1/*-
2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer,
10 *    without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13 *    redistribution must be conditioned upon including a substantially
14 *    similar Disclaimer requirement for further binary redistribution.
15 *
16 * NO WARRANTY
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27 * THE POSSIBILITY OF SUCH DAMAGES.
28 *
29 * $FreeBSD$
30 */
31
32/*
33 * Defintions for the Atheros Wireless LAN controller driver.
34 */
35#ifndef _DEV_ATH_ATHVAR_H
36#define _DEV_ATH_ATHVAR_H
37
38#include <machine/atomic.h>
39
40#include <dev/ath/ath_hal/ah.h>
41#include <dev/ath/ath_hal/ah_desc.h>
42#include <net80211/ieee80211_radiotap.h>
43#include <dev/ath/if_athioctl.h>
44#include <dev/ath/if_athrate.h>
45#ifdef	ATH_DEBUG_ALQ
46#include <dev/ath/if_ath_alq.h>
47#endif
48
49#define	ATH_TIMEOUT		1000
50
51/*
52 * There is a separate TX ath_buf pool for management frames.
53 * This ensures that management frames such as probe responses
54 * and BAR frames can be transmitted during periods of high
55 * TX activity.
56 */
57#define	ATH_MGMT_TXBUF		32
58
59/*
60 * 802.11n requires more TX and RX buffers to do AMPDU.
61 */
62#ifdef	ATH_ENABLE_11N
63#define	ATH_TXBUF	512
64#define	ATH_RXBUF	512
65#endif
66
67#ifndef ATH_RXBUF
68#define	ATH_RXBUF	40		/* number of RX buffers */
69#endif
70#ifndef ATH_TXBUF
71#define	ATH_TXBUF	200		/* number of TX buffers */
72#endif
73#define	ATH_BCBUF	4		/* number of beacon buffers */
74
75#define	ATH_TXDESC	10		/* number of descriptors per buffer */
76#define	ATH_TXMAXTRY	11		/* max number of transmit attempts */
77#define	ATH_TXMGTTRY	4		/* xmit attempts for mgt/ctl frames */
78#define	ATH_TXINTR_PERIOD 5		/* max number of batched tx descriptors */
79
80#define	ATH_BEACON_AIFS_DEFAULT	 1	/* default aifs for ap beacon q */
81#define	ATH_BEACON_CWMIN_DEFAULT 0	/* default cwmin for ap beacon q */
82#define	ATH_BEACON_CWMAX_DEFAULT 0	/* default cwmax for ap beacon q */
83
84/*
85 * The following bits can be set during the PCI (and perhaps non-PCI
86 * later) device probe path.
87 *
88 * It controls some of the driver and HAL behaviour.
89 */
90
91#define	ATH_PCI_CUS198		0x0001
92#define	ATH_PCI_CUS230		0x0002
93#define	ATH_PCI_CUS217		0x0004
94#define	ATH_PCI_CUS252		0x0008
95#define	ATH_PCI_WOW		0x0010
96#define	ATH_PCI_BT_ANT_DIV	0x0020
97#define	ATH_PCI_D3_L1_WAR	0x0040
98#define	ATH_PCI_AR9565_1ANT	0x0080
99#define	ATH_PCI_AR9565_2ANT	0x0100
100#define	ATH_PCI_NO_PLL_PWRSAVE	0x0200
101#define	ATH_PCI_KILLER		0x0400
102
103/*
104 * The key cache is used for h/w cipher state and also for
105 * tracking station state such as the current tx antenna.
106 * We also setup a mapping table between key cache slot indices
107 * and station state to short-circuit node lookups on rx.
108 * Different parts have different size key caches.  We handle
109 * up to ATH_KEYMAX entries (could dynamically allocate state).
110 */
111#define	ATH_KEYMAX	128		/* max key cache size we handle */
112#define	ATH_KEYBYTES	(ATH_KEYMAX/NBBY)	/* storage space in bytes */
113
114struct taskqueue;
115struct kthread;
116struct ath_buf;
117
118#define	ATH_TID_MAX_BUFS	(2 * IEEE80211_AGGR_BAWMAX)
119
120/*
121 * Per-TID state
122 *
123 * Note that TID 16 (WME_NUM_TID+1) is for handling non-QoS frames.
124 */
125struct ath_tid {
126	TAILQ_HEAD(,ath_buf)	tid_q;		/* pending buffers */
127	struct ath_node		*an;		/* pointer to parent */
128	int			tid;		/* tid */
129	int			ac;		/* which AC gets this traffic */
130	int			hwq_depth;	/* how many buffers are on HW */
131	u_int			axq_depth;	/* SW queue depth */
132
133	struct {
134		TAILQ_HEAD(,ath_buf)	tid_q;		/* filtered queue */
135		u_int			axq_depth;	/* SW queue depth */
136	} filtq;
137
138	/*
139	 * Entry on the ath_txq; when there's traffic
140	 * to send
141	 */
142	TAILQ_ENTRY(ath_tid)	axq_qelem;
143	int			sched;
144	int			paused;	/* >0 if the TID has been paused */
145
146	/*
147	 * These are flags - perhaps later collapse
148	 * down to a single uint32_t ?
149	 */
150	int			addba_tx_pending;	/* TX ADDBA pending */
151	int			bar_wait;	/* waiting for BAR */
152	int			bar_tx;		/* BAR TXed */
153	int			isfiltered;	/* is this node currently filtered */
154
155	/*
156	 * Is the TID being cleaned up after a transition
157	 * from aggregation to non-aggregation?
158	 * When this is set to 1, this TID will be paused
159	 * and no further traffic will be queued until all
160	 * the hardware packets pending for this TID have been
161	 * TXed/completed; at which point (non-aggregation)
162	 * traffic will resume being TXed.
163	 */
164	int			cleanup_inprogress;
165	/*
166	 * How many hardware-queued packets are
167	 * waiting to be cleaned up.
168	 * This is only valid if cleanup_inprogress is 1.
169	 */
170	int			incomp;
171
172	/*
173	 * The following implements a ring representing
174	 * the frames in the current BAW.
175	 * To avoid copying the array content each time
176	 * the BAW is moved, the baw_head/baw_tail point
177	 * to the current BAW begin/end; when the BAW is
178	 * shifted the head/tail of the array are also
179	 * appropriately shifted.
180	 */
181	/* active tx buffers, beginning at current BAW */
182	struct ath_buf		*tx_buf[ATH_TID_MAX_BUFS];
183	/* where the baw head is in the array */
184	int			baw_head;
185	/* where the BAW tail is in the array */
186	int			baw_tail;
187};
188
189/* driver-specific node state */
190struct ath_node {
191	struct ieee80211_node an_node;	/* base class */
192	u_int8_t	an_mgmtrix;	/* min h/w rate index */
193	u_int8_t	an_mcastrix;	/* mcast h/w rate index */
194	uint32_t	an_is_powersave;	/* node is sleeping */
195	uint32_t	an_stack_psq;		/* net80211 psq isn't empty */
196	uint32_t	an_tim_set;		/* TIM has been set */
197	struct ath_buf	*an_ff_buf[WME_NUM_AC]; /* ff staging area */
198	struct ath_tid	an_tid[IEEE80211_TID_SIZE];	/* per-TID state */
199	char		an_name[32];	/* eg "wlan0_a1" */
200	struct mtx	an_mtx;		/* protecting the rate control state */
201	uint32_t	an_swq_depth;	/* how many SWQ packets for this
202					   node */
203	int			clrdmask;	/* has clrdmask been set */
204	uint32_t	an_leak_count;	/* How many frames to leak during pause */
205	/* variable-length rate control state follows */
206};
207#define	ATH_NODE(ni)	((struct ath_node *)(ni))
208#define	ATH_NODE_CONST(ni)	((const struct ath_node *)(ni))
209
210#define ATH_RSSI_LPF_LEN	10
211#define ATH_RSSI_DUMMY_MARKER	0x127
212#define ATH_EP_MUL(x, mul)	((x) * (mul))
213#define ATH_RSSI_IN(x)		(ATH_EP_MUL((x), HAL_RSSI_EP_MULTIPLIER))
214#define ATH_LPF_RSSI(x, y, len) \
215    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
216#define ATH_RSSI_LPF(x, y) do {						\
217    if ((y) >= -20)							\
218    	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);	\
219} while (0)
220#define	ATH_EP_RND(x,mul) \
221	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
222#define	ATH_RSSI(x)		ATH_EP_RND(x, HAL_RSSI_EP_MULTIPLIER)
223
224typedef enum {
225	ATH_BUFTYPE_NORMAL	= 0,
226	ATH_BUFTYPE_MGMT	= 1,
227} ath_buf_type_t;
228
229struct ath_buf {
230	TAILQ_ENTRY(ath_buf)	bf_list;
231	struct ath_buf *	bf_next;	/* next buffer in the aggregate */
232	int			bf_nseg;
233	HAL_STATUS		bf_rxstatus;
234	uint16_t		bf_flags;	/* status flags (below) */
235	uint16_t		bf_descid;	/* 16 bit descriptor ID */
236	struct ath_desc		*bf_desc;	/* virtual addr of desc */
237	struct ath_desc_status	bf_status;	/* tx/rx status */
238	bus_addr_t		bf_daddr;	/* physical addr of desc */
239	bus_dmamap_t		bf_dmamap;	/* DMA map for mbuf chain */
240	struct mbuf		*bf_m;		/* mbuf for buf */
241	struct ieee80211_node	*bf_node;	/* pointer to the node */
242	struct ath_desc		*bf_lastds;	/* last descriptor for comp status */
243	struct ath_buf		*bf_last;	/* last buffer in aggregate, or self for non-aggregate */
244	bus_size_t		bf_mapsize;
245#define	ATH_MAX_SCATTER		ATH_TXDESC	/* max(tx,rx,beacon) desc's */
246	bus_dma_segment_t	bf_segs[ATH_MAX_SCATTER];
247	uint32_t		bf_nextfraglen;	/* length of next fragment */
248
249	/* Completion function to call on TX complete (fail or not) */
250	/*
251	 * "fail" here is set to 1 if the queue entries were removed
252	 * through a call to ath_tx_draintxq().
