Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 1 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 2 | #include "asn1helpers.h" |
| 3 | #include "iu_helpers.h" |
| 4 | |
| 5 | #include "ranap_common.h" |
| 6 | #include "ranap_ies_defs.h" |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 7 | |
| 8 | /* This is just some non-compiling work in progress code to generate the |
| 9 | * minimum set of RANAP messages that the core network side needs to send |
| 10 | * towards the RNC */ |
| 11 | |
| 12 | int ranap_tx_dt(uint8_t sapi, const uint8_t *nas, unsigned int nas_len) |
| 13 | { |
| 14 | RANAP_DirectTransferIEs_t ies; |
| 15 | RANAP_DirectTransfer_t dt; |
| 16 | struct msgb *msg; |
| 17 | int rc; |
| 18 | |
| 19 | memset(&ies, 0, sizeof(ies)); |
| 20 | |
| 21 | /* only SAPI optional field shall be present for CN->RNC */ |
| 22 | ies.presenceMask = DIRECTTRANSFERIES_RANAP_SAPI_PRESENT; |
| 23 | |
| 24 | if (sapi == 3) |
| 25 | ies.sapi = RANAP_SAPI_sapi_3; |
| 26 | else |
| 27 | ies.sapi = RANAP_SAPI_sapi_0; |
| 28 | |
| 29 | ies.nas_pdu.buf = nas; |
| 30 | ies.nas_pdu.size = nas_len; |
| 31 | |
| 32 | rc = ranap_encode_directtransferies(&dt, &ies); |
| 33 | |
| 34 | msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_DirectTransfer, |
| 35 | RANAP_Criticality_reject, |
| 36 | &asn_DEF_RANAP_DirectTransfer, |
| 37 | &dt); |
| 38 | /* FIXME: Hand that to RUA or SCCP */ |
| 39 | } |
| 40 | |
| 41 | static const enum RANAP_IntegrityProtectionAlgorithm ip_alg[2] = { |
| 42 | RANAP_IntegrityProtectionAlgorithm_standard_UMTS_integrity_algorithm_UIA1, |
| 43 | RANAP_IntegrityProtectionAlgorithm_standard_UMTS_integrity_algorithm_UIA2, |
| 44 | }; |
| 45 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 46 | static const RANAP_EncryptionAlgorithm_t enc_alg[2] = { |
| 47 | RANAP_EncryptionAlgorithm_standard_UMTS_encryption_algorith_UEA1, |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 48 | RANAP_EncryptionAlgorithm_standard_UMTS_encryption_algorithm_UEA2, |
| 49 | }; |
| 50 | |
| 51 | int ranap_tx_sec_mod_cmd(void) |
| 52 | { |
| 53 | RANAP_SecurityModeCommandIEs_t ies; |
| 54 | RANAP_SecurityModeCommand_t out; |
| 55 | struct msgb *msg; |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 56 | int i, rc; |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 57 | |
| 58 | memset(&ies, 0, sizeof(ies)); |
| 59 | |
| 60 | ies.presenceMask = SECURITYMODECOMMANDIES_RANAP_ENCRYPTIONINFORMATION_PRESENT; |
| 61 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 62 | for (i = 0; i < ARRAY_SIZE(ip_alg); i++) { |
| 63 | /* needs to be dynamically allocated, as |
| 64 | * SET_OF_free() will call FREEMEM() on it */ |
| 65 | RANAP_IntegrityProtectionAlgorithm_t *alg = MALLOC(*alg); |
| 66 | *alg = ip_alg[i]; |
| 67 | ASN_SEQUENCE_ADD(&ies.integrityProtectionInformation.permittedAlgorithms, alg); |
| 68 | } |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 69 | |
