if_athvar.h revision 240585
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: head/sys/dev/ath/if_athvar.h 240585 2012-09-17 01:21:55Z adrian $
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 <dev/ath/ath_hal/ah.h>
39#include <dev/ath/ath_hal/ah_desc.h>
40#include <net80211/ieee80211_radiotap.h>
41#include <dev/ath/if_athioctl.h>
42#include <dev/ath/if_athrate.h>
43
44#define	ATH_TIMEOUT		1000
45
46/*
47 * There is a separate TX ath_buf pool for management frames.
48 * This ensures that management frames such as probe responses
49 * and BAR frames can be transmitted during periods of high
50 * TX activity.
51 */
52#define	ATH_MGMT_TXBUF		32
53
54/*
55 * 802.11n requires more TX and RX buffers to do AMPDU.
56 */
57#ifdef	ATH_ENABLE_11N
58#define	ATH_TXBUF	512
59#define	ATH_RXBUF	512
60#endif
61
62#ifndef ATH_RXBUF
63#define	ATH_RXBUF	40		/* number of RX buffers */
64#endif
65#ifndef ATH_TXBUF
66#define	ATH_TXBUF	200		/* number of TX buffers */
67#endif
68#define	ATH_BCBUF	4		/* number of beacon buffers */
69
70#define	ATH_TXDESC	10		/* number of descriptors per buffer */
71#define	ATH_TXMAXTRY	11		/* max number of transmit attempts */
72#define	ATH_TXMGTTRY	4		/* xmit attempts for mgt/ctl frames */
73#define	ATH_TXINTR_PERIOD 5		/* max number of batched tx descriptors */
74
75#define	ATH_BEACON_AIFS_DEFAULT	 1	/* default aifs for ap beacon q */
76#define	ATH_BEACON_CWMIN_DEFAULT 0	/* default cwmin for ap beacon q */
77#define	ATH_BEACON_CWMAX_DEFAULT 0	/* default cwmax for ap beacon q */
78
79/*
80 * The key cache is used for h/w cipher state and also for
81 * tracking station state such as the current tx antenna.
82 * We also setup a mapping table between key cache slot indices
83 * and station state to short-circuit node lookups on rx.
84 * Different parts have different size key caches.  We handle
85 * up to ATH_KEYMAX entries (could dynamically allocate state).
86 */
87#define	ATH_KEYMAX	128		/* max key cache size we handle */
88#define	ATH_KEYBYTES	(ATH_KEYMAX/NBBY)	/* storage space in bytes */
89
90struct taskqueue;
91struct kthread;
92struct ath_buf;
93
94#define	ATH_TID_MAX_BUFS	(2 * IEEE80211_AGGR_BAWMAX)
95
96/*
97 * Per-TID state
98 *
99 * Note that TID 16 (WME_NUM_TID+1) is for handling non-QoS frames.
100 */
101struct ath_tid {
102	TAILQ_HEAD(,ath_buf) axq_q;		/* pending buffers */
103	u_int			axq_depth;	/* SW queue depth */
104	char			axq_name[48];	/* lock name */
105	struct ath_node		*an;		/* pointer to parent */
106	int			tid;		/* tid */
107	int			ac;		/* which AC gets this trafic */
108	int			hwq_depth;	/* how many buffers are on HW */
109
110	struct {
111		TAILQ_HEAD(,ath_buf) axq_q;		/* filtered queue */
112		u_int			axq_depth;	/* SW queue depth */
113		char			axq_name[48];	/* lock name */
114	} filtq;
115
116	/*
117	 * Entry on the ath_txq; when there's traffic
118	 * to send
119	 */
120	TAILQ_ENTRY(ath_tid)	axq_qelem;
121	int			sched;
122	int			paused;	/* >0 if the TID has been paused */
123
124	/*
125	 * These are flags - perhaps later collapse
126	 * down to a single uint32_t ?
127	 */
128	int			addba_tx_pending;	/* TX ADDBA pending */
129	int			bar_wait;	/* waiting for BAR */
130	int			bar_tx;		/* BAR TXed */
131	int			isfiltered;	/* is this node currently filtered */
132	int			clrdmask;	/* has clrdmask been set */
133
134	/*
135	 * Is the TID being cleaned up after a transition
136	 * from aggregation to non-aggregation?
137	 * When this is set to 1, this TID will be paused
138	 * and no further traffic will be queued until all
139	 * the hardware packets pending for this TID have been
140	 * TXed/completed; at which point (non-aggregation)
141	 * traffic will resume being TXed.
142	 */
143	int			cleanup_inprogress;
144	/*
145	 * How many hardware-queued packets are
146	 * waiting to be cleaned up.
147	 * This is only valid if cleanup_inprogress is 1.
148	 */
149	int			incomp;
150
151	/*
152	 * The following implements a ring representing
153	 * the frames in the current BAW.
154	 * To avoid copying the array content each time
155	 * the BAW is moved, the baw_head/baw_tail point
156	 * to the current BAW begin/end; when the BAW is
157	 * shifted the head/tail of the array are also
158	 * appropriately shifted.
159	 */
160	/* active tx buffers, beginning at current BAW */
161	struct ath_buf		*tx_buf[ATH_TID_MAX_BUFS];
162	/* where the baw head is in the array */
163	int			baw_head;
164	/* where the BAW tail is in the array */
165	int			baw_tail;
166};
167
168/* driver-specific node state */
169struct ath_node {
170	struct ieee80211_node an_node;	/* base class */
171	u_int8_t	an_mgmtrix;	/* min h/w rate index */
172	u_int8_t	an_mcastrix;	/* mcast h/w rate index */
173	struct ath_buf	*an_ff_buf[WME_NUM_AC]; /* ff staging area */
174	struct ath_tid	an_tid[IEEE80211_TID_SIZE];	/* per-TID state */
175	char		an_name[32];	/* eg "wlan0_a1" */
176	struct mtx	an_mtx;		/* protecting the ath_node state */
177	/* variable-length rate control state follows */
178};
179#define	ATH_NODE(ni)	((struct ath_node *)(ni))
180#define	ATH_NODE_CONST(ni)	((const struct ath_node *)(ni))
181
182#define ATH_RSSI_LPF_LEN	10
183#define ATH_RSSI_DUMMY_MARKER	0x127
184#define ATH_EP_MUL(x, mul)	((x) * (mul))
185#define ATH_RSSI_IN(x)		(ATH_EP_MUL((x), HAL_RSSI_EP_MULTIPLIER))
186#define ATH_LPF_RSSI(x, y, len) \
187    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
188#define ATH_RSSI_LPF(x, y) do {						\
189    if ((y) >= -20)							\
190    	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);	\
191} while (0)
192#define	ATH_EP_RND(x,mul) \
193	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
194#define	ATH_RSSI(x)		ATH_EP_RND(x, HAL_RSSI_EP_MULTIPLIER)
195
196typedef enum {
197	ATH_BUFTYPE_NORMAL	= 0,
198	ATH_BUFTYPE_MGMT	= 1,
199} ath_buf_type_t;
200
201struct ath_buf {
202	TAILQ_ENTRY(ath_buf)	bf_list;
203	struct ath_buf *	bf_next;	/* next buffer in the aggregate */
204	int			bf_nseg;
205	HAL_STATUS		bf_rxstatus;
206	uint16_t		bf_flags;	/* status flags (below) */
207	uint16_t		bf_descid;	/* 16 bit descriptor ID */
208	struct ath_desc		*bf_desc;	/* virtual addr of desc */
209	struct ath_desc_status	bf_status;	/* tx/rx status */
210	bus_addr_t		bf_daddr;	/* physical addr of desc */
211	bus_dmamap_t		bf_dmamap;	/* DMA map for mbuf chain */
212	struct mbuf		*bf_m;		/* mbuf for buf */
213	struct ieee80211_node	*bf_node;	/* pointer to the node */
214	struct ath_desc		*bf_lastds;	/* last descriptor for comp status */
215	struct ath_buf		*bf_last;	/* last buffer in aggregate, or self for non-aggregate */
216	bus_size_t		bf_mapsize;
217#define	ATH_MAX_SCATTER		ATH_TXDESC	/* max(tx,rx,beacon) desc's */
218	bus_dma_segment_t	bf_segs[ATH_MAX_SCATTER];
219
220	/* Completion function to call on TX complete (fail or not) */
221	/*
222	 * "fail" here is set to 1 if the queue entries were removed
223	 * through a call to ath_tx_draintxq().
