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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/drivers/net/wireless/ath/ath9k/
1/*
2 * Copyright (c) 2008-2009 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 RXSTATUS_RATE(ah, ads) (AR_SREV_5416_20_OR_LATER(ah) ?		\
21				MS(ads->ds_rxstatus0, AR_RxRate) :	\
22				(ads->ds_rxstatus3 >> 2) & 0xFF)
23
24#define set11nTries(_series, _index) \
25	(SM((_series)[_index].Tries, AR_XmitDataTries##_index))
26
27#define set11nRate(_series, _index) \
28	(SM((_series)[_index].Rate, AR_XmitRate##_index))
29
30#define set11nPktDurRTSCTS(_series, _index)				\
31	(SM((_series)[_index].PktDuration, AR_PacketDur##_index) |	\
32	 ((_series)[_index].RateFlags & ATH9K_RATESERIES_RTS_CTS   ?	\
33	  AR_RTSCTSQual##_index : 0))
34
35#define set11nRateFlags(_series, _index)				\
36	(((_series)[_index].RateFlags & ATH9K_RATESERIES_2040 ?		\
37	  AR_2040_##_index : 0)						\
38	 |((_series)[_index].RateFlags & ATH9K_RATESERIES_HALFGI ?	\
39	   AR_GI##_index : 0)						\
40	 |((_series)[_index].RateFlags & ATH9K_RATESERIES_STBC ?	\
41	   AR_STBC##_index : 0)						\
42	 |SM((_series)[_index].ChSel, AR_ChainSel##_index))
43
44#define CCK_SIFS_TIME        10
45#define CCK_PREAMBLE_BITS   144
46#define CCK_PLCP_BITS        48
47
48#define OFDM_SIFS_TIME        16
49#define OFDM_PREAMBLE_TIME    20
50#define OFDM_PLCP_BITS        22
51#define OFDM_SYMBOL_TIME      4
52
53#define OFDM_SIFS_TIME_HALF     32
54#define OFDM_PREAMBLE_TIME_HALF 40
55#define OFDM_PLCP_BITS_HALF     22
56#define OFDM_SYMBOL_TIME_HALF   8
57
58#define OFDM_SIFS_TIME_QUARTER      64
59#define OFDM_PREAMBLE_TIME_QUARTER  80
60#define OFDM_PLCP_BITS_QUARTER      22
61#define OFDM_SYMBOL_TIME_QUARTER    16
62
63#define INIT_AIFS       2
64#define INIT_CWMIN      15
65#define INIT_CWMIN_11B  31
66#define INIT_CWMAX      1023
67#define INIT_SH_RETRY   10
68#define INIT_LG_RETRY   10
69#define INIT_SSH_RETRY  32
70#define INIT_SLG_RETRY  32
71
72#define ATH9K_SLOT_TIME_6 6
73#define ATH9K_SLOT_TIME_9 9
74#define ATH9K_SLOT_TIME_20 20
75
76#define ATH9K_TXERR_XRETRY         0x01
77#define ATH9K_TXERR_FILT           0x02
78#define ATH9K_TXERR_FIFO           0x04
79#define ATH9K_TXERR_XTXOP          0x08
80#define ATH9K_TXERR_TIMER_EXPIRED  0x10
81#define ATH9K_TX_ACKED		   0x20
82#define ATH9K_TXERR_MASK						\
83	(ATH9K_TXERR_XRETRY | ATH9K_TXERR_FILT | ATH9K_TXERR_FIFO |	\
84	 ATH9K_TXERR_XTXOP | ATH9K_TXERR_TIMER_EXPIRED)
85
86#define ATH9K_TX_BA                0x01
87#define ATH9K_TX_PWRMGMT           0x02
88#define ATH9K_TX_DESC_CFG_ERR      0x04
89#define ATH9K_TX_DATA_UNDERRUN     0x08
90#define ATH9K_TX_DELIM_UNDERRUN    0x10
91#define ATH9K_TX_SW_FILTERED       0x80
92
93/* 64 bytes */
94#define MIN_TX_FIFO_THRESHOLD   0x1
95
96#define MAX_TX_FIFO_THRESHOLD   ((4096 / 64) - 1)
97
98struct ath_tx_status {
99	u32 ts_tstamp;
100	u16 ts_seqnum;
101	u8 ts_status;
102	u8 ts_ratecode;
103	u8 ts_rateindex;
