1 /* 2 * The NFC Controller Interface is the communication protocol between an 3 * NFC Controller (NFCC) and a Device Host (DH). 4 * 5 * Copyright (C) 2014 Marvell International Ltd. 6 * Copyright (C) 2011 Texas Instruments, Inc. 7 * 8 * Written by Ilan Elias <ilane@ti.com> 9 * 10 * Acknowledgements: 11 * This file is based on hci.h, which was written 12 * by Maxim Krasnyansky. 13 * 14 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License version 2 16 * as published by the Free Software Foundation 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, see <http://www.gnu.org/licenses/>. 25 * 26 */ 27 28 #ifndef __NCI_H 29 #define __NCI_H 30 31 #include <net/nfc/nfc.h> 32 33 /* NCI constants */ 34 #define NCI_MAX_NUM_MAPPING_CONFIGS 10 35 #define NCI_MAX_NUM_RF_CONFIGS 10 36 #define NCI_MAX_NUM_CONN 10 37 #define NCI_MAX_PARAM_LEN 251 38 #define NCI_MAX_PACKET_SIZE 258 39 40 /* NCI Status Codes */ 41 #define NCI_STATUS_OK 0x00 42 #define NCI_STATUS_REJECTED 0x01 43 #define NCI_STATUS_RF_FRAME_CORRUPTED 0x02 44 #define NCI_STATUS_FAILED 0x03 45 #define NCI_STATUS_NOT_INITIALIZED 0x04 46 #define NCI_STATUS_SYNTAX_ERROR 0x05 47 #define NCI_STATUS_SEMANTIC_ERROR 0x06 48 #define NCI_STATUS_UNKNOWN_GID 0x07 49 #define NCI_STATUS_UNKNOWN_OID 0x08 50 #define NCI_STATUS_INVALID_PARAM 0x09 51 #define NCI_STATUS_MESSAGE_SIZE_EXCEEDED 0x0a 52 /* Discovery Specific Status Codes */ 53 #define NCI_STATUS_DISCOVERY_ALREADY_STARTED 0xa0 54 #define NCI_STATUS_DISCOVERY_TARGET_ACTIVATION_FAILED 0xa1 55 #define NCI_STATUS_DISCOVERY_TEAR_DOWN 0xa2 56 /* RF Interface Specific Status Codes */ 57 #define NCI_STATUS_RF_TRANSMISSION_ERROR 0xb0 58 #define NCI_STATUS_RF_PROTOCOL_ERROR 0xb1 59 #define NCI_STATUS_RF_TIMEOUT_ERROR 0xb2 60 /* NFCEE Interface Specific Status Codes */ 61 #define NCI_STATUS_NFCEE_INTERFACE_ACTIVATION_FAILED 0xc0 62 #define NCI_STATUS_NFCEE_TRANSMISSION_ERROR 0xc1 63 #define NCI_STATUS_NFCEE_PROTOCOL_ERROR 0xc2 64 #define NCI_STATUS_NFCEE_TIMEOUT_ERROR 0xc3 65 66 /* NFCEE Interface/Protocols */ 67 #define NCI_NFCEE_INTERFACE_APDU 0x00 68 #define NCI_NFCEE_INTERFACE_HCI_ACCESS 0x01 69 #define NCI_NFCEE_INTERFACE_TYPE3_CMD_SET 0x02 70 #define NCI_NFCEE_INTERFACE_TRANSPARENT 0x03 71 72 /* Destination type */ 73 #define NCI_DESTINATION_NFCC_LOOPBACK 0x01 74 #define NCI_DESTINATION_REMOTE_NFC_ENDPOINT 0x02 75 #define NCI_DESTINATION_NFCEE 0x03 76 77 /* Destination-specific parameters type */ 78 #define NCI_DESTINATION_SPECIFIC_PARAM_RF_TYPE 0x00 79 #define NCI_DESTINATION_SPECIFIC_PARAM_NFCEE_TYPE 0x01 80 81 /* NFCEE Discovery Action */ 82 #define NCI_NFCEE_DISCOVERY_ACTION_DISABLE 0x00 83 #define NCI_NFCEE_DISCOVERY_ACTION_ENABLE 0x01 84 85 /* NCI RF Technology and Mode */ 86 #define NCI_NFC_A_PASSIVE_POLL_MODE 0x00 87 #define NCI_NFC_B_PASSIVE_POLL_MODE 