224	 */
225	void(* bf_comp) (struct ath_softc *sc, struct ath_buf *bf, int fail);
226
227	/* This state is kept to support software retries and aggregation */
228	struct {
229		uint16_t bfs_seqno;	/* sequence number of this packet */
230		uint16_t bfs_ndelim;	/* number of delims for padding */
231
232		uint8_t bfs_retries;	/* retry count */
233		uint8_t bfs_tid;	/* packet TID (or TID_MAX for no QoS) */
234		uint8_t bfs_nframes;	/* number of frames in aggregate */
235		uint8_t bfs_pri;	/* packet AC priority */
236
237		struct ath_txq *bfs_txq;	/* eventual dest hardware TXQ */
238
239		u_int32_t bfs_aggr:1,		/* part of aggregate? */
240		    bfs_aggrburst:1,	/* part of aggregate burst? */
241		    bfs_isretried:1,	/* retried frame? */
242		    bfs_dobaw:1,	/* actually check against BAW? */
243		    bfs_addedbaw:1,	/* has been added to the BAW */
244		    bfs_shpream:1,	/* use short preamble */
245		    bfs_istxfrag:1,	/* is fragmented */
246		    bfs_ismrr:1,	/* do multi-rate TX retry */
247		    bfs_doprot:1,	/* do RTS/CTS based protection */
248		    bfs_doratelookup:1;	/* do rate lookup before each TX */
249
250		/*
251		 * These fields are passed into the
252		 * descriptor setup functions.
253		 */
254
255		/* Make this an 8 bit value? */
256		HAL_PKT_TYPE bfs_atype;	/* packet type */
257
258		uint32_t bfs_pktlen;	/* length of this packet */
259
260		uint16_t bfs_hdrlen;	/* length of this packet header */
261		uint16_t bfs_al;	/* length of aggregate */
262
263		uint16_t bfs_txflags;	/* HAL (tx) descriptor flags */
264		uint8_t bfs_txrate0;	/* first TX rate */
265		uint8_t bfs_try0;		/* first try count */
266
267		uint16_t bfs_txpower;	/* tx power */
268		uint8_t bfs_ctsrate0;	/* Non-zero - use this as ctsrate */
269		uint8_t bfs_ctsrate;	/* CTS rate */
270
271		/* 16 bit? */
272		int32_t bfs_keyix;		/* crypto key index */
273		int32_t bfs_txantenna;	/* TX antenna config */
274
275		/* Make this an 8 bit value? */
276		enum ieee80211_protmode bfs_protmode;
277
278		/* 16 bit? */
279		uint32_t bfs_ctsduration;	/* CTS duration (pre-11n NICs) */
280		struct ath_rc_series bfs_rc[ATH_RC_NUM];	/* non-11n TX series */
281	} bf_state;
282};
283typedef TAILQ_HEAD(ath_bufhead_s, ath_buf) ath_bufhead;
284
285#define	ATH_BUF_MGMT	0x00000001	/* (tx) desc is a mgmt desc */
286#define	ATH_BUF_BUSY	0x00000002	/* (tx) desc owned by h/w */
287
288/*
289 * DMA state for tx/rx descriptors.
290 */
291struct ath_descdma {
292	const char*		dd_name;
293	struct ath_desc		*dd_desc;	/* descriptors */
294	int			dd_descsize;	/* size of single descriptor */
295	bus_addr_t		dd_desc_paddr;	/* physical addr of dd_desc */
296	bus_size_t		dd_desc_len;	/* size of dd_desc */
297	bus_dma_segment_t	dd_dseg;
298	bus_dma_tag_t		dd_dmat;	/* bus DMA tag */
299	bus_dmamap_t		dd_dmamap;	/* DMA map for descriptors */
300	struct ath_buf		*dd_bufptr;	/* associated buffers */
301};
302
303/*
304 * Data transmit queue state.  One of these exists for each
305 * hardware transmit queue.  Packets sent to us from above
306 * are assigned to queues based on their priority.  Not all
307 * devices support a complete set of hardware transmit queues.
308 * For those devices the array sc_ac2q will map multiple
309 * priorities to fewer hardware queues (typically all to one
310 * hardware queue).
311 */
312struct ath_txq {
313	struct ath_softc	*axq_softc;	/* Needed for scheduling */
314	u_int			axq_qnum;	/* hardware q number */
315#define	ATH_TXQ_SWQ	(HAL_NUM_TX_QUEUES+1)	/* qnum for s/w only queue */
316	u_int			axq_ac;		/* WME AC */
317	u_int			axq_flags;
318#define	ATH_TXQ_PUTPENDING	0x0001		/* ath_hal_puttxbuf pending */
319	u_int			axq_depth;	/* queue depth (stat only) */
320	u_int			axq_aggr_depth;	/* how many aggregates are queued */
321	u_int			axq_fifo_depth;	/* depth of FIFO frames */
322	u_int			axq_intrcnt;	/* interrupt count */
323	u_int32_t		*axq_link;	/* link ptr in last TX desc */
324	TAILQ_HEAD(axq_q_s, ath_buf)	axq_q;		/* transmit queue */
325	struct mtx		axq_lock;	/* lock on q and link */
326	char			axq_name[12];	/* e.g. "ath0_txq4" */
327
328	/* Per-TID traffic queue for software -> hardware TX */
329	TAILQ_HEAD(axq_t_s,ath_tid)	axq_tidq;
330};
331
332#define	ATH_NODE_LOCK(_an)		mtx_lock(&(_an)->an_mtx)
333#define	ATH_NODE_UNLOCK(_an)		mtx_unlock(&(_an)->an_mtx)
334#define	ATH_NODE_LOCK_ASSERT(_an)	mtx_assert(&(_an)->an_mtx, MA_OWNED)
335
336#define	ATH_TXQ_LOCK_INIT(_sc, _tq) do { \
337	snprintf((_tq)->axq_name, sizeof((_tq)->axq_name), "%s_txq%u", \
338		device_get_nameunit((_sc)->sc_dev), (_tq)->axq_qnum); \
339	mtx_init(&(_tq)->axq_lock, (_tq)->axq_name, NULL, MTX_DEF); \
340} while (0)
341#define	ATH_TXQ_LOCK_DESTROY(_tq)	mtx_destroy(&(_tq)->axq_lock)
342#define	ATH_TXQ_LOCK(_tq)		mtx_lock(&(_tq)->axq_lock)
343#define	ATH_TXQ_UNLOCK(_tq)		mtx_unlock(&(_tq)->axq_lock)
344#define	ATH_TXQ_LOCK_ASSERT(_tq)	\
345	    mtx_assert(&(_tq)->axq_lock, MA_OWNED)
346#define	ATH_TXQ_UNLOCK_ASSERT(_tq)	\
347	    mtx_assert(&(_tq)->axq_lock, MA_NOTOWNED)
348#define	ATH_TXQ_IS_LOCKED(_tq)		mtx_owned(&(_tq)->axq_lock)
349
350#define	ATH_TID_LOCK_ASSERT(_sc, _tid)	\
351	    ATH_TXQ_LOCK_ASSERT((_sc)->sc_ac2q[(_tid)->ac])
352#define	ATH_TID_UNLOCK_ASSERT(_sc, _tid)	\
353	    ATH_TXQ_UNLOCK_ASSERT((_sc)->sc_ac2q[(_tid)->ac])
354
355#define ATH_TXQ_INSERT_HEAD(_tq, _elm, _field) do { \
356	TAILQ_INSERT_HEAD(&(_tq)->axq_q, (_elm), _field); \
357	(_tq)->axq_depth++; \
358} while (0)
359#define ATH_TXQ_INSERT_TAIL(_tq, _elm, _field) do { \
360	TAILQ_INSERT_TAIL(&(_tq)->axq_q, (_elm), _field); \
361	(_tq)->axq_depth++; \
362} while (0)
363#define ATH_TXQ_REMOVE(_tq, _elm, _field) do { \
364	TAILQ_REMOVE(&(_tq)->axq_q, _elm, _field); \
365	(_tq)->axq_depth--; \
366} while (0)
367#define	ATH_TXQ_FIRST(_tq)		TAILQ_FIRST(&(_tq)->axq_q)
368#define	ATH_TXQ_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->axq_q, _field)
369
370struct ath_vap {
371	struct ieee80211vap av_vap;	/* base class */
372	int		av_bslot;	/* beacon slot index */
373	struct ath_buf	*av_bcbuf;	/* beacon buffer */
374	struct ieee80211_beacon_offsets av_boff;/* dynamic update state */
375	struct ath_txq	av_mcastq;	/* buffered mcast s/w queue */
376
377	void		(*av_recv_mgmt)(struct ieee80211_node *,
378				struct mbuf *, int, int, int);
379	int		(*av_newstate)(struct ieee80211vap *,
380				enum ieee80211_state, int);
381	void		(*av_bmiss)(struct ieee80211vap *);
382};
383#define	ATH_VAP(vap)	((struct ath_vap *)(vap))
384
385struct taskqueue;
386struct ath_tx99;
387
388/*
389 * Whether to reset the TX/RX queue with or without
390 * a queue flush.