104	int8_t ts_rssi;
105	u8 ts_shortretry;
106	u8 ts_longretry;
107	u8 ts_virtcol;
108	u8 ts_antenna;
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	u8 pad[2];
120	u32 ba_low;
121	u32 ba_high;
122	u32 evm0;
123	u32 evm1;
124	u32 evm2;
125};
126
127struct ath_rx_status {
128	u32 rs_tstamp;
129	u16 rs_datalen;
130	u8 rs_status;
131	u8 rs_phyerr;
132	int8_t rs_rssi;
133	u8 rs_keyix;
134	u8 rs_rate;
135	u8 rs_antenna;
136	u8 rs_more;
137	int8_t rs_rssi_ctl0;
138	int8_t rs_rssi_ctl1;
139	int8_t rs_rssi_ctl2;
140	int8_t rs_rssi_ext0;
141	int8_t rs_rssi_ext1;
142	int8_t rs_rssi_ext2;
143	u8 rs_isaggr;
144	u8 rs_moreaggr;
145	u8 rs_num_delims;
146	u8 rs_flags;
147	u32 evm0;
148	u32 evm1;
149	u32 evm2;
150	u32 evm3;
151	u32 evm4;
152};
153
154struct 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
186#define ATH9K_RX_MORE             0x01
187#define ATH9K_RX_MORE_AGGR        0x02
188#define ATH9K_RX_GI               0x04
189#define ATH9K_RX_2040             0x08
190#define ATH9K_RX_DELIM_CRC_PRE    0x10
191#define ATH9K_RX_DELIM_CRC_POST   0x20
192#define ATH9K_RX_DECRYPT_BUSY     0x40
193
194#define ATH9K_RXKEYIX_INVALID	((u8)-1)
195#define ATH9K_TXKEYIX_INVALID	((u32)-1)
196
197enum ath9k_phyerr {
198	ATH9K_PHYERR_UNDERRUN             = 0,  /* Transmit underrun */
199	ATH9K_PHYERR_TIMING               = 1,  /* Timing error */
200	ATH9K_PHYERR_PARITY               = 2,  /* Illegal parity */
201	ATH9K_PHYERR_RATE                 = 3,  /* Illegal rate */
202	ATH9K_PHYERR_LENGTH               = 4,  /* Illegal length */
203	ATH9K_PHYERR_RADAR                = 5,  /* Radar detect */
204	ATH9K_PHYERR_SERVICE              = 6,  /* Illegal service */
205	ATH9K_PHYERR_TOR                  = 7,  /* Transmit override receive */
206
207	ATH9K_PHYERR_OFDM_TIMING          = 17,
208	ATH9K_PHYERR_OFDM_SIGNAL_PARITY   = 18,
209	ATH9K_PHYERR_OFDM_RATE_ILLEGAL    = 19,
210	ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL  = 20,
211	ATH9K_PHYERR_OFDM_POWER_DROP      = 21,
212	ATH9K_PHYERR_OFDM_SERVICE         = 22,
213	ATH9K_PHYERR_OFDM_RESTART         = 23,
214	ATH9K_PHYERR_FALSE_RADAR_EXT      = 24,
215
216	ATH9K_PHYERR_CCK_TIMING           = 25,
217	ATH9K_PHYERR_CCK_HEADER_CRC       = 26,
218	ATH9K_PHYERR_CCK_RATE_ILLEGAL     = 27,
219	ATH9K_PHYERR_CCK_SERVICE          = 30,
220	ATH9K_PHYERR_CCK_RESTART          = 31,
221	ATH9K_PHYERR_CCK_LENGTH_ILLEGAL   = 32,
222	ATH9K_PHYERR_CCK_POWER_DROP       = 33,
223
224	ATH9K_PHYERR_HT_CRC_ERROR         = 34,
225	ATH9K_PHYERR_HT_LENGTH_ILLEGAL    = 35,
226	ATH9K_PHYERR_HT_RATE_ILLEGAL      = 36,
227
228	ATH9K_PHYERR_MAX                  = 37,
229};
230
231struct ath_desc {
232	u32 ds_link;
233	u32 ds_data;
234	u32 ds_ctl0;
235	u32 ds_ctl1;
236	u32 ds_hw[20];
237	void *ds_vdata;
238} __packed;
239
240#define ATH9K_TXDESC_CLRDMASK		0x0001
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		0x00010000
265
266#define ATH9K_RXDESC_INTREQ		0x0020
267
268struct ar5416_desc {
269	u32 ds_link;