| 70 | ies.integrityProtectionInformation.key; /* FIXME */ |
| 71 | if (0) { |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 72 | for (i = 0; i < ARRAY_SIZE(ip_alg); i++) { |
| 73 | /* needs to be dynamically allocated, as |
| 74 | * SET_OF_free() will call FREEMEM() on it */ |
| 75 | RANAP_EncryptionAlgorithm_t *alg = MALLOC(*alg); |
| 76 | *alg = enc_alg[i]; |
| 77 | ASN_SEQUENCE_ADD(&ies.encryptionInformation.permittedAlgorithms, alg); |
| 78 | } |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 79 | ies.encryptionInformation.key; /* FIXME */ |
| 80 | } |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 81 | |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 82 | ies.keyStatus = RANAP_KeyStatus_new; /* FIXME */ |
| 83 | |
| 84 | rc = ranap_encode_securitymodecommandies(&out, &ies); |
| 85 | |
| 86 | asn_sequence_empty(&ies.integrityProtectionInformation.permittedAlgorithms); |
| 87 | asn_sequence_empty(&ies.encryptionInformation.permittedAlgorithms); |
| 88 | |
| 89 | msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_SecurityModeControl, |
| 90 | RANAP_Criticality_reject, |
| 91 | &asn_DEF_RANAP_SecurityModeCommand, |
| 92 | &out); |
| 93 | } |
| 94 | |
| 95 | int ranap_tx_common_id(const char *imsi) |
| 96 | { |
| 97 | RANAP_CommonID_IEs_t ies; |
| 98 | RANAP_CommonID_t out; |
| 99 | struct msgb *msg; |
| 100 | int rc; |
| 101 | |
| 102 | memset(&ies, 0, sizeof(ies)); |
| 103 | |
| 104 | if (imsi) { |
| 105 | ies.permanentNAS_UE_ID.present = RANAP_PermanentNAS_UE_ID_PR_iMSI; |
| 106 | ies.permanentNAS_UE_ID.choice.iMSI; /* FIXME */ |
| 107 | } else |
| 108 | ies.permanentNAS_UE_ID.present = RANAP_PermanentNAS_UE_ID_PR_NOTHING; |
| 109 | |
| 110 | rc = ranap_encode_commonidies(&out, &ies); |
| 111 | |
| 112 | msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_CommonID, |
| 113 | RANAP_Criticality_ignore, |
| 114 | &asn_DEF_RANAP_CommonID, |
| 115 | &out); |
| 116 | } |
| 117 | |
| 118 | int ranap_tx_iu_rel_cmd(RANAP_Cause_t cause) |
| 119 | { |
| 120 | RANAP_Iu_ReleaseCommandIEs_t ies; |
| 121 | RANAP_Iu_ReleaseCommand_t out; |
| 122 | struct msgb *msg; |
| 123 | int rc; |
| 124 | |
| 125 | memset(&ies, 0, sizeof(ies)); |
| 126 | |
| 127 | ies.cause = cause; |
| 128 | |
| 129 | rc = ranap_encode_iu_releasecommandies(&out, &ies); |
| 130 | |
| 131 | msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_Iu_Release, |
| 132 | RANAP_Criticality_reject, |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 133 | &asn_DEF_RANAP_Iu_ReleaseCommand, |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 134 | &out); |
| 135 | } |
| 136 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 137 | int ranap_tx_paging_cmd(const char *imsi, uint32_t *tmsi, int is_ps, uint32_t cause) |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 138 | { |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 139 | RANAP_PagingIEs_t ies; |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 140 | RANAP_Paging_t out; |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 141 | struct msgb *msg; |
