1 /* $NetBSD: awireg.h,v 1.2 1999/11/05 05:13:36 sommerfeld Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Bill Sommerfeld 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * The firmware typically loaded onto Am79C930-based 802.11 interfaces 41 * uses a 32k or larger shared memory buffer to communicate with the 42 * host. 43 * 44 * Depending on the exact configuration of the device, this buffer may 45 * either be mapped into PCMCIA memory space, or accessible a byte at 46 * a type through PCMCIA I/O space. 47 * 48 * This header defines offsets into this shared memory. 49 */ 50 51 52 /* 53 * LAST_TXD block. 5 32-bit words. 54 * 55 * There are five different output queues; this defines pointers to 56 * the last completed descriptor for each one. 57 */ 58 #define AWI_LAST_TXD 0x3ec /* last completed Tx Descr */ 59 60 #define AWI_LAST_BCAST_TXD AWI_LAST_TXD+0 61 #define AWI_LAST_MGT_TXD AWI_LAST_TXD+4 62 #define AWI_LAST_DATA_TXD AWI_LAST_TXD+8 63 #define AWI_LAST_PS_POLL_TXD AWI_LAST_TXD+12 64 #define AWI_LAST_CF_POLL_TXD AWI_LAST_TXD+16 65 66 /* 67 * Banner block; null-terminated string. 68 * 69 * The doc says it contains 70 * "PCnetMobile:v2.00 mmddyy APIx.x\0" 71 */ 72 73 #define AWI_BANNER 0x480 /* Version string */ 74 #define AWI_BANNER_LEN 0x20 75 76 /* 77 * Command block protocol: 78 * write command byte to a zero value. 79 * write command status to a zero value. 80 * write arguments to AWI_COMMAND_PARAMS 81 * write command byte to a non-zero value. 82 * wait for command status to be non-zero. 83 * write command byte to a zero value. 84 * write command status to a zero value. 85 */ 86 87 #define AWI_CMD 0x4a0 /* Command opcode byte */ 88 89 #define AWI_CMD_IDLE 0x0 90 #define AWI_CMD_NOP 0x1 91 92 #define AWI_CMD_SET_MIB 0x2 93 #define AWI_CMD_GET_MIB 0x9 94 95 #define AWI_CA_MIB_TYPE 0x0 96 #define AWI_CA_MIB_SIZE 0x1 97 #define AWI_CA_MIB_INDEX 0x2 98 #define AWI_CA_MIB_DATA 0x4 99 100 #define AWI_MIB_LOCAL 0x0 101 #define AWI_MIB_MAC_ADDR 0x2 102 #define AWI_MIB_MAC 0x3 103 #define AWI_MIB_MAC_STAT 0x4 104 #define AWI_MIB_MAC_MGT 0x5 105 #define AWI_MIB_DRVR_MAC 0x6 106 #define AWI_MIB_PHY 0x7 107 108 #define AWI_MIB_LAST AWI_MIB_PHY 109 110 111 #define AWI_CMD_INIT_TX 0x3 112 113 #define AWI_CA_TX_LEN 0x14 114 #define AWI_CA_TX_DATA 0x0 115 #define AWI_CA_TX_MGT 0x4 116 #define AWI_CA_TX_BCAST 0x8 117 #define AWI_CA_TX_PS 0xc 118 #define AWI_CA_TX_CF 0x10 119 120 #define AWI_CMD_FLUSH_TX 