xref: /freebsd/sys/dev/ath/if_athvar.h (revision 15c433351f54e7cd5bec8d36c8e89e6a7fa55b26)
1 /*-
2  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification.
11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13  *    redistribution must be conditioned upon including a substantially
14  *    similar Disclaimer requirement for further binary redistribution.
15  *
16  * NO WARRANTY
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  * THE POSSIBILITY OF SUCH DAMAGES.
28  *
29  * $FreeBSD$
30  */
31 
32 /*
33  * Defintions for the Atheros Wireless LAN controller driver.
34  */
35 #ifndef _DEV_ATH_ATHVAR_H
36 #define _DEV_ATH_ATHVAR_H
37 
38 #include <machine/atomic.h>
39 
40 #include <dev/ath/ath_hal/ah.h>
41 #include <dev/ath/ath_hal/ah_desc.h>
42 #include <net80211/ieee80211_radiotap.h>
43 #include <dev/ath/if_athioctl.h>
44 #include <dev/ath/if_athrate.h>
45 #ifdef	ATH_DEBUG_ALQ
46 #include <dev/ath/if_ath_alq.h>
47 #endif
48 
49 #define	ATH_TIMEOUT		1000
50 
51 /*
52  * There is a separate TX ath_buf pool for management frames.
53  * This ensures that management frames such as probe responses
54  * and BAR frames can be transmitted during periods of high
55  * TX activity.
56  */
57 #define	ATH_MGMT_TXBUF		32
58 
59 /*
60  * 802.11n requires more TX and RX buffers to do AMPDU.
61  */
62 #ifdef	ATH_ENABLE_11N
63 #define	ATH_TXBUF	512
64 #define	ATH_RXBUF	512
65 #endif
66 
67 #ifndef ATH_RXBUF
68 #define	ATH_RXBUF	40		/* number of RX buffers */
69 #endif
70 #ifndef ATH_TXBUF
71 #define	ATH_TXBUF	200		/* number of TX buffers */
72 #endif
73 #define	ATH_BCBUF	4		/* number of beacon buffers */
74 
75 #define	ATH_TXDESC	10		/* number of descriptors per buffer */
76 #define	ATH_TXMAXTRY	11		/* max number of transmit attempts */
77 #define	ATH_TXMGTTRY	4		/* xmit attempts for mgt/ctl frames */
78 #define	ATH_TXINTR_PERIOD 5		/* max number of batched tx descriptors */
79 
80 #define	ATH_BEACON_AIFS_DEFAULT	 1	/* default aifs for ap beacon q */
81 #define	ATH_BEACON_CWMIN_DEFAULT 0	/* default cwmin for ap beacon q */
82 #define	ATH_BEACON_CWMAX_DEFAULT 0	/* default cwmax for ap beacon q */
83 
84 /*
85  * The following bits can be set during the PCI (and perhaps non-PCI
86  * later) device probe path.
87  *
88  * It controls some of the driver and HAL behaviour.
89  */
90 
91 #define	ATH_PCI_CUS198		0x0001
92 #define	ATH_PCI_CUS230		0x0002
93 #define	ATH_PCI_CUS217		0x0004
94 #define	ATH_PCI_CUS252		0x0008
95 #define	ATH_PCI_WOW		0x0010
96 #define	ATH_PCI_BT_ANT_DIV	0x0020
97 #define	ATH_PCI_D3_L1_WAR	0x0040
98 #define	ATH_PCI_AR9565_1ANT	0x0080
99 #define	ATH_PCI_AR9565_2ANT	0x0100
100 #define	ATH_PCI_NO_PLL_PWRSAVE	0x0200
101 #define	ATH_PCI_KILLER		0x0400
102 
103 /*
104  * The key cache is used for h/w cipher state and also for
105  * tracking station state such as the current tx antenna.
106  * We also setup a mapping table between key cache slot indices
107  * and station state to short-circuit node lookups on rx.
108  * Different parts have different size key caches.  We handle
109  * up to ATH_KEYMAX entries (could dynamically allocate state).
110  */
111 #define	ATH_KEYMAX	128		/* max key cache size we handle */
112 #define	ATH_KEYBYTES	(ATH_KEYMAX/NBBY)	/* storage space in bytes */
113 
114 struct taskqueue;
115 struct kthread;
116 struct ath_buf;
117 
118 #define	ATH_TID_MAX_BUFS	(2 * IEEE80211_AGGR_BAWMAX)
119 
120 /*
121  * Per-TID state
122  *
123  * Note that TID 16 (WME_NUM_TID+1) is for handling non-QoS frames.
124  */
125 struct ath_tid {
126 	TAILQ_HEAD(,ath_buf)	tid_q;		/* pending buffers */
127 	struct ath_node		*an;		/* pointer to parent */
128 	int			tid;		/* tid */
129 	int			ac;		/* which AC gets this trafic */
130 	int			hwq_depth;	/* how many buffers are on HW */
131 	u_int			axq_depth;	/* SW queue depth */
132 
133 	struct {
134 		TAILQ_HEAD(,ath_buf)	tid_q;		/* filtered queue */
135 		u_int			axq_depth;	/* SW queue depth */
136 	} filtq;
137 
138 	/*
139 	 * Entry on the ath_txq; when there's traffic
140 	 * to send
141 	 */
142 	TAILQ_ENTRY(ath_tid)	axq_qelem;
143 	int			sched;
144 	int			paused;	/* >0 if the TID has been paused */
145 
146 	/*
147 	 * These are flags - perhaps later collapse
148 	 * down to a single uint32_t ?
149 	 */
150 	int			addba_tx_pending;	/* TX ADDBA pending */
151 	int			bar_wait;	/* waiting for BAR */
152 	int			bar_tx;		/* BAR TXed */
153 	int			isfiltered;	/* is this node currently filtered */
154 
155 	/*
156 	 * Is the TID being cleaned up after a transition
157 	 * from aggregation to non-aggregation?
158 	 * When this is set to 1, this TID will be paused
159 	 * and no further traffic will be queued until all
160 	 * the hardware packets pending for this TID have been
161 	 * TXed/completed; at which point (non-aggregation)
162 	 * traffic will resume being TXed.
163 	 */
164 	int			cleanup_inprogress;
165 	/*
166 	 * How many hardware-queued packets are
167 	 * waiting to be cleaned up.
168 	 * This is only valid if cleanup_inprogress is 1.
169 	 */
170 	int			incomp;
171 
172 	/*
173 	 * The following implements a ring representing
174 	 * the frames in the current BAW.
175 	 * To avoid copying the array content each time
176 	 * the BAW is moved, the baw_head/baw_tail point
177 	 * to the current BAW begin/end; when the BAW is
178 	 * shifted the head/tail of the array are also
179 	 * appropriately shifted.
180 	 */
181 	/* active tx buffers, beginning at current BAW */
182 	struct ath_buf		*tx_buf[ATH_TID_MAX_BUFS];
183 	/* where the baw head is in the array */
184 	int			baw_head;
185 	/* where the BAW tail is in the array */
186 	int			baw_tail;
187 };
188 
189 /* driver-specific node state */
190 struct ath_node {
191 	struct ieee80211_node an_node;	/* base class */
192 	u_int8_t	an_mgmtrix;	/* min h/w rate index */
193 	u_int8_t	an_mcastrix;	/* mcast h/w rate index */
194 	uint32_t	an_is_powersave;	/* node is sleeping */
195 	uint32_t	an_stack_psq;		/* net80211 psq isn't empty */
196 	uint32_t	an_tim_set;		/* TIM has been set */
197 	struct ath_buf	*an_ff_buf[WME_NUM_AC]; /* ff staging area */
198 	struct ath_tid	an_tid[IEEE80211_TID_SIZE];	/* per-TID state */
199 	char		an_name[32];	/* eg "wlan0_a1" */
200 	struct mtx	an_mtx;		/* protecting the rate control state */
201 	uint32_t	an_swq_depth;	/* how many SWQ packets for this
202 					   node */
203 	int			clrdmask;	/* has clrdmask been set */
204 	uint32_t	an_leak_count;	/* How many frames to leak during pause */
205 	/* variable-length rate control state follows */
206 };
207 #define	ATH_NODE(ni)	((struct ath_node *)(ni))
208 #define	ATH_NODE_CONST(ni)	((const struct ath_node *)(ni))
209 
210 #define ATH_RSSI_LPF_LEN	10
211 #define ATH_RSSI_DUMMY_MARKER	0x127
212 #define ATH_EP_MUL(x, mul)	((x) * (mul))
213 #define ATH_RSSI_IN(x)		(ATH_EP_MUL((x), HAL_RSSI_EP_MULTIPLIER))
214 #define ATH_LPF_RSSI(x, y, len) \
215     ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
216 #define ATH_RSSI_LPF(x, y) do {						\
217     if ((y) >= -20)							\
218     	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);	\
219 } while (0)
220 #define	ATH_EP_RND(x,mul) \
221 	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
222 #define	ATH_RSSI(x)		ATH_EP_RND(x, HAL_RSSI_EP_MULTIPLIER)
223 
224 typedef enum {
225 	ATH_BUFTYPE_NORMAL	= 0,
226 	ATH_BUFTYPE_MGMT	= 1,
227 } ath_buf_type_t;
228 
229 struct ath_buf {
230 	TAILQ_ENTRY(ath_buf)	bf_list;
231 	struct ath_buf *	bf_next;	/* next buffer in the aggregate */
232 	int			bf_nseg;
233 	HAL_STATUS		bf_rxstatus;
234 	uint16_t		bf_flags;	/* status flags (below) */
235 	uint16_t		bf_descid;	/* 16 bit descriptor ID */
236 	struct ath_desc		*bf_desc;	/* virtual addr of desc */
237 	struct ath_desc_status	bf_status;	/* tx/rx status */
238 	bus_addr_t		bf_daddr;	/* physical addr of desc */
239 	bus_dmamap_t		bf_dmamap;	/* DMA map for mbuf chain */
240 	struct mbuf		*bf_m;		/* mbuf for buf */
241 	struct ieee80211_node	*bf_node;	/* pointer to the node */
242 	struct ath_desc		*bf_lastds;	/* last descriptor for comp status */
243 	struct ath_buf		*bf_last;	/* last buffer in aggregate, or self for non-aggregate */
244 	bus_size_t		bf_mapsize;
245 #define	ATH_MAX_SCATTER		ATH_TXDESC	/* max(tx,rx,beacon) desc's */
246 	bus_dma_segment_t	bf_segs[ATH_MAX_SCATTER];
247 	uint32_t		bf_nextfraglen;	/* length of next fragment */
248 
249 	/* Completion function to call on TX complete (fail or not) */
250 	/*
251 	 * "fail" here is set to 1 if the queue entries were removed
252 	 * through a call to ath_tx_draintxq().