253	 */
254	void(* bf_comp) (struct ath_softc *sc, struct ath_buf *bf, int fail);
255
256	/* This state is kept to support software retries and aggregation */
257	struct {
258		uint16_t bfs_seqno;	/* sequence number of this packet */
259		uint16_t bfs_ndelim;	/* number of delims for padding */
260
261		uint8_t bfs_retries;	/* retry count */
262		uint8_t bfs_tid;	/* packet TID (or TID_MAX for no QoS) */
263		uint8_t bfs_nframes;	/* number of frames in aggregate */
264		uint8_t bfs_pri;	/* packet AC priority */
265		uint8_t bfs_tx_queue;	/* destination hardware TX queue */
266
267		u_int32_t bfs_aggr:1,		/* part of aggregate? */
268		    bfs_aggrburst:1,	/* part of aggregate burst? */
269		    bfs_isretried:1,	/* retried frame? */
270		    bfs_dobaw:1,	/* actually check against BAW? */
271		    bfs_addedbaw:1,	/* has been added to the BAW */
272		    bfs_shpream:1,	/* use short preamble */
273		    bfs_istxfrag:1,	/* is fragmented */
274		    bfs_ismrr:1,	/* do multi-rate TX retry */
275		    bfs_doprot:1,	/* do RTS/CTS based protection */
276		    bfs_doratelookup:1;	/* do rate lookup before each TX */
277
278		/*
279		 * These fields are passed into the
280		 * descriptor setup functions.
281		 */
282
283		/* Make this an 8 bit value? */
284		HAL_PKT_TYPE bfs_atype;	/* packet type */
285
286		uint32_t bfs_pktlen;	/* length of this packet */
287
288		uint16_t bfs_hdrlen;	/* length of this packet header */
289		uint16_t bfs_al;	/* length of aggregate */
290
291		uint16_t bfs_txflags;	/* HAL (tx) descriptor flags */
292		uint8_t bfs_txrate0;	/* first TX rate */
293		uint8_t bfs_try0;		/* first try count */
294
295		uint16_t bfs_txpower;	/* tx power */
296		uint8_t bfs_ctsrate0;	/* Non-zero - use this as ctsrate */
297		uint8_t bfs_ctsrate;	/* CTS rate */
298
299		/* 16 bit? */
300		int32_t bfs_keyix;		/* crypto key index */
301		int32_t bfs_txantenna;	/* TX antenna config */
302
303		/* Make this an 8 bit value? */
304		enum ieee80211_protmode bfs_protmode;
305
306		/* 16 bit? */
307		uint32_t bfs_ctsduration;	/* CTS duration (pre-11n NICs) */
308		struct ath_rc_series bfs_rc[ATH_RC_NUM];	/* non-11n TX series */
309	} bf_state;
310};
311typedef TAILQ_HEAD(ath_bufhead_s, ath_buf) ath_bufhead;
312
313#define	ATH_BUF_MGMT	0x00000001	/* (tx) desc is a mgmt desc */
314#define	ATH_BUF_BUSY	0x00000002	/* (tx) desc owned by h/w */
315#define	ATH_BUF_FIFOEND	0x00000004
316#define	ATH_BUF_FIFOPTR	0x00000008
317
318#define	ATH_BUF_FLAGS_CLONE	(ATH_BUF_MGMT)
319
320/*
321 * DMA state for tx/rx descriptors.
322 */
323struct ath_descdma {
324	const char*		dd_name;
325	struct ath_desc		*dd_desc;	/* descriptors */
326	int			dd_descsize;	/* size of single descriptor */
327	bus_addr_t		dd_desc_paddr;	/* physical addr of dd_desc */
328	bus_size_t		dd_desc_len;	/* size of dd_desc */
329	bus_dma_segment_t	dd_dseg;
330	bus_dma_tag_t		dd_dmat;	/* bus DMA tag */
331	bus_dmamap_t		dd_dmamap;	/* DMA map for descriptors */
332	struct ath_buf		*dd_bufptr;	/* associated buffers */
333};
334
335/*
336 * Data transmit queue state.  One of these exists for each
337 * hardware transmit queue.  Packets sent to us from above
338 * are assigned to queues based on their priority.  Not all
339 * devices support a complete set of hardware transmit queues.
340 * For those devices the array sc_ac2q will map multiple
341 * priorities to fewer hardware queues (typically all to one
342 * hardware queue).
343 */
344struct ath_txq {
345	struct ath_softc	*axq_softc;	/* Needed for scheduling */
346	u_int			axq_qnum;	/* hardware q number */
347#define	ATH_TXQ_SWQ	(HAL_NUM_TX_QUEUES+1)	/* qnum for s/w only queue */
348	u_int			axq_ac;		/* WME AC */
349	u_int			axq_flags;
350//#define	ATH_TXQ_PUTPENDING	0x0001		/* ath_hal_puttxbuf pending */
351#define	ATH_TXQ_PUTRUNNING	0x0002		/* ath_hal_puttxbuf has been called */
352	u_int			axq_depth;	/* queue depth (stat only) */
353	u_int			axq_aggr_depth;	/* how many aggregates are queued */
354	u_int			axq_intrcnt;	/* interrupt count */
355	u_int32_t		*axq_link;	/* link ptr in last TX desc */
356	TAILQ_HEAD(axq_q_s, ath_buf)	axq_q;		/* transmit queue */
357	struct mtx		axq_lock;	/* lock on q and link */
358
359	/*
360	 * This is the FIFO staging buffer when doing EDMA.
361	 *
362	 * For legacy chips, we just push the head pointer to
363	 * the hardware and we ignore this list.
364	 *
365	 * For EDMA, the staging buffer is treated as normal;
366	 * when it's time to push a list of frames to the hardware
367	 * we move that list here and we stamp buffers with
368	 * flags to identify the beginning/end of that particular
369	 * FIFO entry.
370	 */
371	struct {
372		TAILQ_HEAD(axq_q_f_s, ath_buf)	axq_q;
373		u_int				axq_depth;	/* how many frames (1 per legacy, 1 per A-MPDU list) are in the FIFO queue */
374	} fifo;
375	u_int			axq_fifo_depth;	/* how many FIFO slots are active */
376
377	/*
378	 * XXX the holdingbf field is protected by the TXBUF lock
379	 * for now, NOT the TXQ lock.
380	 *
381	 * Architecturally, it would likely be better to move
382	 * the holdingbf field to a separate array in ath_softc
383	 * just to highlight that it's not protected by the normal
384	 * TX path lock.
385	 */
386	struct ath_buf		*axq_holdingbf;	/* holding TX buffer */
387	char			axq_name[12];	/* e.g. "ath0_txq4" */
388
389	/* Per-TID traffic queue for software -> hardware TX */
390	/*
391	 * This is protected by the general TX path lock, not (for now)
392	 * by the TXQ lock.
393	 */
394	TAILQ_HEAD(axq_t_s,ath_tid)	axq_tidq;
395};
396
397#define	ATH_TXQ_LOCK_INIT(_sc, _tq) do { \
398	    snprintf((_tq)->axq_name, sizeof((_tq)->axq_name), "%s_txq%u", \
399	      device_get_nameunit((_sc)->sc_dev), (_tq)->axq_qnum); \
400	    mtx_init(&(_tq)->axq_lock, (_tq)->axq_name, NULL, MTX_DEF); \
401	} while (0)
402#define	ATH_TXQ_LOCK_DESTROY(_tq)	mtx_destroy(&(_tq)->axq_lock)
403#define	ATH_TXQ_LOCK(_tq)		mtx_lock(&(_tq)->axq_lock)
404#define	ATH_TXQ_UNLOCK(_tq)		mtx_unlock(&(_tq)->axq_lock)
405#define	ATH_TXQ_LOCK_ASSERT(_tq)	mtx_assert(&(_tq)->axq_lock, MA_OWNED)
406#define	ATH_TXQ_UNLOCK_ASSERT(_tq)	mtx_assert(&(_tq)->axq_lock,	\
407					    MA_NOTOWNED)
408
409
410#define	ATH_NODE_LOCK(_an)		mtx_lock(&(_an)->an_mtx)
411#define	ATH_NODE_UNLOCK(_an)		mtx_unlock(&(_an)->an_mtx)
412#define	ATH_NODE_LOCK_ASSERT(_an)	mtx_assert(&(_an)->an_mtx, MA_OWNED)
413#define	ATH_NODE_UNLOCK_ASSERT(_an)	mtx_assert(&(_an)->an_mtx,	\
414					    MA_NOTOWNED)
415
416/*
417 * These are for the hardware queue.
418 */
419#define ATH_TXQ_INSERT_HEAD(_tq, _elm, _field) do { \
420	TAILQ_INSERT_HEAD(&(_tq)->axq_q, (_elm), _field); \
421	(_tq)->axq_depth++; \
422} while (0)
423#define ATH_TXQ_INSERT_TAIL(_tq, _elm, _field) do { \
424	TAILQ_INSERT_TAIL(&(_tq)->axq_q, (_elm), _field); \
425	(_tq)->axq_depth++; \
426} while (0)
427#define ATH_TXQ_REMOVE(_tq, _elm, _field) do { \
428	TAILQ_REMOVE(&(_tq)->axq_q, _elm, _field); \
429	(_tq)->axq_depth--; \
430} while (0)
431#define	ATH_TXQ_FIRST(_tq)		TAILQ_FIRST(&(_tq)->axq_q)
432#define	ATH_TXQ_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->axq_q, _field)
433
434/*
435 * These are for the TID software queue.
