Neels Hofmeyr | 17518fe | 2017-06-20 04:35:06 +0200 | [diff] [blame] | 1 | /*! \file gprs_bssgp_util.c |
| 2 | * GPRS BSSGP protocol implementation as per 3GPP TS 08.18. */ |
| 3 | /* |
| 4 | * (C) 2009-2017 by Harald Welte <laforge@gnumonks.org> |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
Harald Welte | e08da97 | 2017-11-13 01:00:26 +0900 | [diff] [blame] | 8 | * SPDX-License-Identifier: GPL-2.0+ |
| 9 | * |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 10 | * This program is free software; you can redistribute it and/or modify |
Harald Welte | 7fa89c2 | 2014-10-26 20:33:09 +0100 | [diff] [blame] | 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Harald Welte | 7fa89c2 | 2014-10-26 20:33:09 +0100 | [diff] [blame] | 18 | * GNU General Public License for more details. |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 19 | * |
Harald Welte | 7fa89c2 | 2014-10-26 20:33:09 +0100 | [diff] [blame] | 20 | * You should have received a copy of the GNU General Public License |
Harald Welte | e4cbb3f | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 21 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 22 | * |
| 23 | */ |
| 24 | |
| 25 | #include <errno.h> |
| 26 | #include <stdint.h> |
| 27 | |
Pablo Neira Ayuso | ff66323 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 28 | #include <osmocom/core/msgb.h> |
Harald Welte | bfe62e5 | 2017-05-15 12:48:30 +0200 | [diff] [blame] | 29 | #include <osmocom/core/byteswap.h> |
Pablo Neira Ayuso | ff66323 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 30 | #include <osmocom/gsm/tlv.h> |
| 31 | #include <osmocom/core/talloc.h> |
Harald Welte | 73952e3 | 2012-06-16 14:59:56 +0800 | [diff] [blame] | 32 | #include <osmocom/gprs/gprs_bssgp.h> |
| 33 | #include <osmocom/gprs/gprs_ns.h> |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 34 | |
Alexander Couzens | 85a8fd3 | 2020-07-18 15:57:07 +0200 | [diff] [blame] | 35 | #include "gprs_bssgp_internal.h" |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 36 | |
| 37 | struct gprs_ns_inst *bssgp_nsi; |
| 38 | |
| 39 | /* BSSGP Protocol specific, not implementation specific */ |
| 40 | /* FIXME: This needs to go into libosmocore after finished */ |
| 41 | |
| 42 | /* Chapter 11.3.9 / Table 11.10: Cause coding */ |
| 43 | static const struct value_string bssgp_cause_strings[] = { |
Max | 4aaa8ab | 2017-06-29 19:27:24 +0200 | [diff] [blame] | 44 | { BSSGP_CAUSE_PROC_OVERLOAD, "Processor overload" }, |
| 45 | { BSSGP_CAUSE_EQUIP_FAIL, "Equipment Failure" }, |
Pau Espin Pedrol | 9b90ca8 | 2020-01-03 17:45:36 +0100 | [diff] [blame] | 46 | { BSSGP_CAUSE_TRASIT_NET_FAIL, "Transit network service failure" }, |
Max | 4aaa8ab | 2017-06-29 19:27:24 +0200 | [diff] [blame] | 47 | { BSSGP_CAUSE_CAPA_GREATER_0KPBS, "Transmission capacity modified" }, |
| 48 | { BSSGP_CAUSE_UNKNOWN_MS, "Unknown MS" }, |
| 49 | { BSSGP_CAUSE_UNKNOWN_BVCI, "Unknown BVCI" }, |
| 50 | { BSSGP_CAUSE_CELL_TRAF_CONG, "Cell traffic congestion" }, |
| 51 | { BSSGP_CAUSE_SGSN_CONG, "SGSN congestion" }, |
| 52 | { BSSGP_CAUSE_OML_INTERV, "O&M intervention" }, |
| 53 | { BSSGP_CAUSE_BVCI_BLOCKED, "BVCI blocked" }, |
| 54 | { BSSGP_CAUSE_PFC_CREATE_FAIL, "PFC create failure" }, |
| 55 | { BSSGP_CAUSE_PFC_PREEMPTED, "PFC preempted" }, |
| 56 | { BSSGP_CAUSE_ABQP_NOT_SUPP, "ABQP no more supported" }, |
| 57 | { BSSGP_CAUSE_SEM_INCORR_PDU, "Semantically incorrect PDU" }, |
| 58 | { BSSGP_CAUSE_INV_MAND_INF, "Invalid mandatory information" }, |
| 59 | { BSSGP_CAUSE_MISSING_MAND_IE, "Missing mandatory IE" }, |
| 60 | { BSSGP_CAUSE_MISSING_COND_IE, "Missing conditional IE" }, |
| 61 | { BSSGP_CAUSE_UNEXP_COND_IE, "Unexpected conditional IE" }, |
| 62 | { BSSGP_CAUSE_COND_IE_ERR, "Conditional IE error" }, |
| 63 | { BSSGP_CAUSE_PDU_INCOMP_STATE, "PDU incompatible with protocol state" }, |
| 64 | { BSSGP_CAUSE_PROTO_ERR_UNSPEC, "Protocol error - unspecified" }, |
| 65 | { BSSGP_CAUSE_PDU_INCOMP_FEAT, "PDU not compatible with feature set" }, |
| 66 | { BSSGP_CAUSE_REQ_INFO_NOT_AVAIL, "Requested Information not available" }, |
| 67 | { BSSGP_CAUSE_UNKN_DST , "Unknown Destination address" }, |
| 68 | { BSSGP_CAUSE_UNKN_RIM_AI, "Unknown RIM Application Identity or RIM application disabled" }, |
| 69 | { BSSGP_CAUSE_INVAL_CONT_UI, "Invalid Container Unit Information" }, |
| 70 | { BSSGP_CAUSE_PFC_QUEUE, "PFC queuing" }, |
| 71 | { BSSGP_CAUSE_PFC_CREATED, "PFC created successfully" }, |
| 72 | { BSSGP_CAUSE_T12_EXPIRY, "T12 expiry" }, |
| 73 | { BSSGP_CAUSE_MS_UNDER_PS_HO, "MS under PS Handover treatment" }, |
| 74 | { BSSGP_CAUSE_UL_QUALITY, "Uplink quality" }, |
| 75 | { BSSGP_CAUSE_UL_STRENGTH, "Uplink strength" }, |
| 76 | { BSSGP_CAUSE_DL_QUALITY, "Downlink quality" }, |
| 77 | { BSSGP_CAUSE_DL_STRENGTH, "Downlink strength" }, |
| 78 | { BSSGP_CAUSE_DISTANCE, "Distance" }, |
| 79 | { BSSGP_CAUSE_BETTER_CELL, "Better cell" }, |
| 80 | { BSSGP_CAUSE_TRAFFIC, "Traffic" }, |
| 81 | { BSSGP_CAUSE_MS_RADIO_LOSS, "Radio contact lost with MS" }, |
| 82 | { BSSGP_CAUSE_MS_BACK_OLD_CHAN, "MS back on old channel" }, |