253 	 */
254 	void(* bf_comp) (struct ath_softc *sc, struct ath_buf *bf, int fail);
255 
256 	/* This state is kept to support software retries and aggregation */
257 	struct {
258 		uint16_t bfs_seqno;	/* sequence number of this packet */
259 		uint16_t bfs_ndelim;	/* number of delims for padding */
260 
261 		uint8_t bfs_retries;	/* retry count */
262 		uint8_t bfs_tid;	/* packet TID (or TID_MAX for no QoS) */
263 		uint8_t bfs_nframes;	/* number of frames in aggregate */
264 		uint8_t bfs_pri;	/* packet AC priority */
265 		uint8_t bfs_tx_queue;	/* destination hardware TX queue */
266 
267 		u_int32_t bfs_aggr:1,		/* part of aggregate? */
268 		    bfs_aggrburst:1,	/* part of aggregate burst? */
269 		    bfs_isretried:1,	/* retried frame? */
270 		    bfs_dobaw:1,	/* actually check against BAW? */
271 		    bfs_addedbaw:1,	/* has been added to the BAW */
272 		    bfs_shpream:1,	/* use short preamble */
273 		    bfs_istxfrag:1,	/* is fragmented */
274 		    bfs_ismrr:1,	/* do multi-rate TX retry */
275 		    bfs_doprot:1,	/* do RTS/CTS based protection */
276 		    bfs_doratelookup:1;	/* do rate lookup before each TX */
277 
278 		/*
279 		 * These fields are passed into the
280 		 * descriptor setup functions.
281 		 */
282 
283 		/* Make this an 8 bit value? */
284 		HAL_PKT_TYPE bfs_atype;	/* packet type */
285 
286 		uint32_t bfs_pktlen;	/* length of this packet */
287 
288 		uint16_t bfs_hdrlen;	/* length of this packet header */
289 		uint16_t bfs_al;	/* length of aggregate */
290 
291 		uint16_t bfs_txflags;	/* HAL (tx) descriptor flags */
292 		uint8_t bfs_txrate0;	/* first TX rate */
293 		uint8_t bfs_try0;		/* first try count */
294 
295 		uint16_t bfs_txpower;	/* tx power */
296 		uint8_t bfs_ctsrate0;	/* Non-zero - use this as ctsrate */
297 		uint8_t bfs_ctsrate;	/* CTS rate */
298 
299 		/* 16 bit? */
300 		int32_t bfs_keyix;		/* crypto key index */
301 		int32_t bfs_txantenna;	/* TX antenna config */
302 
303 		/* Make this an 8 bit value? */
304 		enum ieee80211_protmode bfs_protmode;
305 
306 		/* 16 bit? */
307 		uint32_t bfs_ctsduration;	/* CTS duration (pre-11n NICs) */
308 		struct ath_rc_series bfs_rc[ATH_RC_NUM];	/* non-11n TX series */
309 	} bf_state;
310 };
311 typedef TAILQ_HEAD(ath_bufhead_s, ath_buf) ath_bufhead;
312 
313 #define	ATH_BUF_MGMT	0x00000001	/* (tx) desc is a mgmt desc */
314 #define	ATH_BUF_BUSY	0x00000002	/* (tx) desc owned by h/w */
315 #define	ATH_BUF_FIFOEND	0x00000004
316 #define	ATH_BUF_FIFOPTR	0x00000008
317 
318 #define	ATH_BUF_FLAGS_CLONE	(ATH_BUF_MGMT)
319 
320 /*
321  * DMA state for tx/rx descriptors.
322  */
323 struct ath_descdma {
324 	const char*		dd_name;
325 	struct ath_desc		*dd_desc;	/* descriptors */
326 	int			dd_descsize;	/* size of single descriptor */
327 	bus_addr_t		dd_desc_paddr;	/* physical addr of dd_desc */
328 	bus_size_t		dd_desc_len;	/* size of dd_desc */
329 	bus_dma_segment_t	dd_dseg;
330 	bus_dma_tag_t		dd_dmat;	/* bus DMA tag */
331 	bus_dmamap_t		dd_dmamap;	/* DMA map for descriptors */
332 	struct ath_buf		*dd_bufptr;	/* associated buffers */
333 };
334 
335 /*
336  * Data transmit queue state.  One of these exists for each
337  * hardware transmit queue.  Packets sent to us from above
338  * are assigned to queues based on their priority.  Not all
339  * devices support a complete set of hardware transmit queues.
340  * For those devices the array sc_ac2q will map multiple
341  * priorities to fewer hardware queues (typically all to one
342  * hardware queue).
343  */
344 struct ath_txq {
345 	struct ath_softc	*axq_softc;	/* Needed for scheduling */
346 	u_int			axq_qnum;	/* hardware q number */
347 #define	ATH_TXQ_SWQ	(HAL_NUM_TX_QUEUES+1)	/* qnum for s/w only queue */
348 	u_int			axq_ac;		/* WME AC */
349 	u_int			axq_flags;
350 //#define	ATH_TXQ_PUTPENDING	0x0001		/* ath_hal_puttxbuf pending */
351 #define	ATH_TXQ_PUTRUNNING	0x0002		/* ath_hal_puttxbuf has been called */
352 	u_int			axq_depth;	/* queue depth (stat only) */
353 	u_int			axq_aggr_depth;	/* how many aggregates are queued */
354 	u_int			axq_intrcnt;	/* interrupt count */
355 	u_int32_t		*axq_link;	/* link ptr in last TX desc */
356 	TAILQ_HEAD(axq_q_s, ath_buf)	axq_q;		/* transmit queue */
357 	struct mtx		axq_lock;	/* lock on q and link */
358 
359 	/*
360 	 * This is the FIFO staging buffer when doing EDMA.
361 	 *
362 	 * For legacy chips, we just push the head pointer to
363 	 * the hardware and we ignore this list.
364 	 *
365 	 * For EDMA, the staging buffer is treated as normal;
366 	 * when it's time to push a list of frames to the hardware
367 	 * we move that list here and we stamp buffers with
368 	 * flags to identify the beginning/end of that particular
369 	 * FIFO entry.
370 	 */
371 	struct {
372 		TAILQ_HEAD(axq_q_f_s, ath_buf)	axq_q;
373 		u_int				axq_depth;
374 	} fifo;
375 	u_int			axq_fifo_depth;	/* depth of FIFO frames */
376 
377 	/*
378 	 * XXX the holdingbf field is protected by the TXBUF lock
379 	 * for now, NOT the TXQ lock.
380 	 *
381 	 * Architecturally, it would likely be better to move
382 	 * the holdingbf field to a separate array in ath_softc
383 	 * just to highlight that it's not protected by the normal
384 	 * TX path lock.
385 	 */
386 	struct ath_buf		*axq_holdingbf;	/* holding TX buffer */
387 	char			axq_name[12];	/* e.g. "ath0_txq4" */
388 
389 	/* Per-TID traffic queue for software -> hardware TX */
390 	/*
391 	 * This is protected by the general TX path lock, not (for now)
392 	 * by the TXQ lock.
393 	 */
394 	TAILQ_HEAD(axq_t_s,ath_tid)	axq_tidq;
395 };
396 
397 #define	ATH_TXQ_LOCK_INIT(_sc, _tq) do { \
398 	    snprintf((_tq)->axq_name, sizeof((_tq)->axq_name), "%s_txq%u", \
399 	      device_get_nameunit((_sc)->sc_dev), (_tq)->axq_qnum); \
400 	    mtx_init(&(_tq)->axq_lock, (_tq)->axq_name, NULL, MTX_DEF); \
401 	} while (0)
402 #define	ATH_TXQ_LOCK_DESTROY(_tq)	mtx_destroy(&(_tq)->axq_lock)
403 #define	ATH_TXQ_LOCK(_tq)		mtx_lock(&(_tq)->axq_lock)
404 #define	ATH_TXQ_UNLOCK(_tq)		mtx_unlock(&(_tq)->axq_lock)
405 #define	ATH_TXQ_LOCK_ASSERT(_tq)	mtx_assert(&(_tq)->axq_lock, MA_OWNED)
406 #define	ATH_TXQ_UNLOCK_ASSERT(_tq)	mtx_assert(&(_tq)->axq_lock,	\
407 					    MA_NOTOWNED)
408 
409 
410 #define	ATH_NODE_LOCK(_an)		mtx_lock(&(_an)->an_mtx)
411 #define	ATH_NODE_UNLOCK(_an)		mtx_unlock(&(_an)->an_mtx)
412 #define	ATH_NODE_LOCK_ASSERT(_an)	mtx_assert(&(_an)->an_mtx, MA_OWNED)
413 #define	ATH_NODE_UNLOCK_ASSERT(_an)	mtx_assert(&(_an)->an_mtx,	\
414 					    MA_NOTOWNED)
415 
416 /*
417  * These are for the hardware queue.
418  */
419 #define ATH_TXQ_INSERT_HEAD(_tq, _elm, _field) do { \
420 	TAILQ_INSERT_HEAD(&(_tq)->axq_q, (_elm), _field); \
421 	(_tq)->axq_depth++; \
422 } while (0)
423 #define ATH_TXQ_INSERT_TAIL(_tq, _elm, _field) do { \
424 	TAILQ_INSERT_TAIL(&(_tq)->axq_q, (_elm), _field); \
425 	(_tq)->axq_depth++; \
426 } while (0)
427 #define ATH_TXQ_REMOVE(_tq, _elm, _field) do { \
428 	TAILQ_REMOVE(&(_tq)->axq_q, _elm, _field); \
429 	(_tq)->axq_depth--; \
430 } while (0)
431 #define	ATH_TXQ_FIRST(_tq)		TAILQ_FIRST(&(_tq)->axq_q)
432 #define	ATH_TXQ_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->axq_q, _field)
433 
434 /*
435  * These are for the TID software queue.
