if_athvar.h revision 250865
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 250865 2013-05-21 18:02:54Z 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 <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 key cache is used for h/w cipher state and also for
86 * tracking station state such as the current tx antenna.
87 * We also setup a mapping table between key cache slot indices
88 * and station state to short-circuit node lookups on rx.
89 * Different parts have different size key caches.  We handle
90 * up to ATH_KEYMAX entries (could dynamically allocate state).
91 */
92#define	ATH_KEYMAX	128		/* max key cache size we handle */
93#define	ATH_KEYBYTES	(ATH_KEYMAX/NBBY)	/* storage space in bytes */
94
95struct taskqueue;
96struct kthread;
97struct ath_buf;
98
99#define	ATH_TID_MAX_BUFS	(2 * IEEE80211_AGGR_BAWMAX)
100
101/*
102 * Per-TID state
103 *
104 * Note that TID 16 (WME_NUM_TID+1) is for handling non-QoS frames.
105 */
106struct ath_tid {
107	TAILQ_HEAD(,ath_buf)	tid_q;		/* pending buffers */
108	struct ath_node		*an;		/* pointer to parent */
109	int			tid;		/* tid */
110	int			ac;		/* which AC gets this trafic */
111	int			hwq_depth;	/* how many buffers are on HW */
112	u_int			axq_depth;	/* SW queue depth */
113
114	struct {
115		TAILQ_HEAD(,ath_buf)	tid_q;		/* filtered queue */
116		u_int			axq_depth;	/* SW queue depth */
117	} filtq;
118
119	/*
120	 * Entry on the ath_txq; when there's traffic
121	 * to send
122	 */
123	TAILQ_ENTRY(ath_tid)	axq_qelem;
124	int			sched;
125	int			paused;	/* >0 if the TID has been paused */
126
127	/*
128	 * These are flags - perhaps later collapse
129	 * down to a single uint32_t ?
130	 */
131	int			addba_tx_pending;	/* TX ADDBA pending */
132	int			bar_wait;	/* waiting for BAR */
133	int			bar_tx;		/* BAR TXed */
134	int			isfiltered;	/* is this node currently filtered */
135
136	/*
137	 * Is the TID being cleaned up after a transition
138	 * from aggregation to non-aggregation?
139	 * When this is set to 1, this TID will be paused
140	 * and no further traffic will be queued until all
141	 * the hardware packets pending for this TID have been
142	 * TXed/completed; at which point (non-aggregation)
143	 * traffic will resume being TXed.
144	 */
145	int			cleanup_inprogress;
146	/*
147	 * How many hardware-queued packets are
148	 * waiting to be cleaned up.
149	 * This is only valid if cleanup_inprogress is 1.
150	 */
151	int			incomp;
152
153	/*
154	 * The following implements a ring representing
155	 * the frames in the current BAW.
156	 * To avoid copying the array content each time
157	 * the BAW is moved, the baw_head/baw_tail point
158	 * to the current BAW begin/end; when the BAW is
159	 * shifted the head/tail of the array are also
160	 * appropriately shifted.
161	 */
162	/* active tx buffers, beginning at current BAW */
163	struct ath_buf		*tx_buf[ATH_TID_MAX_BUFS];
164	/* where the baw head is in the array */
165	int			baw_head;
166	/* where the BAW tail is in the array */
167	int			baw_tail;
168};
169
170/* driver-specific node state */
171struct ath_node {
172	struct ieee80211_node an_node;	/* base class */
173	u_int8_t	an_mgmtrix;	/* min h/w rate index */
174	u_int8_t	an_mcastrix;	/* mcast h/w rate index */
175	uint32_t	an_is_powersave;	/* node is sleeping */
176	uint32_t	an_stack_psq;		/* net80211 psq isn't empty */
177	uint32_t	an_tim_set;		/* TIM has been set */
178	struct ath_buf	*an_ff_buf[WME_NUM_AC]; /* ff staging area */
179	struct ath_tid	an_tid[IEEE80211_TID_SIZE];	/* per-TID state */
180	char		an_name[32];	/* eg "wlan0_a1" */
181	struct mtx	an_mtx;		/* protecting the rate control state */
182	uint32_t	an_swq_depth;	/* how many SWQ packets for this
183					   node */
184	int			clrdmask;	/* has clrdmask been set */
185	uint32_t	an_leak_count;	/* How many frames to leak during pause */
186	/* variable-length rate control state follows */
187};
188#define	ATH_NODE(ni)	((struct ath_node *)(ni))
189#define	ATH_NODE_CONST(ni)	((const struct ath_node *)(ni))
190
191#define ATH_RSSI_LPF_LEN	10
192#define ATH_RSSI_DUMMY_MARKER	0x127
193#define ATH_EP_MUL(x, mul)	((x) * (mul))
194#define ATH_RSSI_IN(x)		(ATH_EP_MUL((x), HAL_RSSI_EP_MULTIPLIER))
195#define ATH_LPF_RSSI(x, y, len) \
196    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
197#define ATH_RSSI_LPF(x, y) do {						\
198    if ((y) >= -20)							\
199    	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);	\
200} while (0)
201#define	ATH_EP_RND(x,mul) \
202	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
203#define	ATH_RSSI(x)		ATH_EP_RND(x, HAL_RSSI_EP_MULTIPLIER)
204
205typedef enum {
206	ATH_BUFTYPE_NORMAL	= 0,
207	ATH_BUFTYPE_MGMT	= 1,
208} ath_buf_type_t;
209
210struct ath_buf {
211	TAILQ_ENTRY(ath_buf)	bf_list;
212	struct ath_buf *	bf_next;	/* next buffer in the aggregate */
213	int			bf_nseg;
214	HAL_STATUS		bf_rxstatus;
215	uint16_t		bf_flags;	/* status flags (below) */
216	uint16_t		bf_descid;	/* 16 bit descriptor ID */
217	struct ath_desc		*bf_desc;	/* virtual addr of desc */
218	struct ath_desc_status	bf_status;	/* tx/rx status */
219	bus_addr_t		bf_daddr;	/* physical addr of desc */
220	bus_dmamap_t		bf_dmamap;	/* DMA map for mbuf chain */
221	struct mbuf		*bf_m;		/* mbuf for buf */
222	struct ieee80211_node	*bf_node;	/* pointer to the node */
223	struct ath_desc		*bf_lastds;	/* last descriptor for comp status */
224	struct ath_buf		*bf_last;	/* last buffer in aggregate, or self for non-aggregate */
225	bus_size_t		bf_mapsize;
226#define	ATH_MAX_SCATTER		ATH_TXDESC	/* max(tx,rx,beacon) desc's */
227	bus_dma_segment_t	bf_segs[ATH_MAX_SCATTER];
228
229	/* Completion function to call on TX complete (fail or not) */
230	/*
231	 * "fail" here is set to 1 if the queue entries were removed
232	 * through a call to ath_tx_draintxq().
233	 */
234	void(* bf_comp) (struct ath_softc *sc, struct ath_buf *bf, int fail);
235
236	/* This state is kept to support software retries and aggregation */
237	struct {
238		uint16_t bfs_seqno;	/* sequence number of this packet */
239		uint16_t bfs_ndelim;	/* number of delims for padding */
240
241		uint8_t bfs_retries;	/* retry count */
242		uint8_t bfs_tid;	/* packet TID (or TID_MAX for no QoS) */
243		uint8_t bfs_nframes;	/* number of frames in aggregate */
244		uint8_t bfs_pri;	/* packet AC priority */
245		uint8_t bfs_tx_queue;	/* destination hardware TX queue */
246
247		u_int32_t bfs_aggr:1,		/* part of aggregate? */
248		    bfs_aggrburst:1,	/* part of aggregate burst? */
249		    bfs_isretried:1,	/* retried frame? */
250		    bfs_dobaw:1,	/* actually check against BAW? */
251		    bfs_addedbaw:1,	/* has been added to the BAW */
252		    bfs_shpream:1,	/* use short preamble */
253		    bfs_istxfrag:1,	/* is fragmented */
254		    bfs_ismrr:1,	/* do multi-rate TX retry */
255		    bfs_doprot:1,	/* do RTS/CTS based protection */
256		    bfs_doratelookup:1;	/* do rate lookup before each TX */
257
258		/*
259		 * These fields are passed into the
260		 * descriptor setup functions.
261		 */
262
263		/* Make this an 8 bit value? */
264		HAL_PKT_TYPE bfs_atype;	/* packet type */
265
266		uint32_t bfs_pktlen;	/* length of this packet */
267
268		uint16_t bfs_hdrlen;	/* length of this packet header */
269		uint16_t bfs_al;	/* length of aggregate */
270
271		uint16_t bfs_txflags;	/* HAL (tx) descriptor flags */
272		uint8_t bfs_txrate0;	/* first TX rate */
273		uint8_t bfs_try0;		/* first try count */
274
275		uint16_t bfs_txpower;	/* tx power */
276		uint8_t bfs_ctsrate0;	/* Non-zero - use this as ctsrate */
277		uint8_t bfs_ctsrate;	/* CTS rate */
278
279		/* 16 bit? */
280		int32_t bfs_keyix;		/* crypto key index */
281		int32_t bfs_txantenna;	/* TX antenna config */
282
283		/* Make this an 8 bit value? */
284		enum ieee80211_protmode bfs_protmode;
285
286		/* 16 bit? */
287		uint32_t bfs_ctsduration;	/* CTS duration (pre-11n NICs) */
288		struct ath_rc_series bfs_rc[ATH_RC_NUM];	/* non-11n TX series */
289	} bf_state;
290};
291typedef TAILQ_HEAD(ath_bufhead_s, ath_buf) ath_bufhead;
292
293#define	ATH_BUF_MGMT	0x00000001	/* (tx) desc is a mgmt desc */
294#define	ATH_BUF_BUSY	0x00000002	/* (tx) desc owned by h/w */
295#define	ATH_BUF_FIFOEND	0x00000004
296#define	ATH_BUF_FIFOPTR	0x00000008
297
298#define	ATH_BUF_FLAGS_CLONE	(ATH_BUF_MGMT)
299
300/*
301 * DMA state for tx/rx descriptors.
