xref: /dragonfly/sys/dev/netif/ath/ath/if_athvar.h (revision 3a25be87)
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/netif/ath/ath_hal/ah.h>
41 #include <dev/netif/ath/ath_hal/ah_desc.h>
42 #include <netproto/802_11/ieee80211_radiotap.h>
43 #include <dev/netif/ath/ath/if_athioctl.h>
44 #include <dev/netif/ath/ath/if_athrate.h>
45 #ifdef	ATH_DEBUG_ALQ
46 #include <dev/netif/ath/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 #ifndef ATH_RXBUF
60 #ifdef	ATH_ENABLE_11N
61 #define	ATH_RXBUF	512		/* 802.11n requires more buffers to do AMPDU. */
62 #elif defined(__DragonFly__)
63 #define	ATH_RXBUF	256		/* a default of 40 RXBUFs is not enough */
64 #else
65 #define	ATH_RXBUF	40		/* number of RX buffers */
66 #endif
67 #endif
68 #ifndef ATH_TXBUF
69 #ifdef	ATH_ENABLE_11N
70 #define	ATH_TXBUF	512		/* 802.11n requires more buffers to do AMPDU. */
71 #elif defined(__DragonFly__)
72 #define	ATH_TXBUF	256		/* a default of 40 RXBUFs is not enough */
73 #else
74 #define	ATH_TXBUF	200		/* number of TX buffers */
75 #endif
76 #endif
77 #define	ATH_BCBUF	4		/* number of beacon buffers */
78 
79 #define	ATH_TXDESC	10		/* number of descriptors per buffer */
80 #define	ATH_TXMAXTRY	11		/* max number of transmit attempts */
81 #define	ATH_TXMGTTRY	4		/* xmit attempts for mgt/ctl frames */
82 #define	ATH_TXINTR_PERIOD 5		/* max number of batched tx descriptors */
83 
84 #define	ATH_BEACON_AIFS_DEFAULT	 1	/* default aifs for ap beacon q */
85 #define	ATH_BEACON_CWMIN_DEFAULT 0	/* default cwmin for ap beacon q */
86 #define	ATH_BEACON_CWMAX_DEFAULT 0	/* default cwmax for ap beacon q */
87 
88 /*
89  * The key cache is used for h/w cipher state and also for
90  * tracking station state such as the current tx antenna.
91  * We also setup a mapping table between key cache slot indices
92  * and station state to short-circuit node lookups on rx.
93  * Different parts have different size key caches.  We handle
94  * up to ATH_KEYMAX entries (could dynamically allocate state).
95  */
96 #define	ATH_KEYMAX	128		/* max key cache size we handle */
97 #define	ATH_KEYBYTES	(ATH_KEYMAX/NBBY)	/* storage space in bytes */
98 
99 struct taskqueue;
100 struct kthread;
101 struct ath_buf;
102 
103 #define	ATH_TID_MAX_BUFS	(2 * IEEE80211_AGGR_BAWMAX)
104 
105 /*
106  * Per-TID state
107  *
108  * Note that TID 16 (WME_NUM_TID+1) is for handling non-QoS frames.
109  */
110 struct ath_tid {
111 	TAILQ_HEAD(,ath_buf)	tid_q;		/* pending buffers */
112 	struct ath_node		*an;		/* pointer to parent */
113 	int			tid;		/* tid */
114 	int			ac;		/* which AC gets this trafic */
115 	int			hwq_depth;	/* how many buffers are on HW */
116 	u_int			axq_depth;	/* SW queue depth */
117 
118 	struct {
119 		TAILQ_HEAD(,ath_buf)	tid_q;		/* filtered queue */
120 		u_int			axq_depth;	/* SW queue depth */
121 	} filtq;
122 
123 	/*
124 	 * Entry on the ath_txq; when there's traffic
125 	 * to send
126 	 */
127 	TAILQ_ENTRY(ath_tid)	axq_qelem;
128 	int			sched;
129 	int			paused;	/* >0 if the TID has been paused */
130 
131 	/*
132 	 * These are flags - perhaps later collapse
133 	 * down to a single uint32_t ?
134 	 */
135 	int			addba_tx_pending;	/* TX ADDBA pending */
136 	int			bar_wait;	/* waiting for BAR */
137 	int			bar_tx;		/* BAR TXed */
138 	int			isfiltered;	/* is this node currently filtered */
139 
140 	/*
141 	 * Is the TID being cleaned up after a transition
142 	 * from aggregation to non-aggregation?
143 	 * When this is set to 1, this TID will be paused
144 	 * and no further traffic will be queued until all
145 	 * the hardware packets pending for this TID have been
146 	 * TXed/completed; at which point (non-aggregation)
147 	 * traffic will resume being TXed.
148 	 */
149 	int			cleanup_inprogress;
150 	/*
151 	 * How many hardware-queued packets are
152 	 * waiting to be cleaned up.
153 	 * This is only valid if cleanup_inprogress is 1.
154 	 */
155 	int			incomp;
156 
157 	/*
158 	 * The following implements a ring representing
159 	 * the frames in the current BAW.
160 	 * To avoid copying the array content each time
161 	 * the BAW is moved, the baw_head/baw_tail point
162 	 * to the current BAW begin/end; when the BAW is
163 	 * shifted the head/tail of the array are also
164 	 * appropriately shifted.
165 	 */
166 	/* active tx buffers, beginning at current BAW */
167 	struct ath_buf		*tx_buf[ATH_TID_MAX_BUFS];
168 	/* where the baw head is in the array */
169 	int			baw_head;
170 	/* where the BAW tail is in the array */
171 	int			baw_tail;
172 };
173 
174 /* driver-specific node state */
175 struct ath_node {
176 	struct ieee80211_node an_node;	/* base class */
177 	u_int8_t	an_mgmtrix;	/* min h/w rate index */
178 	u_int8_t	an_mcastrix;	/* mcast h/w rate index */
179 	uint32_t	an_is_powersave;	/* node is sleeping */
180 	uint32_t	an_stack_psq;		/* net80211 psq isn't empty */
181 	uint32_t	an_tim_set;		/* TIM has been set */
182 	struct ath_buf	*an_ff_buf[WME_NUM_AC]; /* ff staging area */
183 	struct ath_tid	an_tid[IEEE80211_TID_SIZE];	/* per-TID state */
184 	char		an_name[32];	/* eg "wlan0_a1" */
185 #if 0
186 	struct mtx	an_mtx;		/* protecting the rate control state */
187 #endif
188 	uint32_t	an_swq_depth;	/* how many SWQ packets for this
189 					   node */
190 	int			clrdmask;	/* has clrdmask been set */
191 	uint32_t	an_leak_count;	/* How many frames to leak during pause */
192 	/* variable-length rate control state follows */
193 };
194 #define	ATH_NODE(ni)	((struct ath_node *)(ni))
195 #define	ATH_NODE_CONST(ni)	((const struct ath_node *)(ni))
196 
197 #define ATH_RSSI_LPF_LEN	10
198 #define ATH_RSSI_DUMMY_MARKER	0x127
199 #define ATH_EP_MUL(x, mul)	((x) * (mul))
200 #define ATH_RSSI_IN(x)		(ATH_EP_MUL((x), HAL_RSSI_EP_MULTIPLIER))
201 #define ATH_LPF_RSSI(x, y, len) \
202     ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
203 #define ATH_RSSI_LPF(x, y) do {						\
204     if ((y) >= -20)							\
205     	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);	\
206 } while (0)
207 #define	ATH_EP_RND(x,mul) \
208 	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
209 #define	ATH_RSSI(x)		ATH_EP_RND(x, HAL_RSSI_EP_MULTIPLIER)
210 
211 typedef enum {
212 	ATH_BUFTYPE_NORMAL	= 0,
213 	ATH_BUFTYPE_MGMT	= 1,
214 } ath_buf_type_t;
215 
216 struct ath_buf {
217 	TAILQ_ENTRY(ath_buf)	bf_list;
218 	struct ath_buf *	bf_next;	/* next buffer in the aggregate */
219 	int			bf_nseg;
220 	HAL_STATUS		bf_rxstatus;
221 	uint16_t		bf_flags;	/* status flags (below) */
222 	uint16_t		bf_descid;	/* 16 bit descriptor ID */
223 	struct ath_desc		*bf_desc;	/* virtual addr of desc */
224 	struct ath_desc_status	bf_status;	/* tx/rx status */
225 	bus_addr_t		bf_daddr;	/* physical addr of desc */
226 	bus_dmamap_t		bf_dmamap;	/* DMA map for mbuf chain */
227 	struct mbuf		*bf_m;		/* mbuf for buf */
228 	struct ieee80211_node	*bf_node;	/* pointer to the node */
229 	struct ath_desc		*bf_lastds;	/* last descriptor for comp status */
230 	struct ath_buf		*bf_last;	/* last buffer in aggregate, or self for non-aggregate */
231 	bus_size_t		bf_mapsize;
232 #define	ATH_MAX_SCATTER		ATH_TXDESC	/* max(tx,rx,beacon) desc's */
233 	bus_dma_segment_t	bf_segs[ATH_MAX_SCATTER];
234 	uint32_t		bf_nextfraglen;	/* length of next fragment */
235 
236 	/* Completion function to call on TX complete (fail or not) */
237 	/*
238 	 * "fail" here is set to 1 if the queue entries were removed
239 	 * through a call to ath_tx_draintxq().
240 	 */
241 	void(* bf_comp) (struct ath_softc *sc, struct ath_buf *bf, int fail);
242 
243 	/* This state is kept to support software retries and aggregation */
244 	struct {
245 		uint16_t bfs_seqno;	/* sequence number of this packet */
246 		uint16_t bfs_ndelim;	/* number of delims for padding */
247 
248 		uint8_t bfs_retries;	/* retry count */
249 		uint8_t bfs_tid;	/* packet TID (or TID_MAX for no QoS) */
250 		uint8_t bfs_nframes;	/* number of frames in aggregate */
251 		uint8_t bfs_pri;	/* packet AC priority */
252 		uint8_t bfs_tx_queue;	/* destination hardware TX queue */
253 
254 		u_int32_t bfs_aggr:1,		/* part of aggregate? */
255 		    bfs_aggrburst:1,	/* part of aggregate burst? */
256 		    bfs_isretried:1,	/* retried frame? */
257 		    bfs_dobaw:1,	/* actually check against BAW? */
258 		    bfs_addedbaw:1,	/* has been added to the BAW */
259 		    bfs_shpream:1,	/* use short preamble */
260 		    bfs_istxfrag:1,	/* is fragmented */
261 		    bfs_ismrr:1,	/* do multi-rate TX retry */
262 		    bfs_doprot:1,	/* do RTS/CTS based protection */
263 		    bfs_doratelookup:1;	/* do rate lookup before each TX */
264 
265 		/*
266 		 * These fields are passed into the
267 		 * descriptor setup functions.