436 */
437#define ATH_TID_INSERT_HEAD(_tq, _elm, _field) do { \
438	TAILQ_INSERT_HEAD(&(_tq)->tid_q, (_elm), _field); \
439	(_tq)->axq_depth++; \
440	(_tq)->an->an_swq_depth++; \
441} while (0)
442#define ATH_TID_INSERT_TAIL(_tq, _elm, _field) do { \
443	TAILQ_INSERT_TAIL(&(_tq)->tid_q, (_elm), _field); \
444	(_tq)->axq_depth++; \
445	(_tq)->an->an_swq_depth++; \
446} while (0)
447#define ATH_TID_REMOVE(_tq, _elm, _field) do { \
448	TAILQ_REMOVE(&(_tq)->tid_q, _elm, _field); \
449	(_tq)->axq_depth--; \
450	(_tq)->an->an_swq_depth--; \
451} while (0)
452#define	ATH_TID_FIRST(_tq)		TAILQ_FIRST(&(_tq)->tid_q)
453#define	ATH_TID_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->tid_q, _field)
454
455/*
456 * These are for the TID filtered frame queue
457 */
458#define ATH_TID_FILT_INSERT_HEAD(_tq, _elm, _field) do { \
459	TAILQ_INSERT_HEAD(&(_tq)->filtq.tid_q, (_elm), _field); \
460	(_tq)->axq_depth++; \
461	(_tq)->an->an_swq_depth++; \
462} while (0)
463#define ATH_TID_FILT_INSERT_TAIL(_tq, _elm, _field) do { \
464	TAILQ_INSERT_TAIL(&(_tq)->filtq.tid_q, (_elm), _field); \
465	(_tq)->axq_depth++; \
466	(_tq)->an->an_swq_depth++; \
467} while (0)
468#define ATH_TID_FILT_REMOVE(_tq, _elm, _field) do { \
469	TAILQ_REMOVE(&(_tq)->filtq.tid_q, _elm, _field); \
470	(_tq)->axq_depth--; \
471	(_tq)->an->an_swq_depth--; \
472} while (0)
473#define	ATH_TID_FILT_FIRST(_tq)		TAILQ_FIRST(&(_tq)->filtq.tid_q)
474#define	ATH_TID_FILT_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->filtq.tid_q,_field)
475
476struct ath_vap {
477	struct ieee80211vap av_vap;	/* base class */
478	int		av_bslot;	/* beacon slot index */
479	struct ath_buf	*av_bcbuf;	/* beacon buffer */
480	struct ath_txq	av_mcastq;	/* buffered mcast s/w queue */
481
482	void		(*av_recv_mgmt)(struct ieee80211_node *,
483				struct mbuf *, int,
484				const struct ieee80211_rx_stats *, int, int);
485	int		(*av_newstate)(struct ieee80211vap *,
486				enum ieee80211_state, int);
487	void		(*av_bmiss)(struct ieee80211vap *);
488	void		(*av_node_ps)(struct ieee80211_node *, int);
489	int		(*av_set_tim)(struct ieee80211_node *, int);
490	void		(*av_recv_pspoll)(struct ieee80211_node *,
491				struct mbuf *);
492};
493#define	ATH_VAP(vap)	((struct ath_vap *)(vap))
494
495struct taskqueue;
496struct ath_tx99;
497
498/*
499 * Whether to reset the TX/RX queue with or without
500 * a queue flush.
501 */
502typedef enum {
503	ATH_RESET_DEFAULT = 0,
504	ATH_RESET_NOLOSS = 1,
505	ATH_RESET_FULL = 2,
506} ATH_RESET_TYPE;
507
508struct ath_rx_methods {
509	void		(*recv_sched_queue)(struct ath_softc *sc,
510			    HAL_RX_QUEUE q, int dosched);
511	void		(*recv_sched)(struct ath_softc *sc, int dosched);
512	void		(*recv_stop)(struct ath_softc *sc, int dodelay);
513	int		(*recv_start)(struct ath_softc *sc);
514	void		(*recv_flush)(struct ath_softc *sc);
515	void		(*recv_tasklet)(void *arg, int npending);
516	int		(*recv_rxbuf_init)(struct ath_softc *sc,
517			    struct ath_buf *bf);
518	int		(*recv_setup)(struct ath_softc *sc);
519	int		(*recv_teardown)(struct ath_softc *sc);
520};
521
522/*
523 * Represent the current state of the RX FIFO.
524 */
525struct ath_rx_edma {
526	struct ath_buf	**m_fifo;
527	int		m_fifolen;
528	int		m_fifo_head;
529	int		m_fifo_tail;
530	int		m_fifo_depth;
531	struct mbuf	*m_rxpending;
532	struct ath_buf	*m_holdbf;
533};
534
535struct ath_tx_edma_fifo {
536	struct ath_buf	**m_fifo;
537	int		m_fifolen;
538	int		m_fifo_head;
539	int		m_fifo_tail;
540	int		m_fifo_depth;
541};
542
543struct ath_tx_methods {
544	int		(*xmit_setup)(struct ath_softc *sc);
545	int		(*xmit_teardown)(struct ath_softc *sc);
546	void		(*xmit_attach_comp_func)(struct ath_softc *sc);
547
548	void		(*xmit_dma_restart)(struct ath_softc *sc,
549			    struct ath_txq *txq);
550	void		(*xmit_handoff)(struct ath_softc *sc,
551			    struct ath_txq *txq, struct ath_buf *bf);
552	void		(*xmit_drain)(struct ath_softc *sc,
553			    ATH_RESET_TYPE reset_type);
554};
555
556struct ath_softc {
557	struct ieee80211com	sc_ic;
558	struct ath_stats	sc_stats;	/* device statistics */
559	struct ath_tx_aggr_stats	sc_aggr_stats;
560	struct ath_intr_stats	sc_intr_stats;
561	uint64_t		sc_debug;
562	uint64_t		sc_ktrdebug;
563	int			sc_nvaps;	/* # vaps */
564	int			sc_nstavaps;	/* # station vaps */
565	int			sc_nmeshvaps;	/* # mbss vaps */
566	u_int8_t		sc_hwbssidmask[IEEE80211_ADDR_LEN];
567	u_int8_t		sc_nbssid0;	/* # vap's using base mac */
568	uint32_t		sc_bssidmask;	/* bssid mask */
569
570	struct ath_rx_methods	sc_rx;
571	struct ath_rx_edma	sc_rxedma[HAL_NUM_RX_QUEUES];	/* HP/LP queues */
572	ath_bufhead		sc_rx_rxlist[HAL_NUM_RX_QUEUES];	/* deferred RX completion */
573	struct ath_tx_methods	sc_tx;
574	struct ath_tx_edma_fifo	sc_txedma[HAL_NUM_TX_QUEUES];
575
576	/*
577	 * This is (currently) protected by the TX queue lock;
578	 * it should migrate to a separate lock later
579	 * so as to minimise contention.
580	 */
581	ath_bufhead		sc_txbuf_list;
582
583	int			sc_rx_statuslen;
584	int			sc_tx_desclen;
585	int			sc_tx_statuslen;
586	int			sc_tx_nmaps;	/* Number of TX maps */
587	int			sc_edma_bufsize;
588	int			sc_rx_stopped;	/* XXX only for EDMA */
589	int			sc_rx_resetted;	/* XXX only for EDMA */
590
591	void 			(*sc_node_cleanup)(struct ieee80211_node *);
592	void 			(*sc_node_free)(struct ieee80211_node *);
593	device_t		sc_dev;
594	HAL_BUS_TAG		sc_st;		/* bus space tag */
595	HAL_BUS_HANDLE		sc_sh;		/* bus space handle */
596	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
597	struct mtx		sc_mtx;		/* master lock (recursive) */
598	struct mtx		sc_pcu_mtx;	/* PCU access mutex */
599	char			sc_pcu_mtx_name[32];
600	struct mtx		sc_rx_mtx;	/* RX access mutex */
601	char			sc_rx_mtx_name[32];
602	struct mtx		sc_tx_mtx;	/* TX handling/comp mutex */
603	char			sc_tx_mtx_name[32];
604	struct mtx		sc_tx_ic_mtx;	/* TX queue mutex */
605	char			sc_tx_ic_mtx_name[32];
606	struct taskqueue	*sc_tq;		/* private task queue */
607	struct ath_hal		*sc_ah;		/* Atheros HAL */
608	struct ath_ratectrl	*sc_rc;		/* tx rate control support */
609	struct ath_tx99		*sc_tx99;	/* tx99 adjunct state */
610	void			(*sc_setdefantenna)(struct ath_softc *, u_int);
611
612	/*
613	 * First set of flags.
614	 */
615	uint32_t		sc_invalid  : 1,/* disable hardware accesses */
616				sc_mrretry  : 1,/* multi-rate retry support */
617				sc_mrrprot  : 1,/* MRR + protection support */
618				sc_softled  : 1,/* enable LED gpio status */
619				sc_hardled  : 1,/* enable MAC LED status */
620				sc_splitmic : 1,/* split TKIP MIC keys */
621				sc_needmib  : 1,/* enable MIB stats intr */
622				sc_diversity: 1,/* enable rx diversity */
623				sc_hasveol  : 1,/* tx VEOL support */
624				sc_ledstate : 1,/* LED on/off state */
625				sc_blinking : 1,/* LED blink operation active */
626				sc_mcastkey : 1,/* mcast key cache search */
627				sc_scanning : 1,/* scanning active */
628				sc_syncbeacon:1,/* sync/resync beacon timers */
629				sc_hasclrkey: 1,/* CLR key supported */
630				sc_xchanmode: 1,/* extended channel mode */
631				sc_outdoor  : 1,/* outdoor operation */
632				sc_dturbo   : 1,/* dynamic turbo in use */
633				sc_hasbmask : 1,/* bssid mask support */
634				sc_hasbmatch: 1,/* bssid match disable support*/
635				sc_hastsfadd: 1,/* tsf adjust support */
636				sc_beacons  : 1,/* beacons running */
637				sc_swbmiss  : 1,/* sta mode using sw bmiss */
638				sc_stagbeacons:1,/* use staggered beacons */
639				sc_wmetkipmic:1,/* can do WME+TKIP MIC */
640				sc_resume_up: 1,/* on resume, start all vaps */
641				sc_tdma	    : 1,/* TDMA in use */
642				sc_setcca   : 1,/* set/clr CCA with TDMA */
643				sc_resetcal : 1,/* reset cal state next trip */
644				sc_rxslink  : 1,/* do self-linked final descriptor */
645				sc_rxtsf32  : 1,/* RX dec TSF is 32 bits */
646				sc_isedma   : 1,/* supports EDMA */
647				sc_do_mybeacon : 1; /* supports mybeacon */
648
649	/*
650	 * Second set of flags.
651	 */
652	u_int32_t		sc_running  : 1,	/* initialized */
653				sc_use_ent  : 1,
654				sc_rx_stbc  : 1,
655				sc_tx_stbc  : 1,
656				sc_has_ldpc : 1,
657				sc_hasenforcetxop : 1, /* support enforce TxOP */
658				sc_hasdivcomb : 1,     /* RX diversity combining */
659				sc_rx_lnamixer : 1,    /* RX using LNA mixing */
660				sc_btcoex_mci : 1;     /* MCI bluetooth coex */
661
662	int			sc_cabq_enable;	/* Enable cabq transmission */
663
664	/*
665	 * Enterprise mode configuration for AR9380 and later chipsets.
