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 #include <net/cfg80211.h> 20 21 #define set11nTries(_series, _index) \ 22 (SM((_series)[_index].Tries, AR_XmitDataTries##_index)) 23 24 #define set11nRate(_series, _index) \ 25 (SM((_series)[_index].Rate, AR_XmitRate##_index)) 26 27 #define set11nPktDurRTSCTS(_series, _index) \ 28 (SM((_series)[_index].PktDuration, AR_PacketDur##_index) | \ 29 ((_series)[_index].RateFlags & ATH9K_RATESERIES_RTS_CTS ? \ 30 AR_RTSCTSQual##_index : 0)) 31 32 #define set11nRateFlags(_series, _index) \ 33 (((_series)[_index].RateFlags & ATH9K_RATESERIES_2040 ? \ 34 AR_2040_##_index : 0) \ 35 |((_series)[_index].RateFlags & ATH9K_RATESERIES_HALFGI ? \ 36 AR_GI##_index : 0) \ 37 |((_series)[_index].RateFlags & ATH9K_RATESERIES_STBC ? \ 38 AR_STBC##_index : 0)) 39 40 #define set11nChainSel(_series, _index) \ 41 (SM((_series)[_index].ChSel, AR_ChainSel##_index)) 42 43 #define CCK_SIFS_TIME 10 44 #define CCK_PREAMBLE_BITS 144 45 #define CCK_PLCP_BITS 48 46 47 #define OFDM_SIFS_TIME 16 48 #define OFDM_PREAMBLE_TIME 20 49 #define OFDM_PLCP_BITS 22 50 #define OFDM_SYMBOL_TIME 4 51 52 #define OFDM_SIFS_TIME_HALF 32 53 #define OFDM_PREAMBLE_TIME_HALF 40 54 #define OFDM_PLCP_BITS_HALF 22 55 #define OFDM_SYMBOL_TIME_HALF 8 56 57 #define OFDM_SIFS_TIME_QUARTER 64 58 #define OFDM_PREAMBLE_TIME_QUARTER 80 59 #define OFDM_PLCP_BITS_QUARTER 22 60 #define OFDM_SYMBOL_TIME_QUARTER 16 61 62 #define INIT_AIFS 2 63 #define INIT_CWMIN 15 64 #define INIT_CWMIN_11B 31 65 #define INIT_CWMAX 1023 66 #define INIT_SH_RETRY 10 67 #define INIT_LG_RETRY 10 68 #define INIT_SSH_RETRY 32 69 #define INIT_SLG_RETRY 32 70 71 #define ATH9K_TXERR_XRETRY 0x01 72 #define ATH9K_TXERR_FILT 0x02 73 #define ATH9K_TXERR_FIFO 0x04 74 #define ATH9K_TXERR_XTXOP 0x08 75 #define ATH9K_TXERR_TIMER_EXPIRED 0x10 76 #define ATH9K_TX_ACKED 0x20 77 #define ATH9K_TX_FLUSH 0x40 78 #define ATH9K_TXERR_MASK \ 79 (ATH9K_TXERR_XRETRY | ATH9K_TXERR_FILT | ATH9K_TXERR_FIFO | \ 80 ATH9K_TXERR_XTXOP | ATH9K_TXERR_TIMER_EXPIRED | ATH9K_TX_FLUSH) 81 82 #define ATH9K_TX_BA 0x01 83 #define ATH9K_TX_PWRMGMT 0x02 84 #define ATH9K_TX_DESC_CFG_ERR 0x04 85 #define ATH9K_TX_DATA_UNDERRUN 0x08 86 #define ATH9K_TX_DELIM_UNDERRUN 0x10 87 #define ATH9K_TX_SW_FILTERED 0x80 88 89 /* 64 bytes */ 90 #define MIN_TX_FIFO_THRESHOLD 0x1 91 92 /* 93 * Single stream device AR9285 and AR9271 require 2 KB 94 * to work around a hardware issue, all other devices 95 * have can use the max 4 KB limit. 