0x4 121 122 #define AWI_CA_FTX_LEN 0x5 123 #define AWI_CA_FTX_DATA 0x0 124 #define AWI_CA_FTX_MGT 0x1 125 #define AWI_CA_FTX_BCAST 0x2 126 #define AWI_CA_FTX_PS 0x3 127 #define AWI_CA_FTX_CF 0x4 128 129 #define AWI_CMD_INIT_RX 0x5 130 #define AWI_CA_IRX_LEN 0x8 131 #define AWI_CA_IRX_DATA_DESC 0x0 /* return */ 132 #define AWI_CA_IRX_PS_DESC 0x4 /* return */ 133 134 #define AWI_CMD_KILL_RX 0x6 135 136 #define AWI_CMD_SLEEP 0x7 137 #define AWI_CA_SLEEP_LEN 0x8 138 #define AWI_CA_WAKEUP 0x0 /* uint64 */ 139 140 #define AWI_CMD_WAKE 0x8 141 142 #define AWI_CMD_SCAN 0xa 143 #define AWI_CA_SCAN_LEN 0x6 144 #define AWI_CA_SCAN_DURATION 0x0 145 #define AWI_CA_SCAN_SET 0x2 146 #define AWI_CA_SCAN_PATTERN 0x3 147 #define AWI_CA_SCAN_IDX 0x4 148 #define AWI_CA_SCAN_SUSP 0x5 149 150 #define AWI_CMD_SYNC 0xb 151 #define AWI_CA_SYNC_LEN 0x14 152 #define AWI_CA_SYNC_SET 0x0 153 #define AWI_CA_SYNC_PATTERN 0x1 154 #define AWI_CA_SYNC_IDX 0x2 155 #define AWI_CA_SYNC_STARTBSS 0x3 156 #define AWI_CA_SYNC_DWELL 0x4 157 #define AWI_CA_SYNC_MBZ 0x6 158 #define AWI_CA_SYNC_TIMESTAMP 0x8 159 #define AWI_CA_SYNC_REFTIME 0x10 160 161 #define AWI_CMD_RESUME 0xc 162 163 #define AWI_CMD_STATUS 0x4a1 /* Command status */ 164 165 #define AWI_STAT_IDLE 0x0 166 #define AWI_STAT_OK 0x1 167 #define AWI_STAT_BADCMD 0x2 168 #define AWI_STAT_BADPARM 0x3 169 #define AWI_STAT_NOTIMP 0x4 170 #define AWI_STAT_BADRES 0x5 171 #define AWI_STAT_BADMODE 0x6 172 173 #define AWI_ERROR_OFFSET 0x4a2 /* Offset to erroneous parameter */ 174 #define AWI_CMD_PARAMS 0x4a4 /* Command parameters */ 175 176 #define AWI_CSB 0x4f0 /* Control/Status block */ 177 178 #define AWI_SELFTEST 0x4f0 179 180 #define AWI_SELFTEST_INIT 0x00 /* initial */ 181 #define AWI_SELFTEST_FIRMCKSUM 0x01 /* firmware cksum running */ 182 #define AWI_SELFTEST_HARDWARE 0x02 /* hardware tests running */ 183 #define AWI_SELFTEST_MIB 0x03 /* mib initializing */ 184 185 #define AWI_SELFTEST_MIB_FAIL 0xfa 186 #define AWI_SELFTEST_RADIO_FAIL 0xfb 187 #define AWI_SELFTEST_MAC_FAIL 0xfc 188 #define AWI_SELFTEST_FLASH_FAIL 0xfd 189 #define AWI_SELFTEST_RAM_FAIL 0xfe 190 #define AWI_SELFTEST_PASSED 0xff 191 192 #define AWI_STA_STATE 0x4f1 193 194 #define AWI_STA_AP 0x20 /* acting as AP */ 195 #define AWI_STA_NOPSP 0x10 /* Power Saving disabled */ 196 #define AWI_STA_DOZE 0x08 /* about to go to sleep */ 197 #define AWI_STA_PSP 0x04 /* enable PSP */ 198 #define AWI_STA_RXEN 0x02 /* enable RX */ 199 #define AWI_STA_TXEN 0x01 /* enable TX */ 200 201 #define AWI_INTSTAT 0x4f3 202 #define AWI_INTMASK 0x4f4 203 204 /* Bits in AWI_INTSTAT/AWI_INTMASK */ 205 206 #define AWI_INT_GROGGY 0x80 /* about to wake up */ 207 #define AWI_INT_CFP_ENDING 0x40 /* cont. free period ending */ 208 #define AWI_INT_DTIM 0x20 /* beacon outgoing */ 209 #define AWI_INT_CFP_START 0x10 /* cont. free period starting */ 210 #define AWI_INT_SCAN_CMPLT 0x08 /* scan complete */ 211 #define AWI_INT_TX 0x04 /* tx done */ 212 #define AWI_INT_RX 0x02 /* rx done */ 213 #define AWI_INT_CMD 0x01 /* cmd done */ 214 215 #define AWI_INT_BITS "\20\1CMD\2RX\3TX\4SCAN\5CFPST\6DTIM\7CFPE\10GROGGY" 216 217 /* 218 * The following are used to implement a locking protocol between host 219 * and MAC to protect the interrupt status and mask fields. 220 * 221 * driver: read lockout_host byte; if zero, set lockout_mac to non-zero, 222 * then reread lockout_host byte; if still zero, host has lock. 223 * if non-zero, clear lockout_mac, loop. 224 */ 225 226 #define AWI_LOCKOUT_MAC 0x4f5 227 #define AWI_LOCKOUT_HOST 0x4f6 228 229 230 #define AWI_INTSTAT2 0x4f7 231 #define AWI_INTMASK2 0x4fd 232 233 /* Bits in AWI_INTSTAT2/INTMASK2 */ 234 #define AWI_INT2_RXMGT 0x80 /* mgt/ps recieved */ 235 #define AWI_INT2_RXDATA 0x40 /* data received */ 236 #define AWI_INT2_TXMGT 0x10 /* mgt tx done */ 237 #define AWI_INT2_TXCF 0x08f /* CF tx done */ 238 #define AWI_INT2_TXPS 0x04 /* PS tx done */ 239 #define AWI_INT2_TXBCAST 0x02 /* Broadcast tx done */ 240 #define AWI_INT2_TXDATA 0x01 /* data tx done */ 241 242 #define AWI_DIS_PWRDN 0x4fc /* disable powerdown if set */ 243 244 #define AWI_DRIVERSTATE 0x4fe /* driver state */ 245 246 #define AWI_DRV_STATEMASK 0x0f 247 248 #define AWI_DRV_RESET 0x0 249 #define AWI_DRV_INFSY 0x1 /* inf synced */ 250 #define AWI_DRV_ADHSC 0x2 /* adhoc scan */ 251 #define AWI_DRV_ADHSY 0x3 /* adhoc synced */ 252 #define AWI_DRV_INFSC 0x4 /* inf scanning */ 253 #define AWI_DRV_INFAUTH 0x5 /* inf authed */ 254 #define AWI_DRV_INFASSOC 0x6 /* inf associated */ 255 #define AWI_DRV_INFTOSS 0x7 /* inf handoff */ 256 #define AWI_DRV_APNONE 0x8 /* AP activity: no assoc */ 257 #define AWI_DRV_APQUIET 0xc /* AP: >=one assoc, no traffic */ 258 #define AWI_DRV_APLO 0xd /* AP: >=one assoc, light tfc */ 259 #define AWI_DRV_APMED 0xe /* AP: >=one assoc, mod tfc */ 260 #define AWI_DRV_APHIGH 0xf /* AP: >=one assoc, heavy tfc */ 261 262 #define