summaryrefslogtreecommitdiffstats
path: root/sys/dev/ath/if_athvar.h
blob: 0d3598981881ef7db202f4b70ba08e87a1aad874 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
/*-
 * Copyright (c) 2002-2004 Sam Leffler, Errno Consulting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
 *    redistribution must be conditioned upon including a substantially
 *    similar Disclaimer requirement for further binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGES.
 *
 * $FreeBSD$
 */

/*
 * Defintions for the Atheros Wireless LAN controller driver.
 */
#ifndef _DEV_ATH_ATHVAR_H
#define _DEV_ATH_ATHVAR_H

#include <sys/taskqueue.h>

#include <contrib/dev/ath/ah.h>
#include <net80211/ieee80211_radiotap.h>
#include <dev/ath/if_athioctl.h>

#define	ATH_TIMEOUT		1000

#define	ATH_RXBUF	40		/* number of RX buffers */
#define	ATH_TXBUF	60		/* number of TX buffers */
#define	ATH_TXDESC	8		/* number of descriptors per buffer */

struct ath_recv_hist {
	int		arh_ticks;	/* sample time by system clock */
	u_int8_t	arh_rssi;	/* rssi */
	u_int8_t	arh_antenna;	/* antenna */
};
#define	ATH_RHIST_SIZE		16	/* number of samples */
#define	ATH_RHIST_NOTIME	(~0)

/* driver-specific node */
struct ath_node {
	struct ieee80211_node an_node;	/* base class */
	u_int		an_tx_ok;	/* tx ok pkt */
	u_int		an_tx_err;	/* tx !ok pkt */
	u_int		an_tx_retr;	/* tx retry count */
	int		an_tx_upper;	/* tx upper rate req cnt */
	u_int		an_tx_antenna;	/* antenna for last good frame */
	u_int		an_rx_antenna;	/* antenna for last rcvd frame */
	struct ath_recv_hist an_rx_hist[ATH_RHIST_SIZE];
	u_int		an_rx_hist_next;/* index of next ``free entry'' */
};
#define	ATH_NODE(_n)	((struct ath_node *)(_n))

struct ath_buf {
	TAILQ_ENTRY(ath_buf)	bf_list;
	int			bf_nseg;
	bus_dmamap_t		bf_dmamap;	/* DMA map of the buffer */
	struct ath_desc		*bf_desc;	/* virtual addr of desc */
	bus_addr_t		bf_daddr;	/* physical addr of desc */
	struct mbuf		*bf_m;		/* mbuf for buf */
	struct ieee80211_node	*bf_node;	/* pointer to the node */
	bus_size_t		bf_mapsize;
#define	ATH_MAX_SCATTER		64
	bus_dma_segment_t	bf_segs[ATH_MAX_SCATTER];
};

struct ath_softc {
	struct ieee80211com	sc_ic;		/* IEEE 802.11 common */
	int			(*sc_newstate)(struct ieee80211com *,
					enum ieee80211_state, int);
	void 			(*sc_node_free)(struct ieee80211com *,
					struct ieee80211_node *);
	void			(*sc_node_copy)(struct ieee80211com *,
					struct ieee80211_node *,
					const struct ieee80211_node *);
	device_t		sc_dev;
	bus_space_tag_t		sc_st;		/* bus space tag */
	bus_space_handle_t	sc_sh;		/* bus space handle */
	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
	struct mtx		sc_mtx;		/* master lock (recursive) */
	struct ath_hal		*sc_ah;		/* Atheros HAL */
	unsigned int		sc_invalid  : 1,/* disable hardware accesses */
				sc_doani    : 1,/* dynamic noise immunity */
				sc_probing  : 1;/* probing AP on beacon miss */
						/* rate tables */
	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
	u_int8_t		sc_hwmap[32];	/* h/w rate ix to IEEE table */
	HAL_INT			sc_imask;	/* interrupt mask copy */

	struct bpf_if		*sc_drvbpf;
	union {
		struct ath_tx_radiotap_header th;
		u_int8_t	pad[64];
	} u_tx_rt;
	int			sc_tx_th_len;
	union {
		struct ath_rx_radiotap_header th;
		u_int8_t	pad[64];
	} u_rx_rt;
	int			sc_rx_th_len;

	struct ath_desc		*sc_desc;	/* TX/RX descriptors */
	bus_dma_segment_t	sc_dseg;
	bus_dmamap_t		sc_ddmamap;	/* DMA map for descriptors */
	bus_addr_t		sc_desc_paddr;	/* physical addr of sc_desc */
	bus_addr_t		sc_desc_len;	/* size of sc_desc */

	struct task		sc_fataltask;	/* fatal int processing */
	struct task		sc_rxorntask;	/* rxorn int processing */