96 */ 97 #define MAX_TX_FIFO_THRESHOLD ((4096 / 64) - 1) 98 99 struct ath_tx_status { 100 u32 ts_tstamp; 101 u16 ts_seqnum; 102 u8 ts_status; 103 u8 ts_rateindex; 104 int8_t ts_rssi; 105 u8 ts_shortretry; 106 u8 ts_longretry; 107 u8 ts_virtcol; 108 u8 ts_flags; 109 int8_t ts_rssi_ctl0; 110 int8_t ts_rssi_ctl1; 111 int8_t ts_rssi_ctl2; 112 int8_t ts_rssi_ext0; 113 int8_t ts_rssi_ext1; 114 int8_t ts_rssi_ext2; 115 u8 qid; 116 u16 desc_id; 117 u8 tid; 118 u32 ba_low; 119 u32 ba_high; 120 u32 evm0; 121 u32 evm1; 122 u32 evm2; 123 u32 duration; 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_ctl[3]; 137 int8_t rs_rssi_ext[3]; 138 u8 rs_isaggr; 139 u8 rs_firstaggr; 140 u8 rs_moreaggr; 141 u8 rs_num_delims; 142 u8 rs_flags; 143 bool is_mybeacon; 144 u32 evm0; 145 u32 evm1; 146 u32 evm2; 147 u32 evm3; 148 u32 evm4; 149 u16 enc_flags; 150 enum rate_info_bw bw; 151 }; 152 153 struct ath_htc_rx_status { 154 __be64 rs_tstamp; 155 __be16 rs_datalen; 156 u8 rs_status; 157 u8 rs_phyerr; 158 int8_t rs_rssi; 159 int8_t rs_rssi_ctl[3]; 160 int8_t rs_rssi_ext[3]; 161 u8 rs_keyix; 162 u8 rs_rate; 163 u8 rs_antenna; 164 u8 rs_more; 165 u8 rs_isaggr; 166 u8 rs_moreaggr; 167 u8 rs_num_delims; 168 u8 rs_flags; 169 u8 rs_dummy; 170 /* FIXME: evm* never used? */ 171 __be32 evm0; 172 __be32 evm1; 173 __be32 evm2; 174 }; 175 176 #define ATH9K_RXERR_CRC 0x01 177 #define ATH9K_RXERR_PHY 0x02 178 #define ATH9K_RXERR_FIFO 0x04 179 #define ATH9K_RXERR_DECRYPT 0x08 180 #define ATH9K_RXERR_MIC 0x10 181 #define ATH9K_RXERR_KEYMISS 0x20 182 #define ATH9K_RXERR_CORRUPT_DESC 0x40 183 184 #define ATH9K_RX_MORE 0x01 185 #define ATH9K_RX_MORE_AGGR 0x02 186 #define ATH9K_RX_GI 0x04 187 #define ATH9K_RX_2040 0x08 188 #define ATH9K_RX_DELIM_CRC_PRE 0x10 189 #define ATH9K_RX_DELIM_CRC_POST 0x20 190 #define ATH9K_RX_DECRYPT_BUSY 0x40 191 192 #define ATH9K_RXKEYIX_INVALID ((u8)-1) 193 #define ATH9K_TXKEYIX_INVALID ((u8)-1) 194 195 enum ath9k_phyerr { 196 ATH9K_PHYERR_UNDERRUN = 0, /* Transmit underrun */ 197 ATH9K_PHYERR_TIMING = 1, /* Timing error */ 198 ATH9K_PHYERR_PARITY = 2, /* Illegal parity */ 199 ATH9K_PHYERR_RATE = 3, /* Illegal rate */ 200 ATH9K_PHYERR_LENGTH = 4, /* Illegal length */ 201 ATH9K_PHYERR_RADAR = 5, /* Radar detect */ 202 ATH9K_PHYERR_SERVICE = 6, /* Illegal service */ 203 ATH9K_PHYERR_TOR = 7, /* Transmit override receive */ 204 205 ATH9K_PHYERR_OFDM_TIMING = 17, 206 ATH9K_PHYERR_OFDM_SIGNAL_PARITY = 18, 207 ATH9K_PHYERR_OFDM_RATE_ILLEGAL = 19, 208 ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL = 20, 209 ATH9K_PHYERR_OFDM_POWER_DROP = 21, 210 ATH9K_PHYERR_OFDM_SERVICE = 22, 211 ATH9K_PHYERR_OFDM_RESTART = 23, 212 213 ATH9K_PHYERR_CCK_BLOCKER = 24, 214 ATH9K_PHYERR_CCK_TIMING = 25, 215 ATH9K_PHYERR_CCK_HEADER_CRC = 26, 216 ATH9K_PHYERR_CCK_RATE_ILLEGAL = 27, 217 ATH9K_PHYERR_CCK_LENGTH_ILLEGAL = 28, 218 ATH9K_PHYERR_CCK_POWER_DROP = 29, 219 ATH9K_PHYERR_CCK_SERVICE = 30, 220 ATH9K_PHYERR_CCK_RESTART = 31, 221 222 ATH9K_PHYERR_HT_CRC_ERROR = 32, 223 ATH9K_PHYERR_HT_LENGTH_ILLEGAL = 33, 224 ATH9K_PHYERR_HT_RATE_ILLEGAL = 34, 225 ATH9K_PHYERR_HT_ZLF = 35, 226 227 ATH9K_PHYERR_FALSE_RADAR_EXT = 36, 228 ATH9K_PHYERR_GREEN_FIELD = 37, 229 ATH9K_PHYERR_SPECTRAL = 38, 230 231 ATH9K_PHYERR_MAX = 39, 232 }; 233 234 struct ath_desc { 235 u32 ds_link; 236 u32 ds_data; 237 u32 ds_ctl0; 238 u32 ds_ctl1; 239 u32 ds_hw[20]; 240 void *ds_vdata; 241 } __packed __aligned(4); 242 243 #define ATH9K_TXDESC_NOACK 0x0002 244 #define ATH9K_TXDESC_RTSENA 0x0004 245 #define ATH9K_TXDESC_CTSENA 0x0008 246 /* ATH9K_TXDESC_INTREQ forces a tx interrupt to be generated for 247 * the descriptor its marked on. We take a tx interrupt to reap 248 * descriptors when the h/w hits an EOL condition or 249 * when the descriptor is specifically marked to generate 250 * an interrupt with this flag. Descriptors should be 251 * marked periodically to insure timely replenishing of the 252 * supply needed for sending frames. Defering interrupts 253 * reduces system load and potentially allows more concurrent 254 * work to be done but if done to aggressively can cause 255 * senders to backup. When the hardware queue is left too 256 * large rate control information may also be too out of 257 * date. An Alternative for this is TX interrupt mitigation 258 * but this needs more testing. */ 259 #define ATH9K_TXDESC_INTREQ 0x0010 260 #define ATH9K_TXDESC_VEOL 0x0020 261 #define ATH9K_TXDESC_EXT_ONLY 0x0040 262 #define ATH9K_TXDESC_EXT_AND_CTL 0x0080 263 #define ATH9K_TXDESC_VMF 0x0100 264 #define ATH9K_TXDESC_FRAG_IS_ON 0x0200 265 #define ATH9K_TXDESC_LOWRXCHAIN 0x0400 266 #define ATH9K_TXDESC_LDPC 0x0800 267 #define ATH9K_TXDESC_CLRDMASK 0x1000 268 269 #define ATH9K_TXDESC_PAPRD 0x70000 270 #define ATH9K_TXDESC_PAPRD_S 16 271 272 #define ATH9K_RXDESC_INTREQ 0x0020 273 274 struct ar5416_desc { 275 u32 ds_link; 276 u32 ds_data; 277 u32 ds_ctl0; 278 u32 ds_ctl1; 279 union { 280 struct { 281 u32 ctl2; 282 u32 ctl3; 283 u32 ctl4; 284 u32 ctl5; 285 u32 ctl6; 286 u32 ctl7; 287 u32 ctl8; 288 u32 ctl9; 289 u32 ctl10; 290 u32 ctl11; 291 u32 status0; 292 u32 status1; 293 u32 status2; 294 u32 status3; 295 u32 status4; 296 u32 status5; 297 u32 status6; 298 u32 status7; 299 u32 status8; 300 u32 status9; 301 } tx; 302 struct { 303 u32 status0; 304 u32 status1; 305 u32 status2; 306 u32 status3; 307 u32 status4; 308 u32 status5; 309 u32 status6; 310 u32 status7; 311 u32 status8; 312 } rx; 313 } u; 314 } __packed __aligned(4); 315 316 #define AR5416DESC(_ds) ((struct ar5416_desc *)(_ds)) 317 #define AR5416DESC_CONST(_ds) ((const struct ar5416_desc *)(_ds)) 318 319 #define ds_ctl2 u.tx.ctl2 320 #define ds_ctl3 u.tx.ctl3 321 #define ds_ctl4 u.tx.ctl4 322 #define ds_ctl5 u.tx.ctl5 323 #define ds_ctl6 u.tx.ctl6 324 #define ds_ctl7 u.tx.ctl7 325 #define ds_ctl8 u.tx.ctl8 326 #define ds_ctl9 u.tx.ctl9 327 #define ds_ctl10 u.tx.ctl10 328 #define ds_ctl11 u.tx.ctl11 329 330 #define ds_txstatus0 u.tx.status0 331 #define ds_txstatus1 u.tx.status1 332 #define ds_txstatus2 u.tx.status2 333 #define ds_txstatus3 u.tx.status3 334 #define ds_txstatus4 u.tx.status4 335 #define ds_txstatus5 u.tx.status5 336 #define ds_txstatus6 u.tx.status6 337 #define ds_txstatus7 u.tx.status7 338 #define ds_txstatus8 u.tx.status8 339 #define ds_txstatus9 u.tx.status9 340 341 #define ds_rxstatus0 u.rx.status0 342 #define ds_rxstatus1 u.rx.status1 343 #define ds_rxstatus2 u.rx.status2 344 #define ds_rxstatus3 u.rx.status3 345 #define ds_rxstatus4 u.rx.status4 346 #define ds_rxstatus5 u.rx.status5 347 #define ds_rxstatus6 u.rx.status6 348 #define ds_rxstatus7 u.rx.status7 349 #define ds_rxstatus8 u.rx.status8 350 351 #define AR_FrameLen 0x00000fff 352 #define AR_VirtMoreFrag 0x00001000 353 #define AR_TxCtlRsvd00 0x0000e000 354 #define AR_XmitPower0 0x003f0000 355 #define AR_XmitPower0_S 16 356 #define AR_XmitPower1 0x3f000000 357 #define AR_XmitPower1_S 24 358 #define AR_XmitPower2 0x3f000000 359 #define AR_XmitPower2_S 24 360 #define AR_XmitPower3 0x3f000000 361 #define AR_XmitPower3_S 24 362 #define AR_RTSEnable 0x00400000 363 #define AR_VEOL 0x00800000 364 #define AR_ClrDestMask 0x01000000 365 #define AR_TxCtlRsvd01 0x1e000000 366 #define AR_TxIntrReq 0x20000000 367 #define AR_DestIdxValid 0x40000000 368 #define AR_CTSEnable 0x80000000 369 370 #define AR_TxMore 0x00001000 371 #define AR_DestIdx 0x000fe000 372 #define AR_DestIdx_S 13 373 #define AR_FrameType 0x00f00000 374 #define AR_FrameType_S 20 375 #define AR_NoAck 0x01000000 376 #define AR_InsertTS 0x02000000 377 #define AR_CorruptFCS 0x04000000 378 #define AR_ExtOnly 0x08000000 379 #define AR_ExtAndCtl 0x10000000 380 #define AR_MoreAggr 0x20000000 381 #define AR_IsAggr 0x40000000 382 383 #define AR_BurstDur 0x00007fff 384 #define AR_BurstDur_S 0 385 #define AR_DurUpdateEna 0x00008000 386 #define AR_XmitDataTries0 0x000f0000 387 #define AR_XmitDataTries0_S 16 388 #define AR_XmitDataTries1 0x00f00000 389 #define AR_XmitDataTries1_S 20 390 #define AR_XmitDataTries2 0x0f000000 391 #define AR_XmitDataTries2_S 24 392 #define AR_XmitDataTries3 0xf0000000 393 #define AR_XmitDataTries3_S 28 394 395 #define AR_XmitRate0 0x000000ff 396 #define AR_XmitRate0_S 0 397 #define AR_XmitRate1 0x0000ff00 398 #define AR_XmitRate1_S 8 399 #define AR_XmitRate2 0x00ff0000 400 #define AR_XmitRate2_S 16 401 #define AR_XmitRate3 0xff000000 402 #define AR_XmitRate3_S 24 403 404 #define AR_PacketDur0 0x00007fff 405 #define AR_PacketDur0_S 0 406 #define AR_RTSCTSQual0 