391 */
392typedef enum {
393	ATH_RESET_DEFAULT = 0,
394	ATH_RESET_NOLOSS = 1,
395	ATH_RESET_FULL = 2,
396} ATH_RESET_TYPE;
397
398struct ath_rx_methods {
399	void		(*recv_stop)(struct ath_softc *sc, int dodelay);
400	int		(*recv_start)(struct ath_softc *sc);
401	void		(*recv_flush)(struct ath_softc *sc);
402	void		(*recv_tasklet)(void *arg, int npending);
403	int		(*recv_rxbuf_init)(struct ath_softc *sc,
404			    struct ath_buf *bf);
405	int		(*recv_setup)(struct ath_softc *sc);
406	int		(*recv_teardown)(struct ath_softc *sc);
407};
408
409/*
410 * Represent the current state of the RX FIFO.
411 */
412struct ath_rx_edma {
413	struct ath_buf	**m_fifo;
414	int		m_fifolen;
415	int		m_fifo_head;
416	int		m_fifo_tail;
417	int		m_fifo_depth;
418	struct mbuf	*m_rxpending;
419};
420
421struct ath_tx_edma_fifo {
422	struct ath_buf	**m_fifo;
423	int		m_fifolen;
424	int		m_fifo_head;
425	int		m_fifo_tail;
426	int		m_fifo_depth;
427};
428
429struct ath_tx_methods {
430	int		(*xmit_setup)(struct ath_softc *sc);
431	int		(*xmit_teardown)(struct ath_softc *sc);
432	void		(*xmit_attach_comp_func)(struct ath_softc *sc);
433
434	void		(*xmit_dma_restart)(struct ath_softc *sc,
435			    struct ath_txq *txq);
436	void		(*xmit_handoff)(struct ath_softc *sc,
437			    struct ath_txq *txq, struct ath_buf *bf);
438	void		(*xmit_drain)(struct ath_softc *sc,
439			    ATH_RESET_TYPE reset_type);
440};
441
442struct ath_softc {
443	struct ifnet		*sc_ifp;	/* interface common */
444	struct ath_stats	sc_stats;	/* interface statistics */
445	struct ath_tx_aggr_stats	sc_aggr_stats;
446	struct ath_intr_stats	sc_intr_stats;
447	uint64_t		sc_debug;
448	int			sc_nvaps;	/* # vaps */
449	int			sc_nstavaps;	/* # station vaps */
450	int			sc_nmeshvaps;	/* # mbss vaps */
451	u_int8_t		sc_hwbssidmask[IEEE80211_ADDR_LEN];
452	u_int8_t		sc_nbssid0;	/* # vap's using base mac */
453	uint32_t		sc_bssidmask;	/* bssid mask */
454
455	struct ath_rx_methods	sc_rx;
456	struct ath_rx_edma	sc_rxedma[HAL_NUM_RX_QUEUES];	/* HP/LP queues */
457	struct ath_tx_methods	sc_tx;
458	struct ath_tx_edma_fifo	sc_txedma[HAL_NUM_TX_QUEUES];
459
460	int			sc_rx_statuslen;
461	int			sc_tx_desclen;
462	int			sc_tx_statuslen;
463	int			sc_tx_nmaps;	/* Number of TX maps */
464	int			sc_edma_bufsize;
465
466	void 			(*sc_node_cleanup)(struct ieee80211_node *);
467	void 			(*sc_node_free)(struct ieee80211_node *);
468	device_t		sc_dev;
469	HAL_BUS_TAG		sc_st;		/* bus space tag */
470	HAL_BUS_HANDLE		sc_sh;		/* bus space handle */
471	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
472	struct mtx		sc_mtx;		/* master lock (recursive) */
473	struct mtx		sc_pcu_mtx;	/* PCU access mutex */
474	char			sc_pcu_mtx_name[32];
475	struct mtx		sc_rx_mtx;	/* RX access mutex */
476	char			sc_rx_mtx_name[32];
477	struct taskqueue	*sc_tq;		/* private task queue */
478	struct ath_hal		*sc_ah;		/* Atheros HAL */
479	struct ath_ratectrl	*sc_rc;		/* tx rate control support */
480	struct ath_tx99		*sc_tx99;	/* tx99 adjunct state */
481	void			(*sc_setdefantenna)(struct ath_softc *, u_int);
482	unsigned int		sc_invalid  : 1,/* disable hardware accesses */
483				sc_mrretry  : 1,/* multi-rate retry support */
484				sc_mrrprot  : 1,/* MRR + protection support */
485				sc_softled  : 1,/* enable LED gpio status */
486				sc_hardled  : 1,/* enable MAC LED status */
487				sc_splitmic : 1,/* split TKIP MIC keys */
488				sc_needmib  : 1,/* enable MIB stats intr */
489				sc_diversity: 1,/* enable rx diversity */
490				sc_hasveol  : 1,/* tx VEOL support */
491				sc_ledstate : 1,/* LED on/off state */
492				sc_blinking : 1,/* LED blink operation active */
493				sc_mcastkey : 1,/* mcast key cache search */
494				sc_scanning : 1,/* scanning active */
495				sc_syncbeacon:1,/* sync/resync beacon timers */
496				sc_hasclrkey: 1,/* CLR key supported */
497				sc_xchanmode: 1,/* extended channel mode */
498				sc_outdoor  : 1,/* outdoor operation */
499				sc_dturbo   : 1,/* dynamic turbo in use */
500				sc_hasbmask : 1,/* bssid mask support */
501				sc_hasbmatch: 1,/* bssid match disable support*/
502				sc_hastsfadd: 1,/* tsf adjust support */
503				sc_beacons  : 1,/* beacons running */
504				sc_swbmiss  : 1,/* sta mode using sw bmiss */
505				sc_stagbeacons:1,/* use staggered beacons */
506				sc_wmetkipmic:1,/* can do WME+TKIP MIC */
507				sc_resume_up: 1,/* on resume, start all vaps */
508				sc_tdma	    : 1,/* TDMA in use */
509				sc_setcca   : 1,/* set/clr CCA with TDMA */
510				sc_resetcal : 1,/* reset cal state next trip */
511				sc_rxslink  : 1,/* do self-linked final descriptor */
512				sc_rxtsf32  : 1,/* RX dec TSF is 32 bits */
513				sc_isedma   : 1;/* supports EDMA */
514	uint32_t		sc_eerd;	/* regdomain from EEPROM */
515	uint32_t		sc_eecc;	/* country code from EEPROM */
516						/* rate tables */
517	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
518	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
519	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
520	HAL_OPMODE		sc_opmode;	/* current operating mode */
521	u_int16_t		sc_curtxpow;	/* current tx power limit */
522	u_int16_t		sc_curaid;	/* current association id */
523	struct ieee80211_channel *sc_curchan;	/* current installed channel */
524	u_int8_t		sc_curbssid[IEEE80211_ADDR_LEN];
525	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
526	struct {
527		u_int8_t	ieeerate;	/* IEEE rate */
528		u_int8_t	rxflags;	/* radiotap rx flags */
529		u_int8_t	txflags;	/* radiotap tx flags */
530		u_int16_t	ledon;		/* softled on time */
531		u_int16_t	ledoff;		/* softled off time */
532	} sc_hwmap[32];				/* h/w rate ix mappings */
533	u_int8_t		sc_protrix;	/* protection rate index */
534	u_int8_t		sc_lastdatarix;	/* last data frame rate index */
535	u_int			sc_mcastrate;	/* ieee rate for mcastrateix */
536	u_int			sc_fftxqmin;	/* min frames before staging */
537	u_int			sc_fftxqmax;	/* max frames before drop */
538	u_int			sc_txantenna;	/* tx antenna (fixed or auto) */
539
540	HAL_INT			sc_imask;	/* interrupt mask copy */
541
542	/*
543	 * These are modified in the interrupt handler as well as
544	 * the task queues and other contexts. Thus these must be
545	 * protected by a mutex, or they could clash.