| 83 | { BSSGP_CAUSE_T13_EXPIRY, "T13 expiry" }, |
| 84 | { BSSGP_CAUSE_T14_EXPIRY, "T14 expiry" }, |
| 85 | { BSSGP_CAUSE_NOT_ALL_PFC, "Not all requested PFCs created" }, |
| 86 | { BSSGP_CAUSE_CS, "CS cause" }, |
| 87 | { BSSGP_CAUSE_REQ_ALG_NOT_SUPP, "Requested ciphering and/or integrity protection algorithms not supported" }, |
| 88 | { BSSGP_CAUSE_RELOC_FAIL, "Relocation failure in target system" }, |
| 89 | { BSSGP_CAUSE_DIR_RETRY , "Directed Retry" }, |
| 90 | { BSSGP_CAUSE_TIME_CRIT_RELOC , "Time critical relocation" }, |
| 91 | { BSSGP_CAUSE_PS_HO_TARG_NA , "PS Handover Target not allowed" }, |
| 92 | { BSSGP_CAUSE_PS_HO_TARG_NOT_SUPP, "PS Handover not Supported in Target BSS or Target System" }, |
| 93 | { BSSGP_CAUSE_PUESBINE, "Incoming relocation not supported due to PUESBINE feature" }, |
| 94 | { BSSGP_CAUSE_DTM_HO_NO_CS_RES, "DTM Handover - No CS resource" }, |
| 95 | { BSSGP_CAUSE_DTM_HO_PS_ALLOC_FAIL, "DTM Handover - PS Allocation failure" }, |
| 96 | { BSSGP_CAUSE_DTM_HO_T24_EXPIRY, "DTM Handover - T24 expiry" }, |
| 97 | { BSSGP_CAUSE_DTM_HO_INVAL_CS_IND, "DTM Handover - Invalid CS Indication IE" }, |
| 98 | { BSSGP_CAUSE_DTM_HO_T23_EXPIRY, "DTM Handover - T23 expiry" }, |
| 99 | { BSSGP_CAUSE_DTM_HO_MSC_ERR, "DTM Handover - MSC Error" }, |
| 100 | { BSSGP_CAUSE_INVAL_CSG_CELL, "Invalid CSG cell" }, |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 101 | { 0, NULL }, |
| 102 | }; |
| 103 | |
Max | c0d9a6c | 2016-03-09 12:29:23 +0100 | [diff] [blame] | 104 | static const struct value_string bssgp_pdu_strings[] = { |
| 105 | { BSSGP_PDUT_DL_UNITDATA, "DL-UNITDATA" }, |
| 106 | { BSSGP_PDUT_UL_UNITDATA, "UL-UNITDATA" }, |
| 107 | { BSSGP_PDUT_RA_CAPABILITY, "RA-CAPABILITY" }, |
| 108 | { BSSGP_PDUT_PTM_UNITDATA, "PTM-UNITDATA" }, |
Harald Welte | 61e9de8 | 2020-12-04 12:54:40 +0100 | [diff] [blame] | 109 | { BSSGP_PDUT_DL_MMBS_UNITDATA, "DL-MBMS-UNITDATA" }, |
| 110 | { BSSGP_PDUT_UL_MMBS_UNITDATA, "UL-MBMS-UNITDATA" }, |
Max | c0d9a6c | 2016-03-09 12:29:23 +0100 | [diff] [blame] | 111 | { BSSGP_PDUT_PAGING_PS, "PAGING-PS" }, |
| 112 | { BSSGP_PDUT_PAGING_CS, "PAGING-CS" }, |
| 113 | { BSSGP_PDUT_RA_CAPA_UDPATE, "RA-CAPABILITY-UPDATE" }, |
| 114 | { BSSGP_PDUT_RA_CAPA_UPDATE_ACK, "RA-CAPABILITY-UPDATE-ACK" }, |
| 115 | { BSSGP_PDUT_RADIO_STATUS, "RADIO-STATUS" }, |
| 116 | { BSSGP_PDUT_SUSPEND, "SUSPEND" }, |
| 117 | { BSSGP_PDUT_SUSPEND_ACK, "SUSPEND-ACK" }, |
| 118 | { BSSGP_PDUT_SUSPEND_NACK, "SUSPEND-NACK" }, |
| 119 | { BSSGP_PDUT_RESUME, "RESUME" }, |
| 120 | { BSSGP_PDUT_RESUME_ACK, "RESUME-ACK" }, |
| 121 | { BSSGP_PDUT_RESUME_NACK, "RESUME-NACK" }, |
Harald Welte | 61e9de8 | 2020-12-04 12:54:40 +0100 | [diff] [blame] | 122 | { BSSGP_PDUT_DUMMY_PAGING_PS, "DUMMY-PAGING-PS" }, |
| 123 | { BSSGP_PDUT_DUMMY_PAGING_PS_RESP, "DUMMY-PAGING-PS-RESP" }, |
| 124 | { BSSGP_PDUT_MS_REGISTR_ENQ, "MS-REGISTRATION-ENQ" }, |
| 125 | { BSSGP_PDUT_MS_REGISTR_ENQ_RESP, "MS-REGISTRATION-ENQ-RESP" }, |
Max | c0d9a6c | 2016-03-09 12:29:23 +0100 | [diff] [blame] | 126 | { BSSGP_PDUT_BVC_BLOCK, "BVC-BLOCK" }, |
| 127 | { BSSGP_PDUT_BVC_BLOCK_ACK, "BVC-BLOCK-ACK" }, |
| 128 | { BSSGP_PDUT_BVC_RESET, "BVC-RESET" }, |
| 129 | { BSSGP_PDUT_BVC_RESET_ACK, "BVC-RESET-ACK" }, |
| 130 | { BSSGP_PDUT_BVC_UNBLOCK, "BVC-UNBLOCK" }, |
| 131 | { BSSGP_PDUT_BVC_UNBLOCK_ACK, "BVC-UNBLOCK-ACK" }, |
| 132 | { BSSGP_PDUT_FLOW_CONTROL_BVC, "FLOW-CONTROL-BVC" }, |
| 133 | { BSSGP_PDUT_FLOW_CONTROL_BVC_ACK, "FLOW-CONTROL-BVC-ACK" }, |
| 134 | { BSSGP_PDUT_FLOW_CONTROL_MS, "FLOW-CONTROL-MS" }, |
| 135 | { BSSGP_PDUT_FLOW_CONTROL_MS_ACK, "FLOW-CONTROL-MS-ACK" }, |
| 136 | { BSSGP_PDUT_FLUSH_LL, "FLUSH-LL" }, |
| 137 | { BSSGP_PDUT_FLUSH_LL_ACK, "FLUSH-LL-ACK" }, |
| 138 | { BSSGP_PDUT_LLC_DISCARD, "LLC DISCARDED" }, |
Harald Welte | 61e9de8 | 2020-12-04 12:54:40 +0100 | [diff] [blame] | 139 | { BSSGP_PDUT_FLOW_CONTROL_PFC, "FLOW-CONTROL-PFC" }, |
| 140 | { BSSGP_PDUT_FLOW_CONTROL_PFC_ACK, "FLOW-CONTROL-PFC-ACK" }, |
Max | c0d9a6c | 2016-03-09 12:29:23 +0100 | [diff] [blame] | 141 | { BSSGP_PDUT_SGSN_INVOKE_TRACE, "SGSN-INVOKE-TRACE" }, |
| 142 | { BSSGP_PDUT_STATUS, "STATUS" }, |
Harald Welte | 61e9de8 | 2020-12-04 12:54:40 +0100 | [diff] [blame] | 143 | { BSSGP_PDUT_OVERLOAD, "OVERLOAD" }, |
Max | c0d9a6c | 2016-03-09 12:29:23 +0100 | [diff] [blame] | 144 | { BSSGP_PDUT_DOWNLOAD_BSS_PFC, "DOWNLOAD-BSS-PFC" }, |
| 145 | { BSSGP_PDUT_CREATE_BSS_PFC, "CREATE-BSS-PFC" }, |
| 146 | { BSSGP_PDUT_CREATE_BSS_PFC_ACK, "CREATE-BSS-PFC-ACK" }, |
| 147 | { BSSGP_PDUT_CREATE_BSS_PFC_NACK, "CREATE-BSS-PFC-NACK" }, |
| 148 | { BSSGP_PDUT_MODIFY_BSS_PFC, "MODIFY-BSS-PFC" }, |
| 149 | { BSSGP_PDUT_MODIFY_BSS_PFC_ACK, "MODIFY-BSS-PFC-ACK" }, |
| 150 | { BSSGP_PDUT_DELETE_BSS_PFC, "DELETE-BSS-PFC" }, |
| 151 | { BSSGP_PDUT_DELETE_BSS_PFC_ACK, "DELETE-BSS-PFC-ACK" }, |
Harald Welte | 61e9de8 | 2020-12-04 12:54:40 +0100 | [diff] [blame] | 152 | { BSSGP_PDUT_DELETE_BSS_PFC_REQ, "DELETE-BSS-PFC-REQ" }, |
| 153 | { BSSGP_PDUT_PS_HO_REQUIRED, "PS-HO-REQUIRED" }, |
| 154 | { BSSGP_PDUT_PS_HO_REQUIRED_ACK, "PS-HO-REQUIRED-ACK" }, |