AWI_DRV_AUTORXLED 0x10 263 #define AWI_DRV_AUTOTXLED 0x20 264 #define AWI_DRV_RXLED 0x40 265 #define AWI_DRV_TXLED 0x80 266 267 #define AWI_VBM 0x500 /* Virtual Bit Map */ 268 269 #define AWI_BUFFERS 0x600 /* Buffers */ 270 271 /* 272 * Receive descriptors; there are a linked list of these chained 273 * through the "NEXT" fields, starting from XXX 274 */ 275 276 #define AWI_RXD_SIZE 0x18 277 278 #define AWI_RXD_NEXT 0x4 279 #define AWI_RXD_NEXT_LAST 0x80000000 280 281 282 #define AWI_RXD_HOST_DESC_STATE 0x9 283 284 #define AWI_RXD_ST_OWN 0x80 /* host owns this */ 285 #define AWI_RXD_ST_CONSUMED 0x40 /* host is done */ 286 #define AWI_RXD_ST_LF 0x20 /* last frag */ 287 #define AWI_RXD_ST_CRC 0x08 /* CRC error */ 288 #define AWI_RXD_ST_OFLO 0x02 /* possible buffer overrun */ 289 #define AWI_RXD_ST_RXERROR 0x01 /* this frame is borked; discard me */ 290 291 #define AWI_RXD_ST_BITS "\20\1ERROR\2OVERRUN\4CRC\6LF\7CONSUMED\10OWN" 292 293 #define AWI_RXD_RSSI 0xa /* 1 byte: radio strength indicator */ 294 #define AWI_RXD_INDEX 0xb /* 1 byte: FH hop index or DS channel */ 295 #define AWI_RXD_LOCALTIME 0xc /* 4 bytes: local time of RX */ 296 #define AWI_RXD_START_FRAME 0x10 /* 4 bytes: ptr to first received byte */ 297 #define AWI_RXD_LEN 0x14 /* 2 bytes: rx len in bytes */ 298 #define AWI_RXD_RATE 0x16 /* 1 byte: rx rate in 1e5 bps */ 299 300 /* 301 * Transmit descriptors. 302 */ 303 304 #define AWI_TXD_SIZE 0x18 305 306 #define AWI_TXD_START 0x00 /* pointer to start of frame */ 307 #define AWI_TXD_NEXT 0x04 /* pointer to next TXD */ 308 #define AWI_TXD_LENGTH 0x08 /* length of frame */ 309 #define AWI_TXD_STATE 0x0a /* state */ 310 311 #define AWI_TXD_ST_OWN 0x80 /* MAC owns this */ 312 #define AWI_TXD_ST_DONE 0x40 /* MAC is done */ 313 #define AWI_TXD_ST_REJ 0x20 /* MAC doesn't like */ 314 #define AWI_TXD_ST_MSDU 0x10 /* MSDU timeout */ 315 #define AWI_TXD_ST_ABRT 0x08 /* TX aborted */ 316 #define AWI_TXD_ST_RETURNED 0x04 /* TX returned */ 317 #define AWI_TXD_ST_RETRY 0x02 /* TX retries exceeded */ 318 #define AWI_TXD_ST_ERROR 0x01 /* TX error */ 319 320 #define AWI_TXD_RATE 0x0b /* rate */ 321 322 #define AWI_RATE_1MBIT 10 323 #define AWI_RATE_2MBIT 20 324 325 #define AWI_TXD_NDA 0x0c /* num DIFS attempts */ 326 #define AWI_TXD_NDF 0x0d /* num DIFS failures */ 327 #define AWI_TXD_NSA 0x0e /* num SIFS attempts */ 328 #define AWI_TXD_NSF 0x0f /* num SIFS failures */ 329 330 #define AWI_TXD_NRA 0x14 /* num RTS attempts */ 331 #define AWI_TXD_NDTA 0x15 /* num data attempts */ 332 #define AWI_TXD_CTL 0x16 /* control */ 333 334 #define AWI_TXD_CTL_PSN 0x80 /* preserve sequence in MAC frame */ 335 #define AWI_TXD_CTL_BURST 0x02 /* host is doing 802.11 fragmt. */ 336 #define AWI_TXD_CTL_FRAGS 0x01 /* override normal fragmentation */ 337 338 /* 339 * MIB structures. 