Harald Welte | 77847ad | 2015-10-06 22:07:04 +0200 | [diff] [blame] | 1 | /* hnb-gw specific code for HNBAP */ |
| 2 | |
| 3 | /* (C) 2015 by Harald Welte <laforge@gnumonks.org> |
| 4 | * All Rights Reserved |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU Affero General Public License as published by |
| 8 | * the Free Software Foundation; either version 3 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU Affero General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Affero General Public License |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | * |
| 19 | */ |
| 20 | |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 21 | #include <osmocom/core/msgb.h> |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 22 | #include <osmocom/core/utils.h> |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 23 | #include <osmocom/gsm/gsm48.h> |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 24 | |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 25 | #include <unistd.h> |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 26 | #include <errno.h> |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 27 | #include <string.h> |
| 28 | |
Harald Welte | 30afef3 | 2015-08-30 12:28:29 +0200 | [diff] [blame] | 29 | #include "asn1helpers.h" |
Harald Welte | 1d2c39d | 2015-09-11 17:49:37 +0200 | [diff] [blame] | 30 | #include "iu_helpers.h" |
Harald Welte | 30afef3 | 2015-08-30 12:28:29 +0200 | [diff] [blame] | 31 | |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 32 | #include "hnbgw.h" |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 33 | #include "hnbap_common.h" |
| 34 | #include "hnbap_ies_defs.h" |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 35 | |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 36 | #define IU_MSG_NUM_IES 32 |
| 37 | #define IU_MSG_NUM_EXT_IES 32 |
| 38 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 39 | static int hnbgw_hnbap_tx(struct hnb_context *ctx, struct msgb *msg) |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 40 | { |
Harald Welte | 7b54e32 | 2015-09-07 22:41:45 +0200 | [diff] [blame] | 41 | if (!msg) |
| 42 | return -EINVAL; |
| 43 | |
Harald Welte | 3f71256 | 2015-09-07 21:53:25 +0200 | [diff] [blame] | 44 | msgb_ppid(msg) = IUH_PPI_HNBAP; |
| 45 | return osmo_wqueue_enqueue(&ctx->wqueue, msg); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 46 | } |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 47 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 48 | static int hnbgw_tx_hnb_register_acc(struct hnb_context *ctx) |
| 49 | { |
| 50 | HNBRegisterAccept_t accept_out; |
| 51 | struct msgb *msg; |
| 52 | int rc; |
| 53 | |
| 54 | /* Single required response IE: RNC-ID */ |
| 55 | HNBRegisterAcceptIEs_t accept = { |
| 56 | .rnc_id = ctx->gw->config.rnc_id |
| 57 | }; |
| 58 | |
| 59 | /* encode the Information Elements */ |
Harald Welte | 2204f9d | 2015-09-07 21:10:50 +0200 | [diff] [blame] | 60 | memset(&accept_out, 0, sizeof(accept_out)); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 61 | rc = hnbap_encode_hnbregisteraccepties(&accept_out, &accept); |
| 62 | if (rc < 0) { |
| 63 | return rc; |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 64 | } |
| 65 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 66 | /* generate a successfull outcome PDU */ |
| 67 | msg = hnbap_generate_successful_outcome(ProcedureCode_id_HNBRegister, |
| 68 | Criticality_reject, |
| 69 | &asn_DEF_HNBRegisterAccept, |
| 70 | &accept_out); |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 71 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 72 | return hnbgw_hnbap_tx(ctx, msg); |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 73 | } |
| 74 | |
| 75 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 76 | static int hnbgw_tx_ue_register_acc(struct ue_context *ue) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 77 | { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 78 | UERegisterAccept_t accept_out; |
