1 /* 2 * Copyright (c) 2008-2011 Atheros Communications Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef MAC_H 18 #define MAC_H 19 20 #define set11nTries(_series, _index) \ 21 (SM((_series)[_index].Tries, AR_XmitDataTries##_index)) 22 23 #define set11nRate(_series, _index) \ 24 (SM((_series)[_index].Rate, AR_XmitRate##_index)) 25 26 #define set11nPktDurRTSCTS(_series, _index) \ 27 (SM((_series)[_index].PktDuration, AR_PacketDur##_index) | \ 28 ((_series)[_index].RateFlags & ATH9K_RATESERIES_RTS_CTS ? \ 29 AR_RTSCTSQual##_index : 0)) 30 31 #define set11nRateFlags(_series, _index) \ 32 (((_series)[_index].RateFlags & ATH9K_RATESERIES_2040 ? \ 33 AR_2040_##_index : 0) \ 34 |((_series)[_index].RateFlags & ATH9K_RATESERIES_HALFGI ? \ 35 AR_GI##_index : 0) \ 36 |((_series)[_index].RateFlags & ATH9K_RATESERIES_STBC ? \ 37 AR_STBC##_index : 0) \ 38 |SM((_series)[_index].ChSel, AR_ChainSel##_index)) 39 40 #define CCK_SIFS_TIME 10 41 #define CCK_PREAMBLE_BITS 144 42 #define CCK_PLCP_BITS 48 43 44 #define OFDM_SIFS_TIME 16 45 #define OFDM_PREAMBLE_TIME 20 46 #define OFDM_PLCP_BITS 22 47 #define OFDM_SYMBOL_TIME 4 48 49 #define OFDM_SIFS_TIME_HALF 32 50 #define OFDM_PREAMBLE_TIME_HALF 40 51 #define OFDM_PLCP_BITS_HALF 22 52 #define OFDM_SYMBOL_TIME_HALF 8 53 54 #define OFDM_SIFS_TIME_QUARTER 64 55 #define OFDM_PREAMBLE_TIME_QUARTER 80 56 #define OFDM_PLCP_BITS_QUARTER 22 57 #define OFDM_SYMBOL_TIME_QUARTER 16 58 59 #define INIT_AIFS 2 60 #define INIT_CWMIN 15 61 #define INIT_CWMIN_11B 31 62 #define INIT_CWMAX 1023 63 #define INIT_SH_RETRY 10 64 #define INIT_LG_RETRY 10 65 #define INIT_SSH_RETRY 32 66 #define INIT_SLG_RETRY 32 67 68 #define ATH9K_SLOT_TIME_6 6 69 #define ATH9K_SLOT_TIME_9 9 70 #define ATH9K_SLOT_TIME_20 20 71 72 #define ATH9K_TXERR_XRETRY 0x01 73 #define ATH9K_TXERR_FILT 0x02 74 #define ATH9K_TXERR_FIFO 0x04 75 #define ATH9K_TXERR_XTXOP 0x08 76 #define ATH9K_TXERR_TIMER_EXPIRED 0x10 77 #define ATH9K_TX_ACKED 0x20 78 #define ATH9K_TX_FLUSH 0x40 79 #define ATH9K_TXERR_MASK \ 80 (ATH9K_TXERR_XRETRY | ATH9K_TXERR_FILT | ATH9K_TXERR_FIFO | \ 81 ATH9K_TXERR_XTXOP | ATH9K_TXERR_TIMER_EXPIRED | ATH9K_TX_FLUSH) 82 83 #define ATH9K_TX_BA 0x01 84 #define ATH9K_TX_PWRMGMT 0x02 85 #define ATH9K_TX_DESC_CFG_ERR 0x04 86 #define ATH9K_TX_DATA_UNDERRUN 0x08 87 #define ATH9K_TX_DELIM_UNDERRUN 0x10 88 #define ATH9K_TX_SW_FILTERED 0x80 89 90 /* 64 bytes */ 91 #define MIN_TX_FIFO_THRESHOLD 0x1 92 93 /* 94 * Single stream device AR9285 and AR9271 require 2 KB 95 * to work around a hardware issue, all other devices 96 * have can use the max 4 KB limit. 