| 142 | uint8_t *imsi_buf = CALLOC(1, 16); |
| 143 | int rc; |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 144 | |
| 145 | memset(&ies, 0, sizeof(ies)); |
| 146 | |
| 147 | if (is_ps) |
| 148 | ies.cN_DomainIndicator = RANAP_CN_DomainIndicator_ps_domain; |
| 149 | else |
| 150 | ies.cN_DomainIndicator = RANAP_CN_DomainIndicator_cs_domain; |
| 151 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 152 | rc = encode_iu_imsi(imsi_buf, 16, imsi); |
| 153 | ies.permanentNAS_UE_ID.present = RANAP_PermanentNAS_UE_ID_PR_iMSI; |
| 154 | ies.permanentNAS_UE_ID.choice.iMSI.buf = imsi_buf; |
| 155 | ies.permanentNAS_UE_ID.choice.iMSI.size = rc; |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 156 | |
| 157 | if (tmsi) { |
| 158 | ies.presenceMask |= PAGINGIES_RANAP_TEMPORARYUE_ID_PRESENT; |
| 159 | if (is_ps) { |
| 160 | ies.temporaryUE_ID.present = RANAP_TemporaryUE_ID_PR_p_TMSI; |
| 161 | ies.temporaryUE_ID.choice.tMSI; |
| 162 | } else { |
| 163 | ies.temporaryUE_ID.present = RANAP_TemporaryUE_ID_PR_tMSI; |
| 164 | ies.temporaryUE_ID.choice.p_TMSI; |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | if (cause) { |
| 169 | ies.presenceMask |= PAGINGIES_RANAP_PAGINGCAUSE_PRESENT; |
| 170 | ies.pagingCause = cause; |
| 171 | } |
| 172 | |
| 173 | rc = ranap_encode_iu_pagingies(&out, &ies); |
| 174 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 175 | msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_Paging, |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 176 | RANAP_Criticality_reject, |
| 177 | &asn_DEF_RANAP_Paging, |
| 178 | &out); |
| 179 | } |
| 180 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 181 | static RANAP_SDU_ErrorRatio_t *new_sdu_error_ratio(long mantissa, long exponent) |
| 182 | { |
| 183 | RANAP_SDU_ErrorRatio_t *err = CALLOC(1, sizeof(*err)); |
| 184 | |
| 185 | err->mantissa = mantissa; |
| 186 | err->exponent = exponent; |
| 187 | |
| 188 | return err; |
| 189 | } |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 190 | |
| 191 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 192 | static RANAP_SDU_FormatInformationParameters_t * |
| 193 | new_format_info_pars(long sdu_size) |
| 194 | { |
| 195 | RANAP_SDU_FormatInformationParameters_t *fmti = CALLOC(1, sizeof(*fmti)); |
| 196 | fmti->subflowSDU_Size = new_long(sdu_size); |
| 197 | return fmti; |
| 198 | } |
| 199 | |
| 200 | enum sdu_par_profile { |
| 201 | SDUPAR_P_VOICE0, |
| 202 | SDUPAR_P_VOICE1, |
| 203 | SDUPAR_P_VOICE2, |
| 204 | SDUPAR_P_DATA, |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 205 | }; |
| 206 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 207 | static RANAP_SDU_Parameters_t *new_sdu_pars(enum sdu_par_profile profile) |
| 208 | { |