546	 *
547	 * For now, access to these is behind the ATH_LOCK,
548	 * just to save time.
549	 */
550	uint32_t		sc_txq_active;	/* bitmap of active TXQs */
551	uint32_t		sc_kickpcu;	/* whether to kick the PCU */
552	uint32_t		sc_rxproc_cnt;	/* In RX processing */
553	uint32_t		sc_txproc_cnt;	/* In TX processing */
554	uint32_t		sc_txstart_cnt;	/* In TX output (raw/start) */
555	uint32_t		sc_inreset_cnt;	/* In active reset/chanchange */
556	uint32_t		sc_txrx_cnt;	/* refcount on stop/start'ing TX */
557	uint32_t		sc_intr_cnt;	/* refcount on interrupt handling */
558
559	u_int			sc_keymax;	/* size of key cache */
560	u_int8_t		sc_keymap[ATH_KEYBYTES];/* key use bit map */
561
562	/*
563	 * Software based LED blinking
564	 */
565	u_int			sc_ledpin;	/* GPIO pin for driving LED */
566	u_int			sc_ledon;	/* pin setting for LED on */
567	u_int			sc_ledidle;	/* idle polling interval */
568	int			sc_ledevent;	/* time of last LED event */
569	u_int8_t		sc_txrix;	/* current tx rate for LED */
570	u_int16_t		sc_ledoff;	/* off time for current blink */
571	struct callout		sc_ledtimer;	/* led off timer */
572
573	/*
574	 * Hardware based LED blinking
575	 */
576	int			sc_led_pwr_pin;	/* MAC power LED GPIO pin */
577	int			sc_led_net_pin;	/* MAC network LED GPIO pin */
578
579	u_int			sc_rfsilentpin;	/* GPIO pin for rfkill int */
580	u_int			sc_rfsilentpol;	/* pin setting for rfkill on */
581
582	struct ath_descdma	sc_rxdma;	/* RX descriptors */
583	ath_bufhead		sc_rxbuf;	/* receive buffer */
584	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
585	struct task		sc_rxtask;	/* rx int processing */
586	u_int8_t		sc_defant;	/* current default antenna */
587	u_int8_t		sc_rxotherant;	/* rx's on non-default antenna*/
588	u_int64_t		sc_lastrx;	/* tsf at last rx'd frame */
589	struct ath_rx_status	*sc_lastrs;	/* h/w status of last rx */
590	struct ath_rx_radiotap_header sc_rx_th;
591	int			sc_rx_th_len;
592	u_int			sc_monpass;	/* frames to pass in mon.mode */
593
594	struct ath_descdma	sc_txdma;	/* TX descriptors */
595	uint16_t		sc_txbuf_descid;
596	ath_bufhead		sc_txbuf;	/* transmit buffer */
597	int			sc_txbuf_cnt;	/* how many buffers avail */
598	struct ath_descdma	sc_txdma_mgmt;	/* mgmt TX descriptors */
599	ath_bufhead		sc_txbuf_mgmt;	/* mgmt transmit buffer */
600	struct ath_descdma	sc_txsdma;	/* EDMA TX status desc's */
601	struct mtx		sc_txbuflock;	/* txbuf lock */
602	char			sc_txname[12];	/* e.g. "ath0_buf" */
603	u_int			sc_txqsetup;	/* h/w queues setup */
604	u_int			sc_txintrperiod;/* tx interrupt batching */
605	struct ath_txq		sc_txq[HAL_NUM_TX_QUEUES];
606	struct ath_txq		*sc_ac2q[5];	/* WME AC -> h/w q map */
607	struct task		sc_txtask;	/* tx int processing */
608	struct task		sc_txqtask;	/* tx proc processing */
609
610	struct ath_descdma	sc_txcompdma;	/* TX EDMA completion */
611	struct mtx		sc_txcomplock;	/* TX EDMA completion lock */
612	char			sc_txcompname[12];	/* eg ath0_txcomp */
613
614	int			sc_wd_timer;	/* count down for wd timer */
615	struct callout		sc_wd_ch;	/* tx watchdog timer */
616	struct ath_tx_radiotap_header sc_tx_th;
617	int			sc_tx_th_len;
618
619	struct ath_descdma	sc_bdma;	/* beacon descriptors */
620	ath_bufhead		sc_bbuf;	/* beacon buffers */
621	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
622	u_int			sc_bmisscount;	/* missed beacon transmits */
623	u_int32_t		sc_ant_tx[8];	/* recent tx frames/antenna */
624	struct ath_txq		*sc_cabq;	/* tx q for cab frames */
625	struct task		sc_bmisstask;	/* bmiss int processing */
626	struct task		sc_bstucktask;	/* stuck beacon processing */
627	struct task		sc_resettask;	/* interface reset task */
628	struct task		sc_fataltask;	/* fatal task */
629	enum {
630		OK,				/* no change needed */
631		UPDATE,				/* update pending */
632		COMMIT				/* beacon sent, commit change */
633	} sc_updateslot;			/* slot time update fsm */
634	int			sc_slotupdate;	/* slot to advance fsm */
635	struct ieee80211vap	*sc_bslot[ATH_BCBUF];
636	int			sc_nbcnvaps;	/* # vaps with beacons */
637
638	struct callout		sc_cal_ch;	/* callout handle for cals */
639	int			sc_lastlongcal;	/* last long cal completed */
640	int			sc_lastcalreset;/* last cal reset done */
641	int			sc_lastani;	/* last ANI poll */
642	int			sc_lastshortcal;	/* last short calibration */
643	HAL_BOOL		sc_doresetcal;	/* Yes, we're doing a reset cal atm */
644	HAL_NODE_STATS		sc_halstats;	/* station-mode rssi stats */
645	u_int			sc_tdmadbaprep;	/* TDMA DBA prep time */
646	u_int			sc_tdmaswbaprep;/* TDMA SWBA prep time */
647	u_int			sc_tdmaswba;	/* TDMA SWBA counter */
648	u_int32_t		sc_tdmabintval;	/* TDMA beacon interval (TU) */
649	u_int32_t		sc_tdmaguard;	/* TDMA guard time (usec) */
650	u_int			sc_tdmaslotlen;	/* TDMA slot length (usec) */
651	u_int32_t		sc_avgtsfdeltap;/* TDMA slot adjust (+) */
652	u_int32_t		sc_avgtsfdeltam;/* TDMA slot adjust (-) */
653	uint16_t		*sc_eepromdata;	/* Local eeprom data, if AR9100 */
654	int			sc_txchainmask;	/* currently configured TX chainmask */
655	int			sc_rxchainmask;	/* currently configured RX chainmask */
656	int			sc_rts_aggr_limit;	/* TX limit on RTS aggregates */
657
658	/* Queue limits */
659
660	/*
661	 * To avoid queue starvation in congested conditions,
662	 * these parameters tune the maximum number of frames
663	 * queued to the data/mcastq before they're dropped.
664	 *
665	 * This is to prevent:
666	 * + a single destination overwhelming everything, including
667	 *   management/multicast frames;
668	 * + multicast frames overwhelming everything (when the
669	 *   air is sufficiently busy that cabq can't drain.)
670	 *
671	 * These implement:
672	 * + data_minfree is the maximum number of free buffers
673	 *   overall to successfully allow a data frame.
674	 *
675	 * + mcastq_maxdepth is the maximum depth allowed of the cabq.
676	 */
677	int			sc_txq_data_minfree;
678	int			sc_txq_mcastq_maxdepth;
679
680	/*
681	 * Aggregation twiddles
682	 *
683	 * hwq_limit:	how busy to keep the hardware queue - don't schedule
684	 *		further packets to the hardware, regardless of the TID
685	 * tid_hwq_lo:	how low the per-TID hwq count has to be before the
686	 *		TID will be scheduled again
687	 * tid_hwq_hi:	how many frames to queue to the HWQ before the TID
688	 *		stops being scheduled.
