xref: /freebsd/sys/dev/ath/if_athvar.h (revision 586f63035fbe5e45cfc971037fd76375661ece26)
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 <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  * 802.11n requires more TX and RX buffers to do AMPDU.
48  */
49 #ifdef	ATH_ENABLE_11N
50 #define	ATH_TXBUF	512
51 #define	ATH_RXBUF	512
52 #endif
53 
54 #ifndef ATH_RXBUF
55 #define	ATH_RXBUF	40		/* number of RX buffers */
56 #endif
57 #ifndef ATH_TXBUF
58 #define	ATH_TXBUF	200		/* number of TX buffers */
59 #endif
60 #define	ATH_BCBUF	4		/* number of beacon buffers */
61 
62 #define	ATH_TXDESC	10		/* number of descriptors per buffer */
63 #define	ATH_TXMAXTRY	11		/* max number of transmit attempts */
64 #define	ATH_TXMGTTRY	4		/* xmit attempts for mgt/ctl frames */
65 #define	ATH_TXINTR_PERIOD 5		/* max number of batched tx descriptors */
66 
67 #define	ATH_BEACON_AIFS_DEFAULT	 1	/* default aifs for ap beacon q */
68 #define	ATH_BEACON_CWMIN_DEFAULT 0	/* default cwmin for ap beacon q */
69 #define	ATH_BEACON_CWMAX_DEFAULT 0	/* default cwmax for ap beacon q */
70 
71 /*
72  * The key cache is used for h/w cipher state and also for
73  * tracking station state such as the current tx antenna.
74  * We also setup a mapping table between key cache slot indices
75  * and station state to short-circuit node lookups on rx.
76  * Different parts have different size key caches.  We handle
77  * up to ATH_KEYMAX entries (could dynamically allocate state).
78  */
79 #define	ATH_KEYMAX	128		/* max key cache size we handle */
80 #define	ATH_KEYBYTES	(ATH_KEYMAX/NBBY)	/* storage space in bytes */
81 
82 struct taskqueue;
83 struct kthread;
84 struct ath_buf;
85 
86 #define	ATH_TID_MAX_BUFS	(2 * IEEE80211_AGGR_BAWMAX)
87 
88 /*
89  * Per-TID state
90  *
91  * Note that TID 16 (WME_NUM_TID+1) is for handling non-QoS frames.
92  */
93 struct ath_tid {
94 	TAILQ_HEAD(,ath_buf) axq_q;		/* pending buffers */
95 	u_int			axq_depth;	/* SW queue depth */
96 	char			axq_name[48];	/* lock name */
97 	struct ath_node		*an;		/* pointer to parent */
98 	int			tid;		/* tid */
99 	int			ac;		/* which AC gets this trafic */
100 	int			hwq_depth;	/* how many buffers are on HW */
101 
102 	/*
103 	 * Entry on the ath_txq; when there's traffic
104 	 * to send
105 	 */
106 	TAILQ_ENTRY(ath_tid)	axq_qelem;
107 	int			sched;
108 	int			paused;	/* >0 if the TID has been paused */
109 
110 	/*
111 	 * Is the TID being cleaned up after a transition
112 	 * from aggregation to non-aggregation?
113 	 * When this is set to 1, this TID will be paused
114 	 * and no further traffic will be queued until all
115 	 * the hardware packets pending for this TID have been
116 	 * TXed/completed; at which point (non-aggregation)
117 	 * traffic will resume being TXed.
118 	 */
119 	int			cleanup_inprogress;
120 	/*
121 	 * How many hardware-queued packets are
122 	 * waiting to be cleaned up.
123 	 * This is only valid if cleanup_inprogress is 1.
124 	 */
125 	int			incomp;
126 
127 	/*
128 	 * The following implements a ring representing
129 	 * the frames in the current BAW.
130 	 * To avoid copying the array content each time
131 	 * the BAW is moved, the baw_head/baw_tail point
132 	 * to the current BAW begin/end; when the BAW is
133 	 * shifted the head/tail of the array are also
134 	 * appropriately shifted.
135 	 */
136 	/* active tx buffers, beginning at current BAW */
137 	struct ath_buf		*tx_buf[ATH_TID_MAX_BUFS];
138 	/* where the baw head is in the array */
139 	int			baw_head;
140 	/* where the BAW tail is in the array */
141 	int			baw_tail;
142 };
143 
144 /* driver-specific node state */
145 struct ath_node {
146 	struct ieee80211_node an_node;	/* base class */
147 	u_int8_t	an_mgmtrix;	/* min h/w rate index */
148 	u_int8_t	an_mcastrix;	/* mcast h/w rate index */
149 	struct ath_buf	*an_ff_buf[WME_NUM_AC]; /* ff staging area */
150 	struct ath_tid	an_tid[IEEE80211_TID_SIZE];	/* per-TID state */
151 	char		an_name[32];	/* eg "wlan0_a1" */
152 	struct mtx	an_mtx;		/* protecting the ath_node state */
153 	/* variable-length rate control state follows */
154 };
155 #define	ATH_NODE(ni)	((struct ath_node *)(ni))
156 #define	ATH_NODE_CONST(ni)	((const struct ath_node *)(ni))
157 
158 #define ATH_RSSI_LPF_LEN	10
159 #define ATH_RSSI_DUMMY_MARKER	0x127
160 #define ATH_EP_MUL(x, mul)	((x) * (mul))
161 #define ATH_RSSI_IN(x)		(ATH_EP_MUL((x), HAL_RSSI_EP_MULTIPLIER))
162 #define ATH_LPF_RSSI(x, y, len) \
163     ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
164 #define ATH_RSSI_LPF(x, y) do {						\
165     if ((y) >= -20)							\
166     	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);	\
167 } while (0)
168 #define	ATH_EP_RND(x,mul) \
169 	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
170 #define	ATH_RSSI(x)		ATH_EP_RND(x, HAL_RSSI_EP_MULTIPLIER)
171 
172 struct ath_buf {
173 	TAILQ_ENTRY(ath_buf)	bf_list;
174 	struct ath_buf *	bf_next;	/* next buffer in the aggregate */
175 	int			bf_nseg;
176 	uint16_t		bf_txflags;	/* tx descriptor flags */
177 	uint16_t		bf_flags;	/* status flags (below) */
178 	struct ath_desc		*bf_desc;	/* virtual addr of desc */
179 	struct ath_desc_status	bf_status;	/* tx/rx status */
180 	bus_addr_t		bf_daddr;	/* physical addr of desc */
181 	bus_dmamap_t		bf_dmamap;	/* DMA map for mbuf chain */
182 	struct mbuf		*bf_m;		/* mbuf for buf */
183 	struct ieee80211_node	*bf_node;	/* pointer to the node */
184 	struct ath_desc		*bf_lastds;	/* last descriptor for comp status */
185 	struct ath_buf		*bf_last;	/* last buffer in aggregate, or self for non-aggregate */
186 	bus_size_t		bf_mapsize;
187 #define	ATH_MAX_SCATTER		ATH_TXDESC	/* max(tx,rx,beacon) desc's */
188 	bus_dma_segment_t	bf_segs[ATH_MAX_SCATTER];
189 
190 	/* Completion function to call on TX complete (fail or not) */
191 	/*
192 	 * "fail" here is set to 1 if the queue entries were removed
193 	 * through a call to ath_tx_draintxq().
