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 u32 flag; /* see enum mac80211_rx_flags */ 153 }; 154 155 struct ath_htc_rx_status { 156 __be64 rs_tstamp; 157 __be16 rs_datalen; 158 u8 rs_status; 159 u8 rs_phyerr; 160 int8_t rs_rssi; 161 int8_t rs_rssi_ctl0; 162 int8_t rs_rssi_ctl1; 163 int8_t rs_rssi_ctl2; 164 int8_t rs_rssi_ext0; 165 int8_t rs_rssi_ext1; 166 int8_t rs_rssi_ext2; 167 u8 rs_keyix; 168 u8 rs_rate; 169 u8 rs_antenna; 170 u8 rs_more; 171 u8 rs_isaggr; 172 u8 rs_moreaggr; 173 u8 rs_num_delims; 174 u8 rs_flags; 175 u8 rs_dummy; 176 __be32 evm0; 177 __be32 evm1; 178 __be32 evm2; 179 }; 180 181 #define ATH9K_RXERR_CRC 0x01 182 #define ATH9K_RXERR_PHY 0x02 183 #define ATH9K_RXERR_FIFO 0x04 184 #define ATH9K_RXERR_DECRYPT 0x08 185 #define ATH9K_RXERR_MIC 0x10 186 #define ATH9K_RXERR_KEYMISS 0x20 187 #define ATH9K_RXERR_CORRUPT_DESC 0x40 188 189 #define ATH9K_RX_MORE 0x01 190 #define ATH9K_RX_MORE_AGGR 0x02 191 #define ATH9K_RX_GI 0x04 192 #define ATH9K_RX_2040 0x08 193 #define ATH9K_RX_DELIM_CRC_PRE 0x10 194 #define ATH9K_RX_DELIM_CRC_POST 0x20 195 #define ATH9K_RX_DECRYPT_BUSY 0x40 196 197 #define ATH9K_RXKEYIX_INVALID ((u8)-1) 198 #define ATH9K_TXKEYIX_INVALID ((u8)-1) 199 200 enum ath9k_phyerr { 201 ATH9K_PHYERR_UNDERRUN = 0, /* Transmit underrun */ 202 ATH9K_PHYERR_TIMING = 1, /* Timing error */ 203 ATH9K_PHYERR_PARITY = 2, /* Illegal parity */ 204 ATH9K_PHYERR_RATE = 3, /* Illegal rate */ 205 ATH9K_PHYERR_LENGTH = 4, /* Illegal length */ 206 ATH9K_PHYERR_RADAR = 5, /* Radar detect */ 207 ATH9K_PHYERR_SERVICE = 6, /* Illegal service */ 208 ATH9K_PHYERR_TOR = 7, /* Transmit override receive */ 209 210 ATH9K_PHYERR_OFDM_TIMING = 17, 211 ATH9K_PHYERR_OFDM_SIGNAL_PARITY = 18, 212 ATH9K_PHYERR_OFDM_RATE_ILLEGAL = 19, 213 ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL = 20, 214 ATH9K_PHYERR_OFDM_POWER_DROP = 21, 215 ATH9K_PHYERR_OFDM_SERVICE = 22, 216 ATH9K_PHYERR_OFDM_RESTART = 23, 217 ATH9K_PHYERR_FALSE_RADAR_EXT = 24, 218 219 ATH9K_PHYERR_CCK_TIMING = 25, 220 ATH9K_PHYERR_CCK_HEADER_CRC = 26, 221 ATH9K_PHYERR_CCK_RATE_ILLEGAL = 27, 222 ATH9K_PHYERR_CCK_SERVICE = 30, 223 ATH9K_PHYERR_CCK_RESTART = 31, 224 ATH9K_PHYERR_CCK_LENGTH_ILLEGAL = 32, 225 ATH9K_PHYERR_CCK_POWER_DROP = 33, 226 227 ATH9K_PHYERR_HT_CRC_ERROR = 34, 228 ATH9K_PHYERR_HT_LENGTH_ILLEGAL = 35, 229 ATH9K_PHYERR_HT_RATE_ILLEGAL = 36, 230 231 ATH9K_PHYERR_SPECTRAL = 38, 232 ATH9K_PHYERR_MAX = 39, 233 }; 234 235 struct ath_desc { 236 u32 ds_link; 237 u32 ds_data; 238 u32 ds_ctl0; 239 u32 ds_ctl1; 240 u32 ds_hw[20]; 241 void *ds_vdata; 242 } __packed __aligned(4); 243 244 #define ATH9K_TXDESC_NOACK 0x0002 245 #define ATH9K_TXDESC_RTSENA 0x0004 246 #define ATH9K_TXDESC_CTSENA 0x0008 247 /* ATH9K_TXDESC_INTREQ forces a tx interrupt to be generated for 248 * the descriptor its marked on. We take a tx interrupt to reap 249 * descriptors when the h/w hits an EOL condition or 250 * when the descriptor is specifically marked to generate 251 * an interrupt with this flag. Descriptors should be 252 * marked