268 		 */
269 
270 		/* Make this an 8 bit value? */
271 		HAL_PKT_TYPE bfs_atype;	/* packet type */
272 
273 		uint32_t bfs_pktlen;	/* length of this packet */
274 
275 		uint16_t bfs_hdrlen;	/* length of this packet header */
276 		uint16_t bfs_al;	/* length of aggregate */
277 
278 		uint16_t bfs_txflags;	/* HAL (tx) descriptor flags */
279 		uint8_t bfs_txrate0;	/* first TX rate */
280 		uint8_t bfs_try0;		/* first try count */
281 
282 		uint16_t bfs_txpower;	/* tx power */
283 		uint8_t bfs_ctsrate0;	/* Non-zero - use this as ctsrate */
284 		uint8_t bfs_ctsrate;	/* CTS rate */
285 
286 		/* 16 bit? */
287 		int32_t bfs_keyix;		/* crypto key index */
288 		int32_t bfs_txantenna;	/* TX antenna config */
289 
290 		/* Make this an 8 bit value? */
291 		enum ieee80211_protmode bfs_protmode;
292 
293 		/* 16 bit? */
294 		uint32_t bfs_ctsduration;	/* CTS duration (pre-11n NICs) */
295 		struct ath_rc_series bfs_rc[ATH_RC_NUM];	/* non-11n TX series */
296 	} bf_state;
297 };
298 typedef TAILQ_HEAD(ath_bufhead_s, ath_buf) ath_bufhead;
299 
300 #define	ATH_BUF_MGMT	0x00000001	/* (tx) desc is a mgmt desc */
301 #define	ATH_BUF_BUSY	0x00000002	/* (tx) desc owned by h/w */
302 #define	ATH_BUF_FIFOEND	0x00000004
303 #define	ATH_BUF_FIFOPTR	0x00000008
304 
305 #define	ATH_BUF_FLAGS_CLONE	(ATH_BUF_MGMT)
306 
307 /*
308  * DMA state for tx/rx descriptors.
309  */
310 struct ath_descdma {
311 	const char*		dd_name;
312 	struct ath_desc		*dd_desc;	/* descriptors */
313 	int			dd_descsize;	/* size of single descriptor */
314 	bus_addr_t		dd_desc_paddr;	/* physical addr of dd_desc */
315 	bus_size_t		dd_desc_len;	/* size of dd_desc */
316 	bus_dma_segment_t	dd_dseg;
317 	bus_dma_tag_t		dd_dmat;	/* bus DMA tag */
318 	bus_dmamap_t		dd_dmamap;	/* DMA map for descriptors */
319 	struct ath_buf		*dd_bufptr;	/* associated buffers */
320 };
321 
322 /*
323  * Data transmit queue state.  One of these exists for each
324  * hardware transmit queue.  Packets sent to us from above
325  * are assigned to queues based on their priority.  Not all
326  * devices support a complete set of hardware transmit queues.
327  * For those devices the array sc_ac2q will map multiple
328  * priorities to fewer hardware queues (typically all to one
329  * hardware queue).
330  */
331 struct ath_txq {
332 	struct ath_softc	*axq_softc;	/* Needed for scheduling */
333 	u_int			axq_qnum;	/* hardware q number */
334 #define	ATH_TXQ_SWQ	(HAL_NUM_TX_QUEUES+1)	/* qnum for s/w only queue */
335 	u_int			axq_ac;		/* WME AC */
336 	u_int			axq_flags;
337 //#define	ATH_TXQ_PUTPENDING	0x0001		/* ath_hal_puttxbuf pending */
338 #define	ATH_TXQ_PUTRUNNING	0x0002		/* ath_hal_puttxbuf has been called */
339 	u_int			axq_depth;	/* queue depth (stat only) */
340 	u_int			axq_aggr_depth;	/* how many aggregates are queued */
341 	u_int			axq_intrcnt;	/* interrupt count */
342 	u_int32_t		*axq_link;	/* link ptr in last TX desc */
343 	TAILQ_HEAD(axq_q_s, ath_buf)	axq_q;		/* transmit queue */
344 	struct lock		axq_lock;	/* lock on q and link */
345 
346 	/*
347 	 * This is the FIFO staging buffer when doing EDMA.
348 	 *
349 	 * For legacy chips, we just push the head pointer to
350 	 * the hardware and we ignore this list.
351 	 *
352 	 * For EDMA, the staging buffer is treated as normal;
353 	 * when it's time to push a list of frames to the hardware
354 	 * we move that list here and we stamp buffers with
355 	 * flags to identify the beginning/end of that particular
356 	 * FIFO entry.
357 	 */
358 	struct {
359 		TAILQ_HEAD(axq_q_f_s, ath_buf)	axq_q;
360 		u_int				axq_depth;
361 	} fifo;
362 	u_int			axq_fifo_depth;	/* depth of FIFO frames */
363 
364 	/*
365 	 * XXX the holdingbf field is protected by the TXBUF lock
366 	 * for now, NOT the TXQ lock.
367 	 *
368 	 * Architecturally, it would likely be better to move
369 	 * the holdingbf field to a separate array in ath_softc
370 	 * just to highlight that it's not protected by the normal
371 	 * TX path lock.
372 	 */
373 	struct ath_buf		*axq_holdingbf;	/* holding TX buffer */
374 	char			axq_name[12];	/* e.g. "ath0_txq4" */
375 
376 	/* Per-TID traffic queue for software -> hardware TX */
377 	/*
378 	 * This is protected by the general TX path lock, not (for now)
379 	 * by the TXQ lock.
380 	 */
381 	TAILQ_HEAD(axq_t_s,ath_tid)	axq_tidq;
382 };
383 
384 #ifdef __DragonFly__
385 /* already serialized by wlan_serializer */
386 #define IF_LOCK(ifp)
387 #define IF_UNLOCK(ifp)
388 #define IEEE80211_LOCK_ASSERT(ic)
389 #define IEEE80211_LOCK(ic)
390 #define IEEE80211_UNLOCK(ic)
391 #endif
392 
393 #define	ATH_TXQ_LOCK_INIT(_sc, _tq)
394 #define	ATH_TXQ_LOCK_DESTROY(_tq)
395 #define	ATH_TXQ_LOCK(_tq)
396 #define	ATH_TXQ_UNLOCK(_tq)
397 #define	ATH_TXQ_LOCK_ASSERT(_tq)
398 #define	ATH_TXQ_UNLOCK_ASSERT(_tq)
399 
400 #define	ATH_NODE_LOCK(_an)
401 #define	ATH_NODE_UNLOCK(_an)
402 #define	ATH_NODE_LOCK_ASSERT(_an)
403 #define	ATH_NODE_UNLOCK_ASSERT(_an)
404 
405 /*
406  * These are for the hardware queue.
407  */
408 #define ATH_TXQ_INSERT_HEAD(_tq, _elm, _field) do { \
409 	TAILQ_INSERT_HEAD(&(_tq)->axq_q, (_elm), _field); \
410 	(_tq)->axq_depth++; \
411 } while (0)
412 #define ATH_TXQ_INSERT_TAIL(_tq, _elm, _field) do { \
413 	TAILQ_INSERT_TAIL(&(_tq)->axq_q, (_elm), _field); \
414 	(_tq)->axq_depth++; \
415 } while (0)
416 #define ATH_TXQ_REMOVE(_tq, _elm, _field) do { \
417 	TAILQ_REMOVE(&(_tq)->axq_q, _elm, _field); \
418 	(_tq)->axq_depth--; \
419 } while (0)
420 #define	ATH_TXQ_FIRST(_tq)		TAILQ_FIRST(&(_tq)->axq_q)
421 #define	ATH_TXQ_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->axq_q, _field)
422 
423 /*
424  * These are for the TID software queue.