194 	 */
195 	void(* bf_comp) (struct ath_softc *sc, struct ath_buf *bf, int fail);
196 
197 	/* This state is kept to support software retries and aggregation */
198 	struct {
199 		int bfs_seqno;		/* sequence number of this packet */
200 		int bfs_retries;	/* retry count */
201 		uint16_t bfs_tid;	/* packet TID (or TID_MAX for no QoS) */
202 		uint16_t bfs_pri;	/* packet AC priority */
203 		struct ath_txq *bfs_txq;	/* eventual dest hardware TXQ */
204 		uint16_t bfs_pktdur;	/* packet duration (at current rate?) */
205 		uint16_t bfs_nframes;	/* number of frames in aggregate */
206 		uint16_t bfs_ndelim;	/* number of delims for padding */
207 
208 		int bfs_aggr:1;		/* part of aggregate? */
209 		int bfs_aggrburst:1;	/* part of aggregate burst? */
210 		int bfs_isretried:1;	/* retried frame? */
211 		int bfs_dobaw:1;	/* actually check against BAW? */
212 		int bfs_addedbaw:1;	/* has been added to the BAW */
213 		int bfs_shpream:1;	/* use short preamble */
214 		int bfs_istxfrag:1;	/* is fragmented */
215 		int bfs_ismrr:1;	/* do multi-rate TX retry */
216 		int bfs_doprot:1;	/* do RTS/CTS based protection */
217 		int bfs_doratelookup:1;	/* do rate lookup before each TX */
218 		int bfs_nfl;		/* next fragment length */
219 
220 		/*
221 		 * These fields are passed into the
222 		 * descriptor setup functions.
223 		 */
224 		HAL_PKT_TYPE bfs_atype;	/* packet type */
225 		int bfs_pktlen;		/* length of this packet */
226 		int bfs_hdrlen;		/* length of this packet header */
227 		uint16_t bfs_al;	/* length of aggregate */
228 		int bfs_flags;		/* HAL descriptor flags */
229 		int bfs_txrate0;	/* first TX rate */
230 		int bfs_try0;		/* first try count */
231 		uint8_t bfs_ctsrate0;	/* Non-zero - use this as ctsrate */
232 		int bfs_keyix;		/* crypto key index */
233 		int bfs_txpower;	/* tx power */
234 		int bfs_txantenna;	/* TX antenna config */
235 		enum ieee80211_protmode bfs_protmode;
236 		HAL_11N_RATE_SERIES bfs_rc11n[ATH_RC_NUM];	/* 11n TX series */
237 		int bfs_ctsrate;	/* CTS rate */
238 		int bfs_ctsduration;	/* CTS duration (pre-11n NICs) */
239 		struct ath_rc_series bfs_rc[ATH_RC_NUM];	/* non-11n TX series */
240 	} bf_state;
241 };
242 typedef TAILQ_HEAD(ath_bufhead_s, ath_buf) ath_bufhead;
243 
244 #define	ATH_BUF_BUSY	0x00000002	/* (tx) desc owned by h/w */
245 
246 /*
247  * DMA state for tx/rx descriptors.
248  */
249 struct ath_descdma {
250 	const char*		dd_name;
251 	struct ath_desc		*dd_desc;	/* descriptors */
252 	bus_addr_t		dd_desc_paddr;	/* physical addr of dd_desc */
253 	bus_size_t		dd_desc_len;	/* size of dd_desc */
254 	bus_dma_segment_t	dd_dseg;
255 	bus_dma_tag_t		dd_dmat;	/* bus DMA tag */
256 	bus_dmamap_t		dd_dmamap;	/* DMA map for descriptors */
257 	struct ath_buf		*dd_bufptr;	/* associated buffers */
258 };
259 
260 /*
261  * Data transmit queue state.  One of these exists for each
262  * hardware transmit queue.  Packets sent to us from above
263  * are assigned to queues based on their priority.  Not all
264  * devices support a complete set of hardware transmit queues.
265  * For those devices the array sc_ac2q will map multiple
266  * priorities to fewer hardware queues (typically all to one
267  * hardware queue).
268  */
269 struct ath_txq {
270 	struct ath_softc	*axq_softc;	/* Needed for scheduling */
271 	u_int			axq_qnum;	/* hardware q number */
272 #define	ATH_TXQ_SWQ	(HAL_NUM_TX_QUEUES+1)	/* qnum for s/w only queue */
273 	u_int			axq_ac;		/* WME AC */
274 	u_int			axq_flags;
275 #define	ATH_TXQ_PUTPENDING	0x0001		/* ath_hal_puttxbuf pending */
276 	u_int			axq_depth;	/* queue depth (stat only) */
277 	u_int			axq_aggr_depth;	/* how many aggregates are queued */
278 	u_int			axq_intrcnt;	/* interrupt count */
279 	u_int32_t		*axq_link;	/* link ptr in last TX desc */
280 	TAILQ_HEAD(axq_q_s, ath_buf)	axq_q;		/* transmit queue */
281 	struct mtx		axq_lock;	/* lock on q and link */
282 	char			axq_name[12];	/* e.g. "ath0_txq4" */
283 
284 	/* Per-TID traffic queue for software -> hardware TX */
285 	TAILQ_HEAD(axq_t_s,ath_tid)	axq_tidq;
286 };
287 
288 #define	ATH_NODE_LOCK(_an)		mtx_lock(&(_an)->an_mtx)
289 #define	ATH_NODE_UNLOCK(_an)		mtx_unlock(&(_an)->an_mtx)
290 #define	ATH_NODE_LOCK_ASSERT(_an)	mtx_assert(&(_an)->an_mtx, MA_OWNED)
291 
292 #define	ATH_TXQ_LOCK_INIT(_sc, _tq) do { \
293 	snprintf((_tq)->axq_name, sizeof((_tq)->axq_name), "%s_txq%u", \
294 		device_get_nameunit((_sc)->sc_dev), (_tq)->axq_qnum); \
295 	mtx_init(&(_tq)->axq_lock, (_tq)->axq_name, NULL, MTX_DEF); \
296 } while (0)
297 #define	ATH_TXQ_LOCK_DESTROY(_tq)	mtx_destroy(&(_tq)->axq_lock)
298 #define	ATH_TXQ_LOCK(_tq)		mtx_lock(&(_tq)->axq_lock)
299 #define	ATH_TXQ_UNLOCK(_tq)		mtx_unlock(&(_tq)->axq_lock)
300 #define	ATH_TXQ_LOCK_ASSERT(_tq)	mtx_assert(&(_tq)->axq_lock, MA_OWNED)
301 #define	ATH_TXQ_IS_LOCKED(_tq)		mtx_owned(&(_tq)->axq_lock)
302 
303 #define ATH_TXQ_INSERT_HEAD(_tq, _elm, _field) do { \
304 	TAILQ_INSERT_HEAD(&(_tq)->axq_q, (_elm), _field); \
305 	(_tq)->axq_depth++; \
306 } while (0)
307 #define ATH_TXQ_INSERT_TAIL(_tq, _elm, _field) do { \
308 	TAILQ_INSERT_TAIL(&(_tq)->axq_q, (_elm), _field); \
309 	(_tq)->axq_depth++; \
310 } while (0)
311 #define ATH_TXQ_REMOVE(_tq, _elm, _field) do { \
312 	TAILQ_REMOVE(&(_tq)->axq_q, _elm, _field); \
313 	(_tq)->axq_depth--; \
314 } while (0)
315 #define	ATH_TXQ_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->axq_q, _field)
316 
317 struct ath_vap {
318 	struct ieee80211vap av_vap;	/* base class */
319 	int		av_bslot;	/* beacon slot index */
320 	struct ath_buf	*av_bcbuf;	/* beacon buffer */
321 	struct ieee80211_beacon_offsets av_boff;/* dynamic update state */
322 	struct ath_txq	av_mcastq;	/* buffered mcast s/w queue */
323 
324 	void		(*av_recv_mgmt)(struct ieee80211_node *,
325 				struct mbuf *, int, int, int);
326 	int		(*av_newstate)(struct ieee80211vap *,
327 				enum ieee80211_state, int);
328 	void		(*av_bmiss)(struct ieee80211vap *);
329 };
330 #define	ATH_VAP(vap)	((struct ath_vap *)(vap))
331 
332 struct taskqueue;
333 struct ath_tx99;
334 
335 /*
336  * Whether to reset the TX/RX queue with or without
337  * a queue flush.