302 */
303struct ath_descdma {
304	const char*		dd_name;
305	struct ath_desc		*dd_desc;	/* descriptors */
306	int			dd_descsize;	/* size of single descriptor */
307	bus_addr_t		dd_desc_paddr;	/* physical addr of dd_desc */
308	bus_size_t		dd_desc_len;	/* size of dd_desc */
309	bus_dma_segment_t	dd_dseg;
310	bus_dma_tag_t		dd_dmat;	/* bus DMA tag */
311	bus_dmamap_t		dd_dmamap;	/* DMA map for descriptors */
312	struct ath_buf		*dd_bufptr;	/* associated buffers */
313};
314
315/*
316 * Data transmit queue state.  One of these exists for each
317 * hardware transmit queue.  Packets sent to us from above
318 * are assigned to queues based on their priority.  Not all
319 * devices support a complete set of hardware transmit queues.
320 * For those devices the array sc_ac2q will map multiple
321 * priorities to fewer hardware queues (typically all to one
322 * hardware queue).
323 */
324struct ath_txq {
325	struct ath_softc	*axq_softc;	/* Needed for scheduling */
326	u_int			axq_qnum;	/* hardware q number */
327#define	ATH_TXQ_SWQ	(HAL_NUM_TX_QUEUES+1)	/* qnum for s/w only queue */
328	u_int			axq_ac;		/* WME AC */
329	u_int			axq_flags;
330//#define	ATH_TXQ_PUTPENDING	0x0001		/* ath_hal_puttxbuf pending */
331#define	ATH_TXQ_PUTRUNNING	0x0002		/* ath_hal_puttxbuf has been called */
332	u_int			axq_depth;	/* queue depth (stat only) */
333	u_int			axq_aggr_depth;	/* how many aggregates are queued */
334	u_int			axq_intrcnt;	/* interrupt count */
335	u_int32_t		*axq_link;	/* link ptr in last TX desc */
336	TAILQ_HEAD(axq_q_s, ath_buf)	axq_q;		/* transmit queue */
337	struct mtx		axq_lock;	/* lock on q and link */
338
339	/*
340	 * This is the FIFO staging buffer when doing EDMA.
341	 *
342	 * For legacy chips, we just push the head pointer to
343	 * the hardware and we ignore this list.
344	 *
345	 * For EDMA, the staging buffer is treated as normal;
346	 * when it's time to push a list of frames to the hardware
347	 * we move that list here and we stamp buffers with
348	 * flags to identify the beginning/end of that particular
349	 * FIFO entry.
350	 */
351	struct {
352		TAILQ_HEAD(axq_q_f_s, ath_buf)	axq_q;
353		u_int				axq_depth;
354	} fifo;
355	u_int			axq_fifo_depth;	/* depth of FIFO frames */
356
357	/*
358	 * XXX the holdingbf field is protected by the TXBUF lock
359	 * for now, NOT the TXQ lock.
360	 *
361	 * Architecturally, it would likely be better to move
362	 * the holdingbf field to a separate array in ath_softc
363	 * just to highlight that it's not protected by the normal
364	 * TX path lock.
365	 */
366	struct ath_buf		*axq_holdingbf;	/* holding TX buffer */
367	char			axq_name[12];	/* e.g. "ath0_txq4" */
368
369	/* Per-TID traffic queue for software -> hardware TX */
370	/*
371	 * This is protected by the general TX path lock, not (for now)
372	 * by the TXQ lock.
373	 */
374	TAILQ_HEAD(axq_t_s,ath_tid)	axq_tidq;
375};
376
377#define	ATH_TXQ_LOCK_INIT(_sc, _tq) do { \
378	    snprintf((_tq)->axq_name, sizeof((_tq)->axq_name), "%s_txq%u", \
379	      device_get_nameunit((_sc)->sc_dev), (_tq)->axq_qnum); \
380	    mtx_init(&(_tq)->axq_lock, (_tq)->axq_name, NULL, MTX_DEF); \
381	} while (0)
382#define	ATH_TXQ_LOCK_DESTROY(_tq)	mtx_destroy(&(_tq)->axq_lock)
383#define	ATH_TXQ_LOCK(_tq)		mtx_lock(&(_tq)->axq_lock)
384#define	ATH_TXQ_UNLOCK(_tq)		mtx_unlock(&(_tq)->axq_lock)
385#define	ATH_TXQ_LOCK_ASSERT(_tq)	mtx_assert(&(_tq)->axq_lock, MA_OWNED)
386#define	ATH_TXQ_UNLOCK_ASSERT(_tq)	mtx_assert(&(_tq)->axq_lock,	\
387					    MA_NOTOWNED)
388
389
390#define	ATH_NODE_LOCK(_an)		mtx_lock(&(_an)->an_mtx)
391#define	ATH_NODE_UNLOCK(_an)		mtx_unlock(&(_an)->an_mtx)
392#define	ATH_NODE_LOCK_ASSERT(_an)	mtx_assert(&(_an)->an_mtx, MA_OWNED)
393#define	ATH_NODE_UNLOCK_ASSERT(_an)	mtx_assert(&(_an)->an_mtx,	\
394					    MA_NOTOWNED)
395
396/*
397 * These are for the hardware queue.
398 */
399#define ATH_TXQ_INSERT_HEAD(_tq, _elm, _field) do { \
400	TAILQ_INSERT_HEAD(&(_tq)->axq_q, (_elm), _field); \
401	(_tq)->axq_depth++; \
402} while (0)
403#define ATH_TXQ_INSERT_TAIL(_tq, _elm, _field) do { \
404	TAILQ_INSERT_TAIL(&(_tq)->axq_q, (_elm), _field); \
405	(_tq)->axq_depth++; \
406} while (0)
407#define ATH_TXQ_REMOVE(_tq, _elm, _field) do { \
408	TAILQ_REMOVE(&(_tq)->axq_q, _elm, _field); \
409	(_tq)->axq_depth--; \
410} while (0)
411#define	ATH_TXQ_FIRST(_tq)		TAILQ_FIRST(&(_tq)->axq_q)
412#define	ATH_TXQ_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->axq_q, _field)
413
414/*
415 * These are for the TID software queue.
416 */
417#define ATH_TID_INSERT_HEAD(_tq, _elm, _field) do { \
418	TAILQ_INSERT_HEAD(&(_tq)->tid_q, (_elm), _field); \
419	(_tq)->axq_depth++; \
420	(_tq)->an->an_swq_depth++; \
421} while (0)
422#define ATH_TID_INSERT_TAIL(_tq, _elm, _field) do { \
423	TAILQ_INSERT_TAIL(&(_tq)->tid_q, (_elm), _field); \
424	(_tq)->axq_depth++; \
425	(_tq)->an->an_swq_depth++; \
426} while (0)
427#define ATH_TID_REMOVE(_tq, _elm, _field) do { \
428	TAILQ_REMOVE(&(_tq)->tid_q, _elm, _field); \
429	(_tq)->axq_depth--; \
430	(_tq)->an->an_swq_depth--; \
431} while (0)
432#define	ATH_TID_FIRST(_tq)		TAILQ_FIRST(&(_tq)->tid_q)
433#define	ATH_TID_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->tid_q, _field)
434
435/*
436 * These are for the TID filtered frame queue
437 */
438#define ATH_TID_FILT_INSERT_HEAD(_tq, _elm, _field) do { \
439	TAILQ_INSERT_HEAD(&(_tq)->filtq.tid_q, (_elm), _field); \
440	(_tq)->axq_depth++; \
441	(_tq)->an->an_swq_depth++; \
442} while (0)
443#define ATH_TID_FILT_INSERT_TAIL(_tq, _elm, _field) do { \
444	TAILQ_INSERT_TAIL(&(_tq)->filtq.tid_q, (_elm), _field); \
445	(_tq)->axq_depth++; \
446	(_tq)->an->an_swq_depth++; \
447} while (0)
448#define ATH_TID_FILT_REMOVE(_tq, _elm, _field) do { \
449	TAILQ_REMOVE(&(_tq)->filtq.tid_q, _elm, _field); \
450	(_tq)->axq_depth--; \
451	(_tq)->an->an_swq_depth--; \
452} while (0)
453#define	ATH_TID_FILT_FIRST(_tq)		TAILQ_FIRST(&(_tq)->filtq.tid_q)
454#define	ATH_TID_FILT_LAST(_tq, _field)	TAILQ_LAST(&(_tq)->filtq.tid_q,_field)
455
456struct ath_vap {
457	struct ieee80211vap av_vap;	/* base class */
458	int		av_bslot;	/* beacon slot index */
459	struct ath_buf	*av_bcbuf;	/* beacon buffer */
460	struct ieee80211_beacon_offsets av_boff;/* dynamic update state */
461	struct ath_txq	av_mcastq;	/* buffered mcast s/w queue */
462
463	void		(*av_recv_mgmt)(struct ieee80211_node *,
464				struct mbuf *, int, int, int);
465	int		(*av_newstate)(struct ieee80211vap *,
466				enum ieee80211_state, int);
467	void		(*av_bmiss)(struct ieee80211vap *);
468	void		(*av_node_ps)(struct ieee80211_node *, int);
469	int		(*av_set_tim)(struct ieee80211_node *, int);
470	void		(*av_recv_pspoll)(struct ieee80211_node *,
471				struct mbuf *);
472};
473#define	ATH_VAP(vap)	((struct ath_vap *)(vap))
474
475struct taskqueue;
476struct ath_tx99;
477
478/*
479 * Whether to reset the TX/RX queue with or without
480 * a queue flush.