| 209 | RANAP_SDU_Parameters_t *sdup = MALLOC(sizeof(*sdup)); |
| 210 | RANAP_SDU_FormatInformationParameters_t *fmti; |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 211 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 212 | memset(&sdup, 0, sizeof(sdup)); |
| 213 | |
| 214 | switch (profile) { |
| 215 | case SDUPAR_P_VOICE0: |
| 216 | sdup->sDU_ErrorRatio = new_sdu_error_ratio(1, 5); |
| 217 | sdup->residualBitErrorRatio.mantissa = 1; |
| 218 | sdup->residualBitErrorRatio.exponent = 6; |
| 219 | sdup->deliveryOfErroneousSDU = RANAP_DeliveryOfErroneousSDU_yes; |
| 220 | fmti = new_format_info_pars(81); |
| 221 | ASN_SEQUENCE_ADD(&sdup->sDU_FormatInformationParameters, fmti); |
| 222 | fmti = new_format_info_pars(39); |
| 223 | ASN_SEQUENCE_ADD(&sdup->sDU_FormatInformationParameters, fmti); |
| 224 | /* FIXME: could be 10 SDU descriptors for AMR! */ |
| 225 | break; |
| 226 | case SDUPAR_P_VOICE1: |
| 227 | sdup->residualBitErrorRatio.mantissa = 1; |
| 228 | sdup->residualBitErrorRatio.exponent = 3; |
| 229 | sudp->deliveryOfErroneousSDU = RANAP_DeliveryOfErroneousSDU_no_error_detection_consideration; |
| 230 | fmti = new_format_info_pars(103); |
| 231 | ASN_SEQUENCE_ADD(&sdup->sDU_FormatInformationParameters, fmti); |
| 232 | fmti = new_format_info_pars(0); |
| 233 | ASN_SEQUENCE_ADD(&sdup->sDU_FormatInformationParameters, fmti); |
| 234 | /* FIXME: could be 10 SDU descriptors for AMR! */ |
| 235 | break; |
| 236 | case SDUPAR_P_VOICE2: |
| 237 | sdup->residualBitErrorRatio.mantissa = 5; |
| 238 | sdup->residualBitErrorRatio.exponent = 3; |
| 239 | sudp->deliveryOfErroneousSDU = RANAP_DeliveryOfErroneousSDU_no_error_detection_consideration; |
| 240 | fmti = new_format_info_pars(60); |
| 241 | ASN_SEQUENCE_ADD(&sdup->sDU_FormatInformationParameters, fmti); |
| 242 | fmti = new_format_info_pars(0); |
| 243 | ASN_SEQUENCE_ADD(&sdup->sDU_FormatInformationParameters, fmti); |
| 244 | /* FIXME: could be 10 SDU descriptors for AMR! */ |
| 245 | break; |
| 246 | case SDUPAR_P_DATA: |
| 247 | sdup->sDU_ErrorRatio = new_sdu_error_ratio(1, 4); |
| 248 | sdup->residualBitErrorRatio.mantissa = 1; |
| 249 | sdup->residualBitErrorRatio.exponent = 5; |
| 250 | sdup->deliveryOfErroneousSDU = RANAP_DeliveryOfErroneousSDU_no; |
| 251 | break; |
| 252 | } |
| 253 | |
| 254 | return sdup; |
| 255 | } |
| 256 | |
| 257 | static long *new_long(long in) |
| 258 | { |
| 259 | long *out = MALLOC(sizeof(long)); |
| 260 | *out = in; |
| 261 | return out; |
| 262 | } |
| 263 | |
| 264 | static RANAP_AllocationOrRetentionPriority_t * |
| 265 | new_alloc_ret_prio(RANAP_PriorityLevel_t level, bool capability, bool vulnerability, |
| 266 | bool qeueing_allowed) |
| 267 | { |
| 268 | RANAP_AllocationOrRetentionPriority_t *arp = MALLOC(sizeof(*arp)); |
| 269 | |
| 270 | arp->priorityLevel = level; |
| 271 | |
| 272 | if (capability) |
| 273 | arp->pre_emptionCapability = RANAP_Pre_emptionCapability_may_trigger_pre_emption; |