0x00008000 407 #define AR_PacketDur1 0x7fff0000 408 #define AR_PacketDur1_S 16 409 #define AR_RTSCTSQual1 0x80000000 410 411 #define AR_PacketDur2 0x00007fff 412 #define AR_PacketDur2_S 0 413 #define AR_RTSCTSQual2 0x00008000 414 #define AR_PacketDur3 0x7fff0000 415 #define AR_PacketDur3_S 16 416 #define AR_RTSCTSQual3 0x80000000 417 418 #define AR_AggrLen 0x0000ffff 419 #define AR_AggrLen_S 0 420 #define AR_TxCtlRsvd60 0x00030000 421 #define AR_PadDelim 0x03fc0000 422 #define AR_PadDelim_S 18 423 #define AR_EncrType 0x0c000000 424 #define AR_EncrType_S 26 425 #define AR_TxCtlRsvd61 0xf0000000 426 #define AR_LDPC 0x80000000 427 428 #define AR_2040_0 0x00000001 429 #define AR_GI0 0x00000002 430 #define AR_ChainSel0 0x0000001c 431 #define AR_ChainSel0_S 2 432 #define AR_2040_1 0x00000020 433 #define AR_GI1 0x00000040 434 #define AR_ChainSel1 0x00000380 435 #define AR_ChainSel1_S 7 436 #define AR_2040_2 0x00000400 437 #define AR_GI2 0x00000800 438 #define AR_ChainSel2 0x00007000 439 #define AR_ChainSel2_S 12 440 #define AR_2040_3 0x00008000 441 #define AR_GI3 0x00010000 442 #define AR_ChainSel3 0x000e0000 443 #define AR_ChainSel3_S 17 444 #define AR_RTSCTSRate 0x0ff00000 445 #define AR_RTSCTSRate_S 20 446 #define AR_STBC0 0x10000000 447 #define AR_STBC1 0x20000000 448 #define AR_STBC2 0x40000000 449 #define AR_STBC3 0x80000000 450 451 #define AR_TxRSSIAnt00 0x000000ff 452 #define AR_TxRSSIAnt00_S 0 453 #define AR_TxRSSIAnt01 0x0000ff00 454 #define AR_TxRSSIAnt01_S 8 455 #define AR_TxRSSIAnt02 0x00ff0000 456 #define AR_TxRSSIAnt02_S 16 457 #define AR_TxStatusRsvd00 0x3f000000 458 #define AR_TxBaStatus 0x40000000 459 #define AR_TxStatusRsvd01 0x80000000 460 461 /* 462 * AR_FrmXmitOK - Frame transmission success flag. If set, the frame was 463 * transmitted successfully. If clear, no ACK or BA was received to indicate 464 * successful transmission when we were expecting an ACK or BA. 465 */ 466 #define AR_FrmXmitOK 0x00000001 467 #define AR_ExcessiveRetries 0x00000002 468 #define AR_FIFOUnderrun 0x00000004 469 #define AR_Filtered 0x00000008 470 #define AR_RTSFailCnt 0x000000f0 471 #define AR_RTSFailCnt_S 4 472 #define AR_DataFailCnt 0x00000f00 473 #define AR_DataFailCnt_S 8 474 #define AR_VirtRetryCnt 0x0000f000 475 #define AR_VirtRetryCnt_S 12 476 #define AR_TxDelimUnderrun 0x00010000 477 #define AR_TxDataUnderrun 0x00020000 478 #define AR_DescCfgErr 0x00040000 479 #define AR_TxTimerExpired 0x00080000 480 #define AR_TxStatusRsvd10 0xfff00000 481 482 #define AR_SendTimestamp ds_txstatus2 483 #define AR_BaBitmapLow ds_txstatus3 484 #define AR_BaBitmapHigh ds_txstatus4 485 486 #define AR_TxRSSIAnt10 0x000000ff 487 #define AR_TxRSSIAnt10_S 0 488 #define AR_TxRSSIAnt11 0x0000ff00 489 #define AR_TxRSSIAnt11_S 8 490 #define AR_TxRSSIAnt12 0x00ff0000 491 #define AR_TxRSSIAnt12_S 16 492 #define AR_TxRSSICombined 0xff000000 493 #define AR_TxRSSICombined_S 24 494 495 #define AR_TxTid 0xf0000000 496 #define AR_TxTid_S 28 497 498 #define AR_TxEVM0 ds_txstatus5 499 #define AR_TxEVM1 ds_txstatus6 500 #define AR_TxEVM2 ds_txstatus7 501 502 #define AR_TxDone 0x00000001 503 #define AR_SeqNum 0x00001ffe 504 #define AR_SeqNum_S 1 505 #define AR_TxStatusRsvd80 0x0001e000 506 #define AR_TxOpExceeded 0x00020000 507 #define AR_TxStatusRsvd81 0x001c0000 508 #define AR_FinalTxIdx 0x00600000 509 #define AR_FinalTxIdx_S 21 510 #define AR_TxStatusRsvd82 0x01800000 511 #define AR_PowerMgmt 0x02000000 512 #define AR_TxStatusRsvd83 0xfc000000 513 514 #define AR_RxCTLRsvd00 0xffffffff 515 516 #define AR_RxCtlRsvd00 0x00001000 517 #define AR_RxIntrReq 0x00002000 518 #define AR_RxCtlRsvd01 0xffffc000 519 520 #define AR_RxRSSIAnt00 0x000000ff 521 #define AR_RxRSSIAnt00_S 0 522 #define AR_RxRSSIAnt01 0x0000ff00 523 #define AR_RxRSSIAnt01_S 8 524 #define AR_RxRSSIAnt02 0x00ff0000 525 #define AR_RxRSSIAnt02_S 16 526 #define AR_RxRate 0xff000000 527 #define AR_RxRate_S 24 528 #define AR_RxStatusRsvd00 0xff000000 529 530 #define AR_DataLen 0x00000fff 531 #define AR_RxMore 0x00001000 532 #define AR_NumDelim 0x003fc000 533 #define AR_NumDelim_S 14 534 #define AR_RxStatusRsvd10 0xff800000 535 536 #define AR_RcvTimestamp ds_rxstatus2 537 538 #define AR_GI 0x00000001 539 #define AR_2040 0x00000002 540 #define AR_Parallel40 0x00000004 541 #define AR_Parallel40_S 2 542 #define AR_STBC 0x00000008 /* on ar9280 and later */ 543 #define AR_RxStatusRsvd30 0x000000f0 544 #define AR_RxAntenna 0xffffff00 545 #define AR_RxAntenna_S 8 546 547 #define AR_RxRSSIAnt10 0x000000ff 548 #define AR_RxRSSIAnt10_S 0 549 #define AR_RxRSSIAnt11 0x0000ff00 550 #define AR_RxRSSIAnt11_S 8 551 #define AR_RxRSSIAnt12 0x00ff0000 552 #define AR_RxRSSIAnt12_S 16 553 #define AR_RxRSSICombined 0xff000000 554 #define AR_RxRSSICombined_S 24 555 556 #define AR_RxEVM0 ds_rxstatus4 557 #define AR_RxEVM1 ds_rxstatus5 558 #define AR_RxEVM2 ds_rxstatus6 559 560 #define AR_RxDone 0x00000001 561 #define AR_RxFrameOK 0x00000002 562 #define AR_CRCErr 0x00000004 563 #define AR_DecryptCRCErr 0x00000008 564 #define AR_PHYErr 0x00000010 565 #define AR_MichaelErr 0x00000020 566 #define AR_PreDelimCRCErr 0x00000040 567 #define AR_RxStatusRsvd70 0x00000080 568 #define AR_RxKeyIdxValid 0x00000100 569 #define AR_KeyIdx 0x0000fe00 570 #define AR_KeyIdx_S 9 571 #define AR_PHYErrCode 0x0000ff00 572 #define AR_PHYErrCode_S 8 573 #define AR_RxMoreAggr 0x00010000 574 #define AR_RxAggr 0x00020000 575 #define AR_PostDelimCRCErr 0x00040000 576 #define AR_RxStatusRsvd71 