481 */
482typedef enum {
483	ATH_RESET_DEFAULT = 0,
484	ATH_RESET_NOLOSS = 1,
485	ATH_RESET_FULL = 2,
486} ATH_RESET_TYPE;
487
488struct ath_rx_methods {
489	void		(*recv_sched_queue)(struct ath_softc *sc,
490			    HAL_RX_QUEUE q, int dosched);
491	void		(*recv_sched)(struct ath_softc *sc, int dosched);
492	void		(*recv_stop)(struct ath_softc *sc, int dodelay);
493	int		(*recv_start)(struct ath_softc *sc);
494	void		(*recv_flush)(struct ath_softc *sc);
495	void		(*recv_tasklet)(void *arg, int npending);
496	int		(*recv_rxbuf_init)(struct ath_softc *sc,
497			    struct ath_buf *bf);
498	int		(*recv_setup)(struct ath_softc *sc);
499	int		(*recv_teardown)(struct ath_softc *sc);
500};
501
502/*
503 * Represent the current state of the RX FIFO.
504 */
505struct ath_rx_edma {
506	struct ath_buf	**m_fifo;
507	int		m_fifolen;
508	int		m_fifo_head;
509	int		m_fifo_tail;
510	int		m_fifo_depth;
511	struct mbuf	*m_rxpending;
512};
513
514struct ath_tx_edma_fifo {
515	struct ath_buf	**m_fifo;
516	int		m_fifolen;
517	int		m_fifo_head;
518	int		m_fifo_tail;
519	int		m_fifo_depth;
520};
521
522struct ath_tx_methods {
523	int		(*xmit_setup)(struct ath_softc *sc);
524	int		(*xmit_teardown)(struct ath_softc *sc);
525	void		(*xmit_attach_comp_func)(struct ath_softc *sc);
526
527	void		(*xmit_dma_restart)(struct ath_softc *sc,
528			    struct ath_txq *txq);
529	void		(*xmit_handoff)(struct ath_softc *sc,
530			    struct ath_txq *txq, struct ath_buf *bf);
531	void		(*xmit_drain)(struct ath_softc *sc,
532			    ATH_RESET_TYPE reset_type);
533};
534
535struct ath_softc {
536	struct ifnet		*sc_ifp;	/* interface common */
537	struct ath_stats	sc_stats;	/* interface statistics */
538	struct ath_tx_aggr_stats	sc_aggr_stats;
539	struct ath_intr_stats	sc_intr_stats;
540	uint64_t		sc_debug;
541	uint64_t		sc_ktrdebug;
542	int			sc_nvaps;	/* # vaps */
543	int			sc_nstavaps;	/* # station vaps */
544	int			sc_nmeshvaps;	/* # mbss vaps */
545	u_int8_t		sc_hwbssidmask[IEEE80211_ADDR_LEN];
546	u_int8_t		sc_nbssid0;	/* # vap's using base mac */
547	uint32_t		sc_bssidmask;	/* bssid mask */
548
549	struct ath_rx_methods	sc_rx;
550	struct ath_rx_edma	sc_rxedma[HAL_NUM_RX_QUEUES];	/* HP/LP queues */
551	ath_bufhead		sc_rx_rxlist[HAL_NUM_RX_QUEUES];	/* deferred RX completion */
552	struct ath_tx_methods	sc_tx;
553	struct ath_tx_edma_fifo	sc_txedma[HAL_NUM_TX_QUEUES];
554
555	/*
556	 * This is (currently) protected by the TX queue lock;
557	 * it should migrate to a separate lock later
558	 * so as to minimise contention.
559	 */
560	ath_bufhead		sc_txbuf_list;
561
562	int			sc_rx_statuslen;
563	int			sc_tx_desclen;
564	int			sc_tx_statuslen;
565	int			sc_tx_nmaps;	/* Number of TX maps */
566	int			sc_edma_bufsize;
567
568	void 			(*sc_node_cleanup)(struct ieee80211_node *);
569	void 			(*sc_node_free)(struct ieee80211_node *);
570	device_t		sc_dev;
571	HAL_BUS_TAG		sc_st;		/* bus space tag */
572	HAL_BUS_HANDLE		sc_sh;		/* bus space handle */
573	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
574	struct mtx		sc_mtx;		/* master lock (recursive) */
575	struct mtx		sc_pcu_mtx;	/* PCU access mutex */
576	char			sc_pcu_mtx_name[32];
577	struct mtx		sc_rx_mtx;	/* RX access mutex */
578	char			sc_rx_mtx_name[32];
579	struct mtx		sc_tx_mtx;	/* TX handling/comp mutex */
580	char			sc_tx_mtx_name[32];
581	struct mtx		sc_tx_ic_mtx;	/* TX queue mutex */
582	char			sc_tx_ic_mtx_name[32];
583	struct taskqueue	*sc_tq;		/* private task queue */
584	struct ath_hal		*sc_ah;		/* Atheros HAL */
585	struct ath_ratectrl	*sc_rc;		/* tx rate control support */
586	struct ath_tx99		*sc_tx99;	/* tx99 adjunct state */
587	void			(*sc_setdefantenna)(struct ath_softc *, u_int);
588
589	/*
590	 * First set of flags.
591	 */
592	uint32_t		sc_invalid  : 1,/* disable hardware accesses */
593				sc_mrretry  : 1,/* multi-rate retry support */
594				sc_mrrprot  : 1,/* MRR + protection support */
595				sc_softled  : 1,/* enable LED gpio status */
596				sc_hardled  : 1,/* enable MAC LED status */
597				sc_splitmic : 1,/* split TKIP MIC keys */
598				sc_needmib  : 1,/* enable MIB stats intr */
599				sc_diversity: 1,/* enable rx diversity */
600				sc_hasveol  : 1,/* tx VEOL support */
601				sc_ledstate : 1,/* LED on/off state */
602				sc_blinking : 1,/* LED blink operation active */
603				sc_mcastkey : 1,/* mcast key cache search */
604				sc_scanning : 1,/* scanning active */
605				sc_syncbeacon:1,/* sync/resync beacon timers */
606				sc_hasclrkey: 1,/* CLR key supported */
607				sc_xchanmode: 1,/* extended channel mode */
608				sc_outdoor  : 1,/* outdoor operation */
609				sc_dturbo   : 1,/* dynamic turbo in use */
610				sc_hasbmask : 1,/* bssid mask support */
611				sc_hasbmatch: 1,/* bssid match disable support*/
612				sc_hastsfadd: 1,/* tsf adjust support */
613				sc_beacons  : 1,/* beacons running */
614				sc_swbmiss  : 1,/* sta mode using sw bmiss */
615				sc_stagbeacons:1,/* use staggered beacons */
616				sc_wmetkipmic:1,/* can do WME+TKIP MIC */
617				sc_resume_up: 1,/* on resume, start all vaps */
618				sc_tdma	    : 1,/* TDMA in use */
619				sc_setcca   : 1,/* set/clr CCA with TDMA */
620				sc_resetcal : 1,/* reset cal state next trip */
621				sc_rxslink  : 1,/* do self-linked final descriptor */
622				sc_rxtsf32  : 1,/* RX dec TSF is 32 bits */
623				sc_isedma   : 1;/* supports EDMA */
624
625	/*
626	 * Second set of flags.
627	 */
628	u_int32_t		sc_use_ent  : 1,
629				sc_rx_stbc  : 1,
630				sc_tx_stbc  : 1,
631				sc_hasenforcetxop : 1; /* support enforce TxOP */
632
633
634	int			sc_cabq_enable;	/* Enable cabq transmission */
635
636	/*
637	 * Enterprise mode configuration for AR9380 and later chipsets.
638	 */
639	uint32_t		sc_ent_cfg;
640
641	uint32_t		sc_eerd;	/* regdomain from EEPROM */
642	uint32_t		sc_eecc;	/* country code from EEPROM */
643						/* rate tables */
644	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
645	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
646	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
647	HAL_OPMODE		sc_opmode;	/* current operating mode */
648	u_int16_t		sc_curtxpow;	/* current tx power limit */
649	u_int16_t		sc_curaid;	/* current association id */
650	struct ieee80211_channel *sc_curchan;	/* current installed channel */
651	u_int8_t		sc_curbssid[IEEE80211_ADDR_LEN];
652	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
653	struct {
654		u_int8_t	ieeerate;	/* IEEE rate */
655		u_int8_t	rxflags;	/* radiotap rx flags */
656		u_int8_t	txflags;	/* radiotap tx flags */
657		u_int16_t	ledon;		/* softled on time */
658		u_int16_t	ledoff;		/* softled off time */
659	} sc_hwmap[32];				/* h/w rate ix mappings */
660	u_int8_t		sc_protrix;	/* protection rate index */
661	u_int8_t		sc_lastdatarix;	/* last data frame rate index */
662	u_int			sc_mcastrate;	/* ieee rate for mcastrateix */
663	u_int			sc_fftxqmin;	/* min frames before staging */
664	u_int			sc_fftxqmax;	/* max frames before drop */
665	u_int			sc_txantenna;	/* tx antenna (fixed or auto) */
666
667	HAL_INT			sc_imask;	/* interrupt mask copy */
668
669	/*
670	 * These are modified in the interrupt handler as well as
671	 * the task queues and other contexts. Thus these must be
672	 * protected by a mutex, or they could clash.