689	 */
690	int			sc_hwq_limit;
691	int			sc_tid_hwq_lo;
692	int			sc_tid_hwq_hi;
693
694	/* DFS related state */
695	void			*sc_dfs;	/* Used by an optional DFS module */
696	int			sc_dodfs;	/* Whether to enable DFS rx filter bits */
697	struct task		sc_dfstask;	/* DFS processing task */
698
699	/* TX AMPDU handling */
700	int			(*sc_addba_request)(struct ieee80211_node *,
701				    struct ieee80211_tx_ampdu *, int, int, int);
702	int			(*sc_addba_response)(struct ieee80211_node *,
703				    struct ieee80211_tx_ampdu *, int, int, int);
704	void			(*sc_addba_stop)(struct ieee80211_node *,
705				    struct ieee80211_tx_ampdu *);
706	void			(*sc_addba_response_timeout)
707				    (struct ieee80211_node *,
708				    struct ieee80211_tx_ampdu *);
709	void			(*sc_bar_response)(struct ieee80211_node *ni,
710				    struct ieee80211_tx_ampdu *tap,
711				    int status);
712};
713
714#define	ATH_LOCK_INIT(_sc) \
715	mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
716		 NULL, MTX_DEF | MTX_RECURSE)
717#define	ATH_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_mtx)
718#define	ATH_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
719#define	ATH_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
720#define	ATH_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
721#define	ATH_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_NOTOWNED)
722
723/*
724 * The PCU lock is non-recursive and should be treated as a spinlock.
725 * Although currently the interrupt code is run in netisr context and
726 * doesn't require this, this may change in the future.
727 * Please keep this in mind when protecting certain code paths
728 * with the PCU lock.
729 *
730 * The PCU lock is used to serialise access to the PCU so things such
731 * as TX, RX, state change (eg channel change), channel reset and updates
732 * from interrupt context (eg kickpcu, txqactive bits) do not clash.
733 *
734 * Although the current single-thread taskqueue mechanism protects the
735 * majority of these situations by simply serialising them, there are
736 * a few others which occur at the same time. These include the TX path
737 * (which only acquires ATH_LOCK when recycling buffers to the free list),
738 * ath_set_channel, the channel scanning API and perhaps quite a bit more.
739 */
740#define	ATH_PCU_LOCK_INIT(_sc) do {\
741	snprintf((_sc)->sc_pcu_mtx_name,				\
742	    sizeof((_sc)->sc_pcu_mtx_name),				\
743	    "%s PCU lock",						\
744	    device_get_nameunit((_sc)->sc_dev));			\
745	mtx_init(&(_sc)->sc_pcu_mtx, (_sc)->sc_pcu_mtx_name,		\
746		 NULL, MTX_DEF);					\
747	} while (0)
748#define	ATH_PCU_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_pcu_mtx)
749#define	ATH_PCU_LOCK(_sc)		mtx_lock(&(_sc)->sc_pcu_mtx)
750#define	ATH_PCU_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_pcu_mtx)
751#define	ATH_PCU_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
752		MA_OWNED)
753#define	ATH_PCU_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
754		MA_NOTOWNED)
755
756/*
757 * The RX lock is primarily a(nother) workaround to ensure that the
758 * RX FIFO/list isn't modified by various execution paths.
759 * Even though RX occurs in a single context (the ath taskqueue), the
760 * RX path can be executed via various reset/channel change paths.
761 */
762#define	ATH_RX_LOCK_INIT(_sc) do {\
763	snprintf((_sc)->sc_rx_mtx_name,					\
764	    sizeof((_sc)->sc_rx_mtx_name),				\
765	    "%s RX lock",						\
766	    device_get_nameunit((_sc)->sc_dev));			\
767	mtx_init(&(_sc)->sc_rx_mtx, (_sc)->sc_rx_mtx_name,		\
768		 NULL, MTX_DEF);					\
769	} while (0)
770#define	ATH_RX_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_rx_mtx)
771#define	ATH_RX_LOCK(_sc)		mtx_lock(&(_sc)->sc_rx_mtx)
772#define	ATH_RX_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_rx_mtx)
773#define	ATH_RX_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_rx_mtx,	\
774		MA_OWNED)
775#define	ATH_RX_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_rx_mtx,	\
776		MA_NOTOWNED)
777
778#define	ATH_TXQ_SETUP(sc, i)	((sc)->sc_txqsetup & (1<<i))
779
780#define	ATH_TXBUF_LOCK_INIT(_sc) do { \
781	snprintf((_sc)->sc_txname, sizeof((_sc)->sc_txname), "%s_buf", \
782		device_get_nameunit((_sc)->sc_dev)); \
783	mtx_init(&(_sc)->sc_txbuflock, (_sc)->sc_txname, NULL, MTX_DEF); \
784} while (0)
785#define	ATH_TXBUF_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txbuflock)
786#define	ATH_TXBUF_LOCK(_sc)		mtx_lock(&(_sc)->sc_txbuflock)
787#define	ATH_TXBUF_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_txbuflock)
788#define	ATH_TXBUF_LOCK_ASSERT(_sc) \
789	mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)
790
791#define	ATH_TXSTATUS_LOCK_INIT(_sc) do { \
792	snprintf((_sc)->sc_txcompname, sizeof((_sc)->sc_txcompname), \
793		"%s_buf", \
794		device_get_nameunit((_sc)->sc_dev)); \
795	mtx_init(&(_sc)->sc_txcomplock, (_sc)->sc_txcompname, NULL, \
796		MTX_DEF); \
797} while (0)
798#define	ATH_TXSTATUS_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txcomplock)
799#define	ATH_TXSTATUS_LOCK(_sc)		mtx_lock(&(_sc)->sc_txcomplock)
800#define	ATH_TXSTATUS_UNLOCK(_sc)	mtx_unlock(&(_sc)->sc_txcomplock)
801#define	ATH_TXSTATUS_LOCK_ASSERT(_sc) \
802	mtx_assert(&(_sc)->sc_txcomplock, MA_OWNED)
803
804int	ath_attach(u_int16_t, struct ath_softc *);
805int	ath_detach(struct ath_softc *);
806void	ath_resume(struct ath_softc *);
807void	ath_suspend(struct ath_softc *);
808void	ath_shutdown(struct ath_softc *);
809void	ath_intr(void *);
810
811/*
812 * HAL definitions to comply with local coding convention.