| 155 | { BSSGP_PDUT_PS_HO_REQUIRED_NACK, "PS-HO-REQUIRED-NACK" }, |
| 156 | { BSSGP_PDUT_PS_HO_REQUEST, "PS-HO-REQUEST" }, |
| 157 | { BSSGP_PDUT_PS_HO_REQUEST_ACK, "PS-HO-REQUEST-ACK" }, |
| 158 | { BSSGP_PDUT_PS_HO_REQUEST_NACK, "PS-HO-REQUEST-NACK" }, |
| 159 | { BSSGP_PDUT_PS_HO_COMPLETE, "PS-HO-COMPLETE" }, |
| 160 | { BSSGP_PDUT_PS_HO_CANCEL, "PS-HO-CANCEL" }, |
| 161 | { BSSGP_PDUT_PS_HO_COMPLETE_ACK, "PS-HO-COMPLETE-ACK" }, |
Philipp Maier | b73a3de | 2020-12-07 20:53:26 +0100 | [diff] [blame] | 162 | { BSSGP_PDUT_PERFORM_LOC_REQ, "PERFORM-LOC-REQ" }, |
| 163 | { BSSGP_PDUT_PERFORM_LOC_RESP, "PERFORM-LOC-RESP" }, |
| 164 | { BSSGP_PDUT_PERFORM_LOC_ABORT, "PERFORM-LOC-ABORT" }, |
| 165 | { BSSGP_PDUT_POSITION_COMMAND, "POSITION-COMMAND" }, |
| 166 | { BSSGP_PDUT_POSITION_RESPONSE, "POSITION-RESPONSE" }, |
| 167 | { BSSGP_PDUT_RAN_INFO, "RAN-INFO" }, |
| 168 | { BSSGP_PDUT_RAN_INFO_REQ, "RAN-INFO-REQ" }, |
| 169 | { BSSGP_PDUT_RAN_INFO_ACK, "RAN-INFO-ACK" }, |
| 170 | { BSSGP_PDUT_RAN_INFO_ERROR, "RAN-INFO-ERROR" }, |
| 171 | { BSSGP_PDUT_RAN_INFO_APP_ERROR, "RAN-INFO-APP-ERROR" }, |
| 172 | { BSSGP_PDUT_MBMS_START_REQ, "MBMS-START-REQ" }, |
| 173 | { BSSGP_PDUT_MBMS_START_RESP, "MBMS-START-RESP" }, |
| 174 | { BSSGP_PDUT_MBMS_STOP_REQ, "MBMS-STOP-REQ" }, |
| 175 | { BSSGP_PDUT_MBMS_STOP_RESP, "MBMS-STOP-RESP" }, |
| 176 | { BSSGP_PDUT_MBMS_UPDATE_REQ, "MBMS-UPDATE-REQ" }, |
| 177 | { BSSGP_PDUT_MBMS_UPDATE_RESP, "MBMS-UPDATE-RESP" }, |
Max | c0d9a6c | 2016-03-09 12:29:23 +0100 | [diff] [blame] | 178 | { 0, NULL }, |
| 179 | }; |
| 180 | |
Harald Welte | 8f82528 | 2020-12-04 18:50:11 +0100 | [diff] [blame] | 181 | static const uint8_t dl_ud_ies[] = { BSSGP_IE_PDU_LIFETIME }; |
| 182 | static const uint8_t ul_ud_ies[] = { BSSGP_IE_CELL_ID }; |
| 183 | static const uint8_t ra_cap_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_MS_RADIO_ACCESS_CAP }; |
| 184 | static const uint8_t dl_mb_ud_ies[] = { BSSGP_IE_PDU_LIFETIME, BSSGP_IE_TMGI, BSSGP_IE_LLC_PDU }; |
| 185 | static const uint8_t ul_mb_ud_ies[] = { BSSGP_IE_PDU_LIFETIME, BSSGP_IE_TMGI, BSSGP_IE_LLC_PDU }; |
| 186 | static const uint8_t pag_ps_ies[] = { BSSGP_IE_IMSI, BSSGP_IE_QOS_PROFILE }; |
| 187 | static const uint8_t pag_cs_ies[] = { BSSGP_IE_IMSI, BSSGP_IE_DRX_PARAMS }; |
| 188 | static const uint8_t ra_cap_upd_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG }; |
| 189 | static const uint8_t ra_cap_upd_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG, BSSGP_IE_RA_CAP_UPD_CAUSE }; |
| 190 | static const uint8_t rad_sts_ies[] = { BSSGP_IE_RADIO_CAUSE }; |
| 191 | static const uint8_t suspend_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA }; |
| 192 | static const uint8_t suspend_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA, BSSGP_IE_SUSPEND_REF_NR }; |
Daniel Willmann | fbb78a7 | 2021-01-05 15:23:46 +0100 | [diff] [blame] | 193 | static const uint8_t suspend_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA }; |
Harald Welte | 8f82528 | 2020-12-04 18:50:11 +0100 | [diff] [blame] | 194 | static const uint8_t resume_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA, BSSGP_IE_SUSPEND_REF_NR }; |
| 195 | static const uint8_t resume_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA }; |
| 196 | static const uint8_t resume_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_ROUTEING_AREA }; |
| 197 | static const uint8_t d_pag_ps_ies[] = { BSSGP_IE_IMSI }; |
| 198 | static const uint8_t d_pag_ps_resp_ies[] = { BSSGP_IE_IMSI, BSSGP_IE_T_UNTIL_NEXT_PAGING }; |
| 199 | static const uint8_t d_pag_ps_rej_ies[] = { BSSGP_IE_IMSI, BSSGP_IE_T_UNTIL_NEXT_PAGING }; |
| 200 | static const uint8_t ms_reg_enq_ies[] = { BSSGP_IE_IMSI }; |
| 201 | static const uint8_t ms_reg_enq_res_ies[] = { BSSGP_IE_IMSI }; |
| 202 | static const uint8_t flush_ll_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_BVCI }; |
| 203 | static const uint8_t flush_ll_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_FLUSH_ACTION }; |
| 204 | static const uint8_t llc_disc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_LLC_FRAMES_DISCARDED, BSSGP_IE_BVCI, |
| 205 | BSSGP_IE_NUM_OCT_AFF }; |
| 206 | static const uint8_t fc_bvc_ies[] = { BSSGP_IE_TAG, BSSGP_IE_BVC_BUCKET_SIZE, BSSGP_IE_BUCKET_LEAK_RATE, |
| 207 | BSSGP_IE_BMAX_DEFAULT_MS, BSSGP_IE_R_DEFAULT_MS }; |
| 208 | static const uint8_t fc_bvc_ack_ies[] = { BSSGP_IE_TAG }; |
| 209 | static const uint8_t fc_ms_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG, BSSGP_IE_MS_BUCKET_SIZE, |
| 210 | BSSGP_IE_BUCKET_LEAK_RATE }; |
| 211 | static const uint8_t fc_ms_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG }; |
| 212 | static const uint8_t block_ies[] = { BSSGP_IE_BVCI, BSSGP_IE_CAUSE }; |
| 213 | static const uint8_t block_ack_ies[] = { BSSGP_IE_BVCI }; |
| 214 | static const uint8_t unblock_ies[] = { BSSGP_IE_BVCI }; |
| 215 | static const uint8_t unblock_ack_ies[] = { BSSGP_IE_BVCI }; |
| 216 | static const uint8_t reset_ies[] = { BSSGP_IE_BVCI, BSSGP_IE_CAUSE }; |