340 */ 341 342 /* 343 * MIB 0: Local MIB 344 */ 345 346 #define AWI_MIB_LOCAL_NOFRAG 0 347 #define AWI_MIB_LOCAL_NOPLCP 1 348 #define AWI_MIB_LOCAL_MACPRES 2 349 #define AWI_MIB_LOCAL_RXMGTQ 3 350 #define AWI_MIB_LOCAL_NOREASM 4 351 #define AWI_MIB_LOCAL_NOSTRIPPLCP 5 352 #define AWI_MIB_LOCAL_NORXERROR 6 353 #define AWI_MIB_LOCAL_NOPWRSAVE 7 354 355 #define AWI_MIB_LOCAL_FILTMULTI 8 356 #define AWI_MIB_LOCAL_NOSEQCHECK 9 357 #define AWI_MIB_LOCAL_CFPENDFLUSHCFPQ 10 358 #define AWI_MIB_LOCAL_INFRA_MODE 11 359 #define AWI_MIB_LOCAL_PWD_LEVEL 12 360 #define AWI_MIB_LOCAL_CFPMODE 13 361 362 #define AWI_MIB_LOCAL_TXB_OFFSET 14 363 #define AWI_MIB_LOCAL_TXB_SIZE 18 364 #define AWI_MIB_LOCAL_RXB_OFFSET 22 365 #define AWI_MIB_LOCAL_RXB_SIZE 26 366 367 #define AWI_MIB_LOCAL_ACTING_AS_AP 30 368 #define AWI_MIB_LOCAL_FILL_CFP 31 369 #define AWI_MIB_LOCAL_SIZE 32 370 371 /* 372 * MAC mib 373 */ 374 375 #define AWI_MIB_MAC_RTS_THRESH 4 /* 2 bytes */ 376 #define AWI_MIB_MAC_CW_MAX 6 377 #define AWI_MIB_MAC_CW_MIN 8 378 #define AWI_MIB_MAC_PROMISC 10 379 #define AWI_MIB_MAC_SHORT_RETRY 16 380 #define AWI_MIB_MAC_LONG_RETRY 17 381 #define AWI_MIB_MAC_MAX_FRAME 18 382 #define AWI_MIB_MAC_MAX_FRAG 20 383 #define AWI_MIB_MAC_PROBE_DELAY 22 384 #define AWI_MIB_MAC_PROBE_RESP_MIN 24 385 #define AWI_MIB_MAC_PROBE_RESP_MAX 26 386 #define AWI_MIB_MAC_MAX_TX_MSDU_LIFE 28 387 #define AWI_MIB_MAC_MAX_RX_MSDU_LIFE 32 388 #define AWI_MIB_MAC_STATION_BASE_RATE 36 389 #define AWI_MIB_MAC_DES_ESSID 38 /* 34 bytes */ 390 391 /* 392 * MGT mib. 393 */ 394 395 #define AWI_MIB_MGT_POWER_MODE 0 396 #define AWI_MIB_MGT_SCAN_MODE 1 397 #define AWI_MIB_MGT_SCAN_STATE 2 398 #define AWI_MIB_MGT_DTIM_PERIOD 3 399 #define AWI_MIB_MGT_ATIM_WINDOW 4 400 #define AWI_MIB_MGT_WEPREQ 6 401 #define AWI_MIB_MGT_BEACON_PD 8 402 #define AWI_MIB_MGT_PASSIVE_SCAN 10 403 #define AWI_MIB_MGT_LISTEN_INT 12 404 #define AWI_MIB_MGT_MEDIUP_OCC 14 405 #define AWI_MIB_MGT_MAX_MPDU_TIME 16 406 #define AWI_MIB_MGT_CFP_MAX_DUR 18 407 #define AWI_MIB_MGT_CFP_RATE 20 408 #define AWI_MIB_MGT_NO_DTMS 21 409 #define AWI_MIB_MGT_STATION_ID 22 410 #define AWI_MIB_MGT_BSS_ID 24 411 #define AWI_MIB_MGT_ESS_ID 30 /* 34 bytes */ 412 #define AWI_MIB_MGT_ESS_SIZE 34 413 414 415 /* 416 * MAC address group. 