270	u32 ds_data;
271	u32 ds_ctl0;
272	u32 ds_ctl1;
273	union {
274		struct {
275			u32 ctl2;
276			u32 ctl3;
277			u32 ctl4;
278			u32 ctl5;
279			u32 ctl6;
280			u32 ctl7;
281			u32 ctl8;
282			u32 ctl9;
283			u32 ctl10;
284			u32 ctl11;
285			u32 status0;
286			u32 status1;
287			u32 status2;
288			u32 status3;
289			u32 status4;
290			u32 status5;
291			u32 status6;
292			u32 status7;
293			u32 status8;
294			u32 status9;
295		} tx;
296		struct {
297			u32 status0;
298			u32 status1;
299			u32 status2;
300			u32 status3;
301			u32 status4;
302			u32 status5;
303			u32 status6;
304			u32 status7;
305			u32 status8;
306		} rx;
307	} u;
308} __packed;
309
310#define AR5416DESC(_ds)         ((struct ar5416_desc *)(_ds))
311#define AR5416DESC_CONST(_ds)   ((const struct ar5416_desc *)(_ds))
312
313#define ds_ctl2     u.tx.ctl2
314#define ds_ctl3     u.tx.ctl3
315#define ds_ctl4     u.tx.ctl4
316#define ds_ctl5     u.tx.ctl5
317#define ds_ctl6     u.tx.ctl6
318#define ds_ctl7     u.tx.ctl7
319#define ds_ctl8     u.tx.ctl8
320#define ds_ctl9     u.tx.ctl9
321#define ds_ctl10    u.tx.ctl10
322#define ds_ctl11    u.tx.ctl11
323
324#define ds_txstatus0    u.tx.status0
325#define ds_txstatus1    u.tx.status1
326#define ds_txstatus2    u.tx.status2
327#define ds_txstatus3    u.tx.status3
328#define ds_txstatus4    u.tx.status4
329#define ds_txstatus5    u.tx.status5
330#define ds_txstatus6    u.tx.status6
331#define ds_txstatus7    u.tx.status7
332#define ds_txstatus8    u.tx.status8
333#define ds_txstatus9    u.tx.status9
334
335#define ds_rxstatus0    u.rx.status0
336#define ds_rxstatus1    u.rx.status1
337#define ds_rxstatus2    u.rx.status2
338#define ds_rxstatus3    u.rx.status3
339#define ds_rxstatus4    u.rx.status4
340#define ds_rxstatus5    u.rx.status5
341#define ds_rxstatus6    u.rx.status6
342#define ds_rxstatus7    u.rx.status7
343#define ds_rxstatus8    u.rx.status8
344
345#define AR_FrameLen         0x00000fff
346#define AR_VirtMoreFrag     0x00001000
347#define AR_TxCtlRsvd00      0x0000e000
348#define AR_XmitPower        0x003f0000
349#define AR_XmitPower_S      16
350#define AR_RTSEnable        0x00400000
351#define AR_VEOL             0x00800000
352#define AR_ClrDestMask      0x01000000
353#define AR_TxCtlRsvd01      0x1e000000
354#define AR_TxIntrReq        0x20000000
355#define AR_DestIdxValid     0x40000000
356#define AR_CTSEnable        0x80000000
357
358#define AR_TxMore           0x00001000
359#define AR_DestIdx          0x000fe000
360#define AR_DestIdx_S        13
361#define AR_FrameType        0x00f00000
362#define AR_FrameType_S      20
363#define AR_NoAck            0x01000000
364#define AR_InsertTS         0x02000000
365#define AR_CorruptFCS       0x04000000
366#define AR_ExtOnly          0x08000000
367#define AR_ExtAndCtl        0x10000000
368#define AR_MoreAggr         0x20000000
369#define AR_IsAggr           0x40000000
370
371#define AR_BurstDur         0x00007fff
372#define AR_BurstDur_S       0