338  */
339 typedef enum {
340 	ATH_RESET_DEFAULT = 0,
341 	ATH_RESET_NOLOSS = 1,
342 	ATH_RESET_FULL = 2,
343 } ATH_RESET_TYPE;
344 
345 struct ath_softc {
346 	struct ifnet		*sc_ifp;	/* interface common */
347 	struct ath_stats	sc_stats;	/* interface statistics */
348 	struct ath_tx_aggr_stats	sc_aggr_stats;
349 	int			sc_debug;
350 	int			sc_nvaps;	/* # vaps */
351 	int			sc_nstavaps;	/* # station vaps */
352 	int			sc_nmeshvaps;	/* # mbss vaps */
353 	u_int8_t		sc_hwbssidmask[IEEE80211_ADDR_LEN];
354 	u_int8_t		sc_nbssid0;	/* # vap's using base mac */
355 	uint32_t		sc_bssidmask;	/* bssid mask */
356 
357 	void 			(*sc_node_cleanup)(struct ieee80211_node *);
358 	void 			(*sc_node_free)(struct ieee80211_node *);
359 	device_t		sc_dev;
360 	HAL_BUS_TAG		sc_st;		/* bus space tag */
361 	HAL_BUS_HANDLE		sc_sh;		/* bus space handle */
362 	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
363 	struct mtx		sc_mtx;		/* master lock (recursive) */
364 	struct mtx		sc_pcu_mtx;	/* PCU access mutex */
365 	char			sc_pcu_mtx_name[32];
366 	struct taskqueue	*sc_tq;		/* private task queue */
367 	struct ath_hal		*sc_ah;		/* Atheros HAL */
368 	struct ath_ratectrl	*sc_rc;		/* tx rate control support */
369 	struct ath_tx99		*sc_tx99;	/* tx99 adjunct state */
370 	void			(*sc_setdefantenna)(struct ath_softc *, u_int);
371 	unsigned int		sc_invalid  : 1,/* disable hardware accesses */
372 				sc_mrretry  : 1,/* multi-rate retry support */
373 				sc_softled  : 1,/* enable LED gpio status */
374 				sc_splitmic : 1,/* split TKIP MIC keys */
375 				sc_needmib  : 1,/* enable MIB stats intr */
376 				sc_diversity: 1,/* enable rx diversity */
377 				sc_hasveol  : 1,/* tx VEOL support */
378 				sc_ledstate : 1,/* LED on/off state */
379 				sc_blinking : 1,/* LED blink operation active */
380 				sc_mcastkey : 1,/* mcast key cache search */
381 				sc_scanning : 1,/* scanning active */
382 				sc_syncbeacon:1,/* sync/resync beacon timers */
383 				sc_hasclrkey: 1,/* CLR key supported */
384 				sc_xchanmode: 1,/* extended channel mode */
385 				sc_outdoor  : 1,/* outdoor operation */
386 				sc_dturbo   : 1,/* dynamic turbo in use */
387 				sc_hasbmask : 1,/* bssid mask support */
388 				sc_hasbmatch: 1,/* bssid match disable support*/
389 				sc_hastsfadd: 1,/* tsf adjust support */
390 				sc_beacons  : 1,/* beacons running */
391 				sc_swbmiss  : 1,/* sta mode using sw bmiss */
392 				sc_stagbeacons:1,/* use staggered beacons */
393 				sc_wmetkipmic:1,/* can do WME+TKIP MIC */
394 				sc_resume_up: 1,/* on resume, start all vaps */
395 				sc_tdma	    : 1,/* TDMA in use */
396 				sc_setcca   : 1,/* set/clr CCA with TDMA */
397 				sc_resetcal : 1,/* reset cal state next trip */
398 				sc_rxslink  : 1,/* do self-linked final descriptor */
399 				sc_rxtsf32  : 1;/* RX dec TSF is 32 bits */
400 	uint32_t		sc_eerd;	/* regdomain from EEPROM */
401 	uint32_t		sc_eecc;	/* country code from EEPROM */
402 						/* rate tables */
403 	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
404 	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
405 	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
406 	HAL_OPMODE		sc_opmode;	/* current operating mode */
407 	u_int16_t		sc_curtxpow;	/* current tx power limit */
408 	u_int16_t		sc_curaid;	/* current association id */
409 	struct ieee80211_channel *sc_curchan;	/* current installed channel */
410 	u_int8_t		sc_curbssid[IEEE80211_ADDR_LEN];
411 	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
412 	struct {
413 		u_int8_t	ieeerate;	/* IEEE rate */
414 		u_int8_t	rxflags;	/* radiotap rx flags */
415 		u_int8_t	txflags;	/* radiotap tx flags */
416 		u_int16_t	ledon;		/* softled on time */
417 		u_int16_t	ledoff;		/* softled off time */
418 	} sc_hwmap[32];				/* h/w rate ix mappings */
419 	u_int8_t		sc_protrix;	/* protection rate index */
420 	u_int8_t		sc_lastdatarix;	/* last data frame rate index */
421 	u_int			sc_mcastrate;	/* ieee rate for mcastrateix */
422 	u_int			sc_fftxqmin;	/* min frames before staging */
423 	u_int			sc_fftxqmax;	/* max frames before drop */
424 	u_int			sc_txantenna;	/* tx antenna (fixed or auto) */
425 
426 	HAL_INT			sc_imask;	/* interrupt mask copy */
427 
428 	/*
429 	 * These are modified in the interrupt handler as well as
430 	 * the task queues and other contexts. Thus these must be
431 	 * protected by a mutex, or they could clash.