436  */
437 #define ATH_TID_INSERT_HEAD(_tq, _elm, _field) do { \
438 	TAILQ_INSERT_HEAD(&(_tq)->tid_q, (_elm), _field); \
439 	(_tq)->axq_depth++; \
440 	(_tq)->an->an_swq_depth++; \
441 } while (0)
442 #define ATH_TID_INSERT_TAIL(_tq, _elm, _field) do { \
443 	TAILQ_INSERT_TAIL(&(_tq)->tid_q, (_elm), _field); \
444 	(_tq)->axq_depth++; \
445 	(_tq)->an->an_swq_depth++; \
446 } while (0)
447 #define ATH_TID_REMOVE(_tq, _elm, _field) do { \
448 	TAILQ_REMOVE(&(_tq)->tid_q, _elm, _field); \
449 	(_tq)->axq_depth--; \
450 	(_tq)->an->an_swq_depth--; \
451 } while (0)
452 #define	ATH_TID_FIRST(_tq)		TAILQ_FIRST(&(_tq)->tid_q)
453 #define	ATH_TID_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->tid_q, _field)
454 
455 /*
456  * These are for the TID filtered frame queue
457  */
458 #define ATH_TID_FILT_INSERT_HEAD(_tq, _elm, _field) do { \
459 	TAILQ_INSERT_HEAD(&(_tq)->filtq.tid_q, (_elm), _field); \
460 	(_tq)->axq_depth++; \
461 	(_tq)->an->an_swq_depth++; \
462 } while (0)
463 #define ATH_TID_FILT_INSERT_TAIL(_tq, _elm, _field) do { \
464 	TAILQ_INSERT_TAIL(&(_tq)->filtq.tid_q, (_elm), _field); \
465 	(_tq)->axq_depth++; \
466 	(_tq)->an->an_swq_depth++; \
467 } while (0)
468 #define ATH_TID_FILT_REMOVE(_tq, _elm, _field) do { \
469 	TAILQ_REMOVE(&(_tq)->filtq.tid_q, _elm, _field); \
470 	(_tq)->axq_depth--; \
471 	(_tq)->an->an_swq_depth--; \
472 } while (0)
473 #define	ATH_TID_FILT_FIRST(_tq)		TAILQ_FIRST(&(_tq)->filtq.tid_q)
474 #define	ATH_TID_FILT_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->filtq.tid_q,_field)
475 
476 struct ath_vap {
477 	struct ieee80211vap av_vap;	/* base class */
478 	int		av_bslot;	/* beacon slot index */
479 	struct ath_buf	*av_bcbuf;	/* beacon buffer */
480 	struct ath_txq	av_mcastq;	/* buffered mcast s/w queue */
481 
482 	void		(*av_recv_mgmt)(struct ieee80211_node *,
483 				struct mbuf *, int,
484 				const struct ieee80211_rx_stats *, int, int);
485 	int		(*av_newstate)(struct ieee80211vap *,
486 				enum ieee80211_state, int);
487 	void		(*av_bmiss)(struct ieee80211vap *);
488 	void		(*av_node_ps)(struct ieee80211_node *, int);
489 	int		(*av_set_tim)(struct ieee80211_node *, int);
490 	void		(*av_recv_pspoll)(struct ieee80211_node *,
491 				struct mbuf *);
492 };
493 #define	ATH_VAP(vap)	((struct ath_vap *)(vap))
494 
495 struct taskqueue;
496 struct ath_tx99;
497 
498 /*
499  * Whether to reset the TX/RX queue with or without
500  * a queue flush.
501  */
502 typedef enum {
503 	ATH_RESET_DEFAULT = 0,
504 	ATH_RESET_NOLOSS = 1,
505 	ATH_RESET_FULL = 2,
506 } ATH_RESET_TYPE;
507 
508 struct ath_rx_methods {
509 	void		(*recv_sched_queue)(struct ath_softc *sc,
510 			    HAL_RX_QUEUE q, int dosched);
511 	void		(*recv_sched)(struct ath_softc *sc, int dosched);
512 	void		(*recv_stop)(struct ath_softc *sc, int dodelay);
513 	int		(*recv_start)(struct ath_softc *sc);
514 	void		(*recv_flush)(struct ath_softc *sc);
515 	void		(*recv_tasklet)(void *arg, int npending);
516 	int		(*recv_rxbuf_init)(struct ath_softc *sc,
517 			    struct ath_buf *bf);
518 	int		(*recv_setup)(struct ath_softc *sc);
519 	int		(*recv_teardown)(struct ath_softc *sc);
520 };
521 
522 /*
523  * Represent the current state of the RX FIFO.
524  */
525 struct ath_rx_edma {
526 	struct ath_buf	**m_fifo;
527 	int		m_fifolen;
528 	int		m_fifo_head;
529 	int		m_fifo_tail;
530 	int		m_fifo_depth;
531 	struct mbuf	*m_rxpending;
532 	struct ath_buf	*m_holdbf;
533 };
534 
535 struct ath_tx_edma_fifo {
536 	struct ath_buf	**m_fifo;
537 	int		m_fifolen;
538 	int		m_fifo_head;
539 	int		m_fifo_tail;
540 	int		m_fifo_depth;
541 };
542 
543 struct ath_tx_methods {
544 	int		(*xmit_setup)(struct ath_softc *sc);
545 	int		(*xmit_teardown)(struct ath_softc *sc);
546 	void		(*xmit_attach_comp_func)(struct ath_softc *sc);
547 
548 	void		(*xmit_dma_restart)(struct ath_softc *sc,
549 			    struct ath_txq *txq);
550 	void		(*xmit_handoff)(struct ath_softc *sc,
551 			    struct ath_txq *txq, struct ath_buf *bf);
552 	void		(*xmit_drain)(struct ath_softc *sc,
553 			    ATH_RESET_TYPE reset_type);
554 };
555 
556 struct ath_softc {
557 	struct ieee80211com	sc_ic;
558 	struct ath_stats	sc_stats;	/* device statistics */
559 	struct ath_tx_aggr_stats	sc_aggr_stats;
560 	struct ath_intr_stats	sc_intr_stats;
561 	uint64_t		sc_debug;
562 	uint64_t		sc_ktrdebug;
563 	int			sc_nvaps;	/* # vaps */
564 	int			sc_nstavaps;	/* # station vaps */
565 	int			sc_nmeshvaps;	/* # mbss vaps */
566 	u_int8_t		sc_hwbssidmask[IEEE80211_ADDR_LEN];
567 	u_int8_t		sc_nbssid0;	/* # vap's using base mac */
568 	uint32_t		sc_bssidmask;	/* bssid mask */
569 
570 	struct ath_rx_methods	sc_rx;
571 	struct ath_rx_edma	sc_rxedma[HAL_NUM_RX_QUEUES];	/* HP/LP queues */
572 	ath_bufhead		sc_rx_rxlist[HAL_NUM_RX_QUEUES];	/* deferred RX completion */
573 	struct ath_tx_methods	sc_tx;
574 	struct ath_tx_edma_fifo	sc_txedma[HAL_NUM_TX_QUEUES];
575 
576 	/*
577 	 * This is (currently) protected by the TX queue lock;
578 	 * it should migrate to a separate lock later
579 	 * so as to minimise contention.
580 	 */
581 	ath_bufhead		sc_txbuf_list;
582 
583 	int			sc_rx_statuslen;
584 	int			sc_tx_desclen;
585 	int			sc_tx_statuslen;
586 	int			sc_tx_nmaps;	/* Number of TX maps */
587 	int			sc_edma_bufsize;
588 	int			sc_rx_stopped;	/* XXX only for EDMA */
589 	int			sc_rx_resetted;	/* XXX only for EDMA */
590 
591 	void 			(*sc_node_cleanup)(struct ieee80211_node *);
592 	void 			(*sc_node_free)(struct ieee80211_node *);
593 	device_t		sc_dev;
594 	HAL_BUS_TAG		sc_st;		/* bus space tag */
595 	HAL_BUS_HANDLE		sc_sh;		/* bus space handle */
596 	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
597 	struct mtx		sc_mtx;		/* master lock (recursive) */
598 	struct mtx		sc_pcu_mtx;	/* PCU access mutex */
599 	char			sc_pcu_mtx_name[32];
600 	struct mtx		sc_rx_mtx;	/* RX access mutex */
601 	char			sc_rx_mtx_name[32];
602 	struct mtx		sc_tx_mtx;	/* TX handling/comp mutex */
603 	char			sc_tx_mtx_name[32];
604 	struct mtx		sc_tx_ic_mtx;	/* TX queue mutex */
605 	char			sc_tx_ic_mtx_name[32];
606 	struct taskqueue	*sc_tq;		/* private task queue */
607 	struct ath_hal		*sc_ah;		/* Atheros HAL */
608 	struct ath_ratectrl	*sc_rc;		/* tx rate control support */
609 	struct ath_tx99		*sc_tx99;	/* tx99 adjunct state */
610 	void			(*sc_setdefantenna)(struct ath_softc *, u_int);
611 
612 	/*
613 	 * First set of flags.
614 	 */
615 	uint32_t		sc_invalid  : 1,/* disable hardware accesses */
616 				sc_mrretry  : 1,/* multi-rate retry support */
617 				sc_mrrprot  : 1,/* MRR + protection support */
618 				sc_softled  : 1,/* enable LED gpio status */
619 				sc_hardled  : 1,/* enable MAC LED status */
620 				sc_splitmic : 1,/* split TKIP MIC keys */
621 				sc_needmib  : 1,/* enable MIB stats intr */
622 				sc_diversity: 1,/* enable rx diversity */
623 				sc_hasveol  : 1,/* tx VEOL support */
624 				sc_ledstate : 1,/* LED on/off state */
625 				sc_blinking : 1,/* LED blink operation active */
626 				sc_mcastkey : 1,/* mcast key cache search */
627 				sc_scanning : 1,/* scanning active */
628 				sc_syncbeacon:1,/* sync/resync beacon timers */
629 				sc_hasclrkey: 1,/* CLR key supported */
630 				sc_xchanmode: 1,/* extended channel mode */
631 				sc_outdoor  : 1,/* outdoor operation */
632 				sc_dturbo   : 1,/* dynamic turbo in use */
633 				sc_hasbmask : 1,/* bssid mask support */
634 				sc_hasbmatch: 1,/* bssid match disable support*/
635 				sc_hastsfadd: 1,/* tsf adjust support */
636 				sc_beacons  : 1,/* beacons running */
637 				sc_swbmiss  : 1,/* sta mode using sw bmiss */
638 				sc_stagbeacons:1,/* use staggered beacons */
639 				sc_wmetkipmic:1,/* can do WME+TKIP MIC */
640 				sc_resume_up: 1,/* on resume, start all vaps */
641 				sc_tdma	    : 1,/* TDMA in use */
642 				sc_setcca   : 1,/* set/clr CCA with TDMA */
643 				sc_resetcal : 1,/* reset cal state next trip */
644 				sc_rxslink  : 1,/* do self-linked final descriptor */
645 				sc_rxtsf32  : 1,/* RX dec TSF is 32 bits */
646 				sc_isedma   : 1,/* supports EDMA */
647 				sc_do_mybeacon : 1; /* supports mybeacon */
648 
649 	/*
650 	 * Second set of flags.