813 */
814#define	ath_hal_detach(_ah) \
815	((*(_ah)->ah_detach)((_ah)))
816#define	ath_hal_reset(_ah, _opmode, _chan, _outdoor, _pstatus) \
817	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
818#define	ath_hal_macversion(_ah) \
819	(((_ah)->ah_macVersion << 4) | ((_ah)->ah_macRev))
820#define	ath_hal_getratetable(_ah, _mode) \
821	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
822#define	ath_hal_getmac(_ah, _mac) \
823	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
824#define	ath_hal_setmac(_ah, _mac) \
825	((*(_ah)->ah_setMacAddress)((_ah), (_mac)))
826#define	ath_hal_getbssidmask(_ah, _mask) \
827	((*(_ah)->ah_getBssIdMask)((_ah), (_mask)))
828#define	ath_hal_setbssidmask(_ah, _mask) \
829	((*(_ah)->ah_setBssIdMask)((_ah), (_mask)))
830#define	ath_hal_intrset(_ah, _mask) \
831	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
832#define	ath_hal_intrget(_ah) \
833	((*(_ah)->ah_getInterrupts)((_ah)))
834#define	ath_hal_intrpend(_ah) \
835	((*(_ah)->ah_isInterruptPending)((_ah)))
836#define	ath_hal_getisr(_ah, _pmask) \
837	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
838#define	ath_hal_updatetxtriglevel(_ah, _inc) \
839	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
840#define	ath_hal_setpower(_ah, _mode) \
841	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE))
842#define	ath_hal_keycachesize(_ah) \
843	((*(_ah)->ah_getKeyCacheSize)((_ah)))
844#define	ath_hal_keyreset(_ah, _ix) \
845	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
846#define	ath_hal_keyset(_ah, _ix, _pk, _mac) \
847	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), (_mac), AH_FALSE))
848#define	ath_hal_keyisvalid(_ah, _ix) \
849	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
850#define	ath_hal_keysetmac(_ah, _ix, _mac) \
851	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
852#define	ath_hal_getrxfilter(_ah) \
853	((*(_ah)->ah_getRxFilter)((_ah)))
854#define	ath_hal_setrxfilter(_ah, _filter) \
855	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
856#define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
857	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
858#define	ath_hal_waitforbeacon(_ah, _bf) \
859	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
860#define	ath_hal_putrxbuf(_ah, _bufaddr, _rxq) \
861	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr), (_rxq)))
862/* NB: common across all chips */
863#define	AR_TSF_L32	0x804c	/* MAC local clock lower 32 bits */
864#define	ath_hal_gettsf32(_ah) \
865	OS_REG_READ(_ah, AR_TSF_L32)
866#define	ath_hal_gettsf64(_ah) \
867	((*(_ah)->ah_getTsf64)((_ah)))
868#define	ath_hal_resettsf(_ah) \
869	((*(_ah)->ah_resetTsf)((_ah)))
870#define	ath_hal_rxena(_ah) \
871	((*(_ah)->ah_enableReceive)((_ah)))
872#define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
873	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
874#define	ath_hal_gettxbuf(_ah, _q) \
875	((*(_ah)->ah_getTxDP)((_ah), (_q)))
876#define	ath_hal_numtxpending(_ah, _q) \
877	((*(_ah)->ah_numTxPending)((_ah), (_q)))
878#define	ath_hal_getrxbuf(_ah, _rxq) \
879	((*(_ah)->ah_getRxDP)((_ah), (_rxq)))
880#define	ath_hal_txstart(_ah, _q) \
881	((*(_ah)->ah_startTxDma)((_ah), (_q)))
882#define	ath_hal_setchannel(_ah, _chan) \
883	((*(_ah)->ah_setChannel)((_ah), (_chan)))
884#define	ath_hal_calibrate(_ah, _chan, _iqcal) \
885	((*(_ah)->ah_perCalibration)((_ah), (_chan), (_iqcal)))
886#define	ath_hal_calibrateN(_ah, _chan, _lcal, _isdone) \
887	((*(_ah)->ah_perCalibrationN)((_ah), (_chan), 0x1, (_lcal), (_isdone)))
888#define	ath_hal_calreset(_ah, _chan) \
889	((*(_ah)->ah_resetCalValid)((_ah), (_chan)))
890#define	ath_hal_setledstate(_ah, _state) \
891	((*(_ah)->ah_setLedState)((_ah), (_state)))
892#define	ath_hal_beaconinit(_ah, _nextb, _bperiod) \
893	((*(_ah)->ah_beaconInit)((_ah), (_nextb), (_bperiod)))
894#define	ath_hal_beaconreset(_ah) \
895	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
896#define	ath_hal_beaconsettimers(_ah, _bt) \
897	((*(_ah)->ah_setBeaconTimers)((_ah), (_bt)))
898#define	ath_hal_beacontimers(_ah, _bs) \
899	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs)))
900#define	ath_hal_getnexttbtt(_ah) \
901	((*(_ah)->ah_getNextTBTT)((_ah)))
902#define	ath_hal_setassocid(_ah, _bss, _associd) \
903	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd)))
904#define	ath_hal_phydisable(_ah) \
905	((*(_ah)->ah_phyDisable)((_ah)))
906#define	ath_hal_setopmode(_ah) \
907	((*(_ah)->ah_setPCUConfig)((_ah)))
908#define	ath_hal_stoptxdma(_ah, _qnum) \
909	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
910#define	ath_hal_stoppcurecv(_ah) \
911	((*(_ah)->ah_stopPcuReceive)((_ah)))
912#define	ath_hal_startpcurecv(_ah) \
913	((*(_ah)->ah_startPcuReceive)((_ah)))
914#define	ath_hal_stopdmarecv(_ah) \
915	((*(_ah)->ah_stopDmaReceive)((_ah)))
916#define	ath_hal_getdiagstate(_ah, _id, _indata, _insize, _outdata, _outsize) \
917	((*(_ah)->ah_getDiagState)((_ah), (_id), \
918		(_indata), (_insize), (_outdata), (_outsize)))
919#define	ath_hal_getfatalstate(_ah, _outdata, _outsize) \
920	ath_hal_getdiagstate(_ah, 29, NULL, 0, (_outdata), _outsize)
921#define	ath_hal_setuptxqueue(_ah, _type, _irq) \
922	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
923#define	ath_hal_resettxqueue(_ah, _q) \
924	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
925#define	ath_hal_releasetxqueue(_ah, _q) \
926	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
927#define	ath_hal_gettxqueueprops(_ah, _q, _qi) \
928	((*(_ah)->ah_getTxQueueProps)((_ah), (_q), (_qi)))
929#define	ath_hal_settxqueueprops(_ah, _q, _qi) \
930	((*(_ah)->ah_setTxQueueProps)((_ah), (_q), (_qi)))
931/* NB: common across all chips */
932#define	AR_Q_TXE	0x0840	/* MAC Transmit Queue enable */
933#define	ath_hal_txqenabled(_ah, _qnum) \
934	(OS_REG_READ(_ah, AR_Q_TXE) & (1<<(_qnum)))
935#define	ath_hal_getrfgain(_ah) \
936	((*(_ah)->ah_getRfGain)((_ah)))
937#define	ath_hal_getdefantenna(_ah) \
938	((*(_ah)->ah_getDefAntenna)((_ah)))
939#define	ath_hal_setdefantenna(_ah, _ant) \
940	((*(_ah)->ah_setDefAntenna)((_ah), (_ant)))
941#define	ath_hal_rxmonitor(_ah, _arg, _chan) \
942	((*(_ah)->ah_rxMonitor)((_ah), (_arg), (_chan)))
943#define	ath_hal_ani_poll(_ah, _chan) \
944	((*(_ah)->ah_aniPoll)((_ah), (_chan)))
945#define	ath_hal_mibevent(_ah, _stats) \
946	((*(_ah)->ah_procMibEvent)((_ah), (_stats)))
947#define	ath_hal_setslottime(_ah, _us) \
948	((*(_ah)->ah_setSlotTime)((_ah), (_us)))
949#define	ath_hal_getslottime(_ah) \
950	((*(_ah)->ah_getSlotTime)((_ah)))
951#define	ath_hal_setacktimeout(_ah, _us) \
952	((*(_ah)->ah_setAckTimeout)((_ah), (_us)))
953#define	ath_hal_getacktimeout(_ah) \
954	((*(_ah)->ah_getAckTimeout)((_ah)))
955#define	ath_hal_setctstimeout(_ah, _us) \