432 	 *
433 	 * For now, access to these is behind the ATH_LOCK,
434 	 * just to save time.
435 	 */
436 	uint32_t		sc_txq_active;	/* bitmap of active TXQs */
437 	uint32_t		sc_kickpcu;	/* whether to kick the PCU */
438 	uint32_t		sc_rxproc_cnt;	/* In RX processing */
439 	uint32_t		sc_txproc_cnt;	/* In TX processing */
440 	uint32_t		sc_txstart_cnt;	/* In TX output (raw/start) */
441 	uint32_t		sc_inreset_cnt;	/* In active reset/chanchange */
442 	uint32_t		sc_txrx_cnt;	/* refcount on stop/start'ing TX */
443 	uint32_t		sc_intr_cnt;	/* refcount on interrupt handling */
444 
445 	u_int			sc_keymax;	/* size of key cache */
446 	u_int8_t		sc_keymap[ATH_KEYBYTES];/* key use bit map */
447 
448 	u_int			sc_ledpin;	/* GPIO pin for driving LED */
449 	u_int			sc_ledon;	/* pin setting for LED on */
450 	u_int			sc_ledidle;	/* idle polling interval */
451 	int			sc_ledevent;	/* time of last LED event */
452 	u_int8_t		sc_txrix;	/* current tx rate for LED */
453 	u_int16_t		sc_ledoff;	/* off time for current blink */
454 	struct callout		sc_ledtimer;	/* led off timer */
455 
456 	u_int			sc_rfsilentpin;	/* GPIO pin for rfkill int */
457 	u_int			sc_rfsilentpol;	/* pin setting for rfkill on */
458 
459 	struct ath_descdma	sc_rxdma;	/* RX descriptors */
460 	ath_bufhead		sc_rxbuf;	/* receive buffer */
461 	struct mbuf		*sc_rxpending;	/* pending receive data */
462 	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
463 	struct task		sc_rxtask;	/* rx int processing */
464 	u_int8_t		sc_defant;	/* current default antenna */
465 	u_int8_t		sc_rxotherant;	/* rx's on non-default antenna*/
466 	u_int64_t		sc_lastrx;	/* tsf at last rx'd frame */
467 	struct ath_rx_status	*sc_lastrs;	/* h/w status of last rx */
468 	struct ath_rx_radiotap_header sc_rx_th;
469 	int			sc_rx_th_len;
470 	u_int			sc_monpass;	/* frames to pass in mon.mode */
471 
472 	struct ath_descdma	sc_txdma;	/* TX descriptors */
473 	ath_bufhead		sc_txbuf;	/* transmit buffer */
474 	struct mtx		sc_txbuflock;	/* txbuf lock */
475 	char			sc_txname[12];	/* e.g. "ath0_buf" */
476 	u_int			sc_txqsetup;	/* h/w queues setup */
477 	u_int			sc_txintrperiod;/* tx interrupt batching */
478 	struct ath_txq		sc_txq[HAL_NUM_TX_QUEUES];
479 	struct ath_txq		*sc_ac2q[5];	/* WME AC -> h/w q map */
480 	struct task		sc_txtask;	/* tx int processing */
481 	int			sc_wd_timer;	/* count down for wd timer */
482 	struct callout		sc_wd_ch;	/* tx watchdog timer */
483 	struct ath_tx_radiotap_header sc_tx_th;
484 	int			sc_tx_th_len;
485 
486 	struct ath_descdma	sc_bdma;	/* beacon descriptors */
487 	ath_bufhead		sc_bbuf;	/* beacon buffers */
488 	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
489 	u_int			sc_bmisscount;	/* missed beacon transmits */
490 	u_int32_t		sc_ant_tx[8];	/* recent tx frames/antenna */
491 	struct ath_txq		*sc_cabq;	/* tx q for cab frames */
492 	struct task		sc_bmisstask;	/* bmiss int processing */
493 	struct task		sc_bstucktask;	/* stuck beacon processing */
494 	enum {
495 		OK,				/* no change needed */
496 		UPDATE,				/* update pending */
497 		COMMIT				/* beacon sent, commit change */
498 	} sc_updateslot;			/* slot time update fsm */
499 	int			sc_slotupdate;	/* slot to advance fsm */
500 	struct ieee80211vap	*sc_bslot[ATH_BCBUF];
501 	int			sc_nbcnvaps;	/* # vaps with beacons */
502 
503 	struct callout		sc_cal_ch;	/* callout handle for cals */
504 	int			sc_lastlongcal;	/* last long cal completed */
505 	int			sc_lastcalreset;/* last cal reset done */
506 	int			sc_lastani;	/* last ANI poll */
507 	int			sc_lastshortcal;	/* last short calibration */
508 	HAL_BOOL		sc_doresetcal;	/* Yes, we're doing a reset cal atm */
509 	HAL_NODE_STATS		sc_halstats;	/* station-mode rssi stats */
510 	u_int			sc_tdmadbaprep;	/* TDMA DBA prep time */
511 	u_int			sc_tdmaswbaprep;/* TDMA SWBA prep time */
512 	u_int			sc_tdmaswba;	/* TDMA SWBA counter */
513 	u_int32_t		sc_tdmabintval;	/* TDMA beacon interval (TU) */
514 	u_int32_t		sc_tdmaguard;	/* TDMA guard time (usec) */
515 	u_int			sc_tdmaslotlen;	/* TDMA slot length (usec) */
516 	u_int32_t		sc_avgtsfdeltap;/* TDMA slot adjust (+) */
517 	u_int32_t		sc_avgtsfdeltam;/* TDMA slot adjust (-) */
518 	uint16_t		*sc_eepromdata;	/* Local eeprom data, if AR9100 */
519 	int			sc_txchainmask;	/* currently configured TX chainmask */
520 	int			sc_rxchainmask;	/* currently configured RX chainmask */
521 
522 	/*
523 	 * Aggregation twiddles
524 	 *
525 	 * hwq_limit:	how busy to keep the hardware queue - don't schedule
526 	 *		further packets to the hardware, regardless of the TID
527 	 * tid_hwq_lo:	how low the per-TID hwq count has to be before the
528 	 *		TID will be scheduled again
529 	 * tid_hwq_hi:	how many frames to queue to the HWQ before the TID
530 	 *		stops being scheduled.
