xref: /freebsd/sys/dev/ath/if_athvar.h (revision e0c27215058b5786c78fcfb3963eebe61a989511)
1 /*-
2  * Copyright (c) 2002, 2003 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  * 3. Neither the names of the above-listed copyright holders nor the names
16  *    of any contributors may be used to endorse or promote products derived
17  *    from this software without specific prior written permission.
18  *
19  * Alternatively, this software may be distributed under the terms of the
20  * GNU General Public License ("GPL") version 2 as published by the Free
21  * Software Foundation.
22  *
23  * NO WARRANTY
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
27  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
28  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
29  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
32  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
34  * THE POSSIBILITY OF SUCH DAMAGES.
35  *
36  * $FreeBSD$
37  */
38 
39 /*
40  * Defintions for the Atheros Wireless LAN controller driver.
41  */
42 #ifndef _DEV_ATH_ATHVAR_H
43 #define _DEV_ATH_ATHVAR_H
44 
45 #include <sys/taskqueue.h>
46 
47 #include <contrib/dev/ath/ah.h>
48 #include <dev/ath/if_athioctl.h>
49 
50 #define	ATH_TIMEOUT		1000
51 
52 #define	ATH_RXBUF	40		/* number of RX buffers */
53 #define	ATH_TXBUF	60		/* number of TX buffers */
54 #define	ATH_TXDESC	8		/* number of descriptors per buffer */
55 
56 /* driver-specific node */
57 struct ath_node {
58 	struct ieee80211_node st_node;	/* base class */
59 	u_int		an_tx_ok;	/* tx ok pkt */
60 	u_int		an_tx_err;	/* tx !ok pkt */
61 	u_int		an_tx_retr;	/* tx retry count */
62 	int		an_tx_upper;	/* tx upper rate req cnt */
63 	u_int		an_tx_antenna;	/* antenna for last good frame */
64 };
65 
66 struct ath_buf {
67 	TAILQ_ENTRY(ath_buf)	bf_list;
68 	int			bf_nseg;
69 	bus_dmamap_t		bf_dmamap;	/* DMA map of the buffer */
70 	struct ath_desc		*bf_desc;	/* virtual addr of desc */
71 	bus_addr_t		bf_daddr;	/* physical addr of desc */
72 	struct mbuf		*bf_m;		/* mbuf for buf */
73 	struct ieee80211_node	*bf_node;	/* pointer to the node */
74 	bus_size_t		bf_mapsize;
75 #define	ATH_MAX_SCATTER		64
76 	bus_dma_segment_t	bf_segs[ATH_MAX_SCATTER];
77 };
78 
79 struct ath_softc {
80 	struct ieee80211com	sc_ic;		/* IEEE 802.11 common */
81 	int			(*sc_newstate)(struct ieee80211com *,
82 					enum ieee80211_state, int);
83 	device_t		sc_dev;
84 	bus_space_tag_t		sc_st;		/* bus space tag */
85 	bus_space_handle_t	sc_sh;		/* bus space handle */
86 	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
87 	struct mtx		sc_mtx;		/* master lock (recursive) */
88 	struct ath_hal		*sc_ah;		/* Atheros HAL */
89 	unsigned int		sc_invalid  : 1,/* disable hardware accesses */
90 				sc_have11g  : 1,/* have 11g support */
91 				sc_doani    : 1,/* dynamic noise immunity */
92 				sc_probing  : 1;/* probing AP on beacon miss */
93 						/* rate tables */
94 	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
95 	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
96 	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
97 	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
98 	HAL_INT			sc_imask;	/* interrupt mask copy */
99 
100 	struct ath_desc		*sc_desc;	/* TX/RX descriptors */
101 	bus_dma_segment_t	sc_dseg;
102 	bus_dmamap_t		sc_ddmamap;	/* DMA map for descriptors */
103 	bus_addr_t		sc_desc_paddr;	/* physical addr of sc_desc */
104 	bus_addr_t		sc_desc_len;	/* size of sc_desc */
105 
106 	struct task		sc_fataltask;	/* fatal int processing */
107 	struct task		sc_rxorntask;	/* rxorn int processing */
108 
109 	TAILQ_HEAD(, ath_buf)	sc_rxbuf;	/* receive buffer */
110 	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
111 	struct task		sc_rxtask;	/* rx int processing */
112 
113 	u_int			sc_txhalq;	/* HAL q for outgoing frames */
114 	u_int32_t		*sc_txlink;	/* link ptr in last TX desc */
115 	int			sc_tx_timer;	/* transmit timeout */
116 	TAILQ_HEAD(, ath_buf)	sc_txbuf;	/* transmit buffer */
117 	struct mtx		sc_txbuflock;	/* txbuf lock */
118 	TAILQ_HEAD(, ath_buf)	sc_txq;		/* transmitting queue */
119 	struct mtx		sc_txqlock;	/* lock on txq and txlink */
120 	struct task		sc_txtask;	/* tx int processing */
121 
122 	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
123 	struct ath_buf		*sc_bcbuf;	/* beacon buffer */
124 	struct ath_buf		*sc_bufptr;	/* allocated buffer ptr */
125 	struct task		sc_swbatask;	/* swba int processing */
126 	struct task		sc_bmisstask;	/* bmiss int processing */
127 
128 	struct callout		sc_cal_ch;	/* callout handle for cals */
129 	struct callout		sc_scan_ch;	/* callout handle for scan */
130 	struct ath_stats	sc_stats;	/* interface statistics */
131 };
132 
133 int	ath_attach(u_int16_t, struct ath_softc *);
134 int	ath_detach(struct ath_softc *);
135 void	ath_resume(struct ath_softc *);
136 void	ath_suspend(struct ath_softc *);
137 void	ath_shutdown(struct ath_softc *);
138 void	ath_intr(void *);
139 
140 /*
141  * HAL definitions to comply with local coding convention.
