if_athvar.h revision 238278
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 238278 2012-07-09 07:19:11Z 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	/*
111	 * Entry on the ath_txq; when there's traffic
112	 * to send
113	 */
114	TAILQ_ENTRY(ath_tid)	axq_qelem;
115	int			sched;
116	int			paused;	/* >0 if the TID has been paused */
117	int			addba_tx_pending;	/* TX ADDBA pending */
118	int			bar_wait;	/* waiting for BAR */
119	int			bar_tx;		/* BAR TXed */
120
121	/*
122	 * Is the TID being cleaned up after a transition
123	 * from aggregation to non-aggregation?
124	 * When this is set to 1, this TID will be paused
125	 * and no further traffic will be queued until all
126	 * the hardware packets pending for this TID have been
127	 * TXed/completed; at which point (non-aggregation)
128	 * traffic will resume being TXed.
129	 */
130	int			cleanup_inprogress;
131	/*
132	 * How many hardware-queued packets are
133	 * waiting to be cleaned up.
134	 * This is only valid if cleanup_inprogress is 1.
135	 */
136	int			incomp;
137
138	/*
139	 * The following implements a ring representing
140	 * the frames in the current BAW.
141	 * To avoid copying the array content each time
142	 * the BAW is moved, the baw_head/baw_tail point
143	 * to the current BAW begin/end; when the BAW is
144	 * shifted the head/tail of the array are also
145	 * appropriately shifted.
146	 */
147	/* active tx buffers, beginning at current BAW */
148	struct ath_buf		*tx_buf[ATH_TID_MAX_BUFS];
149	/* where the baw head is in the array */
150	int			baw_head;
151	/* where the BAW tail is in the array */
152	int			baw_tail;
153};
154
155/* driver-specific node state */
156struct ath_node {
157	struct ieee80211_node an_node;	/* base class */
158	u_int8_t	an_mgmtrix;	/* min h/w rate index */
159	u_int8_t	an_mcastrix;	/* mcast h/w rate index */
160	struct ath_buf	*an_ff_buf[WME_NUM_AC]; /* ff staging area */
161	struct ath_tid	an_tid[IEEE80211_TID_SIZE];	/* per-TID state */
162	char		an_name[32];	/* eg "wlan0_a1" */
163	struct mtx	an_mtx;		/* protecting the ath_node state */
164	/* variable-length rate control state follows */
165};
166#define	ATH_NODE(ni)	((struct ath_node *)(ni))
167#define	ATH_NODE_CONST(ni)	((const struct ath_node *)(ni))
168
169#define ATH_RSSI_LPF_LEN	10
170#define ATH_RSSI_DUMMY_MARKER	0x127
171#define ATH_EP_MUL(x, mul)	((x) * (mul))
172#define ATH_RSSI_IN(x)		(ATH_EP_MUL((x), HAL_RSSI_EP_MULTIPLIER))
173#define ATH_LPF_RSSI(x, y, len) \
174    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
175#define ATH_RSSI_LPF(x, y) do {						\
176    if ((y) >= -20)							\
177    	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);	\
178} while (0)
179#define	ATH_EP_RND(x,mul) \
180	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
181#define	ATH_RSSI(x)		ATH_EP_RND(x, HAL_RSSI_EP_MULTIPLIER)
182
183typedef enum {
184	ATH_BUFTYPE_NORMAL	= 0,
185	ATH_BUFTYPE_MGMT	= 1,
186} ath_buf_type_t;
187
188struct ath_buf {
189	TAILQ_ENTRY(ath_buf)	bf_list;
190	struct ath_buf *	bf_next;	/* next buffer in the aggregate */
191	int			bf_nseg;
192	uint16_t		bf_flags;	/* status flags (below) */
193	struct ath_desc		*bf_desc;	/* virtual addr of desc */
194	struct ath_desc_status	bf_status;	/* tx/rx status */
195	bus_addr_t		bf_daddr;	/* physical addr of desc */
196	bus_dmamap_t		bf_dmamap;	/* DMA map for mbuf chain */
197	struct mbuf		*bf_m;		/* mbuf for buf */
198	struct ieee80211_node	*bf_node;	/* pointer to the node */
199	struct ath_desc		*bf_lastds;	/* last descriptor for comp status */
200	struct ath_buf		*bf_last;	/* last buffer in aggregate, or self for non-aggregate */
201	bus_size_t		bf_mapsize;
202#define	ATH_MAX_SCATTER		ATH_TXDESC	/* max(tx,rx,beacon) desc's */
203	bus_dma_segment_t	bf_segs[ATH_MAX_SCATTER];
204
205	/* Completion function to call on TX complete (fail or not) */
206	/*
207	 * "fail" here is set to 1 if the queue entries were removed
208	 * through a call to ath_tx_draintxq().
209	 */
210	void(* bf_comp) (struct ath_softc *sc, struct ath_buf *bf, int fail);
211
212	/* This state is kept to support software retries and aggregation */
213	struct {
214		uint16_t bfs_seqno;	/* sequence number of this packet */
215		uint16_t bfs_ndelim;	/* number of delims for padding */
216
217		uint8_t bfs_retries;	/* retry count */
218		uint8_t bfs_tid;	/* packet TID (or TID_MAX for no QoS) */
219		uint8_t bfs_nframes;	/* number of frames in aggregate */
220		uint8_t bfs_pri;	/* packet AC priority */
221
222		struct ath_txq *bfs_txq;	/* eventual dest hardware TXQ */
223
224		u_int32_t bfs_aggr:1,		/* part of aggregate? */
225		    bfs_aggrburst:1,	/* part of aggregate burst? */
226		    bfs_isretried:1,	/* retried frame? */
227		    bfs_dobaw:1,	/* actually check against BAW? */
228		    bfs_addedbaw:1,	/* has been added to the BAW */
229		    bfs_shpream:1,	/* use short preamble */
230		    bfs_istxfrag:1,	/* is fragmented */
231		    bfs_ismrr:1,	/* do multi-rate TX retry */
232		    bfs_doprot:1,	/* do RTS/CTS based protection */
233		    bfs_doratelookup:1;	/* do rate lookup before each TX */
234
235		/*
236		 * These fields are passed into the
237		 * descriptor setup functions.