666	 */
667	uint32_t		sc_ent_cfg;
668
669	uint32_t		sc_eerd;	/* regdomain from EEPROM */
670	uint32_t		sc_eecc;	/* country code from EEPROM */
671						/* rate tables */
672	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
673	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
674	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
675	HAL_OPMODE		sc_opmode;	/* current operating mode */
676	u_int16_t		sc_curtxpow;	/* current tx power limit */
677	u_int16_t		sc_curaid;	/* current association id */
678	struct ieee80211_channel *sc_curchan;	/* current installed channel */
679	u_int8_t		sc_curbssid[IEEE80211_ADDR_LEN];
680	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
681	struct {
682		u_int8_t	ieeerate;	/* IEEE rate */
683		u_int8_t	rxflags;	/* radiotap rx flags */
684		u_int8_t	txflags;	/* radiotap tx flags */
685		u_int16_t	ledon;		/* softled on time */
686		u_int16_t	ledoff;		/* softled off time */
687	} sc_hwmap[32];				/* h/w rate ix mappings */
688	u_int8_t		sc_protrix;	/* protection rate index */
689	u_int8_t		sc_lastdatarix;	/* last data frame rate index */
690	u_int			sc_mcastrate;	/* ieee rate for mcastrateix */
691	u_int			sc_fftxqmin;	/* min frames before staging */
692	u_int			sc_fftxqmax;	/* max frames before drop */
693	u_int			sc_txantenna;	/* tx antenna (fixed or auto) */
694
695	HAL_INT			sc_imask;	/* interrupt mask copy */
696
697	/*
698	 * These are modified in the interrupt handler as well as
699	 * the task queues and other contexts. Thus these must be
700	 * protected by a mutex, or they could clash.
701	 *
702	 * For now, access to these is behind the ATH_LOCK,
703	 * just to save time.
704	 */
705	uint32_t		sc_txq_active;	/* bitmap of active TXQs */
706	uint32_t		sc_kickpcu;	/* whether to kick the PCU */
707	uint32_t		sc_rxproc_cnt;	/* In RX processing */
708	uint32_t		sc_txproc_cnt;	/* In TX processing */
709	uint32_t		sc_txstart_cnt;	/* In TX output (raw/start) */
710	uint32_t		sc_inreset_cnt;	/* In active reset/chanchange */
711	uint32_t		sc_txrx_cnt;	/* refcount on stop/start'ing TX */
712	uint32_t		sc_intr_cnt;	/* refcount on interrupt handling */
713
714	u_int			sc_keymax;	/* size of key cache */
715	u_int8_t		sc_keymap[ATH_KEYBYTES];/* key use bit map */
716
717	/*
718	 * Software based LED blinking
719	 */
720	u_int			sc_ledpin;	/* GPIO pin for driving LED */
721	u_int			sc_ledon;	/* pin setting for LED on */
722	u_int			sc_ledidle;	/* idle polling interval */
723	int			sc_ledevent;	/* time of last LED event */
724	u_int8_t		sc_txrix;	/* current tx rate for LED */
725	u_int16_t		sc_ledoff;	/* off time for current blink */
726	struct callout		sc_ledtimer;	/* led off timer */
727
728	/*
729	 * Hardware based LED blinking
730	 */
731	int			sc_led_pwr_pin;	/* MAC power LED GPIO pin */
732	int			sc_led_net_pin;	/* MAC network LED GPIO pin */
733
734	u_int			sc_rfsilentpin;	/* GPIO pin for rfkill int */
735	u_int			sc_rfsilentpol;	/* pin setting for rfkill on */
736
737	struct ath_descdma	sc_rxdma;	/* RX descriptors */
738	ath_bufhead		sc_rxbuf;	/* receive buffer */
739	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
740	struct task		sc_rxtask;	/* rx int processing */
741	u_int8_t		sc_defant;	/* current default antenna */
742	u_int8_t		sc_rxotherant;	/* rx's on non-default antenna*/
743	u_int64_t		sc_lastrx;	/* tsf at last rx'd frame */
744	struct ath_rx_status	*sc_lastrs;	/* h/w status of last rx */
745	struct ath_rx_radiotap_header sc_rx_th;
746	int			sc_rx_th_len;
747	u_int			sc_monpass;	/* frames to pass in mon.mode */
748
749	struct ath_descdma	sc_txdma;	/* TX descriptors */
750	uint16_t		sc_txbuf_descid;
751	ath_bufhead		sc_txbuf;	/* transmit buffer */
752	int			sc_txbuf_cnt;	/* how many buffers avail */
753	struct ath_descdma	sc_txdma_mgmt;	/* mgmt TX descriptors */
754	ath_bufhead		sc_txbuf_mgmt;	/* mgmt transmit buffer */
755	struct ath_descdma	sc_txsdma;	/* EDMA TX status desc's */
756	struct mtx		sc_txbuflock;	/* txbuf lock */
757	char			sc_txname[12];	/* e.g. "ath0_buf" */
758	u_int			sc_txqsetup;	/* h/w queues setup */
759	u_int			sc_txintrperiod;/* tx interrupt batching */
760	struct ath_txq		sc_txq[HAL_NUM_TX_QUEUES];
761	struct ath_txq		*sc_ac2q[5];	/* WME AC -> h/w q map */
762	struct task		sc_txtask;	/* tx int processing */
763	struct task		sc_txqtask;	/* tx proc processing */
764
765	struct ath_descdma	sc_txcompdma;	/* TX EDMA completion */
766	struct mtx		sc_txcomplock;	/* TX EDMA completion lock */
767	char			sc_txcompname[12];	/* eg ath0_txcomp */
768
769	int			sc_wd_timer;	/* count down for wd timer */
770	struct callout		sc_wd_ch;	/* tx watchdog timer */
771	struct ath_tx_radiotap_header sc_tx_th;
772	int			sc_tx_th_len;
773
774	struct ath_descdma	sc_bdma;	/* beacon descriptors */
775	ath_bufhead		sc_bbuf;	/* beacon buffers */
776	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
777	u_int			sc_bmisscount;	/* missed beacon transmits */
778	u_int32_t		sc_ant_tx[8];	/* recent tx frames/antenna */
779	struct ath_txq		*sc_cabq;	/* tx q for cab frames */
780	struct task		sc_bmisstask;	/* bmiss int processing */
781	struct task		sc_bstucktask;	/* stuck beacon processing */
782	struct task		sc_resettask;	/* interface reset task */
783	struct task		sc_fataltask;	/* fatal task */
784	enum {
785		OK,				/* no change needed */
786		UPDATE,				/* update pending */
787		COMMIT				/* beacon sent, commit change */
788	} sc_updateslot;			/* slot time update fsm */
789	int			sc_slotupdate;	/* slot to advance fsm */
790	struct ieee80211vap	*sc_bslot[ATH_BCBUF];
791	int			sc_nbcnvaps;	/* # vaps with beacons */
792
793	struct callout		sc_cal_ch;	/* callout handle for cals */
794	int			sc_lastlongcal;	/* last long cal completed */
795	int			sc_lastcalreset;/* last cal reset done */
796	int			sc_lastani;	/* last ANI poll */
797	int			sc_lastshortcal;	/* last short calibration */
798	HAL_BOOL		sc_doresetcal;	/* Yes, we're doing a reset cal atm */
799	HAL_NODE_STATS		sc_halstats;	/* station-mode rssi stats */
800	u_int			sc_tdmadbaprep;	/* TDMA DBA prep time */
801	u_int			sc_tdmaswbaprep;/* TDMA SWBA prep time */
802	u_int			sc_tdmaswba;	/* TDMA SWBA counter */
803	u_int32_t		sc_tdmabintval;	/* TDMA beacon interval (TU) */
804	u_int32_t		sc_tdmaguard;	/* TDMA guard time (usec) */
805	u_int			sc_tdmaslotlen;	/* TDMA slot length (usec) */
806	u_int32_t		sc_avgtsfdeltap;/* TDMA slot adjust (+) */
807	u_int32_t		sc_avgtsfdeltam;/* TDMA slot adjust (-) */
808	uint16_t		*sc_eepromdata;	/* Local eeprom data, if AR9100 */
809	uint32_t		sc_txchainmask;	/* hardware TX chainmask */
810	uint32_t		sc_rxchainmask;	/* hardware RX chainmask */
811	uint32_t		sc_cur_txchainmask;	/* currently configured TX chainmask */
812	uint32_t		sc_cur_rxchainmask;	/* currently configured RX chainmask */
813	uint32_t		sc_rts_aggr_limit;	/* TX limit on RTS aggregates */
814	int			sc_aggr_limit;	/* TX limit on all aggregates */
815	int			sc_delim_min_pad;	/* Minimum delimiter count */
816
817	/* Queue limits */
818
819	/*
820	 * To avoid queue starvation in congested conditions,
821	 * these parameters tune the maximum number of frames
822	 * queued to the data/mcastq before they're dropped.
823	 *
824	 * This is to prevent:
825	 * + a single destination overwhelming everything, including
826	 *   management/multicast frames;
827	 * + multicast frames overwhelming everything (when the
828	 *   air is sufficiently busy that cabq can't drain.)
829	 * + A node in powersave shouldn't be allowed to exhaust
830	 *   all available mbufs;
831	 *
832	 * These implement:
833	 * + data_minfree is the maximum number of free buffers
834	 *   overall to successfully allow a data frame.
835	 *
836	 * + mcastq_maxdepth is the maximum depth allowed of the cabq.
837	 */
838	int			sc_txq_node_maxdepth;
839	int			sc_txq_data_minfree;
840	int			sc_txq_mcastq_maxdepth;
841	int			sc_txq_node_psq_maxdepth;
842
843	/*
844	 * Software queue twiddles
845	 *
846	 * hwq_limit_nonaggr:
847	 *		when to begin limiting non-aggregate frames to the
848	 *		hardware queue, regardless of the TID.
849	 * hwq_limit_aggr:
850	 *		when to begin limiting A-MPDU frames to the
851	 *		hardware queue, regardless of the TID.
852	 * tid_hwq_lo:	how low the per-TID hwq count has to be before the
853	 *		TID will be scheduled again
854	 * tid_hwq_hi:	how many frames to queue to the HWQ before the TID
855	 *		stops being scheduled.