673	 *
674	 * For now, access to these is behind the ATH_LOCK,
675	 * just to save time.
676	 */
677	uint32_t		sc_txq_active;	/* bitmap of active TXQs */
678	uint32_t		sc_kickpcu;	/* whether to kick the PCU */
679	uint32_t		sc_rxproc_cnt;	/* In RX processing */
680	uint32_t		sc_txproc_cnt;	/* In TX processing */
681	uint32_t		sc_txstart_cnt;	/* In TX output (raw/start) */
682	uint32_t		sc_inreset_cnt;	/* In active reset/chanchange */
683	uint32_t		sc_txrx_cnt;	/* refcount on stop/start'ing TX */
684	uint32_t		sc_intr_cnt;	/* refcount on interrupt handling */
685
686	u_int			sc_keymax;	/* size of key cache */
687	u_int8_t		sc_keymap[ATH_KEYBYTES];/* key use bit map */
688
689	/*
690	 * Software based LED blinking
691	 */
692	u_int			sc_ledpin;	/* GPIO pin for driving LED */
693	u_int			sc_ledon;	/* pin setting for LED on */
694	u_int			sc_ledidle;	/* idle polling interval */
695	int			sc_ledevent;	/* time of last LED event */
696	u_int8_t		sc_txrix;	/* current tx rate for LED */
697	u_int16_t		sc_ledoff;	/* off time for current blink */
698	struct callout		sc_ledtimer;	/* led off timer */
699
700	/*
701	 * Hardware based LED blinking
702	 */
703	int			sc_led_pwr_pin;	/* MAC power LED GPIO pin */
704	int			sc_led_net_pin;	/* MAC network LED GPIO pin */
705
706	u_int			sc_rfsilentpin;	/* GPIO pin for rfkill int */
707	u_int			sc_rfsilentpol;	/* pin setting for rfkill on */
708
709	struct ath_descdma	sc_rxdma;	/* RX descriptors */
710	ath_bufhead		sc_rxbuf;	/* receive buffer */
711	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
712	struct task		sc_rxtask;	/* rx int processing */
713	u_int8_t		sc_defant;	/* current default antenna */
714	u_int8_t		sc_rxotherant;	/* rx's on non-default antenna*/
715	u_int64_t		sc_lastrx;	/* tsf at last rx'd frame */
716	struct ath_rx_status	*sc_lastrs;	/* h/w status of last rx */
717	struct ath_rx_radiotap_header sc_rx_th;
718	int			sc_rx_th_len;
719	u_int			sc_monpass;	/* frames to pass in mon.mode */
720
721	struct ath_descdma	sc_txdma;	/* TX descriptors */
722	uint16_t		sc_txbuf_descid;
723	ath_bufhead		sc_txbuf;	/* transmit buffer */
724	int			sc_txbuf_cnt;	/* how many buffers avail */
725	struct ath_descdma	sc_txdma_mgmt;	/* mgmt TX descriptors */
726	ath_bufhead		sc_txbuf_mgmt;	/* mgmt transmit buffer */
727	struct ath_descdma	sc_txsdma;	/* EDMA TX status desc's */
728	struct mtx		sc_txbuflock;	/* txbuf lock */
729	char			sc_txname[12];	/* e.g. "ath0_buf" */
730	u_int			sc_txqsetup;	/* h/w queues setup */
731	u_int			sc_txintrperiod;/* tx interrupt batching */
732	struct ath_txq		sc_txq[HAL_NUM_TX_QUEUES];
733	struct ath_txq		*sc_ac2q[5];	/* WME AC -> h/w q map */
734	struct task		sc_txtask;	/* tx int processing */
735	struct task		sc_txqtask;	/* tx proc processing */
736	struct task		sc_txpkttask;	/* tx frame processing */
737
738	struct ath_descdma	sc_txcompdma;	/* TX EDMA completion */
739	struct mtx		sc_txcomplock;	/* TX EDMA completion lock */
740	char			sc_txcompname[12];	/* eg ath0_txcomp */
741
742	int			sc_wd_timer;	/* count down for wd timer */
743	struct callout		sc_wd_ch;	/* tx watchdog timer */
744	struct ath_tx_radiotap_header sc_tx_th;
745	int			sc_tx_th_len;
746
747	struct ath_descdma	sc_bdma;	/* beacon descriptors */
748	ath_bufhead		sc_bbuf;	/* beacon buffers */
749	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
750	u_int			sc_bmisscount;	/* missed beacon transmits */
751	u_int32_t		sc_ant_tx[8];	/* recent tx frames/antenna */
752	struct ath_txq		*sc_cabq;	/* tx q for cab frames */
753	struct task		sc_bmisstask;	/* bmiss int processing */
754	struct task		sc_bstucktask;	/* stuck beacon processing */
755	struct task		sc_resettask;	/* interface reset task */
756	struct task		sc_fataltask;	/* fatal task */
757	enum {
758		OK,				/* no change needed */
759		UPDATE,				/* update pending */
760		COMMIT				/* beacon sent, commit change */
761	} sc_updateslot;			/* slot time update fsm */
762	int			sc_slotupdate;	/* slot to advance fsm */
763	struct ieee80211vap	*sc_bslot[ATH_BCBUF];
764	int			sc_nbcnvaps;	/* # vaps with beacons */
765
766	struct callout		sc_cal_ch;	/* callout handle for cals */
767	int			sc_lastlongcal;	/* last long cal completed */
768	int			sc_lastcalreset;/* last cal reset done */
769	int			sc_lastani;	/* last ANI poll */
770	int			sc_lastshortcal;	/* last short calibration */
771	HAL_BOOL		sc_doresetcal;	/* Yes, we're doing a reset cal atm */
772	HAL_NODE_STATS		sc_halstats;	/* station-mode rssi stats */
773	u_int			sc_tdmadbaprep;	/* TDMA DBA prep time */
774	u_int			sc_tdmaswbaprep;/* TDMA SWBA prep time */
775	u_int			sc_tdmaswba;	/* TDMA SWBA counter */
776	u_int32_t		sc_tdmabintval;	/* TDMA beacon interval (TU) */
777	u_int32_t		sc_tdmaguard;	/* TDMA guard time (usec) */
778	u_int			sc_tdmaslotlen;	/* TDMA slot length (usec) */
779	u_int32_t		sc_avgtsfdeltap;/* TDMA slot adjust (+) */
780	u_int32_t		sc_avgtsfdeltam;/* TDMA slot adjust (-) */
781	uint16_t		*sc_eepromdata;	/* Local eeprom data, if AR9100 */
782	uint32_t		sc_txchainmask;	/* hardware TX chainmask */
783	uint32_t		sc_rxchainmask;	/* hardware RX chainmask */
784	uint32_t		sc_cur_txchainmask;	/* currently configured TX chainmask */
785	uint32_t		sc_cur_rxchainmask;	/* currently configured RX chainmask */
786	uint32_t		sc_rts_aggr_limit;	/* TX limit on RTS aggregates */
787	int			sc_aggr_limit;	/* TX limit on all aggregates */
788	int			sc_delim_min_pad;	/* Minimum delimiter count */
789
790	/* Queue limits */
791
792	/*
793	 * To avoid queue starvation in congested conditions,
794	 * these parameters tune the maximum number of frames
795	 * queued to the data/mcastq before they're dropped.
796	 *
797	 * This is to prevent:
798	 * + a single destination overwhelming everything, including
799	 *   management/multicast frames;
800	 * + multicast frames overwhelming everything (when the
801	 *   air is sufficiently busy that cabq can't drain.)
802	 * + A node in powersave shouldn't be allowed to exhaust
803	 *   all available mbufs;
804	 *
805	 * These implement:
806	 * + data_minfree is the maximum number of free buffers
807	 *   overall to successfully allow a data frame.
808	 *
809	 * + mcastq_maxdepth is the maximum depth allowed of the cabq.
810	 */
811	int			sc_txq_node_maxdepth;
812	int			sc_txq_data_minfree;
813	int			sc_txq_mcastq_maxdepth;
814	int			sc_txq_node_psq_maxdepth;
815
816	/*
817	 * Aggregation twiddles
818	 *
819	 * hwq_limit:	how busy to keep the hardware queue - don't schedule
820	 *		further packets to the hardware, regardless of the TID
821	 * tid_hwq_lo:	how low the per-TID hwq count has to be before the
822	 *		TID will be scheduled again
823	 * tid_hwq_hi:	how many frames to queue to the HWQ before the TID
824	 *		stops being scheduled.