0x01 88 #define NCI_NFC_F_PASSIVE_POLL_MODE 0x02 89 #define NCI_NFC_A_ACTIVE_POLL_MODE 0x03 90 #define NCI_NFC_F_ACTIVE_POLL_MODE 0x05 91 #define NCI_NFC_V_PASSIVE_POLL_MODE 0x06 92 #define NCI_NFC_A_PASSIVE_LISTEN_MODE 0x80 93 #define NCI_NFC_B_PASSIVE_LISTEN_MODE 0x81 94 #define NCI_NFC_F_PASSIVE_LISTEN_MODE 0x82 95 #define NCI_NFC_A_ACTIVE_LISTEN_MODE 0x83 96 #define NCI_NFC_F_ACTIVE_LISTEN_MODE 0x85 97 98 #define NCI_RF_TECH_MODE_LISTEN_MASK 0x80 99 100 /* NCI RF Technologies */ 101 #define NCI_NFC_RF_TECHNOLOGY_A 0x00 102 #define NCI_NFC_RF_TECHNOLOGY_B 0x01 103 #define NCI_NFC_RF_TECHNOLOGY_F 0x02 104 #define NCI_NFC_RF_TECHNOLOGY_V 0x03 105 106 /* NCI Bit Rates */ 107 #define NCI_NFC_BIT_RATE_106 0x00 108 #define NCI_NFC_BIT_RATE_212 0x01 109 #define NCI_NFC_BIT_RATE_424 0x02 110 #define NCI_NFC_BIT_RATE_848 0x03 111 #define NCI_NFC_BIT_RATE_1695 0x04 112 #define NCI_NFC_BIT_RATE_3390 0x05 113 #define NCI_NFC_BIT_RATE_6780 0x06 114 #define NCI_NFC_BIT_RATE_26 0x20 115 116 /* NCI RF Protocols */ 117 #define NCI_RF_PROTOCOL_UNKNOWN 0x00 118 #define NCI_RF_PROTOCOL_T1T 0x01 119 #define NCI_RF_PROTOCOL_T2T 0x02 120 #define NCI_RF_PROTOCOL_T3T 0x03 121 #define NCI_RF_PROTOCOL_ISO_DEP 0x04 122 #define NCI_RF_PROTOCOL_NFC_DEP 0x05 123 #define NCI_RF_PROTOCOL_T5T 0x06 124 125 /* NCI RF Interfaces */ 126 #define NCI_RF_INTERFACE_NFCEE_DIRECT 0x00 127 #define NCI_RF_INTERFACE_FRAME 0x01 128 #define NCI_RF_INTERFACE_ISO_DEP 0x02 129 #define NCI_RF_INTERFACE_NFC_DEP 0x03 130 131 /* NCI Configuration Parameter Tags */ 132 #define NCI_PN_ATR_REQ_GEN_BYTES 0x29 133 #define NCI_LN_ATR_RES_GEN_BYTES 0x61 134 #define NCI_LA_SEL_INFO 0x32 135 #define NCI_LF_PROTOCOL_TYPE 0x50 136 #define NCI_LF_CON_BITR_F 0x54 137 138 /* NCI Configuration Parameters masks */ 139 #define NCI_LA_SEL_INFO_ISO_DEP_MASK 0x20 140 #define NCI_LA_SEL_INFO_NFC_DEP_MASK 0x40 141 #define NCI_LF_PROTOCOL_TYPE_NFC_DEP_MASK 0x02 142 #define NCI_LF_CON_BITR_F_212 0x02 143 #define NCI_LF_CON_BITR_F_424 0x04 144 145 /* NCI Reset types */ 146 #define NCI_RESET_TYPE_KEEP_CONFIG 0x00 147 #define NCI_RESET_TYPE_RESET_CONFIG 0x01 148 149 /* NCI Static RF connection ID */ 150 #define NCI_STATIC_RF_CONN_ID 0x00 151 152 /* NCI Data Flow Control */ 153 #define NCI_DATA_FLOW_CONTROL_NOT_USED 0xff 154 155 /* NCI RF_DISCOVER_MAP_CMD modes */ 156 #define NCI_DISC_MAP_MODE_POLL 0x01 157 #define NCI_DISC_MAP_MODE_LISTEN 0x02 158 159 /* NCI Discover Notification Type */ 160 #define NCI_DISCOVER_NTF_TYPE_LAST 0x00 161 #define NCI_DISCOVER_NTF_TYPE_LAST_NFCC 0x01 162 #define NCI_DISCOVER_NTF_TYPE_MORE 0x02 163 164 /* NCI Deactivation Type */ 165 #define NCI_DEACTIVATE_TYPE_IDLE_MODE 0x00 166 #define NCI_DEACTIVATE_TYPE_SLEEP_MODE 0x01 167 #define NCI_DEACTIVATE_TYPE_SLEEP_AF_MODE 0x02 168 #define NCI_DEACTIVATE_TYPE_DISCOVERY 0x03 169 170 /* Message Type (MT) */ 171 #define NCI_MT_DATA_PKT 0x00 172 #define NCI_MT_CMD_PKT 0x01 173 #define NCI_MT_RSP_PKT 0x02 174 #define NCI_MT_NTF_PKT 0x03 175 176 #define nci_mt(hdr) (((hdr)[0]>>5)&0x07) 177 #define nci_mt_set(hdr, mt) ((hdr)[0] |= (__u8)(((mt)&0x07)<<5)) 178 179 /* Packet Boundary Flag (PBF) */ 180 #define NCI_PBF_LAST 0x00 181 #define NCI_PBF_CONT 0x01 182 183 #define nci_pbf(hdr) (__u8)(((hdr)[0]>>4)&0x01) 184 #define nci_pbf_set(hdr, pbf) ((hdr)[0] |= (__u8)(((pbf)&0x01)<<4)) 185 186 /* Control Opcode manipulation */ 187 #define nci_opcode_pack(gid, oid) (__u16)((((__u16)((gid)&0x0f))<<8)|\ 188 ((__u16)((oid)&0x3f))) 189 #define nci_opcode(hdr) nci_opcode_pack(hdr[0], hdr[1]) 190 #define nci_opcode_gid(op) (__u8)(((op)&0x0f00)>>8) 191 #define nci_opcode_oid(op) (__u8)((op)&0x003f) 192 193 /* Payload Length */ 194 #define nci_plen(hdr) (__u8)((hdr)[2]) 195 196 /* Connection ID */ 197 #define nci_conn_id(hdr) (__u8)(((hdr)[0])&0x0f) 198 199 /* GID values */ 200 #define NCI_GID_CORE 0x0 201 #define NCI_GID_RF_MGMT 0x1 202 #define NCI_GID_NFCEE_MGMT 0x2 203 #define NCI_GID_PROPRIETARY 0xf 204 205 /* ----- NCI over SPI head/crc(tail) room needed for outgoing frames ----- */ 206 #define NCI_SPI_HDR_LEN 4 207 #define NCI_SPI_CRC_LEN 2 208 209 /* ---- NCI Packet structures ---- */ 210 #define NCI_CTRL_HDR_SIZE 3 211 #define NCI_DATA_HDR_SIZE 3 212 213 struct nci_ctrl_hdr { 214 __u8 gid; /* MT & PBF & GID */ 215 __u8 oid; 216 __u8 plen; 217 } __packed; 218 219 struct nci_data_hdr { 220 __u8 conn_id; /* MT & PBF & ConnID */ 221 __u8 rfu; 222 __u8 plen; 223 } __packed; 224 225 /* ------------------------ */ 226 /* ----- NCI Commands ---- */ 227 /* ------------------------ */ 228 #define NCI_OP_CORE_RESET_CMD nci_opcode_pack(NCI_GID_CORE, 0x00) 229 struct nci_core_reset_cmd { 230 __u8 reset_type; 231 } __packed; 232 233 #define NCI_OP_CORE_INIT_CMD nci_opcode_pack(NCI_GID_CORE, 0x01) 234 235 #define NCI_OP_CORE_SET_CONFIG_CMD nci_opcode_pack(NCI_GID_CORE, 0x02) 236 struct set_config_param { 237 __u8 id; 238 __u8 len; 239 __u8 val[NCI_MAX_PARAM_LEN]; 240 } __packed; 241 242 struct nci_core_set_config_cmd { 243 __u8 num_params; 244 struct set_config_param param; /* support 1 param per cmd is enough */ 245 } __packed; 246 247 #define NCI_OP_CORE_CONN_CREATE_CMD nci_opcode_pack(NCI_GID_CORE, 0x04) 248 #define DEST_SPEC_PARAMS_ID_INDEX 0 249 #define DEST_SPEC_PARAMS_PROTOCOL_INDEX 1 250 struct dest_spec_params { 251 __u8 id; 252 __u8 protocol; 253 } __packed; 254 255 struct core_conn_create_dest_spec_params { 256 __u8 type; 257 __u8 length; 258 __u8 value[0]; 259 } __packed; 260 261 struct nci_core_conn_create_cmd { 262 __u8 destination_type; 263 __u8 number_destination_params; 264 struct