97 */ 98 #define MAX_TX_FIFO_THRESHOLD ((4096 / 64) - 1) 99 100 struct ath_tx_status { 101 u32 ts_tstamp; 102 u16 ts_seqnum; 103 u8 ts_status; 104 u8 ts_rateindex; 105 int8_t ts_rssi; 106 u8 ts_shortretry; 107 u8 ts_longretry; 108 u8 ts_virtcol; 109 u8 ts_flags; 110 int8_t ts_rssi_ctl0; 111 int8_t ts_rssi_ctl1; 112 int8_t ts_rssi_ctl2; 113 int8_t ts_rssi_ext0; 114 int8_t ts_rssi_ext1; 115 int8_t ts_rssi_ext2; 116 u8 qid; 117 u16 desc_id; 118 u8 tid; 119 u32 ba_low; 120 u32 ba_high; 121 u32 evm0; 122 u32 evm1; 123 u32 evm2; 124 }; 125 126 struct ath_rx_status { 127 u32 rs_tstamp; 128 u16 rs_datalen; 129 u8 rs_status; 130 u8 rs_phyerr; 131 int8_t rs_rssi; 132 u8 rs_keyix; 133 u8 rs_rate; 134 u8 rs_antenna; 135 u8 rs_more; 136 int8_t rs_rssi_ctl0; 137 int8_t rs_rssi_ctl1; 138 int8_t rs_rssi_ctl2; 139 int8_t rs_rssi_ext0; 140 int8_t rs_rssi_ext1; 141 int8_t rs_rssi_ext2; 142 u8 rs_isaggr; 143 u8 rs_moreaggr; 144 u8 rs_num_delims; 145 u8 rs_flags; 146 bool is_mybeacon; 147 u32 evm0; 148 u32 evm1; 149 u32 evm2; 150 u32 evm3; 151 u32 evm4; 152 }; 153 154 struct ath_htc_rx_status { 155 __be64 rs_tstamp; 156 __be16 rs_datalen; 157 u8 rs_status; 158 u8 rs_phyerr; 159 int8_t rs_rssi; 160 int8_t rs_rssi_ctl0; 161 int8_t rs_rssi_ctl1; 162 int8_t rs_rssi_ctl2; 163 int8_t rs_rssi_ext0; 164 int8_t rs_rssi_ext1; 165 int8_t rs_rssi_ext2; 166 u8 rs_keyix; 167 u8 rs_rate; 168 u8 rs_antenna; 169 u8 rs_more; 170 u8 rs_isaggr; 171 u8 rs_moreaggr; 172 u8 rs_num_delims; 173 u8 rs_flags; 174 u8 rs_dummy; 175 __be32 evm0; 176 __be32 evm1; 177 __be32 evm2; 178 }; 179 180 #define ATH9K_RXERR_CRC 0x01 181 #define ATH9K_RXERR_PHY 0x02 182 #define ATH9K_RXERR_FIFO 0x04 183 #define ATH9K_RXERR_DECRYPT 0x08 184 #define ATH9K_RXERR_MIC 0x10 185 #define ATH9K_RXERR_KEYMISS 0x20 186 187 #define ATH9K_RX_MORE 0x01 188 #define ATH9K_RX_MORE_AGGR 0x02 189 #define ATH9K_RX_GI 0x04 190 #define ATH9K_RX_2040 0x08 191 #define ATH9K_RX_DELIM_CRC_PRE 0x10 192 #define ATH9K_RX_DELIM_CRC_POST 0x20 193 #define ATH9K_RX_DECRYPT_BUSY 0x40 194 195 #define ATH9K_RXKEYIX_INVALID ((u8)-1) 196 #define ATH9K_TXKEYIX_INVALID ((u8)-1) 197 198 enum ath9k_phyerr { 199 ATH9K_PHYERR_UNDERRUN = 0, /* Transmit underrun */ 200 ATH9K_PHYERR_TIMING = 1, /* Timing error */ 201 ATH9K_PHYERR_PARITY = 2, /* Illegal parity */ 202 ATH9K_PHYERR_RATE = 3, /* Illegal rate */ 203 ATH9K_PHYERR_LENGTH = 4, /* Illegal length */ 204 ATH9K_PHYERR_RADAR = 5, /* Radar detect */ 205 ATH9K_PHYERR_SERVICE = 6, /* Illegal service */ 206 ATH9K_PHYERR_TOR = 7, /* Transmit override receive */ 207 208 ATH9K_PHYERR_OFDM_TIMING = 17, 209 ATH9K_PHYERR_OFDM_SIGNAL_PARITY = 18, 210 ATH9K_PHYERR_OFDM_RATE_ILLEGAL = 19, 211 ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL = 20, 212 ATH9K_PHYERR_OFDM_POWER_DROP = 21, 213 ATH9K_PHYERR_OFDM_SERVICE = 22, 214 ATH9K_PHYERR_OFDM_RESTART = 23, 215 ATH9K_PHYERR_FALSE_RADAR_EXT = 24, 216 217 ATH9K_PHYERR_CCK_TIMING = 25, 218 ATH9K_PHYERR_CCK_HEADER_CRC = 26, 219 ATH9K_PHYERR_CCK_RATE_ILLEGAL = 27, 220 ATH9K_PHYERR_CCK_SERVICE = 30, 221 ATH9K_PHYERR_CCK_RESTART = 31, 222 ATH9K_PHYERR_CCK_LENGTH_ILLEGAL = 32, 223 ATH9K_PHYERR_CCK_POWER_DROP = 33, 224 225 ATH9K_PHYERR_HT_CRC_ERROR = 34, 226 ATH9K_PHYERR_HT_LENGTH_ILLEGAL = 35, 227 ATH9K_PHYERR_HT_RATE_ILLEGAL = 36, 228 229 ATH9K_PHYERR_MAX = 37, 230 }; 231 232 struct ath_desc { 233 u32 ds_link; 234 u32 ds_data; 235 u32 ds_ctl0; 236 u32 ds_ctl1; 237 u32 ds_hw[20]; 238 void *ds_vdata; 239 } __packed __aligned(4); 240 241 #define ATH9K_TXDESC_NOACK 0x0002 242 #define ATH9K_TXDESC_RTSENA 0x0004 243 #define ATH9K_TXDESC_CTSENA 0x0008 244 /* ATH9K_TXDESC_INTREQ forces a tx interrupt to be generated for 245 * the descriptor its marked on. We take a tx interrupt to reap 246 * descriptors when the h/w hits an EOL condition or 247 * when the descriptor is specifically marked to generate 248 * an interrupt with this flag. Descriptors should be 249 * marked periodically to insure timely replenishing of the 250 * supply needed for sending frames. Defering interrupts 251 * reduces system load and potentially allows more concurrent 252 * work to be done but if done to aggressively can cause 253 * senders to backup. When the hardware queue is left too 254 * large rate control information may also be too out of 255 * date. An Alternative for this is TX interrupt mitigation 256 * but this needs more testing. */ 257 #define ATH9K_TXDESC_INTREQ 0x0010 258 #define ATH9K_TXDESC_VEOL 0x0020 259 #define ATH9K_TXDESC_EXT_ONLY 0x0040 260 #define ATH9K_TXDESC_EXT_AND_CTL 0x0080 261 #define ATH9K_TXDESC_VMF 0x0100 262 #define ATH9K_TXDESC_FRAG_IS_ON 0x0200 263 #define ATH9K_TXDESC_LOWRXCHAIN 0x0400 264 #define ATH9K_TXDESC_LDPC 0x0800 265 #define ATH9K_TXDESC_CLRDMASK 0x1000 266 267 #define ATH9K_TXDESC_PAPRD 0x70000 268 #define ATH9K_TXDESC_PAPRD_S 16 269 270 #define ATH9K_RXDESC_INTREQ 0x0020 271 272 struct ar5416_desc { 273 u32 ds_link; 274 u32 ds_data; 275 u32 ds_ctl0; 276 u32 ds_ctl1; 277 union { 278 struct { 279 u32 ctl2; 280 u32 ctl3; 281 u32 ctl4; 282 u32 ctl5; 283 u32 ctl6; 284 u32 ctl7; 285 u32 ctl8; 286 u32 ctl9; 287 u32 ctl10; 288 u32 ctl11; 289 u32 status0; 290 u32 status1; 291 u32 status2; 292 u32 status3; 293 u32 status4; 294 u32 status5; 295 u32 status6; 296 u32 status7; 297 u32 status8; 298 u32 status9; 299 } tx; 300 struct { 301 u32 status0; 302 u32 status1; 303 u32 status2; 304 u32 status3; 305 u32 status4; 306 u32 status5; 307 u32 status6; 308 u32 status7; 309 u32 status8; 310 } rx; 311 } u; 312 } __packed __aligned(4); 313 314 #define AR5416DESC(_ds) ((struct ar5416_desc *)(_ds)) 315 #define AR5416DESC_CONST(_ds) ((const struct ar5416_desc *)(_ds)) 316 317 #define ds_ctl2 u.tx.ctl2 318 #define ds_ctl3 u.tx.ctl3 319 #define ds_ctl4 u.tx.ctl4 320 #define ds_ctl5 u.tx.ctl5 321 #define ds_ctl6 u.tx.ctl6 322 #define ds_ctl7 u.tx.ctl7 323 #define ds_ctl8 u.tx.ctl8 324 #define ds_ctl9 u.tx.ctl9 325 #define ds_ctl10 u.tx.ctl10 326 #define ds_ctl11 u.tx.ctl11 327 328 #define ds_txstatus0 u.tx.status0 329 #define ds_txstatus1 u.tx.status1 330 #define ds_txstatus2 u.tx.status2 331 #define ds_txstatus3 u.tx.status3 332 #define ds_txstatus4 u.tx.status4 333 #define ds_txstatus5 u.tx.status5 334 #define ds_txstatus6 u.tx.status6 335 #define ds_txstatus7 u.tx.status7 336 #define ds_txstatus8 u.tx.status8 337 #define ds_txstatus9 u.tx.status9 338 339 #define ds_rxstatus0 u.rx.status0 340 #define ds_rxstatus1 u.rx.status1 341 #define ds_rxstatus2 u.rx.status2 342 #define ds_rxstatus3 u.rx.status3 343 #define ds_rxstatus4 u.rx.status4 344 #define ds_rxstatus5 u.rx.status5 345 #define ds_rxstatus6 u.rx.status6 346 #define ds_rxstatus7 u.rx.status7 347 #define ds_rxstatus8 u.rx.status8 348 349 #define AR_FrameLen 0x00000fff 350 #define AR_VirtMoreFrag 0x00001000 351 #define AR_TxCtlRsvd00 0x0000e000 352 #define AR_XmitPower 0x003f0000 353 #define AR_XmitPower_S 16 354 #define AR_RTSEnable 0x00400000 355 #define AR_VEOL 0x00800000 356 #define AR_ClrDestMask 0x01000000 357 #define AR_TxCtlRsvd01 0x1e000000 358 #define AR_TxIntrReq 0x20000000 359 #define AR_DestIdxValid 0x40000000 360 #define AR_CTSEnable 0x80000000 361 362 #define AR_TxMore 0x00001000 363 #define AR_DestIdx 0x000fe000 364 #define AR_DestIdx_S 13 365 #define AR_FrameType 0x00f00000 366 #define AR_FrameType_S 20 367 #define AR_NoAck 0x01000000 368 #define AR_InsertTS 0x02000000 369 #define AR_CorruptFCS 0x04000000 370 #define AR_ExtOnly 0x08000000 371 #define AR_ExtAndCtl 0x10000000 372 #define AR_MoreAggr 0x20000000 373 #define AR_IsAggr 0x40000000 374 375 #define AR_BurstDur 0x00007fff 376 #define AR_BurstDur_S 0 377 #define AR_DurUpdateEna 0x00008000 378 #define AR_XmitDataTries0 0x000f0000 379 #define AR_XmitDataTries0_S 16 380 #define AR_XmitDataTries1 0x00f00000 381 #define AR_XmitDataTries1_S 20 382 #define AR_XmitDataTries2 0x0f000000 383 #define AR_XmitDataTries2_S 24 384 #define AR_XmitDataTries3 0xf0000000 385 #define AR_XmitDataTries3_S 28 386 387 #define AR_XmitRate0 0x000000ff 388 #define AR_XmitRate0_S 0 389 #define AR_XmitRate1 0x0000ff00 390 #define AR_XmitRate1_S 8 391 #define AR_XmitRate2 0x00ff0000 392 #define AR_XmitRate2_S 16 393 #define AR_XmitRate3 0xff000000 394 #define AR_XmitRate3_S 