856	 */
857	int			sc_hwq_limit_nonaggr;
858	int			sc_hwq_limit_aggr;
859	int			sc_tid_hwq_lo;
860	int			sc_tid_hwq_hi;
861
862	/* DFS related state */
863	void			*sc_dfs;	/* Used by an optional DFS module */
864	int			sc_dodfs;	/* Whether to enable DFS rx filter bits */
865	struct task		sc_dfstask;	/* DFS processing task */
866
867	/* Spectral related state */
868	void			*sc_spectral;
869	int			sc_dospectral;
870
871	/* LNA diversity related state */
872	void			*sc_lna_div;
873	int			sc_dolnadiv;
874
875	/* ALQ */
876#ifdef	ATH_DEBUG_ALQ
877	struct if_ath_alq sc_alq;
878#endif
879
880	/* TX AMPDU handling */
881	int			(*sc_addba_request)(struct ieee80211_node *,
882				    struct ieee80211_tx_ampdu *, int, int, int);
883	int			(*sc_addba_response)(struct ieee80211_node *,
884				    struct ieee80211_tx_ampdu *, int, int, int);
885	void			(*sc_addba_stop)(struct ieee80211_node *,
886				    struct ieee80211_tx_ampdu *);
887	void			(*sc_addba_response_timeout)
888				    (struct ieee80211_node *,
889				    struct ieee80211_tx_ampdu *);
890	void			(*sc_bar_response)(struct ieee80211_node *ni,
891				    struct ieee80211_tx_ampdu *tap,
892				    int status);
893
894	/*
895	 * Powersave state tracking.
896	 *
897	 * target/cur powerstate is the chip power state.
898	 * target selfgen state is the self-generated frames
899	 *   state.  The chip can be awake but transmitted frames
900	 *   can have the PWRMGT bit set to 1 so the destination
901	 *   thinks the node is asleep.
902	 */
903	HAL_POWER_MODE		sc_target_powerstate;
904	HAL_POWER_MODE		sc_target_selfgen_state;
905
906	HAL_POWER_MODE		sc_cur_powerstate;
907
908	int			sc_powersave_refcnt;
909
910	/* ATH_PCI_* flags */
911	uint32_t		sc_pci_devinfo;
912
913	/* BT coex */
914	struct {
915		struct ath_descdma buf;
916
917		/* gpm/sched buffer, saved pointers */
918		char *sched_buf;
919		bus_addr_t sched_paddr;
920		char *gpm_buf;
921		bus_addr_t gpm_paddr;
922
923		uint32_t wlan_channels[4];
924	} sc_btcoex;
925};
926
927#define	ATH_LOCK_INIT(_sc) \
928	mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
929		 NULL, MTX_DEF | MTX_RECURSE)
930#define	ATH_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_mtx)
931#define	ATH_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
932#define	ATH_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
933#define	ATH_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
934#define	ATH_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_NOTOWNED)
935
936/*
937 * The TX lock is non-reentrant and serialises the TX frame send
938 * and completion operations.
939 */
940#define	ATH_TX_LOCK_INIT(_sc) do {\
941	snprintf((_sc)->sc_tx_mtx_name,				\
942	    sizeof((_sc)->sc_tx_mtx_name),				\
943	    "%s TX lock",						\
944	    device_get_nameunit((_sc)->sc_dev));			\
945	mtx_init(&(_sc)->sc_tx_mtx, (_sc)->sc_tx_mtx_name,		\
946		 NULL, MTX_DEF);					\
947	} while (0)
948#define	ATH_TX_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_tx_mtx)
949#define	ATH_TX_LOCK(_sc)		mtx_lock(&(_sc)->sc_tx_mtx)
950#define	ATH_TX_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_tx_mtx)
951#define	ATH_TX_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_tx_mtx,	\
952		MA_OWNED)
953#define	ATH_TX_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_tx_mtx,	\
954		MA_NOTOWNED)
955#define	ATH_TX_TRYLOCK(_sc)	(mtx_owned(&(_sc)->sc_tx_mtx) != 0 &&	\
956					mtx_trylock(&(_sc)->sc_tx_mtx))
957
958/*
959 * The PCU lock is non-recursive and should be treated as a spinlock.
960 * Although currently the interrupt code is run in netisr context and
961 * doesn't require this, this may change in the future.
962 * Please keep this in mind when protecting certain code paths
963 * with the PCU lock.
964 *
965 * The PCU lock is used to serialise access to the PCU so things such
966 * as TX, RX, state change (eg channel change), channel reset and updates
967 * from interrupt context (eg kickpcu, txqactive bits) do not clash.
968 *
969 * Although the current single-thread taskqueue mechanism protects the
970 * majority of these situations by simply serialising them, there are
971 * a few others which occur at the same time. These include the TX path
972 * (which only acquires ATH_LOCK when recycling buffers to the free list),
973 * ath_set_channel, the channel scanning API and perhaps quite a bit more.
974 */
975#define	ATH_PCU_LOCK_INIT(_sc) do {\
976	snprintf((_sc)->sc_pcu_mtx_name,				\
977	    sizeof((_sc)->sc_pcu_mtx_name),				\
978	    "%s PCU lock",						\
979	    device_get_nameunit((_sc)->sc_dev));			\
980	mtx_init(&(_sc)->sc_pcu_mtx, (_sc)->sc_pcu_mtx_name,		\
981		 NULL, MTX_DEF);					\
982	} while (0)
983#define	ATH_PCU_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_pcu_mtx)
984#define	ATH_PCU_LOCK(_sc)		mtx_lock(&(_sc)->sc_pcu_mtx)
985#define	ATH_PCU_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_pcu_mtx)
986#define	ATH_PCU_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
987		MA_OWNED)
988#define	ATH_PCU_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
989		MA_NOTOWNED)
990
991/*
992 * The RX lock is primarily a(nother) workaround to ensure that the
993 * RX FIFO/list isn't modified by various execution paths.
994 * Even though RX occurs in a single context (the ath taskqueue), the
995 * RX path can be executed via various reset/channel change paths.
996 */
997#define	ATH_RX_LOCK_INIT(_sc) do {\
998	snprintf((_sc)->sc_rx_mtx_name,					\
999	    sizeof((_sc)->sc_rx_mtx_name),				\
1000	    "%s RX lock",						\
1001	    device_get_nameunit((_sc)->sc_dev));			\
1002	mtx_init(&(_sc)->sc_rx_mtx, (_sc)->sc_rx_mtx_name,		\
1003		 NULL, MTX_DEF);					\
1004	} while (0)
1005#define	ATH_RX_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_rx_mtx)
1006#define	ATH_RX_LOCK(_sc)		mtx_lock(&(_sc)->sc_rx_mtx)
1007#define	ATH_RX_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_rx_mtx)
1008#define	ATH_RX_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_rx_mtx,	\
1009		MA_OWNED)
1010#define	ATH_RX_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_rx_mtx,	\
1011		MA_NOTOWNED)
1012
1013#define	ATH_TXQ_SETUP(sc, i)	((sc)->sc_txqsetup & (1<<i))
1014
1015#define	ATH_TXBUF_LOCK_INIT(_sc) do { \
1016	snprintf((_sc)->sc_txname, sizeof((_sc)->sc_txname), "%s_buf", \
1017		device_get_nameunit((_sc)->sc_dev)); \
1018	mtx_init(&(_sc)->sc_txbuflock, (_sc)->sc_txname, NULL, MTX_DEF); \
1019} while (0)
1020#define	ATH_TXBUF_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txbuflock)
1021#define	ATH_TXBUF_LOCK(_sc)		mtx_lock(&(_sc)->sc_txbuflock)
1022#define	ATH_TXBUF_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_txbuflock)
1023#define	ATH_TXBUF_LOCK_ASSERT(_sc) \
1024	mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)
1025#define	ATH_TXBUF_UNLOCK_ASSERT(_sc) \
1026	mtx_assert(&(_sc)->sc_txbuflock, MA_NOTOWNED)
1027
1028#define	ATH_TXSTATUS_LOCK_INIT(_sc) do { \
1029	snprintf((_sc)->sc_txcompname, sizeof((_sc)->sc_txcompname), \
1030		"%s_buf", \
1031		device_get_nameunit((_sc)->sc_dev)); \
1032	mtx_init(&(_sc)->sc_txcomplock, (_sc)->sc_txcompname, NULL, \
1033		MTX_DEF); \
1034} while (0)
1035#define	ATH_TXSTATUS_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txcomplock)
1036#define	ATH_TXSTATUS_LOCK(_sc)		mtx_lock(&(_sc)->sc_txcomplock)
1037#define	ATH_TXSTATUS_UNLOCK(_sc)	mtx_unlock(&(_sc)->sc_txcomplock)
1038#define	ATH_TXSTATUS_LOCK_ASSERT(_sc) \
1039	mtx_assert(&(_sc)->sc_txcomplock, MA_OWNED)
1040
1041int	ath_attach(u_int16_t, struct ath_softc *);
1042int	ath_detach(struct ath_softc *);
1043void	ath_resume(struct ath_softc *);
1044void	ath_suspend(struct ath_softc *);
1045void	ath_shutdown(struct ath_softc *);
1046void	ath_intr(void *);
1047
1048/*
1049 * HAL definitions to comply with local coding convention.