238		 */
239
240		/* Make this an 8 bit value? */
241		HAL_PKT_TYPE bfs_atype;	/* packet type */
242
243		uint32_t bfs_pktlen;	/* length of this packet */
244
245		uint16_t bfs_hdrlen;	/* length of this packet header */
246		uint16_t bfs_al;	/* length of aggregate */
247
248		uint16_t bfs_txflags;	/* HAL (tx) descriptor flags */
249		uint8_t bfs_txrate0;	/* first TX rate */
250		uint8_t bfs_try0;		/* first try count */
251
252		uint16_t bfs_txpower;	/* tx power */
253		uint8_t bfs_ctsrate0;	/* Non-zero - use this as ctsrate */
254		uint8_t bfs_ctsrate;	/* CTS rate */
255
256		/* 16 bit? */
257		int32_t bfs_keyix;		/* crypto key index */
258		int32_t bfs_txantenna;	/* TX antenna config */
259
260		/* Make this an 8 bit value? */
261		enum ieee80211_protmode bfs_protmode;
262
263		/* 16 bit? */
264		uint32_t bfs_ctsduration;	/* CTS duration (pre-11n NICs) */
265		struct ath_rc_series bfs_rc[ATH_RC_NUM];	/* non-11n TX series */
266	} bf_state;
267};
268typedef TAILQ_HEAD(ath_bufhead_s, ath_buf) ath_bufhead;
269
270#define	ATH_BUF_MGMT	0x00000001	/* (tx) desc is a mgmt desc */
271#define	ATH_BUF_BUSY	0x00000002	/* (tx) desc owned by h/w */
272
273/*
274 * DMA state for tx/rx descriptors.
275 */
276struct ath_descdma {
277	const char*		dd_name;
278	struct ath_desc		*dd_desc;	/* descriptors */
279	bus_addr_t		dd_desc_paddr;	/* physical addr of dd_desc */
280	bus_size_t		dd_desc_len;	/* size of dd_desc */
281	bus_dma_segment_t	dd_dseg;
282	bus_dma_tag_t		dd_dmat;	/* bus DMA tag */
283	bus_dmamap_t		dd_dmamap;	/* DMA map for descriptors */
284	struct ath_buf		*dd_bufptr;	/* associated buffers */
285};
286
287/*
288 * Data transmit queue state.  One of these exists for each
289 * hardware transmit queue.  Packets sent to us from above
290 * are assigned to queues based on their priority.  Not all
291 * devices support a complete set of hardware transmit queues.
292 * For those devices the array sc_ac2q will map multiple
293 * priorities to fewer hardware queues (typically all to one
294 * hardware queue).
295 */
296struct ath_txq {
297	struct ath_softc	*axq_softc;	/* Needed for scheduling */
298	u_int			axq_qnum;	/* hardware q number */
299#define	ATH_TXQ_SWQ	(HAL_NUM_TX_QUEUES+1)	/* qnum for s/w only queue */
300	u_int			axq_ac;		/* WME AC */
301	u_int			axq_flags;
302#define	ATH_TXQ_PUTPENDING	0x0001		/* ath_hal_puttxbuf pending */
303	u_int			axq_depth;	/* queue depth (stat only) */
304	u_int			axq_aggr_depth;	/* how many aggregates are queued */
305	u_int			axq_intrcnt;	/* interrupt count */
306	u_int32_t		*axq_link;	/* link ptr in last TX desc */
307	TAILQ_HEAD(axq_q_s, ath_buf)	axq_q;		/* transmit queue */
308	struct mtx		axq_lock;	/* lock on q and link */
309	char			axq_name[12];	/* e.g. "ath0_txq4" */
310
311	/* Per-TID traffic queue for software -> hardware TX */
312	TAILQ_HEAD(axq_t_s,ath_tid)	axq_tidq;
313};
314
315#define	ATH_NODE_LOCK(_an)		mtx_lock(&(_an)->an_mtx)
316#define	ATH_NODE_UNLOCK(_an)		mtx_unlock(&(_an)->an_mtx)
317#define	ATH_NODE_LOCK_ASSERT(_an)	mtx_assert(&(_an)->an_mtx, MA_OWNED)
318
319#define	ATH_TXQ_LOCK_INIT(_sc, _tq) do { \
320	snprintf((_tq)->axq_name, sizeof((_tq)->axq_name), "%s_txq%u", \
321		device_get_nameunit((_sc)->sc_dev), (_tq)->axq_qnum); \
322	mtx_init(&(_tq)->axq_lock, (_tq)->axq_name, NULL, MTX_DEF); \
323} while (0)
324#define	ATH_TXQ_LOCK_DESTROY(_tq)	mtx_destroy(&(_tq)->axq_lock)
325#define	ATH_TXQ_LOCK(_tq)		mtx_lock(&(_tq)->axq_lock)
326#define	ATH_TXQ_UNLOCK(_tq)		mtx_unlock(&(_tq)->axq_lock)
327#define	ATH_TXQ_LOCK_ASSERT(_tq)	mtx_assert(&(_tq)->axq_lock, MA_OWNED)
328#define	ATH_TXQ_IS_LOCKED(_tq)		mtx_owned(&(_tq)->axq_lock)
329
330#define	ATH_TID_LOCK_ASSERT(_sc, _tid)	\
331	    ATH_TXQ_LOCK_ASSERT((_sc)->sc_ac2q[(_tid)->ac])
332
333#define ATH_TXQ_INSERT_HEAD(_tq, _elm, _field) do { \
334	TAILQ_INSERT_HEAD(&(_tq)->axq_q, (_elm), _field); \
335	(_tq)->axq_depth++; \
336} while (0)
337#define ATH_TXQ_INSERT_TAIL(_tq, _elm, _field) do { \
338	TAILQ_INSERT_TAIL(&(_tq)->axq_q, (_elm), _field); \
339	(_tq)->axq_depth++; \
340} while (0)
341#define ATH_TXQ_REMOVE(_tq, _elm, _field) do { \
342	TAILQ_REMOVE(&(_tq)->axq_q, _elm, _field); \
343	(_tq)->axq_depth--; \
344} while (0)
345#define	ATH_TXQ_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->axq_q, _field)
346
347struct ath_vap {
348	struct ieee80211vap av_vap;	/* base class */
349	int		av_bslot;	/* beacon slot index */
350	struct ath_buf	*av_bcbuf;	/* beacon buffer */
351	struct ieee80211_beacon_offsets av_boff;/* dynamic update state */
352	struct ath_txq	av_mcastq;	/* buffered mcast s/w queue */
353
354	void		(*av_recv_mgmt)(struct ieee80211_node *,
355				struct mbuf *, int, int, int);
356	int		(*av_newstate)(struct ieee80211vap *,
357				enum ieee80211_state, int);
358	void		(*av_bmiss)(struct ieee80211vap *);
359};
360#define	ATH_VAP(vap)	((struct ath_vap *)(vap))
361
362struct taskqueue;
363struct ath_tx99;
364
365/*
366 * Whether to reset the TX/RX queue with or without
367 * a queue flush.