periodically to insure timely replenishing of the 253 * supply needed for sending frames. Defering interrupts 254 * reduces system load and potentially allows more concurrent 255 * work to be done but if done to aggressively can cause 256 * senders to backup. When the hardware queue is left too 257 * large rate control information may also be too out of 258 * date. An Alternative for this is TX interrupt mitigation 259 * but this needs more testing. */ 260 #define ATH9K_TXDESC_INTREQ 0x0010 261 #define ATH9K_TXDESC_VEOL 0x0020 262 #define ATH9K_TXDESC_EXT_ONLY 0x0040 263 #define ATH9K_TXDESC_EXT_AND_CTL 0x0080 264 #define ATH9K_TXDESC_VMF 0x0100 265 #define ATH9K_TXDESC_FRAG_IS_ON 0x0200 266 #define ATH9K_TXDESC_LOWRXCHAIN 0x0400 267 #define ATH9K_TXDESC_LDPC 0x0800 268 #define ATH9K_TXDESC_CLRDMASK 0x1000 269 270 #define ATH9K_TXDESC_PAPRD 0x70000 271 #define ATH9K_TXDESC_PAPRD_S 16 272 273 #define ATH9K_RXDESC_INTREQ 0x0020 274 275 struct ar5416_desc { 276 u32 ds_link; 277 u32 ds_data; 278 u32 ds_ctl0; 279 u32 ds_ctl1; 280 union { 281 struct { 282 u32 ctl2; 283 u32 ctl3; 284 u32 ctl4; 285 u32 ctl5; 286 u32 ctl6; 287 u32 ctl7; 288 u32 ctl8; 289 u32 ctl9; 290 u32 ctl10; 291 u32 ctl11; 292 u32 status0; 293 u32 status1; 294 u32 status2; 295 u32 status3; 296 u32 status4; 297 u32 status5; 298 u32 status6; 299 u32 status7; 300 u32 status8; 301 u32 status9; 302 } tx; 303 struct { 304 u32 status0; 305 u32 status1; 306 u32 status2; 307 u32 status3; 308 u32 status4; 309 u32 status5; 310 u32 status6; 311 u32 status7; 312 u32 status8; 313 } rx; 314 } u; 315 } __packed __aligned(4); 316 317 #define AR5416DESC(_ds) ((struct ar5416_desc *)(_ds)) 318 #define AR5416DESC_CONST(_ds) ((const struct ar5416_desc *)(_ds)) 319 320 #define ds_ctl2 u.tx.ctl2 321 #define ds_ctl3 u.tx.ctl3 322 #define ds_ctl4 u.tx.ctl4 323 #define ds_ctl5 u.tx.ctl5 324 #define ds_ctl6 u.tx.ctl6 325 #define ds_ctl7 u.tx.ctl7 326 #define ds_ctl8 u.tx.ctl8 327 #define ds_ctl9 u.tx.ctl9 328 #define ds_ctl10 u.tx.ctl10 329 #define ds_ctl11 u.tx.ctl11 330 331 #define ds_txstatus0 u.tx.status0 332 #define ds_txstatus1 u.tx.status1 333 #define ds_txstatus2 u.tx.status2 334 #define ds_txstatus3 u.tx.status3 335 #define ds_txstatus4 u.tx.status4 336 #define ds_txstatus5 u.tx.status5 337 #define ds_txstatus6 u.tx.status6 338 #define ds_txstatus7 u.tx.status7 339 #define ds_txstatus8 u.tx.status8 340 #define ds_txstatus9 u.tx.status9 341 342 #define ds_rxstatus0 u.rx.status0 343 #define ds_rxstatus1 u.rx.status1 344 #define ds_rxstatus2 u.rx.status2 345 #define ds_rxstatus3 u.rx.status3 346 #define ds_rxstatus4 u.rx.status4 347 #define ds_rxstatus5 u.rx.status5 348 #define ds_rxstatus6 u.rx.status6 349 #define ds_rxstatus7 u.rx.status7 350 #define ds_rxstatus8 u.rx.status8 351 352 #define AR_FrameLen 0x00000fff 353 #define AR_VirtMoreFrag 0x00001000 354 #define AR_TxCtlRsvd00 0x0000e000 355 #define AR_XmitPower 0x003f0000 356 #define AR_XmitPower_S 16 357 #define AR_RTSEnable 0x00400000 358 #define AR_VEOL 0x00800000 359 #define AR_ClrDestMask 