	TAILQ_HEAD(, ath_buf)	sc_rxbuf;	/* receive buffer */
	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
	struct task		sc_rxtask;	/* rx int processing */

	u_int			sc_txhalq;	/* HAL q for outgoing frames */
	u_int32_t		*sc_txlink;	/* link ptr in last TX desc */
	int			sc_tx_timer;	/* transmit timeout */
	TAILQ_HEAD(, ath_buf)	sc_txbuf;	/* transmit buffer */
	struct mtx		sc_txbuflock;	/* txbuf lock */
	TAILQ_HEAD(, ath_buf)	sc_txq;		/* transmitting queue */
	struct mtx		sc_txqlock;	/* lock on txq and txlink */
	struct task		sc_txtask;	/* tx int processing */

	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
	struct ath_buf		*sc_bcbuf;	/* beacon buffer */
	struct ath_buf		*sc_bufptr;	/* allocated buffer ptr */
	struct task		sc_bmisstask;	/* bmiss int processing */

	struct callout		sc_cal_ch;	/* callout handle for cals */
	struct callout		sc_scan_ch;	/* callout handle for scan */
	struct ath_stats	sc_stats;	/* interface statistics */
};
#define	sc_tx_th		u_tx_rt.th
#define	sc_rx_th		u_rx_rt.th

#define	ATH_LOCK_INIT(_sc) \
	mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
		 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE)
#define	ATH_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_mtx)
#define	ATH_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
#define	ATH_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
#define	ATH_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_OWNED)

#define	ATH_TXBUF_LOCK_INIT(_sc) \
	mtx_init(&(_sc)->sc_txbuflock, \
		device_get_nameunit((_sc)->sc_dev), "xmit buf q", MTX_DEF)
#define	ATH_TXBUF_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txbuflock)
#define	ATH_TXBUF_LOCK(_sc)		mtx_lock(&(_sc)->sc_txbuflock)
#define	ATH_TXBUF_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_txbuflock)
#define	ATH_TXBUF_LOCK_ASSERT(_sc) \
	mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)

#define	ATH_TXQ_LOCK_INIT(_sc) \
	mtx_init(&(_sc)->sc_txqlock, \
		device_get_nameunit((_sc)->sc_dev), "xmit q", MTX_DEF)
#define	ATH_TXQ_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->sc_txqlock)
#define	ATH_TXQ_LOCK(_sc)		mtx_lock(&(_sc)->sc_txqlock)
#define	ATH_TXQ_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_txqlock)
#define	ATH_TXQ_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_txqlock, MA_OWNED)

int	ath_attach(u_int16_t, struct ath_softc *);
int	ath_detach(struct ath_softc *);
void	ath_resume(struct ath_softc *);
void	ath_suspend(struct ath_softc *);
void	ath_shutdown(struct ath_softc *);
void	ath_intr(void *);