core_conn_create_dest_spec_params params[0]; 265 } __packed; 266 267 #define NCI_OP_CORE_CONN_CLOSE_CMD nci_opcode_pack(NCI_GID_CORE, 0x05) 268 269 #define NCI_OP_RF_DISCOVER_MAP_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x00) 270 struct disc_map_config { 271 __u8 rf_protocol; 272 __u8 mode; 273 __u8 rf_interface; 274 } __packed; 275 276 struct nci_rf_disc_map_cmd { 277 __u8 num_mapping_configs; 278 struct disc_map_config mapping_configs 279 [NCI_MAX_NUM_MAPPING_CONFIGS]; 280 } __packed; 281 282 #define NCI_OP_RF_DISCOVER_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x03) 283 struct disc_config { 284 __u8 rf_tech_and_mode; 285 __u8 frequency; 286 } __packed; 287 288 struct nci_rf_disc_cmd { 289 __u8 num_disc_configs; 290 struct disc_config disc_configs[NCI_MAX_NUM_RF_CONFIGS]; 291 } __packed; 292 293 #define NCI_OP_RF_DISCOVER_SELECT_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x04) 294 struct nci_rf_discover_select_cmd { 295 __u8 rf_discovery_id; 296 __u8 rf_protocol; 297 __u8 rf_interface; 298 } __packed; 299 300 #define NCI_OP_RF_DEACTIVATE_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x06) 301 struct nci_rf_deactivate_cmd { 302 __u8 type; 303 } __packed; 304 305 #define NCI_OP_NFCEE_DISCOVER_CMD nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x00) 306 struct nci_nfcee_discover_cmd { 307 __u8 discovery_action; 308 } __packed; 309 310 #define NCI_OP_NFCEE_MODE_SET_CMD nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x01) 311 #define NCI_NFCEE_DISABLE 0x00 312 #define NCI_NFCEE_ENABLE 0x01 313 struct nci_nfcee_mode_set_cmd { 314 __u8 nfcee_id; 315 __u8 nfcee_mode; 316 } __packed; 317 318 /* ----------------------- */ 319 /* ---- NCI Responses ---- */ 320 /* ----------------------- */ 321 #define NCI_OP_CORE_RESET_RSP nci_opcode_pack(NCI_GID_CORE, 0x00) 322 struct nci_core_reset_rsp { 323 __u8 status; 324 __u8 nci_ver; 325 __u8 config_status; 326 } __packed; 327 328 #define NCI_OP_CORE_INIT_RSP nci_opcode_pack(NCI_GID_CORE, 0x01) 329 struct nci_core_init_rsp_1 { 330 __u8 status; 331 __le32 nfcc_features; 332 __u8 num_supported_rf_interfaces; 333 __u8 supported_rf_interfaces[0]; /* variable size array */ 334 /* continuted in nci_core_init_rsp_2 */ 335 } __packed; 336 337 struct nci_core_init_rsp_2 { 338 __u8 max_logical_connections; 339 __le16 max_routing_table_size; 340 __u8 max_ctrl_pkt_payload_len; 341 __le16 max_size_for_large_params; 342 __u8 manufact_id; 343 __le32 manufact_specific_info; 344 } __packed; 345 346 #define NCI_OP_CORE_SET_CONFIG_RSP nci_opcode_pack(NCI_GID_CORE, 0x02) 347 struct nci_core_set_config_rsp { 348 __u8 status; 349 __u8 num_params; 350 __u8 params_id[0]; /* variable size array */ 351 } __packed; 352 353 #define NCI_OP_CORE_CONN_CREATE_RSP nci_opcode_pack(NCI_GID_CORE, 0x04) 