425  */
426 #define ATH_TID_INSERT_HEAD(_tq, _elm, _field) do { \
427 	TAILQ_INSERT_HEAD(&(_tq)->tid_q, (_elm), _field); \
428 	(_tq)->axq_depth++; \
429 	(_tq)->an->an_swq_depth++; \
430 } while (0)
431 #define ATH_TID_INSERT_TAIL(_tq, _elm, _field) do { \
432 	TAILQ_INSERT_TAIL(&(_tq)->tid_q, (_elm), _field); \
433 	(_tq)->axq_depth++; \
434 	(_tq)->an->an_swq_depth++; \
435 } while (0)
436 #define ATH_TID_REMOVE(_tq, _elm, _field) do { \
437 	TAILQ_REMOVE(&(_tq)->tid_q, _elm, _field); \
438 	(_tq)->axq_depth--; \
439 	(_tq)->an->an_swq_depth--; \
440 } while (0)
441 #define	ATH_TID_FIRST(_tq)		TAILQ_FIRST(&(_tq)->tid_q)
442 #define	ATH_TID_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->tid_q, _field)
443 
444 /*
445  * These are for the TID filtered frame queue
446  */
447 #define ATH_TID_FILT_INSERT_HEAD(_tq, _elm, _field) do { \
448 	TAILQ_INSERT_HEAD(&(_tq)->filtq.tid_q, (_elm), _field); \
449 	(_tq)->axq_depth++; \
450 	(_tq)->an->an_swq_depth++; \
451 } while (0)
452 #define ATH_TID_FILT_INSERT_TAIL(_tq, _elm, _field) do { \
453 	TAILQ_INSERT_TAIL(&(_tq)->filtq.tid_q, (_elm), _field); \
454 	(_tq)->axq_depth++; \
455 	(_tq)->an->an_swq_depth++; \
456 } while (0)
457 #define ATH_TID_FILT_REMOVE(_tq, _elm, _field) do { \
458 	TAILQ_REMOVE(&(_tq)->filtq.tid_q, _elm, _field); \
459 	(_tq)->axq_depth--; \
460 	(_tq)->an->an_swq_depth--; \
461 } while (0)
462 #define	ATH_TID_FILT_FIRST(_tq)		TAILQ_FIRST(&(_tq)->filtq.tid_q)
463 #define	ATH_TID_FILT_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->filtq.tid_q,_field)
464 
465 struct ath_vap {
466 	struct ieee80211vap av_vap;	/* base class */
467 	int		av_bslot;	/* beacon slot index */
468 	struct ath_buf	*av_bcbuf;	/* beacon buffer */
469 	struct ieee80211_beacon_offsets av_boff;/* dynamic update state */
470 	struct ath_txq	av_mcastq;	/* buffered mcast s/w queue */
471 
472 	void		(*av_recv_mgmt)(struct ieee80211_node *,
473 				struct mbuf *, int, int, int);
474 	int		(*av_newstate)(struct ieee80211vap *,
475 				enum ieee80211_state, int);
476 	void		(*av_bmiss)(struct ieee80211vap *);
477 	void		(*av_node_ps)(struct ieee80211_node *, int);
478 	int		(*av_set_tim)(struct ieee80211_node *, int);
479 	void		(*av_recv_pspoll)(struct ieee80211_node *,
480 				struct mbuf *);
481 };
482 #define	ATH_VAP(vap)	((struct ath_vap *)(vap))
483 
484 struct taskqueue;
485 struct ath_tx99;
486 
487 /*
488  * Whether to reset the TX/RX queue with or without
489  * a queue flush.
490  */
491 typedef enum {
492 	ATH_RESET_DEFAULT = 0,
493 	ATH_RESET_NOLOSS = 1,
494 	ATH_RESET_FULL = 2,
495 } ATH_RESET_TYPE;
496 
497 struct ath_rx_methods {
498 	void		(*recv_sched_queue)(struct ath_softc *sc,
499 			    HAL_RX_QUEUE q, int dosched);
500 	void		(*recv_sched)(struct ath_softc *sc, int dosched);
501 	void		(*recv_stop)(struct ath_softc *sc, int dodelay);
502 	int		(*recv_start)(struct ath_softc *sc);
503 	void		(*recv_flush)(struct ath_softc *sc);
504 	void		(*recv_tasklet)(void *arg, int npending);
505 	int		(*recv_rxbuf_init)(struct ath_softc *sc,
506 			    struct ath_buf *bf);
507 	int		(*recv_setup)(struct ath_softc *sc);
508 	int		(*recv_teardown)(struct ath_softc *sc);
509 };
510 
511 /*
512  * Represent the current state of the RX FIFO.
513  */
514 struct ath_rx_edma {
515 	struct ath_buf	**m_fifo;
516 	int		m_fifolen;
517 	int		m_fifo_head;
518 	int		m_fifo_tail;
519 	int		m_fifo_depth;
520 	struct mbuf	*m_rxpending;
521 	struct ath_buf	*m_holdbf;
522 };
523 
524 struct ath_tx_edma_fifo {
525 	struct ath_buf	**m_fifo;
526 	int		m_fifolen;
527 	int		m_fifo_head;
528 	int		m_fifo_tail;
529 	int		m_fifo_depth;
530 };
531 
532 struct ath_tx_methods {
533 	int		(*xmit_setup)(struct ath_softc *sc);
534 	int		(*xmit_teardown)(struct ath_softc *sc);
535 	void		(*xmit_attach_comp_func)(struct ath_softc *sc);
536 
537 	void		(*xmit_dma_restart)(struct ath_softc *sc,
538 			    struct ath_txq *txq);
539 	void		(*xmit_handoff)(struct ath_softc *sc,
540 			    struct ath_txq *txq, struct ath_buf *bf);
541 	void		(*xmit_drain)(struct ath_softc *sc,
542 			    ATH_RESET_TYPE reset_type);
543 };
544 
545 struct ath_softc {
546 	struct ifnet		*sc_ifp;	/* interface common */
547 	struct ath_stats	sc_stats;	/* interface statistics */
548 	struct ath_tx_aggr_stats	sc_aggr_stats;
549 	struct ath_intr_stats	sc_intr_stats;
550 	struct sysctl_ctx_list	sc_sysctl_ctx;
551 	struct sysctl_oid	*sc_sysctl_tree;
552 	uint64_t		sc_debug;
553 	uint64_t		sc_ktrdebug;
554 	int			sc_nvaps;	/* # vaps */
555 	int			sc_nstavaps;	/* # station vaps */
556 	int			sc_nmeshvaps;	/* # mbss vaps */
557 	u_int8_t		sc_hwbssidmask[IEEE80211_ADDR_LEN];
558 	u_int8_t		sc_nbssid0;	/* # vap's using base mac */
559 	uint32_t		sc_bssidmask;	/* bssid mask */
560 
561 	struct ath_rx_methods	sc_rx;
562 	struct ath_rx_edma	sc_rxedma[HAL_NUM_RX_QUEUES];	/* HP/LP queues */
563 	ath_bufhead		sc_rx_rxlist[HAL_NUM_RX_QUEUES];	/* deferred RX completion */
564 	struct ath_tx_methods	sc_tx;
565 	struct ath_tx_edma_fifo	sc_txedma[HAL_NUM_TX_QUEUES];
566 	enum { ATH_RXFIFO_RESET, ATH_RXFIFO_OK } sc_rxfifo_state;
567 
568 	/*
569 	 * This is (currently) protected by the TX queue lock;
570 	 * it should migrate to a separate lock later
571 	 * so as to minimise contention.
572 	 */
573 	ath_bufhead		sc_txbuf_list;
574 
575 	int			sc_rx_statuslen;
576 	int			sc_tx_desclen;
577 	int			sc_tx_statuslen;
578 	int			sc_tx_nmaps;	/* Number of TX maps */
579 	int			sc_edma_bufsize;
580 
581 	void 			(*sc_node_cleanup)(struct ieee80211_node *);
582 	void 			(*sc_node_free)(struct ieee80211_node *);
583 	device_t		sc_dev;
584 	HAL_BUS_TAG		sc_st;		/* bus space tag */
585 	HAL_BUS_HANDLE		sc_sh;		/* bus space handle */
586 	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
587 #if 0
588 	struct mtx		sc_mtx;		/* master lock (recursive) */
589 	struct mtx		sc_pcu_mtx;	/* PCU access mutex */
590 	char			sc_pcu_mtx_name[32];
591 	struct mtx		sc_rx_mtx;	/* RX access mutex */
592 	char			sc_rx_mtx_name[32];
593 	struct mtx		sc_tx_mtx;	/* TX handling/comp mutex */
594 	char			sc_tx_mtx_name[32];
595 	struct mtx		sc_tx_ic_mtx;	/* TX queue mutex */
596 	char			sc_tx_ic_mtx_name[32];
597 #endif
598 	struct taskqueue	*sc_tq;		/* private task queue */
599 	struct ath_hal		*sc_ah;		/* Atheros HAL */
600 	struct ath_ratectrl	*sc_rc;		/* tx rate control support */
601 	struct ath_tx99		*sc_tx99;	/* tx99 adjunct state */
602 	void			(*sc_setdefantenna)(struct ath_softc *, u_int);
603 
604 	/*
605 	 * First set of flags.
606 	 */
607 	uint32_t		sc_invalid  : 1,/* disable hardware accesses */
608 				sc_mrretry  : 1,/* multi-rate retry support */
609 				sc_mrrprot  : 1,/* MRR + protection support */
610 				sc_softled  : 1,/* enable LED gpio status */
611 				sc_hardled  : 1,/* enable MAC LED status */
612 				sc_splitmic : 1,/* split TKIP MIC keys */
613 				sc_needmib  : 1,/* enable MIB stats intr */
614 				sc_diversity: 1,/* enable rx diversity */
615 				sc_hasveol  : 1,/* tx VEOL support */
616 				sc_ledstate : 1,/* LED on/off state */
617 				sc_blinking : 1,/* LED blink operation active */
618 				sc_mcastkey : 1,/* mcast key cache search */
619 				sc_scanning : 1,/* scanning active */
620 				sc_syncbeacon:1,/* sync/resync beacon timers */
621 				sc_hasclrkey: 1,/* CLR key supported */
622 				sc_xchanmode: 1,/* extended channel mode */
623 				sc_outdoor  : 1,/* outdoor operation */
624 				sc_dturbo   : 1,/* dynamic turbo in use */
625 				sc_hasbmask : 1,/* bssid mask support */
626 				sc_hasbmatch: 1,/* bssid match disable support*/
627 				sc_hastsfadd: 1,/* tsf adjust support */
628 				sc_beacons  : 1,/* beacons running */
629 				sc_swbmiss  : 1,/* sta mode using sw bmiss */
630 				sc_stagbeacons:1,/* use staggered beacons */
631 				sc_wmetkipmic:1,/* can do WME+TKIP MIC */
632 				sc_resume_up: 1,/* on resume, start all vaps */
633 				sc_tdma	    : 1,/* TDMA in use */
634 				sc_setcca   : 1,/* set/clr CCA with TDMA */
635 				sc_resetcal : 1,/* reset cal state next trip */
636 				sc_rxslink  : 1,/* do self-linked final descriptor */
637 				sc_rxtsf32  : 1,/* RX dec TSF is 32 bits */
638 				sc_isedma   : 1,/* supports EDMA */
639 				sc_do_mybeacon : 1; /* supports mybeacon */
640 
641 	/*
642 	 * Second set of flags.
643 	 */
644 	u_int32_t		sc_use_ent  : 1,
645 				sc_rx_stbc  : 1,
646 				sc_tx_stbc  : 1,
647 				sc_hasenforcetxop : 1, /* support enforce TxOP */
648 				sc_hasdivcomb : 1,     /* RX diversity combining */
649 				sc_rx_lnamixer : 1;    /* RX using LNA mixing */
650 
651 	int			sc_cabq_enable;	/* Enable cabq transmission */
652 
653 	/*
654 	 * Enterprise mode configuration for AR9380 and later chipsets.