24 395 396 #define AR_PacketDur0 0x00007fff 397 #define AR_PacketDur0_S 0 398 #define AR_RTSCTSQual0 0x00008000 399 #define AR_PacketDur1 0x7fff0000 400 #define AR_PacketDur1_S 16 401 #define AR_RTSCTSQual1 0x80000000 402 403 #define AR_PacketDur2 0x00007fff 404 #define AR_PacketDur2_S 0 405 #define AR_RTSCTSQual2 0x00008000 406 #define AR_PacketDur3 0x7fff0000 407 #define AR_PacketDur3_S 16 408 #define AR_RTSCTSQual3 0x80000000 409 410 #define AR_AggrLen 0x0000ffff 411 #define AR_AggrLen_S 0 412 #define AR_TxCtlRsvd60 0x00030000 413 #define AR_PadDelim 0x03fc0000 414 #define AR_PadDelim_S 18 415 #define AR_EncrType 0x0c000000 416 #define AR_EncrType_S 26 417 #define AR_TxCtlRsvd61 0xf0000000 418 #define AR_LDPC 0x80000000 419 420 #define AR_2040_0 0x00000001 421 #define AR_GI0 0x00000002 422 #define AR_ChainSel0 0x0000001c 423 #define AR_ChainSel0_S 2 424 #define AR_2040_1 0x00000020 425 #define AR_GI1 0x00000040 426 #define AR_ChainSel1 0x00000380 427 #define AR_ChainSel1_S 7 428 #define AR_2040_2 0x00000400 429 #define AR_GI2 0x00000800 430 #define AR_ChainSel2 0x00007000 431 #define AR_ChainSel2_S 12 432 #define AR_2040_3 0x00008000 433 #define AR_GI3 0x00010000 434 #define AR_ChainSel3 0x000e0000 435 #define AR_ChainSel3_S 17 436 #define AR_RTSCTSRate 0x0ff00000 437 #define AR_RTSCTSRate_S 20 438 #define AR_STBC0 0x10000000 439 #define AR_STBC1 0x20000000 440 #define AR_STBC2 0x40000000 441 #define AR_STBC3 0x80000000 442 443 #define AR_TxRSSIAnt00 0x000000ff 444 #define AR_TxRSSIAnt00_S 0 445 #define AR_TxRSSIAnt01 0x0000ff00 446 #define AR_TxRSSIAnt01_S 8 447 #define AR_TxRSSIAnt02 0x00ff0000 448 #define AR_TxRSSIAnt02_S 16 449 #define AR_TxStatusRsvd00 0x3f000000 450 #define AR_TxBaStatus 0x40000000 451 #define AR_TxStatusRsvd01 0x80000000 452 453 /* 454 * AR_FrmXmitOK - Frame transmission success flag. If set, the frame was 455 * transmitted successfully. If clear, no ACK or BA was received to indicate 456 * successful transmission when we were expecting an ACK or BA. 457 */ 458 #define AR_FrmXmitOK 0x00000001 459 #define AR_ExcessiveRetries 0x00000002 460 #define AR_FIFOUnderrun 0x00000004 461 #define AR_Filtered 0x00000008 462 #define AR_RTSFailCnt 0x000000f0 463 #define AR_RTSFailCnt_S 4 464 #define AR_DataFailCnt 0x00000f00 465 #define AR_DataFailCnt_S 8 466 #define AR_VirtRetryCnt 0x0000f000 467 #define AR_VirtRetryCnt_S 12 468 #define AR_TxDelimUnderrun 0x00010000 469 #define AR_TxDataUnderrun 0x00020000 470 #define AR_DescCfgErr 0x00040000 471 #define AR_TxTimerExpired 0x00080000 472 #define AR_TxStatusRsvd10 0xfff00000 473 474 #define AR_SendTimestamp ds_txstatus2 475 #define AR_BaBitmapLow ds_txstatus3 476 #define AR_BaBitmapHigh