531 	 */
532 	int			sc_hwq_limit;
533 	int			sc_tid_hwq_lo;
534 	int			sc_tid_hwq_hi;
535 
536 	/* DFS related state */
537 	void			*sc_dfs;	/* Used by an optional DFS module */
538 	int			sc_dodfs;	/* Whether to enable DFS rx filter bits */
539 	struct task		sc_dfstask;	/* DFS processing task */
540 
541 	/* TX AMPDU handling */
542 	int			(*sc_addba_request)(struct ieee80211_node *,
543 				    struct ieee80211_tx_ampdu *, int, int, int);
544 	int			(*sc_addba_response)(struct ieee80211_node *,
545 				    struct ieee80211_tx_ampdu *, int, int, int);
546 	void			(*sc_addba_stop)(struct ieee80211_node *,
547 				    struct ieee80211_tx_ampdu *);
548 	void			(*sc_addba_response_timeout)
549 				    (struct ieee80211_node *,
550 				    struct ieee80211_tx_ampdu *);
551 	void			(*sc_bar_response)(struct ieee80211_node *ni,
552 				    struct ieee80211_tx_ampdu *tap,
553 				    int status);
554 };
555 
556 #define	ATH_LOCK_INIT(_sc) \
557 	mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
558 		 NULL, MTX_DEF | MTX_RECURSE)
559 #define	ATH_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_mtx)
560 #define	ATH_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
561 #define	ATH_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
562 #define	ATH_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
563 #define	ATH_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_NOTOWNED)
564 
565 /*
566  * The PCU lock is non-recursive and should be treated as a spinlock.
567  * Although currently the interrupt code is run in netisr context and
568  * doesn't require this, this may change in the future.
569  * Please keep this in mind when protecting certain code paths
570  * with the PCU lock.
571  *
572  * The PCU lock is used to serialise access to the PCU so things such
573  * as TX, RX, state change (eg channel change), channel reset and updates
574  * from interrupt context (eg kickpcu, txqactive bits) do not clash.
575  *
576  * Although the current single-thread taskqueue mechanism protects the
577  * majority of these situations by simply serialising them, there are
578  * a few others which occur at the same time. These include the TX path
579  * (which only acquires ATH_LOCK when recycling buffers to the free list),
580  * ath_set_channel, the channel scanning API and perhaps quite a bit more.
581  */
582 #define	ATH_PCU_LOCK_INIT(_sc) do {\
583 	snprintf((_sc)->sc_pcu_mtx_name,				\
584 	    sizeof((_sc)->sc_pcu_mtx_name),				\
585 	    "%s PCU lock",						\
586 	    device_get_nameunit((_sc)->sc_dev));			\
587 	mtx_init(&(_sc)->sc_pcu_mtx, (_sc)->sc_pcu_mtx_name,		\
588 		 NULL, MTX_DEF);					\
589 	} while (0)
590 #define	ATH_PCU_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_pcu_mtx)
591 #define	ATH_PCU_LOCK(_sc)		mtx_lock(&(_sc)->sc_pcu_mtx)
592 #define	ATH_PCU_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_pcu_mtx)
593 #define	ATH_PCU_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
594 		MA_OWNED)
595 #define	ATH_PCU_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
596 		MA_NOTOWNED)
597 
598 #define	ATH_TXQ_SETUP(sc, i)	((sc)->sc_txqsetup & (1<<i))
599 
600 #define	ATH_TXBUF_LOCK_INIT(_sc) do { \
601 	snprintf((_sc)->sc_txname, sizeof((_sc)->sc_txname), "%s_buf", \
602 		device_get_nameunit((_sc)->sc_dev)); \
603 	mtx_init(&(_sc)->sc_txbuflock, (_sc)->sc_txname, NULL, MTX_DEF); \
604 } while (0)
605 #define	ATH_TXBUF_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txbuflock)
606 #define	ATH_TXBUF_LOCK(_sc)		mtx_lock(&(_sc)->sc_txbuflock)
607 #define	ATH_TXBUF_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_txbuflock)
608 #define	ATH_TXBUF_LOCK_ASSERT(_sc) \
609 	mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)
610 
611 int	ath_attach(u_int16_t, struct ath_softc *);
612 int	ath_detach(struct ath_softc *);
613 void	ath_resume(struct ath_softc *);
614 void	ath_suspend(struct ath_softc *);
615 void	ath_shutdown(struct ath_softc *);
616 void	ath_intr(void *);
617 
618 /*
619  * HAL definitions to comply with local coding convention.
620  */
621 #define	ath_hal_detach(_ah) \
622 	((*(_ah)->ah_detach)((_ah)))
623 #define	ath_hal_reset(_ah, _opmode, _chan, _outdoor, _pstatus) \
624 	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
625 #define	ath_hal_macversion(_ah) \
626 	(((_ah)->ah_macVersion << 4) | ((_ah)->ah_macRev))
627 #define	ath_hal_getratetable(_ah, _mode) \
628 	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
629 #define	ath_hal_getmac(_ah, _mac) \
630 	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
631 #define	ath_hal_setmac(_ah, _mac) \
632 	((*(_ah)->ah_setMacAddress)((_ah), (_mac)))
633 #define	ath_hal_getbssidmask(_ah, _mask) \
634 	((*(_ah)->ah_getBssIdMask)((_ah), (_mask)))
635 #define	ath_hal_setbssidmask(_ah, _mask) \
636 	((*(_ah)->ah_setBssIdMask)((_ah), (_mask)))
637 #define	ath_hal_intrset(_ah, _mask) \
638 	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
639 #define	ath_hal_intrget(_ah) \
640 	((*(_ah)->ah_getInterrupts)((_ah)))
641 #define	ath_hal_intrpend(_ah) \
642 	((*(_ah)->ah_isInterruptPending)((_ah)))
643 #define	ath_hal_getisr(_ah, _pmask) \
644 	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
645 #define	ath_hal_updatetxtriglevel(_ah, _inc) \
646 	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
647 #define	ath_hal_setpower(_ah, _mode) \
648 	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE))
649 #define	ath_hal_keycachesize(_ah) \
650 	((*(_ah)->ah_getKeyCacheSize)((_ah)))