368 */
369typedef enum {
370	ATH_RESET_DEFAULT = 0,
371	ATH_RESET_NOLOSS = 1,
372	ATH_RESET_FULL = 2,
373} ATH_RESET_TYPE;
374
375struct ath_rx_methods {
376	void		(*recv_stop)(struct ath_softc *sc, int dodelay);
377	int		(*recv_start)(struct ath_softc *sc);
378	void		(*recv_flush)(struct ath_softc *sc);
379	void		(*recv_tasklet)(void *arg, int npending);
380	int		(*recv_rxbuf_init)(struct ath_softc *sc,
381			    struct ath_buf *bf);
382};
383
384struct ath_softc {
385	struct ifnet		*sc_ifp;	/* interface common */
386	struct ath_stats	sc_stats;	/* interface statistics */
387	struct ath_tx_aggr_stats	sc_aggr_stats;
388	struct ath_intr_stats	sc_intr_stats;
389	uint64_t		sc_debug;
390	int			sc_nvaps;	/* # vaps */
391	int			sc_nstavaps;	/* # station vaps */
392	int			sc_nmeshvaps;	/* # mbss vaps */
393	u_int8_t		sc_hwbssidmask[IEEE80211_ADDR_LEN];
394	u_int8_t		sc_nbssid0;	/* # vap's using base mac */
395	uint32_t		sc_bssidmask;	/* bssid mask */
396
397	struct ath_rx_methods	sc_rx;
398
399	void 			(*sc_node_cleanup)(struct ieee80211_node *);
400	void 			(*sc_node_free)(struct ieee80211_node *);
401	device_t		sc_dev;
402	HAL_BUS_TAG		sc_st;		/* bus space tag */
403	HAL_BUS_HANDLE		sc_sh;		/* bus space handle */
404	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
405	struct mtx		sc_mtx;		/* master lock (recursive) */
406	struct mtx		sc_pcu_mtx;	/* PCU access mutex */
407	char			sc_pcu_mtx_name[32];
408	struct taskqueue	*sc_tq;		/* private task queue */
409	struct ath_hal		*sc_ah;		/* Atheros HAL */
410	struct ath_ratectrl	*sc_rc;		/* tx rate control support */
411	struct ath_tx99		*sc_tx99;	/* tx99 adjunct state */
412	void			(*sc_setdefantenna)(struct ath_softc *, u_int);
413	unsigned int		sc_invalid  : 1,/* disable hardware accesses */
414				sc_mrretry  : 1,/* multi-rate retry support */
415				sc_softled  : 1,/* enable LED gpio status */
416				sc_hardled  : 1,/* enable MAC LED status */
417				sc_splitmic : 1,/* split TKIP MIC keys */
418				sc_needmib  : 1,/* enable MIB stats intr */
419				sc_diversity: 1,/* enable rx diversity */
420				sc_hasveol  : 1,/* tx VEOL support */
421				sc_ledstate : 1,/* LED on/off state */
422				sc_blinking : 1,/* LED blink operation active */
423				sc_mcastkey : 1,/* mcast key cache search */
424				sc_scanning : 1,/* scanning active */
425				sc_syncbeacon:1,/* sync/resync beacon timers */
426				sc_hasclrkey: 1,/* CLR key supported */
427				sc_xchanmode: 1,/* extended channel mode */
428				sc_outdoor  : 1,/* outdoor operation */
429				sc_dturbo   : 1,/* dynamic turbo in use */
430				sc_hasbmask : 1,/* bssid mask support */
431				sc_hasbmatch: 1,/* bssid match disable support*/
432				sc_hastsfadd: 1,/* tsf adjust support */
433				sc_beacons  : 1,/* beacons running */
434				sc_swbmiss  : 1,/* sta mode using sw bmiss */
435				sc_stagbeacons:1,/* use staggered beacons */
436				sc_wmetkipmic:1,/* can do WME+TKIP MIC */
437				sc_resume_up: 1,/* on resume, start all vaps */
438				sc_tdma	    : 1,/* TDMA in use */
439				sc_setcca   : 1,/* set/clr CCA with TDMA */
440				sc_resetcal : 1,/* reset cal state next trip */
441				sc_rxslink  : 1,/* do self-linked final descriptor */
442				sc_rxtsf32  : 1;/* RX dec TSF is 32 bits */
443	uint32_t		sc_eerd;	/* regdomain from EEPROM */
444	uint32_t		sc_eecc;	/* country code from EEPROM */
445						/* rate tables */
446	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
447	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
448	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
449	HAL_OPMODE		sc_opmode;	/* current operating mode */
450	u_int16_t		sc_curtxpow;	/* current tx power limit */
451	u_int16_t		sc_curaid;	/* current association id */
452	struct ieee80211_channel *sc_curchan;	/* current installed channel */
453	u_int8_t		sc_curbssid[IEEE80211_ADDR_LEN];
454	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
455	struct {
456		u_int8_t	ieeerate;	/* IEEE rate */
457		u_int8_t	rxflags;	/* radiotap rx flags */
458		u_int8_t	txflags;	/* radiotap tx flags */
459		u_int16_t	ledon;		/* softled on time */
460		u_int16_t	ledoff;		/* softled off time */
461	} sc_hwmap[32];				/* h/w rate ix mappings */
462	u_int8_t		sc_protrix;	/* protection rate index */
463	u_int8_t		sc_lastdatarix;	/* last data frame rate index */
464	u_int			sc_mcastrate;	/* ieee rate for mcastrateix */
465	u_int			sc_fftxqmin;	/* min frames before staging */
466	u_int			sc_fftxqmax;	/* max frames before drop */
467	u_int			sc_txantenna;	/* tx antenna (fixed or auto) */
468
469	HAL_INT			sc_imask;	/* interrupt mask copy */
470
471	/*
472	 * These are modified in the interrupt handler as well as
473	 * the task queues and other contexts. Thus these must be
474	 * protected by a mutex, or they could clash.
475	 *
476	 * For now, access to these is behind the ATH_LOCK,
477	 * just to save time.