655 	 */
656 	uint32_t		sc_ent_cfg;
657 
658 	uint32_t		sc_eerd;	/* regdomain from EEPROM */
659 	uint32_t		sc_eecc;	/* country code from EEPROM */
660 						/* rate tables */
661 	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
662 	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
663 	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
664 	HAL_OPMODE		sc_opmode;	/* current operating mode */
665 	u_int16_t		sc_curtxpow;	/* current tx power limit */
666 	u_int16_t		sc_curaid;	/* current association id */
667 	struct ieee80211_channel *sc_curchan;	/* current installed channel */
668 	u_int8_t		sc_curbssid[IEEE80211_ADDR_LEN];
669 	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
670 	struct {
671 		u_int8_t	ieeerate;	/* IEEE rate */
672 		u_int8_t	rxflags;	/* radiotap rx flags */
673 		u_int8_t	txflags;	/* radiotap tx flags */
674 		u_int16_t	ledon;		/* softled on time */
675 		u_int16_t	ledoff;		/* softled off time */
676 	} sc_hwmap[32];				/* h/w rate ix mappings */
677 	u_int8_t		sc_protrix;	/* protection rate index */
678 	u_int8_t		sc_lastdatarix;	/* last data frame rate index */
679 	u_int			sc_mcastrate;	/* ieee rate for mcastrateix */
680 	u_int			sc_fftxqmin;	/* min frames before staging */
681 	u_int			sc_fftxqmax;	/* max frames before drop */
682 	u_int			sc_txantenna;	/* tx antenna (fixed or auto) */
683 
684 	HAL_INT			sc_imask;	/* interrupt mask copy */
685 
686 	/*
687 	 * These are modified in the interrupt handler as well as
688 	 * the task queues and other contexts. Thus these must be
689 	 * protected by a mutex, or they could clash.
690 	 *
691 	 * For now, access to these is behind the ATH_LOCK,
692 	 * just to save time.
693 	 */
694 	uint32_t		sc_txq_active;	/* bitmap of active TXQs */
695 	uint32_t		sc_kickpcu;	/* whether to kick the PCU */
696 	uint32_t		sc_rxproc_cnt;	/* In RX processing */
697 	uint32_t		sc_txproc_cnt;	/* In TX processing */
698 	uint32_t		sc_txstart_cnt;	/* In TX output (raw/start) */
699 	uint32_t		sc_inreset_cnt;	/* In active reset/chanchange */
700 	uint32_t		sc_txrx_cnt;	/* refcount on stop/start'ing TX */
701 	uint32_t		sc_intr_cnt;	/* refcount on interrupt handling */
702 
703 	u_int			sc_keymax;	/* size of key cache */
704 	u_int8_t		sc_keymap[ATH_KEYBYTES];/* key use bit map */
705 
706 	/*
707 	 * Software based LED blinking
708 	 */
709 	u_int			sc_ledpin;	/* GPIO pin for driving LED */
710 	u_int			sc_ledon;	/* pin setting for LED on */
711 	u_int			sc_ledidle;	/* idle polling interval */
712 	int			sc_ledevent;	/* time of last LED event */
713 	u_int8_t		sc_txrix;	/* current tx rate for LED */
714 	u_int16_t		sc_ledoff;	/* off time for current blink */
715 	struct callout		sc_ledtimer;	/* led off timer */
716 
717 	/*
718 	 * Hardware based LED blinking
719 	 */
720 	int			sc_led_pwr_pin;	/* MAC power LED GPIO pin */
721 	int			sc_led_net_pin;	/* MAC network LED GPIO pin */
722 
723 	u_int			sc_rfsilentpin;	/* GPIO pin for rfkill int */
724 	u_int			sc_rfsilentpol;	/* pin setting for rfkill on */
725 
726 	struct ath_descdma	sc_rxdma;	/* RX descriptors */
727 	ath_bufhead		sc_rxbuf;	/* receive buffer */
728 	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
729 	struct task		sc_rxtask;	/* rx int processing */
730 	u_int8_t		sc_defant;	/* current default antenna */
731 	u_int8_t		sc_rxotherant;	/* rx's on non-default antenna*/
732 	u_int64_t		sc_lastrx;	/* tsf at last rx'd frame */
733 	struct ath_rx_status	*sc_lastrs;	/* h/w status of last rx */
734 	struct ath_rx_radiotap_header sc_rx_th;
735 	int			sc_rx_th_len;
736 	u_int			sc_monpass;	/* frames to pass in mon.mode */
737 
738 	struct ath_descdma	sc_txdma;	/* TX descriptors */
739 	uint16_t		sc_txbuf_descid;
740 	ath_bufhead		sc_txbuf;	/* transmit buffer */
741 	int			sc_txbuf_cnt;	/* how many buffers avail */
742 	struct ath_descdma	sc_txdma_mgmt;	/* mgmt TX descriptors */
743 	ath_bufhead		sc_txbuf_mgmt;	/* mgmt transmit buffer */
744 	struct ath_descdma	sc_txsdma;	/* EDMA TX status desc's */
745 #if 0
746 	struct mtx		sc_txbuflock;	/* txbuf lock */
747 	char			sc_txname[12];	/* e.g. "ath0_buf" */
748 #endif
749 	u_int			sc_txqsetup;	/* h/w queues setup */
750 	u_int			sc_txintrperiod;/* tx interrupt batching */
751 	struct ath_txq		sc_txq[HAL_NUM_TX_QUEUES];
752 	struct ath_txq		*sc_ac2q[5];	/* WME AC -> h/w q map */
753 	struct task		sc_txtask;	/* tx int processing */
754 	struct task		sc_txqtask;	/* tx proc processing */
755 
756 	struct ath_descdma	sc_txcompdma;	/* TX EDMA completion */
757 #if 0
758 	struct mtx		sc_txcomplock;	/* TX EDMA completion lock */
759 	char			sc_txcompname[12];	/* eg ath0_txcomp */
760 #endif
761 
762 	int			sc_wd_timer;	/* count down for wd timer */
763 	struct callout		sc_wd_ch;	/* tx watchdog timer */
764 	struct ath_tx_radiotap_header sc_tx_th;
765 	int			sc_tx_th_len;
766 
767 	struct ath_descdma	sc_bdma;	/* beacon descriptors */
768 	ath_bufhead		sc_bbuf;	/* beacon buffers */
769 	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
770 	u_int			sc_bmisscount;	/* missed beacon transmits */
771 	u_int32_t		sc_ant_tx[8];	/* recent tx frames/antenna */
772 	struct ath_txq		*sc_cabq;	/* tx q for cab frames */
773 	struct task		sc_bmisstask;	/* bmiss int processing */
774 	struct task		sc_bstucktask;	/* stuck beacon processing */
775 	struct task		sc_resettask;	/* interface reset task */
776 	struct task		sc_fataltask;	/* fatal task */
777 	enum {
778 		OK,				/* no change needed */
779 		UPDATE,				/* update pending */
780 		COMMIT				/* beacon sent, commit change */
781 	} sc_updateslot;			/* slot time update fsm */
782 	int			sc_slotupdate;	/* slot to advance fsm */
783 	struct ieee80211vap	*sc_bslot[ATH_BCBUF];
784 	int			sc_nbcnvaps;	/* # vaps with beacons */
785 
786 	struct callout		sc_cal_ch;	/* callout handle for cals */
787 	int			sc_lastlongcal;	/* last long cal completed */
788 	int			sc_lastcalreset;/* last cal reset done */
789 	int			sc_lastani;	/* last ANI poll */
790 	int			sc_lastshortcal;	/* last short calibration */
791 	HAL_BOOL		sc_doresetcal;	/* Yes, we're doing a reset cal atm */
792 	HAL_NODE_STATS		sc_halstats;	/* station-mode rssi stats */
793 	u_int			sc_tdmadbaprep;	/* TDMA DBA prep time */
794 	u_int			sc_tdmaswbaprep;/* TDMA SWBA prep time */
795 	u_int			sc_tdmaswba;	/* TDMA SWBA counter */
796 	u_int32_t		sc_tdmabintval;	/* TDMA beacon interval (TU) */
797 	u_int32_t		sc_tdmaguard;	/* TDMA guard time (usec) */
798 	u_int			sc_tdmaslotlen;	/* TDMA slot length (usec) */
799 	u_int32_t		sc_avgtsfdeltap;/* TDMA slot adjust (+) */
800 	u_int32_t		sc_avgtsfdeltam;/* TDMA slot adjust (-) */
801 	uint16_t		*sc_eepromdata;	/* Local eeprom data, if AR9100 */
802 	uint32_t		sc_txchainmask;	/* hardware TX chainmask */
803 	uint32_t		sc_rxchainmask;	/* hardware RX chainmask */
804 	uint32_t		sc_cur_txchainmask;	/* currently configured TX chainmask */
805 	uint32_t		sc_cur_rxchainmask;	/* currently configured RX chainmask */
806 	uint32_t		sc_rts_aggr_limit;	/* TX limit on RTS aggregates */
807 	int			sc_aggr_limit;	/* TX limit on all aggregates */
808 	int			sc_delim_min_pad;	/* Minimum delimiter count */
809 
810 	/* Queue limits */
811 
812 	/*
813 	 * To avoid queue starvation in congested conditions,
814 	 * these parameters tune the maximum number of frames
815 	 * queued to the data/mcastq before they're dropped.
816 	 *
817 	 * This is to prevent:
818 	 * + a single destination overwhelming everything, including
819 	 *   management/multicast frames;
820 	 * + multicast frames overwhelming everything (when the
821 	 *   air is sufficiently busy that cabq can't drain.)
822 	 * + A node in powersave shouldn't be allowed to exhaust
823 	 *   all available mbufs;
824 	 *
825 	 * These implement:
826 	 * + data_minfree is the maximum number of free buffers
827 	 *   overall to successfully allow a data frame.
828 	 *
829 	 * + mcastq_maxdepth is the maximum depth allowed of the cabq.