825	 */
826	int			sc_hwq_limit;
827	int			sc_tid_hwq_lo;
828	int			sc_tid_hwq_hi;
829
830	/* DFS related state */
831	void			*sc_dfs;	/* Used by an optional DFS module */
832	int			sc_dodfs;	/* Whether to enable DFS rx filter bits */
833	struct task		sc_dfstask;	/* DFS processing task */
834
835	/* Spectral related state */
836	void			*sc_spectral;
837	int			sc_dospectral;
838
839	/* ALQ */
840#ifdef	ATH_DEBUG_ALQ
841	struct if_ath_alq sc_alq;
842#endif
843
844	/* TX AMPDU handling */
845	int			(*sc_addba_request)(struct ieee80211_node *,
846				    struct ieee80211_tx_ampdu *, int, int, int);
847	int			(*sc_addba_response)(struct ieee80211_node *,
848				    struct ieee80211_tx_ampdu *, int, int, int);
849	void			(*sc_addba_stop)(struct ieee80211_node *,
850				    struct ieee80211_tx_ampdu *);
851	void			(*sc_addba_response_timeout)
852				    (struct ieee80211_node *,
853				    struct ieee80211_tx_ampdu *);
854	void			(*sc_bar_response)(struct ieee80211_node *ni,
855				    struct ieee80211_tx_ampdu *tap,
856				    int status);
857};
858
859#define	ATH_LOCK_INIT(_sc) \
860	mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
861		 NULL, MTX_DEF | MTX_RECURSE)
862#define	ATH_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_mtx)
863#define	ATH_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
864#define	ATH_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
865#define	ATH_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
866#define	ATH_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_NOTOWNED)
867
868/*
869 * The TX lock is non-reentrant and serialises the TX frame send
870 * and completion operations.
871 */
872#define	ATH_TX_LOCK_INIT(_sc) do {\
873	snprintf((_sc)->sc_tx_mtx_name,				\
874	    sizeof((_sc)->sc_tx_mtx_name),				\
875	    "%s TX lock",						\
876	    device_get_nameunit((_sc)->sc_dev));			\
877	mtx_init(&(_sc)->sc_tx_mtx, (_sc)->sc_tx_mtx_name,		\
878		 NULL, MTX_DEF);					\
879	} while (0)
880#define	ATH_TX_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_tx_mtx)
881#define	ATH_TX_LOCK(_sc)		mtx_lock(&(_sc)->sc_tx_mtx)
882#define	ATH_TX_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_tx_mtx)
883#define	ATH_TX_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_tx_mtx,	\
884		MA_OWNED)
885#define	ATH_TX_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_tx_mtx,	\
886		MA_NOTOWNED)
887#define	ATH_TX_TRYLOCK(_sc)	(mtx_owned(&(_sc)->sc_tx_mtx) != 0 &&	\
888					mtx_trylock(&(_sc)->sc_tx_mtx))
889
890/*
891 * The IC TX lock is non-reentrant and serialises packet queuing from
892 * the upper layers.
893 */
894#define	ATH_TX_IC_LOCK_INIT(_sc) do {\
895	snprintf((_sc)->sc_tx_ic_mtx_name,				\
896	    sizeof((_sc)->sc_tx_ic_mtx_name),				\
897	    "%s IC TX lock",						\
898	    device_get_nameunit((_sc)->sc_dev));			\
899	mtx_init(&(_sc)->sc_tx_ic_mtx, (_sc)->sc_tx_ic_mtx_name,	\
900		 NULL, MTX_DEF);					\
901	} while (0)
902#define	ATH_TX_IC_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_tx_ic_mtx)
903#define	ATH_TX_IC_LOCK(_sc)		mtx_lock(&(_sc)->sc_tx_ic_mtx)
904#define	ATH_TX_IC_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_tx_ic_mtx)
905#define	ATH_TX_IC_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_tx_ic_mtx,	\
906		MA_OWNED)
907#define	ATH_TX_IC_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_tx_ic_mtx,	\
908		MA_NOTOWNED)
909
910/*
911 * The PCU lock is non-recursive and should be treated as a spinlock.
912 * Although currently the interrupt code is run in netisr context and
913 * doesn't require this, this may change in the future.
914 * Please keep this in mind when protecting certain code paths
915 * with the PCU lock.
916 *
917 * The PCU lock is used to serialise access to the PCU so things such
918 * as TX, RX, state change (eg channel change), channel reset and updates
919 * from interrupt context (eg kickpcu, txqactive bits) do not clash.
920 *
921 * Although the current single-thread taskqueue mechanism protects the
922 * majority of these situations by simply serialising them, there are
923 * a few others which occur at the same time. These include the TX path
924 * (which only acquires ATH_LOCK when recycling buffers to the free list),
925 * ath_set_channel, the channel scanning API and perhaps quite a bit more.
926 */
927#define	ATH_PCU_LOCK_INIT(_sc) do {\
928	snprintf((_sc)->sc_pcu_mtx_name,				\
929	    sizeof((_sc)->sc_pcu_mtx_name),				\
930	    "%s PCU lock",						\
931	    device_get_nameunit((_sc)->sc_dev));			\
932	mtx_init(&(_sc)->sc_pcu_mtx, (_sc)->sc_pcu_mtx_name,		\
933		 NULL, MTX_DEF);					\
934	} while (0)
935#define	ATH_PCU_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_pcu_mtx)
936#define	ATH_PCU_LOCK(_sc)		mtx_lock(&(_sc)->sc_pcu_mtx)
937#define	ATH_PCU_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_pcu_mtx)
938#define	ATH_PCU_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
939		MA_OWNED)
940#define	ATH_PCU_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_pcu_mtx,	\
941		MA_NOTOWNED)
942
943/*
944 * The RX lock is primarily a(nother) workaround to ensure that the
945 * RX FIFO/list isn't modified by various execution paths.
946 * Even though RX occurs in a single context (the ath taskqueue), the
947 * RX path can be executed via various reset/channel change paths.
948 */
949#define	ATH_RX_LOCK_INIT(_sc) do {\
950	snprintf((_sc)->sc_rx_mtx_name,					\
951	    sizeof((_sc)->sc_rx_mtx_name),				\
952	    "%s RX lock",						\
953	    device_get_nameunit((_sc)->sc_dev));			\
954	mtx_init(&(_sc)->sc_rx_mtx, (_sc)->sc_rx_mtx_name,		\
955		 NULL, MTX_DEF);					\
956	} while (0)
957#define	ATH_RX_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_rx_mtx)
958#define	ATH_RX_LOCK(_sc)		mtx_lock(&(_sc)->sc_rx_mtx)
959#define	ATH_RX_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_rx_mtx)
960#define	ATH_RX_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_rx_mtx,	\
961		MA_OWNED)
962#define	ATH_RX_UNLOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_rx_mtx,	\
963		MA_NOTOWNED)
964
965#define	ATH_TXQ_SETUP(sc, i)	((sc)->sc_txqsetup & (1<<i))
966
967#define	ATH_TXBUF_LOCK_INIT(_sc) do { \
968	snprintf((_sc)->sc_txname, sizeof((_sc)->sc_txname), "%s_buf", \
969		device_get_nameunit((_sc)->sc_dev)); \
970	mtx_init(&(_sc)->sc_txbuflock, (_sc)->sc_txname, NULL, MTX_DEF); \
971} while (0)
972#define	ATH_TXBUF_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txbuflock)
973#define	ATH_TXBUF_LOCK(_sc)		mtx_lock(&(_sc)->sc_txbuflock)
974#define	ATH_TXBUF_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_txbuflock)
975#define	ATH_TXBUF_LOCK_ASSERT(_sc) \
976	mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)
977#define	ATH_TXBUF_UNLOCK_ASSERT(_sc) \
978	mtx_assert(&(_sc)->sc_txbuflock, MA_NOTOWNED)
979
980#define	ATH_TXSTATUS_LOCK_INIT(_sc) do { \
981	snprintf((_sc)->sc_txcompname, sizeof((_sc)->sc_txcompname), \
982		"%s_buf", \
983		device_get_nameunit((_sc)->sc_dev)); \
984	mtx_init(&(_sc)->sc_txcomplock, (_sc)->sc_txcompname, NULL, \
985		MTX_DEF); \
986} while (0)
987#define	ATH_TXSTATUS_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txcomplock)
988#define	ATH_TXSTATUS_LOCK(_sc)		mtx_lock(&(_sc)->sc_txcomplock)
989#define	ATH_TXSTATUS_UNLOCK(_sc)	mtx_unlock(&(_sc)->sc_txcomplock)
990#define	ATH_TXSTATUS_LOCK_ASSERT(_sc) \
991	mtx_assert(&(_sc)->sc_txcomplock, MA_OWNED)
992
993int	ath_attach(u_int16_t, struct ath_softc *);
994int	ath_detach(struct ath_softc *);
995void	ath_resume(struct ath_softc *);
996void	ath_suspend(struct ath_softc *);
997void	ath_shutdown(struct ath_softc *);
998void	ath_intr(void *);
999
1000/*
1001 * HAL definitions to comply with local coding convention.