/*
 * HAL definitions to comply with local coding convention.
 */
#define	ath_hal_reset(_ah, _opmode, _chan, _outdoor, _pstatus) \
	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
#define	ath_hal_getratetable(_ah, _mode) \
	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
#define	ath_hal_getregdomain(_ah) \
	((*(_ah)->ah_getRegDomain)((_ah)))
#define	ath_hal_getcountrycode(_ah)	(_ah)->ah_countryCode
#define	ath_hal_getmac(_ah, _mac) \
	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
#define	ath_hal_detach(_ah) \
	((*(_ah)->ah_detach)((_ah)))
#define	ath_hal_intrset(_ah, _mask) \
	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
#define	ath_hal_intrget(_ah) \
	((*(_ah)->ah_getInterrupts)((_ah)))
#define	ath_hal_intrpend(_ah) \
	((*(_ah)->ah_isInterruptPending)((_ah)))
#define	ath_hal_getisr(_ah, _pmask) \
	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
#define	ath_hal_updatetxtriglevel(_ah, _inc) \
	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
#define	ath_hal_setpower(_ah, _mode, _sleepduration) \
	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE, (_sleepduration)))
#define	ath_hal_keyreset(_ah, _ix) \
	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
#define	ath_hal_keyset(_ah, _ix, _pk) \
	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), NULL, AH_FALSE))
#define	ath_hal_keyisvalid(_ah, _ix) \
	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
#define	ath_hal_keysetmac(_ah, _ix, _mac) \
	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
#define	ath_hal_getrxfilter(_ah) \
	((*(_ah)->ah_getRxFilter)((_ah)))
#define	ath_hal_setrxfilter(_ah, _filter) \
	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
#define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
#define	ath_hal_waitforbeacon(_ah, _bf) \
	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
#define	ath_hal_putrxbuf(_ah, _bufaddr) \
	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr)))
#define	ath_hal_gettsf32(_ah) \
	((*(_ah)->ah_getTsf32)((_ah)))
#define	ath_hal_gettsf64(_ah) \
	((*(_ah)->ah_getTsf64)((_ah)))
#define	ath_hal_resettsf(_ah) \
	((*(_ah)->ah_resetTsf)((_ah)))
#define	ath_hal_rxena(_ah) \
	((*(_ah)->ah_enableReceive)((_ah)))
#define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
#define	ath_hal_gettxbuf(_ah, _q) \
	((*(_ah)->ah_getTxDP)((_ah), (_q)))
#define	ath_hal_getrxbuf(_ah) \
	((*(_ah)->ah_getRxDP)((_ah)))
#define	ath_hal_txstart(_ah, _q) \
	((*(_ah)->ah_startTxDma)((_ah), (_q)))
#define	ath_hal_setchannel(_ah, _chan) \
	((*(_ah)->ah_setChannel)((_ah), (_chan)))
#define	ath_hal_calibrate(_ah, _chan) \
	((*(_ah)->ah_perCalibration)((_ah), (_chan)))
#define	ath_hal_setledstate(_ah, _state) \
	((*(_ah)->ah_setLedState)((_ah), (_state)))
#define	ath_hal_beaconinit(_ah, _opmode, _nextb, _bperiod) \
	((*(_ah)->ah_beaconInit)((_ah), (_opmode), (_nextb), (_bperiod)))
#define	ath_hal_beaconreset(_ah) \
	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
#define	ath_hal_beacontimers(_ah, _bs, _tsf, _dc, _cc) \
	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs), (_tsf), \
		(_dc), (_cc)))
#define	ath_hal_setassocid(_ah, _bss, _associd) \
	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd), 0))
#define	ath_hal_setopmode(_ah, _opmode) \
	((*(_ah)->ah_setPCUConfig)((_ah), (_opmode)))
#define	ath_hal_stoptxdma(_ah, _qnum) \
	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
#define	ath_hal_stoppcurecv(_ah) \
	((*(_ah)->ah_stopPcuReceive)((_ah)))
#define	ath_hal_startpcurecv(_ah) \
	((*(_ah)->ah_startPcuReceive)((_ah)))
#define	ath_hal_stopdmarecv(_ah) \
	((*(_ah)->ah_stopDmaReceive)((_ah)))
#define	ath_hal_dumpstate(_ah) \
	((*(_ah)->ah_dumpState)((_ah)))
#define	ath_hal_getdiagstate(_ah, _id, _data, _size) \
	((*(_ah)->ah_getDiagState)((_ah), (_id), (_data), (_size)))
#define	ath_hal_setuptxqueue(_ah, _type, _irq) \
	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
#define	ath_hal_resettxqueue(_ah, _q) \
	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
#define	ath_hal_releasetxqueue(_ah, _q) \
	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
#define	ath_hal_hasveol(_ah) \
	((*(_ah)->ah_hasVEOL)((_ah)))
#define	ath_hal_getrfgain(_ah) \
	((*(_ah)->ah_getRfGain)((_ah)))
#define	ath_hal_rxmonitor(_ah) \
	((*(_ah)->ah_rxMonitor)((_ah)))

#define	ath_hal_setupbeacondesc(_ah, _ds, _opmode, _flen, _hlen, \
		_rate, _antmode) \
	((*(_ah)->ah_setupBeaconDesc)((_ah), (_ds), (_opmode), \
		(_flen), (_hlen), (_rate), (_antmode)))
#define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
#define	ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext) \
	((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext)))
#define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
		_txr0, _txtr0, _keyix, _ant, _flags, \
		_rtsrate, _rtsdura) \
	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
		(_flags), (_rtsrate), (_rtsdura)))
#define	ath_hal_setupxtxdesc(_ah, _ds, _short, \
		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), (_short), \
		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
#define	ath_hal_filltxdesc(_ah, _ds, _l, _first, _last) \
	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_l), (_first), (_last)))
#define	ath_hal_txprocdesc(_ah, _ds) \
	((*(_ah)->ah_procTxDesc)((_ah), (_ds)))

#endif /* _DEV_ATH_ATHVAR_H */
OpenPOWER on IntegriCloud