651 	 */
652 	u_int32_t		sc_running  : 1,	/* initialized */
653 				sc_use_ent  : 1,
654 				sc_rx_stbc  : 1,
655 				sc_tx_stbc  : 1,
656 				sc_hasenforcetxop : 1, /* support enforce TxOP */
657 				sc_hasdivcomb : 1,     /* RX diversity combining */
658 				sc_rx_lnamixer : 1;    /* RX using LNA mixing */
659 
660 	int			sc_cabq_enable;	/* Enable cabq transmission */
661 
662 	/*
663 	 * Enterprise mode configuration for AR9380 and later chipsets.
664 	 */
665 	uint32_t		sc_ent_cfg;
666 
667 	uint32_t		sc_eerd;	/* regdomain from EEPROM */
668 	uint32_t		sc_eecc;	/* country code from EEPROM */
669 						/* rate tables */
670 	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
671 	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
672 	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
673 	HAL_OPMODE		sc_opmode;	/* current operating mode */
674 	u_int16_t		sc_curtxpow;	/* current tx power limit */
675 	u_int16_t		sc_curaid;	/* current association id */
676 	struct ieee80211_channel *sc_curchan;	/* current installed channel */
677 	u_int8_t		sc_curbssid[IEEE80211_ADDR_LEN];
678 	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
679 	struct {
680 		u_int8_t	ieeerate;	/* IEEE rate */
681 		u_int8_t	rxflags;	/* radiotap rx flags */
682 		u_int8_t	txflags;	/* radiotap tx flags */
683 		u_int16_t	ledon;		/* softled on time */
684 		u_int16_t	ledoff;		/* softled off time */
685 	} sc_hwmap[32];				/* h/w rate ix mappings */
686 	u_int8_t		sc_protrix;	/* protection rate index */
687 	u_int8_t		sc_lastdatarix;	/* last data frame rate index */
688 	u_int			sc_mcastrate;	/* ieee rate for mcastrateix */
689 	u_int			sc_fftxqmin;	/* min frames before staging */
690 	u_int			sc_fftxqmax;	/* max frames before drop */
691 	u_int			sc_txantenna;	/* tx antenna (fixed or auto) */
692 
693 	HAL_INT			sc_imask;	/* interrupt mask copy */
694 
695 	/*
696 	 * These are modified in the interrupt handler as well as
697 	 * the task queues and other contexts. Thus these must be
698 	 * protected by a mutex, or they could clash.
699 	 *
700 	 * For now, access to these is behind the ATH_LOCK,
701 	 * just to save time.
702 	 */
703 	uint32_t		sc_txq_active;	/* bitmap of active TXQs */
704 	uint32_t		sc_kickpcu;	/* whether to kick the PCU */
705 	uint32_t		sc_rxproc_cnt;	/* In RX processing */
706 	uint32_t		sc_txproc_cnt;	/* In TX processing */
707 	uint32_t		sc_txstart_cnt;	/* In TX output (raw/start) */
708 	uint32_t		sc_inreset_cnt;	/* In active reset/chanchange */
709 	uint32_t		sc_txrx_cnt;	/* refcount on stop/start'ing TX */
710 	uint32_t		sc_intr_cnt;	/* refcount on interrupt handling */
711 
712 	u_int			sc_keymax;	/* size of key cache */
713 	u_int8_t		sc_keymap[ATH_KEYBYTES];/* key use bit map */
714 
715 	/*
716 	 * Software based LED blinking
717 	 */
718 	u_int			sc_ledpin;	/* GPIO pin for driving LED */
719 	u_int			sc_ledon;	/* pin setting for LED on */
720 	u_int			sc_ledidle;	/* idle polling interval */
721 	int			sc_ledevent;	/* time of last LED event */
722 	u_int8_t		sc_txrix;	/* current tx rate for LED */
723 	u_int16_t		sc_ledoff;	/* off time for current blink */
724 	struct callout		sc_ledtimer;	/* led off timer */
725 
726 	/*
727 	 * Hardware based LED blinking
728 	 */
729 	int			sc_led_pwr_pin;	/* MAC power LED GPIO pin */
730 	int			sc_led_net_pin;	/* MAC network LED GPIO pin */
731 
732 	u_int			sc_rfsilentpin;	/* GPIO pin for rfkill int */
733 	u_int			sc_rfsilentpol;	/* pin setting for rfkill on */
734 
735 	struct ath_descdma	sc_rxdma;	/* RX descriptors */
736 	ath_bufhead		sc_rxbuf;	/* receive buffer */
737 	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
738 	struct task		sc_rxtask;	/* rx int processing */
739 	u_int8_t		sc_defant;	/* current default antenna */
740 	u_int8_t		sc_rxotherant;	/* rx's on non-default antenna*/
741 	u_int64_t		sc_lastrx;	/* tsf at last rx'd frame */
742 	struct ath_rx_status	*sc_lastrs;	/* h/w status of last rx */
743 	struct ath_rx_radiotap_header sc_rx_th;
744 	int			sc_rx_th_len;
745 	u_int			sc_monpass;	/* frames to pass in mon.mode */
746 
747 	struct ath_descdma	sc_txdma;	/* TX descriptors */
748 	uint16_t		sc_txbuf_descid;
749 	ath_bufhead		sc_txbuf;	/* transmit buffer */
750 	int			sc_txbuf_cnt;	/* how many buffers avail */
751 	struct ath_descdma	sc_txdma_mgmt;	/* mgmt TX descriptors */
752 	ath_bufhead		sc_txbuf_mgmt;	/* mgmt transmit buffer */
753 	struct ath_descdma	sc_txsdma;	/* EDMA TX status desc's */
754 	struct mtx		sc_txbuflock;	/* txbuf lock */
755 	char			sc_txname[12];	/* e.g. "ath0_buf" */
756 	u_int			sc_txqsetup;	/* h/w queues setup */
757 	u_int			sc_txintrperiod;/* tx interrupt batching */
758 	struct ath_txq		sc_txq[HAL_NUM_TX_QUEUES];
759 	struct ath_txq		*sc_ac2q[5];	/* WME AC -> h/w q map */
760 	struct task		sc_txtask;	/* tx int processing */
761 	struct task		sc_txqtask;	/* tx proc processing */
762 
763 	struct ath_descdma	sc_txcompdma;	/* TX EDMA completion */
764 	struct mtx		sc_txcomplock;	/* TX EDMA completion lock */
765 	char			sc_txcompname[12];	/* eg ath0_txcomp */
766 
767 	int			sc_wd_timer;	/* count down for wd timer */
768 	struct callout		sc_wd_ch;	/* tx watchdog timer */
769 	struct ath_tx_radiotap_header sc_tx_th;
770 	int			sc_tx_th_len;
771 
772 	struct ath_descdma	sc_bdma;	/* beacon descriptors */
773 	ath_bufhead		sc_bbuf;	/* beacon buffers */
774 	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
775 	u_int			sc_bmisscount;	/* missed beacon transmits */
776 	u_int32_t		sc_ant_tx[8];	/* recent tx frames/antenna */
777 	struct ath_txq		*sc_cabq;	/* tx q for cab frames */
778 	struct task		sc_bmisstask;	/* bmiss int processing */
779 	struct task		sc_bstucktask;	/* stuck beacon processing */
780 	struct task		sc_resettask;	/* interface reset task */
781 	struct task		sc_fataltask;	/* fatal task */
782 	enum {
783 		OK,				/* no change needed */
784 		UPDATE,				/* update pending */
785 		COMMIT				/* beacon sent, commit change */
786 	} sc_updateslot;			/* slot time update fsm */
787 	int			sc_slotupdate;	/* slot to advance fsm */
788 	struct ieee80211vap	*sc_bslot[ATH_BCBUF];
789 	int			sc_nbcnvaps;	/* # vaps with beacons */
790 
791 	struct callout		sc_cal_ch;	/* callout handle for cals */
792 	int			sc_lastlongcal;	/* last long cal completed */
793 	int			sc_lastcalreset;/* last cal reset done */
794 	int			sc_lastani;	/* last ANI poll */
795 	int			sc_lastshortcal;	/* last short calibration */
796 	HAL_BOOL		sc_doresetcal;	/* Yes, we're doing a reset cal atm */
797 	HAL_NODE_STATS		sc_halstats;	/* station-mode rssi stats */
798 	u_int			sc_tdmadbaprep;	/* TDMA DBA prep time */
799 	u_int			sc_tdmaswbaprep;/* TDMA SWBA prep time */
800 	u_int			sc_tdmaswba;	/* TDMA SWBA counter */
801 	u_int32_t		sc_tdmabintval;	/* TDMA beacon interval (TU) */
802 	u_int32_t		sc_tdmaguard;	/* TDMA guard time (usec) */
803 	u_int			sc_tdmaslotlen;	/* TDMA slot length (usec) */
804 	u_int32_t		sc_avgtsfdeltap;/* TDMA slot adjust (+) */
805 	u_int32_t		sc_avgtsfdeltam;/* TDMA slot adjust (-) */
806 	uint16_t		*sc_eepromdata;	/* Local eeprom data, if AR9100 */
807 	uint32_t		sc_txchainmask;	/* hardware TX chainmask */
808 	uint32_t		sc_rxchainmask;	/* hardware RX chainmask */
809 	uint32_t		sc_cur_txchainmask;	/* currently configured TX chainmask */
810 	uint32_t		sc_cur_rxchainmask;	/* currently configured RX chainmask */
811 	uint32_t		sc_rts_aggr_limit;	/* TX limit on RTS aggregates */
812 	int			sc_aggr_limit;	/* TX limit on all aggregates */
813 	int			sc_delim_min_pad;	/* Minimum delimiter count */
814 
815 	/* Queue limits */
816 
817 	/*
818 	 * To avoid queue starvation in congested conditions,
819 	 * these parameters tune the maximum number of frames
820 	 * queued to the data/mcastq before they're dropped.
821 	 *
822 	 * This is to prevent:
823 	 * + a single destination overwhelming everything, including
824 	 *   management/multicast frames;
825 	 * + multicast frames overwhelming everything (when the
826 	 *   air is sufficiently busy that cabq can't drain.)
827 	 * + A node in powersave shouldn't be allowed to exhaust
828 	 *   all available mbufs;
829 	 *
830 	 * These implement:
831 	 * + data_minfree is the maximum number of free buffers
832 	 *   overall to successfully allow a data frame.
833 	 *
834 	 * + mcastq_maxdepth is the maximum depth allowed of the cabq.
835 	 */
836 	int			sc_txq_node_maxdepth;
837 	int			sc_txq_data_minfree;
838 	int			sc_txq_mcastq_maxdepth;
839 	int			sc_txq_node_psq_maxdepth;
840 
841 	/*
842 	 * Software queue twiddles
843 	 *
844 	 * hwq_limit_nonaggr:
845 	 *		when to begin limiting non-aggregate frames to the
846 	 *		hardware queue, regardless of the TID.