1002 */
1003#define	ath_hal_detach(_ah) \
1004	((*(_ah)->ah_detach)((_ah)))
1005#define	ath_hal_reset(_ah, _opmode, _chan, _outdoor, _pstatus) \
1006	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
1007#define	ath_hal_macversion(_ah) \
1008	(((_ah)->ah_macVersion << 4) | ((_ah)->ah_macRev))
1009#define	ath_hal_getratetable(_ah, _mode) \
1010	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
1011#define	ath_hal_getmac(_ah, _mac) \
1012	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
1013#define	ath_hal_setmac(_ah, _mac) \
1014	((*(_ah)->ah_setMacAddress)((_ah), (_mac)))
1015#define	ath_hal_getbssidmask(_ah, _mask) \
1016	((*(_ah)->ah_getBssIdMask)((_ah), (_mask)))
1017#define	ath_hal_setbssidmask(_ah, _mask) \
1018	((*(_ah)->ah_setBssIdMask)((_ah), (_mask)))
1019#define	ath_hal_intrset(_ah, _mask) \
1020	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
1021#define	ath_hal_intrget(_ah) \
1022	((*(_ah)->ah_getInterrupts)((_ah)))
1023#define	ath_hal_intrpend(_ah) \
1024	((*(_ah)->ah_isInterruptPending)((_ah)))
1025#define	ath_hal_getisr(_ah, _pmask) \
1026	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
1027#define	ath_hal_updatetxtriglevel(_ah, _inc) \
1028	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
1029#define	ath_hal_setpower(_ah, _mode) \
1030	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE))
1031#define	ath_hal_keycachesize(_ah) \
1032	((*(_ah)->ah_getKeyCacheSize)((_ah)))
1033#define	ath_hal_keyreset(_ah, _ix) \
1034	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
1035#define	ath_hal_keyset(_ah, _ix, _pk, _mac) \
1036	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), (_mac), AH_FALSE))
1037#define	ath_hal_keyisvalid(_ah, _ix) \
1038	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
1039#define	ath_hal_keysetmac(_ah, _ix, _mac) \
1040	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
1041#define	ath_hal_getrxfilter(_ah) \
1042	((*(_ah)->ah_getRxFilter)((_ah)))
1043#define	ath_hal_setrxfilter(_ah, _filter) \
1044	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
1045#define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
1046	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
1047#define	ath_hal_waitforbeacon(_ah, _bf) \
1048	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
1049#define	ath_hal_putrxbuf(_ah, _bufaddr, _rxq) \
1050	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr), (_rxq)))
1051/* NB: common across all chips */
1052#define	AR_TSF_L32	0x804c	/* MAC local clock lower 32 bits */
1053#define	ath_hal_gettsf32(_ah) \
1054	OS_REG_READ(_ah, AR_TSF_L32)
1055#define	ath_hal_gettsf64(_ah) \
1056	((*(_ah)->ah_getTsf64)((_ah)))
1057#define	ath_hal_settsf64(_ah, _val) \
1058	((*(_ah)->ah_setTsf64)((_ah), (_val)))
1059#define	ath_hal_resettsf(_ah) \
1060	((*(_ah)->ah_resetTsf)((_ah)))
1061#define	ath_hal_rxena(_ah) \
1062	((*(_ah)->ah_enableReceive)((_ah)))
1063#define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
1064	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
1065#define	ath_hal_gettxbuf(_ah, _q) \
1066	((*(_ah)->ah_getTxDP)((_ah), (_q)))
1067#define	ath_hal_numtxpending(_ah, _q) \
1068	((*(_ah)->ah_numTxPending)((_ah), (_q)))
1069#define	ath_hal_getrxbuf(_ah, _rxq) \
1070	((*(_ah)->ah_getRxDP)((_ah), (_rxq)))
1071#define	ath_hal_txstart(_ah, _q) \
1072	((*(_ah)->ah_startTxDma)((_ah), (_q)))
1073#define	ath_hal_setchannel(_ah, _chan) \
1074	((*(_ah)->ah_setChannel)((_ah), (_chan)))
1075#define	ath_hal_calibrate(_ah, _chan, _iqcal) \
1076	((*(_ah)->ah_perCalibration)((_ah), (_chan), (_iqcal)))
1077#define	ath_hal_calibrateN(_ah, _chan, _lcal, _isdone) \
1078	((*(_ah)->ah_perCalibrationN)((_ah), (_chan), 0x1, (_lcal), (_isdone)))
1079#define	ath_hal_calreset(_ah, _chan) \
1080	((*(_ah)->ah_resetCalValid)((_ah), (_chan)))
1081#define	ath_hal_setledstate(_ah, _state) \
1082	((*(_ah)->ah_setLedState)((_ah), (_state)))
1083#define	ath_hal_beaconinit(_ah, _nextb, _bperiod) \
1084	((*(_ah)->ah_beaconInit)((_ah), (_nextb), (_bperiod)))
1085#define	ath_hal_beaconreset(_ah) \
1086	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
1087#define	ath_hal_beaconsettimers(_ah, _bt) \
1088	((*(_ah)->ah_setBeaconTimers)((_ah), (_bt)))
1089#define	ath_hal_beacontimers(_ah, _bs) \
1090	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs)))
1091#define	ath_hal_getnexttbtt(_ah) \
1092	((*(_ah)->ah_getNextTBTT)((_ah)))
1093#define	ath_hal_setassocid(_ah, _bss, _associd) \
1094	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd)))
1095#define	ath_hal_phydisable(_ah) \
1096	((*(_ah)->ah_phyDisable)((_ah)))
1097#define	ath_hal_setopmode(_ah) \
1098	((*(_ah)->ah_setPCUConfig)((_ah)))
1099#define	ath_hal_stoptxdma(_ah, _qnum) \
1100	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
1101#define	ath_hal_stoppcurecv(_ah) \
1102	((*(_ah)->ah_stopPcuReceive)((_ah)))
1103#define	ath_hal_startpcurecv(_ah) \
1104	((*(_ah)->ah_startPcuReceive)((_ah)))
1105#define	ath_hal_stopdmarecv(_ah) \
1106	((*(_ah)->ah_stopDmaReceive)((_ah)))
1107#define	ath_hal_getdiagstate(_ah, _id, _indata, _insize, _outdata, _outsize) \
1108	((*(_ah)->ah_getDiagState)((_ah), (_id), \
1109		(_indata), (_insize), (_outdata), (_outsize)))
1110#define	ath_hal_getfatalstate(_ah, _outdata, _outsize) \
1111	ath_hal_getdiagstate(_ah, 29, NULL, 0, (_outdata), _outsize)
1112#define	ath_hal_setuptxqueue(_ah, _type, _irq) \
1113	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
1114#define	ath_hal_resettxqueue(_ah, _q) \
1115	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
1116#define	ath_hal_releasetxqueue(_ah, _q) \
1117	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
1118#define	ath_hal_gettxqueueprops(_ah, _q, _qi) \
1119	((*(_ah)->ah_getTxQueueProps)((_ah), (_q), (_qi)))
1120#define	ath_hal_settxqueueprops(_ah, _q, _qi) \
1121	((*(_ah)->ah_setTxQueueProps)((_ah), (_q), (_qi)))
1122/* NB: common across all chips */
1123#define	AR_Q_TXE	0x0840	/* MAC Transmit Queue enable */
1124#define	ath_hal_txqenabled(_ah, _qnum) \
1125	(OS_REG_READ(_ah, AR_Q_TXE) & (1<<(_qnum)))
1126#define	ath_hal_getrfgain(_ah) \
1127	((*(_ah)->ah_getRfGain)((_ah)))
1128#define	ath_hal_getdefantenna(_ah) \
1129	((*(_ah)->ah_getDefAntenna)((_ah)))
1130#define	ath_hal_setdefantenna(_ah, _ant) \
1131	((*(_ah)->ah_setDefAntenna)((_ah), (_ant)))
1132#define	ath_hal_rxmonitor(_ah, _arg, _chan) \
1133	((*(_ah)->ah_rxMonitor)((_ah), (_arg), (_chan)))
1134#define	ath_hal_ani_poll(_ah, _chan) \
1135	((*(_ah)->ah_aniPoll)((_ah), (_chan)))
1136#define	ath_hal_mibevent(_ah, _stats) \
1137	((*(_ah)->ah_procMibEvent)((_ah), (_stats)))
1138#define	ath_hal_setslottime(_ah, _us) \
1139	((*(_ah)->ah_setSlotTime)((_ah), (_us)))
1140#define	ath_hal_getslottime(_ah) \
1141	((*(_ah)->ah_getSlotTime)((_ah)))
1142#define	ath_hal_setacktimeout(_ah, _us) \
1143	((*(_ah)->ah_setAckTimeout)((_ah), (_us)))
1144#define	ath_hal_getacktimeout(_ah) \
1145	((*(_ah)->ah_getAckTimeout)((_ah)))
1146#define	ath_hal_setctstimeout(_ah, _us) \
1147	((*(_ah)->ah_setCTSTimeout)((_ah), (_us)))
1148#define	ath_hal_getctstimeout(_ah) \
1149	((*(_ah)->ah_getCTSTimeout)((_ah)))
1150#define	ath_hal_getcapability(_ah, _cap, _param, _result) \
1151	((*(_ah)->ah_getCapability)((_ah), (_cap), (_param), (_result)))