1050 */
1051#define	ath_hal_detach(_ah) \
1052	((*(_ah)->ah_detach)((_ah)))
1053#define	ath_hal_reset(_ah, _opmode, _chan, _fullreset, _resettype, _pstatus) \
1054	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_fullreset), \
1055	    (_resettype), (_pstatus)))
1056#define	ath_hal_macversion(_ah) \
1057	(((_ah)->ah_macVersion << 4) | ((_ah)->ah_macRev))
1058#define	ath_hal_getratetable(_ah, _mode) \
1059	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
1060#define	ath_hal_getmac(_ah, _mac) \
1061	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
1062#define	ath_hal_setmac(_ah, _mac) \
1063	((*(_ah)->ah_setMacAddress)((_ah), (_mac)))
1064#define	ath_hal_getbssidmask(_ah, _mask) \
1065	((*(_ah)->ah_getBssIdMask)((_ah), (_mask)))
1066#define	ath_hal_setbssidmask(_ah, _mask) \
1067	((*(_ah)->ah_setBssIdMask)((_ah), (_mask)))
1068#define	ath_hal_intrset(_ah, _mask) \
1069	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
1070#define	ath_hal_intrget(_ah) \
1071	((*(_ah)->ah_getInterrupts)((_ah)))
1072#define	ath_hal_intrpend(_ah) \
1073	((*(_ah)->ah_isInterruptPending)((_ah)))
1074#define	ath_hal_getisr(_ah, _pmask) \
1075	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
1076#define	ath_hal_updatetxtriglevel(_ah, _inc) \
1077	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
1078#define	ath_hal_setpower(_ah, _mode) \
1079	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE))
1080#define	ath_hal_setselfgenpower(_ah, _mode) \
1081	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_FALSE))
1082#define	ath_hal_keycachesize(_ah) \
1083	((*(_ah)->ah_getKeyCacheSize)((_ah)))
1084#define	ath_hal_keyreset(_ah, _ix) \
1085	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
1086#define	ath_hal_keyset(_ah, _ix, _pk, _mac) \
1087	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), (_mac), AH_FALSE))
1088#define	ath_hal_keyisvalid(_ah, _ix) \
1089	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
1090#define	ath_hal_keysetmac(_ah, _ix, _mac) \
1091	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
1092#define	ath_hal_getrxfilter(_ah) \
1093	((*(_ah)->ah_getRxFilter)((_ah)))
1094#define	ath_hal_setrxfilter(_ah, _filter) \
1095	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
1096#define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
1097	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
1098#define	ath_hal_waitforbeacon(_ah, _bf) \
1099	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
1100#define	ath_hal_putrxbuf(_ah, _bufaddr, _rxq) \
1101	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr), (_rxq)))
1102/* NB: common across all chips */
1103#define	AR_TSF_L32	0x804c	/* MAC local clock lower 32 bits */
1104#define	ath_hal_gettsf32(_ah) \
1105	OS_REG_READ(_ah, AR_TSF_L32)
1106#define	ath_hal_gettsf64(_ah) \
1107	((*(_ah)->ah_getTsf64)((_ah)))
1108#define	ath_hal_settsf64(_ah, _val) \
1109	((*(_ah)->ah_setTsf64)((_ah), (_val)))
1110#define	ath_hal_resettsf(_ah) \
1111	((*(_ah)->ah_resetTsf)((_ah)))
1112#define	ath_hal_rxena(_ah) \
1113	((*(_ah)->ah_enableReceive)((_ah)))
1114#define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
1115	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
1116#define	ath_hal_gettxbuf(_ah, _q) \
1117	((*(_ah)->ah_getTxDP)((_ah), (_q)))
1118#define	ath_hal_numtxpending(_ah, _q) \
1119	((*(_ah)->ah_numTxPending)((_ah), (_q)))
1120#define	ath_hal_getrxbuf(_ah, _rxq) \
1121	((*(_ah)->ah_getRxDP)((_ah), (_rxq)))
1122#define	ath_hal_txstart(_ah, _q) \
1123	((*(_ah)->ah_startTxDma)((_ah), (_q)))
1124#define	ath_hal_setchannel(_ah, _chan) \
1125	((*(_ah)->ah_setChannel)((_ah), (_chan)))
1126#define	ath_hal_calibrate(_ah, _chan, _iqcal) \
1127	((*(_ah)->ah_perCalibration)((_ah), (_chan), (_iqcal)))
1128#define	ath_hal_calibrateN(_ah, _chan, _lcal, _isdone) \
1129	((*(_ah)->ah_perCalibrationN)((_ah), (_chan), 0x1, (_lcal), (_isdone)))
1130#define	ath_hal_calreset(_ah, _chan) \
1131	((*(_ah)->ah_resetCalValid)((_ah), (_chan)))
1132#define	ath_hal_setledstate(_ah, _state) \
1133	((*(_ah)->ah_setLedState)((_ah), (_state)))
1134#define	ath_hal_beaconinit(_ah, _nextb, _bperiod) \
1135	((*(_ah)->ah_beaconInit)((_ah), (_nextb), (_bperiod)))
1136#define	ath_hal_beaconreset(_ah) \
1137	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
1138#define	ath_hal_beaconsettimers(_ah, _bt) \
1139	((*(_ah)->ah_setBeaconTimers)((_ah), (_bt)))
1140#define	ath_hal_beacontimers(_ah, _bs) \
1141	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs)))
1142#define	ath_hal_getnexttbtt(_ah) \
1143	((*(_ah)->ah_getNextTBTT)((_ah)))
1144#define	ath_hal_setassocid(_ah, _bss, _associd) \
1145	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd)))
1146#define	ath_hal_phydisable(_ah) \
1147	((*(_ah)->ah_phyDisable)((_ah)))
1148#define	ath_hal_setopmode(_ah) \
1149	((*(_ah)->ah_setPCUConfig)((_ah)))
1150#define	ath_hal_stoptxdma(_ah, _qnum) \
1151	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
1152#define	ath_hal_stoppcurecv(_ah) \
1153	((*(_ah)->ah_stopPcuReceive)((_ah)))
1154#define	ath_hal_startpcurecv(_ah) \
1155	((*(_ah)->ah_startPcuReceive)((_ah)))
1156#define	ath_hal_stopdmarecv(_ah) \
1157	((*(_ah)->ah_stopDmaReceive)((_ah)))
1158#define	ath_hal_getdiagstate(_ah, _id, _indata, _insize, _outdata, _outsize) \
1159	((*(_ah)->ah_getDiagState)((_ah), (_id), \
1160		(_indata), (_insize), (_outdata), (_outsize)))
1161#define	ath_hal_getfatalstate(_ah, _outdata, _outsize) \
1162	ath_hal_getdiagstate(_ah, 29, NULL, 0, (_outdata), _outsize)
1163#define	ath_hal_setuptxqueue(_ah, _type, _irq) \
1164	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
1165#define	ath_hal_resettxqueue(_ah, _q) \
1166	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
1167#define	ath_hal_releasetxqueue(_ah, _q) \
1168	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
1169#define	ath_hal_gettxqueueprops(_ah, _q, _qi) \
1170	((*(_ah)->ah_getTxQueueProps)((_ah), (_q), (_qi)))
1171#define	ath_hal_settxqueueprops(_ah, _q, _qi) \
1172	((*(_ah)->ah_setTxQueueProps)((_ah), (_q), (_qi)))
1173/* NB: common across all chips */
1174#define	AR_Q_TXE	0x0840	/* MAC Transmit Queue enable */
1175#define	ath_hal_txqenabled(_ah, _qnum) \
1176	(OS_REG_READ(_ah, AR_Q_TXE) & (1<<(_qnum)))
1177#define	ath_hal_getrfgain(_ah) \
1178	((*(_ah)->ah_getRfGain)((_ah)))
1179#define	ath_hal_getdefantenna(_ah) \
1180	((*(_ah)->ah_getDefAntenna)((_ah)))
1181#define	ath_hal_setdefantenna(_ah, _ant) \
1182	((*(_ah)->ah_setDefAntenna)((_ah), (_ant)))
1183#define	ath_hal_rxmonitor(_ah, _arg, _chan) \
1184	((*(_ah)->ah_rxMonitor)((_ah), (_arg), (_chan)))
1185#define	ath_hal_ani_poll(_ah, _chan) \
1186	((*(_ah)->ah_aniPoll)((_ah), (_chan)))
1187#define	ath_hal_mibevent(_ah, _stats) \
1188	((*(_ah)->ah_procMibEvent)((_ah), (_stats)))
1189#define	ath_hal_setslottime(_ah, _us) \
1190	((*(_ah)->ah_setSlotTime)((_ah), (_us)))
1191#define	ath_hal_getslottime(_ah) \
1192	((*(_ah)->ah_getSlotTime)((_ah)))
1193#define	ath_hal_setacktimeout(_ah, _us) \
1194	((*(_ah)->ah_setAckTimeout)((_ah), (_us)))
1195#define	ath_hal_getacktimeout(_ah) \
1196	((*(_ah)->ah_getAckTimeout)((_ah)))
1197#define	ath_hal_setctstimeout(_ah, _us) \
1198	((*(_ah)->ah_setCTSTimeout)((_ah), (_us)))
1199#define	ath_hal_getctstimeout(_ah) \
1200	((*(_ah)->ah_getCTSTimeout)((_ah)))
1201#define	ath_hal_getcapability(_ah, _cap, _param, _result) \
1202	((*(_ah)->ah_getCapability)((_ah), (_cap), (_param), (_result)))
1203#define	ath_hal_setcapability(_ah, _cap, _param, _v, _status) \
1204	((*(_ah)->ah_setCapability)((_ah), (_cap), (_param), (_v), (_status)))
1205#define	ath_hal_ciphersupported(_ah, _cipher) \
1206	(ath_hal_getcapability(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)
1207#define	ath_hal_getregdomain(_ah, _prd) \
1208	(ath_hal_getcapability(_ah, HAL_CAP_REG_DMN, 0, (_prd)) == HAL_OK)
1209#define	ath_hal_setregdomain(_ah, _rd) \
1210	ath_hal_setcapability(_ah, HAL_CAP_REG_DMN, 0, _rd, NULL)
1211#define	ath_hal_getcountrycode(_ah, _pcc) \
1212	(*(_pcc) = (_ah)->ah_countryCode)
1213#define	ath_hal_gettkipmic(_ah) \