373#define AR_DurUpdateEna     0x00008000
374#define AR_XmitDataTries0   0x000f0000
375#define AR_XmitDataTries0_S 16
376#define AR_XmitDataTries1   0x00f00000
377#define AR_XmitDataTries1_S 20
378#define AR_XmitDataTries2   0x0f000000
379#define AR_XmitDataTries2_S 24
380#define AR_XmitDataTries3   0xf0000000
381#define AR_XmitDataTries3_S 28
382
383#define AR_XmitRate0        0x000000ff
384#define AR_XmitRate0_S      0
385#define AR_XmitRate1        0x0000ff00
386#define AR_XmitRate1_S      8
387#define AR_XmitRate2        0x00ff0000
388#define AR_XmitRate2_S      16
389#define AR_XmitRate3        0xff000000
390#define AR_XmitRate3_S      24
391
392#define AR_PacketDur0       0x00007fff
393#define AR_PacketDur0_S     0
394#define AR_RTSCTSQual0      0x00008000
395#define AR_PacketDur1       0x7fff0000
396#define AR_PacketDur1_S     16
397#define AR_RTSCTSQual1      0x80000000
398
399#define AR_PacketDur2       0x00007fff
400#define AR_PacketDur2_S     0
401#define AR_RTSCTSQual2      0x00008000
402#define AR_PacketDur3       0x7fff0000
403#define AR_PacketDur3_S     16
404#define AR_RTSCTSQual3      0x80000000
405
406#define AR_AggrLen          0x0000ffff
407#define AR_AggrLen_S        0
408#define AR_TxCtlRsvd60      0x00030000
409#define AR_PadDelim         0x03fc0000
410#define AR_PadDelim_S       18
411#define AR_EncrType         0x0c000000
412#define AR_EncrType_S       26
413#define AR_TxCtlRsvd61      0xf0000000
414#define AR_LDPC             0x80000000
415
416#define AR_2040_0           0x00000001
417#define AR_GI0              0x00000002
418#define AR_ChainSel0        0x0000001c
419#define AR_ChainSel0_S      2
420#define AR_2040_1           0x00000020
421#define AR_GI1              0x00000040
422#define AR_ChainSel1        0x00000380
423#define AR_ChainSel1_S      7
424#define AR_2040_2           0x00000400
425#define AR_GI2              0x00000800
426#define AR_ChainSel2        0x00007000
427#define AR_ChainSel2_S      12
428#define AR_2040_3           0x00008000
429#define AR_GI3              0x00010000
430#define AR_ChainSel3        0x000e0000
431#define AR_ChainSel3_S      17
432#define AR_RTSCTSRate       0x0ff00000
433#define AR_RTSCTSRate_S     20
434#define AR_STBC0            0x10000000
435#define AR_STBC1            0x20000000
436#define AR_STBC2            0x40000000
437#define AR_STBC3            0x80000000
438
439#define AR_TxRSSIAnt00      0x000000ff
440#define AR_TxRSSIAnt00_S    0
441#define AR_TxRSSIAnt01      0x0000ff00
442#define AR_TxRSSIAnt01_S    8
443#define AR_TxRSSIAnt02      0x00ff0000
444#define AR_TxRSSIAnt02_S    16
445#define AR_TxStatusRsvd00   0x3f000000
446#define AR_TxBaStatus       0x40000000
447#define AR_TxStatusRsvd01   0x80000000
448
449/*
450 * AR_FrmXmitOK - Frame transmission success flag. If set, the frame was
451 * transmitted successfully. If clear, no ACK or BA was received to indicate
452 * successful transmission when we were expecting an ACK or BA.