830 	 */
831 	int			sc_txq_node_maxdepth;
832 	int			sc_txq_data_minfree;
833 	int			sc_txq_mcastq_maxdepth;
834 	int			sc_txq_node_psq_maxdepth;
835 
836 	/*
837 	 * Software queue twiddles
838 	 *
839 	 * hwq_limit_nonaggr:
840 	 *		when to begin limiting non-aggregate frames to the
841 	 *		hardware queue, regardless of the TID.
842 	 * hwq_limit_aggr:
843 	 *		when to begin limiting A-MPDU frames to the
844 	 *		hardware queue, regardless of the TID.
845 	 * tid_hwq_lo:	how low the per-TID hwq count has to be before the
846 	 *		TID will be scheduled again
847 	 * tid_hwq_hi:	how many frames to queue to the HWQ before the TID
848 	 *		stops being scheduled.
849 	 */
850 	int			sc_hwq_limit_nonaggr;
851 	int			sc_hwq_limit_aggr;
852 	int			sc_tid_hwq_lo;
853 	int			sc_tid_hwq_hi;
854 
855 	/* DFS related state */
856 	void			*sc_dfs;	/* Used by an optional DFS module */
857 	int			sc_dodfs;	/* Whether to enable DFS rx filter bits */
858 	struct task		sc_dfstask;	/* DFS processing task */
859 
860 	/* Spectral related state */
861 	void			*sc_spectral;
862 	int			sc_dospectral;
863 
864 	/* LNA diversity related state */
865 	void			*sc_lna_div;
866 	int			sc_dolnadiv;
867 
868 	/* ALQ */
869 #ifdef	ATH_DEBUG_ALQ
870 	struct if_ath_alq sc_alq;
871 #endif
872 
873 	/* TX AMPDU handling */
874 	int			(*sc_addba_request)(struct ieee80211_node *,
875 				    struct ieee80211_tx_ampdu *, int, int, int);
876 	int			(*sc_addba_response)(struct ieee80211_node *,
877 				    struct ieee80211_tx_ampdu *, int, int, int);
878 	void			(*sc_addba_stop)(struct ieee80211_node *,
879 				    struct ieee80211_tx_ampdu *);
880 	void			(*sc_addba_response_timeout)
881 				    (struct ieee80211_node *,
882 				    struct ieee80211_tx_ampdu *);
883 	void			(*sc_bar_response)(struct ieee80211_node *ni,
884 				    struct ieee80211_tx_ampdu *tap,
885 				    int status);
886 
887 	/*
888 	 * Powersave state tracking.
889 	 *
890 	 * target/cur powerstate is the chip power state.
891 	 * target selfgen state is the self-generated frames
892 	 *   state.  The chip can be awake but transmitted frames
893 	 *   can have the PWRMGT bit set to 1 so the destination
894 	 *   thinks the node is asleep.
895 	 */
896 	HAL_POWER_MODE		sc_target_powerstate;
897 	HAL_POWER_MODE		sc_target_selfgen_state;
898 
899 	HAL_POWER_MODE		sc_cur_powerstate;
900 
901 	int			sc_powersave_refcnt;
902 };
903 
904 #define	ATH_LOCK_INIT(_sc)
905 #define	ATH_LOCK_DESTROY(_sc)
906 #define	ATH_LOCK(_sc)
907 #define	ATH_UNLOCK(_sc)
908 #define	ATH_LOCK_ASSERT(_sc)
909 #define	ATH_UNLOCK_ASSERT(_sc)
910 
911 /*
912  * The TX lock is non-reentrant and serialises the TX frame send
913  * and completion operations.
914  */
915 #define	ATH_TX_LOCK_INIT(_sc)
916 #define	ATH_TX_LOCK_DESTROY(_sc)
917 #define	ATH_TX_LOCK(_sc)
918 #define	ATH_TX_UNLOCK(_sc)
919 #define	ATH_TX_LOCK_ASSERT(_sc)
920 #define	ATH_TX_UNLOCK_ASSERT(_sc)
921 /* #define ATH_TX_TRYLOCK(_sc) removed */
922 
923 /*
924  * The IC TX lock is non-reentrant and serialises packet queuing from
925  * the upper layers.
926  */
927 #define	ATH_TX_IC_LOCK_INIT(_sc)
928 #define	ATH_TX_IC_LOCK_DESTROY(_sc)
929 #define	ATH_TX_IC_LOCK(_sc)
930 #define	ATH_TX_IC_UNLOCK(_sc)
931 #define	ATH_TX_IC_LOCK_ASSERT(_sc)
932 #define	ATH_TX_IC_UNLOCK_ASSERT(_sc)
933 
934 /*
935  * The PCU lock is non-recursive and should be treated as a spinlock.
936  * Although currently the interrupt code is run in netisr context and
937  * doesn't require this, this may change in the future.
938  * Please keep this in mind when protecting certain code paths
939  * with the PCU lock.
940  *
941  * The PCU lock is used to serialise access to the PCU so things such
942  * as TX, RX, state change (eg channel change), channel reset and updates
943  * from interrupt context (eg kickpcu, txqactive bits) do not clash.
944  *
945  * Although the current single-thread taskqueue mechanism protects the
946  * majority of these situations by simply serialising them, there are
947  * a few others which occur at the same time. These include the TX path
948  * (which only acquires ATH_LOCK when recycling buffers to the free list),
949  * ath_set_channel, the channel scanning API and perhaps quite a bit more.
950  */
951 #define	ATH_PCU_LOCK_INIT(_sc)
952 #define	ATH_PCU_LOCK_DESTROY(_sc)
953 #define	ATH_PCU_LOCK(_sc)
954 #define	ATH_PCU_UNLOCK(_sc)
955 #define	ATH_PCU_LOCK_ASSERT(_sc)
956 #define	ATH_PCU_UNLOCK_ASSERT(_sc)
957 
958 /*
959  * The RX lock is primarily a(nother) workaround to ensure that the
960  * RX FIFO/list isn't modified by various execution paths.
961  * Even though RX occurs in a single context (the ath taskqueue), the
962  * RX path can be executed via various reset/channel change paths.
963  */
964 #define	ATH_RX_LOCK_INIT(_sc)
965 #define	ATH_RX_LOCK_DESTROY(_sc)
966 #define	ATH_RX_LOCK(_sc)
967 #define	ATH_RX_UNLOCK(_sc)
968 #define	ATH_RX_LOCK_ASSERT(_sc)
969 #define	ATH_RX_UNLOCK_ASSERT(_sc)
970 
971 #define	ATH_TXQ_SETUP(sc, i)	((sc)->sc_txqsetup & (1<<i))
972 
973 #define	ATH_TXBUF_LOCK_INIT(_sc)
974 #define	ATH_TXBUF_LOCK_DESTROY(_sc)
975 #define	ATH_TXBUF_LOCK(_sc)
976 #define	ATH_TXBUF_UNLOCK(_sc)
977 #define	ATH_TXBUF_LOCK_ASSERT(_sc)
978 #define	ATH_TXBUF_UNLOCK_ASSERT(_sc)
979 
980 #define	ATH_TXSTATUS_LOCK_INIT(_sc)
981 #define	ATH_TXSTATUS_LOCK_DESTROY(_sc)
982 #define	ATH_TXSTATUS_LOCK(_sc)
983 #define	ATH_TXSTATUS_UNLOCK(_sc)
984 #define	ATH_TXSTATUS_LOCK_ASSERT(_sc)
985 
986 int	ath_attach(u_int16_t, struct ath_softc *);
987 int	ath_detach(struct ath_softc *);
988 void	ath_resume(struct ath_softc *);
989 void	ath_suspend(struct ath_softc *);
990 void	ath_shutdown(struct ath_softc *);
991 void	ath_intr(void *);
992 
993 /*
994  * HAL definitions to comply with local coding convention.