| 79 | UERegisterAcceptIEs_t accept; |
| 80 | struct msgb *msg; |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 81 | uint8_t encoded_imsi[10]; |
| 82 | size_t encoded_imsi_len; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 83 | int rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 84 | |
Harald Welte | 1d2c39d | 2015-09-11 17:49:37 +0200 | [diff] [blame] | 85 | encoded_imsi_len = encode_iu_imsi(encoded_imsi, |
| 86 | sizeof(encoded_imsi), ue->imsi); |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 87 | |
Harald Welte | 2204f9d | 2015-09-07 21:10:50 +0200 | [diff] [blame] | 88 | memset(&accept, 0, sizeof(accept)); |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 89 | accept.uE_Identity.present = UE_Identity_PR_iMSI; |
Harald Welte | 1d2c39d | 2015-09-11 17:49:37 +0200 | [diff] [blame] | 90 | OCTET_STRING_fromBuf(&accept.uE_Identity.choice.iMSI, |
| 91 | (const char *)encoded_imsi, encoded_imsi_len); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 92 | asn1_u32_to_bitstring(&accept.context_ID, &ue->context_id); |
Harald Welte | 6286880 | 2015-09-18 01:23:55 +0200 | [diff] [blame] | 93 | accept.context_ID.size = 3; /* 24bit field */ |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 94 | |
Harald Welte | 2204f9d | 2015-09-07 21:10:50 +0200 | [diff] [blame] | 95 | memset(&accept_out, 0, sizeof(accept_out)); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 96 | rc = hnbap_encode_ueregisteraccepties(&accept_out, &accept); |
| 97 | if (rc < 0) { |
| 98 | return rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 99 | } |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 100 | |
| 101 | msg = hnbap_generate_successful_outcome(ProcedureCode_id_UERegister, |
| 102 | Criticality_reject, |
| 103 | &asn_DEF_UERegisterAccept, |
| 104 | &accept_out); |
| 105 | return hnbgw_hnbap_tx(ue->hnb, msg); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 106 | } |
| 107 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 108 | static int hnbgw_rx_hnb_register_req(struct hnb_context *ctx, ANY_t *in) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 109 | { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 110 | HNBRegisterRequestIEs_t ies; |
| 111 | int rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 112 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 113 | rc = hnbap_decode_hnbregisterrequesties(&ies, in); |
| 114 | if (rc < 0) |
| 115 | return rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 116 | |
Harald Welte | a2e6a7a | 2015-08-29 21:47:39 +0200 | [diff] [blame] | 117 | /* copy all identity parameters from the message to ctx */ |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 118 | asn1_strncpy(ctx->identity_info, &ies.hnB_Identity.hNB_Identity_Info, |
| 119 | sizeof(ctx->identity_info)); |
| 120 | ctx->id.lac = asn1str_to_u16(&ies.lac); |
| 121 | ctx->id.sac = asn1str_to_u16(&ies.sac); |
| 122 | ctx->id.rac = asn1str_to_u8(&ies.rac); |
Daniel Willmann | d6a45b4 | 2015-12-08 13:55:17 +0100 | [diff] [blame] | 123 | ctx->id.cid = asn1bitstr_to_u28(&ies.cellIdentity); |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 124 | //ctx->id.mcc FIXME |
| 125 | //ctx->id.mnc FIXME |
Harald Welte | a2e6a7a | 2015-08-29 21:47:39 +0200 | [diff] [blame] | 126 | |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 127 | DEBUGP(DMAIN, "HNB-REGISTER-REQ from %s\n", ctx->identity_info); |
| 128 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 129 | /* Send HNBRegisterAccept */ |
| 130 | return hnbgw_tx_hnb_register_acc(ctx); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 131 | } |
| 132 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 133 | static int hnbgw_rx_ue_register_req(struct hnb_context *ctx, ANY_t *in) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 134 | { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 135 | UERegisterRequestIEs_t ies; |