ds_txstatus4 477 478 #define AR_TxRSSIAnt10 0x000000ff 479 #define AR_TxRSSIAnt10_S 0 480 #define AR_TxRSSIAnt11 0x0000ff00 481 #define AR_TxRSSIAnt11_S 8 482 #define AR_TxRSSIAnt12 0x00ff0000 483 #define AR_TxRSSIAnt12_S 16 484 #define AR_TxRSSICombined 0xff000000 485 #define AR_TxRSSICombined_S 24 486 487 #define AR_TxTid 0xf0000000 488 #define AR_TxTid_S 28 489 490 #define AR_TxEVM0 ds_txstatus5 491 #define AR_TxEVM1 ds_txstatus6 492 #define AR_TxEVM2 ds_txstatus7 493 494 #define AR_TxDone 0x00000001 495 #define AR_SeqNum 0x00001ffe 496 #define AR_SeqNum_S 1 497 #define AR_TxStatusRsvd80 0x0001e000 498 #define AR_TxOpExceeded 0x00020000 499 #define AR_TxStatusRsvd81 0x001c0000 500 #define AR_FinalTxIdx 0x00600000 501 #define AR_FinalTxIdx_S 21 502 #define AR_TxStatusRsvd82 0x01800000 503 #define AR_PowerMgmt 0x02000000 504 #define AR_TxStatusRsvd83 0xfc000000 505 506 #define AR_RxCTLRsvd00 0xffffffff 507 508 #define AR_RxCtlRsvd00 0x00001000 509 #define AR_RxIntrReq 0x00002000 510 #define AR_RxCtlRsvd01 0xffffc000 511 512 #define AR_RxRSSIAnt00 0x000000ff 513 #define AR_RxRSSIAnt00_S 0 514 #define AR_RxRSSIAnt01 0x0000ff00 515 #define AR_RxRSSIAnt01_S 8 516 #define AR_RxRSSIAnt02 0x00ff0000 517 #define AR_RxRSSIAnt02_S 16 518 #define AR_RxRate 0xff000000 519 #define AR_RxRate_S 24 520 #define AR_RxStatusRsvd00 0xff000000 521 522 #define AR_DataLen 0x00000fff 523 #define AR_RxMore 0x00001000 524 #define AR_NumDelim 0x003fc000 525 #define AR_NumDelim_S 14 526 #define AR_RxStatusRsvd10 0xff800000 527 528 #define AR_RcvTimestamp ds_rxstatus2 529 530 #define AR_GI 0x00000001 531 #define AR_2040 0x00000002 532 #define AR_Parallel40 0x00000004 533 #define AR_Parallel40_S 2 534 #define AR_RxStatusRsvd30 0x000000f8 535 #define AR_RxAntenna 0xffffff00 536 #define AR_RxAntenna_S 8 537 538 #define AR_RxRSSIAnt10 0x000000ff 539 #define AR_RxRSSIAnt10_S 0 540 #define AR_RxRSSIAnt11 0x0000ff00 541 #define AR_RxRSSIAnt11_S 8 542 #define AR_RxRSSIAnt12 0x00ff0000 543 #define AR_RxRSSIAnt12_S 16 544 #define AR_RxRSSICombined 0xff000000 545 #define AR_RxRSSICombined_S 24 546 547 #define AR_RxEVM0 ds_rxstatus4 548 #define AR_RxEVM1 ds_rxstatus5 549 #define AR_RxEVM2 ds_rxstatus6 550 551 #define AR_RxDone 0x00000001 552 #define AR_RxFrameOK 0x00000002 553 #define AR_CRCErr 0x00000004 554 #define AR_DecryptCRCErr 0x00000008 555 #define AR_PHYErr 0x00000010 556 #define AR_MichaelErr 0x00000020 557 #define AR_PreDelimCRCErr 0x00000040 558 #define AR_RxStatusRsvd70 0x00000080 559 #define AR_RxKeyIdxValid 0x00000100 560 #define AR_KeyIdx 0x0000fe00 561 #define AR_KeyIdx_S 9 562 #define AR_PHYErrCode 0x0000ff00 563 #define AR_PHYErrCode_S 8 564 #define AR_RxMoreAggr 