651 #define	ath_hal_keyreset(_ah, _ix) \
652 	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
653 #define	ath_hal_keyset(_ah, _ix, _pk, _mac) \
654 	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), (_mac), AH_FALSE))
655 #define	ath_hal_keyisvalid(_ah, _ix) \
656 	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
657 #define	ath_hal_keysetmac(_ah, _ix, _mac) \
658 	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
659 #define	ath_hal_getrxfilter(_ah) \
660 	((*(_ah)->ah_getRxFilter)((_ah)))
661 #define	ath_hal_setrxfilter(_ah, _filter) \
662 	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
663 #define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
664 	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
665 #define	ath_hal_waitforbeacon(_ah, _bf) \
666 	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
667 #define	ath_hal_putrxbuf(_ah, _bufaddr) \
668 	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr)))
669 /* NB: common across all chips */
670 #define	AR_TSF_L32	0x804c	/* MAC local clock lower 32 bits */
671 #define	ath_hal_gettsf32(_ah) \
672 	OS_REG_READ(_ah, AR_TSF_L32)
673 #define	ath_hal_gettsf64(_ah) \
674 	((*(_ah)->ah_getTsf64)((_ah)))
675 #define	ath_hal_resettsf(_ah) \
676 	((*(_ah)->ah_resetTsf)((_ah)))
677 #define	ath_hal_rxena(_ah) \
678 	((*(_ah)->ah_enableReceive)((_ah)))
679 #define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
680 	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
681 #define	ath_hal_gettxbuf(_ah, _q) \
682 	((*(_ah)->ah_getTxDP)((_ah), (_q)))
683 #define	ath_hal_numtxpending(_ah, _q) \
684 	((*(_ah)->ah_numTxPending)((_ah), (_q)))
685 #define	ath_hal_getrxbuf(_ah) \
686 	((*(_ah)->ah_getRxDP)((_ah)))
687 #define	ath_hal_txstart(_ah, _q) \
688 	((*(_ah)->ah_startTxDma)((_ah), (_q)))
689 #define	ath_hal_setchannel(_ah, _chan) \
690 	((*(_ah)->ah_setChannel)((_ah), (_chan)))
691 #define	ath_hal_calibrate(_ah, _chan, _iqcal) \
692 	((*(_ah)->ah_perCalibration)((_ah), (_chan), (_iqcal)))
693 #define	ath_hal_calibrateN(_ah, _chan, _lcal, _isdone) \
694 	((*(_ah)->ah_perCalibrationN)((_ah), (_chan), 0x1, (_lcal), (_isdone)))
695 #define	ath_hal_calreset(_ah, _chan) \
696 	((*(_ah)->ah_resetCalValid)((_ah), (_chan)))
697 #define	ath_hal_setledstate(_ah, _state) \
698 	((*(_ah)->ah_setLedState)((_ah), (_state)))
699 #define	ath_hal_beaconinit(_ah, _nextb, _bperiod) \
700 	((*(_ah)->ah_beaconInit)((_ah), (_nextb), (_bperiod)))
701 #define	ath_hal_beaconreset(_ah) \
702 	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
703 #define	ath_hal_beaconsettimers(_ah, _bt) \
704 	((*(_ah)->ah_setBeaconTimers)((_ah), (_bt)))
705 #define	ath_hal_beacontimers(_ah, _bs) \
706 	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs)))
707 #define	ath_hal_getnexttbtt(_ah) \
708 	((*(_ah)->ah_getNextTBTT)((_ah)))
709 #define	ath_hal_setassocid(_ah, _bss, _associd) \
710 	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd)))
711 #define	ath_hal_phydisable(_ah) \
712 	((*(_ah)->ah_phyDisable)((_ah)))
713 #define	ath_hal_setopmode(_ah) \
714 	((*(_ah)->ah_setPCUConfig)((_ah)))
715 #define	ath_hal_stoptxdma(_ah, _qnum) \
716 	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
717 #define	ath_hal_stoppcurecv(_ah) \
718 	((*(_ah)->ah_stopPcuReceive)((_ah)))
719 #define	ath_hal_startpcurecv(_ah) \
720 	((*(_ah)->ah_startPcuReceive)((_ah)))
721 #define	ath_hal_stopdmarecv(_ah) \
722 	((*(_ah)->ah_stopDmaReceive)((_ah)))
723 #define	ath_hal_getdiagstate(_ah, _id, _indata, _insize, _outdata, _outsize) \
724 	((*(_ah)->ah_getDiagState)((_ah), (_id), \
725 		(_indata), (_insize), (_outdata), (_outsize)))
726 #define	ath_hal_getfatalstate(_ah, _outdata, _outsize) \
727 	ath_hal_getdiagstate(_ah, 29, NULL, 0, (_outdata), _outsize)
728 #define	ath_hal_setuptxqueue(_ah, _type, _irq) \
729 	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
730 #define	ath_hal_resettxqueue(_ah, _q) \
731 	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
732 #define	ath_hal_releasetxqueue(_ah, _q) \
733 	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
734 #define	ath_hal_gettxqueueprops(_ah, _q, _qi) \
735 	((*(_ah)->ah_getTxQueueProps)((_ah), (_q), (_qi)))
736 #define	ath_hal_settxqueueprops(_ah, _q, _qi) \
737 	((*(_ah)->ah_setTxQueueProps)((_ah), (_q), (_qi)))
738 /* NB: common across all chips */
739 #define	AR_Q_TXE	0x0840	/* MAC Transmit Queue enable */
740 #define	ath_hal_txqenabled(_ah, _qnum) \
741 	(OS_REG_READ(_ah, AR_Q_TXE) & (1<<(_qnum)))
742 #define	ath_hal_getrfgain(_ah) \
743 	((*(_ah)->ah_getRfGain)((_ah)))
744 #define	ath_hal_getdefantenna(_ah) \
745 	((*(_ah)->ah_getDefAntenna)((_ah)))
746 #define	ath_hal_setdefantenna(_ah, _ant) \
747 	((*(_ah)->ah_setDefAntenna)((_ah), (_ant)))
748 #define	ath_hal_rxmonitor(_ah, _arg, _chan) \
749 	((*(_ah)->ah_rxMonitor)((_ah), (_arg), (_chan)))
750 #define	ath_hal_ani_poll(_ah, _chan) \
751 	((*(_ah)->ah_aniPoll)((_ah), (_chan)))
752 #define	ath_hal_mibevent(_ah, _stats) \
753 	((*(_ah)->ah_procMibEvent)((_ah), (_stats)))
754 #define	ath_hal_setslottime(_ah, _us) \
755 	((*(_ah)->ah_setSlotTime)((_ah), (_us)))
756 #define	ath_hal_getslottime(_ah) \
757 	((*(_ah)->ah_getSlotTime)((_ah)))
758 #define	ath_hal_setacktimeout(_ah, _us) \
759 	((*(_ah)->ah_setAckTimeout)((_ah), (_us)))
760 #define	ath_hal_getacktimeout(_ah) \
761 	((*(_ah)->ah_getAckTimeout)((_ah)))
762 #define	ath_hal_setctstimeout(_ah, _us) \
763 	((*(_ah)->ah_setCTSTimeout)((_ah), (_us)))
764 #define	ath_hal_getctstimeout(_ah) \