0x3ff80000 577 #define AR_RxFirstAggr 0x20000000 578 #define AR_DecryptBusyErr 0x40000000 579 #define AR_KeyMiss 0x80000000 580 581 enum ath9k_tx_queue { 582 ATH9K_TX_QUEUE_INACTIVE = 0, 583 ATH9K_TX_QUEUE_DATA, 584 ATH9K_TX_QUEUE_BEACON, 585 ATH9K_TX_QUEUE_CAB, 586 ATH9K_TX_QUEUE_UAPSD, 587 ATH9K_TX_QUEUE_PSPOLL 588 }; 589 590 #define ATH9K_NUM_TX_QUEUES 10 591 592 /* Used as a queue subtype instead of a WMM AC */ 593 #define ATH9K_WME_UPSD 4 594 595 enum ath9k_tx_queue_flags { 596 TXQ_FLAG_TXINT_ENABLE = 0x0001, 597 TXQ_FLAG_TXDESCINT_ENABLE = 0x0002, 598 TXQ_FLAG_TXEOLINT_ENABLE = 0x0004, 599 TXQ_FLAG_TXURNINT_ENABLE = 0x0008, 600 TXQ_FLAG_BACKOFF_DISABLE = 0x0010, 601 TXQ_FLAG_COMPRESSION_ENABLE = 0x0020, 602 TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE = 0x0040, 603 TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE = 0x0080, 604 }; 605 606 #define ATH9K_TXQ_USEDEFAULT ((u32) -1) 607 #define ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS 0x00000001 608 609 #define ATH9K_DECOMP_MASK_SIZE 128 610 611 enum ath9k_pkt_type { 612 ATH9K_PKT_TYPE_NORMAL = 0, 613 ATH9K_PKT_TYPE_ATIM, 614 ATH9K_PKT_TYPE_PSPOLL, 615 ATH9K_PKT_TYPE_BEACON, 616 ATH9K_PKT_TYPE_PROBE_RESP, 617 ATH9K_PKT_TYPE_CHIRP, 618 ATH9K_PKT_TYPE_GRP_POLL, 619 }; 620 621 struct ath9k_tx_queue_info { 622 u32 tqi_ver; 623 enum ath9k_tx_queue tqi_type; 624 int tqi_subtype; 625 enum ath9k_tx_queue_flags tqi_qflags; 626 u32 tqi_priority; 627 u32 tqi_aifs; 628 u32 tqi_cwmin; 629 u32 tqi_cwmax; 630 u16 tqi_shretry; 631 u16 tqi_lgretry; 632 u32 tqi_cbrPeriod; 633 u32 tqi_cbrOverflowLimit; 634 u32 tqi_burstTime; 635 u32 tqi_readyTime; 636 u32 tqi_physCompBuf; 637 u32 tqi_intFlags; 638 }; 639 640 enum ath9k_rx_filter { 641 ATH9K_RX_FILTER_UCAST = 0x00000001, 642 ATH9K_RX_FILTER_MCAST = 0x00000002, 643 ATH9K_RX_FILTER_BCAST = 0x00000004, 644 ATH9K_RX_FILTER_CONTROL = 0x00000008, 645 ATH9K_RX_FILTER_BEACON = 0x00000010, 646 ATH9K_RX_FILTER_PROM = 0x00000020, 647 ATH9K_RX_FILTER_PROBEREQ = 0x00000080, 648 ATH9K_RX_FILTER_PHYERR = 0x00000100, 649 ATH9K_RX_FILTER_MYBEACON = 0x00000200, 650 ATH9K_RX_FILTER_COMP_BAR = 0x00000400, 651 ATH9K_RX_FILTER_COMP_BA = 0x00000800, 652 ATH9K_RX_FILTER_UNCOMP_BA_BAR = 0x00001000, 653 ATH9K_RX_FILTER_PSPOLL = 0x00004000, 654 ATH9K_RX_FILTER_PHYRADAR = 0x00002000, 655 ATH9K_RX_FILTER_MCAST_BCAST_ALL = 0x00008000, 656 ATH9K_RX_FILTER_CONTROL_WRAPPER = 0x00080000, 657 ATH9K_RX_FILTER_4ADDRESS = 0x00100000, 658 }; 659 660 #define ATH9K_RATESERIES_RTS_CTS 0x0001 661 #define ATH9K_RATESERIES_2040 0x0002 662 #define ATH9K_RATESERIES_HALFGI 0x0004 663 #define ATH9K_RATESERIES_STBC 0x0008 664 665 struct ath9k_11n_rate_series { 666 u32 Tries; 667 u32 Rate; 668 u32 PktDuration; 669 u32 