1152#define	ath_hal_setcapability(_ah, _cap, _param, _v, _status) \
1153	((*(_ah)->ah_setCapability)((_ah), (_cap), (_param), (_v), (_status)))
1154#define	ath_hal_ciphersupported(_ah, _cipher) \
1155	(ath_hal_getcapability(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)
1156#define	ath_hal_getregdomain(_ah, _prd) \
1157	(ath_hal_getcapability(_ah, HAL_CAP_REG_DMN, 0, (_prd)) == HAL_OK)
1158#define	ath_hal_setregdomain(_ah, _rd) \
1159	ath_hal_setcapability(_ah, HAL_CAP_REG_DMN, 0, _rd, NULL)
1160#define	ath_hal_getcountrycode(_ah, _pcc) \
1161	(*(_pcc) = (_ah)->ah_countryCode)
1162#define	ath_hal_gettkipmic(_ah) \
1163	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_MIC, 1, NULL) == HAL_OK)
1164#define	ath_hal_settkipmic(_ah, _v) \
1165	ath_hal_setcapability(_ah, HAL_CAP_TKIP_MIC, 1, _v, NULL)
1166#define	ath_hal_hastkipsplit(_ah) \
1167	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 0, NULL) == HAL_OK)
1168#define	ath_hal_gettkipsplit(_ah) \
1169	(ath_hal_getcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, NULL) == HAL_OK)
1170#define	ath_hal_settkipsplit(_ah, _v) \
1171	ath_hal_setcapability(_ah, HAL_CAP_TKIP_SPLIT, 1, _v, NULL)
1172#define	ath_hal_haswmetkipmic(_ah) \
1173	(ath_hal_getcapability(_ah, HAL_CAP_WME_TKIPMIC, 0, NULL) == HAL_OK)
1174#define	ath_hal_hwphycounters(_ah) \
1175	(ath_hal_getcapability(_ah, HAL_CAP_PHYCOUNTERS, 0, NULL) == HAL_OK)
1176#define	ath_hal_hasdiversity(_ah) \
1177	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 0, NULL) == HAL_OK)
1178#define	ath_hal_getdiversity(_ah) \
1179	(ath_hal_getcapability(_ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK)
1180#define	ath_hal_setdiversity(_ah, _v) \
1181	ath_hal_setcapability(_ah, HAL_CAP_DIVERSITY, 1, _v, NULL)
1182#define	ath_hal_getantennaswitch(_ah) \
1183	((*(_ah)->ah_getAntennaSwitch)((_ah)))
1184#define	ath_hal_setantennaswitch(_ah, _v) \
1185	((*(_ah)->ah_setAntennaSwitch)((_ah), (_v)))
1186#define	ath_hal_getdiag(_ah, _pv) \
1187	(ath_hal_getcapability(_ah, HAL_CAP_DIAG, 0, _pv) == HAL_OK)
1188#define	ath_hal_setdiag(_ah, _v) \
1189	ath_hal_setcapability(_ah, HAL_CAP_DIAG, 0, _v, NULL)
1190#define	ath_hal_getnumtxqueues(_ah, _pv) \
1191	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXQUEUES, 0, _pv) == HAL_OK)
1192#define	ath_hal_hasveol(_ah) \
1193	(ath_hal_getcapability(_ah, HAL_CAP_VEOL, 0, NULL) == HAL_OK)
1194#define	ath_hal_hastxpowlimit(_ah) \
1195	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 0, NULL) == HAL_OK)
1196#define	ath_hal_settxpowlimit(_ah, _pow) \
1197	((*(_ah)->ah_setTxPowerLimit)((_ah), (_pow)))
1198#define	ath_hal_gettxpowlimit(_ah, _ppow) \
1199	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 1, _ppow) == HAL_OK)
1200#define	ath_hal_getmaxtxpow(_ah, _ppow) \
1201	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 2, _ppow) == HAL_OK)
1202#define	ath_hal_gettpscale(_ah, _scale) \
1203	(ath_hal_getcapability(_ah, HAL_CAP_TXPOW, 3, _scale) == HAL_OK)
1204#define	ath_hal_settpscale(_ah, _v) \
1205	ath_hal_setcapability(_ah, HAL_CAP_TXPOW, 3, _v, NULL)
1206#define	ath_hal_hastpc(_ah) \
1207	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 0, NULL) == HAL_OK)
1208#define	ath_hal_gettpc(_ah) \
1209	(ath_hal_getcapability(_ah, HAL_CAP_TPC, 1, NULL) == HAL_OK)
1210#define	ath_hal_settpc(_ah, _v) \
1211	ath_hal_setcapability(_ah, HAL_CAP_TPC, 1, _v, NULL)
1212#define	ath_hal_hasbursting(_ah) \
1213	(ath_hal_getcapability(_ah, HAL_CAP_BURST, 0, NULL) == HAL_OK)
1214#define	ath_hal_setmcastkeysearch(_ah, _v) \
1215	ath_hal_setcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, _v, NULL)
1216#define	ath_hal_hasmcastkeysearch(_ah) \
1217	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 0, NULL) == HAL_OK)
1218#define	ath_hal_getmcastkeysearch(_ah) \
1219	(ath_hal_getcapability(_ah, HAL_CAP_MCAST_KEYSRCH, 1, NULL) == HAL_OK)
1220#define	ath_hal_hasfastframes(_ah) \
1221	(ath_hal_getcapability(_ah, HAL_CAP_FASTFRAME, 0, NULL) == HAL_OK)
1222#define	ath_hal_hasbssidmask(_ah) \
1223	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMASK, 0, NULL) == HAL_OK)
1224#define	ath_hal_hasbssidmatch(_ah) \
1225	(ath_hal_getcapability(_ah, HAL_CAP_BSSIDMATCH, 0, NULL) == HAL_OK)
1226#define	ath_hal_hastsfadjust(_ah) \
1227	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 0, NULL) == HAL_OK)
1228#define	ath_hal_gettsfadjust(_ah) \
1229	(ath_hal_getcapability(_ah, HAL_CAP_TSF_ADJUST, 1, NULL) == HAL_OK)
1230#define	ath_hal_settsfadjust(_ah, _onoff) \
1231	ath_hal_setcapability(_ah, HAL_CAP_TSF_ADJUST, 1, _onoff, NULL)
1232#define	ath_hal_hasrfsilent(_ah) \
1233	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 0, NULL) == HAL_OK)
1234#define	ath_hal_getrfkill(_ah) \
1235	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, NULL) == HAL_OK)
1236#define	ath_hal_setrfkill(_ah, _onoff) \
1237	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _onoff, NULL)
1238#define	ath_hal_getrfsilent(_ah, _prfsilent) \
1239	(ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 2, _prfsilent) == HAL_OK)
1240#define	ath_hal_setrfsilent(_ah, _rfsilent) \
1241	ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 2, _rfsilent, NULL)
1242#define	ath_hal_gettpack(_ah, _ptpack) \
1243	(ath_hal_getcapability(_ah, HAL_CAP_TPC_ACK, 0, _ptpack) == HAL_OK)
1244#define	ath_hal_settpack(_ah, _tpack) \
1245	ath_hal_setcapability(_ah, HAL_CAP_TPC_ACK, 0, _tpack, NULL)
1246#define	ath_hal_gettpcts(_ah, _ptpcts) \
1247	(ath_hal_getcapability(_ah, HAL_CAP_TPC_CTS, 0, _ptpcts) == HAL_OK)
1248#define	ath_hal_settpcts(_ah, _tpcts) \
1249	ath_hal_setcapability(_ah, HAL_CAP_TPC_CTS, 0, _tpcts, NULL)
1250#define	ath_hal_hasintmit(_ah) \
1251	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1252	HAL_CAP_INTMIT_PRESENT, NULL) == HAL_OK)
1253#define	ath_hal_getintmit(_ah) \
1254	(ath_hal_getcapability(_ah, HAL_CAP_INTMIT, \
1255	HAL_CAP_INTMIT_ENABLE, NULL) == HAL_OK)
1256#define	ath_hal_setintmit(_ah, _v) \
1257	ath_hal_setcapability(_ah, HAL_CAP_INTMIT, \
1258	HAL_CAP_INTMIT_ENABLE, _v, NULL)
1259
1260#define	ath_hal_hasenforcetxop(_ah) \
1261	(ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 0, NULL) == HAL_OK)
1262#define	ath_hal_getenforcetxop(_ah) \
1263	(ath_hal_getcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, NULL) == HAL_OK)
1264#define	ath_hal_setenforcetxop(_ah, _v) \
1265	ath_hal_setcapability(_ah, HAL_CAP_ENFORCE_TXOP, 1, _v, NULL)
1266
1267
1268/* EDMA definitions */
1269#define	ath_hal_hasedma(_ah) \
1270	(ath_hal_getcapability(_ah, HAL_CAP_ENHANCED_DMA_SUPPORT,	\
1271	0, NULL) == HAL_OK)
1272#define	ath_hal_getrxfifodepth(_ah, _qtype, _req) \
1273	(ath_hal_getcapability(_ah, HAL_CAP_RXFIFODEPTH, _qtype, _req)	\
1274	== HAL_OK)
1275#define	ath_hal_getntxmaps(_ah, _req) \
1276	(ath_hal_getcapability(_ah, HAL_CAP_NUM_TXMAPS, 0, _req)	\
1277	== HAL_OK)
1278#define	ath_hal_gettxdesclen(_ah, _req) \
1279	(ath_hal_getcapability(_ah, HAL_CAP_TXDESCLEN, 0, _req)		\
1280	== HAL_OK)
1281#define	ath_hal_gettxstatuslen(_ah, _req) \
1282	(ath_hal_getcapability(_ah, HAL_CAP_TXSTATUSLEN, 0, _req)	\
1283	== HAL_OK)
1284#define	ath_hal_getrxstatuslen(_ah, _req) \
1285	(ath_hal_getcapability(_ah, HAL_CAP_RXSTATUSLEN, 0, _req)	\
1286	== HAL_OK)