847 	 * hwq_limit_aggr:
848 	 *		when to begin limiting A-MPDU frames to the
849 	 *		hardware queue, regardless of the TID.
850 	 * tid_hwq_lo:	how low the per-TID hwq count has to be before the
851 	 *		TID will be scheduled again
852 	 * tid_hwq_hi:	how many frames to queue to the HWQ before the TID
853 	 *		stops being scheduled.
854 	 */
855 	int			sc_hwq_limit_nonaggr;
856 	int			sc_hwq_limit_aggr;
857 	int			sc_tid_hwq_lo;
858 	int			sc_tid_hwq_hi;
859 
860 	/* DFS related state */
861 	void			*sc_dfs;	/* Used by an optional DFS module */
862 	int			sc_dodfs;	/* Whether to enable DFS rx filter bits */
863 	struct task		sc_dfstask;	/* DFS processing task */
864 
865 	/* Spectral related state */
866 	void			*sc_spectral;
867 	int			sc_dospectral;
868 
869 	/* LNA diversity related state */
870 	void			*sc_lna_div;
871 	int			sc_dolnadiv;
872 
873 	/* ALQ */
874 #ifdef	ATH_DEBUG_ALQ
875 	struct if_ath_alq sc_alq;
876 #endif
877 
878 	/* TX AMPDU handling */
879 	int			(*sc_addba_request)(struct ieee80211_node *,
880 				    struct ieee80211_tx_ampdu *, int, int, int);
881 	int			(*sc_addba_response)(struct ieee80211_node *,
882 				    struct ieee80211_tx_ampdu *, int, int, int);
883 	void			(*sc_addba_stop)(struct ieee80211_node *,
884 				    struct ieee80211_tx_ampdu *);
885 	void			(*sc_addba_response_timeout)
886 				    (struct ieee80211_node *,
887 				    struct ieee80211_tx_ampdu *);
888 	void			(*sc_bar_response)(struct ieee80211_node *ni,
889 				    struct ieee80211_tx_ampdu *tap,
890 				    int status);
891 
892 	/*
893 	 * Powersave state tracking.
894 	 *
895 	 * target/cur powerstate is the chip power state.
896 	 * target selfgen state is the self-generated frames
897 	 *   state.  The chip can be awake but transmitted frames
898 	 *   can have the PWRMGT bit set to 1 so the destination
899 	 *   thinks the node is asleep.
900 	 */
901 	HAL_POWER_MODE		sc_target_powerstate;
902 	HAL_POWER_MODE		sc_target_selfgen_state;
903 
904 	HAL_POWER_MODE		sc_cur_powerstate;
905 
906 	int			sc_powersave_refcnt;
907 
908 	/* ATH_PCI_* flags */
909 	uint32_t		sc_pci_devinfo;
910 };
911 
912 #define	ATH_LOCK_INIT(_sc) \
913 	mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
914 		 NULL, MTX_DEF | MTX_RECURSE)
915 #define	ATH_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_mtx)
916 #define	ATH_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
917 #define	ATH_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
918 #define	ATH_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
919 #define	ATH_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_NOTOWNED)
920 
921 /*
922  * The TX lock is non-reentrant and serialises the TX frame send
923  * and completion operations.
924  */
925 #define	ATH_TX_LOCK_INIT(_sc) do {\
926 	snprintf((_sc)->sc_tx_mtx_name,				\
927 	    sizeof((_sc)->sc_tx_mtx_name),				\
928 	    "%s TX lock",						\
929 	    device_get_nameunit((_sc)->sc_dev));			\
930 	mtx_init(&(_sc)->sc_tx_mtx, (_sc)->sc_tx_mtx_name,		\
931 		 NULL, MTX_DEF);					\
932 	} while (0)
933 #define	ATH_TX_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_tx_mtx)
934 #define	ATH_TX_LOCK(_sc)		mtx_lock(&(_sc)->sc_tx_mtx)
935 #define	ATH_TX_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_tx_mtx)
936 #define	ATH_TX_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_tx_mtx,	\
937 		MA_OWNED)
938 #define	ATH_TX_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_tx_mtx,	\
939 		MA_NOTOWNED)
940 #define	ATH_TX_TRYLOCK(_sc)	(mtx_owned(&(_sc)->sc_tx_mtx) != 0 &&	\
941 					mtx_trylock(&(_sc)->sc_tx_mtx))
942 
943 /*
944  * The PCU lock is non-recursive and should be treated as a spinlock.
945  * Although currently the interrupt code is run in netisr context and
946  * doesn't require this, this may change in the future.
947  * Please keep this in mind when protecting certain code paths
948  * with the PCU lock.
949  *
950  * The PCU lock is used to serialise access to the PCU so things such
951  * as TX, RX, state change (eg channel change), channel reset and updates
952  * from interrupt context (eg kickpcu, txqactive bits) do not clash.
953  *
954  * Although the current single-thread taskqueue mechanism protects the
955  * majority of these situations by simply serialising them, there are
956  * a few others which occur at the same time. These include the TX path
957  * (which only acquires ATH_LOCK when recycling buffers to the free list),
958  * ath_set_channel, the channel scanning API and perhaps quite a bit more.
959  */
960 #define	ATH_PCU_LOCK_INIT(_sc) do {\
961 	snprintf((_sc)->sc_pcu_mtx_name,				\
962 	    sizeof((_sc)->sc_pcu_mtx_name),				\
963 	    "%s PCU lock",						\
964 	    device_get_nameunit((_sc)->sc_dev));			\
965 	mtx_init(&(_sc)->sc_pcu_mtx, (_sc)->sc_pcu_mtx_name,		\
966 		 NULL, MTX_DEF);					\
967 	} while (0)
968 #define	ATH_PCU_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_pcu_mtx)
969 #define	ATH_PCU_LOCK(_sc)		mtx_lock(&(_sc)->sc_pcu_mtx)
970 #define	ATH_PCU_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_pcu_mtx)
971 #define	ATH_PCU_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
972 		MA_OWNED)
973 #define	ATH_PCU_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
974 		MA_NOTOWNED)
975 
976 /*
977  * The RX lock is primarily a(nother) workaround to ensure that the
978  * RX FIFO/list isn't modified by various execution paths.
979  * Even though RX occurs in a single context (the ath taskqueue), the
980  * RX path can be executed via various reset/channel change paths.
981  */
982 #define	ATH_RX_LOCK_INIT(_sc) do {\
983 	snprintf((_sc)->sc_rx_mtx_name,					\
984 	    sizeof((_sc)->sc_rx_mtx_name),				\
985 	    "%s RX lock",						\
986 	    device_get_nameunit((_sc)->sc_dev));			\
987 	mtx_init(&(_sc)->sc_rx_mtx, (_sc)->sc_rx_mtx_name,		\
988 		 NULL, MTX_DEF);					\
989 	} while (0)
990 #define	ATH_RX_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_rx_mtx)
991 #define	ATH_RX_LOCK(_sc)		mtx_lock(&(_sc)->sc_rx_mtx)
992 #define	ATH_RX_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_rx_mtx)
993 #define	ATH_RX_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_rx_mtx,	\
994 		MA_OWNED)
995 #define	ATH_RX_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_rx_mtx,	\
996 		MA_NOTOWNED)
997 
998 #define	ATH_TXQ_SETUP(sc, i)	((sc)->sc_txqsetup & (1<<i))
999 
1000 #define	ATH_TXBUF_LOCK_INIT(_sc) do { \
1001 	snprintf((_sc)->sc_txname, sizeof((_sc)->sc_txname), "%s_buf", \
1002 		device_get_nameunit((_sc)->sc_dev)); \
1003 	mtx_init(&(_sc)->sc_txbuflock, (_sc)->sc_txname, NULL, MTX_DEF); \
1004 } while (0)
1005 #define	ATH_TXBUF_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txbuflock)
1006 #define	ATH_TXBUF_LOCK(_sc)		mtx_lock(&(_sc)->sc_txbuflock)
1007 #define	ATH_TXBUF_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_txbuflock)
1008 #define	ATH_TXBUF_LOCK_ASSERT(_sc) \
1009 	mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)
1010 #define	ATH_TXBUF_UNLOCK_ASSERT(_sc) \
1011 	mtx_assert(&(_sc)->sc_txbuflock, MA_NOTOWNED)
1012 
1013 #define	ATH_TXSTATUS_LOCK_INIT(_sc) do { \
1014 	snprintf((_sc)->sc_txcompname, sizeof((_sc)->sc_txcompname), \
1015 		"%s_buf", \
1016 		device_get_nameunit((_sc)->sc_dev)); \
1017 	mtx_init(&(_sc)->sc_txcomplock, (_sc)->sc_txcompname, NULL, \
1018 		MTX_DEF); \
1019 } while (0)
1020 #define	ATH_TXSTATUS_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txcomplock)
1021 #define	ATH_TXSTATUS_LOCK(_sc)		mtx_lock(&(_sc)->sc_txcomplock)
1022 #define	ATH_TXSTATUS_UNLOCK(_sc)	mtx_unlock(&(_sc)->sc_txcomplock)
1023 #define	ATH_TXSTATUS_LOCK_ASSERT(_sc) \
1024 	mtx_assert(&(_sc)->sc_txcomplock, MA_OWNED)
1025 
1026 int	ath_attach(u_int16_t, struct ath_softc *);
1027 int	ath_detach(struct ath_softc *);
1028 void	ath_resume(struct ath_softc *);
1029 void	ath_suspend(struct ath_softc *);
1030 void	ath_shutdown(struct ath_softc *);
1031 void	ath_intr(void *);
1032 
1033 /*
1034  * HAL definitions to comply with local coding convention.