| 217 | static const uint8_t reset_ack_ies[] = { BSSGP_IE_BVCI }; |
| 218 | static const uint8_t status_ies[] = { BSSGP_IE_CAUSE }; |
| 219 | static const uint8_t inv_trc_ies[] = { BSSGP_IE_TRACE_TYPE, BSSGP_IE_TRACE_REFERENC }; |
| 220 | static const uint8_t dl_bss_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID }; |
| 221 | static const uint8_t crt_bss_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID, |
| 222 | BSSGP_IE_PACKET_FLOW_TIMER, BSSGP_IE_AGG_BSS_QOS_PROFILE }; |
| 223 | static const uint8_t crt_bss_pfc_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID, |
| 224 | BSSGP_IE_AGG_BSS_QOS_PROFILE }; |
| 225 | static const uint8_t crt_bss_pfc_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID, BSSGP_IE_CAUSE }; |
| 226 | static const uint8_t mod_bss_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID, |
| 227 | BSSGP_IE_AGG_BSS_QOS_PROFILE }; |
| 228 | static const uint8_t mod_bss_pfc_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID, |
| 229 | BSSGP_IE_PACKET_FLOW_TIMER, BSSGP_IE_AGG_BSS_QOS_PROFILE }; |
| 230 | static const uint8_t del_bss_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID }; |
| 231 | static const uint8_t del_bss_pfc_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID }; |
| 232 | static const uint8_t fc_pfc_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG, BSSGP_IE_PFC_FLOW_CTRL_PARAMS }; |
| 233 | static const uint8_t fc_pfc_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_TAG }; |
| 234 | static const uint8_t del_bss_pfc_req_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_PACKET_FLOW_ID, BSSGP_IE_CAUSE }; |
| 235 | static const uint8_t ps_ho_required_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_CAUSE, BSSGP_IE_CELL_ID, |
| 236 | BSSGP_IE_ACTIVE_PFC_LIST }; |
| 237 | static const uint8_t ps_ho_required_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_LIST_OF_SETUP_PFC }; |
| 238 | static const uint8_t ps_ho_required_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_CAUSE }; |
| 239 | static const uint8_t ps_ho_request_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_IMSI, BSSGP_IE_CAUSE, |
| 240 | BSSGP_IE_CELL_ID, BSSGP_IE_SBSS_TO_TBSS_TR_CONT, |
| 241 | BSSGP_IE_PFC_TO_BE_SETUP_LIST }; |
| 242 | static const uint8_t ps_ho_request_ack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_LIST_OF_SETUP_PFC, |
| 243 | BSSGP_IE_TBSS_TO_SBSS_TR_CONT }; |
| 244 | static const uint8_t ps_ho_request_nack_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_CAUSE }; |
| 245 | static const uint8_t ps_ho_compl_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_IMSI }; |
| 246 | static const uint8_t ps_ho_cancel_ies[] = { BSSGP_IE_TLLI, BSSGP_IE_CAUSE, BSSGP_IE_CELL_ID }; |
| 247 | static const uint8_t ps_ho_compl_ack_ies[] = { BSSGP_IE_TLLI }; |
| 248 | static const uint8_t overload_ies[] = { BSSGP_IE_PRIO_CLASS_IND }; |
| 249 | static const uint8_t rinfo_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_RIM_CONTAINER }; |
| 250 | static const uint8_t rinfo_req_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_REQ_RIM_CONTAINER }; |
| 251 | static const uint8_t rinfo_ack_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_ACK_RIM_CONTAINER }; |
| 252 | static const uint8_t rinfo_err_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_ERROR_RIM_COINTAINER }; |
| 253 | static const uint8_t rinfo_aerr_ies[] = { BSSGP_IE_RIM_ROUTING_INFO, BSSGP_IE_RI_APP_ERROR_RIM_CONT }; |
| 254 | |
| 255 | #define DL BSSGP_PDUF_DL |
| 256 | #define UL BSSGP_PDUF_UL |
| 257 | #define SIG BSSGP_PDUF_SIG |
| 258 | #define PTP BSSGP_PDUF_PTP |
| 259 | #define PTM BSSGP_PDUF_PTM |
| 260 | |
| 261 | const struct osmo_tlv_prot_def osmo_pdef_bssgp = { |
| 262 | .name = "BSSGP", |
| 263 | .tlv_def = &tvlv_att_def, |
| 264 | .msg_def = { |
| 265 | [BSSGP_PDUT_DL_UNITDATA] = MSG_DEF("DL-UNITDATA", dl_ud_ies, DL|PTP), |
| 266 | [BSSGP_PDUT_UL_UNITDATA] = MSG_DEF("UL-UNITDATA", ul_ud_ies, UL|PTP), |
| 267 | [BSSGP_PDUT_RA_CAPABILITY] = MSG_DEF("RA-CAPABILITY", ra_cap_ies, DL|PTP), |
| 268 | [BSSGP_PDUT_DL_MMBS_UNITDATA] = MSG_DEF("DL-MBMS-UNITDATA", dl_mb_ud_ies, DL|PTM), |
| 269 | [BSSGP_PDUT_UL_MMBS_UNITDATA] = MSG_DEF("UL-MBMS-UNITDATA", ul_mb_ud_ies, UL|PTM), |
| 270 | [BSSGP_PDUT_PAGING_PS] = MSG_DEF("PAGING-PS", pag_ps_ies, DL|PTP|SIG), |
| 271 | [BSSGP_PDUT_PAGING_CS] = MSG_DEF("PAGING-CS", pag_cs_ies, DL|PTP|SIG), |
| 272 | [BSSGP_PDUT_RA_CAPA_UDPATE] = MSG_DEF("RA-CAPABILITY-UPDATE", ra_cap_upd_ies, UL|PTP), |
| 273 | [BSSGP_PDUT_RA_CAPA_UPDATE_ACK] = MSG_DEF("RA-CAPABILITY-UPDATE-ACK", ra_cap_upd_ack_ies, DL|PTP), |
| 274 | [BSSGP_PDUT_RADIO_STATUS] = MSG_DEF("RADIO-STATUS", rad_sts_ies, UL|PTP), |
| 275 | [BSSGP_PDUT_SUSPEND] = MSG_DEF("SUSPEND", suspend_ies, UL|SIG), |
| 276 | [BSSGP_PDUT_SUSPEND_ACK] = MSG_DEF("SUSPEND-ACK", suspend_ack_ies, DL|SIG), |
Daniel Willmann | fbb78a7 | 2021-01-05 15:23:46 +0100 | [diff] [blame] | 277 | [BSSGP_PDUT_SUSPEND_NACK] = MSG_DEF("SUSPEND-NACK", suspend_nack_ies, DL|SIG), |
Harald Welte | 8f82528 | 2020-12-04 18:50:11 +0100 | [diff] [blame] | 278 | [BSSGP_PDUT_RESUME] = MSG_DEF("RESUME", resume_ies, UL|SIG), |