956	((*(_ah)->ah_setCTSTimeout)((_ah), (_us)))
957#define	ath_hal_getctstimeout(_ah) \
958	((*(_ah)->ah_getCTSTimeout)((_ah)))
959#define	ath_hal_getcapability(_ah, _cap, _param, _result) \
960	((*(_ah)->ah_getCapability)((_ah), (_cap), (_param), (_result)))
961#define	ath_hal_setcapability(_ah, _cap, _param, _v, _status) \
962	((*(_ah)->ah_setCapability)((_ah), (_cap), (_param), (_v), (_status)))
963#define	ath_hal_ciphersupported(_ah, _cipher) \
964	(ath_hal_getcapability(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)
965#define	ath_hal_getregdomain(_ah, _prd) \
966	(ath_hal_getcapability(_ah, HAL_CAP_REG_DMN, 0, (_prd)) == HAL_OK)
967#define	ath_hal_setregdomain(_ah, _rd) \
968	ath_hal_setcapability(_ah, HAL_CAP_REG_DMN, 0, _rd, NULL)
969#define	ath_hal_getcountrycode(_ah, _pcc) \
970	(*(_pcc) = (_ah)->ah_countryCode)
971#define	ath_hal_gettkipmic(_ah) \
972	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_MIC, 1, NULL) == HAL_OK)
973#define	ath_hal_settkipmic(_ah, _v) \
974	ath_hal_setcapability(_ah, HAL_CAP_TKIP_MIC, 1, _v, NULL)
975#define	ath_hal_hastkipsplit(_ah) \
976	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 0, NULL) == HAL_OK)
977#define	ath_hal_gettkipsplit(_ah) \
978	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, NULL) == HAL_OK)
979#define	ath_hal_settkipsplit(_ah, _v) \
980	ath_hal_setcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, _v, NULL)
981#define	ath_hal_haswmetkipmic(_ah) \
982	(ath_hal_getcapability(_ah, HAL_CAP_WME_TKIPMIC, 0, NULL) == HAL_OK)
983#define	ath_hal_hwphycounters(_ah) \
984	(ath_hal_getcapability(_ah, HAL_CAP_PHYCOUNTERS, 0, NULL) == HAL_OK)
985#define	ath_hal_hasdiversity(_ah) \
986	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 0, NULL) == HAL_OK)
987#define	ath_hal_getdiversity(_ah) \
988	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK)
989#define	ath_hal_setdiversity(_ah, _v) \
990	ath_hal_setcapability(_ah, HAL_CAP_DIVERSITY, 1, _v, NULL)
991#define	ath_hal_getantennaswitch(_ah) \
992	((*(_ah)->ah_getAntennaSwitch)((_ah)))
993#define	ath_hal_setantennaswitch(_ah, _v) \
994	((*(_ah)->ah_setAntennaSwitch)((_ah), (_v)))
995#define	ath_hal_getdiag(_ah, _pv) \
996	(ath_hal_getcapability(_ah, HAL_CAP_DIAG, 0, _pv) == HAL_OK)
997#define	ath_hal_setdiag(_ah, _v) \
998	ath_hal_setcapability(_ah, HAL_CAP_DIAG, 0, _v, NULL)
999#define	ath_hal_getnumtxqueues(_ah, _pv) \
1000	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXQUEUES, 0, _pv) == HAL_OK)
1001#define	ath_hal_hasveol(_ah) \
1002	(ath_hal_getcapability(_ah, HAL_CAP_VEOL, 0, NULL) == HAL_OK)
1003#define	ath_hal_hastxpowlimit(_ah) \
1004	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 0, NULL) == HAL_OK)
1005#define	ath_hal_settxpowlimit(_ah, _pow) \
1006	((*(_ah)->ah_setTxPowerLimit)((_ah), (_pow)))
1007#define	ath_hal_gettxpowlimit(_ah, _ppow) \
1008	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 1, _ppow) == HAL_OK)
1009#define	ath_hal_getmaxtxpow(_ah, _ppow) \
1010	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 2, _ppow) == HAL_OK)
1011#define	ath_hal_gettpscale(_ah, _scale) \
1012	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 3, _scale) == HAL_OK)
1013#define	ath_hal_settpscale(_ah, _v) \
1014	ath_hal_setcapability(_ah, HAL_CAP_TXPOW, 3, _v, NULL)
1015#define	ath_hal_hastpc(_ah) \
1016	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 0, NULL) == HAL_OK)
1017#define	ath_hal_gettpc(_ah) \
1018	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 1, NULL) == HAL_OK)
1019#define	ath_hal_settpc(_ah, _v) \
1020	ath_hal_setcapability(_ah, HAL_CAP_TPC, 1, _v, NULL)
1021#define	ath_hal_hasbursting(_ah) \
1022	(ath_hal_getcapability(_ah, HAL_CAP_BURST, 0, NULL) == HAL_OK)
1023#define	ath_hal_setmcastkeysearch(_ah, _v) \
1024	ath_hal_setcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, _v, NULL)
1025#define	ath_hal_hasmcastkeysearch(_ah) \
1026	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, NULL) == HAL_OK)
1027#define	ath_hal_getmcastkeysearch(_ah) \
1028	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 1, NULL) == HAL_OK)
1029#define	ath_hal_hasfastframes(_ah) \
1030	(ath_hal_getcapability(_ah, HAL_CAP_FASTFRAME, 0, NULL) == HAL_OK)
1031#define	ath_hal_hasbssidmask(_ah) \
1032	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMASK, 0, NULL) == HAL_OK)
1033#define	ath_hal_hasbssidmatch(_ah) \
1034	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMATCH, 0, NULL) == HAL_OK)
1035#define	ath_hal_hastsfadjust(_ah) \
1036	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 0, NULL) == HAL_OK)
1037#define	ath_hal_gettsfadjust(_ah) \
1038	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 1, NULL) == HAL_OK)
1039#define	ath_hal_settsfadjust(_ah, _onoff) \
1040	ath_hal_setcapability(_ah, HAL_CAP_TSF_ADJUST, 1, _onoff, NULL)
1041#define	ath_hal_hasrfsilent(_ah) \
1042	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 0, NULL) == HAL_OK)
1043#define	ath_hal_getrfkill(_ah) \
1044	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, NULL) == HAL_OK)
1045#define	ath_hal_setrfkill(_ah, _onoff) \
1046	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _onoff, NULL)
1047#define	ath_hal_getrfsilent(_ah, _prfsilent) \
1048	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 2, _prfsilent) == HAL_OK)
1049#define	ath_hal_setrfsilent(_ah, _rfsilent) \
1050	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 2, _rfsilent, NULL)
1051#define	ath_hal_gettpack(_ah, _ptpack) \
1052	(ath_hal_getcapability(_ah, HAL_CAP_TPC_ACK, 0, _ptpack) == HAL_OK)
1053#define	ath_hal_settpack(_ah, _tpack) \
1054	ath_hal_setcapability(_ah, HAL_CAP_TPC_ACK, 0, _tpack, NULL)
1055#define	ath_hal_gettpcts(_ah, _ptpcts) \
1056	(ath_hal_getcapability(_ah, HAL_CAP_TPC_CTS, 0, _ptpcts) == HAL_OK)
1057#define	ath_hal_settpcts(_ah, _tpcts) \
1058	ath_hal_setcapability(_ah, HAL_CAP_TPC_CTS, 0, _tpcts, NULL)
1059#define	ath_hal_hasintmit(_ah) \
1060	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1061	HAL_CAP_INTMIT_PRESENT, NULL) == HAL_OK)
1062#define	ath_hal_getintmit(_ah) \
1063	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1064	HAL_CAP_INTMIT_ENABLE, NULL) == HAL_OK)
1065#define	ath_hal_setintmit(_ah, _v) \
1066	ath_hal_setcapability(_ah, HAL_CAP_INTMIT, \
1067	HAL_CAP_INTMIT_ENABLE, _v, NULL)
1068
1069/* EDMA definitions */
1070#define	ath_hal_hasedma(_ah) \
1071	(ath_hal_getcapability(_ah, HAL_CAP_ENHANCED_DMA_SUPPORT,	\
1072	0, NULL) == HAL_OK)
1073#define	ath_hal_getrxfifodepth(_ah, _qtype, _req) \
1074	(ath_hal_getcapability(_ah, HAL_CAP_RXFIFODEPTH, _qtype, _req)	\
1075	== HAL_OK)
1076#define	ath_hal_getntxmaps(_ah, _req) \
1077	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXMAPS, 0, _req)	\
1078	== HAL_OK)