1035  */
1036 #define	ath_hal_detach(_ah) \
1037 	((*(_ah)->ah_detach)((_ah)))
1038 #define	ath_hal_reset(_ah, _opmode, _chan, _fullreset, _resettype, _pstatus) \
1039 	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_fullreset), \
1040 	    (_resettype), (_pstatus)))
1041 #define	ath_hal_macversion(_ah) \
1042 	(((_ah)->ah_macVersion << 4) | ((_ah)->ah_macRev))
1043 #define	ath_hal_getratetable(_ah, _mode) \
1044 	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
1045 #define	ath_hal_getmac(_ah, _mac) \
1046 	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
1047 #define	ath_hal_setmac(_ah, _mac) \
1048 	((*(_ah)->ah_setMacAddress)((_ah), (_mac)))
1049 #define	ath_hal_getbssidmask(_ah, _mask) \
1050 	((*(_ah)->ah_getBssIdMask)((_ah), (_mask)))
1051 #define	ath_hal_setbssidmask(_ah, _mask) \
1052 	((*(_ah)->ah_setBssIdMask)((_ah), (_mask)))
1053 #define	ath_hal_intrset(_ah, _mask) \
1054 	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
1055 #define	ath_hal_intrget(_ah) \
1056 	((*(_ah)->ah_getInterrupts)((_ah)))
1057 #define	ath_hal_intrpend(_ah) \
1058 	((*(_ah)->ah_isInterruptPending)((_ah)))
1059 #define	ath_hal_getisr(_ah, _pmask) \
1060 	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
1061 #define	ath_hal_updatetxtriglevel(_ah, _inc) \
1062 	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
1063 #define	ath_hal_setpower(_ah, _mode) \
1064 	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE))
1065 #define	ath_hal_setselfgenpower(_ah, _mode) \
1066 	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_FALSE))
1067 #define	ath_hal_keycachesize(_ah) \
1068 	((*(_ah)->ah_getKeyCacheSize)((_ah)))
1069 #define	ath_hal_keyreset(_ah, _ix) \
1070 	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
1071 #define	ath_hal_keyset(_ah, _ix, _pk, _mac) \
1072 	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), (_mac), AH_FALSE))
1073 #define	ath_hal_keyisvalid(_ah, _ix) \
1074 	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
1075 #define	ath_hal_keysetmac(_ah, _ix, _mac) \
1076 	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
1077 #define	ath_hal_getrxfilter(_ah) \
1078 	((*(_ah)->ah_getRxFilter)((_ah)))
1079 #define	ath_hal_setrxfilter(_ah, _filter) \
1080 	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
1081 #define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
1082 	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
1083 #define	ath_hal_waitforbeacon(_ah, _bf) \
1084 	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
1085 #define	ath_hal_putrxbuf(_ah, _bufaddr, _rxq) \
1086 	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr), (_rxq)))
1087 /* NB: common across all chips */
1088 #define	AR_TSF_L32	0x804c	/* MAC local clock lower 32 bits */
1089 #define	ath_hal_gettsf32(_ah) \
1090 	OS_REG_READ(_ah, AR_TSF_L32)
1091 #define	ath_hal_gettsf64(_ah) \
1092 	((*(_ah)->ah_getTsf64)((_ah)))
1093 #define	ath_hal_settsf64(_ah, _val) \
1094 	((*(_ah)->ah_setTsf64)((_ah), (_val)))
1095 #define	ath_hal_resettsf(_ah) \
1096 	((*(_ah)->ah_resetTsf)((_ah)))
1097 #define	ath_hal_rxena(_ah) \
1098 	((*(_ah)->ah_enableReceive)((_ah)))
1099 #define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
1100 	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
1101 #define	ath_hal_gettxbuf(_ah, _q) \
1102 	((*(_ah)->ah_getTxDP)((_ah), (_q)))
1103 #define	ath_hal_numtxpending(_ah, _q) \
1104 	((*(_ah)->ah_numTxPending)((_ah), (_q)))
1105 #define	ath_hal_getrxbuf(_ah, _rxq) \
1106 	((*(_ah)->ah_getRxDP)((_ah), (_rxq)))
1107 #define	ath_hal_txstart(_ah, _q) \
1108 	((*(_ah)->ah_startTxDma)((_ah), (_q)))
1109 #define	ath_hal_setchannel(_ah, _chan) \
1110 	((*(_ah)->ah_setChannel)((_ah), (_chan)))
1111 #define	ath_hal_calibrate(_ah, _chan, _iqcal) \
1112 	((*(_ah)->ah_perCalibration)((_ah), (_chan), (_iqcal)))
1113 #define	ath_hal_calibrateN(_ah, _chan, _lcal, _isdone) \
1114 	((*(_ah)->ah_perCalibrationN)((_ah), (_chan), 0x1, (_lcal), (_isdone)))
1115 #define	ath_hal_calreset(_ah, _chan) \
1116 	((*(_ah)->ah_resetCalValid)((_ah), (_chan)))
1117 #define	ath_hal_setledstate(_ah, _state) \
1118 	((*(_ah)->ah_setLedState)((_ah), (_state)))
1119 #define	ath_hal_beaconinit(_ah, _nextb, _bperiod) \
1120 	((*(_ah)->ah_beaconInit)((_ah), (_nextb), (_bperiod)))
1121 #define	ath_hal_beaconreset(_ah) \
1122 	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
1123 #define	ath_hal_beaconsettimers(_ah, _bt) \
1124 	((*(_ah)->ah_setBeaconTimers)((_ah), (_bt)))
1125 #define	ath_hal_beacontimers(_ah, _bs) \
1126 	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs)))
1127 #define	ath_hal_getnexttbtt(_ah) \
1128 	((*(_ah)->ah_getNextTBTT)((_ah)))
1129 #define	ath_hal_setassocid(_ah, _bss, _associd) \
1130 	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd)))
1131 #define	ath_hal_phydisable(_ah) \
1132 	((*(_ah)->ah_phyDisable)((_ah)))
1133 #define	ath_hal_setopmode(_ah) \
1134 	((*(_ah)->ah_setPCUConfig)((_ah)))
1135 #define	ath_hal_stoptxdma(_ah, _qnum) \
1136 	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
1137 #define	ath_hal_stoppcurecv(_ah) \
1138 	((*(_ah)->ah_stopPcuReceive)((_ah)))
1139 #define	ath_hal_startpcurecv(_ah) \
1140 	((*(_ah)->ah_startPcuReceive)((_ah)))
1141 #define	ath_hal_stopdmarecv(_ah) \
1142 	((*(_ah)->ah_stopDmaReceive)((_ah)))
1143 #define	ath_hal_getdiagstate(_ah, _id, _indata, _insize, _outdata, _outsize) \
1144 	((*(_ah)->ah_getDiagState)((_ah), (_id), \
1145 		(_indata), (_insize), (_outdata), (_outsize)))
1146 #define	ath_hal_getfatalstate(_ah, _outdata, _outsize) \
1147 	ath_hal_getdiagstate(_ah, 29, NULL, 0, (_outdata), _outsize)
1148 #define	ath_hal_setuptxqueue(_ah, _type, _irq) \
1149 	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
1150 #define	ath_hal_resettxqueue(_ah, _q) \
1151 	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
1152 #define	ath_hal_releasetxqueue(_ah, _q) \
1153 	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
1154 #define	ath_hal_gettxqueueprops(_ah, _q, _qi) \
1155 	((*(_ah)->ah_getTxQueueProps)((_ah), (_q), (_qi)))
1156 #define	ath_hal_settxqueueprops(_ah, _q, _qi) \
1157 	((*(_ah)->ah_setTxQueueProps)((_ah), (_q), (_qi)))
1158 /* NB: common across all chips */
1159 #define	AR_Q_TXE	0x0840	/* MAC Transmit Queue enable */
1160 #define	ath_hal_txqenabled(_ah, _qnum) \
1161 	(OS_REG_READ(_ah, AR_Q_TXE) & (1<<(_qnum)))
1162 #define	ath_hal_getrfgain(_ah) \
1163 	((*(_ah)->ah_getRfGain)((_ah)))
1164 #define	ath_hal_getdefantenna(_ah) \
1165 	((*(_ah)->ah_getDefAntenna)((_ah)))
1166 #define	ath_hal_setdefantenna(_ah, _ant) \
1167 	((*(_ah)->ah_setDefAntenna)((_ah), (_ant)))
1168 #define	ath_hal_rxmonitor(_ah, _arg, _chan) \
1169 	((*(_ah)->ah_rxMonitor)((_ah), (_arg), (_chan)))
1170 #define	ath_hal_ani_poll(_ah, _chan) \
1171 	((*(_ah)->ah_aniPoll)((_ah), (_chan)))
1172 #define	ath_hal_mibevent(_ah, _stats) \
1173 	((*(_ah)->ah_procMibEvent)((_ah), (_stats)))
1174 #define	ath_hal_setslottime(_ah, _us) \
1175 	((*(_ah)->ah_setSlotTime)((_ah), (_us)))
1176 #define	ath_hal_getslottime(_ah) \
1177 	((*(_ah)->ah_getSlotTime)((_ah)))
1178 #define	ath_hal_setacktimeout(_ah, _us) \
1179 	((*(_ah)->ah_setAckTimeout)((_ah), (_us)))
1180 #define	ath_hal_getacktimeout(_ah) \
1181 	((*(_ah)->ah_getAckTimeout)((_ah)))
1182 #define	ath_hal_setctstimeout(_ah, _us) \
1183 	((*(_ah)->ah_setCTSTimeout)((_ah), (_us)))
1184 #define	ath_hal_getctstimeout(_ah) \
1185 	((*(_ah)->ah_getCTSTimeout)((_ah)))
1186 #define	ath_hal_getcapability(_ah, _cap, _param, _result) \
1187 	((*(_ah)->ah_getCapability)((_ah), (_cap), (_param), (_result)))
1188 #define	ath_hal_setcapability(_ah, _cap, _param, _v, _status) \
1189 	((*(_ah)->ah_setCapability)((_ah), (_cap), (_param), (_v), (_status)))
1190 #define	ath_hal_ciphersupported(_ah, _cipher) \
1191 	(ath_hal_getcapability(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)
1192 #define	ath_hal_getregdomain(_ah, _prd) \
1193 	(ath_hal_getcapability(_ah, HAL_CAP_REG_DMN, 0, (_prd)) == HAL_OK)
1194 #define	ath_hal_setregdomain(_ah, _rd) \
