IE_T_UNTIL_NEXT_PAGING] = { 2, "Time Until Next Paging Occasion" },
|
|
[BSSGP_IE_COVERAGE_CLASS] = { 1, "Coverage Class" },
|
|
[BSSGP_IE_PAGING_ATTEMPT_INFO] = { 1, "Paging Attempt Information" },
|
|
[BSSGP_IE_EXCEPTION_REPORT_FLAG] = { 1, "Exception Report Flag" },
|
|
[BSSGP_IE_OLD_RA_ID] = { 6, "Old Routing Area Identification" },
|
|
[BSSGP_IE_ATTACH_IND] = { 1, "Attach Indicator" },
|
|
[BSSGP_IE_PLMN_ID] = { 3, "PLMN Identity" },
|
|
[BSSGP_IE_MME_QUERY] = { 1, "MME Query" },
|
|
[BSSGP_IE_SGSN_GROUP_ID] = { 3, "SGSN Group Identity" },
|
|
[BSSGP_IE_ADDITIONAL_PTMSI] = { 4, "Additional P-TMSI" },
|
|
[BSSGP_IE_UE_USAGE_TYPE] = { 1, "UE Usage Type" },
|
|
[BSSGP_IE_MLAT_TIMER] = { 1, "Multilateration Timer" },
|
|
[BSSGP_IE_MLAT_TA] = { 2, "Multilateration Timing Advance" },
|
|
[BSSGP_IE_MS_SYNC_ACCURACY] = { 1, "MS Sync Accuracy" },
|
|
[BSSGP_IE_BTS_RX_ACCURACY_LVL] = { 1, "BTS Reception Accuracy Level" },
|
|
[BSSGP_IE_TA_REQ] = { 1, "Timing Advance Request (TAR)" },
|
|
},
|
|
};
|
|
|
|
#undef DL
|
|
#undef UL
|
|
#undef SIG
|
|
#undef PTP
|
|
#undef PTM
|
|
|
|
|
|
const char *bssgp_cause_str(enum gprs_bssgp_cause cause)
|
|
{
|
|
return get_value_string(bssgp_cause_strings, cause);
|
|
}
|
|
|
|
const char *bssgp_pdu_str(enum bssgp_pdu_type pdu)
|
|
{
|
|
return get_value_string(bssgp_pdu_strings, pdu);
|
|
}
|
|
|
|
struct msgb *bssgp_msgb_alloc(void)
|
|
{
|
|
struct msgb *msg = msgb_alloc_headroom(4096, 128, "BSSGP");
|
|
|
|
/* TODO: Add handling of msg == NULL to this function and to all callers */
|
|
OSMO_ASSERT(msg != NULL);
|
|
|
|
msgb_bssgph(msg) = msg->data;
|
|
return msg;
|
|
}
|
|
|
|
struct msgb *bssgp_msgb_copy(const struct msgb *msg, const char *name)
|
|
{
|
|
struct libgb_msgb_cb *old_cb, *new_cb;
|
|
struct msgb *new_msg;
|
|
|
|
new_msg = msgb_copy(msg, name);
|
|
if (!new_msg)
|
|
return NULL;
|
|
|
|
/* copy GB specific data */
|
|
old_cb = LIBGB_MSGB_CB(msg);
|
|
new_cb = LIBGB_MSGB_CB(new_msg);
|
|
|
|
if (old_cb->bssgph)
|
|
new_cb->bssgph = new_msg->_data + (old_cb->bssgph - msg->_data);
|
|
if (old_cb->llch)
|
|
new_cb->llch = new_msg->_data + (old_cb->llch - msg->_data);
|
|
|
|
/* bssgp_cell_id is a pointer into the old msgb, so we need to make
|
|
* it a pointer into the new msgb */
|
|
if (old_cb->bssgp_cell_id)
|
|
new_cb->bssgp_cell_id = new_msg->_data +
|
|
(old_cb->bssgp_cell_id - msg->_data);
|
|
new_cb->nsei = old_cb->nsei;
|
|
new_cb->bvci = old_cb->bvci;
|
|
new_cb->tlli = old_cb->tlli;
|
|
|
|
return new_msg;
|
|
}
|
|
|
|
/* Transmit a simple response such as BLOCK/UNBLOCK/RESET ACK/NACK */
|
|
int bssgp_tx_simple_bvci(uint8_t pdu_type, uint16_t nsei,
|
|
uint16_t bvci, uint16_t ns_bvci)
|
|
{
|
|
struct msgb *msg = bssgp_msgb_alloc();
|
|
struct bssgp_normal_hdr *bgph =
|
|
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
|
uint16_t _bvci;
|
|
|
|
msgb_nsei(msg) = nsei;
|
|
msgb_bvci(msg) = ns_bvci;
|
|
|
|
bgph->pdu_type = pdu_type;
|
|
_bvci = osmo_htons(bvci);
|
|
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci);
|
|
|
|
return bssgp_ns_send(bssgp_ns_send_data, msg);
|
|
}
|
|
|
|
/* Chapter 10.4.14: Status */
|
|
int bssgp_tx_status(uint8_t cause, uint16_t *bvci, struct msgb *orig_msg)
|
|
{
|
|
struct msgb *msg = bssgp_msgb_alloc();
|
|
struct bssgp_normal_hdr *bgph =
|
|
(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
|
|
|
|
/* GSM 08.18, 10.4.14.1: The BVCI must be included if (and only if) the
|
|
cause is either "BVCI blocked" or "BVCI unknown" */
|
|
if (cause == BSSGP_CAUSE_UNKNOWN_BVCI || cause == BSSGP_CAUSE_BVCI_BLOCKED) {
|
|
if (bvci == NULL)
|
|
LOGP(DLBSSGP, LOGL_ERROR, "BSSGP Tx STATUS, cause=%s: "
|
|
"missing conditional BVCI\n",
|
|
bssgp_cause_str(cause));
|
|
} else {
|
|
if (bvci != NULL)
|
|
LOGP(DLBSSGP, LOGL_ERROR, "BSSGP Tx STATUS, cause=%s: "
|
|
"unexpected conditional BVCI\n",
|
|
bssgp_cause_str(cause));
|
|
}
|
|
|
|
LOGP(DLBSSGP, LOGL_NOTICE, "BSSGP BVCI=%u Tx STATUS, cause=%s\n",
|
|
bvci ? *bvci : 0, bssgp_cause_str(cause));
|
|
msgb_nsei(msg) = msgb_nsei(orig_msg);
|
|
msgb_bvci(msg) = 0;
|
|
|
|
bgph->pdu_type = BSSGP_PDUT_STATUS;
|
|
msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, &cause);
|
|
if (bvci) {
|
|
uint16_t _bvci = osmo_htons(*bvci);
|
|
msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci);
|
|
}
|
|
msgb_tvlv_put(msg, BSSGP_IE_PDU_IN_ERROR,
|
|
msgb_bssgp_len(orig_msg), msgb_bssgph(orig_msg));
|
|
|
|
return bssgp_ns_send(bssgp_ns_send_data, msg);
|
|
}
|