765 	((*(_ah)->ah_getCTSTimeout)((_ah)))
766 #define	ath_hal_getcapability(_ah, _cap, _param, _result) \
767 	((*(_ah)->ah_getCapability)((_ah), (_cap), (_param), (_result)))
768 #define	ath_hal_setcapability(_ah, _cap, _param, _v, _status) \
769 	((*(_ah)->ah_setCapability)((_ah), (_cap), (_param), (_v), (_status)))
770 #define	ath_hal_ciphersupported(_ah, _cipher) \
771 	(ath_hal_getcapability(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)
772 #define	ath_hal_getregdomain(_ah, _prd) \
773 	(ath_hal_getcapability(_ah, HAL_CAP_REG_DMN, 0, (_prd)) == HAL_OK)
774 #define	ath_hal_setregdomain(_ah, _rd) \
775 	ath_hal_setcapability(_ah, HAL_CAP_REG_DMN, 0, _rd, NULL)
776 #define	ath_hal_getcountrycode(_ah, _pcc) \
777 	(*(_pcc) = (_ah)->ah_countryCode)
778 #define	ath_hal_gettkipmic(_ah) \
779 	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_MIC, 1, NULL) == HAL_OK)
780 #define	ath_hal_settkipmic(_ah, _v) \
781 	ath_hal_setcapability(_ah, HAL_CAP_TKIP_MIC, 1, _v, NULL)
782 #define	ath_hal_hastkipsplit(_ah) \
783 	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 0, NULL) == HAL_OK)
784 #define	ath_hal_gettkipsplit(_ah) \
785 	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, NULL) == HAL_OK)
786 #define	ath_hal_settkipsplit(_ah, _v) \
787 	ath_hal_setcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, _v, NULL)
788 #define	ath_hal_haswmetkipmic(_ah) \
789 	(ath_hal_getcapability(_ah, HAL_CAP_WME_TKIPMIC, 0, NULL) == HAL_OK)
790 #define	ath_hal_hwphycounters(_ah) \
791 	(ath_hal_getcapability(_ah, HAL_CAP_PHYCOUNTERS, 0, NULL) == HAL_OK)
792 #define	ath_hal_hasdiversity(_ah) \
793 	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 0, NULL) == HAL_OK)
794 #define	ath_hal_getdiversity(_ah) \
795 	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK)
796 #define	ath_hal_setdiversity(_ah, _v) \
797 	ath_hal_setcapability(_ah, HAL_CAP_DIVERSITY, 1, _v, NULL)
798 #define	ath_hal_getantennaswitch(_ah) \
799 	((*(_ah)->ah_getAntennaSwitch)((_ah)))
800 #define	ath_hal_setantennaswitch(_ah, _v) \
801 	((*(_ah)->ah_setAntennaSwitch)((_ah), (_v)))
802 #define	ath_hal_getdiag(_ah, _pv) \
803 	(ath_hal_getcapability(_ah, HAL_CAP_DIAG, 0, _pv) == HAL_OK)
804 #define	ath_hal_setdiag(_ah, _v) \
805 	ath_hal_setcapability(_ah, HAL_CAP_DIAG, 0, _v, NULL)
806 #define	ath_hal_getnumtxqueues(_ah, _pv) \
807 	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXQUEUES, 0, _pv) == HAL_OK)
808 #define	ath_hal_hasveol(_ah) \
809 	(ath_hal_getcapability(_ah, HAL_CAP_VEOL, 0, NULL) == HAL_OK)
810 #define	ath_hal_hastxpowlimit(_ah) \
811 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 0, NULL) == HAL_OK)
812 #define	ath_hal_settxpowlimit(_ah, _pow) \
813 	((*(_ah)->ah_setTxPowerLimit)((_ah), (_pow)))
814 #define	ath_hal_gettxpowlimit(_ah, _ppow) \
815 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 1, _ppow) == HAL_OK)
816 #define	ath_hal_getmaxtxpow(_ah, _ppow) \
817 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 2, _ppow) == HAL_OK)
818 #define	ath_hal_gettpscale(_ah, _scale) \
819 	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 3, _scale) == HAL_OK)
820 #define	ath_hal_settpscale(_ah, _v) \
821 	ath_hal_setcapability(_ah, HAL_CAP_TXPOW, 3, _v, NULL)
822 #define	ath_hal_hastpc(_ah) \
823 	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 0, NULL) == HAL_OK)
824 #define	ath_hal_gettpc(_ah) \
825 	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 1, NULL) == HAL_OK)
826 #define	ath_hal_settpc(_ah, _v) \
827 	ath_hal_setcapability(_ah, HAL_CAP_TPC, 1, _v, NULL)
828 #define	ath_hal_hasbursting(_ah) \
829 	(ath_hal_getcapability(_ah, HAL_CAP_BURST, 0, NULL) == HAL_OK)
830 #define	ath_hal_setmcastkeysearch(_ah, _v) \
831 	ath_hal_setcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, _v, NULL)
832 #define	ath_hal_hasmcastkeysearch(_ah) \
833 	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, NULL) == HAL_OK)
834 #define	ath_hal_getmcastkeysearch(_ah) \
835 	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 1, NULL) == HAL_OK)
836 #define	ath_hal_hasfastframes(_ah) \
837 	(ath_hal_getcapability(_ah, HAL_CAP_FASTFRAME, 0, NULL) == HAL_OK)
838 #define	ath_hal_hasbssidmask(_ah) \
839 	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMASK, 0, NULL) == HAL_OK)
840 #define	ath_hal_hasbssidmatch(_ah) \
841 	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMATCH, 0, NULL) == HAL_OK)
842 #define	ath_hal_hastsfadjust(_ah) \
843 	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 0, NULL) == HAL_OK)
844 #define	ath_hal_gettsfadjust(_ah) \
845 	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 1, NULL) == HAL_OK)
846 #define	ath_hal_settsfadjust(_ah, _onoff) \
847 	ath_hal_setcapability(_ah, HAL_CAP_TSF_ADJUST, 1, _onoff, NULL)
848 #define	ath_hal_hasrfsilent(_ah) \
849 	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 0, NULL) == HAL_OK)
850 #define	ath_hal_getrfkill(_ah) \
851 	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, NULL) == HAL_OK)
852 #define	ath_hal_setrfkill(_ah, _onoff) \
853 	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _onoff, NULL)
854 #define	ath_hal_getrfsilent(_ah, _prfsilent) \
855 	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 2, _prfsilent) == HAL_OK)
856 #define	ath_hal_setrfsilent(_ah, _rfsilent) \
857 	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 2, _rfsilent, NULL)
858 #define	ath_hal_gettpack(_ah, _ptpack) \
859 	(ath_hal_getcapability(_ah, HAL_CAP_TPC_ACK, 0, _ptpack) == HAL_OK)
860 #define	ath_hal_settpack(_ah, _tpack) \