0x01000000 360 #define AR_TxCtlRsvd01 0x1e000000 361 #define AR_TxIntrReq 0x20000000 362 #define AR_DestIdxValid 0x40000000 363 #define AR_CTSEnable 0x80000000 364 365 #define AR_TxMore 0x00001000 366 #define AR_DestIdx 0x000fe000 367 #define AR_DestIdx_S 13 368 #define AR_FrameType 0x00f00000 369 #define AR_FrameType_S 20 370 #define AR_NoAck 0x01000000 371 #define AR_InsertTS 0x02000000 372 #define AR_CorruptFCS 0x04000000 373 #define AR_ExtOnly 0x08000000 374 #define AR_ExtAndCtl 0x10000000 375 #define AR_MoreAggr 0x20000000 376 #define AR_IsAggr 0x40000000 377 378 #define AR_BurstDur 0x00007fff 379 #define AR_BurstDur_S 0 380 #define AR_DurUpdateEna 0x00008000 381 #define AR_XmitDataTries0 0x000f0000 382 #define AR_XmitDataTries0_S 16 383 #define AR_XmitDataTries1 0x00f00000 384 #define AR_XmitDataTries1_S 20 385 #define AR_XmitDataTries2 0x0f000000 386 #define AR_XmitDataTries2_S 24 387 #define AR_XmitDataTries3 0xf0000000 388 #define AR_XmitDataTries3_S 28 389 390 #define AR_XmitRate0 0x000000ff 391 #define AR_XmitRate0_S 0 392 #define AR_XmitRate1 0x0000ff00 393 #define AR_XmitRate1_S 8 394 #define AR_XmitRate2 0x00ff0000 395 #define AR_XmitRate2_S 16 396 #define AR_XmitRate3 0xff000000 397 #define AR_XmitRate3_S 24 398 399 #define AR_PacketDur0 0x00007fff 400 #define AR_PacketDur0_S 0 401 #define AR_RTSCTSQual0 0x00008000 402 #define AR_PacketDur1 0x7fff0000 403 #define AR_PacketDur1_S 16 404 #define AR_RTSCTSQual1 0x80000000 405 406 #define AR_PacketDur2 0x00007fff 407 #define AR_PacketDur2_S 0 408 #define AR_RTSCTSQual2 0x00008000 409 #define AR_PacketDur3 0x7fff0000 410 #define AR_PacketDur3_S 16 411 #define AR_RTSCTSQual3 0x80000000 412 413 #define AR_AggrLen 0x0000ffff 414 #define AR_AggrLen_S 0 415 #define AR_TxCtlRsvd60 0x00030000 416 #define AR_PadDelim 0x03fc0000 417 #define AR_PadDelim_S 18 418 #define AR_EncrType 0x0c000000 419 #define AR_EncrType_S 26 420 #define AR_TxCtlRsvd61 0xf0000000 421 #define AR_LDPC 0x80000000 422 423 #define AR_2040_0 0x00000001 424 #define AR_GI0 0x00000002 425 #define AR_ChainSel0 0x0000001c 426 #define AR_ChainSel0_S 2 427 #define AR_2040_1 0x00000020 428 #define AR_GI1 0x00000040 429 #define AR_ChainSel1 0x00000380 430 #define AR_ChainSel1_S 7 431 #define AR_2040_2 0x00000400 432 #define AR_GI2 0x00000800 433 #define AR_ChainSel2 0x00007000 434 #define AR_ChainSel2_S 12 435 #define AR_2040_3 0x00008000 436 #define AR_GI3 0x00010000 437 #define AR_ChainSel3 0x000e0000 438 #define AR_ChainSel3_S 17 439 #define AR_RTSCTSRate 0x0ff00000 440 #define AR_RTSCTSRate_S 20 441 #define AR_STBC0 0x10000000 442 #define AR_STBC1 0x20000000 443 #define AR_STBC2 0x40000000 444 #define AR_STBC3 0x80000000 445 446 #define AR_TxRSSIAnt00 0x000000ff 447 #define AR_TxRSSIAnt00_S 0 448 #define AR_TxRSSIAnt01 0x0000ff00 449 #define AR_TxRSSIAnt01_S 8 450 #define AR_TxRSSIAnt02 0x00ff0000 451 #define AR_TxRSSIAnt02_S 16 452 #define AR_TxStatusRsvd00 0x3f000000 453 #define AR_TxBaStatus 0x40000000 454 #define AR_TxStatusRsvd01 0x80000000 455 456 /* 457 * AR_FrmXmitOK - Frame transmission success flag. If set, the frame was 458 * transmitted successfully. If clear, no ACK or BA was received to indicate 459 * successful transmission when we were expecting an ACK or BA. 460 */ 461 #define AR_FrmXmitOK 0x00000001 462 #define AR_ExcessiveRetries 0x00000002 463 #define AR_FIFOUnderrun 0x00000004 464 #define AR_Filtered 0x00000008 465 #define AR_RTSFailCnt 0x000000f0 466 #define AR_RTSFailCnt_S 4 467 #define AR_DataFailCnt 0x00000f00 468 #define AR_DataFailCnt_S 8 469 #define AR_VirtRetryCnt 0x0000f000 470 #define AR_VirtRetryCnt_S 12 471 #define AR_TxDelimUnderrun 0x00010000 472 #define AR_TxDataUnderrun 0x00020000 473 #define AR_DescCfgErr 0x00040000 474 #define AR_TxTimerExpired 0x00080000 475 #define AR_TxStatusRsvd10 0xfff00000 476 477 #define AR_SendTimestamp ds_txstatus2 478 #define AR_BaBitmapLow ds_txstatus3 479 #define AR_BaBitmapHigh ds_txstatus4 480 481 #define AR_TxRSSIAnt10 0x000000ff 482 #define AR_TxRSSIAnt10_S 0 483 #define AR_TxRSSIAnt11 0x0000ff00 484 #define AR_TxRSSIAnt11_S 8 485 #define AR_TxRSSIAnt12 0x00ff0000 486 #define AR_TxRSSIAnt12_S 16 487 #define AR_TxRSSICombined 0xff000000 488 #define AR_TxRSSICombined_S 24 489 490 #define AR_TxTid 0xf0000000 491 #define AR_TxTid_S 28 492 493 #define AR_TxEVM0 ds_txstatus5 494 #define AR_TxEVM1 ds_txstatus6 495 #define AR_TxEVM2 ds_txstatus7 496 497 #define AR_TxDone 0x00000001 498 #define AR_SeqNum 0x00001ffe 499 #define AR_SeqNum_S 1 500 #define AR_TxStatusRsvd80 0x0001e000 501 #define AR_TxOpExceeded 0x00020000 502 #define AR_TxStatusRsvd81 0x001c0000 503 #define AR_FinalTxIdx 0x00600000 504 #define AR_FinalTxIdx_S 21 505 #define AR_TxStatusRsvd82 0x01800000 506 #define AR_PowerMgmt 0x02000000 507 #define AR_TxStatusRsvd83 0xfc000000 508 509 #define AR_RxCTLRsvd00 0xffffffff 510 511 #define AR_RxCtlRsvd00 0x00001000 512 #define AR_RxIntrReq 0x00002000 513 #define AR_RxCtlRsvd01 0xffffc000 514 515 #define AR_RxRSSIAnt00 0x000000ff 516 #define AR_RxRSSIAnt00_S 0 517 #define AR_RxRSSIAnt01 0x0000ff00 518 #define AR_RxRSSIAnt01_S 8 519 #define AR_RxRSSIAnt02 0x00ff0000 520 #define AR_RxRSSIAnt02_S 16 521 #define AR_RxRate 0xff000000 522 #define AR_RxRate_S 24 523 #define AR_RxStatusRsvd00 0xff000000 524 525 #define AR_DataLen 0x00000fff 526 #define AR_RxMore 0x00001000 527 #define AR_NumDelim 0x003fc000 528 #define AR_NumDelim_S 14 529 #define AR_RxStatusRsvd10 0xff800000 530 531 #define AR_RcvTimestamp ds_rxstatus2 532 533 #define AR_GI 0x00000001 534 #define AR_2040 0x00000002 535 #define AR_Parallel40 0x00000004 536 #define AR_Parallel40_S 2 537 #define AR_STBC 0x00000008 /* on ar9280 and later */ 538 #define AR_RxStatusRsvd30 0x000000f0 539 #define AR_RxAntenna 0xffffff00 540 #define AR_RxAntenna_S 8 541 542 #define AR_RxRSSIAnt10 0x000000ff 543 #define AR_RxRSSIAnt10_S 0 544 #define AR_RxRSSIAnt11 0x0000ff00 545 #define AR_RxRSSIAnt11_S 8 546 #define AR_RxRSSIAnt12 0x00ff0000 547 #define AR_RxRSSIAnt12_S 16 548 #define AR_RxRSSICombined 0xff000000 549 #define AR_RxRSSICombined_S 24 