478	 */
479	uint32_t		sc_txq_active;	/* bitmap of active TXQs */
480	uint32_t		sc_kickpcu;	/* whether to kick the PCU */
481	uint32_t		sc_rxproc_cnt;	/* In RX processing */
482	uint32_t		sc_txproc_cnt;	/* In TX processing */
483	uint32_t		sc_txstart_cnt;	/* In TX output (raw/start) */
484	uint32_t		sc_inreset_cnt;	/* In active reset/chanchange */
485	uint32_t		sc_txrx_cnt;	/* refcount on stop/start'ing TX */
486	uint32_t		sc_intr_cnt;	/* refcount on interrupt handling */
487
488	u_int			sc_keymax;	/* size of key cache */
489	u_int8_t		sc_keymap[ATH_KEYBYTES];/* key use bit map */
490
491	/*
492	 * Software based LED blinking
493	 */
494	u_int			sc_ledpin;	/* GPIO pin for driving LED */
495	u_int			sc_ledon;	/* pin setting for LED on */
496	u_int			sc_ledidle;	/* idle polling interval */
497	int			sc_ledevent;	/* time of last LED event */
498	u_int8_t		sc_txrix;	/* current tx rate for LED */
499	u_int16_t		sc_ledoff;	/* off time for current blink */
500	struct callout		sc_ledtimer;	/* led off timer */
501
502	/*
503	 * Hardware based LED blinking
504	 */
505	int			sc_led_pwr_pin;	/* MAC power LED GPIO pin */
506	int			sc_led_net_pin;	/* MAC network LED GPIO pin */
507
508	u_int			sc_rfsilentpin;	/* GPIO pin for rfkill int */
509	u_int			sc_rfsilentpol;	/* pin setting for rfkill on */
510
511	struct ath_descdma	sc_rxdma;	/* RX descriptors */
512	ath_bufhead		sc_rxbuf;	/* receive buffer */
513	struct mbuf		*sc_rxpending;	/* pending receive data */
514	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
515	struct task		sc_rxtask;	/* rx int processing */
516	u_int8_t		sc_defant;	/* current default antenna */
517	u_int8_t		sc_rxotherant;	/* rx's on non-default antenna*/
518	u_int64_t		sc_lastrx;	/* tsf at last rx'd frame */
519	struct ath_rx_status	*sc_lastrs;	/* h/w status of last rx */
520	struct ath_rx_radiotap_header sc_rx_th;
521	int			sc_rx_th_len;
522	u_int			sc_monpass;	/* frames to pass in mon.mode */
523
524	struct ath_descdma	sc_txdma;	/* TX descriptors */
525	ath_bufhead		sc_txbuf;	/* transmit buffer */
526	int			sc_txbuf_cnt;	/* how many buffers avail */
527	struct ath_descdma	sc_txdma_mgmt;	/* mgmt TX descriptors */
528	ath_bufhead		sc_txbuf_mgmt;	/* mgmt transmit buffer */
529	struct mtx		sc_txbuflock;	/* txbuf lock */
530	char			sc_txname[12];	/* e.g. "ath0_buf" */
531	u_int			sc_txqsetup;	/* h/w queues setup */
532	u_int			sc_txintrperiod;/* tx interrupt batching */
533	struct ath_txq		sc_txq[HAL_NUM_TX_QUEUES];
534	struct ath_txq		*sc_ac2q[5];	/* WME AC -> h/w q map */
535	struct task		sc_txtask;	/* tx int processing */
536	struct task		sc_txqtask;	/* tx proc processing */
537	int			sc_wd_timer;	/* count down for wd timer */
538	struct callout		sc_wd_ch;	/* tx watchdog timer */
539	struct ath_tx_radiotap_header sc_tx_th;
540	int			sc_tx_th_len;
541
542	struct ath_descdma	sc_bdma;	/* beacon descriptors */
543	ath_bufhead		sc_bbuf;	/* beacon buffers */
544	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
545	u_int			sc_bmisscount;	/* missed beacon transmits */
546	u_int32_t		sc_ant_tx[8];	/* recent tx frames/antenna */
547	struct ath_txq		*sc_cabq;	/* tx q for cab frames */
548	struct task		sc_bmisstask;	/* bmiss int processing */
549	struct task		sc_bstucktask;	/* stuck beacon processing */
550	struct task		sc_resettask;	/* interface reset task */
551	struct task		sc_fataltask;	/* fatal task */
552	enum {
553		OK,				/* no change needed */
554		UPDATE,				/* update pending */
555		COMMIT				/* beacon sent, commit change */
556	} sc_updateslot;			/* slot time update fsm */
557	int			sc_slotupdate;	/* slot to advance fsm */
558	struct ieee80211vap	*sc_bslot[ATH_BCBUF];
559	int			sc_nbcnvaps;	/* # vaps with beacons */
560
561	struct callout		sc_cal_ch;	/* callout handle for cals */
562	int			sc_lastlongcal;	/* last long cal completed */
563	int			sc_lastcalreset;/* last cal reset done */
564	int			sc_lastani;	/* last ANI poll */
565	int			sc_lastshortcal;	/* last short calibration */
566	HAL_BOOL		sc_doresetcal;	/* Yes, we're doing a reset cal atm */
567	HAL_NODE_STATS		sc_halstats;	/* station-mode rssi stats */
568	u_int			sc_tdmadbaprep;	/* TDMA DBA prep time */
569	u_int			sc_tdmaswbaprep;/* TDMA SWBA prep time */
570	u_int			sc_tdmaswba;	/* TDMA SWBA counter */
571	u_int32_t		sc_tdmabintval;	/* TDMA beacon interval (TU) */
572	u_int32_t		sc_tdmaguard;	/* TDMA guard time (usec) */
573	u_int			sc_tdmaslotlen;	/* TDMA slot length (usec) */
574	u_int32_t		sc_avgtsfdeltap;/* TDMA slot adjust (+) */
575	u_int32_t		sc_avgtsfdeltam;/* TDMA slot adjust (-) */
576	uint16_t		*sc_eepromdata;	/* Local eeprom data, if AR9100 */
577	int			sc_txchainmask;	/* currently configured TX chainmask */
578	int			sc_rxchainmask;	/* currently configured RX chainmask */
579	int			sc_rts_aggr_limit;	/* TX limit on RTS aggregates */
580
581	/* Queue limits */
582
583	/*
584	 * To avoid queue starvation in congested conditions,
585	 * these parameters tune the maximum number of frames
586	 * queued to the data/mcastq before they're dropped.
587	 *
588	 * This is to prevent:
589	 * + a single destination overwhelming everything, including
590	 *   management/multicast frames;
591	 * + multicast frames overwhelming everything (when the
592	 *   air is sufficiently busy that cabq can't drain.)
593	 *
594	 * These implement:
595	 * + data_minfree is the maximum number of free buffers
596	 *   overall to successfully allow a data frame.
597	 *
598	 * + mcastq_maxdepth is the maximum depth allowed of the cabq.
599	 */
600	int			sc_txq_data_minfree;
601	int			sc_txq_mcastq_maxdepth;
602
603	/*
604	 * Aggregation twiddles
605	 *
606	 * hwq_limit:	how busy to keep the hardware queue - don't schedule
607	 *		further packets to the hardware, regardless of the TID
608	 * tid_hwq_lo:	how low the per-TID hwq count has to be before the
609	 *		TID will be scheduled again
610	 * tid_hwq_hi:	how many frames to queue to the HWQ before the TID
611	 *		stops being scheduled.
612	 */
613	int			sc_hwq_limit;
614	int			sc_tid_hwq_lo;
615	int			sc_tid_hwq_hi;
616
617	/* DFS related state */
618	void			*sc_dfs;	/* Used by an optional DFS module */
619	int			sc_dodfs;	/* Whether to enable DFS rx filter bits */
620	struct task		sc_dfstask;	/* DFS processing task */
621
622	/* TX AMPDU handling */
623	int			(*sc_addba_request)(struct ieee80211_node *,
624				    struct ieee80211_tx_ampdu *, int, int, int);
625	int			(*sc_addba_response)(struct ieee80211_node *,
626				    struct ieee80211_tx_ampdu *, int, int, int);
627	void			(*sc_addba_stop)(struct ieee80211_node *,
628				    struct ieee80211_tx_ampdu *);
629	void			(*sc_addba_response_timeout)
630				    (struct ieee80211_node *,
631				    struct ieee80211_tx_ampdu *);
632	void			(*sc_bar_response)(struct ieee80211_node *ni,
633				    struct ieee80211_tx_ampdu *tap,
634				    int status);
635};
636
637#define	ATH_LOCK_INIT(_sc) \
638	mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
639		 NULL, MTX_DEF | MTX_RECURSE)
640#define	ATH_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_mtx)
641#define	ATH_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
642#define	ATH_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
643#define	ATH_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
644#define	ATH_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_NOTOWNED)
645
646/*
647 * The PCU lock is non-recursive and should be treated as a spinlock.