| 279 | [BSSGP_PDUT_RESUME_ACK] = MSG_DEF("RESUME-ACK", resume_ack_ies, DL|SIG), |
| 280 | [BSSGP_PDUT_RESUME_NACK] = MSG_DEF("RESUME-NACK", resume_nack_ies, DL|SIG), |
| 281 | [BSSGP_PDUT_DUMMY_PAGING_PS] = MSG_DEF("DUMMY-PAGING-PS", d_pag_ps_ies, DL|SIG|PTP), |
| 282 | [BSSGP_PDUT_DUMMY_PAGING_PS_RESP] = MSG_DEF("DUMMY-PAGING-PS-RESP", d_pag_ps_resp_ies, UL|SIG|PTP), |
| 283 | [BSSGP_PDUT_PAGING_PS_REJECT] = MSG_DEF("PAGING-PS-REJ", d_pag_ps_rej_ies, UL|SIG|PTP), |
| 284 | [BSSGP_PDUT_MS_REGISTR_ENQ] = MSG_DEF("MS-REGISRATION-ENQ", ms_reg_enq_ies, UL|SIG), |
| 285 | [BSSGP_PDUT_MS_REGISTR_ENQ_RESP] = MSG_DEF("MS-REGISRATION-ENQ-RESP", ms_reg_enq_res_ies, DL|SIG), |
| 286 | [BSSGP_PDUT_FLUSH_LL] = MSG_DEF("FLUSH-LL", flush_ll_ies, DL|SIG), |
| 287 | [BSSGP_PDUT_FLUSH_LL_ACK] = MSG_DEF("FLUSH-LL-ACK", flush_ll_ack_ies, UL|SIG), |
| 288 | [BSSGP_PDUT_LLC_DISCARD] = MSG_DEF("LLC-DISCARDED", llc_disc_ies, UL|SIG), |
| 289 | [BSSGP_PDUT_FLOW_CONTROL_BVC] = MSG_DEF("FC-BVC", fc_bvc_ies, UL|PTP), |
| 290 | [BSSGP_PDUT_FLOW_CONTROL_BVC_ACK] = MSG_DEF("FC-BVC-ACK", fc_bvc_ack_ies, DL|PTP), |
| 291 | [BSSGP_PDUT_FLOW_CONTROL_MS] = MSG_DEF("FC-MS", fc_ms_ies, UL|PTP), |
| 292 | [BSSGP_PDUT_FLOW_CONTROL_MS_ACK] = MSG_DEF("FC-MS-ACK", fc_ms_ack_ies, DL|PTP), |
| 293 | [BSSGP_PDUT_BVC_BLOCK] = MSG_DEF("BVC-BLOCK", block_ies, UL|SIG), |
| 294 | [BSSGP_PDUT_BVC_BLOCK_ACK] = MSG_DEF("BVC-BLOCK-ACK", block_ack_ies, DL|SIG), |
| 295 | [BSSGP_PDUT_BVC_UNBLOCK] = MSG_DEF("BVC-UNBLOCK", unblock_ies, UL|SIG), |
| 296 | [BSSGP_PDUT_BVC_UNBLOCK_ACK] = MSG_DEF("BVC-UNBLOCK-ACK", unblock_ack_ies, DL|SIG), |
| 297 | [BSSGP_PDUT_BVC_RESET] = MSG_DEF("BVC-RESET", reset_ies, UL|DL|SIG|PTP), |
| 298 | [BSSGP_PDUT_BVC_RESET_ACK] = MSG_DEF("BVC-RESET-ACK", reset_ack_ies, UL|DL|SIG|PTP), |
| 299 | [BSSGP_PDUT_STATUS] = MSG_DEF("STATUS", status_ies, UL|DL|PTP|SIG|PTM), |
| 300 | [BSSGP_PDUT_SGSN_INVOKE_TRACE] = MSG_DEF("SGSN-INVOKE-TRACE", inv_trc_ies, DL|SIG), |
| 301 | [BSSGP_PDUT_DOWNLOAD_BSS_PFC] = MSG_DEF("DOWNLOAD-BSS-PFC", dl_bss_pfc_ies, UL|PTP), |
| 302 | [BSSGP_PDUT_CREATE_BSS_PFC] = MSG_DEF("CREATE-BSS-PFC", crt_bss_pfc_ies, DL|PTP), |
| 303 | [BSSGP_PDUT_CREATE_BSS_PFC_ACK] = MSG_DEF("CREATE-BSS-PFC-ACK", crt_bss_pfc_ack_ies, UL|PTP), |
| 304 | [BSSGP_PDUT_CREATE_BSS_PFC_NACK] = MSG_DEF("CREATE-BSS-PFC-NACK", crt_bss_pfc_nack_ies, UL|PTP), |
| 305 | [BSSGP_PDUT_MODIFY_BSS_PFC] = MSG_DEF("MODIFY-BSS-PFC", mod_bss_pfc_ies, DL|PTP), |
| 306 | [BSSGP_PDUT_MODIFY_BSS_PFC_ACK] = MSG_DEF("MODIFY-BSS-PFC-ACK", mod_bss_pfc_ack_ies, UL|PTP), |
| 307 | [BSSGP_PDUT_DELETE_BSS_PFC] = MSG_DEF("DELETE-BSS-PFC", del_bss_pfc_ies, DL|PTP), |
| 308 | [BSSGP_PDUT_DELETE_BSS_PFC_ACK] = MSG_DEF("DELETE-BSS-PFC-ACK", del_bss_pfc_ack_ies, UL|PTP), |
| 309 | [BSSGP_PDUT_FLOW_CONTROL_PFC] = MSG_DEF("FC-PFC", fc_pfc_ies, UL|PTP), |
| 310 | [BSSGP_PDUT_FLOW_CONTROL_PFC_ACK] = MSG_DEF("FC-PFC-ACK", fc_pfc_ack_ies, DL|PTP), |
| 311 | [BSSGP_PDUT_DELETE_BSS_PFC_REQ] = MSG_DEF("DELETE-BSS-PFC-REQ", del_bss_pfc_req_ies, UL|PTP), |
| 312 | [BSSGP_PDUT_PS_HO_REQUIRED] = MSG_DEF("PS-HO-REQUIRED", ps_ho_required_ies, UL|PTP), |
| 313 | [BSSGP_PDUT_PS_HO_REQUIRED_ACK] = MSG_DEF("PS-HO-REQUIRED-ACK", ps_ho_required_ack_ies, DL|PTP), |
| 314 | [BSSGP_PDUT_PS_HO_REQUIRED_NACK] = MSG_DEF("PS-HO-REQUIRED-NACK", ps_ho_required_nack_ies, DL|PTP), |
| 315 | [BSSGP_PDUT_PS_HO_REQUEST] = MSG_DEF("PS-HO-REQUEST", ps_ho_request_ies, DL|PTP), |
| 316 | [BSSGP_PDUT_PS_HO_REQUEST_ACK] = MSG_DEF("PS-HO-REQUEST-ACK", ps_ho_request_ack_ies, UL|PTP), |
| 317 | [BSSGP_PDUT_PS_HO_REQUEST_NACK] = MSG_DEF("PS-HO-REQUEST-NACK", ps_ho_request_nack_ies, UL|PTP), |
| 318 | [BSSGP_PDUT_PS_HO_COMPLETE] = MSG_DEF("PS-HO-COMPLETE", ps_ho_compl_ies, UL|PTP), |
| 319 | [BSSGP_PDUT_PS_HO_CANCEL] = MSG_DEF("PS-HO-CANCEL", ps_ho_cancel_ies, UL|PTP), |
| 320 | [BSSGP_PDUT_PS_HO_COMPLETE_ACK] = MSG_DEF("PS-HO-COMPLETE-ACK", ps_ho_compl_ack_ies, DL|PTP), |
| 321 | [BSSGP_PDUT_OVERLOAD] = MSG_DEF("OVERLOAD", overload_ies, DL|SIG), |
| 322 | /* TODO: Messages on LCS SAP */ |
| 323 | /* Messages on RIM SAP */ |
| 324 | [BSSGP_PDUT_RAN_INFO] = MSG_DEF("RAN-INFORMATION", rinfo_ies, DL|UL|SIG), |
| 325 | [BSSGP_PDUT_RAN_INFO_REQ] = MSG_DEF("RAN-INFORMATION-REQUEST", rinfo_req_ies, DL|UL|SIG), |
| 326 | [BSSGP_PDUT_RAN_INFO_ACK] = MSG_DEF("RAN-INFORMATION-ACK", rinfo_ack_ies, DL|UL|SIG), |
| 327 | [BSSGP_PDUT_RAN_INFO_ERROR] = MSG_DEF("RAN-INFORMATION-ERROR", rinfo_err_ies, DL|UL|SIG), |
| 328 | [BSSGP_PDUT_RAN_INFO_APP_ERROR] = MSG_DEF("RAN-INFORMATION-APP-ERROR", rinfo_aerr_ies, DL|UL|SIG), |
| 329 | /* TODO: Messages on MBMS SAP */ |
| 330 | }, |
| 331 | .ie_def = { |
| 332 | [BSSGP_IE_ALIGNMENT] = { 0, "Alignment Octets" }, |
| 333 | [BSSGP_IE_BMAX_DEFAULT_MS] = { 2, "Bmax default MS" }, |
| 334 | [BSSGP_IE_BSS_AREA_ID] = { 1, "BSS Area Indication" }, |
| 335 | [BSSGP_IE_BUCKET_LEAK_RATE] = { 2, "Bucket Leak Rate (R)" }, |
| 336 | [BSSGP_IE_BVC_BUCKET_SIZE] = { 2, "BVC Bucket Size" }, |
| 337 | [BSSGP_IE_BVCI] = { 2, "BVCI" }, |