| 136 | struct ue_context *ue; |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 137 | char imsi[16]; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 138 | int rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 139 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 140 | rc = hnbap_decode_ueregisterrequesties(&ies, in); |
| 141 | if (rc < 0) |
| 142 | return rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 143 | |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 144 | switch (ies.uE_Identity.present) { |
| 145 | case UE_Identity_PR_iMSI: |
| 146 | decode_iu_bcd(imsi, sizeof(imsi), ies.uE_Identity.choice.iMSI.buf, |
| 147 | ies.uE_Identity.choice.iMSI.size); |
| 148 | break; |
| 149 | case UE_Identity_PR_iMSIDS41: |
| 150 | decode_iu_bcd(imsi, sizeof(imsi), ies.uE_Identity.choice.iMSIDS41.buf, |
| 151 | ies.uE_Identity.choice.iMSIDS41.size); |
| 152 | break; |
| 153 | case UE_Identity_PR_iMSIESN: |
| 154 | decode_iu_bcd(imsi, sizeof(imsi), ies.uE_Identity.choice.iMSIESN.iMSIDS41.buf, |
| 155 | ies.uE_Identity.choice.iMSIESN.iMSIDS41.size); |
| 156 | break; |
| 157 | default: |
Harald Welte | 1d2c39d | 2015-09-11 17:49:37 +0200 | [diff] [blame] | 158 | LOGP(DMAIN, LOGL_NOTICE, "UE-REGISTER-REQ without IMSI?!?\n"); |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 159 | return -1; |
| 160 | } |
Harald Welte | b534e5c | 2015-09-11 00:15:16 +0200 | [diff] [blame] | 161 | |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 162 | DEBUGP(DMAIN, "UE-REGSITER-REQ ID_type=%d imsi=%s cause=%ld\n", |
| 163 | ies.uE_Identity.present, imsi, ies.registration_Cause); |
| 164 | |
| 165 | ue = ue_context_by_imsi(imsi); |
| 166 | if (!ue) |
| 167 | ue = ue_context_alloc(ctx, imsi); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 168 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 169 | /* Send UERegisterAccept */ |
| 170 | return hnbgw_tx_ue_register_acc(ue); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 171 | } |
| 172 | |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame] | 173 | static int hnbgw_rx_err_ind(struct hnb_context *hnb, ANY_t *in) |
| 174 | { |
| 175 | ErrorIndicationIEs_t ies; |
| 176 | int rc; |
| 177 | |
Harald Welte | 1d2c39d | 2015-09-11 17:49:37 +0200 | [diff] [blame] | 178 | rc = hnbap_decode_errorindicationies(&ies, in); |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame] | 179 | if (rc < 0) |
| 180 | return rc; |
| 181 | |
| 182 | LOGP(DMAIN, LOGL_NOTICE, "HNBAP ERROR.ind, cause: %s\n", |
| 183 | hnbap_cause_str(&ies.cause)); |
| 184 | |
| 185 | return 0; |
| 186 | } |
| 187 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 188 | static int hnbgw_rx_initiating_msg(struct hnb_context *hnb, InitiatingMessage_t *imsg) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 189 | { |
| 190 | int rc; |
| 191 | |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 192 | switch (imsg->procedureCode) { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 193 | case ProcedureCode_id_HNBRegister: /* 8.2 */ |
| 194 | rc = hnbgw_rx_hnb_register_req(hnb, &imsg->value); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 195 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 196 | case ProcedureCode_id_HNBDe_Register: /* 8.3 */ |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 197 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 198 | case ProcedureCode_id_UERegister: /* 8.4 */ |
| 199 | rc = hnbgw_rx_ue_register_req(hnb, &imsg->value); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 200 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 201 | case ProcedureCode_id_UEDe_Register: /* 8.5 */ |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 202 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 203 | case ProcedureCode_id_ErrorIndication: /* 8.6 */ |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame] | 204 | rc = hnbgw_rx_err_ind(hnb, &imsg->value); |
| 205 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 206 | case ProcedureCode_id_TNLUpdate: /* 8.9 */ |
| 207 | case ProcedureCode_id_HNBConfigTransfer: /* 8.10 */ |