648 * Although currently the interrupt code is run in netisr context and
649 * doesn't require this, this may change in the future.
650 * Please keep this in mind when protecting certain code paths
651 * with the PCU lock.
652 *
653 * The PCU lock is used to serialise access to the PCU so things such
654 * as TX, RX, state change (eg channel change), channel reset and updates
655 * from interrupt context (eg kickpcu, txqactive bits) do not clash.
656 *
657 * Although the current single-thread taskqueue mechanism protects the
658 * majority of these situations by simply serialising them, there are
659 * a few others which occur at the same time. These include the TX path
660 * (which only acquires ATH_LOCK when recycling buffers to the free list),
661 * ath_set_channel, the channel scanning API and perhaps quite a bit more.
662 */
663#define	ATH_PCU_LOCK_INIT(_sc) do {\
664	snprintf((_sc)->sc_pcu_mtx_name,				\
665	    sizeof((_sc)->sc_pcu_mtx_name),				\
666	    "%s PCU lock",						\
667	    device_get_nameunit((_sc)->sc_dev));			\
668	mtx_init(&(_sc)->sc_pcu_mtx, (_sc)->sc_pcu_mtx_name,		\
669		 NULL, MTX_DEF);					\
670	} while (0)
671#define	ATH_PCU_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_pcu_mtx)
672#define	ATH_PCU_LOCK(_sc)		mtx_lock(&(_sc)->sc_pcu_mtx)
673#define	ATH_PCU_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_pcu_mtx)
674#define	ATH_PCU_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
675		MA_OWNED)
676#define	ATH_PCU_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
677		MA_NOTOWNED)
678
679#define	ATH_TXQ_SETUP(sc, i)	((sc)->sc_txqsetup & (1<<i))
680
681#define	ATH_TXBUF_LOCK_INIT(_sc) do { \
682	snprintf((_sc)->sc_txname, sizeof((_sc)->sc_txname), "%s_buf", \
683		device_get_nameunit((_sc)->sc_dev)); \
684	mtx_init(&(_sc)->sc_txbuflock, (_sc)->sc_txname, NULL, MTX_DEF); \
685} while (0)
686#define	ATH_TXBUF_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txbuflock)
687#define	ATH_TXBUF_LOCK(_sc)		mtx_lock(&(_sc)->sc_txbuflock)
688#define	ATH_TXBUF_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_txbuflock)
689#define	ATH_TXBUF_LOCK_ASSERT(_sc) \
690	mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)
691
692int	ath_attach(u_int16_t, struct ath_softc *);
693int	ath_detach(struct ath_softc *);
694void	ath_resume(struct ath_softc *);
695void	ath_suspend(struct ath_softc *);
696void	ath_shutdown(struct ath_softc *);
697void	ath_intr(void *);
698
699/*
700 * HAL definitions to comply with local coding convention.
701 */
702#define	ath_hal_detach(_ah) \
703	((*(_ah)->ah_detach)((_ah)))
704#define	ath_hal_reset(_ah, _opmode, _chan, _outdoor, _pstatus) \
705	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
706#define	ath_hal_macversion(_ah) \
707	(((_ah)->ah_macVersion << 4) | ((_ah)->ah_macRev))
708#define	ath_hal_getratetable(_ah, _mode) \
709	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
710#define	ath_hal_getmac(_ah, _mac) \
711	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
712#define	ath_hal_setmac(_ah, _mac) \
713	((*(_ah)->ah_setMacAddress)((_ah), (_mac)))
714#define	ath_hal_getbssidmask(_ah, _mask) \
715	((*(_ah)->ah_getBssIdMask)((_ah), (_mask)))
716#define	ath_hal_setbssidmask(_ah, _mask) \
717	((*(_ah)->ah_setBssIdMask)((_ah), (_mask)))
718#define	ath_hal_intrset(_ah, _mask) \
719	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
720#define	ath_hal_intrget(_ah) \
721	((*(_ah)->ah_getInterrupts)((_ah)))
722#define	ath_hal_intrpend(_ah) \
723	((*(_ah)->ah_isInterruptPending)((_ah)))
724#define	ath_hal_getisr(_ah, _pmask) \
725	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
726#define	ath_hal_updatetxtriglevel(_ah, _inc) \
727	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
728#define	ath_hal_setpower(_ah, _mode) \
729	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE))
730#define	ath_hal_keycachesize(_ah) \
731	((*(_ah)->ah_getKeyCacheSize)((_ah)))
732#define	ath_hal_keyreset(_ah, _ix) \
733	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
734#define	ath_hal_keyset(_ah, _ix, _pk, _mac) \
735	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), (_mac), AH_FALSE))
736#define	ath_hal_keyisvalid(_ah, _ix) \
737	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
738#define	ath_hal_keysetmac(_ah, _ix, _mac) \
739	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
740#define	ath_hal_getrxfilter(_ah) \
741	((*(_ah)->ah_getRxFilter)((_ah)))
742#define	ath_hal_setrxfilter(_ah, _filter) \
743	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
744#define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
745	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
746#define	ath_hal_waitforbeacon(_ah, _bf) \
747	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
748#define	ath_hal_putrxbuf(_ah, _bufaddr, _rxq) \
749	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr), (_rxq)))
750/* NB: common across all chips */
751#define	AR_TSF_L32	0x804c	/* MAC local clock lower 32 bits */
752#define	ath_hal_gettsf32(_ah) \
753	OS_REG_READ(_ah, AR_TSF_L32)
754#define	ath_hal_gettsf64(_ah) \
755	((*(_ah)->ah_getTsf64)((_ah)))
756#define	ath_hal_resettsf(_ah) \
757	((*(_ah)->ah_resetTsf)((_ah)))
758#define	ath_hal_rxena(_ah) \
759	((*(_ah)->ah_enableReceive)((_ah)))