1195 	ath_hal_setcapability(_ah, HAL_CAP_REG_DMN, 0, _rd, NULL)
1196 #define	ath_hal_getcountrycode(_ah, _pcc) \
1197 	(*(_pcc) = (_ah)->ah_countryCode)
1198 #define	ath_hal_gettkipmic(_ah) \
1199 	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_MIC, 1, NULL) == HAL_OK)
1200 #define	ath_hal_settkipmic(_ah, _v) \
1201 	ath_hal_setcapability(_ah, HAL_CAP_TKIP_MIC, 1, _v, NULL)
1202 #define	ath_hal_hastkipsplit(_ah) \
1203 	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 0, NULL) == HAL_OK)
1204 #define	ath_hal_gettkipsplit(_ah) \
1205 	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, NULL) == HAL_OK)
1206 #define	ath_hal_settkipsplit(_ah, _v) \
1207 	ath_hal_setcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, _v, NULL)
1208 #define	ath_hal_haswmetkipmic(_ah) \
1209 	(ath_hal_getcapability(_ah, HAL_CAP_WME_TKIPMIC, 0, NULL) == HAL_OK)
1210 #define	ath_hal_hwphycounters(_ah) \
1211 	(ath_hal_getcapability(_ah, HAL_CAP_PHYCOUNTERS, 0, NULL) == HAL_OK)
1212 #define	ath_hal_hasdiversity(_ah) \
1213 	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 0, NULL) == HAL_OK)
1214 #define	ath_hal_getdiversity(_ah) \
1215 	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK)
1216 #define	ath_hal_setdiversity(_ah, _v) \
1217 	ath_hal_setcapability(_ah, HAL_CAP_DIVERSITY, 1, _v, NULL)
1218 #define	ath_hal_getantennaswitch(_ah) \
1219 	((*(_ah)->ah_getAntennaSwitch)((_ah)))
1220 #define	ath_hal_setantennaswitch(_ah, _v) \
1221 	((*(_ah)->ah_setAntennaSwitch)((_ah), (_v)))
1222 #define	ath_hal_getdiag(_ah, _pv) \
1223 	(ath_hal_getcapability(_ah, HAL_CAP_DIAG, 0, _pv) == HAL_OK)
1224 #define	ath_hal_setdiag(_ah, _v) \
1225 	ath_hal_setcapability(_ah, HAL_CAP_DIAG, 0, _v, NULL)
1226 #define	ath_hal_getnumtxqueues(_ah, _pv) \
1227 	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXQUEUES, 0, _pv) == HAL_OK)
1228 #define	ath_hal_hasveol(_ah) \
1229 	(ath_hal_getcapability(_ah, HAL_CAP_VEOL, 0, NULL) == HAL_OK)
1230 #define	ath_hal_hastxpowlimit(_ah) \
1231 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 0, NULL) == HAL_OK)
1232 #define	ath_hal_settxpowlimit(_ah, _pow) \
1233 	((*(_ah)->ah_setTxPowerLimit)((_ah), (_pow)))
1234 #define	ath_hal_gettxpowlimit(_ah, _ppow) \
1235 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 1, _ppow) == HAL_OK)
1236 #define	ath_hal_getmaxtxpow(_ah, _ppow) \
1237 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 2, _ppow) == HAL_OK)
1238 #define	ath_hal_gettpscale(_ah, _scale) \
1239 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 3, _scale) == HAL_OK)
1240 #define	ath_hal_settpscale(_ah, _v) \
1241 	ath_hal_setcapability(_ah, HAL_CAP_TXPOW, 3, _v, NULL)
1242 #define	ath_hal_hastpc(_ah) \
1243 	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 0, NULL) == HAL_OK)
1244 #define	ath_hal_gettpc(_ah) \
1245 	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 1, NULL) == HAL_OK)
1246 #define	ath_hal_settpc(_ah, _v) \
1247 	ath_hal_setcapability(_ah, HAL_CAP_TPC, 1, _v, NULL)
1248 #define	ath_hal_hasbursting(_ah) \
1249 	(ath_hal_getcapability(_ah, HAL_CAP_BURST, 0, NULL) == HAL_OK)
1250 #define	ath_hal_setmcastkeysearch(_ah, _v) \
1251 	ath_hal_setcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, _v, NULL)
1252 #define	ath_hal_hasmcastkeysearch(_ah) \
1253 	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, NULL) == HAL_OK)
1254 #define	ath_hal_getmcastkeysearch(_ah) \
1255 	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 1, NULL) == HAL_OK)
1256 #define	ath_hal_hasfastframes(_ah) \
1257 	(ath_hal_getcapability(_ah, HAL_CAP_FASTFRAME, 0, NULL) == HAL_OK)
1258 #define	ath_hal_hasbssidmask(_ah) \
1259 	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMASK, 0, NULL) == HAL_OK)
1260 #define	ath_hal_hasbssidmatch(_ah) \
1261 	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMATCH, 0, NULL) == HAL_OK)
1262 #define	ath_hal_hastsfadjust(_ah) \
1263 	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 0, NULL) == HAL_OK)
1264 #define	ath_hal_gettsfadjust(_ah) \
1265 	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 1, NULL) == HAL_OK)
1266 #define	ath_hal_settsfadjust(_ah, _onoff) \
1267 	ath_hal_setcapability(_ah, HAL_CAP_TSF_ADJUST, 1, _onoff, NULL)
1268 #define	ath_hal_hasrfsilent(_ah) \
1269 	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 0, NULL) == HAL_OK)
1270 #define	ath_hal_getrfkill(_ah) \
1271 	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, NULL) == HAL_OK)
1272 #define	ath_hal_setrfkill(_ah, _onoff) \
1273 	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _onoff, NULL)
1274 #define	ath_hal_getrfsilent(_ah, _prfsilent) \
1275 	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 2, _prfsilent) == HAL_OK)
1276 #define	ath_hal_setrfsilent(_ah, _rfsilent) \
1277 	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 2, _rfsilent, NULL)
1278 #define	ath_hal_gettpack(_ah, _ptpack) \
1279 	(ath_hal_getcapability(_ah, HAL_CAP_TPC_ACK, 0, _ptpack) == HAL_OK)
1280 #define	ath_hal_settpack(_ah, _tpack) \
1281 	ath_hal_setcapability(_ah, HAL_CAP_TPC_ACK, 0, _tpack, NULL)
1282 #define	ath_hal_gettpcts(_ah, _ptpcts) \
1283 	(ath_hal_getcapability(_ah, HAL_CAP_TPC_CTS, 0, _ptpcts) == HAL_OK)
1284 #define	ath_hal_settpcts(_ah, _tpcts) \
1285 	ath_hal_setcapability(_ah, HAL_CAP_TPC_CTS, 0, _tpcts, NULL)
1286 #define	ath_hal_hasintmit(_ah) \
1287 	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1288 	HAL_CAP_INTMIT_PRESENT, NULL) == HAL_OK)
1289 #define	ath_hal_getintmit(_ah) \
1290 	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1291 	HAL_CAP_INTMIT_ENABLE, NULL) == HAL_OK)
1292 #define	ath_hal_setintmit(_ah, _v) \
1293 	ath_hal_setcapability(_ah, HAL_CAP_INTMIT, \
1294 	HAL_CAP_INTMIT_ENABLE, _v, NULL)
1295 #define	ath_hal_hasmybeacon(_ah) \
1296 	(ath_hal_getcapability(_ah, HAL_CAP_DO_MYBEACON, 1, NULL) == HAL_OK)
1297 
1298 #define	ath_hal_hasenforcetxop(_ah) \
1299 	(ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 0, NULL) == HAL_OK)
1300 #define	ath_hal_getenforcetxop(_ah) \
1301 	(ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, NULL) == HAL_OK)
1302 #define	ath_hal_setenforcetxop(_ah, _v) \
1303 	ath_hal_setcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, _v, NULL)
1304 
1305 #define	ath_hal_hasrxlnamixer(_ah) \
1306 	(ath_hal_getcapability(_ah, HAL_CAP_RX_LNA_MIXING, 0, NULL) == HAL_OK)
1307 
1308 #define	ath_hal_hasdivantcomb(_ah) \
1309 	(ath_hal_getcapability(_ah, HAL_CAP_ANT_DIV_COMB, 0, NULL) == HAL_OK)
1310 
1311 /* EDMA definitions */
1312 #define	ath_hal_hasedma(_ah) \
1313 	(ath_hal_getcapability(_ah, HAL_CAP_ENHANCED_DMA_SUPPORT,	\
1314 	0, NULL) == HAL_OK)
1315 #define	ath_hal_getrxfifodepth(_ah, _qtype, _req) \
1316 	(ath_hal_getcapability(_ah, HAL_CAP_RXFIFODEPTH, _qtype, _req)	\
1317 	== HAL_OK)
1318 #define	ath_hal_getntxmaps(_ah, _req) \
1319 	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXMAPS, 0, _req)	\
1320 	== HAL_OK)
1321 #define	ath_hal_gettxdesclen(_ah, _req) \
1322 	(ath_hal_getcapability(_ah, HAL_CAP_TXDESCLEN, 0, _req)		\
1323 	== HAL_OK)
1324 #define	ath_hal_gettxstatuslen(_ah, _req) \
1325 	(ath_hal_getcapability(_ah, HAL_CAP_TXSTATUSLEN, 0, _req)	\
1326 	== HAL_OK)
1327 #define	ath_hal_getrxstatuslen(_ah, _req) \
1328 	(ath_hal_getcapability(_ah, HAL_CAP_RXSTATUSLEN, 0, _req)	\
1329 	== HAL_OK)
1330 #define	ath_hal_setrxbufsize(_ah, _req) \
1331 	(ath_hal_setcapability(_ah, HAL_CAP_RXBUFSIZE, 0, _req, NULL)	\
1332 	== HAL_OK)
1333 
1334 #define	ath_hal_getchannoise(_ah, _c) \
1335 	((*(_ah)->ah_getChanNoise)((_ah), (_c)))
1336 
1337 /* 802.11n HAL methods */
1338 #define	ath_hal_getrxchainmask(_ah, _prxchainmask) \
1339 	(ath_hal_getcapability(_ah, HAL_CAP_RX_CHAINMASK, 0, _prxchainmask))
1340 #define	ath_hal_gettxchainmask(_ah, _ptxchainmask) \
1341 	(ath_hal_getcapability(_ah, HAL_CAP_TX_CHAINMASK, 0, _ptxchainmask))
1342 #define	ath_hal_setrxchainmask(_ah, _rx) \
1343 	(ath_hal_setcapability(_ah, HAL_CAP_RX_CHAINMASK, 1, _rx, NULL))