995  */
996 #define	ath_hal_detach(_ah) \
997 	((*(_ah)->ah_detach)((_ah)))
998 #define	ath_hal_reset(_ah, _opmode, _chan, _outdoor, _pstatus) \
999 	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
1000 #define	ath_hal_macversion(_ah) \
1001 	(((_ah)->ah_macVersion << 4) | ((_ah)->ah_macRev))
1002 #define	ath_hal_getratetable(_ah, _mode) \
1003 	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
1004 #define	ath_hal_getmac(_ah, _mac) \
1005 	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
1006 #define	ath_hal_setmac(_ah, _mac) \
1007 	((*(_ah)->ah_setMacAddress)((_ah), (_mac)))
1008 #define	ath_hal_getbssidmask(_ah, _mask) \
1009 	((*(_ah)->ah_getBssIdMask)((_ah), (_mask)))
1010 #define	ath_hal_setbssidmask(_ah, _mask) \
1011 	((*(_ah)->ah_setBssIdMask)((_ah), (_mask)))
1012 #define	ath_hal_intrset(_ah, _mask) \
1013 	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
1014 #define	ath_hal_intrget(_ah) \
1015 	((*(_ah)->ah_getInterrupts)((_ah)))
1016 #define	ath_hal_intrpend(_ah) \
1017 	((*(_ah)->ah_isInterruptPending)((_ah)))
1018 #define	ath_hal_getisr(_ah, _pmask) \
1019 	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
1020 #define	ath_hal_updatetxtriglevel(_ah, _inc) \
1021 	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
1022 #define	ath_hal_setpower(_ah, _mode) \
1023 	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE))
1024 #define	ath_hal_setselfgenpower(_ah, _mode) \
1025 	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_FALSE))
1026 #define	ath_hal_keycachesize(_ah) \
1027 	((*(_ah)->ah_getKeyCacheSize)((_ah)))
1028 #define	ath_hal_keyreset(_ah, _ix) \
1029 	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
1030 #define	ath_hal_keyset(_ah, _ix, _pk, _mac) \
1031 	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), (_mac), AH_FALSE))
1032 #define	ath_hal_keyisvalid(_ah, _ix) \
1033 	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
1034 #define	ath_hal_keysetmac(_ah, _ix, _mac) \
1035 	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
1036 #define	ath_hal_getrxfilter(_ah) \
1037 	((*(_ah)->ah_getRxFilter)((_ah)))
1038 #define	ath_hal_setrxfilter(_ah, _filter) \
1039 	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
1040 #define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
1041 	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
1042 #define	ath_hal_waitforbeacon(_ah, _bf) \
1043 	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
1044 #define	ath_hal_putrxbuf(_ah, _bufaddr, _rxq) \
1045 	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr), (_rxq)))
1046 /* NB: common across all chips */
1047 #define	AR_TSF_L32	0x804c	/* MAC local clock lower 32 bits */
1048 #define	ath_hal_gettsf32(_ah) \
1049 	OS_REG_READ(_ah, AR_TSF_L32)
1050 #define	ath_hal_gettsf64(_ah) \
1051 	((*(_ah)->ah_getTsf64)((_ah)))
1052 #define	ath_hal_settsf64(_ah, _val) \
1053 	((*(_ah)->ah_setTsf64)((_ah), (_val)))
1054 #define	ath_hal_resettsf(_ah) \
1055 	((*(_ah)->ah_resetTsf)((_ah)))
1056 #define	ath_hal_rxena(_ah) \
1057 	((*(_ah)->ah_enableReceive)((_ah)))
1058 #define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
1059 	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
1060 #define	ath_hal_gettxbuf(_ah, _q) \
1061 	((*(_ah)->ah_getTxDP)((_ah), (_q)))
1062 #define	ath_hal_numtxpending(_ah, _q) \
1063 	((*(_ah)->ah_numTxPending)((_ah), (_q)))
1064 #define	ath_hal_getrxbuf(_ah, _rxq) \
1065 	((*(_ah)->ah_getRxDP)((_ah), (_rxq)))
1066 #define	ath_hal_txstart(_ah, _q) \
1067 	((*(_ah)->ah_startTxDma)((_ah), (_q)))
1068 #define	ath_hal_setchannel(_ah, _chan) \
1069 	((*(_ah)->ah_setChannel)((_ah), (_chan)))
1070 #define	ath_hal_calibrate(_ah, _chan, _iqcal) \
1071 	((*(_ah)->ah_perCalibration)((_ah), (_chan), (_iqcal)))
1072 #define	ath_hal_calibrateN(_ah, _chan, _lcal, _isdone) \
1073 	((*(_ah)->ah_perCalibrationN)((_ah), (_chan), 0x1, (_lcal), (_isdone)))
1074 #define	ath_hal_calreset(_ah, _chan) \
1075 	((*(_ah)->ah_resetCalValid)((_ah), (_chan)))
1076 #define	ath_hal_setledstate(_ah, _state) \
1077 	((*(_ah)->ah_setLedState)((_ah), (_state)))
1078 #define	ath_hal_beaconinit(_ah, _nextb, _bperiod) \
1079 	((*(_ah)->ah_beaconInit)((_ah), (_nextb), (_bperiod)))
1080 #define	ath_hal_beaconreset(_ah) \
1081 	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
1082 #define	ath_hal_beaconsettimers(_ah, _bt) \
1083 	((*(_ah)->ah_setBeaconTimers)((_ah), (_bt)))
1084 #define	ath_hal_beacontimers(_ah, _bs) \
1085 	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs)))
1086 #define	ath_hal_getnexttbtt(_ah) \
1087 	((*(_ah)->ah_getNextTBTT)((_ah)))
1088 #define	ath_hal_setassocid(_ah, _bss, _associd) \
1089 	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd)))
1090 #define	ath_hal_phydisable(_ah) \
1091 	((*(_ah)->ah_phyDisable)((_ah)))
1092 #define	ath_hal_setopmode(_ah) \
1093 	((*(_ah)->ah_setPCUConfig)((_ah)))
1094 #define	ath_hal_stoptxdma(_ah, _qnum) \
1095 	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
1096 #define	ath_hal_stoppcurecv(_ah) \
1097 	((*(_ah)->ah_stopPcuReceive)((_ah)))
1098 #define	ath_hal_startpcurecv(_ah) \
1099 	((*(_ah)->ah_startPcuReceive)((_ah)))
1100 #define	ath_hal_stopdmarecv(_ah) \
1101 	((*(_ah)->ah_stopDmaReceive)((_ah)))
1102 #define	ath_hal_getdiagstate(_ah, _id, _indata, _insize, _outdata, _outsize) \
1103 	((*(_ah)->ah_getDiagState)((_ah), (_id), \
1104 		(_indata), (_insize), (_outdata), (_outsize)))
1105 #define	ath_hal_getfatalstate(_ah, _outdata, _outsize) \
1106 	ath_hal_getdiagstate(_ah, 29, NULL, 0, (_outdata), _outsize)
1107 #define	ath_hal_setuptxqueue(_ah, _type, _irq) \
1108 	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
1109 #define	ath_hal_resettxqueue(_ah, _q) \
1110 	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
1111 #define	ath_hal_releasetxqueue(_ah, _q) \
1112 	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
1113 #define	ath_hal_gettxqueueprops(_ah, _q, _qi) \
1114 	((*(_ah)->ah_getTxQueueProps)((_ah), (_q), (_qi)))
1115 #define	ath_hal_settxqueueprops(_ah, _q, _qi) \
1116 	((*(_ah)->ah_setTxQueueProps)((_ah), (_q), (_qi)))
1117 /* NB: common across all chips */
1118 #define	AR_Q_TXE	0x0840	/* MAC Transmit Queue enable */
1119 #define	ath_hal_txqenabled(_ah, _qnum) \
1120 	(OS_REG_READ(_ah, AR_Q_TXE) & (1<<(_qnum)))
1121 #define	ath_hal_getrfgain(_ah) \
1122 	((*(_ah)->ah_getRfGain)((_ah)))
1123 #define	ath_hal_getdefantenna(_ah) \
1124 	((*(_ah)->ah_getDefAntenna)((_ah)))
1125 #define	ath_hal_setdefantenna(_ah, _ant) \
1126 	((*(_ah)->ah_setDefAntenna)((_ah), (_ant)))
1127 #define	ath_hal_rxmonitor(_ah, _arg, _chan) \
1128 	((*(_ah)->ah_rxMonitor)((_ah), (_arg), (_chan)))
1129 #define	ath_hal_ani_poll(_ah, _chan) \
1130 	((*(_ah)->ah_aniPoll)((_ah), (_chan)))
1131 #define	ath_hal_mibevent(_ah, _stats) \
1132 	((*(_ah)->ah_procMibEvent)((_ah), (_stats)))
1133 #define	ath_hal_setslottime(_ah, _us) \
1134 	((*(_ah)->ah_setSlotTime)((_ah), (_us)))
1135 #define	ath_hal_getslottime(_ah) \
1136 	((*(_ah)->ah_getSlotTime)((_ah)))
1137 #define	ath_hal_setacktimeout(_ah, _us) \
1138 	((*(_ah)->ah_setAckTimeout)((_ah), (_us)))
1139 #define	ath_hal_getacktimeout(_ah) \
1140 	((*(_ah)->ah_getAckTimeout)((_ah)))
1141 #define	ath_hal_setctstimeout(_ah, _us) \
1142 	((*(_ah)->ah_setCTSTimeout)((_ah), (_us)))
1143 #define	ath_hal_getctstimeout(_ah) \
1144 	((*(_ah)->ah_getCTSTimeout)((_ah)))
1145 #define	ath_hal_getcapability(_ah, _cap, _param, _result) \
1146 	((*(_ah)->ah_getCapability)((_ah), (_cap), (_param), (_result)))
1147 #define	ath_hal_setcapability(_ah, _cap, _param, _v, _status) \
1148 	((*(_ah)->ah_setCapability)((_ah), (_cap), (_param), (_v), (_status)))
1149 #define	ath_hal_ciphersupported(_ah, _cipher) \
1150 	(ath_hal_getcapability(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)
1151 #define	ath_hal_getregdomain(_ah, _prd) \
1152 	(ath_hal_getcapability(_ah, HAL_CAP_REG_DMN, 0, (_prd)) == HAL_OK)
1153 #define	ath_hal_setregdomain(_ah, _rd) \