550 551 #define AR_RxEVM0 ds_rxstatus4 552 #define AR_RxEVM1 ds_rxstatus5 553 #define AR_RxEVM2 ds_rxstatus6 554 555 #define AR_RxDone 0x00000001 556 #define AR_RxFrameOK 0x00000002 557 #define AR_CRCErr 0x00000004 558 #define AR_DecryptCRCErr 0x00000008 559 #define AR_PHYErr 0x00000010 560 #define AR_MichaelErr 0x00000020 561 #define AR_PreDelimCRCErr 0x00000040 562 #define AR_RxStatusRsvd70 0x00000080 563 #define AR_RxKeyIdxValid 0x00000100 564 #define AR_KeyIdx 0x0000fe00 565 #define AR_KeyIdx_S 9 566 #define AR_PHYErrCode 0x0000ff00 567 #define AR_PHYErrCode_S 8 568 #define AR_RxMoreAggr 0x00010000 569 #define AR_RxAggr 0x00020000 570 #define AR_PostDelimCRCErr 0x00040000 571 #define AR_RxStatusRsvd71 0x3ff80000 572 #define AR_DecryptBusyErr 0x40000000 573 #define AR_KeyMiss 0x80000000 574 575 enum ath9k_tx_queue { 576 ATH9K_TX_QUEUE_INACTIVE = 0, 577 ATH9K_TX_QUEUE_DATA, 578 ATH9K_TX_QUEUE_BEACON, 579 ATH9K_TX_QUEUE_CAB, 580 ATH9K_TX_QUEUE_UAPSD, 581 ATH9K_TX_QUEUE_PSPOLL 582 }; 583 584 #define ATH9K_NUM_TX_QUEUES 10 585 586 /* Used as a queue subtype instead of a WMM AC */ 587 #define ATH9K_WME_UPSD 4 588 589 enum ath9k_tx_queue_flags { 590 TXQ_FLAG_TXINT_ENABLE = 0x0001, 591 TXQ_FLAG_TXDESCINT_ENABLE = 0x0002, 592 TXQ_FLAG_TXEOLINT_ENABLE = 0x0004, 593 TXQ_FLAG_TXURNINT_ENABLE = 0x0008, 594 TXQ_FLAG_BACKOFF_DISABLE = 0x0010, 595 TXQ_FLAG_COMPRESSION_ENABLE = 0x0020, 596 TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE = 0x0040, 597 TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE = 0x0080, 598 }; 599 600 #define ATH9K_TXQ_USEDEFAULT ((u32) -1) 601 #define ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS 0x00000001 602 603 #define ATH9K_DECOMP_MASK_SIZE 128 604 #define ATH9K_READY_TIME_LO_BOUND 50 605 #define ATH9K_READY_TIME_HI_BOUND 96 606 607 enum ath9k_pkt_type { 608 ATH9K_PKT_TYPE_NORMAL = 0, 609 ATH9K_PKT_TYPE_ATIM, 610 ATH9K_PKT_TYPE_PSPOLL, 611 ATH9K_PKT_TYPE_BEACON, 612 ATH9K_PKT_TYPE_PROBE_RESP, 613 ATH9K_PKT_TYPE_CHIRP, 614 ATH9K_PKT_TYPE_GRP_POLL, 615 }; 616 617 struct ath9k_tx_queue_info { 618 u32 tqi_ver; 619 enum ath9k_tx_queue tqi_type; 620 int tqi_subtype; 621 enum ath9k_tx_queue_flags tqi_qflags; 622 u32 tqi_priority; 623 u32 tqi_aifs; 624 u32 tqi_cwmin; 625 u32 tqi_cwmax; 626 u16 tqi_shretry; 627 u16 tqi_lgretry; 628 u32 tqi_cbrPeriod; 629 u32 tqi_cbrOverflowLimit; 630 u32 tqi_burstTime; 631 u32 tqi_readyTime; 632 u32 tqi_physCompBuf; 633 u32 tqi_intFlags; 634 }; 635 636 enum ath9k_rx_filter { 637 ATH9K_RX_FILTER_UCAST = 0x00000001, 638 ATH9K_RX_FILTER_MCAST = 0x00000002, 639 ATH9K_RX_FILTER_BCAST = 0x00000004, 640 ATH9K_RX_FILTER_CONTROL = 0x00000008, 641 ATH9K_RX_FILTER_BEACON = 0x00000010, 642 ATH9K_RX_FILTER_PROM = 0x00000020, 643 ATH9K_RX_FILTER_PROBEREQ = 0x00000080, 644 ATH9K_RX_FILTER_PHYERR = 0x00000100, 645 ATH9K_RX_FILTER_MYBEACON = 0x00000200, 646 ATH9K_RX_FILTER_COMP_BAR = 0x00000400, 647 ATH9K_RX_FILTER_COMP_BA = 0x00000800, 648 ATH9K_RX_FILTER_UNCOMP_BA_BAR = 0x00001000, 649 ATH9K_RX_FILTER_PSPOLL = 0x00004000, 650 ATH9K_RX_FILTER_PHYRADAR = 0x00002000, 651 ATH9K_RX_FILTER_MCAST_BCAST_ALL = 0x00008000, 652 ATH9K_RX_FILTER_CONTROL_WRAPPER = 0x00080000, 653 ATH9K_RX_FILTER_4ADDRESS = 0x00100000, 654 }; 655 656 #define ATH9K_RATESERIES_RTS_CTS 0x0001 657 #define ATH9K_RATESERIES_2040 0x0002 658 #define ATH9K_RATESERIES_HALFGI 0x0004 659 #define ATH9K_RATESERIES_STBC 0x0008 660 661 struct ath9k_11n_rate_series { 662 u32 Tries; 663 u32 Rate; 664 u32 PktDuration; 665 u32 ChSel; 666 u32 RateFlags; 667 }; 668 669 enum aggr_type { 670 AGGR_BUF_NONE, 671 AGGR_BUF_FIRST, 672 AGGR_BUF_MIDDLE, 673 AGGR_BUF_LAST, 674 }; 675 676 enum ath9k_key_type { 677 ATH9K_KEY_TYPE_CLEAR, 678 ATH9K_KEY_TYPE_WEP, 679 ATH9K_KEY_TYPE_AES, 680 ATH9K_KEY_TYPE_TKIP, 681 }; 682 683 struct ath_tx_info { 684 u8 qcu; 685 686 bool is_first; 687 bool is_last; 688 689 enum aggr_type aggr; 690 u8 ndelim; 691 u16 aggr_len; 692 693 dma_addr_t link; 694 int pkt_len; 695 u32 flags; 696 697 dma_addr_t buf_addr[4]; 698 int buf_len[4]; 699 700 struct ath9k_11n_rate_series rates[4]; 701 u8 rtscts_rate; 702 bool dur_update; 703 704 enum ath9k_pkt_type type; 705 enum ath9k_key_type keytype; 706 u8 keyix; 707 u8 txpower; 708 }; 709 710 struct ath_hw; 711 struct ath9k_channel; 712 enum ath9k_int; 713 714 u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q); 715 void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp); 716 void ath9k_hw_txstart(struct ath_hw *ah, u32 q); 717 u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q); 718 bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel); 719 bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q); 720 void ath9k_hw_abort_tx_dma(struct ath_hw *ah); 721 bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q, 722 const struct ath9k_tx_queue_info *qinfo); 723 bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q, 724 struct ath9k_tx_queue_info *qinfo); 725 int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type, 726 const struct ath9k_tx_queue_info *qinfo); 727 bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q); 728 bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q); 729 int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, 730 struct ath_rx_status *rs); 731 void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds, 732 u32 size, u32 flags); 733 bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set); 734 void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp); 735 void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning); 736 void ath9k_hw_abortpcurecv(struct ath_hw *ah); 737 bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset); 738 int ath9k_hw_beaconq_setup(struct ath_hw *ah); 739 740 /* Interrupt Handling */ 741 bool ath9k_hw_intrpend(struct ath_hw *ah); 742 void ath9k_hw_set_interrupts(struct ath_hw *ah); 743 void ath9k_hw_enable_interrupts(struct ath_hw *ah); 744 void ath9k_hw_disable_interrupts(struct ath_hw *ah); 745 void ath9k_hw_kill_interrupts(struct ath_hw *ah); 746 747 void ar9002_hw_attach_mac_ops(struct ath_hw *ah); 748 749 #endif /* MAC_H */ 750