| 274 | else |
| 275 | arp->pre_emptionCapability = RANAP_Pre_emptionCapability_shall_not_trigger_pre_emption; |
| 276 | |
| 277 | if (vulnerability) |
| 278 | arp->pre_emptionVulnerability = RANAP_Pre_emptionVulnerability_pre_emptable; |
| 279 | else |
| 280 | arp->pre_emptionVulnerability = RANAP_Pre_emptionVulnerability_not_pre_emptable; |
| 281 | |
| 282 | if (queueing_allowed) |
| 283 | arp->queuingAllowed = RANAP_QueuingAllowed_queueing_allowed; |
| 284 | else |
| 285 | arp->queuingAllowed = RANAP_QueuingAllowed_queueing_not_allowed; |
| 286 | |
| 287 | return arp; |
| 288 | } |
| 289 | |
| 290 | static RANAP_RAB_Parameters_t *new_rab_par_voice(void) |
| 291 | { |
| 292 | RANAP_RAB_Parameters_t *rab = CALLOC(1, sizeof(*rab)); |
| 293 | |
| 294 | rab->trafficClass = RANAP_TrafficClass_conversational; |
| 295 | rab->rAB_AsymmetryIndicator = RANAP_RAB_AsymmetryIndicator_symmetric_bidirectional; |
| 296 | |
| 297 | ASN_SEQUENCE_ADD(&rab->maxBitrate, new_long(12200)); |
| 298 | rab->guaranteedBitrate = MALLOC(sizeof(*rab->guaranteedBitrate)); |
| 299 | ASN_SEQUENCE_ADD(&rab->guaranteedBitrate, new_long(12200)); |
| 300 | rab->deliveryOrder = RANAP_DeliveryOrder_delivery_order_requested; |
| 301 | rab->maxSDU_Size = 244; |
| 302 | |
| 303 | sdup = new_sdu_pars(SDUPAR_P_VOICE0); |
| 304 | ASN_SEQUENCE_ADD(&rab->sDU_Parameters, sdup); |
| 305 | sdup = new_sdu_pars(SDUPAR_P_VOICE1); |
| 306 | ASN_SEQUENCE_ADD(&rab->sDU_Parameters, sdup); |
| 307 | sdup = new_sdu_pars(SDUPAR_P_VOICE2); |
| 308 | ASN_SEQUENCE_ADD(&rab->sDU_Parameters, sdup); |
| 309 | |
| 310 | rab->transferDelay = new_long(80); |
| 311 | rab->allocationOrRetentionPriority = new_alloc_ret_prio(RANAP_PriorityLevel_no_priority, 0, 1, 0); |
| 312 | |
| 313 | rab->sourceStatisticsDescriptor = new_long(RANAP_SourceStatisticsDescriptor_speech); |
| 314 | |
| 315 | return rab; |
| 316 | } |
| 317 | |
| 318 | static RANAP_RAB_Parameters_t *new_rab_par_data(void) |
| 319 | { |
| 320 | RANAP_RAB_Parameters_t *rab = CALLOC(1, sizeof(*rab)); |
| 321 | |
| 322 | rab->trafficClass = RANAP_TrafficClass_background; |
| 323 | rab->rAB_AsymmetryIndicator = RANAP_RAB_AsymmetryIndicator_asymmetric_bidirectional; |
| 324 | |
| 325 | ASN_SEQUENCE_ADD(&rab->maxBitrate, new_long(16000000)); |
| 326 | ASN_SEQUENCE_ADD(&rab->maxBitrate, new_long(8000000)); |
| 327 | rab->deliveryOrder = RANAP_DeliveryOrder_delivery_order_requested; |
| 328 | rab->maxSDU_Size = 8000; |
| 329 | |
| 330 | sdup = new_sdu_pars(SDUPAR_P_DATA); |
| 331 | ASN_SEQUENCE_ADD(&rab->sDU_Parameters, sdup); |
| 332 | |
| 333 | rab->allocationOrRetentionPriority = new_alloc_ret_prio(RANAP_PriorityLevel_no_priority, 0, 0, 0); |
| 334 | |
| 335 | /* FIXME: RAB-Parameter-ExtendedMaxBitrateList for 42Mbps? */ |
| 336 | |
| 337 | return rab; |
| 338 | } |
| 339 | |
| 340 | static RANAP_TransportLayerInformation_t *new_transp_info_rtp(uint32_t ip, uint16_t port) |