| 208 | case ProcedureCode_id_RelocationComplete: /* 8.11 */ |
| 209 | case ProcedureCode_id_U_RNTIQuery: /* 8.12 */ |
| 210 | case ProcedureCode_id_privateMessage: |
Harald Welte | 1d2c39d | 2015-09-11 17:49:37 +0200 | [diff] [blame] | 211 | LOGP(DMAIN, LOGL_NOTICE, "Unimplemented HNBAP Procedure %ld\n", |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame] | 212 | imsg->procedureCode); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 213 | break; |
| 214 | default: |
Harald Welte | 1d2c39d | 2015-09-11 17:49:37 +0200 | [diff] [blame] | 215 | LOGP(DMAIN, LOGL_NOTICE, "Unknown HNBAP Procedure %ld\n", |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame] | 216 | imsg->procedureCode); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 217 | break; |
| 218 | } |
| 219 | } |
| 220 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 221 | static int hnbgw_rx_successful_outcome_msg(struct hnb_context *hnb, SuccessfulOutcome_t *msg) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 222 | { |
| 223 | |
| 224 | } |
| 225 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 226 | static int hnbgw_rx_unsuccessful_outcome_msg(struct hnb_context *hnb, UnsuccessfulOutcome_t *msg) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 227 | { |
| 228 | |
| 229 | } |
| 230 | |
| 231 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 232 | static int _hnbgw_hnbap_rx(struct hnb_context *hnb, HNBAP_PDU_t *pdu) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 233 | { |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 234 | int rc; |
| 235 | |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 236 | /* it's a bit odd that we can't dispatch on procedure code, but |
| 237 | * that's not possible */ |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 238 | switch (pdu->present) { |
| 239 | case HNBAP_PDU_PR_initiatingMessage: |
| 240 | rc = hnbgw_rx_initiating_msg(hnb, &pdu->choice.initiatingMessage); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 241 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 242 | case HNBAP_PDU_PR_successfulOutcome: |
| 243 | rc = hnbgw_rx_successful_outcome_msg(hnb, &pdu->choice.successfulOutcome); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 244 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 245 | case HNBAP_PDU_PR_unsuccessfulOutcome: |
| 246 | rc = hnbgw_rx_unsuccessful_outcome_msg(hnb, &pdu->choice.unsuccessfulOutcome); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 247 | break; |
| 248 | default: |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame] | 249 | LOGP(DMAIN, LOGL_NOTICE, "Unknown HNBAP Presence %u\n", |
| 250 | pdu->present); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 251 | return -1; |
| 252 | } |
| 253 | } |
| 254 | |
Harald Welte | a2e6a7a | 2015-08-29 21:47:39 +0200 | [diff] [blame] | 255 | int hnbgw_hnbap_rx(struct hnb_context *hnb, struct msgb *msg) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 256 | { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 257 | HNBAP_PDU_t _pdu, *pdu = &_pdu; |
| 258 | asn_dec_rval_t dec_ret; |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 259 | int rc; |
| 260 | |
| 261 | /* decode and handle to _hnbgw_hnbap_rx() */ |
| 262 | |
Harald Welte | 2204f9d | 2015-09-07 21:10:50 +0200 | [diff] [blame] | 263 | memset(pdu, 0, sizeof(*pdu)); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 264 | dec_ret = aper_decode(NULL, &asn_DEF_HNBAP_PDU, (void **) &pdu, |
| 265 | msg->data, msgb_length(msg), 0, 0); |
| 266 | if (dec_ret.code != RC_OK) { |
| 267 | LOGP(DMAIN, LOGL_ERROR, "Error in ASN.1 decode\n"); |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 268 | return rc; |
| 269 | } |
| 270 | |
| 271 | rc = _hnbgw_hnbap_rx(hnb, pdu); |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 272 | |
| 273 | return rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | |
| 277 | int hnbgw_hnbap_init(void) |
| 278 | { |
| 279 | |
| 280 | } |