0x00010000 565 #define AR_RxAggr 0x00020000 566 #define AR_PostDelimCRCErr 0x00040000 567 #define AR_RxStatusRsvd71 0x3ff80000 568 #define AR_DecryptBusyErr 0x40000000 569 #define AR_KeyMiss 0x80000000 570 571 enum ath9k_tx_queue { 572 ATH9K_TX_QUEUE_INACTIVE = 0, 573 ATH9K_TX_QUEUE_DATA, 574 ATH9K_TX_QUEUE_BEACON, 575 ATH9K_TX_QUEUE_CAB, 576 ATH9K_TX_QUEUE_UAPSD, 577 ATH9K_TX_QUEUE_PSPOLL 578 }; 579 580 #define ATH9K_NUM_TX_QUEUES 10 581 582 /* Used as a queue subtype instead of a WMM AC */ 583 #define ATH9K_WME_UPSD 4 584 585 enum ath9k_tx_queue_flags { 586 TXQ_FLAG_TXINT_ENABLE = 0x0001, 587 TXQ_FLAG_TXDESCINT_ENABLE = 0x0002, 588 TXQ_FLAG_TXEOLINT_ENABLE = 0x0004, 589 TXQ_FLAG_TXURNINT_ENABLE = 0x0008, 590 TXQ_FLAG_BACKOFF_DISABLE = 0x0010, 591 TXQ_FLAG_COMPRESSION_ENABLE = 0x0020, 592 TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE = 0x0040, 593 TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE = 0x0080, 594 }; 595 596 #define ATH9K_TXQ_USEDEFAULT ((u32) -1) 597 #define ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS 0x00000001 598 599 #define ATH9K_DECOMP_MASK_SIZE 128 600 #define ATH9K_READY_TIME_LO_BOUND 50 601 #define ATH9K_READY_TIME_HI_BOUND 96 602 603 enum ath9k_pkt_type { 604 ATH9K_PKT_TYPE_NORMAL = 0, 605 ATH9K_PKT_TYPE_ATIM, 606 ATH9K_PKT_TYPE_PSPOLL, 607 ATH9K_PKT_TYPE_BEACON, 608 ATH9K_PKT_TYPE_PROBE_RESP, 609 ATH9K_PKT_TYPE_CHIRP, 610 ATH9K_PKT_TYPE_GRP_POLL, 611 }; 612 613 struct ath9k_tx_queue_info { 614 u32 tqi_ver; 615 enum ath9k_tx_queue tqi_type; 616 int tqi_subtype; 617 enum ath9k_tx_queue_flags tqi_qflags; 618 u32 tqi_priority; 619 u32 tqi_aifs; 620 u32 tqi_cwmin; 621 u32 tqi_cwmax; 622 u16 tqi_shretry; 623 u16 tqi_lgretry; 624 u32 tqi_cbrPeriod; 625 u32 tqi_cbrOverflowLimit; 626 u32 tqi_burstTime; 627 u32 tqi_readyTime; 628 u32 tqi_physCompBuf; 629 u32 tqi_intFlags; 630 }; 631 632 enum ath9k_rx_filter { 633 ATH9K_RX_FILTER_UCAST = 0x00000001, 634 ATH9K_RX_FILTER_MCAST = 0x00000002, 635 ATH9K_RX_FILTER_BCAST = 0x00000004, 636 ATH9K_RX_FILTER_CONTROL = 0x00000008, 637 ATH9K_RX_FILTER_BEACON = 0x00000010, 638 ATH9K_RX_FILTER_PROM = 0x00000020, 639 ATH9K_RX_FILTER_PROBEREQ = 0x00000080, 640 ATH9K_RX_FILTER_PHYERR = 0x00000100, 641 ATH9K_RX_FILTER_MYBEACON = 0x00000200, 642 ATH9K_RX_FILTER_COMP_BAR = 0x00000400, 643 ATH9K_RX_FILTER_COMP_BA = 0x00000800, 644 ATH9K_RX_FILTER_UNCOMP_BA_BAR = 0x00001000, 645 ATH9K_RX_FILTER_PSPOLL = 0x00004000, 646 ATH9K_RX_FILTER_PHYRADAR = 0x00002000, 647 ATH9K_RX_FILTER_MCAST_BCAST_ALL = 0x00008000, 648 ATH9K_RX_FILTER_CONTROL_WRAPPER = 0x00080000, 649 }; 650 651 #define ATH9K_RATESERIES_RTS_CTS 0x0001 652 #define ATH9K_RATESERIES_2040 0x0002 653 #define ATH9K_RATESERIES_HALFGI 