1287#define	ath_hal_setrxbufsize(_ah, _req) \
1288	(ath_hal_setcapability(_ah, HAL_CAP_RXBUFSIZE, 0, _req, NULL)	\
1289	== HAL_OK)
1290
1291#define	ath_hal_getchannoise(_ah, _c) \
1292	((*(_ah)->ah_getChanNoise)((_ah), (_c)))
1293
1294/* 802.11n HAL methods */
1295#define	ath_hal_getrxchainmask(_ah, _prxchainmask) \
1296	(ath_hal_getcapability(_ah, HAL_CAP_RX_CHAINMASK, 0, _prxchainmask))
1297#define	ath_hal_gettxchainmask(_ah, _ptxchainmask) \
1298	(ath_hal_getcapability(_ah, HAL_CAP_TX_CHAINMASK, 0, _ptxchainmask))
1299#define	ath_hal_setrxchainmask(_ah, _rx) \
1300	(ath_hal_setcapability(_ah, HAL_CAP_RX_CHAINMASK, 1, _rx, NULL))
1301#define	ath_hal_settxchainmask(_ah, _tx) \
1302	(ath_hal_setcapability(_ah, HAL_CAP_TX_CHAINMASK, 1, _tx, NULL))
1303#define	ath_hal_split4ktrans(_ah) \
1304	(ath_hal_getcapability(_ah, HAL_CAP_SPLIT_4KB_TRANS, \
1305	0, NULL) == HAL_OK)
1306#define	ath_hal_self_linked_final_rxdesc(_ah) \
1307	(ath_hal_getcapability(_ah, HAL_CAP_RXDESC_SELFLINK, \
1308	0, NULL) == HAL_OK)
1309#define	ath_hal_gtxto_supported(_ah) \
1310	(ath_hal_getcapability(_ah, HAL_CAP_GTXTO, 0, NULL) == HAL_OK)
1311#define	ath_hal_has_long_rxdesc_tsf(_ah) \
1312	(ath_hal_getcapability(_ah, HAL_CAP_LONG_RXDESC_TSF, \
1313	0, NULL) == HAL_OK)
1314#define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
1315	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
1316#define	ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext, _rs) \
1317	((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext), 0, (_rs)))
1318#define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
1319		_txr0, _txtr0, _keyix, _ant, _flags, \
1320		_rtsrate, _rtsdura) \
1321	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
1322		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
1323		(_flags), (_rtsrate), (_rtsdura), 0, 0, 0))
1324#define	ath_hal_setupxtxdesc(_ah, _ds, \
1325		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
1326	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), \
1327		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
1328#define	ath_hal_filltxdesc(_ah, _ds, _b, _l, _did, _qid, _first, _last, _ds0) \
1329	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_b), (_l), (_did), (_qid), \
1330		(_first), (_last), (_ds0)))
1331#define	ath_hal_txprocdesc(_ah, _ds, _ts) \
1332	((*(_ah)->ah_procTxDesc)((_ah), (_ds), (_ts)))
1333#define	ath_hal_gettxintrtxqs(_ah, _txqs) \
1334	((*(_ah)->ah_getTxIntrQueue)((_ah), (_txqs)))
1335#define ath_hal_gettxcompletionrates(_ah, _ds, _rates, _tries) \
1336	((*(_ah)->ah_getTxCompletionRates)((_ah), (_ds), (_rates), (_tries)))
1337#define ath_hal_settxdesclink(_ah, _ds, _link) \
1338	((*(_ah)->ah_setTxDescLink)((_ah), (_ds), (_link)))
1339#define ath_hal_gettxdesclink(_ah, _ds, _link) \
1340	((*(_ah)->ah_getTxDescLink)((_ah), (_ds), (_link)))
1341#define ath_hal_gettxdesclinkptr(_ah, _ds, _linkptr) \
1342	((*(_ah)->ah_getTxDescLinkPtr)((_ah), (_ds), (_linkptr)))
1343#define	ath_hal_setuptxstatusring(_ah, _tsstart, _tspstart, _size) \
1344	((*(_ah)->ah_setupTxStatusRing)((_ah), (_tsstart), (_tspstart), \
1345		(_size)))
1346#define	ath_hal_gettxrawtxdesc(_ah, _txstatus) \
1347	((*(_ah)->ah_getTxRawTxDesc)((_ah), (_txstatus)))
1348
1349#define	ath_hal_setupfirsttxdesc(_ah, _ds, _aggrlen, _flags, _txpower, \
1350		_txr0, _txtr0, _antm, _rcr, _rcd) \
1351	((*(_ah)->ah_setupFirstTxDesc)((_ah), (_ds), (_aggrlen), (_flags), \
1352	(_txpower), (_txr0), (_txtr0), (_antm), (_rcr), (_rcd)))
1353#define	ath_hal_chaintxdesc(_ah, _ds, _bl, _sl, _pktlen, _hdrlen, _type, \
1354	_keyix, _cipher, _delims, _first, _last, _lastaggr) \
1355	((*(_ah)->ah_chainTxDesc)((_ah), (_ds), (_bl), (_sl), \
1356	(_pktlen), (_hdrlen), (_type), (_keyix), (_cipher), (_delims), \
1357	(_first), (_last), (_lastaggr)))
1358#define	ath_hal_setuplasttxdesc(_ah, _ds, _ds0) \
1359	((*(_ah)->ah_setupLastTxDesc)((_ah), (_ds), (_ds0)))
1360
1361#define	ath_hal_set11nratescenario(_ah, _ds, _dur, _rt, _series, _ns, _flags) \
1362	((*(_ah)->ah_set11nRateScenario)((_ah), (_ds), (_dur), (_rt), \
1363	(_series), (_ns), (_flags)))
1364
1365#define	ath_hal_set11n_aggr_first(_ah, _ds, _len, _num) \
1366	((*(_ah)->ah_set11nAggrFirst)((_ah), (_ds), (_len), (_num)))
1367#define	ath_hal_set11n_aggr_middle(_ah, _ds, _num) \
1368	((*(_ah)->ah_set11nAggrMiddle)((_ah), (_ds), (_num)))
1369#define	ath_hal_set11n_aggr_last(_ah, _ds) \
1370	((*(_ah)->ah_set11nAggrLast)((_ah), (_ds)))
1371
1372#define	ath_hal_set11nburstduration(_ah, _ds, _dur) \
1373	((*(_ah)->ah_set11nBurstDuration)((_ah), (_ds), (_dur)))
1374#define	ath_hal_clr11n_aggr(_ah, _ds) \
1375	((*(_ah)->ah_clr11nAggr)((_ah), (_ds)))
1376#define	ath_hal_set11n_virtmorefrag(_ah, _ds, _v) \
1377	((*(_ah)->ah_set11nVirtMoreFrag)((_ah), (_ds), (_v)))
1378
1379#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
1380	((*(_ah)->ah_gpioCfgOutput)((_ah), (_gpio), (_type)))
1381#define	ath_hal_gpioset(_ah, _gpio, _b) \
1382	((*(_ah)->ah_gpioSet)((_ah), (_gpio), (_b)))
1383#define	ath_hal_gpioget(_ah, _gpio) \
1384	((*(_ah)->ah_gpioGet)((_ah), (_gpio)))
1385#define	ath_hal_gpiosetintr(_ah, _gpio, _b) \
1386	((*(_ah)->ah_gpioSetIntr)((_ah), (_gpio), (_b)))
1387
1388/*
1389 * PCIe suspend/resume/poweron/poweroff related macros
1390 */
1391#define	ath_hal_enablepcie(_ah, _restore, _poweroff) \
1392	((*(_ah)->ah_configPCIE)((_ah), (_restore), (_poweroff)))
1393#define	ath_hal_disablepcie(_ah) \
1394	((*(_ah)->ah_disablePCIE)((_ah)))
1395
1396/*
1397 * This is badly-named; you need to set the correct parameters
1398 * to begin to receive useful radar events; and even then
1399 * it doesn't "enable" DFS. See the ath_dfs/null/ module for
1400 * more information.
1401 */
1402#define	ath_hal_enabledfs(_ah, _param) \
1403	((*(_ah)->ah_enableDfs)((_ah), (_param)))
1404#define	ath_hal_getdfsthresh(_ah, _param) \
1405	((*(_ah)->ah_getDfsThresh)((_ah), (_param)))
1406#define	ath_hal_getdfsdefaultthresh(_ah, _param) \
1407	((*(_ah)->ah_getDfsDefaultThresh)((_ah), (_param)))
1408#define	ath_hal_procradarevent(_ah, _rxs, _fulltsf, _buf, _event) \
1409	((*(_ah)->ah_procRadarEvent)((_ah), (_rxs), (_fulltsf), \
1410	(_buf), (_event)))
1411#define	ath_hal_is_fast_clock_enabled(_ah) \
1412	((*(_ah)->ah_isFastClockEnabled)((_ah)))
1413#define	ath_hal_radar_wait(_ah, _chan) \
1414	((*(_ah)->ah_radarWait)((_ah), (_chan)))
1415#define	ath_hal_get_mib_cycle_counts(_ah, _sample) \
1416	((*(_ah)->ah_getMibCycleCounts)((_ah), (_sample)))
1417#define	ath_hal_get_chan_ext_busy(_ah) \
1418	((*(_ah)->ah_get11nExtBusy)((_ah)))
1419#define	ath_hal_setchainmasks(_ah, _txchainmask, _rxchainmask) \
1420	((*(_ah)->ah_setChainMasks)((_ah), (_txchainmask), (_rxchainmask)))
1421
1422#define	ath_hal_spectral_supported(_ah) \
1423	(ath_hal_getcapability(_ah, HAL_CAP_SPECTRAL_SCAN, 0, NULL) == HAL_OK)
1424#define	ath_hal_spectral_get_config(_ah, _p) \
1425	((*(_ah)->ah_spectralGetConfig)((_ah), (_p)))
1426#define	ath_hal_spectral_configure(_ah, _p) \
1427	((*(_ah)->ah_spectralConfigure)((_ah), (_p)))
1428#define	ath_hal_spectral_start(_ah) \
1429	((*(_ah)->ah_spectralStart)((_ah)))
1430#define	ath_hal_spectral_stop(_ah) \
1431	((*(_ah)->ah_spectralStop)((_ah)))
1432
1433#endif /* _DEV_ATH_ATHVAR_H */
1434