861 	ath_hal_setcapability(_ah, HAL_CAP_TPC_ACK, 0, _tpack, NULL)
862 #define	ath_hal_gettpcts(_ah, _ptpcts) \
863 	(ath_hal_getcapability(_ah, HAL_CAP_TPC_CTS, 0, _ptpcts) == HAL_OK)
864 #define	ath_hal_settpcts(_ah, _tpcts) \
865 	ath_hal_setcapability(_ah, HAL_CAP_TPC_CTS, 0, _tpcts, NULL)
866 #define	ath_hal_hasintmit(_ah) \
867 	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, HAL_CAP_INTMIT_PRESENT, NULL) == HAL_OK)
868 #define	ath_hal_getintmit(_ah) \
869 	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, HAL_CAP_INTMIT_ENABLE, NULL) == HAL_OK)
870 #define	ath_hal_setintmit(_ah, _v) \
871 	ath_hal_setcapability(_ah, HAL_CAP_INTMIT, HAL_CAP_INTMIT_ENABLE, _v, NULL)
872 #define	ath_hal_getchannoise(_ah, _c) \
873 	((*(_ah)->ah_getChanNoise)((_ah), (_c)))
874 #define	ath_hal_getrxchainmask(_ah, _prxchainmask) \
875 	(ath_hal_getcapability(_ah, HAL_CAP_RX_CHAINMASK, 0, _prxchainmask))
876 #define	ath_hal_gettxchainmask(_ah, _ptxchainmask) \
877 	(ath_hal_getcapability(_ah, HAL_CAP_TX_CHAINMASK, 0, _ptxchainmask))
878 #define	ath_hal_split4ktrans(_ah) \
879 	(ath_hal_getcapability(_ah, HAL_CAP_SPLIT_4KB_TRANS, 0, NULL) == HAL_OK)
880 #define	ath_hal_self_linked_final_rxdesc(_ah) \
881 	(ath_hal_getcapability(_ah, HAL_CAP_RXDESC_SELFLINK, 0, NULL) == HAL_OK)
882 #define	ath_hal_gtxto_supported(_ah) \
883 	(ath_hal_getcapability(_ah, HAL_CAP_GTXTO, 0, NULL) == HAL_OK)
884 #define	ath_hal_has_long_rxdesc_tsf(_ah) \
885 	(ath_hal_getcapability(_ah, HAL_CAP_LONG_RXDESC_TSF, 0, NULL) == HAL_OK)
886 
887 #define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
888 	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
889 #define	ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext, _rs) \
890 	((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext), 0, (_rs)))
891 #define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
892 		_txr0, _txtr0, _keyix, _ant, _flags, \
893 		_rtsrate, _rtsdura) \
894 	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
895 		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
896 		(_flags), (_rtsrate), (_rtsdura), 0, 0, 0))
897 #define	ath_hal_setupxtxdesc(_ah, _ds, \
898 		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
899 	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), \
900 		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
901 #define	ath_hal_filltxdesc(_ah, _ds, _l, _first, _last, _ds0) \
902 	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_l), (_first), (_last), (_ds0)))
903 #define	ath_hal_txprocdesc(_ah, _ds, _ts) \
904 	((*(_ah)->ah_procTxDesc)((_ah), (_ds), (_ts)))
905 #define	ath_hal_gettxintrtxqs(_ah, _txqs) \
906 	((*(_ah)->ah_getTxIntrQueue)((_ah), (_txqs)))
907 #define ath_hal_gettxcompletionrates(_ah, _ds, _rates, _tries) \
908 	((*(_ah)->ah_getTxCompletionRates)((_ah), (_ds), (_rates), (_tries)))
909 
910 #define	ath_hal_setupfirsttxdesc(_ah, _ds, _aggrlen, _flags, _txpower, \
911 		_txr0, _txtr0, _antm, _rcr, _rcd) \
912 	((*(_ah)->ah_setupFirstTxDesc)((_ah), (_ds), (_aggrlen), (_flags), \
913 	(_txpower), (_txr0), (_txtr0), (_antm), (_rcr), (_rcd)))
914 #define	ath_hal_chaintxdesc(_ah, _ds, _pktlen, _hdrlen, _type, _keyix, \
915 	_cipher, _delims, _seglen, _first, _last) \
916 	((*(_ah)->ah_chainTxDesc)((_ah), (_ds), (_pktlen), (_hdrlen), \
917 	(_type), (_keyix), (_cipher), (_delims), (_seglen), \
918 	(_first), (_last)))
919 #define	ath_hal_setuplasttxdesc(_ah, _ds, _ds0) \
920 	((*(_ah)->ah_setupLastTxDesc)((_ah), (_ds), (_ds0)))
921 
922 #define	ath_hal_set11nratescenario(_ah, _ds, _dur, _rt, _series, _ns, _flags) \
923 	((*(_ah)->ah_set11nRateScenario)((_ah), (_ds), (_dur), (_rt), \
924 	(_series), (_ns), (_flags)))
925 
926 #define	ath_hal_set11n_aggr_first(_ah, _ds, _len, _num) \
927 	((*(_ah)->ah_set11nAggrFirst)((_ah), (_ds), (_len), (_num)))
928 #define	ath_hal_set11naggrmiddle(_ah, _ds, _num) \
929 	((*(_ah)->ah_set11nAggrMiddle)((_ah), (_ds), (_num)))
930 #define	ath_hal_set11n_aggr_last(_ah, _ds) \
931 	((*(_ah)->ah_set11nAggrLast)((_ah), (_ds)))
932 
933 #define	ath_hal_set11nburstduration(_ah, _ds, _dur) \
934 	((*(_ah)->ah_set11nBurstDuration)((_ah), (_ds), (_dur)))
935 #define	ath_hal_clr11n_aggr(_ah, _ds) \
936 	((*(_ah)->ah_clr11nAggr)((_ah), (_ds)))
937 
938 /*
939  * This is badly-named; you need to set the correct parameters
940  * to begin to receive useful radar events; and even then
941  * it doesn't "enable" DFS. See the ath_dfs/null/ module for
942  * more information.
943  */
944 #define	ath_hal_enabledfs(_ah, _param) \
945 	((*(_ah)->ah_enableDfs)((_ah), (_param)))
946 #define	ath_hal_getdfsthresh(_ah, _param) \
947 	((*(_ah)->ah_getDfsThresh)((_ah), (_param)))
948 #define	ath_hal_procradarevent(_ah, _rxs, _fulltsf, _buf, _event) \
949 	((*(_ah)->ah_procRadarEvent)((_ah), (_rxs), (_fulltsf), (_buf), (_event)))
950 #define	ath_hal_is_fast_clock_enabled(_ah) \
951 	((*(_ah)->ah_isFastClockEnabled)((_ah)))
952 
953 #define ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
954         ((*(_ah)->ah_gpioCfgOutput)((_ah), (_gpio), (_type)))
955 #define ath_hal_gpioset(_ah, _gpio, _b) \
956         ((*(_ah)->ah_gpioSet)((_ah), (_gpio), (_b)))
957 #define ath_hal_gpioget(_ah, _gpio) \
958         ((*(_ah)->ah_gpioGet)((_ah), (_gpio)))
959 #define ath_hal_gpiosetintr(_ah, _gpio, _b) \
960         ((*(_ah)->ah_gpioSetIntr)((_ah), (_gpio), (_b)))
961 
962 #define ath_hal_radar_wait(_ah, _chan) \
963 	((*(_ah)->ah_radarWait)((_ah), (_chan)))
964 
965 #endif /* _DEV_ATH_ATHVAR_H */
966