| 338 | [BSSGP_IE_BVC_MEASUREMENT] = {2, "BVC Measurement" }, |
| 339 | [BSSGP_IE_CAUSE] = { 1, "Cause" }, |
| 340 | [BSSGP_IE_CELL_ID] = { 8, "Cell Identifier" }, |
| 341 | [BSSGP_IE_CHAN_NEEDED] = { 1, "Channel Needed" }, |
| 342 | [BSSGP_IE_DRX_PARAMS] = { 2, "DRX Parameters" }, |
| 343 | [BSSGP_IE_EMLPP_PRIO] = { 3, "eMLPP Priority" }, |
| 344 | [BSSGP_IE_FLUSH_ACTION] = { 1, "Flush Action" }, |
| 345 | [BSSGP_IE_IMSI] = { 1, "Mobile Identity" }, |
| 346 | [BSSGP_IE_LLC_PDU] = { 0, "LLC-PDU" }, |
| 347 | [BSSGP_IE_LLC_FRAMES_DISCARDED] = { 1, "LLC Frames Discarded" }, |
| 348 | [BSSGP_IE_LOCATION_AREA] = { 5, "Location Area" }, |
| 349 | [BSSGP_IE_LSA_ID_LIST] = { 3, "LSA Identifier List" }, |
| 350 | [BSSGP_IE_LSA_INFORMATION] = { 5, "LSA Information" }, |
| 351 | [BSSGP_IE_MOBILE_ID] = { 1, "Mobile Identity" }, |
| 352 | [BSSGP_IE_MS_BUCKET_SIZE] = { 2, "MS Bucket Size" }, |
| 353 | [BSSGP_IE_MS_RADIO_ACCESS_CAP] = { 1, "MS Radio Access Capability" }, |
| 354 | [BSSGP_IE_OMC_ID] = { 1, "OMC Id" }, |
| 355 | [BSSGP_IE_PDU_IN_ERROR] = { 0, "PDU In Error" }, |
| 356 | [BSSGP_IE_PDU_LIFETIME] = { 2, "PDU Lifetime" }, |
| 357 | [BSSGP_IE_PRIORITY] = { 1, "Priority" }, |
| 358 | [BSSGP_IE_QOS_PROFILE] = { 3, "QoS Profile" }, |
| 359 | [BSSGP_IE_RADIO_CAUSE] = { 1, "Radio Cause" }, |
| 360 | [BSSGP_IE_RA_CAP_UPD_CAUSE] = { 1, "RA-Cap-UPD-Cause" }, |
| 361 | [BSSGP_IE_ROUTEING_AREA] = { 6, "Routeing Area" }, |
| 362 | [BSSGP_IE_R_DEFAULT_MS] = { 2, "R_default_MS" }, |
| 363 | [BSSGP_IE_SUSPEND_REF_NR] = { 1, "Suspend Reference Number" }, |
| 364 | [BSSGP_IE_TAG] = { 1, "Tag" }, |
| 365 | [BSSGP_IE_TLLI] = { 4, "TLLI" }, |
| 366 | [BSSGP_IE_TMSI] = { 4, "TMSI" }, |
| 367 | [BSSGP_IE_TRACE_REFERENC] = { 2, "Trace Reference" }, |
| 368 | [BSSGP_IE_TRACE_TYPE] = { 1, "Trace Type" }, |
| 369 | [BSSGP_IE_TRANSACTION_ID] = { 2, "Transaction Id" }, |
| 370 | [BSSGP_IE_TRIGGER_ID] = { 1, "Trigger Id" }, |
| 371 | [BSSGP_IE_NUM_OCT_AFF] = { 3, "Number of octets affected" }, |
| 372 | [BSSGP_IE_PACKET_FLOW_ID] = { 1, "Packet Flow Identifier (PFI)" }, |
| 373 | [BSSGP_IE_AGG_BSS_QOS_PROFILE] = { 14, "Aggregate BSS QoS Profile" }, |
| 374 | [BSSGP_IE_PACKET_FLOW_TIMER] = { 1, "GPRS Timer" }, |
| 375 | [BSSGP_IE_FEATURE_BITMAP] = { 1, "Feature Bitmap" }, |
| 376 | [BSSGP_IE_BUCKET_FULL_RATIO] = { 1, "Bucket Full Ratio" }, |
| 377 | [BSSGP_IE_SERVICE_UTRAN_CCO] = { 1, "Service UTRAN COO" }, |
| 378 | [BSSGP_IE_NSEI] = { 2, "NSEI" }, |
| 379 | [BSSGP_IE_RRLP_APDU] = { 1, "RLLP APDU" }, |
| 380 | [BSSGP_IE_LCS_QOS] = { 4, "LCS QoS" }, |
| 381 | [BSSGP_IE_LCS_CLIENT_TYPE] = { 1, "LCS Client Type" }, |
| 382 | [BSSGP_IE_REQUESTED_GPS_AST_DATA] = { 4, "Requested GPS Assistance Data" }, |
| 383 | [BSSGP_IE_LOCATION_TYPE] = { 2, "Location Type" }, |
| 384 | [BSSGP_IE_LOCATION_ESTIMATE] = { 1, "Location Estimate" }, |
| 385 | [BSSGP_IE_POSITIONING_DATA] = { 1, "Positioning Data" }, |
| 386 | [BSSGP_IE_DECIPHERING_KEYS] = { 15, "Deciphering Keys" }, |
| 387 | [BSSGP_IE_LCS_PRIORITY] = { 1, "LCS Priority" }, |
| 388 | [BSSGP_IE_LCS_CAUSE] = { 1, "LCS Cause" }, |
| 389 | [BSSGP_IE_LCS_CAPABILITY] = { 1, "LCS Capability" }, |
| 390 | [BSSGP_IE_RRLP_FLAGS] = { 1, "RRLP Flags" }, |
| 391 | [BSSGP_IE_RIM_APP_IDENTITY] = { 1, "RIM Application Identity" }, |
| 392 | [BSSGP_IE_RIM_SEQ_NR] = { 4, "RIM Sequence Number" }, |
| 393 | [BSSGP_IE_RIM_REQ_APP_CONTAINER] = { 12, "RIM-REQUEST RIM Container" }, |
| 394 | [BSSGP_IE_RAN_INFO_APP_CONTAINER] = { 12, "RAN-INFORMATION RIM Container" }, |
| 395 | [BSSGP_IE_RI_ACK_RIM_CONTAINER] = { 9, "RAN-INFORMATION-ACK RIM Container" }, |
| 396 | [BSSGP_IE_RI_ERROR_RIM_COINTAINER] = { 9, "RAN-INFOIRMATION-ERROR RIM Container" }, |
| 397 | [BSSGP_IE_RI_APP_ERROR_RIM_CONT] = { 14, "RAN-INFORMATION-APP-ERROR RIM Container" }, |
| 398 | [BSSGP_IE_RIM_PDU_INDICATIONS] = { 1, "RIM PDU Indications" }, |
| 399 | [BSSGP_IE_RIM_PROTOCOL_VERSION] = { 1, "RIM Protocol Version Number" }, |
| 400 | [BSSGP_IE_PFC_FLOW_CTRL_PARAMS] = { 7, "PFC FLow Control Parameters" }, |
| 401 | [BSSGP_IE_GLOBAL_CN_ID] = { 5, "Global CN-Id" }, |
| 402 | [BSSGP_IE_RIM_ROUTING_INFO] = { 1, "RIM Routing Information" }, |
| 403 | [BSSGP_IE_MBMS_SESSION_ID] = { 0, "MBMS Session Identity" }, |
| 404 | [BSSGP_IE_MBMS_SESSION_DURATION] = { 0, "MBMS Session Duration" }, |
| 405 | [BSSGP_IE_MBMS_SA_ID_LIST] = { 3, "MBMS Service Area Identity List" }, |
| 406 | [BSSGP_IE_MBMS_RESPONSE] = { 1, "MBMS Response" }, |
| 407 | [BSSGP_IE_MBMS_RA_LIST] = { 9, "MBMS Routing Area List" }, |
| 408 | [BSSGP_IE_MBMS_SESSION_INFO] = { 1, "MBMS Session Information" }, |
| 409 | [BSSGP_IE_TMGI] = { 6, "TMGI" }, |
| 410 | [BSSGP_IE_MBMS_STOP_CAUSE] = { 1, "MBM Stop Cause" }, |
| 411 | [BSSGP_IE_SBSS_TO_TBSS_TR_CONT] = { 7, "Source BSS to Target BSS Transparent Container" }, |
| 412 | [BSSGP_IE_TBSS_TO_SBSS_TR_CONT] = { 0, "Target BSS to Source BSS Transparent Container" }, |
| 413 | [BSSGP_IE_NAS_CONT_FOR_PS_HO] = { 0, "NAS container for PS Handover" }, |
| 414 | [BSSGP_IE_PFC_TO_BE_SETUP_LIST] = { 9, "PFCs to be set-up list" }, |