| 341 | { |
| 342 | RANAP_TransportLayerInformation_t *tli = CALLOC(1, sizeof(*tli)); |
| 343 | uint32_t *ipbuf = CALLOC(1, sizeof(*ipbuf)); |
| 344 | uint8_t binding_id[4]; |
| 345 | |
| 346 | binding_id[0] = port >> 8; |
| 347 | binding_id[1] = port & 0xff; |
| 348 | binding_id[2] = binding_id[3] = 0; |
| 349 | |
| 350 | asn1_u32_to_bitstring(&tli->transportLayerAddress, ipbuf, htonl(ip)); |
| 351 | tli->iuTransportAssociation.present = RANAP_IuTransportAssociation_PR_bindingID; |
| 352 | OCTET_STRING_fromBuf(tli->iuTransportAssociation.choice.bindingID.buf, |
| 353 | (const char *) binding_id, sizeof(binding_id)); |
| 354 | |
| 355 | return tli; |
| 356 | } |
| 357 | |
| 358 | static RANAP_TransportLayerInformation_t *new_transp_info_gtp(uint32_t ip, uint32_t tei) |
| 359 | { |
| 360 | RANAP_TransportLayerInformation_t *tli = CALLOC(1, sizeof(*tli)); |
| 361 | uint32_t *ipbuf = CALLOC(1, sizeof(*ipbuf)); |
| 362 | uint32_t binding_buf = htonl(tei); |
| 363 | |
| 364 | asn1_u32_to_bitstring(&tli->transportLayerAddress, ipbuf, htonl(ip)); |
| 365 | tli->iuTransportAssociation.present = RANAP_IuTransportAssociation_PR_gTP_TEI; |
| 366 | OCTET_STRING_fromBuf(&tli->iuTransportAssociation.choice.bindingID, |
| 367 | (const char *) binding_buf, sizeof(binding_buf)); |
| 368 | |
| 369 | return tli; |
| 370 | } |
| 371 | |
| 372 | static RANAP_UserPlaneInformation_t *new_upi(long mode, uint8_t mode_versions) |
| 373 | { |
| 374 | RANAP_UserPlaneInformation_t *upi = CALLOC(1, sizeof(*upi)); |
| 375 | uint8_t *buf = CALLOC(1, sizeof(*buf)); |
| 376 | |
| 377 | *buf = mode_versions; |
| 378 | |
| 379 | upi->userPlaneMode = mode; |
| 380 | upi->uP_ModeVersions.buf = buf; |
| 381 | upi->uP_ModeVersions.size = 1; |
| 382 | upi->uP_ModeVersions.bits_unused = 0; |
| 383 | |
| 384 | return upi; |
| 385 | } |
| 386 | |
| 387 | int ranap_tx_rab_assign_voice(uint8_t rab_id) |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 388 | { |
| 389 | RANAP_ProtocolIE_FieldPair_t *pair; |
| 390 | RANAP_RAB_AssignmentRequestIEs_t ies; |
| 391 | RANAP_RAB_AssignmentRequest_t out; |
| 392 | |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 393 | memset(&ies, 0, sizeof(ies)); |
| 394 | |
| 395 | ies.presenceMask = RAB_ASSIGNMENTREQUESTIES_RANAP_RAB_SETUPORMODIFYLIST_PRESENT; |
| 396 | /* RANAP_RAB_IE_ContainerPairList_t */ |
| 397 | |
| 398 | RANAP_RAB_SetupOrModifyItemFirst_t first; |
| 399 | |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 400 | first.rAB_ID = rab_id; |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 401 | first.nAS_SynchronisationIndicator = FIXME; |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 402 | first.rAB_Parameters = new_rab_par_voice(); |
| 403 | first.userPlaneInformation = new_upi(RANAP_UserPlaneMode_support_mode_for_predefined_SDU_sizes, 1); /* 2? */ |