1214	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_MIC, 1, NULL) == HAL_OK)
1215#define	ath_hal_settkipmic(_ah, _v) \
1216	ath_hal_setcapability(_ah, HAL_CAP_TKIP_MIC, 1, _v, NULL)
1217#define	ath_hal_hastkipsplit(_ah) \
1218	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 0, NULL) == HAL_OK)
1219#define	ath_hal_gettkipsplit(_ah) \
1220	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, NULL) == HAL_OK)
1221#define	ath_hal_settkipsplit(_ah, _v) \
1222	ath_hal_setcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, _v, NULL)
1223#define	ath_hal_haswmetkipmic(_ah) \
1224	(ath_hal_getcapability(_ah, HAL_CAP_WME_TKIPMIC, 0, NULL) == HAL_OK)
1225#define	ath_hal_hwphycounters(_ah) \
1226	(ath_hal_getcapability(_ah, HAL_CAP_PHYCOUNTERS, 0, NULL) == HAL_OK)
1227#define	ath_hal_hasdiversity(_ah) \
1228	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 0, NULL) == HAL_OK)
1229#define	ath_hal_getdiversity(_ah) \
1230	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK)
1231#define	ath_hal_setdiversity(_ah, _v) \
1232	ath_hal_setcapability(_ah, HAL_CAP_DIVERSITY, 1, _v, NULL)
1233#define	ath_hal_getantennaswitch(_ah) \
1234	((*(_ah)->ah_getAntennaSwitch)((_ah)))
1235#define	ath_hal_setantennaswitch(_ah, _v) \
1236	((*(_ah)->ah_setAntennaSwitch)((_ah), (_v)))
1237#define	ath_hal_getdiag(_ah, _pv) \
1238	(ath_hal_getcapability(_ah, HAL_CAP_DIAG, 0, _pv) == HAL_OK)
1239#define	ath_hal_setdiag(_ah, _v) \
1240	ath_hal_setcapability(_ah, HAL_CAP_DIAG, 0, _v, NULL)
1241#define	ath_hal_getnumtxqueues(_ah, _pv) \
1242	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXQUEUES, 0, _pv) == HAL_OK)
1243#define	ath_hal_hasveol(_ah) \
1244	(ath_hal_getcapability(_ah, HAL_CAP_VEOL, 0, NULL) == HAL_OK)
1245#define	ath_hal_hastxpowlimit(_ah) \
1246	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 0, NULL) == HAL_OK)
1247#define	ath_hal_settxpowlimit(_ah, _pow) \
1248	((*(_ah)->ah_setTxPowerLimit)((_ah), (_pow)))
1249#define	ath_hal_gettxpowlimit(_ah, _ppow) \
1250	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 1, _ppow) == HAL_OK)
1251#define	ath_hal_getmaxtxpow(_ah, _ppow) \
1252	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 2, _ppow) == HAL_OK)
1253#define	ath_hal_gettpscale(_ah, _scale) \
1254	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 3, _scale) == HAL_OK)
1255#define	ath_hal_settpscale(_ah, _v) \
1256	ath_hal_setcapability(_ah, HAL_CAP_TXPOW, 3, _v, NULL)
1257#define	ath_hal_hastpc(_ah) \
1258	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 0, NULL) == HAL_OK)
1259#define	ath_hal_gettpc(_ah) \
1260	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 1, NULL) == HAL_OK)
1261#define	ath_hal_settpc(_ah, _v) \
1262	ath_hal_setcapability(_ah, HAL_CAP_TPC, 1, _v, NULL)
1263#define	ath_hal_hasbursting(_ah) \
1264	(ath_hal_getcapability(_ah, HAL_CAP_BURST, 0, NULL) == HAL_OK)
1265#define	ath_hal_setmcastkeysearch(_ah, _v) \
1266	ath_hal_setcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, _v, NULL)
1267#define	ath_hal_hasmcastkeysearch(_ah) \
1268	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, NULL) == HAL_OK)
1269#define	ath_hal_getmcastkeysearch(_ah) \
1270	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 1, NULL) == HAL_OK)
1271#define	ath_hal_hasfastframes(_ah) \
1272	(ath_hal_getcapability(_ah, HAL_CAP_FASTFRAME, 0, NULL) == HAL_OK)
1273#define	ath_hal_hasbssidmask(_ah) \
1274	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMASK, 0, NULL) == HAL_OK)
1275#define	ath_hal_hasbssidmatch(_ah) \
1276	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMATCH, 0, NULL) == HAL_OK)
1277#define	ath_hal_hastsfadjust(_ah) \
1278	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 0, NULL) == HAL_OK)
1279#define	ath_hal_gettsfadjust(_ah) \
1280	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 1, NULL) == HAL_OK)
1281#define	ath_hal_settsfadjust(_ah, _onoff) \
1282	ath_hal_setcapability(_ah, HAL_CAP_TSF_ADJUST, 1, _onoff, NULL)
1283#define	ath_hal_hasrfsilent(_ah) \
1284	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 0, NULL) == HAL_OK)
1285#define	ath_hal_getrfkill(_ah) \
1286	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, NULL) == HAL_OK)
1287#define	ath_hal_setrfkill(_ah, _onoff) \
1288	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _onoff, NULL)
1289#define	ath_hal_getrfsilent(_ah, _prfsilent) \
1290	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 2, _prfsilent) == HAL_OK)
1291#define	ath_hal_setrfsilent(_ah, _rfsilent) \
1292	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 2, _rfsilent, NULL)
1293#define	ath_hal_gettpack(_ah, _ptpack) \
1294	(ath_hal_getcapability(_ah, HAL_CAP_TPC_ACK, 0, _ptpack) == HAL_OK)
1295#define	ath_hal_settpack(_ah, _tpack) \
1296	ath_hal_setcapability(_ah, HAL_CAP_TPC_ACK, 0, _tpack, NULL)
1297#define	ath_hal_gettpcts(_ah, _ptpcts) \
1298	(ath_hal_getcapability(_ah, HAL_CAP_TPC_CTS, 0, _ptpcts) == HAL_OK)
1299#define	ath_hal_settpcts(_ah, _tpcts) \
1300	ath_hal_setcapability(_ah, HAL_CAP_TPC_CTS, 0, _tpcts, NULL)
1301#define	ath_hal_hasintmit(_ah) \
1302	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1303	HAL_CAP_INTMIT_PRESENT, NULL) == HAL_OK)
1304#define	ath_hal_getintmit(_ah) \
1305	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1306	HAL_CAP_INTMIT_ENABLE, NULL) == HAL_OK)
1307#define	ath_hal_setintmit(_ah, _v) \
1308	ath_hal_setcapability(_ah, HAL_CAP_INTMIT, \
1309	HAL_CAP_INTMIT_ENABLE, _v, NULL)
1310#define	ath_hal_hasmybeacon(_ah) \
1311	(ath_hal_getcapability(_ah, HAL_CAP_DO_MYBEACON, 1, NULL) == HAL_OK)
1312
1313#define	ath_hal_hasenforcetxop(_ah) \
1314	(ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 0, NULL) == HAL_OK)
1315#define	ath_hal_getenforcetxop(_ah) \
1316	(ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, NULL) == HAL_OK)
1317#define	ath_hal_setenforcetxop(_ah, _v) \
1318	ath_hal_setcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, _v, NULL)
1319
1320#define	ath_hal_hasrxlnamixer(_ah) \
1321	(ath_hal_getcapability(_ah, HAL_CAP_RX_LNA_MIXING, 0, NULL) == HAL_OK)
1322
1323#define	ath_hal_hasdivantcomb(_ah) \
1324	(ath_hal_getcapability(_ah, HAL_CAP_ANT_DIV_COMB, 0, NULL) == HAL_OK)
1325#define	ath_hal_hasldpc(_ah) \
1326	(ath_hal_getcapability(_ah, HAL_CAP_LDPC, 0, NULL) == HAL_OK)
1327#define	ath_hal_hasldpcwar(_ah) \
1328	(ath_hal_getcapability(_ah, HAL_CAP_LDPCWAR, 0, NULL) == HAL_OK)
1329
1330/* EDMA definitions */
1331#define	ath_hal_hasedma(_ah) \
1332	(ath_hal_getcapability(_ah, HAL_CAP_ENHANCED_DMA_SUPPORT,	\
1333	0, NULL) == HAL_OK)
1334#define	ath_hal_getrxfifodepth(_ah, _qtype, _req) \
1335	(ath_hal_getcapability(_ah, HAL_CAP_RXFIFODEPTH, _qtype, _req)	\
1336	== HAL_OK)
1337#define	ath_hal_getntxmaps(_ah, _req) \
1338	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXMAPS, 0, _req)	\
1339	== HAL_OK)
1340#define	ath_hal_gettxdesclen(_ah, _req) \
1341	(ath_hal_getcapability(_ah, HAL_CAP_TXDESCLEN, 0, _req)		\
1342	== HAL_OK)
1343#define	ath_hal_gettxstatuslen(_ah, _req) \
1344	(ath_hal_getcapability(_ah, HAL_CAP_TXSTATUSLEN, 0, _req)	\
1345	== HAL_OK)
1346#define	ath_hal_getrxstatuslen(_ah, _req) \
1347	(ath_hal_getcapability(_ah, HAL_CAP_RXSTATUSLEN, 0, _req)	\
1348	== HAL_OK)
1349#define	ath_hal_setrxbufsize(_ah, _req) \
1350	(ath_hal_setcapability(_ah, HAL_CAP_RXBUFSIZE, 0, _req, NULL)	\
1351	== HAL_OK)
1352
1353#define	ath_hal_getchannoise(_ah, _c) \
1354	((*(_ah)->ah_getChanNoise)((_ah), (_c)))
1355
1356/* 802.11n HAL methods */
1357#define	ath_hal_getrxchainmask(_ah, _prxchainmask) \
1358	(ath_hal_getcapability(_ah, HAL_CAP_RX_CHAINMASK, 0, _prxchainmask))
1359#define	ath_hal_gettxchainmask(_ah, _ptxchainmask) \
1360	(ath_hal_getcapability(_ah, HAL_CAP_TX_CHAINMASK, 0, _ptxchainmask))
1361#define	ath_hal_setrxchainmask(_ah, _rx) \
1362	(ath_hal_setcapability(_ah, HAL_CAP_RX_CHAINMASK, 1, _rx, NULL))
1363#define	ath_hal_settxchainmask(_ah, _tx) \
1364	(ath_hal_setcapability(_ah, HAL_CAP_TX_CHAINMASK, 1, _tx, NULL))
1365#define	ath_hal_split4ktrans(_ah) \
1366	(ath_hal_getcapability(_ah, HAL_CAP_SPLIT_4KB_TRANS, \
1367	0, NULL) == HAL_OK)
1368#define	ath_hal_self_linked_final_rxdesc(_ah) \