| 415 | [BSSGP_IE_LIST_OF_SETUP_PFC] = { 1, "List of set-up PFCs" }, |
| 416 | [BSSGP_IE_EXT_FEATURE_BITMAP] = { 1, "Extended Feature Bitmap" }, |
| 417 | [BSSGP_IE_SRC_TO_TGT_TR_CONT] = { 0, "Source to Target Transparent Container" }, |
| 418 | [BSSGP_IE_TGT_TO_SRC_TR_CONT] = { 0, "Target to Source Transparent Container" }, |
| 419 | [BSSGP_IE_NC_ID] = { 8, "RNC Identifier" }, |
| 420 | [BSSGP_IE_PAGE_MODE] = { 1, "Page Mode" }, |
| 421 | [BSSGP_IE_CONTAINER_ID] = { 1, "Container ID" }, |
| 422 | [BSSGP_IE_GLOBAL_TFI] = { 1, "Global TFI" }, |
| 423 | [BSSGP_IE_IMEI] = { 1, "IMEI" }, |
| 424 | [BSSGP_IE_TIME_TO_MBMS_DATA_XFR] = { 1, "Time to MBMS Data Transfer" }, |
| 425 | [BSSGP_IE_MBMS_SESSION_REP_NR] = { 1, "MBMS Session Repetition Number" }, |
| 426 | [BSSGP_IE_INTER_RAT_HO_INFO] = { 0, "Inter RAT Handover Info" }, |
| 427 | [BSSGP_IE_PS_HO_COMMAND] = { 0, "PS Handover Command" }, |
| 428 | [BSSGP_IE_PS_HO_INDICATIONS] = { 1, "PS Handover Indications" }, |
| 429 | [BSSGP_IE_SI_PSI_CONTAINER] = { 1, "SI/PSI Container" }, |
| 430 | [BSSGP_IE_ACTIVE_PFC_LIST] = { 2, "Active PFCs List" }, |
| 431 | [BSSGP_IE_VELOCITY_DATA] = { 0, "Velocity Data" }, |
| 432 | [BSSGP_IE_DTM_HO_COMMAND] = { 0, "DTM Handover Command" }, |
| 433 | [BSSGP_IE_CS_INDICATION] = { 1, "CS Indication" }, |
| 434 | [BSSGP_IE_RQD_GANNS_AST_DATA] = { 0, "Requested GANSS Assistance Data" }, |
| 435 | [BSSGP_IE_GANSS_LOCATION_TYPE] = { 1, "GANSS Location Type" }, |
| 436 | [BSSGP_IE_GANSS_POSITIONING_DATA] = { 0, "GANSS Positioning Data" }, |
| 437 | [BSSGP_IE_FLOW_CTRL_GRANULARITY] = { 1, "Flow Control Granularity" }, |
| 438 | [BSSGP_IE_ENB_ID] = { 6, "eNB Identifier" }, |
| 439 | [BSSGP_IE_EUTRAN_IRAT_HO_INFO] = { 0, "E-UTRAN Inter RAT Handover Info" }, |
| 440 | [BSSGP_IE_SUB_PID4RAT_FREQ_PRIO] = { 1, "Subscriber Profile ID for RAT/Frequency priority" }, |
| 441 | [BSSGP_IE_REQ4IRAT_HO_INFO] = { 1, "Request for Inter-RAT Handover Info" }, |
| 442 | [BSSGP_IE_RELIABLE_IRAT_HO_INFO] = { 1, "Reliable Inter-RAT Handover Info" }, |
| 443 | [BSSGP_IE_SON_TRANSFER_APP_ID] = { 0, "SON Transfer Application Identity" }, |
| 444 | [BSSGP_IE_CSG_ID] = { 5, "CSG Identifier" }, |
| 445 | [BSSGP_IE_TAC] = { 3, "Tracking Area Code" }, |
| 446 | [BSSGP_IE_REDIRECT_ATTEMPT_FLAG] = { 1, "Redirect Attempt Flag" }, |
| 447 | [BSSGP_IE_REDIRECTION_INDICATION] = { 1, "Redirection Indication" }, |
| 448 | [BSSGP_IE_REDIRECTION_COMPLETED] = { 1, "Redirection Completed" }, |
| 449 | [BSSGP_IE_UNCONF_SEND_STATE_VAR] = { 2, "Unconfirmed send state variable" }, |
| 450 | [BSSGP_IE_IRAT_MEASUREMENT_CONF] = { 10, "IRAT Measurement Configuration" }, |
| 451 | [BSSGP_IE_SCI] = { 1, "SCI" }, |
| 452 | [BSSGP_IE_GGSN_PGW_LOCATION] = { 1, "GGSN/P-GW Location" }, |
| 453 | [BSSGP_IE_SELECTED_PLMN_ID] = { 3, "Selected PLMN ID" }, |
| 454 | [BSSGP_IE_PRIO_CLASS_IND] = { 1, "Priority Class Indication" }, |
| 455 | [BSSGP_IE_SOURCE_CELL_ID] = { 6, "Source Cell ID" }, |
| 456 | [BSSGP_IE_IRAT_MEAS_CFG_E_EARFCN] = { 10, "IRAT Measurement Configuration (extended E-ARFCNs)" }, |
| 457 | [BSSGP_IE_EDRX_PARAMETERS] = { 1, "eDRX Parameters" }, |
| 458 | [BSSGP_IE_T_UNTIL_NEXT_PAGING] = { 2, "Time Until Next Paging Occasion" }, |
| 459 | [BSSGP_IE_COVERAGE_CLASS] = { 1, "Coverage Class" }, |
| 460 | [BSSGP_IE_PAGING_ATTEMPT_INFO] = { 1, "Paging Attempt Information" }, |
| 461 | [BSSGP_IE_EXCEPTION_REPORT_FLAG] = { 1, "Exception Report Flag" }, |
| 462 | [BSSGP_IE_OLD_RA_ID] = { 6, "Old Routing Area Identification" }, |
| 463 | [BSSGP_IE_ATTACH_IND] = { 1, "Attach Indicator" }, |
| 464 | [BSSGP_IE_PLMN_ID] = { 3, "PLMN Identity" }, |
| 465 | [BSSGP_IE_MME_QUERY] = { 1, "MME Query" }, |
| 466 | [BSSGP_IE_SGSN_GROUP_ID] = { 3, "SGSN Group Identity" }, |
| 467 | [BSSGP_IE_ADDITIONAL_PTMSI] = { 4, "Additional P-TMSI" }, |
| 468 | [BSSGP_IE_UE_USAGE_TYPE] = { 1, "UE Usage Type" }, |
| 469 | [BSSGP_IE_MLAT_TIMER] = { 1, "Multilateration Timer" }, |
| 470 | [BSSGP_IE_MLAT_TA] = { 2, "Multilateration Timing Advance" }, |
| 471 | [BSSGP_IE_MS_SYNC_ACCURACY] = { 1, "MS Sync Accuracy" }, |
| 472 | [BSSGP_IE_BTS_RX_ACCURACY_LVL] = { 1, "BTS Reception Accuracy Level" }, |
| 473 | [BSSGP_IE_TA_REQ] = { 1, "Timing Advance Request (TAR)" }, |
| 474 | }, |
| 475 | }; |
| 476 | |
| 477 | #undef DL |
| 478 | #undef UL |
| 479 | #undef SIG |
| 480 | #undef PTP |
| 481 | #undef PTM |
| 482 | |
| 483 | |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 484 | const char *bssgp_cause_str(enum gprs_bssgp_cause cause) |
| 485 | { |
| 486 | return get_value_string(bssgp_cause_strings, cause); |
| 487 | } |
| 488 | |
Max | c0d9a6c | 2016-03-09 12:29:23 +0100 | [diff] [blame] | 489 | const char *bssgp_pdu_str(enum bssgp_pdu_type pdu) |
| 490 | { |
| 491 | return get_value_string(bssgp_pdu_strings, pdu); |
| 492 | } |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 493 | |
| 494 | struct msgb *bssgp_msgb_alloc(void) |
| 495 | { |
Jacob Erlbeck | a39e2de | 2014-09-23 13:28:24 +0200 | [diff] [blame] | 496 | struct msgb *msg = msgb_alloc_headroom(4096, 128, "BSSGP"); |