| 404 | first.transportLayerInformation = new_transp_info_rtp(ip, port); |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 405 | |
| 406 | RANAP_RAB_SetupOrModifyItemSecond_t second; |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 407 | memset(&second, 0, sizeof(second)); |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 408 | |
| 409 | pair = ranap_new_ie_pair(RANAP_ProtocolIE_ID_id_RAB_SetupOrModifyItem, |
| 410 | RANAP_Criticality_reject, |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 411 | &asn_DEF_RANAP_RAB_SetupOrModifyItemFirst, &first, |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 412 | RANAP_Criticality_ignore, |
Harald Welte | 091039d | 2015-12-17 20:37:40 +0100 | [diff] [blame] | 413 | &asn_DEF_RANAP_RAB_SetupOrModifyItemSecond, &second); |
| 414 | |
| 415 | ASN_SEQUENCE_ADD(&ies.raB_SetupOrModifyList.list, pair); |
| 416 | |
| 417 | rc = ranap_encode_rab_assignmentrequesties(&out, &ies); |
| 418 | } |
| 419 | |
| 420 | int ranap_tx_rab_assign_data(uint8_t rab_id, uint32_t gtp_ip, uint16_t gtp_port) |
| 421 | { |
| 422 | RANAP_ProtocolIE_FieldPair_t *pair; |
| 423 | RANAP_RAB_AssignmentRequestIEs_t ies; |
| 424 | RANAP_RAB_AssignmentRequest_t out; |
| 425 | RANAP_DataVolumeReportingIndication_t *dat_vol_ind = CALLOC(1, sizeof(*dat_vol_ind)); |
| 426 | int rc; |
| 427 | |
| 428 | memset(&ies, 0, sizeof(ies)); |
| 429 | |
| 430 | ies.presenceMask = RAB_ASSIGNMENTREQUESTIES_RANAP_RAB_SETUPORMODIFYLIST_PRESENT; |
| 431 | /* RANAP_RAB_IE_ContainerPairList_t */ |
| 432 | |
| 433 | RANAP_RAB_SetupOrModifyItemFirst_t first; |
| 434 | |
| 435 | first.rAB_ID = rab_id; |
| 436 | first.nAS_SynchronisationIndicator = FIXME; |
| 437 | first.rAB_Parameters = new_rab_par_data(); |
| 438 | first.userPlaneInformation = new_upi(RANAP_UserPlaneMode_transparent_mode, 1); |
| 439 | first.transportLayerInformation = new_transp_info_rtp(gtp_ip, gtp_port); |
| 440 | |
| 441 | RANAP_RAB_SetupOrModifyItemSecond_t second; |
| 442 | memset(&second, 0, sizeof(second)); |
| 443 | second.pDP_TypeInformation = CALLOC(1, sizeof(*second.pDP_TypeInformation)); |
| 444 | ASN_SEQUENCE_ADD(&second.pDP_TypeInformation, new_long(RANAP_PDP_Type_ipv4)); |
| 445 | *dat_vol_ind = RANAP_DataVolumeReportingIndication_do_not_report; |
| 446 | second.dataVolumeReportingIndication = dat_vol_ind; |
| 447 | second.dl_GTP_PDU_SequenceNumber = new_long(0); |
| 448 | second.ul_GTP_PDU_SequenceNumber = new_long(0); |
| 449 | |
| 450 | pair = ranap_new_ie_pair(RANAP_ProtocolIE_ID_id_RAB_SetupOrModifyItem, |
| 451 | RANAP_Criticality_reject, |
| 452 | &asn_DEF_RANAP_RAB_SetupOrModifyItemFirst, &first, |
| 453 | RANAP_Criticality_ignore, |
| 454 | &asn_DEF_RANAP_RAB_SetupOrModifyItemSecond, &second); |
Harald Welte | d328c1a | 2015-12-16 23:04:21 +0100 | [diff] [blame] | 455 | |
| 456 | ASN_SEQUENCE_ADD(&ies.raB_SetupOrModifyList.list, pair); |
| 457 | |
| 458 | rc = ranap_encode_rab_assignmentrequesties(&out, &ies); |
| 459 | } |