760#define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
761	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
762#define	ath_hal_gettxbuf(_ah, _q) \
763	((*(_ah)->ah_getTxDP)((_ah), (_q)))
764#define	ath_hal_numtxpending(_ah, _q) \
765	((*(_ah)->ah_numTxPending)((_ah), (_q)))
766#define	ath_hal_getrxbuf(_ah, _rxq) \
767	((*(_ah)->ah_getRxDP)((_ah), (_rxq)))
768#define	ath_hal_txstart(_ah, _q) \
769	((*(_ah)->ah_startTxDma)((_ah), (_q)))
770#define	ath_hal_setchannel(_ah, _chan) \
771	((*(_ah)->ah_setChannel)((_ah), (_chan)))
772#define	ath_hal_calibrate(_ah, _chan, _iqcal) \
773	((*(_ah)->ah_perCalibration)((_ah), (_chan), (_iqcal)))
774#define	ath_hal_calibrateN(_ah, _chan, _lcal, _isdone) \
775	((*(_ah)->ah_perCalibrationN)((_ah), (_chan), 0x1, (_lcal), (_isdone)))
776#define	ath_hal_calreset(_ah, _chan) \
777	((*(_ah)->ah_resetCalValid)((_ah), (_chan)))
778#define	ath_hal_setledstate(_ah, _state) \
779	((*(_ah)->ah_setLedState)((_ah), (_state)))
780#define	ath_hal_beaconinit(_ah, _nextb, _bperiod) \
781	((*(_ah)->ah_beaconInit)((_ah), (_nextb), (_bperiod)))
782#define	ath_hal_beaconreset(_ah) \
783	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
784#define	ath_hal_beaconsettimers(_ah, _bt) \
785	((*(_ah)->ah_setBeaconTimers)((_ah), (_bt)))
786#define	ath_hal_beacontimers(_ah, _bs) \
787	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs)))
788#define	ath_hal_getnexttbtt(_ah) \
789	((*(_ah)->ah_getNextTBTT)((_ah)))
790#define	ath_hal_setassocid(_ah, _bss, _associd) \
791	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd)))
792#define	ath_hal_phydisable(_ah) \
793	((*(_ah)->ah_phyDisable)((_ah)))
794#define	ath_hal_setopmode(_ah) \
795	((*(_ah)->ah_setPCUConfig)((_ah)))
796#define	ath_hal_stoptxdma(_ah, _qnum) \
797	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
798#define	ath_hal_stoppcurecv(_ah) \
799	((*(_ah)->ah_stopPcuReceive)((_ah)))
800#define	ath_hal_startpcurecv(_ah) \
801	((*(_ah)->ah_startPcuReceive)((_ah)))
802#define	ath_hal_stopdmarecv(_ah) \
803	((*(_ah)->ah_stopDmaReceive)((_ah)))
804#define	ath_hal_getdiagstate(_ah, _id, _indata, _insize, _outdata, _outsize) \
805	((*(_ah)->ah_getDiagState)((_ah), (_id), \
806		(_indata), (_insize), (_outdata), (_outsize)))
807#define	ath_hal_getfatalstate(_ah, _outdata, _outsize) \
808	ath_hal_getdiagstate(_ah, 29, NULL, 0, (_outdata), _outsize)
809#define	ath_hal_setuptxqueue(_ah, _type, _irq) \
810	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
811#define	ath_hal_resettxqueue(_ah, _q) \
812	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
813#define	ath_hal_releasetxqueue(_ah, _q) \
814	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
815#define	ath_hal_gettxqueueprops(_ah, _q, _qi) \
816	((*(_ah)->ah_getTxQueueProps)((_ah), (_q), (_qi)))
817#define	ath_hal_settxqueueprops(_ah, _q, _qi) \
818	((*(_ah)->ah_setTxQueueProps)((_ah), (_q), (_qi)))
819/* NB: common across all chips */
820#define	AR_Q_TXE	0x0840	/* MAC Transmit Queue enable */
821#define	ath_hal_txqenabled(_ah, _qnum) \
822	(OS_REG_READ(_ah, AR_Q_TXE) & (1<<(_qnum)))
823#define	ath_hal_getrfgain(_ah) \
824	((*(_ah)->ah_getRfGain)((_ah)))
825#define	ath_hal_getdefantenna(_ah) \
826	((*(_ah)->ah_getDefAntenna)((_ah)))
827#define	ath_hal_setdefantenna(_ah, _ant) \
828	((*(_ah)->ah_setDefAntenna)((_ah), (_ant)))
829#define	ath_hal_rxmonitor(_ah, _arg, _chan) \
830	((*(_ah)->ah_rxMonitor)((_ah), (_arg), (_chan)))
831#define	ath_hal_ani_poll(_ah, _chan) \
832	((*(_ah)->ah_aniPoll)((_ah), (_chan)))
833#define	ath_hal_mibevent(_ah, _stats) \
834	((*(_ah)->ah_procMibEvent)((_ah), (_stats)))
835#define	ath_hal_setslottime(_ah, _us) \
836	((*(_ah)->ah_setSlotTime)((_ah), (_us)))
837#define	ath_hal_getslottime(_ah) \
838	((*(_ah)->ah_getSlotTime)((_ah)))
839#define	ath_hal_setacktimeout(_ah, _us) \
840	((*(_ah)->ah_setAckTimeout)((_ah), (_us)))
841#define	ath_hal_getacktimeout(_ah) \
842	((*(_ah)->ah_getAckTimeout)((_ah)))
843#define	ath_hal_setctstimeout(_ah, _us) \
844	((*(_ah)->ah_setCTSTimeout)((_ah), (_us)))
845#define	ath_hal_getctstimeout(_ah) \
846	((*(_ah)->ah_getCTSTimeout)((_ah)))
847#define	ath_hal_getcapability(_ah, _cap, _param, _result) \
848	((*(_ah)->ah_getCapability)((_ah), (_cap), (_param), (_result)))
849#define	ath_hal_setcapability(_ah, _cap, _param, _v, _status) \
850	((*(_ah)->ah_setCapability)((_ah), (_cap), (_param), (_v), (_status)))
851#define	ath_hal_ciphersupported(_ah, _cipher) \
852	(ath_hal_getcapability(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)
853#define	ath_hal_getregdomain(_ah, _prd) \
854	(ath_hal_getcapability(_ah, HAL_CAP_REG_DMN, 0, (_prd)) == HAL_OK)
855#define	ath_hal_setregdomain(_ah, _rd) \
856	ath_hal_setcapability(_ah, HAL_CAP_REG_DMN, 0, _rd, NULL)
857#define	ath_hal_getcountrycode(_ah, _pcc) \
858	(*(_pcc) = (_ah)->ah_countryCode)
859#define	ath_hal_gettkipmic(_ah) \
860	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_MIC, 1, NULL) == HAL_OK)
861#define	ath_hal_settkipmic(_ah, _v) \
862	ath_hal_setcapability(_ah, HAL_CAP_TKIP_MIC, 1, _v, NULL)
863#define	ath_hal_hastkipsplit(_ah) \
864	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 0, NULL) == HAL_OK)
865#define	ath_hal_gettkipsplit(_ah) \
866	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, NULL) == HAL_OK)