453 */
454#define AR_FrmXmitOK            0x00000001
455#define AR_ExcessiveRetries     0x00000002
456#define AR_FIFOUnderrun         0x00000004
457#define AR_Filtered             0x00000008
458#define AR_RTSFailCnt           0x000000f0
459#define AR_RTSFailCnt_S         4
460#define AR_DataFailCnt          0x00000f00
461#define AR_DataFailCnt_S        8
462#define AR_VirtRetryCnt         0x0000f000
463#define AR_VirtRetryCnt_S       12
464#define AR_TxDelimUnderrun      0x00010000
465#define AR_TxDataUnderrun       0x00020000
466#define AR_DescCfgErr           0x00040000
467#define AR_TxTimerExpired       0x00080000
468#define AR_TxStatusRsvd10       0xfff00000
469
470#define AR_SendTimestamp    ds_txstatus2
471#define AR_BaBitmapLow      ds_txstatus3
472#define AR_BaBitmapHigh     ds_txstatus4
473
474#define AR_TxRSSIAnt10      0x000000ff
475#define AR_TxRSSIAnt10_S    0
476#define AR_TxRSSIAnt11      0x0000ff00
477#define AR_TxRSSIAnt11_S    8
478#define AR_TxRSSIAnt12      0x00ff0000
479#define AR_TxRSSIAnt12_S    16
480#define AR_TxRSSICombined   0xff000000
481#define AR_TxRSSICombined_S 24
482
483#define AR_TxTid	0xf0000000
484#define AR_TxTid_S	28
485
486#define AR_TxEVM0           ds_txstatus5
487#define AR_TxEVM1           ds_txstatus6
488#define AR_TxEVM2           ds_txstatus7
489
490#define AR_TxDone           0x00000001
491#define AR_SeqNum           0x00001ffe
492#define AR_SeqNum_S         1
493#define AR_TxStatusRsvd80   0x0001e000
494#define AR_TxOpExceeded     0x00020000
495#define AR_TxStatusRsvd81   0x001c0000
496#define AR_FinalTxIdx       0x00600000
497#define AR_FinalTxIdx_S     21
498#define AR_TxStatusRsvd82   0x01800000
499#define AR_PowerMgmt        0x02000000
500#define AR_TxStatusRsvd83   0xfc000000
501
502#define AR_RxCTLRsvd00  0xffffffff
503
504#define AR_RxCtlRsvd00  0x00001000
505#define AR_RxIntrReq    0x00002000
506#define AR_RxCtlRsvd01  0xffffc000
507
508#define AR_RxRSSIAnt00      0x000000ff
509#define AR_RxRSSIAnt00_S    0
510#define AR_RxRSSIAnt01      0x0000ff00
511#define AR_RxRSSIAnt01_S    8
512#define AR_RxRSSIAnt02      0x00ff0000
513#define AR_RxRSSIAnt02_S    16
514#define AR_RxRate           0xff000000
515#define AR_RxRate_S         24
516#define AR_RxStatusRsvd00   0xff000000
517
518#define AR_DataLen          0x00000fff
519#define AR_RxMore           0x00001000
520#define AR_NumDelim         0x003fc000
521#define AR_NumDelim_S       14
522#define AR_RxStatusRsvd10   0xff800000
523
524#define AR_RcvTimestamp     ds_rxstatus2
525
526#define AR_GI               0x00000001
527#define AR_2040             0x00000002
528#define AR_Parallel40       0x00000004
529#define AR_Parallel40_S     2
530#define AR_RxStatusRsvd30   0x000000f8
531#define AR_RxAntenna	    0xffffff00
532#define AR_RxAntenna_S	    8
533
534#define AR_RxRSSIAnt10            0x000000ff
535#define AR_RxRSSIAnt10_S          0
536#define AR_RxRSSIAnt11            0x0000ff00
537#define AR_RxRSSIAnt11_S          8
538#define AR_RxRSSIAnt12            0x00ff0000
539#define AR_RxRSSIAnt12_S          16