1154 	ath_hal_setcapability(_ah, HAL_CAP_REG_DMN, 0, _rd, NULL)
1155 #define	ath_hal_getcountrycode(_ah, _pcc) \
1156 	(*(_pcc) = (_ah)->ah_countryCode)
1157 #define	ath_hal_gettkipmic(_ah) \
1158 	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_MIC, 1, NULL) == HAL_OK)
1159 #define	ath_hal_settkipmic(_ah, _v) \
1160 	ath_hal_setcapability(_ah, HAL_CAP_TKIP_MIC, 1, _v, NULL)
1161 #define	ath_hal_hastkipsplit(_ah) \
1162 	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 0, NULL) == HAL_OK)
1163 #define	ath_hal_gettkipsplit(_ah) \
1164 	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, NULL) == HAL_OK)
1165 #define	ath_hal_settkipsplit(_ah, _v) \
1166 	ath_hal_setcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, _v, NULL)
1167 #define	ath_hal_haswmetkipmic(_ah) \
1168 	(ath_hal_getcapability(_ah, HAL_CAP_WME_TKIPMIC, 0, NULL) == HAL_OK)
1169 #define	ath_hal_hwphycounters(_ah) \
1170 	(ath_hal_getcapability(_ah, HAL_CAP_PHYCOUNTERS, 0, NULL) == HAL_OK)
1171 #define	ath_hal_hasdiversity(_ah) \
1172 	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 0, NULL) == HAL_OK)
1173 #define	ath_hal_getdiversity(_ah) \
1174 	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK)
1175 #define	ath_hal_setdiversity(_ah, _v) \
1176 	ath_hal_setcapability(_ah, HAL_CAP_DIVERSITY, 1, _v, NULL)
1177 #define	ath_hal_getantennaswitch(_ah) \
1178 	((*(_ah)->ah_getAntennaSwitch)((_ah)))
1179 #define	ath_hal_setantennaswitch(_ah, _v) \
1180 	((*(_ah)->ah_setAntennaSwitch)((_ah), (_v)))
1181 #define	ath_hal_getdiag(_ah, _pv) \
1182 	(ath_hal_getcapability(_ah, HAL_CAP_DIAG, 0, _pv) == HAL_OK)
1183 #define	ath_hal_setdiag(_ah, _v) \
1184 	ath_hal_setcapability(_ah, HAL_CAP_DIAG, 0, _v, NULL)
1185 #define	ath_hal_getnumtxqueues(_ah, _pv) \
1186 	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXQUEUES, 0, _pv) == HAL_OK)
1187 #define	ath_hal_hasveol(_ah) \
1188 	(ath_hal_getcapability(_ah, HAL_CAP_VEOL, 0, NULL) == HAL_OK)
1189 #define	ath_hal_hastxpowlimit(_ah) \
1190 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 0, NULL) == HAL_OK)
1191 #define	ath_hal_settxpowlimit(_ah, _pow) \
1192 	((*(_ah)->ah_setTxPowerLimit)((_ah), (_pow)))
1193 #define	ath_hal_gettxpowlimit(_ah, _ppow) \
1194 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 1, _ppow) == HAL_OK)
1195 #define	ath_hal_getmaxtxpow(_ah, _ppow) \
1196 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 2, _ppow) == HAL_OK)
1197 #define	ath_hal_gettpscale(_ah, _scale) \
1198 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 3, _scale) == HAL_OK)
1199 #define	ath_hal_settpscale(_ah, _v) \
1200 	ath_hal_setcapability(_ah, HAL_CAP_TXPOW, 3, _v, NULL)
1201 #define	ath_hal_hastpc(_ah) \
1202 	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 0, NULL) == HAL_OK)
1203 #define	ath_hal_gettpc(_ah) \
1204 	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 1, NULL) == HAL_OK)
1205 #define	ath_hal_settpc(_ah, _v) \
1206 	ath_hal_setcapability(_ah, HAL_CAP_TPC, 1, _v, NULL)
1207 #define	ath_hal_hasbursting(_ah) \
1208 	(ath_hal_getcapability(_ah, HAL_CAP_BURST, 0, NULL) == HAL_OK)
1209 #define	ath_hal_setmcastkeysearch(_ah, _v) \
1210 	ath_hal_setcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, _v, NULL)
1211 #define	ath_hal_hasmcastkeysearch(_ah) \
1212 	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, NULL) == HAL_OK)
1213 #define	ath_hal_getmcastkeysearch(_ah) \
1214 	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 1, NULL) == HAL_OK)
1215 #define	ath_hal_hasfastframes(_ah) \
1216 	(ath_hal_getcapability(_ah, HAL_CAP_FASTFRAME, 0, NULL) == HAL_OK)
1217 #define	ath_hal_hasbssidmask(_ah) \
1218 	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMASK, 0, NULL) == HAL_OK)
1219 #define	ath_hal_hasbssidmatch(_ah) \
1220 	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMATCH, 0, NULL) == HAL_OK)
1221 #define	ath_hal_hastsfadjust(_ah) \
1222 	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 0, NULL) == HAL_OK)
1223 #define	ath_hal_gettsfadjust(_ah) \
1224 	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 1, NULL) == HAL_OK)
1225 #define	ath_hal_settsfadjust(_ah, _onoff) \
1226 	ath_hal_setcapability(_ah, HAL_CAP_TSF_ADJUST, 1, _onoff, NULL)
1227 #define	ath_hal_hasrfsilent(_ah) \
1228 	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 0, NULL) == HAL_OK)
1229 #define	ath_hal_getrfkill(_ah) \
1230 	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, NULL) == HAL_OK)
1231 #define	ath_hal_setrfkill(_ah, _onoff) \
1232 	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _onoff, NULL)
1233 #define	ath_hal_getrfsilent(_ah, _prfsilent) \
1234 	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 2, _prfsilent) == HAL_OK)
1235 #define	ath_hal_setrfsilent(_ah, _rfsilent) \
1236 	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 2, _rfsilent, NULL)
1237 #define	ath_hal_gettpack(_ah, _ptpack) \
1238 	(ath_hal_getcapability(_ah, HAL_CAP_TPC_ACK, 0, _ptpack) == HAL_OK)
1239 #define	ath_hal_settpack(_ah, _tpack) \
1240 	ath_hal_setcapability(_ah, HAL_CAP_TPC_ACK, 0, _tpack, NULL)
1241 #define	ath_hal_gettpcts(_ah, _ptpcts) \
1242 	(ath_hal_getcapability(_ah, HAL_CAP_TPC_CTS, 0, _ptpcts) == HAL_OK)
1243 #define	ath_hal_settpcts(_ah, _tpcts) \
1244 	ath_hal_setcapability(_ah, HAL_CAP_TPC_CTS, 0, _tpcts, NULL)
1245 #define	ath_hal_hasintmit(_ah) \
1246 	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1247 	HAL_CAP_INTMIT_PRESENT, NULL) == HAL_OK)
1248 #define	ath_hal_getintmit(_ah) \
1249 	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1250 	HAL_CAP_INTMIT_ENABLE, NULL) == HAL_OK)
1251 #define	ath_hal_setintmit(_ah, _v) \
1252 	ath_hal_setcapability(_ah, HAL_CAP_INTMIT, \
1253 	HAL_CAP_INTMIT_ENABLE, _v, NULL)
1254 #define	ath_hal_hasmybeacon(_ah) \
1255 	(ath_hal_getcapability(_ah, HAL_CAP_DO_MYBEACON, 1, NULL) == HAL_OK)
1256 
1257 #define	ath_hal_hasenforcetxop(_ah) \
1258 	(ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 0, NULL) == HAL_OK)
1259 #define	ath_hal_getenforcetxop(_ah) \
1260 	(ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, NULL) == HAL_OK)
1261 #define	ath_hal_setenforcetxop(_ah, _v) \
1262 	ath_hal_setcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, _v, NULL)
1263 
1264 #define	ath_hal_hasrxlnamixer(_ah) \
1265 	(ath_hal_getcapability(_ah, HAL_CAP_RX_LNA_MIXING, 0, NULL) == HAL_OK)
1266 
1267 #define	ath_hal_hasdivantcomb(_ah) \
1268 	(ath_hal_getcapability(_ah, HAL_CAP_ANT_DIV_COMB, 0, NULL) == HAL_OK)
1269 
1270 /* EDMA definitions */
1271 #define	ath_hal_hasedma(_ah) \
1272 	(ath_hal_getcapability(_ah, HAL_CAP_ENHANCED_DMA_SUPPORT,	\
1273 	0, NULL) == HAL_OK)
1274 #define	ath_hal_getrxfifodepth(_ah, _qtype, _req) \
1275 	(ath_hal_getcapability(_ah, HAL_CAP_RXFIFODEPTH, _qtype, _req)	\
1276 	== HAL_OK)
1277 #define	ath_hal_getntxmaps(_ah, _req) \
1278 	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXMAPS, 0, _req)	\
1279 	== HAL_OK)
1280 #define	ath_hal_gettxdesclen(_ah, _req) \
1281 	(ath_hal_getcapability(_ah, HAL_CAP_TXDESCLEN, 0, _req)		\
1282 	== HAL_OK)
1283 #define	ath_hal_gettxstatuslen(_ah, _req) \
1284 	(ath_hal_getcapability(_ah, HAL_CAP_TXSTATUSLEN, 0, _req)	\
1285 	== HAL_OK)
1286 #define	ath_hal_getrxstatuslen(_ah, _req) \
1287 	(ath_hal_getcapability(_ah, HAL_CAP_RXSTATUSLEN, 0, _req)	\
1288 	== HAL_OK)
1289 #define	ath_hal_setrxbufsize(_ah, _req) \
1290 	(ath_hal_setcapability(_ah, HAL_CAP_RXBUFSIZE, 0, _req, NULL)	\
1291 	== AH_TRUE)
1292 
1293 #define	ath_hal_getchannoise(_ah, _c) \
1294 	((*(_ah)->ah_getChanNoise)((_ah), (_c)))
1295 
1296 /* 802.11n HAL methods */
1297 #define	ath_hal_getrxchainmask(_ah, _prxchainmask) \
1298 	(ath_hal_getcapability(_ah, HAL_CAP_RX_CHAINMASK, 0, _prxchainmask))
1299 #define	ath_hal_gettxchainmask(_ah, _ptxchainmask) \
1300 	(ath_hal_getcapability(_ah, HAL_CAP_TX_CHAINMASK, 0, _ptxchainmask))
1301 #define	ath_hal_setrxchainmask(_ah, _rx) \
1302 	(ath_hal_setcapability(_ah, HAL_CAP_RX_CHAINMASK, 1, _rx, NULL))
1303 #define	ath_hal_settxchainmask(_ah, _tx) \