354 struct nci_core_conn_create_rsp { 355 __u8 status; 356 __u8 max_ctrl_pkt_payload_len; 357 __u8 credits_cnt; 358 __u8 conn_id; 359 } __packed; 360 361 #define NCI_OP_CORE_CONN_CLOSE_RSP nci_opcode_pack(NCI_GID_CORE, 0x05) 362 363 #define NCI_OP_RF_DISCOVER_MAP_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x00) 364 365 #define NCI_OP_RF_DISCOVER_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x03) 366 367 #define NCI_OP_RF_DISCOVER_SELECT_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x04) 368 369 #define NCI_OP_RF_DEACTIVATE_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x06) 370 371 #define NCI_OP_NFCEE_DISCOVER_RSP nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x00) 372 struct nci_nfcee_discover_rsp { 373 __u8 status; 374 __u8 num_nfcee; 375 } __packed; 376 377 #define NCI_OP_NFCEE_MODE_SET_RSP nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x01) 378 /* --------------------------- */ 379 /* ---- NCI Notifications ---- */ 380 /* --------------------------- */ 381 #define NCI_OP_CORE_CONN_CREDITS_NTF nci_opcode_pack(NCI_GID_CORE, 0x06) 382 struct conn_credit_entry { 383 __u8 conn_id; 384 __u8 credits; 385 } __packed; 386 387 struct nci_core_conn_credit_ntf { 388 __u8 num_entries; 389 struct conn_credit_entry conn_entries[NCI_MAX_NUM_CONN]; 390 } __packed; 391 392 #define NCI_OP_CORE_GENERIC_ERROR_NTF nci_opcode_pack(NCI_GID_CORE, 0x07) 393 394 #define NCI_OP_CORE_INTF_ERROR_NTF nci_opcode_pack(NCI_GID_CORE, 0x08) 395 struct nci_core_intf_error_ntf { 396 __u8 status; 397 __u8 conn_id; 398 } __packed; 399 400 #define NCI_OP_RF_DISCOVER_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x03) 401 struct rf_tech_specific_params_nfca_poll { 402 __u16 sens_res; 403 __u8 nfcid1_len; /* 0, 4, 7, or 10 Bytes */ 404 __u8 nfcid1[NFC_NFCID1_MAXSIZE]; 405 __u8 sel_res_len; /* 0 or 1 Bytes */ 406 __u8 sel_res; 407 } __packed; 408 409 struct rf_tech_specific_params_nfcb_poll { 410 __u8 sensb_res_len; 411 __u8 sensb_res[NFC_SENSB_RES_MAXSIZE]; /* 11 or 12 Bytes */ 412 } __packed; 413 414 struct rf_tech_specific_params_nfcf_poll { 415 __u8 bit_rate; 416 __u8 sensf_res_len; 417 __u8 sensf_res[NFC_SENSF_RES_MAXSIZE]; /* 16 or 18 Bytes */ 418 } __packed; 419 420 struct rf_tech_specific_params_nfcv_poll { 421 __u8 res_flags; 422 __u8 dsfid; 423 __u8 uid[NFC_ISO15693_UID_MAXSIZE]; /* 8 Bytes */ 424 } __packed; 425 426 struct rf_tech_specific_params_nfcf_listen { 427 __u8 local_nfcid2_len; 428 __u8 local_nfcid2[NFC_NFCID2_MAXSIZE]; /* 0 or 8 Bytes */ 429 } __packed; 430 431 struct nci_rf_discover_ntf { 432 __u8 rf_discovery_id; 433 __u8 rf_protocol; 434 __u8 rf_tech_and_mode; 435 __u8 rf_tech_specific_params_len; 436 437 union { 438 struct rf_tech_specific_params_nfca_poll nfca_poll; 439 struct rf_tech_specific_params_nfcb_poll