0x0004 654 #define ATH9K_RATESERIES_STBC 0x0008 655 656 struct ath9k_11n_rate_series { 657 u32 Tries; 658 u32 Rate; 659 u32 PktDuration; 660 u32 ChSel; 661 u32 RateFlags; 662 }; 663 664 enum aggr_type { 665 AGGR_BUF_NONE, 666 AGGR_BUF_FIRST, 667 AGGR_BUF_MIDDLE, 668 AGGR_BUF_LAST, 669 }; 670 671 enum ath9k_key_type { 672 ATH9K_KEY_TYPE_CLEAR, 673 ATH9K_KEY_TYPE_WEP, 674 ATH9K_KEY_TYPE_AES, 675 ATH9K_KEY_TYPE_TKIP, 676 }; 677 678 struct ath_tx_info { 679 u8 qcu; 680 681 bool is_first; 682 bool is_last; 683 684 enum aggr_type aggr; 685 u8 ndelim; 686 u16 aggr_len; 687 688 dma_addr_t link; 689 int pkt_len; 690 u32 flags; 691 692 dma_addr_t buf_addr[4]; 693 int buf_len[4]; 694 695 struct ath9k_11n_rate_series rates[4]; 696 u8 rtscts_rate; 697 bool dur_update; 698 699 enum ath9k_pkt_type type; 700 enum ath9k_key_type keytype; 701 u8 keyix; 702 u8 txpower; 703 }; 704 705 struct ath_hw; 706 struct ath9k_channel; 707 enum ath9k_int; 708 709 u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q); 710 void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp); 711 void ath9k_hw_txstart(struct ath_hw *ah, u32 q); 712 u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q); 713 bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel); 714 bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q); 715 void ath9k_hw_abort_tx_dma(struct ath_hw *ah); 716 bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q, 717 const struct ath9k_tx_queue_info *qinfo); 718 bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q, 719 struct ath9k_tx_queue_info *qinfo); 720 int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type, 721 const struct ath9k_tx_queue_info *qinfo); 722 bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q); 723 bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q); 724 int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, 725 struct ath_rx_status *rs); 726 void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds, 727 u32 size, u32 flags); 728 bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set); 729 void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp); 730 void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning); 731 void ath9k_hw_abortpcurecv(struct ath_hw *ah); 732 bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset); 733 int ath9k_hw_beaconq_setup(struct ath_hw *ah); 734 735 /* Interrupt Handling */ 736 bool ath9k_hw_intrpend(struct ath_hw *ah); 737 void ath9k_hw_set_interrupts(struct ath_hw *ah); 738 void ath9k_hw_enable_interrupts(struct ath_hw *ah); 739 void ath9k_hw_disable_interrupts(struct ath_hw *ah); 740 741 void ar9002_hw_attach_mac_ops(struct ath_hw *ah); 742 743 #endif /* MAC_H */ 744