1369	(ath_hal_getcapability(_ah, HAL_CAP_RXDESC_SELFLINK, \
1370	0, NULL) == HAL_OK)
1371#define	ath_hal_gtxto_supported(_ah) \
1372	(ath_hal_getcapability(_ah, HAL_CAP_GTXTO, 0, NULL) == HAL_OK)
1373#define	ath_hal_has_long_rxdesc_tsf(_ah) \
1374	(ath_hal_getcapability(_ah, HAL_CAP_LONG_RXDESC_TSF, \
1375	0, NULL) == HAL_OK)
1376#define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
1377	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
1378#define	ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext, _rs) \
1379	((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext), 0, (_rs)))
1380#define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
1381		_txr0, _txtr0, _keyix, _ant, _flags, \
1382		_rtsrate, _rtsdura) \
1383	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
1384		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
1385		(_flags), (_rtsrate), (_rtsdura), 0, 0, 0))
1386#define	ath_hal_setupxtxdesc(_ah, _ds, \
1387		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
1388	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), \
1389		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
1390#define	ath_hal_filltxdesc(_ah, _ds, _b, _l, _did, _qid, _first, _last, _ds0) \
1391	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_b), (_l), (_did), (_qid), \
1392		(_first), (_last), (_ds0)))
1393#define	ath_hal_txprocdesc(_ah, _ds, _ts) \
1394	((*(_ah)->ah_procTxDesc)((_ah), (_ds), (_ts)))
1395#define	ath_hal_gettxintrtxqs(_ah, _txqs) \
1396	((*(_ah)->ah_getTxIntrQueue)((_ah), (_txqs)))
1397#define ath_hal_gettxcompletionrates(_ah, _ds, _rates, _tries) \
1398	((*(_ah)->ah_getTxCompletionRates)((_ah), (_ds), (_rates), (_tries)))
1399#define ath_hal_settxdesclink(_ah, _ds, _link) \
1400	((*(_ah)->ah_setTxDescLink)((_ah), (_ds), (_link)))
1401#define ath_hal_gettxdesclink(_ah, _ds, _link) \
1402	((*(_ah)->ah_getTxDescLink)((_ah), (_ds), (_link)))
1403#define ath_hal_gettxdesclinkptr(_ah, _ds, _linkptr) \
1404	((*(_ah)->ah_getTxDescLinkPtr)((_ah), (_ds), (_linkptr)))
1405#define	ath_hal_setuptxstatusring(_ah, _tsstart, _tspstart, _size) \
1406	((*(_ah)->ah_setupTxStatusRing)((_ah), (_tsstart), (_tspstart), \
1407		(_size)))
1408#define	ath_hal_gettxrawtxdesc(_ah, _txstatus) \
1409	((*(_ah)->ah_getTxRawTxDesc)((_ah), (_txstatus)))
1410
1411#define	ath_hal_setupfirsttxdesc(_ah, _ds, _aggrlen, _flags, _txpower, \
1412		_txr0, _txtr0, _antm, _rcr, _rcd) \
1413	((*(_ah)->ah_setupFirstTxDesc)((_ah), (_ds), (_aggrlen), (_flags), \
1414	(_txpower), (_txr0), (_txtr0), (_antm), (_rcr), (_rcd)))
1415#define	ath_hal_chaintxdesc(_ah, _ds, _bl, _sl, _pktlen, _hdrlen, _type, \
1416	_keyix, _cipher, _delims, _first, _last, _lastaggr) \
1417	((*(_ah)->ah_chainTxDesc)((_ah), (_ds), (_bl), (_sl), \
1418	(_pktlen), (_hdrlen), (_type), (_keyix), (_cipher), (_delims), \
1419	(_first), (_last), (_lastaggr)))
1420#define	ath_hal_setuplasttxdesc(_ah, _ds, _ds0) \
1421	((*(_ah)->ah_setupLastTxDesc)((_ah), (_ds), (_ds0)))
1422
1423#define	ath_hal_set11nratescenario(_ah, _ds, _dur, _rt, _series, _ns, _flags) \
1424	((*(_ah)->ah_set11nRateScenario)((_ah), (_ds), (_dur), (_rt), \
1425	(_series), (_ns), (_flags)))
1426
1427#define	ath_hal_set11n_aggr_first(_ah, _ds, _len, _num) \
1428	((*(_ah)->ah_set11nAggrFirst)((_ah), (_ds), (_len), (_num)))
1429#define	ath_hal_set11n_aggr_middle(_ah, _ds, _num) \
1430	((*(_ah)->ah_set11nAggrMiddle)((_ah), (_ds), (_num)))
1431#define	ath_hal_set11n_aggr_last(_ah, _ds) \
1432	((*(_ah)->ah_set11nAggrLast)((_ah), (_ds)))
1433
1434#define	ath_hal_set11nburstduration(_ah, _ds, _dur) \
1435	((*(_ah)->ah_set11nBurstDuration)((_ah), (_ds), (_dur)))
1436#define	ath_hal_clr11n_aggr(_ah, _ds) \
1437	((*(_ah)->ah_clr11nAggr)((_ah), (_ds)))
1438#define	ath_hal_set11n_virtmorefrag(_ah, _ds, _v) \
1439	((*(_ah)->ah_set11nVirtMoreFrag)((_ah), (_ds), (_v)))
1440
1441#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
1442	((*(_ah)->ah_gpioCfgOutput)((_ah), (_gpio), (_type)))
1443#define	ath_hal_gpioset(_ah, _gpio, _b) \
1444	((*(_ah)->ah_gpioSet)((_ah), (_gpio), (_b)))
1445#define	ath_hal_gpioget(_ah, _gpio) \
1446	((*(_ah)->ah_gpioGet)((_ah), (_gpio)))
1447#define	ath_hal_gpiosetintr(_ah, _gpio, _b) \
1448	((*(_ah)->ah_gpioSetIntr)((_ah), (_gpio), (_b)))
1449
1450/*
1451 * PCIe suspend/resume/poweron/poweroff related macros
1452 */
1453#define	ath_hal_enablepcie(_ah, _restore, _poweroff) \
1454	((*(_ah)->ah_configPCIE)((_ah), (_restore), (_poweroff)))
1455#define	ath_hal_disablepcie(_ah) \
1456	((*(_ah)->ah_disablePCIE)((_ah)))
1457
1458/*
1459 * This is badly-named; you need to set the correct parameters
1460 * to begin to receive useful radar events; and even then
1461 * it doesn't "enable" DFS. See the ath_dfs/null/ module for
1462 * more information.
1463 */
1464#define	ath_hal_enabledfs(_ah, _param) \
1465	((*(_ah)->ah_enableDfs)((_ah), (_param)))
1466#define	ath_hal_getdfsthresh(_ah, _param) \
1467	((*(_ah)->ah_getDfsThresh)((_ah), (_param)))
1468#define	ath_hal_getdfsdefaultthresh(_ah, _param) \
1469	((*(_ah)->ah_getDfsDefaultThresh)((_ah), (_param)))
1470#define	ath_hal_procradarevent(_ah, _rxs, _fulltsf, _buf, _event) \
1471	((*(_ah)->ah_procRadarEvent)((_ah), (_rxs), (_fulltsf), \
1472	(_buf), (_event)))
1473#define	ath_hal_is_fast_clock_enabled(_ah) \
1474	((*(_ah)->ah_isFastClockEnabled)((_ah)))
1475#define	ath_hal_radar_wait(_ah, _chan) \
1476	((*(_ah)->ah_radarWait)((_ah), (_chan)))
1477#define	ath_hal_get_mib_cycle_counts(_ah, _sample) \
1478	((*(_ah)->ah_getMibCycleCounts)((_ah), (_sample)))
1479#define	ath_hal_get_chan_ext_busy(_ah) \
1480	((*(_ah)->ah_get11nExtBusy)((_ah)))
1481#define	ath_hal_setchainmasks(_ah, _txchainmask, _rxchainmask) \
1482	((*(_ah)->ah_setChainMasks)((_ah), (_txchainmask), (_rxchainmask)))
1483
1484#define	ath_hal_spectral_supported(_ah) \
1485	(ath_hal_getcapability(_ah, HAL_CAP_SPECTRAL_SCAN, 0, NULL) == HAL_OK)
1486#define	ath_hal_spectral_get_config(_ah, _p) \
1487	((*(_ah)->ah_spectralGetConfig)((_ah), (_p)))
1488#define	ath_hal_spectral_configure(_ah, _p) \
1489	((*(_ah)->ah_spectralConfigure)((_ah), (_p)))
1490#define	ath_hal_spectral_start(_ah) \
1491	((*(_ah)->ah_spectralStart)((_ah)))
1492#define	ath_hal_spectral_stop(_ah) \
1493	((*(_ah)->ah_spectralStop)((_ah)))
1494
1495#define	ath_hal_btcoex_supported(_ah) \
1496	(ath_hal_getcapability(_ah, HAL_CAP_BT_COEX, 0, NULL) == HAL_OK)
1497#define	ath_hal_btcoex_set_info(_ah, _info) \
1498	((*(_ah)->ah_btCoexSetInfo)((_ah), (_info)))
1499#define	ath_hal_btcoex_set_config(_ah, _cfg) \
1500	((*(_ah)->ah_btCoexSetConfig)((_ah), (_cfg)))
1501#define	ath_hal_btcoex_set_qcu_thresh(_ah, _qcuid) \
1502	((*(_ah)->ah_btCoexSetQcuThresh)((_ah), (_qcuid)))
1503#define	ath_hal_btcoex_set_weights(_ah, _weight) \
1504	((*(_ah)->ah_btCoexSetWeights)((_ah), (_weight)))
1505#define	ath_hal_btcoex_set_bmiss_thresh(_ah, _thr) \
1506	((*(_ah)->ah_btCoexSetBmissThresh)((_ah), (_thr)))
1507#define	ath_hal_btcoex_set_parameter(_ah, _attrib, _val) \
1508	((*(_ah)->ah_btCoexSetParameter)((_ah), (_attrib), (_val)))
1509#define	ath_hal_btcoex_enable(_ah) \
1510	((*(_ah)->ah_btCoexEnable)((_ah)))
1511#define	ath_hal_btcoex_disable(_ah) \
1512	((*(_ah)->ah_btCoexDisable)((_ah)))
1513
1514#define	ath_hal_btcoex_mci_setup(_ah, _gp, _gb, _gl, _sp) \
1515	((*(_ah)->ah_btMciSetup)((_ah), (_gp), (_gb), (_gl), (_sp)))
1516#define	ath_hal_btcoex_mci_send_message(_ah, _h, _f, _p, _l, _wd, _cbt) \
1517	((*(_ah)->ah_btMciSendMessage)((_ah), (_h), (_f), (_p), (_l), (_wd), (_cbt)))
1518#define	ath_hal_btcoex_mci_get_interrupt(_ah, _mi, _mm) \
1519	((*(_ah)->ah_btMciGetInterrupt)((_ah), (_mi), (_mm)))
1520#define	ath_hal_btcoex_mci_state(_ah, _st, _pd) \
1521	((*(_ah)->ah_btMciState)((_ah), (_st), (_pd)))
1522#define	ath_hal_btcoex_mci_detach(_ah) \
1523	((*(_ah)->ah_btMciDetach)((_ah)))
1524
1525#define	ath_hal_div_comb_conf_get(_ah, _conf) \
1526	((*(_ah)->ah_divLnaConfGet)((_ah), (_conf)))
1527#define	ath_hal_div_comb_conf_set(_ah, _conf) \
1528	((*(_ah)->ah_divLnaConfSet)((_ah), (_conf)))
1529
1530#endif /* _DEV_ATH_ATHVAR_H */
1531