417 */ 418 419 #define AWI_MIB_MAC_ADDR_MINE 0 420 #define AWI_MIB_MAC_ADDR_MULTI0 6 421 #define AWI_MIB_MAC_ADDR_MULTI1 12 422 #define AWI_MIB_MAC_ADDR_MULTI2 18 423 #define AWI_MIB_MAC_ADDR_MULTI3 24 424 425 #define AWI_MIB_MAC_ADDR_TXEN 30 426 427 /* 428 * 802.11 media layer goo. 429 * Should be split out into separate module independant of this driver. 430 */ 431 432 #define IEEEWL_FC 0 /* frame control */ 433 434 #define IEEEWL_FC_VERS 0 435 #define IEEEWL_FC_VERS_MASK 0x03 436 437 #define IEEEWL_FC_TYPE_MGT 0 438 #define IEEEWL_FC_TYPE_CTL 1 439 #define IEEEWL_FC_TYPE_DATA 2 440 441 #define IEEEWL_FC_TYPE_MASK 0x0c 442 #define IEEEWL_FC_TYPE_SHIFT 2 443 444 #define IEEEWL_FC_SUBTYPE_MASK 0xf0 445 #define IEEEWL_FC_SUBTYPE_SHIFT 4 446 447 #define IEEEWL_SUBTYPE_ASSOCREQ 0x00 448 #define IEEEWL_SUBTYPE_ASSOCRESP 0x01 449 #define IEEEWL_SUBTYPE_REASSOCREQ 0x02 450 #define IEEEWL_SUBTYPE_REASSOCRESP 0x03 451 #define IEEEWL_SUBTYPE_PROBEREQ 0x04 452 #define IEEEWL_SUBTYPE_PROBERESP 0x05 453 454 #define IEEEWL_SUBTYPE_BEACON 0x08 455 #define IEEEWL_SUBTYPE_DISSOC 0x0a 456 #define IEEEWL_SUBTYPE_AUTH 0x0b 457 #define IEEEWL_SUBTYPE_DEAUTH 0x0c 458 459 #define IEEEWL_FC2 1 /* second byte of fc */ 460 461 /* 462 * TLV tags for things we care about.. 463 */ 464 #define IEEEWL_MGT_TLV_SSID 0 465 #define IEEEWL_MGT_TLV_FHPARMS 2 466 467 /* 468 * misc frame control bits in second byte of frame control word. 469 * there are others, but we don't ever want to set them.. 470 */ 471 472 #define IEEEWL_FC2_DSMASK 0x03 473 474 #define IEEEWL_FC2_TODS 0x01 475 #define IEEEWL_FC2_FROMDS 0x02 476 477 #define IEEEWL_FH_CHANSET_MIN 1 478 #define IEEEWL_FH_CHANSET_MAX 3 479 #define IEEEWL_FH_PATTERN_MIN 0 480 #define IEEEWL_FH_PATTERN_MAX 77 481 482 struct awi_mac_header 483 { 484 u_int8_t awi_fc; 485 u_int8_t awi_f2; 486 u_int16_t awi_duration; 487 u_int8_t awi_addr1[6]; 488 u_int8_t awi_addr2[6]; 489 u_int8_t awi_addr3[6]; 490 u_int16_t awi_seqctl; 491 }; 492 493 struct awi_llc_header 494 { 495 u_int8_t awi_llc_goo[8]; 496 }; 497 498 struct awi_assoc_hdr 499 { 500 u_int8_t awi_cap_info[2]; 501 u_int8_t awi_li[2]; 502 }; 503 504 struct awi_auth_hdr 505 { 506 u_int8_t awi_algno[2]; 507 u_int8_t awi_seqno[2]; 508 u_int8_t awi_status[2]; 509 }; 510