Jacob Erlbeck | a84db61 | 2015-04-09 14:22:22 +0200 | [diff] [blame] | 497 | |
| 498 | /* TODO: Add handling of msg == NULL to this function and to all callers */ |
| 499 | OSMO_ASSERT(msg != NULL); |
| 500 | |
Jacob Erlbeck | a39e2de | 2014-09-23 13:28:24 +0200 | [diff] [blame] | 501 | msgb_bssgph(msg) = msg->data; |
| 502 | return msg; |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 503 | } |
| 504 | |
Jacob Erlbeck | f78ec5c | 2015-11-17 09:53:23 +0100 | [diff] [blame] | 505 | struct msgb *bssgp_msgb_copy(const struct msgb *msg, const char *name) |
| 506 | { |
| 507 | struct libgb_msgb_cb *old_cb, *new_cb; |
| 508 | struct msgb *new_msg; |
| 509 | |
| 510 | new_msg = msgb_copy(msg, name); |
| 511 | if (!new_msg) |
| 512 | return NULL; |
| 513 | |
| 514 | /* copy GB specific data */ |
| 515 | old_cb = LIBGB_MSGB_CB(msg); |
| 516 | new_cb = LIBGB_MSGB_CB(new_msg); |
| 517 | |
| 518 | if (old_cb->bssgph) |
| 519 | new_cb->bssgph = new_msg->_data + (old_cb->bssgph - msg->_data); |
| 520 | if (old_cb->llch) |
| 521 | new_cb->llch = new_msg->_data + (old_cb->llch - msg->_data); |
| 522 | |
| 523 | /* bssgp_cell_id is a pointer into the old msgb, so we need to make |
| 524 | * it a pointer into the new msgb */ |
| 525 | if (old_cb->bssgp_cell_id) |
| 526 | new_cb->bssgp_cell_id = new_msg->_data + |
| 527 | (old_cb->bssgp_cell_id - msg->_data); |
| 528 | new_cb->nsei = old_cb->nsei; |
| 529 | new_cb->bvci = old_cb->bvci; |
| 530 | new_cb->tlli = old_cb->tlli; |
| 531 | |
| 532 | return new_msg; |
| 533 | } |
| 534 | |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 535 | /* Transmit a simple response such as BLOCK/UNBLOCK/RESET ACK/NACK */ |
| 536 | int bssgp_tx_simple_bvci(uint8_t pdu_type, uint16_t nsei, |
| 537 | uint16_t bvci, uint16_t ns_bvci) |
| 538 | { |
| 539 | struct msgb *msg = bssgp_msgb_alloc(); |
| 540 | struct bssgp_normal_hdr *bgph = |
| 541 | (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); |
| 542 | uint16_t _bvci; |
| 543 | |
| 544 | msgb_nsei(msg) = nsei; |
| 545 | msgb_bvci(msg) = ns_bvci; |
| 546 | |
| 547 | bgph->pdu_type = pdu_type; |
Harald Welte | bfe62e5 | 2017-05-15 12:48:30 +0200 | [diff] [blame] | 548 | _bvci = osmo_htons(bvci); |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 549 | msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci); |
| 550 | |
Alexander Couzens | 85a8fd3 | 2020-07-18 15:57:07 +0200 | [diff] [blame] | 551 | return bssgp_ns_send(bssgp_ns_send_data, msg); |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 552 | } |
| 553 | |
| 554 | /* Chapter 10.4.14: Status */ |
| 555 | int bssgp_tx_status(uint8_t cause, uint16_t *bvci, struct msgb *orig_msg) |
| 556 | { |
| 557 | struct msgb *msg = bssgp_msgb_alloc(); |
| 558 | struct bssgp_normal_hdr *bgph = |
| 559 | (struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph)); |
| 560 | |
Jacob Erlbeck | a716577 | 2014-09-23 13:28:21 +0200 | [diff] [blame] | 561 | /* GSM 08.18, 10.4.14.1: The BVCI must be included if (and only if) the |
| 562 | cause is either "BVCI blocked" or "BVCI unknown" */ |
| 563 | if (cause == BSSGP_CAUSE_UNKNOWN_BVCI || cause == BSSGP_CAUSE_BVCI_BLOCKED) { |
| 564 | if (bvci == NULL) |
Harald Welte | fde19ed | 2020-12-07 21:43:51 +0100 | [diff] [blame] | 565 | LOGP(DLBSSGP, LOGL_ERROR, "BSSGP Tx STATUS, cause=%s: " |
Jacob Erlbeck | a716577 | 2014-09-23 13:28:21 +0200 | [diff] [blame] | 566 | "missing conditional BVCI\n", |
| 567 | bssgp_cause_str(cause)); |
| 568 | } else { |
| 569 | if (bvci != NULL) |
Harald Welte | fde19ed | 2020-12-07 21:43:51 +0100 | [diff] [blame] | 570 | LOGP(DLBSSGP, LOGL_ERROR, "BSSGP Tx STATUS, cause=%s: " |
Jacob Erlbeck | a716577 | 2014-09-23 13:28:21 +0200 | [diff] [blame] | 571 | "unexpected conditional BVCI\n", |
| 572 | bssgp_cause_str(cause)); |
| 573 | } |
| 574 | |
Harald Welte | fde19ed | 2020-12-07 21:43:51 +0100 | [diff] [blame] | 575 | LOGP(DLBSSGP, LOGL_NOTICE, "BSSGP BVCI=%u Tx STATUS, cause=%s\n", |
Harald Welte | cfb545a | 2010-06-03 21:30:57 +0200 | [diff] [blame] | 576 | bvci ? *bvci : 0, bssgp_cause_str(cause)); |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 577 | msgb_nsei(msg) = msgb_nsei(orig_msg); |
| 578 | msgb_bvci(msg) = 0; |
| 579 | |
| 580 | bgph->pdu_type = BSSGP_PDUT_STATUS; |
| 581 | msgb_tvlv_put(msg, BSSGP_IE_CAUSE, 1, &cause); |
| 582 | if (bvci) { |
Harald Welte | bfe62e5 | 2017-05-15 12:48:30 +0200 | [diff] [blame] | 583 | uint16_t _bvci = osmo_htons(*bvci); |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 584 | msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *) &_bvci); |
| 585 | } |
Harald Welte | d83d1b6 | 2011-07-16 13:45:10 +0200 | [diff] [blame] | 586 | msgb_tvlv_put(msg, BSSGP_IE_PDU_IN_ERROR, |
| 587 | msgb_bssgp_len(orig_msg), msgb_bssgph(orig_msg)); |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 588 | |
Alexander Couzens | 85a8fd3 | 2020-07-18 15:57:07 +0200 | [diff] [blame] | 589 | return bssgp_ns_send(bssgp_ns_send_data, msg); |
Harald Welte | af08678 | 2010-05-11 10:01:17 +0200 | [diff] [blame] | 590 | } |