ChSel; 670 u32 RateFlags; 671 }; 672 673 enum aggr_type { 674 AGGR_BUF_NONE, 675 AGGR_BUF_FIRST, 676 AGGR_BUF_MIDDLE, 677 AGGR_BUF_LAST, 678 }; 679 680 enum ath9k_key_type { 681 ATH9K_KEY_TYPE_CLEAR, 682 ATH9K_KEY_TYPE_WEP, 683 ATH9K_KEY_TYPE_AES, 684 ATH9K_KEY_TYPE_TKIP, 685 }; 686 687 struct ath_tx_info { 688 u8 qcu; 689 690 bool is_first; 691 bool is_last; 692 693 enum aggr_type aggr; 694 u8 ndelim; 695 u16 aggr_len; 696 697 dma_addr_t link; 698 int pkt_len; 699 u32 flags; 700 701 dma_addr_t buf_addr[4]; 702 int buf_len[4]; 703 704 struct ath9k_11n_rate_series rates[4]; 705 u8 rtscts_rate; 706 bool dur_update; 707 708 enum ath9k_pkt_type type; 709 enum ath9k_key_type keytype; 710 u8 keyix; 711 u8 txpower[4]; 712 }; 713 714 struct ath_hw; 715 struct ath9k_channel; 716 enum ath9k_int; 717 718 u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q); 719 void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp); 720 void ath9k_hw_txstart(struct ath_hw *ah, u32 q); 721 u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q); 722 bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel); 723 bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q); 724 void ath9k_hw_abort_tx_dma(struct ath_hw *ah); 725 bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q, 726 const struct ath9k_tx_queue_info *qinfo); 727 bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q, 728 struct ath9k_tx_queue_info *qinfo); 729 int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type, 730 const struct ath9k_tx_queue_info *qinfo); 731 bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q); 732 bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q); 733 int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, 734 struct ath_rx_status *rs); 735 void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds, 736 u32 size, u32 flags); 737 bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set); 738 void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp); 739 void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning); 740 void ath9k_hw_abortpcurecv(struct ath_hw *ah); 741 bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset); 742 int ath9k_hw_beaconq_setup(struct ath_hw *ah); 743 void ath9k_hw_set_tx_filter(struct ath_hw *ah, u8 destidx, bool set); 744 745 /* Interrupt Handling */ 746 bool ath9k_hw_intrpend(struct ath_hw *ah); 747 void ath9k_hw_set_interrupts(struct ath_hw *ah); 748 void ath9k_hw_enable_interrupts(struct ath_hw *ah); 749 void ath9k_hw_disable_interrupts(struct ath_hw *ah); 750 void ath9k_hw_kill_interrupts(struct ath_hw *ah); 751 void ath9k_hw_resume_interrupts(struct ath_hw *ah); 752 753 void ar9002_hw_attach_mac_ops(struct ath_hw *ah); 754 755 #endif /* MAC_H */ 756