1304 	(ath_hal_setcapability(_ah, HAL_CAP_TX_CHAINMASK, 1, _tx, NULL))
1305 #define	ath_hal_split4ktrans(_ah) \
1306 	(ath_hal_getcapability(_ah, HAL_CAP_SPLIT_4KB_TRANS, \
1307 	0, NULL) == HAL_OK)
1308 #define	ath_hal_self_linked_final_rxdesc(_ah) \
1309 	(ath_hal_getcapability(_ah, HAL_CAP_RXDESC_SELFLINK, \
1310 	0, NULL) == HAL_OK)
1311 #define	ath_hal_gtxto_supported(_ah) \
1312 	(ath_hal_getcapability(_ah, HAL_CAP_GTXTO, 0, NULL) == HAL_OK)
1313 #define	ath_hal_has_long_rxdesc_tsf(_ah) \
1314 	(ath_hal_getcapability(_ah, HAL_CAP_LONG_RXDESC_TSF, \
1315 	0, NULL) == HAL_OK)
1316 #define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
1317 	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
1318 #define	ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext, _rs) \
1319 	((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext), 0, (_rs)))
1320 #define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
1321 		_txr0, _txtr0, _keyix, _ant, _flags, \
1322 		_rtsrate, _rtsdura) \
1323 	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
1324 		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
1325 		(_flags), (_rtsrate), (_rtsdura), 0, 0, 0))
1326 #define	ath_hal_setupxtxdesc(_ah, _ds, \
1327 		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
1328 	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), \
1329 		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
1330 #define	ath_hal_filltxdesc(_ah, _ds, _b, _l, _did, _qid, _first, _last, _ds0) \
1331 	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_b), (_l), (_did), (_qid), \
1332 		(_first), (_last), (_ds0)))
1333 #define	ath_hal_txprocdesc(_ah, _ds, _ts) \
1334 	((*(_ah)->ah_procTxDesc)((_ah), (_ds), (_ts)))
1335 #define	ath_hal_gettxintrtxqs(_ah, _txqs) \
1336 	((*(_ah)->ah_getTxIntrQueue)((_ah), (_txqs)))
1337 #define ath_hal_gettxcompletionrates(_ah, _ds, _rates, _tries) \
1338 	((*(_ah)->ah_getTxCompletionRates)((_ah), (_ds), (_rates), (_tries)))
1339 #define ath_hal_settxdesclink(_ah, _ds, _link) \
1340 	((*(_ah)->ah_setTxDescLink)((_ah), (_ds), (_link)))
1341 #define ath_hal_gettxdesclink(_ah, _ds, _link) \
1342 	((*(_ah)->ah_getTxDescLink)((_ah), (_ds), (_link)))
1343 #define ath_hal_gettxdesclinkptr(_ah, _ds, _linkptr) \
1344 	((*(_ah)->ah_getTxDescLinkPtr)((_ah), (_ds), (_linkptr)))
1345 #define	ath_hal_setuptxstatusring(_ah, _tsstart, _tspstart, _size) \
1346 	((*(_ah)->ah_setupTxStatusRing)((_ah), (_tsstart), (_tspstart), \
1347 		(_size)))
1348 #define	ath_hal_gettxrawtxdesc(_ah, _txstatus) \
1349 	((*(_ah)->ah_getTxRawTxDesc)((_ah), (_txstatus)))
1350 
1351 #define	ath_hal_setupfirsttxdesc(_ah, _ds, _aggrlen, _flags, _txpower, \
1352 		_txr0, _txtr0, _antm, _rcr, _rcd) \
1353 	((*(_ah)->ah_setupFirstTxDesc)((_ah), (_ds), (_aggrlen), (_flags), \
1354 	(_txpower), (_txr0), (_txtr0), (_antm), (_rcr), (_rcd)))
1355 #define	ath_hal_chaintxdesc(_ah, _ds, _bl, _sl, _pktlen, _hdrlen, _type, \
1356 	_keyix, _cipher, _delims, _first, _last, _lastaggr) \
1357 	((*(_ah)->ah_chainTxDesc)((_ah), (_ds), (_bl), (_sl), \
1358 	(_pktlen), (_hdrlen), (_type), (_keyix), (_cipher), (_delims), \
1359 	(_first), (_last), (_lastaggr)))
1360 #define	ath_hal_setuplasttxdesc(_ah, _ds, _ds0) \
1361 	((*(_ah)->ah_setupLastTxDesc)((_ah), (_ds), (_ds0)))
1362 
1363 #define	ath_hal_set11nratescenario(_ah, _ds, _dur, _rt, _series, _ns, _flags) \
1364 	((*(_ah)->ah_set11nRateScenario)((_ah), (_ds), (_dur), (_rt), \
1365 	(_series), (_ns), (_flags)))
1366 
1367 #define	ath_hal_set11n_aggr_first(_ah, _ds, _len, _num) \
1368 	((*(_ah)->ah_set11nAggrFirst)((_ah), (_ds), (_len), (_num)))
1369 #define	ath_hal_set11n_aggr_middle(_ah, _ds, _num) \
1370 	((*(_ah)->ah_set11nAggrMiddle)((_ah), (_ds), (_num)))
1371 #define	ath_hal_set11n_aggr_last(_ah, _ds) \
1372 	((*(_ah)->ah_set11nAggrLast)((_ah), (_ds)))
1373 
1374 #define	ath_hal_set11nburstduration(_ah, _ds, _dur) \
1375 	((*(_ah)->ah_set11nBurstDuration)((_ah), (_ds), (_dur)))
1376 #define	ath_hal_clr11n_aggr(_ah, _ds) \
1377 	((*(_ah)->ah_clr11nAggr)((_ah), (_ds)))
1378 #define	ath_hal_set11n_virtmorefrag(_ah, _ds, _v) \
1379 	((*(_ah)->ah_set11nVirtMoreFrag)((_ah), (_ds), (_v)))
1380 
1381 #define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
1382 	((*(_ah)->ah_gpioCfgOutput)((_ah), (_gpio), (_type)))
1383 #define	ath_hal_gpioset(_ah, _gpio, _b) \
1384 	((*(_ah)->ah_gpioSet)((_ah), (_gpio), (_b)))
1385 #define	ath_hal_gpioget(_ah, _gpio) \
1386 	((*(_ah)->ah_gpioGet)((_ah), (_gpio)))
1387 #define	ath_hal_gpiosetintr(_ah, _gpio, _b) \
1388 	((*(_ah)->ah_gpioSetIntr)((_ah), (_gpio), (_b)))
1389 
1390 /*
1391  * PCIe suspend/resume/poweron/poweroff related macros
1392  */
1393 #define	ath_hal_enablepcie(_ah, _restore, _poweroff) \
1394 	((*(_ah)->ah_configPCIE)((_ah), (_restore), (_poweroff)))
1395 #define	ath_hal_disablepcie(_ah) \
1396 	((*(_ah)->ah_disablePCIE)((_ah)))
1397 
1398 /*
1399  * This is badly-named; you need to set the correct parameters
1400  * to begin to receive useful radar events; and even then
1401  * it doesn't "enable" DFS. See the ath_dfs/null/ module for
1402  * more information.
1403  */
1404 #define	ath_hal_enabledfs(_ah, _param) \
1405 	((*(_ah)->ah_enableDfs)((_ah), (_param)))
1406 #define	ath_hal_getdfsthresh(_ah, _param) \
1407 	((*(_ah)->ah_getDfsThresh)((_ah), (_param)))
1408 #define	ath_hal_getdfsdefaultthresh(_ah, _param) \
1409 	((*(_ah)->ah_getDfsDefaultThresh)((_ah), (_param)))
1410 #define	ath_hal_procradarevent(_ah, _rxs, _fulltsf, _buf, _event) \
1411 	((*(_ah)->ah_procRadarEvent)((_ah), (_rxs), (_fulltsf), \
1412 	(_buf), (_event)))
1413 #define	ath_hal_is_fast_clock_enabled(_ah) \
1414 	((*(_ah)->ah_isFastClockEnabled)((_ah)))
1415 #define	ath_hal_radar_wait(_ah, _chan) \
1416 	((*(_ah)->ah_radarWait)((_ah), (_chan)))
1417 #define	ath_hal_get_mib_cycle_counts(_ah, _sample) \
1418 	((*(_ah)->ah_getMibCycleCounts)((_ah), (_sample)))
1419 #define	ath_hal_get_chan_ext_busy(_ah) \
1420 	((*(_ah)->ah_get11nExtBusy)((_ah)))
1421 #define	ath_hal_setchainmasks(_ah, _txchainmask, _rxchainmask) \
1422 	((*(_ah)->ah_setChainMasks)((_ah), (_txchainmask), (_rxchainmask)))
1423 
1424 #define	ath_hal_spectral_supported(_ah) \
1425 	(ath_hal_getcapability(_ah, HAL_CAP_SPECTRAL_SCAN, 0, NULL) == HAL_OK)
1426 #define	ath_hal_spectral_get_config(_ah, _p) \
1427 	((*(_ah)->ah_spectralGetConfig)((_ah), (_p)))
1428 #define	ath_hal_spectral_configure(_ah, _p) \
1429 	((*(_ah)->ah_spectralConfigure)((_ah), (_p)))
1430 #define	ath_hal_spectral_start(_ah) \
1431 	((*(_ah)->ah_spectralStart)((_ah)))
1432 #define	ath_hal_spectral_stop(_ah) \
1433 	((*(_ah)->ah_spectralStop)((_ah)))
1434 
1435 #define	ath_hal_btcoex_supported(_ah) \
1436 	(ath_hal_getcapability(_ah, HAL_CAP_BT_COEX, 0, NULL) == HAL_OK)
1437 #define	ath_hal_btcoex_set_info(_ah, _info) \
1438 	((*(_ah)->ah_btCoexSetInfo)((_ah), (_info)))
1439 #define	ath_hal_btcoex_set_config(_ah, _cfg) \
1440 	((*(_ah)->ah_btCoexSetConfig)((_ah), (_cfg)))
1441 #define	ath_hal_btcoex_set_qcu_thresh(_ah, _qcuid) \
1442 	((*(_ah)->ah_btCoexSetQcuThresh)((_ah), (_qcuid)))
1443 #define	ath_hal_btcoex_set_weights(_ah, _weight) \
1444 	((*(_ah)->ah_btCoexSetWeights)((_ah), (_weight)))
1445 #define	ath_hal_btcoex_set_weights(_ah, _weight) \
1446 	((*(_ah)->ah_btCoexSetWeights)((_ah), (_weight)))
1447 #define	ath_hal_btcoex_set_bmiss_thresh(_ah, _thr) \
1448 	((*(_ah)->ah_btCoexSetBmissThresh)((_ah), (_thr)))
1449 #define	ath_hal_btcoex_set_parameter(_ah, _attrib, _val) \
1450 	((*(_ah)->ah_btCoexSetParameter)((_ah), (_attrib), (_val)))
1451 #define	ath_hal_btcoex_enable(_ah) \
1452 	((*(_ah)->ah_btCoexEnable)((_ah)))
1453 #define	ath_hal_btcoex_disable(_ah) \
1454 	((*(_ah)->ah_btCoexDisable)((_ah)))
1455 
1456 #define	ath_hal_div_comb_conf_get(_ah, _conf) \
1457 	((*(_ah)->ah_divLnaConfGet)((_ah), (_conf)))
1458 #define	ath_hal_div_comb_conf_set(_ah, _conf) \
1459 	((*(_ah)->ah_divLnaConfSet)((_ah), (_conf)))
1460 
1461 #endif /* _DEV_ATH_ATHVAR_H */
1462