867#define	ath_hal_settkipsplit(_ah, _v) \
868	ath_hal_setcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, _v, NULL)
869#define	ath_hal_haswmetkipmic(_ah) \
870	(ath_hal_getcapability(_ah, HAL_CAP_WME_TKIPMIC, 0, NULL) == HAL_OK)
871#define	ath_hal_hwphycounters(_ah) \
872	(ath_hal_getcapability(_ah, HAL_CAP_PHYCOUNTERS, 0, NULL) == HAL_OK)
873#define	ath_hal_hasdiversity(_ah) \
874	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 0, NULL) == HAL_OK)
875#define	ath_hal_getdiversity(_ah) \
876	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK)
877#define	ath_hal_setdiversity(_ah, _v) \
878	ath_hal_setcapability(_ah, HAL_CAP_DIVERSITY, 1, _v, NULL)
879#define	ath_hal_getantennaswitch(_ah) \
880	((*(_ah)->ah_getAntennaSwitch)((_ah)))
881#define	ath_hal_setantennaswitch(_ah, _v) \
882	((*(_ah)->ah_setAntennaSwitch)((_ah), (_v)))
883#define	ath_hal_getdiag(_ah, _pv) \
884	(ath_hal_getcapability(_ah, HAL_CAP_DIAG, 0, _pv) == HAL_OK)
885#define	ath_hal_setdiag(_ah, _v) \
886	ath_hal_setcapability(_ah, HAL_CAP_DIAG, 0, _v, NULL)
887#define	ath_hal_getnumtxqueues(_ah, _pv) \
888	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXQUEUES, 0, _pv) == HAL_OK)
889#define	ath_hal_hasveol(_ah) \
890	(ath_hal_getcapability(_ah, HAL_CAP_VEOL, 0, NULL) == HAL_OK)
891#define	ath_hal_hastxpowlimit(_ah) \
892	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 0, NULL) == HAL_OK)
893#define	ath_hal_settxpowlimit(_ah, _pow) \
894	((*(_ah)->ah_setTxPowerLimit)((_ah), (_pow)))
895#define	ath_hal_gettxpowlimit(_ah, _ppow) \
896	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 1, _ppow) == HAL_OK)
897#define	ath_hal_getmaxtxpow(_ah, _ppow) \
898	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 2, _ppow) == HAL_OK)
899#define	ath_hal_gettpscale(_ah, _scale) \
900	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 3, _scale) == HAL_OK)
901#define	ath_hal_settpscale(_ah, _v) \
902	ath_hal_setcapability(_ah, HAL_CAP_TXPOW, 3, _v, NULL)
903#define	ath_hal_hastpc(_ah) \
904	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 0, NULL) == HAL_OK)
905#define	ath_hal_gettpc(_ah) \
906	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 1, NULL) == HAL_OK)
907#define	ath_hal_settpc(_ah, _v) \
908	ath_hal_setcapability(_ah, HAL_CAP_TPC, 1, _v, NULL)
909#define	ath_hal_hasbursting(_ah) \
910	(ath_hal_getcapability(_ah, HAL_CAP_BURST, 0, NULL) == HAL_OK)
911#define	ath_hal_setmcastkeysearch(_ah, _v) \
912	ath_hal_setcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, _v, NULL)
913#define	ath_hal_hasmcastkeysearch(_ah) \
914	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, NULL) == HAL_OK)
915#define	ath_hal_getmcastkeysearch(_ah) \
916	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 1, NULL) == HAL_OK)
917#define	ath_hal_hasfastframes(_ah) \
918	(ath_hal_getcapability(_ah, HAL_CAP_FASTFRAME, 0, NULL) == HAL_OK)
919#define	ath_hal_hasbssidmask(_ah) \
920	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMASK, 0, NULL) == HAL_OK)
921#define	ath_hal_hasbssidmatch(_ah) \
922	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMATCH, 0, NULL) == HAL_OK)
923#define	ath_hal_hastsfadjust(_ah) \
924	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 0, NULL) == HAL_OK)
925#define	ath_hal_gettsfadjust(_ah) \
926	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 1, NULL) == HAL_OK)
927#define	ath_hal_settsfadjust(_ah, _onoff) \
928	ath_hal_setcapability(_ah, HAL_CAP_TSF_ADJUST, 1, _onoff, NULL)
929#define	ath_hal_hasrfsilent(_ah) \
930	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 0, NULL) == HAL_OK)
931#define	ath_hal_getrfkill(_ah) \
932	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, NULL) == HAL_OK)
933#define	ath_hal_setrfkill(_ah, _onoff) \
934	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _onoff, NULL)
935#define	ath_hal_getrfsilent(_ah, _prfsilent) \
936	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 2, _prfsilent) == HAL_OK)
937#define	ath_hal_setrfsilent(_ah, _rfsilent) \
938	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 2, _rfsilent, NULL)
939#define	ath_hal_gettpack(_ah, _ptpack) \
940	(ath_hal_getcapability(_ah, HAL_CAP_TPC_ACK, 0, _ptpack) == HAL_OK)
941#define	ath_hal_settpack(_ah, _tpack) \
942	ath_hal_setcapability(_ah, HAL_CAP_TPC_ACK, 0, _tpack, NULL)
943#define	ath_hal_gettpcts(_ah, _ptpcts) \
944	(ath_hal_getcapability(_ah, HAL_CAP_TPC_CTS, 0, _ptpcts) == HAL_OK)
945#define	ath_hal_settpcts(_ah, _tpcts) \
946	ath_hal_setcapability(_ah, HAL_CAP_TPC_CTS, 0, _tpcts, NULL)
947#define	ath_hal_hasintmit(_ah) \
948	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
949	HAL_CAP_INTMIT_PRESENT, NULL) == HAL_OK)
950#define	ath_hal_getintmit(_ah) \
951	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
952	HAL_CAP_INTMIT_ENABLE, NULL) == HAL_OK)
953#define	ath_hal_setintmit(_ah, _v) \
954	ath_hal_setcapability(_ah, HAL_CAP_INTMIT, \
955	HAL_CAP_INTMIT_ENABLE, _v, NULL)
956#define	ath_hal_hasedma(_ah) \
957	(ath_hal_getcapability(_ah, HAL_CAP_ENHANCED_DMA_SUPPORT,	\
958	0, NULL) == HAL_OK)
959#define	ath_hal_getchannoise(_ah, _c) \
960	((*(_ah)->ah_getChanNoise)((_ah), (_c)))
961#define	ath_hal_getrxchainmask(_ah, _prxchainmask) \
962	(ath_hal_getcapability(_ah, HAL_CAP_RX_CHAINMASK, 0, _prxchainmask))