1079#define	ath_hal_gettxdesclen(_ah, _req) \
1080	(ath_hal_getcapability(_ah, HAL_CAP_TXDESCLEN, 0, _req)		\
1081	== HAL_OK)
1082#define	ath_hal_gettxstatuslen(_ah, _req) \
1083	(ath_hal_getcapability(_ah, HAL_CAP_TXSTATUSLEN, 0, _req)	\
1084	== HAL_OK)
1085#define	ath_hal_getrxstatuslen(_ah, _req) \
1086	(ath_hal_getcapability(_ah, HAL_CAP_RXSTATUSLEN, 0, _req)	\
1087	== HAL_OK)
1088#define	ath_hal_setrxbufsize(_ah, _req) \
1089	(ath_hal_setcapability(_ah, HAL_CAP_RXBUFSIZE, 0, _req, NULL)	\
1090	== HAL_OK)
1091
1092#define	ath_hal_getchannoise(_ah, _c) \
1093	((*(_ah)->ah_getChanNoise)((_ah), (_c)))
1094
1095/* 802.11n HAL methods */
1096#define	ath_hal_getrxchainmask(_ah, _prxchainmask) \
1097	(ath_hal_getcapability(_ah, HAL_CAP_RX_CHAINMASK, 0, _prxchainmask))
1098#define	ath_hal_gettxchainmask(_ah, _ptxchainmask) \
1099	(ath_hal_getcapability(_ah, HAL_CAP_TX_CHAINMASK, 0, _ptxchainmask))
1100#define	ath_hal_setrxchainmask(_ah, _rx) \
1101	(ath_hal_setcapability(_ah, HAL_CAP_RX_CHAINMASK, 1, _rx, NULL))
1102#define	ath_hal_settxchainmask(_ah, _tx) \
1103	(ath_hal_setcapability(_ah, HAL_CAP_TX_CHAINMASK, 1, _tx, NULL))
1104#define	ath_hal_split4ktrans(_ah) \
1105	(ath_hal_getcapability(_ah, HAL_CAP_SPLIT_4KB_TRANS, \
1106	0, NULL) == HAL_OK)
1107#define	ath_hal_self_linked_final_rxdesc(_ah) \
1108	(ath_hal_getcapability(_ah, HAL_CAP_RXDESC_SELFLINK, \
1109	0, NULL) == HAL_OK)
1110#define	ath_hal_gtxto_supported(_ah) \
1111	(ath_hal_getcapability(_ah, HAL_CAP_GTXTO, 0, NULL) == HAL_OK)
1112#define	ath_hal_has_long_rxdesc_tsf(_ah) \
1113	(ath_hal_getcapability(_ah, HAL_CAP_LONG_RXDESC_TSF, \
1114	0, NULL) == HAL_OK)
1115#define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
1116	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
1117#define	ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext, _rs) \
1118	((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext), 0, (_rs)))
1119#define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
1120		_txr0, _txtr0, _keyix, _ant, _flags, \
1121		_rtsrate, _rtsdura) \
1122	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
1123		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
1124		(_flags), (_rtsrate), (_rtsdura), 0, 0, 0))
1125#define	ath_hal_setupxtxdesc(_ah, _ds, \
1126		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
1127	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), \
1128		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
1129#define	ath_hal_filltxdesc(_ah, _ds, _b, _l, _did, _qid, _first, _last, _ds0) \
1130	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_b), (_l), (_did), (_qid), \
1131		(_first), (_last), (_ds0)))
1132#define	ath_hal_txprocdesc(_ah, _ds, _ts) \
1133	((*(_ah)->ah_procTxDesc)((_ah), (_ds), (_ts)))
1134#define	ath_hal_gettxintrtxqs(_ah, _txqs) \
1135	((*(_ah)->ah_getTxIntrQueue)((_ah), (_txqs)))
1136#define ath_hal_gettxcompletionrates(_ah, _ds, _rates, _tries) \
1137	((*(_ah)->ah_getTxCompletionRates)((_ah), (_ds), (_rates), (_tries)))
1138#define ath_hal_settxdesclink(_ah, _ds, _link) \
1139	((*(_ah)->ah_setTxDescLink)((_ah), (_ds), (_link)))
1140#define ath_hal_gettxdesclink(_ah, _ds, _link) \
1141	((*(_ah)->ah_getTxDescLink)((_ah), (_ds), (_link)))
1142#define ath_hal_gettxdesclinkptr(_ah, _ds, _linkptr) \
1143	((*(_ah)->ah_getTxDescLinkPtr)((_ah), (_ds), (_linkptr)))
1144#define	ath_hal_setuptxstatusring(_ah, _tsstart, _tspstart, _size) \
1145	((*(_ah)->ah_setupTxStatusRing)((_ah), (_tsstart), (_tspstart), \
1146		(_size)))
1147
1148#define	ath_hal_setupfirsttxdesc(_ah, _ds, _aggrlen, _flags, _txpower, \
1149		_txr0, _txtr0, _antm, _rcr, _rcd) \
1150	((*(_ah)->ah_setupFirstTxDesc)((_ah), (_ds), (_aggrlen), (_flags), \
1151	(_txpower), (_txr0), (_txtr0), (_antm), (_rcr), (_rcd)))
1152#define	ath_hal_chaintxdesc(_ah, _ds, _bl, _sl, _pktlen, _hdrlen, _type, \
1153	_keyix, _cipher, _delims, _first, _last, _lastaggr) \
1154	((*(_ah)->ah_chainTxDesc)((_ah), (_ds), (_bl), (_sl), \
1155	(_pktlen), (_hdrlen), (_type), (_keyix), (_cipher), (_delims), \
1156	(_first), (_last), (_lastaggr)))
1157#define	ath_hal_setuplasttxdesc(_ah, _ds, _ds0) \
1158	((*(_ah)->ah_setupLastTxDesc)((_ah), (_ds), (_ds0)))
1159
1160#define	ath_hal_set11nratescenario(_ah, _ds, _dur, _rt, _series, _ns, _flags) \
1161	((*(_ah)->ah_set11nRateScenario)((_ah), (_ds), (_dur), (_rt), \
1162	(_series), (_ns), (_flags)))
1163
1164#define	ath_hal_set11n_aggr_first(_ah, _ds, _len, _num) \
1165	((*(_ah)->ah_set11nAggrFirst)((_ah), (_ds), (_len)))
1166#define	ath_hal_set11naggrmiddle(_ah, _ds, _num) \
1167	((*(_ah)->ah_set11nAggrMiddle)((_ah), (_ds), (_num)))
1168#define	ath_hal_set11n_aggr_last(_ah, _ds) \
1169	((*(_ah)->ah_set11nAggrLast)((_ah), (_ds)))
1170
1171#define	ath_hal_set11nburstduration(_ah, _ds, _dur) \
1172	((*(_ah)->ah_set11nBurstDuration)((_ah), (_ds), (_dur)))
1173#define	ath_hal_clr11n_aggr(_ah, _ds) \
1174	((*(_ah)->ah_clr11nAggr)((_ah), (_ds)))
1175
1176#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
1177	((*(_ah)->ah_gpioCfgOutput)((_ah), (_gpio), (_type)))
1178#define	ath_hal_gpioset(_ah, _gpio, _b) \
1179	((*(_ah)->ah_gpioSet)((_ah), (_gpio), (_b)))
1180#define	ath_hal_gpioget(_ah, _gpio) \
1181	((*(_ah)->ah_gpioGet)((_ah), (_gpio)))
1182#define	ath_hal_gpiosetintr(_ah, _gpio, _b) \
1183	((*(_ah)->ah_gpioSetIntr)((_ah), (_gpio), (_b)))
1184
1185/*
1186 * PCIe suspend/resume/poweron/poweroff related macros
1187 */
1188#define	ath_hal_enablepcie(_ah, _restore, _poweroff) \
1189	((*(_ah)->ah_configPCIE)((_ah), (_restore), (_poweroff)))
1190#define	ath_hal_disablepcie(_ah) \
1191	((*(_ah)->ah_disablePCIE)((_ah)))
1192
1193/*
1194 * This is badly-named; you need to set the correct parameters
1195 * to begin to receive useful radar events; and even then
1196 * it doesn't "enable" DFS. See the ath_dfs/null/ module for
1197 * more information.
1198 */
1199#define	ath_hal_enabledfs(_ah, _param) \
1200	((*(_ah)->ah_enableDfs)((_ah), (_param)))
1201#define	ath_hal_getdfsthresh(_ah, _param) \
1202	((*(_ah)->ah_getDfsThresh)((_ah), (_param)))
1203#define	ath_hal_getdfsdefaultthresh(_ah, _param) \
1204	((*(_ah)->ah_getDfsDefaultThresh)((_ah), (_param)))
1205#define	ath_hal_procradarevent(_ah, _rxs, _fulltsf, _buf, _event) \
1206	((*(_ah)->ah_procRadarEvent)((_ah), (_rxs), (_fulltsf), \
1207	(_buf), (_event)))
1208#define	ath_hal_is_fast_clock_enabled(_ah) \
1209	((*(_ah)->ah_isFastClockEnabled)((_ah)))
1210#define	ath_hal_radar_wait(_ah, _chan) \
1211	((*(_ah)->ah_radarWait)((_ah), (_chan)))
1212#define	ath_hal_get_mib_cycle_counts(_ah, _sample) \
1213	((*(_ah)->ah_getMibCycleCounts)((_ah), (_sample)))
1214#define	ath_hal_get_chan_ext_busy(_ah) \
1215	((*(_ah)->ah_get11nExtBusy)((_ah)))
1216
1217#endif /* _DEV_ATH_ATHVAR_H */
1218