540#define AR_RxRSSICombined         0xff000000
541#define AR_RxRSSICombined_S       24
542
543#define AR_RxEVM0           ds_rxstatus4
544#define AR_RxEVM1           ds_rxstatus5
545#define AR_RxEVM2           ds_rxstatus6
546
547#define AR_RxDone           0x00000001
548#define AR_RxFrameOK        0x00000002
549#define AR_CRCErr           0x00000004
550#define AR_DecryptCRCErr    0x00000008
551#define AR_PHYErr           0x00000010
552#define AR_MichaelErr       0x00000020
553#define AR_PreDelimCRCErr   0x00000040
554#define AR_RxStatusRsvd70   0x00000080
555#define AR_RxKeyIdxValid    0x00000100
556#define AR_KeyIdx           0x0000fe00
557#define AR_KeyIdx_S         9
558#define AR_PHYErrCode       0x0000ff00
559#define AR_PHYErrCode_S     8
560#define AR_RxMoreAggr       0x00010000
561#define AR_RxAggr           0x00020000
562#define AR_PostDelimCRCErr  0x00040000
563#define AR_RxStatusRsvd71   0x3ff80000
564#define AR_DecryptBusyErr   0x40000000
565#define AR_KeyMiss          0x80000000
566
567enum ath9k_tx_queue {
568	ATH9K_TX_QUEUE_INACTIVE = 0,
569	ATH9K_TX_QUEUE_DATA,
570	ATH9K_TX_QUEUE_BEACON,
571	ATH9K_TX_QUEUE_CAB,
572	ATH9K_TX_QUEUE_UAPSD,
573	ATH9K_TX_QUEUE_PSPOLL
574};
575
576#define	ATH9K_NUM_TX_QUEUES 10
577
578/* Used as a queue subtype instead of a WMM AC */
579#define ATH9K_WME_UPSD	4
580
581enum ath9k_tx_queue_flags {
582	TXQ_FLAG_TXOKINT_ENABLE = 0x0001,
583	TXQ_FLAG_TXERRINT_ENABLE = 0x0001,
584	TXQ_FLAG_TXDESCINT_ENABLE = 0x0002,
585	TXQ_FLAG_TXEOLINT_ENABLE = 0x0004,
586	TXQ_FLAG_TXURNINT_ENABLE = 0x0008,
587	TXQ_FLAG_BACKOFF_DISABLE = 0x0010,
588	TXQ_FLAG_COMPRESSION_ENABLE = 0x0020,
589	TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE = 0x0040,
590	TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE = 0x0080,
591};
592
593#define ATH9K_TXQ_USEDEFAULT ((u32) -1)
594#define ATH9K_TXQ_USE_LOCKOUT_BKOFF_DIS 0x00000001
595
596#define ATH9K_DECOMP_MASK_SIZE     128
597#define ATH9K_READY_TIME_LO_BOUND  50
598#define ATH9K_READY_TIME_HI_BOUND  96
599
600enum ath9k_pkt_type {
601	ATH9K_PKT_TYPE_NORMAL = 0,
602	ATH9K_PKT_TYPE_ATIM,
603	ATH9K_PKT_TYPE_PSPOLL,
604	ATH9K_PKT_TYPE_BEACON,
605	ATH9K_PKT_TYPE_PROBE_RESP,
606	ATH9K_PKT_TYPE_CHIRP,
607	ATH9K_PKT_TYPE_GRP_POLL,
608};
609
610struct ath9k_tx_queue_info {
611	u32 tqi_ver;
612	enum ath9k_tx_queue tqi_type;
613	int tqi_subtype;
614	enum ath9k_tx_queue_flags tqi_qflags;
615	u32 tqi_priority;
616	u32 tqi_aifs;
617	u32 tqi_cwmin;
618	u32 tqi_cwmax;
619	u16 tqi_shretry;
620	u16 tqi_lgretry;
621	u32 tqi_cbrPeriod;
622	u32 tqi_cbrOverflowLimit;
623	u32 tqi_burstTime;
624	u32 tqi_readyTime;
625	u32 tqi_physCompBuf;
626	u32 tqi_intFlags;
627};
628
629enum ath9k_rx_filter {
630	ATH9K_RX_FILTER_UCAST = 0x00000001,
631	ATH9K_RX_FILTER_MCAST = 0x00000002,
632	ATH9K_RX_FILTER_BCAST = 0x00000004,
633	ATH9K_RX_FILTER_CONTROL = 0x00000008,
634	ATH9K_RX_FILTER_BEACON = 0x00000010,
635	ATH9K_RX_FILTER_PROM = 0x00000020,
636	ATH9K_RX_FILTER_PROBEREQ = 0x00000080,
637	ATH9K_RX_FILTER_PHYERR = 0x00000100,