963#define	ath_hal_gettxchainmask(_ah, _ptxchainmask) \
964	(ath_hal_getcapability(_ah, HAL_CAP_TX_CHAINMASK, 0, _ptxchainmask))
965#define	ath_hal_setrxchainmask(_ah, _rx) \
966	(ath_hal_setcapability(_ah, HAL_CAP_RX_CHAINMASK, 1, _rx, NULL))
967#define	ath_hal_settxchainmask(_ah, _tx) \
968	(ath_hal_setcapability(_ah, HAL_CAP_TX_CHAINMASK, 1, _tx, NULL))
969#define	ath_hal_split4ktrans(_ah) \
970	(ath_hal_getcapability(_ah, HAL_CAP_SPLIT_4KB_TRANS, \
971	0, NULL) == HAL_OK)
972#define	ath_hal_self_linked_final_rxdesc(_ah) \
973	(ath_hal_getcapability(_ah, HAL_CAP_RXDESC_SELFLINK, \
974	0, NULL) == HAL_OK)
975#define	ath_hal_gtxto_supported(_ah) \
976	(ath_hal_getcapability(_ah, HAL_CAP_GTXTO, 0, NULL) == HAL_OK)
977#define	ath_hal_has_long_rxdesc_tsf(_ah) \
978	(ath_hal_getcapability(_ah, HAL_CAP_LONG_RXDESC_TSF, \
979	0, NULL) == HAL_OK)
980#define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
981	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
982#define	ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext, _rs) \
983	((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext), 0, (_rs)))
984#define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
985		_txr0, _txtr0, _keyix, _ant, _flags, \
986		_rtsrate, _rtsdura) \
987	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
988		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
989		(_flags), (_rtsrate), (_rtsdura), 0, 0, 0))
990#define	ath_hal_setupxtxdesc(_ah, _ds, \
991		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
992	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), \
993		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
994#define	ath_hal_filltxdesc(_ah, _ds, _l, _first, _last, _ds0) \
995	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_l), (_first), (_last), (_ds0)))
996#define	ath_hal_txprocdesc(_ah, _ds, _ts) \
997	((*(_ah)->ah_procTxDesc)((_ah), (_ds), (_ts)))
998#define	ath_hal_gettxintrtxqs(_ah, _txqs) \
999	((*(_ah)->ah_getTxIntrQueue)((_ah), (_txqs)))
1000#define ath_hal_gettxcompletionrates(_ah, _ds, _rates, _tries) \
1001	((*(_ah)->ah_getTxCompletionRates)((_ah), (_ds), (_rates), (_tries)))
1002
1003#define	ath_hal_setupfirsttxdesc(_ah, _ds, _aggrlen, _flags, _txpower, \
1004		_txr0, _txtr0, _antm, _rcr, _rcd) \
1005	((*(_ah)->ah_setupFirstTxDesc)((_ah), (_ds), (_aggrlen), (_flags), \
1006	(_txpower), (_txr0), (_txtr0), (_antm), (_rcr), (_rcd)))
1007#define	ath_hal_chaintxdesc(_ah, _ds, _pktlen, _hdrlen, _type, _keyix, \
1008	_cipher, _delims, _seglen, _first, _last, _lastaggr) \
1009	((*(_ah)->ah_chainTxDesc)((_ah), (_ds), (_pktlen), (_hdrlen), \
1010	(_type), (_keyix), (_cipher), (_delims), (_seglen), \
1011	(_first), (_last), (_lastaggr)))
1012#define	ath_hal_setuplasttxdesc(_ah, _ds, _ds0) \
1013	((*(_ah)->ah_setupLastTxDesc)((_ah), (_ds), (_ds0)))
1014
1015#define	ath_hal_set11nratescenario(_ah, _ds, _dur, _rt, _series, _ns, _flags) \
1016	((*(_ah)->ah_set11nRateScenario)((_ah), (_ds), (_dur), (_rt), \
1017	(_series), (_ns), (_flags)))
1018
1019#define	ath_hal_set11n_aggr_first(_ah, _ds, _len, _num) \
1020	((*(_ah)->ah_set11nAggrFirst)((_ah), (_ds), (_len), (_num)))
1021#define	ath_hal_set11naggrmiddle(_ah, _ds, _num) \
1022	((*(_ah)->ah_set11nAggrMiddle)((_ah), (_ds), (_num)))
1023#define	ath_hal_set11n_aggr_last(_ah, _ds) \
1024	((*(_ah)->ah_set11nAggrLast)((_ah), (_ds)))
1025
1026#define	ath_hal_set11nburstduration(_ah, _ds, _dur) \
1027	((*(_ah)->ah_set11nBurstDuration)((_ah), (_ds), (_dur)))
1028#define	ath_hal_clr11n_aggr(_ah, _ds) \
1029	((*(_ah)->ah_clr11nAggr)((_ah), (_ds)))
1030
1031#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
1032	((*(_ah)->ah_gpioCfgOutput)((_ah), (_gpio), (_type)))
1033#define	ath_hal_gpioset(_ah, _gpio, _b) \
1034	((*(_ah)->ah_gpioSet)((_ah), (_gpio), (_b)))
1035#define	ath_hal_gpioget(_ah, _gpio) \
1036	((*(_ah)->ah_gpioGet)((_ah), (_gpio)))
1037#define	ath_hal_gpiosetintr(_ah, _gpio, _b) \
1038	((*(_ah)->ah_gpioSetIntr)((_ah), (_gpio), (_b)))
1039
1040/*
1041 * PCIe suspend/resume/poweron/poweroff related macros
1042 */
1043#define	ath_hal_enablepcie(_ah, _restore, _poweroff) \
1044	((*(_ah)->ah_configPCIE)((_ah), (_restore), (_poweroff)))
1045#define	ath_hal_disablepcie(_ah) \
1046	((*(_ah)->ah_disablePCIE)((_ah)))
1047
1048/*
1049 * This is badly-named; you need to set the correct parameters
1050 * to begin to receive useful radar events; and even then
1051 * it doesn't "enable" DFS. See the ath_dfs/null/ module for
1052 * more information.
1053 */
1054#define	ath_hal_enabledfs(_ah, _param) \
1055	((*(_ah)->ah_enableDfs)((_ah), (_param)))
1056#define	ath_hal_getdfsthresh(_ah, _param) \
1057	((*(_ah)->ah_getDfsThresh)((_ah), (_param)))
1058#define	ath_hal_procradarevent(_ah, _rxs, _fulltsf, _buf, _event) \
1059	((*(_ah)->ah_procRadarEvent)((_ah), (_rxs), (_fulltsf), \
1060	(_buf), (_event)))
1061#define	ath_hal_is_fast_clock_enabled(_ah) \
1062	((*(_ah)->ah_isFastClockEnabled)((_ah)))
1063#define	ath_hal_radar_wait(_ah, _chan) \
1064	((*(_ah)->ah_radarWait)((_ah), (_chan)))
1065#define	ath_hal_get_mib_cycle_counts(_ah, _sample) \
1066	((*(_ah)->ah_getMibCycleCounts)((_ah), (_sample)))
1067#define	ath_hal_get_chan_ext_busy(_ah) \
1068	((*(_ah)->ah_get11nExtBusy)((_ah)))
1069
1070#endif /* _DEV_ATH_ATHVAR_H */
1071