1344 #define	ath_hal_settxchainmask(_ah, _tx) \
1345 	(ath_hal_setcapability(_ah, HAL_CAP_TX_CHAINMASK, 1, _tx, NULL))
1346 #define	ath_hal_split4ktrans(_ah) \
1347 	(ath_hal_getcapability(_ah, HAL_CAP_SPLIT_4KB_TRANS, \
1348 	0, NULL) == HAL_OK)
1349 #define	ath_hal_self_linked_final_rxdesc(_ah) \
1350 	(ath_hal_getcapability(_ah, HAL_CAP_RXDESC_SELFLINK, \
1351 	0, NULL) == HAL_OK)
1352 #define	ath_hal_gtxto_supported(_ah) \
1353 	(ath_hal_getcapability(_ah, HAL_CAP_GTXTO, 0, NULL) == HAL_OK)
1354 #define	ath_hal_has_long_rxdesc_tsf(_ah) \
1355 	(ath_hal_getcapability(_ah, HAL_CAP_LONG_RXDESC_TSF, \
1356 	0, NULL) == HAL_OK)
1357 #define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
1358 	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
1359 #define	ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext, _rs) \
1360 	((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext), 0, (_rs)))
1361 #define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
1362 		_txr0, _txtr0, _keyix, _ant, _flags, \
1363 		_rtsrate, _rtsdura) \
1364 	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
1365 		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
1366 		(_flags), (_rtsrate), (_rtsdura), 0, 0, 0))
1367 #define	ath_hal_setupxtxdesc(_ah, _ds, \
1368 		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
1369 	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), \
1370 		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
1371 #define	ath_hal_filltxdesc(_ah, _ds, _b, _l, _did, _qid, _first, _last, _ds0) \
1372 	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_b), (_l), (_did), (_qid), \
1373 		(_first), (_last), (_ds0)))
1374 #define	ath_hal_txprocdesc(_ah, _ds, _ts) \
1375 	((*(_ah)->ah_procTxDesc)((_ah), (_ds), (_ts)))
1376 #define	ath_hal_gettxintrtxqs(_ah, _txqs) \
1377 	((*(_ah)->ah_getTxIntrQueue)((_ah), (_txqs)))
1378 #define ath_hal_gettxcompletionrates(_ah, _ds, _rates, _tries) \
1379 	((*(_ah)->ah_getTxCompletionRates)((_ah), (_ds), (_rates), (_tries)))
1380 #define ath_hal_settxdesclink(_ah, _ds, _link) \
1381 	((*(_ah)->ah_setTxDescLink)((_ah), (_ds), (_link)))
1382 #define ath_hal_gettxdesclink(_ah, _ds, _link) \
1383 	((*(_ah)->ah_getTxDescLink)((_ah), (_ds), (_link)))
1384 #define ath_hal_gettxdesclinkptr(_ah, _ds, _linkptr) \
1385 	((*(_ah)->ah_getTxDescLinkPtr)((_ah), (_ds), (_linkptr)))
1386 #define	ath_hal_setuptxstatusring(_ah, _tsstart, _tspstart, _size) \
1387 	((*(_ah)->ah_setupTxStatusRing)((_ah), (_tsstart), (_tspstart), \
1388 		(_size)))
1389 #define	ath_hal_gettxrawtxdesc(_ah, _txstatus) \
1390 	((*(_ah)->ah_getTxRawTxDesc)((_ah), (_txstatus)))
1391 
1392 #define	ath_hal_setupfirsttxdesc(_ah, _ds, _aggrlen, _flags, _txpower, \
1393 		_txr0, _txtr0, _antm, _rcr, _rcd) \
1394 	((*(_ah)->ah_setupFirstTxDesc)((_ah), (_ds), (_aggrlen), (_flags), \
1395 	(_txpower), (_txr0), (_txtr0), (_antm), (_rcr), (_rcd)))
1396 #define	ath_hal_chaintxdesc(_ah, _ds, _bl, _sl, _pktlen, _hdrlen, _type, \
1397 	_keyix, _cipher, _delims, _first, _last, _lastaggr) \
1398 	((*(_ah)->ah_chainTxDesc)((_ah), (_ds), (_bl), (_sl), \
1399 	(_pktlen), (_hdrlen), (_type), (_keyix), (_cipher), (_delims), \
1400 	(_first), (_last), (_lastaggr)))
1401 #define	ath_hal_setuplasttxdesc(_ah, _ds, _ds0) \
1402 	((*(_ah)->ah_setupLastTxDesc)((_ah), (_ds), (_ds0)))
1403 
1404 #define	ath_hal_set11nratescenario(_ah, _ds, _dur, _rt, _series, _ns, _flags) \
1405 	((*(_ah)->ah_set11nRateScenario)((_ah), (_ds), (_dur), (_rt), \
1406 	(_series), (_ns), (_flags)))
1407 
1408 #define	ath_hal_set11n_aggr_first(_ah, _ds, _len, _num) \
1409 	((*(_ah)->ah_set11nAggrFirst)((_ah), (_ds), (_len), (_num)))
1410 #define	ath_hal_set11n_aggr_middle(_ah, _ds, _num) \
1411 	((*(_ah)->ah_set11nAggrMiddle)((_ah), (_ds), (_num)))
1412 #define	ath_hal_set11n_aggr_last(_ah, _ds) \
1413 	((*(_ah)->ah_set11nAggrLast)((_ah), (_ds)))
1414 
1415 #define	ath_hal_set11nburstduration(_ah, _ds, _dur) \
1416 	((*(_ah)->ah_set11nBurstDuration)((_ah), (_ds), (_dur)))
1417 #define	ath_hal_clr11n_aggr(_ah, _ds) \
1418 	((*(_ah)->ah_clr11nAggr)((_ah), (_ds)))
1419 #define	ath_hal_set11n_virtmorefrag(_ah, _ds, _v) \
1420 	((*(_ah)->ah_set11nVirtMoreFrag)((_ah), (_ds), (_v)))
1421 
1422 #define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
1423 	((*(_ah)->ah_gpioCfgOutput)((_ah), (_gpio), (_type)))
1424 #define	ath_hal_gpioset(_ah, _gpio, _b) \
1425 	((*(_ah)->ah_gpioSet)((_ah), (_gpio), (_b)))
1426 #define	ath_hal_gpioget(_ah, _gpio) \
1427 	((*(_ah)->ah_gpioGet)((_ah), (_gpio)))
1428 #define	ath_hal_gpiosetintr(_ah, _gpio, _b) \
1429 	((*(_ah)->ah_gpioSetIntr)((_ah), (_gpio), (_b)))
1430 
1431 /*
1432  * PCIe suspend/resume/poweron/poweroff related macros
1433  */
1434 #define	ath_hal_enablepcie(_ah, _restore, _poweroff) \
1435 	((*(_ah)->ah_configPCIE)((_ah), (_restore), (_poweroff)))
1436 #define	ath_hal_disablepcie(_ah) \
1437 	((*(_ah)->ah_disablePCIE)((_ah)))
1438 
1439 /*
1440  * This is badly-named; you need to set the correct parameters
1441  * to begin to receive useful radar events; and even then
1442  * it doesn't "enable" DFS. See the ath_dfs/null/ module for
1443  * more information.
1444  */
1445 #define	ath_hal_enabledfs(_ah, _param) \
1446 	((*(_ah)->ah_enableDfs)((_ah), (_param)))
1447 #define	ath_hal_getdfsthresh(_ah, _param) \
1448 	((*(_ah)->ah_getDfsThresh)((_ah), (_param)))
1449 #define	ath_hal_getdfsdefaultthresh(_ah, _param) \
1450 	((*(_ah)->ah_getDfsDefaultThresh)((_ah), (_param)))
1451 #define	ath_hal_procradarevent(_ah, _rxs, _fulltsf, _buf, _event) \
1452 	((*(_ah)->ah_procRadarEvent)((_ah), (_rxs), (_fulltsf), \
1453 	(_buf), (_event)))
1454 #define	ath_hal_is_fast_clock_enabled(_ah) \
1455 	((*(_ah)->ah_isFastClockEnabled)((_ah)))
1456 #define	ath_hal_radar_wait(_ah, _chan) \
1457 	((*(_ah)->ah_radarWait)((_ah), (_chan)))
1458 #define	ath_hal_get_mib_cycle_counts(_ah, _sample) \
1459 	((*(_ah)->ah_getMibCycleCounts)((_ah), (_sample)))
1460 #define	ath_hal_get_chan_ext_busy(_ah) \
1461 	((*(_ah)->ah_get11nExtBusy)((_ah)))
1462 #define	ath_hal_setchainmasks(_ah, _txchainmask, _rxchainmask) \
1463 	((*(_ah)->ah_setChainMasks)((_ah), (_txchainmask), (_rxchainmask)))
1464 
1465 #define	ath_hal_spectral_supported(_ah) \
1466 	(ath_hal_getcapability(_ah, HAL_CAP_SPECTRAL_SCAN, 0, NULL) == HAL_OK)
1467 #define	ath_hal_spectral_get_config(_ah, _p) \
1468 	((*(_ah)->ah_spectralGetConfig)((_ah), (_p)))
1469 #define	ath_hal_spectral_configure(_ah, _p) \
1470 	((*(_ah)->ah_spectralConfigure)((_ah), (_p)))
1471 #define	ath_hal_spectral_start(_ah) \
1472 	((*(_ah)->ah_spectralStart)((_ah)))
1473 #define	ath_hal_spectral_stop(_ah) \
1474 	((*(_ah)->ah_spectralStop)((_ah)))
1475 
1476 #define	ath_hal_btcoex_supported(_ah) \
1477 	(ath_hal_getcapability(_ah, HAL_CAP_BT_COEX, 0, NULL) == HAL_OK)
1478 #define	ath_hal_btcoex_set_info(_ah, _info) \
1479 	((*(_ah)->ah_btCoexSetInfo)((_ah), (_info)))
1480 #define	ath_hal_btcoex_set_config(_ah, _cfg) \
1481 	((*(_ah)->ah_btCoexSetConfig)((_ah), (_cfg)))
1482 #define	ath_hal_btcoex_set_qcu_thresh(_ah, _qcuid) \
1483 	((*(_ah)->ah_btCoexSetQcuThresh)((_ah), (_qcuid)))
1484 #define	ath_hal_btcoex_set_weights(_ah, _weight) \
1485 	((*(_ah)->ah_btCoexSetWeights)((_ah), (_weight)))
1486 #define	ath_hal_btcoex_set_weights(_ah, _weight) \
1487 	((*(_ah)->ah_btCoexSetWeights)((_ah), (_weight)))
1488 #define	ath_hal_btcoex_set_bmiss_thresh(_ah, _thr) \
1489 	((*(_ah)->ah_btCoexSetBmissThresh)((_ah), (_thr)))
1490 #define	ath_hal_btcoex_set_parameter(_ah, _attrib, _val) \
1491 	((*(_ah)->ah_btCoexSetParameter)((_ah), (_attrib), (_val)))
1492 #define	ath_hal_btcoex_enable(_ah) \
1493 	((*(_ah)->ah_btCoexEnable)((_ah)))
1494 #define	ath_hal_btcoex_disable(_ah) \
1495 	((*(_ah)->ah_btCoexDisable)((_ah)))
1496 
1497 #define	ath_hal_div_comb_conf_get(_ah, _conf) \
1498 	((*(_ah)->ah_divLnaConfGet)((_ah), (_conf)))
1499 #define	ath_hal_div_comb_conf_set(_ah, _conf) \
1500 	((*(_ah)->ah_divLnaConfSet)((_ah), (_conf)))
1501 
1502 #endif /* _DEV_ATH_ATHVAR_H */
1503