638	ATH9K_RX_FILTER_MYBEACON = 0x00000200,
639	ATH9K_RX_FILTER_COMP_BAR = 0x00000400,
640	ATH9K_RX_FILTER_PSPOLL = 0x00004000,
641	ATH9K_RX_FILTER_PHYRADAR = 0x00002000,
642	ATH9K_RX_FILTER_MCAST_BCAST_ALL = 0x00008000,
643};
644
645#define ATH9K_RATESERIES_RTS_CTS  0x0001
646#define ATH9K_RATESERIES_2040     0x0002
647#define ATH9K_RATESERIES_HALFGI   0x0004
648#define ATH9K_RATESERIES_STBC     0x0008
649
650struct ath9k_11n_rate_series {
651	u32 Tries;
652	u32 Rate;
653	u32 PktDuration;
654	u32 ChSel;
655	u32 RateFlags;
656};
657
658struct ath9k_keyval {
659	u8 kv_type;
660	u8 kv_pad;
661	u16 kv_len;
662	u8 kv_val[16]; /* TK */
663	u8 kv_mic[8]; /* Michael MIC key */
664	u8 kv_txmic[8]; /* Michael MIC TX key (used only if the hardware
665			 * supports both MIC keys in the same key cache entry;
666			 * in that case, kv_mic is the RX key) */
667};
668
669enum ath9k_key_type {
670	ATH9K_KEY_TYPE_CLEAR,
671	ATH9K_KEY_TYPE_WEP,
672	ATH9K_KEY_TYPE_AES,
673	ATH9K_KEY_TYPE_TKIP,
674};
675
676enum ath9k_cipher {
677	ATH9K_CIPHER_WEP = 0,
678	ATH9K_CIPHER_AES_OCB = 1,
679	ATH9K_CIPHER_AES_CCM = 2,
680	ATH9K_CIPHER_CKIP = 3,
681	ATH9K_CIPHER_TKIP = 4,
682	ATH9K_CIPHER_CLR = 5,
683	ATH9K_CIPHER_MIC = 127
684};
685
686struct ath_hw;
687struct ath9k_channel;
688
689u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q);
690void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp);
691void ath9k_hw_txstart(struct ath_hw *ah, u32 q);
692void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds);
693u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q);
694bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel);
695bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q);
696void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs);
697bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
698			    const struct ath9k_tx_queue_info *qinfo);
699bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
700			    struct ath9k_tx_queue_info *qinfo);
701int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
702			  const struct ath9k_tx_queue_info *qinfo);
703bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q);
704bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q);
705int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
706			struct ath_rx_status *rs, u64 tsf);
707void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
708			  u32 size, u32 flags);
709bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set);
710void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp);
711void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning);
712void ath9k_hw_stoppcurecv(struct ath_hw *ah);
713void ath9k_hw_abortpcurecv(struct ath_hw *ah);
714bool ath9k_hw_stopdmarecv(struct ath_hw *ah);
715int ath9k_hw_beaconq_setup(struct ath_hw *ah);
716
717/* Interrupt Handling */
718bool ath9k_hw_intrpend(struct ath_hw *ah);
719enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah,
720				       enum ath9k_int ints);
721
722void ar9002_hw_attach_mac_ops(struct ath_hw *ah);
723
724#endif /* MAC_H */
725