nfcb_poll; 440 struct rf_tech_specific_params_nfcf_poll nfcf_poll; 441 struct rf_tech_specific_params_nfcv_poll nfcv_poll; 442 } rf_tech_specific_params; 443 444 __u8 ntf_type; 445 } __packed; 446 447 #define NCI_OP_RF_INTF_ACTIVATED_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x05) 448 struct activation_params_nfca_poll_iso_dep { 449 __u8 rats_res_len; 450 __u8 rats_res[20]; 451 }; 452 453 struct activation_params_nfcb_poll_iso_dep { 454 __u8 attrib_res_len; 455 __u8 attrib_res[50]; 456 }; 457 458 struct activation_params_poll_nfc_dep { 459 __u8 atr_res_len; 460 __u8 atr_res[NFC_ATR_RES_MAXSIZE - 2]; /* ATR_RES from byte 3 */ 461 }; 462 463 struct activation_params_listen_nfc_dep { 464 __u8 atr_req_len; 465 __u8 atr_req[NFC_ATR_REQ_MAXSIZE - 2]; /* ATR_REQ from byte 3 */ 466 }; 467 468 struct nci_rf_intf_activated_ntf { 469 __u8 rf_discovery_id; 470 __u8 rf_interface; 471 __u8 rf_protocol; 472 __u8 activation_rf_tech_and_mode; 473 __u8 max_data_pkt_payload_size; 474 __u8 initial_num_credits; 475 __u8 rf_tech_specific_params_len; 476 477 union { 478 struct rf_tech_specific_params_nfca_poll nfca_poll; 479 struct rf_tech_specific_params_nfcb_poll nfcb_poll; 480 struct rf_tech_specific_params_nfcf_poll nfcf_poll; 481 struct rf_tech_specific_params_nfcv_poll nfcv_poll; 482 struct rf_tech_specific_params_nfcf_listen nfcf_listen; 483 } rf_tech_specific_params; 484 485 __u8 data_exch_rf_tech_and_mode; 486 __u8 data_exch_tx_bit_rate; 487 __u8 data_exch_rx_bit_rate; 488 __u8 activation_params_len; 489 490 union { 491 struct activation_params_nfca_poll_iso_dep nfca_poll_iso_dep; 492 struct activation_params_nfcb_poll_iso_dep nfcb_poll_iso_dep; 493 struct activation_params_poll_nfc_dep poll_nfc_dep; 494 struct activation_params_listen_nfc_dep listen_nfc_dep; 495 } activation_params; 496 497 } __packed; 498 499 #define NCI_OP_RF_DEACTIVATE_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x06) 500 struct nci_rf_deactivate_ntf { 501 __u8 type; 502 __u8 reason; 503 } __packed; 504 505 #define NCI_OP_RF_NFCEE_ACTION_NTF nci_opcode_pack(NCI_GID_RF_MGMT, 0x09) 506 struct nci_rf_nfcee_action_ntf { 507 __u8 nfcee_id; 508 __u8 trigger; 509 __u8 supported_data_length; 510 __u8 supported_data[0]; 511 } __packed; 512 513 #define NCI_OP_NFCEE_DISCOVER_NTF nci_opcode_pack(NCI_GID_NFCEE_MGMT, 0x00) 514 struct nci_nfcee_supported_protocol { 515 __u8 num_protocol; 516 __u8 supported_protocol[0]; 517 } __packed; 518 519 struct nci_nfcee_information_tlv { 520 __u8 num_tlv; 521 __u8 information_tlv[0]; 522 } __packed; 523 524 struct nci_nfcee_discover_ntf { 525 __u8 nfcee_id; 526 __u8 nfcee_status; 527 struct nci_nfcee_supported_protocol supported_protocols; 528 struct nci_nfcee_information_tlv information_tlv; 529 } __packed; 530 531 #endif /* __NCI_H */ 532