142  */
143 #define	ath_hal_reset(_ah, _opmode, _chan, _outdoor, _pstatus) \
144 	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
145 #define	ath_hal_getratetable(_ah, _mode) \
146 	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
147 #define	ath_hal_getregdomain(_ah) \
148 	((*(_ah)->ah_getRegDomain)((_ah)))
149 #define	ath_hal_getcountrycode(_ah)	(_ah)->ah_countryCode
150 #define	ath_hal_getmac(_ah, _mac) \
151 	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
152 #define	ath_hal_detach(_ah) \
153 	((*(_ah)->ah_detach)((_ah)))
154 #define	ath_hal_intrset(_ah, _mask) \
155 	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
156 #define	ath_hal_intrget(_ah) \
157 	((*(_ah)->ah_getInterrupts)((_ah)))
158 #define	ath_hal_intrpend(_ah) \
159 	((*(_ah)->ah_isInterruptPending)((_ah)))
160 #define	ath_hal_getisr(_ah, _pmask) \
161 	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
162 #define	ath_hal_updatetxtriglevel(_ah, _inc) \
163 	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
164 #define	ath_hal_setpower(_ah, _mode, _sleepduration) \
165 	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE, (_sleepduration)))
166 #define	ath_hal_keyreset(_ah, _ix) \
167 	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
168 #define	ath_hal_keyset(_ah, _ix, _pk) \
169 	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), NULL, AH_FALSE))
170 #define	ath_hal_keyisvalid(_ah, _ix) \
171 	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
172 #define	ath_hal_keysetmac(_ah, _ix, _mac) \
173 	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
174 #define	ath_hal_getrxfilter(_ah) \
175 	((*(_ah)->ah_getRxFilter)((_ah)))
176 #define	ath_hal_setrxfilter(_ah, _filter) \
177 	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
178 #define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
179 	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
180 #define	ath_hal_waitforbeacon(_ah, _bf) \
181 	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
182 #define	ath_hal_putrxbuf(_ah, _bufaddr) \
183 	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr)))
184 #define	ath_hal_gettsf32(_ah) \
185 	((*(_ah)->ah_getTsf32)((_ah)))
186 #define	ath_hal_gettsf64(_ah) \
187 	((*(_ah)->ah_getTsf64)((_ah)))
188 #define	ath_hal_resettsf(_ah) \
189 	((*(_ah)->ah_resetTsf)((_ah)))
190 #define	ath_hal_rxena(_ah) \
191 	((*(_ah)->ah_enableReceive)((_ah)))
192 #define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
193 	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
194 #define	ath_hal_gettxbuf(_ah, _q) \
195 	((*(_ah)->ah_getTxDP)((_ah), (_q)))
196 #define	ath_hal_getrxbuf(_ah) \
197 	((*(_ah)->ah_getRxDP)((_ah)))
198 #define	ath_hal_txstart(_ah, _q) \
199 	((*(_ah)->ah_startTxDma)((_ah), (_q)))
200 #define	ath_hal_setchannel(_ah, _chan) \
201 	((*(_ah)->ah_setChannel)((_ah), (_chan)))
202 #define	ath_hal_calibrate(_ah, _chan) \
203 	((*(_ah)->ah_perCalibration)((_ah), (_chan)))
204 #define	ath_hal_setledstate(_ah, _state) \
205 	((*(_ah)->ah_setLedState)((_ah), (_state)))
206 #define	ath_hal_beaconinit(_ah, _opmode, _nextb, _bperiod) \
207 	((*(_ah)->ah_beaconInit)((_ah), (_opmode), (_nextb), (_bperiod)))
208 #define	ath_hal_beaconreset(_ah) \
209 	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
210 #define	ath_hal_beacontimers(_ah, _bs, _tsf, _dc, _cc) \
211 	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs), (_tsf), \
212 		(_dc), (_cc)))
213 #define	ath_hal_setassocid(_ah, _bss, _associd) \
214 	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd), 0))
215 #define	ath_hal_setopmode(_ah, _opmode) \
216 	((*(_ah)->ah_setPCUConfig)((_ah), (_opmode)))
217 #define	ath_hal_stoptxdma(_ah, _qnum) \
218 	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
219 #define	ath_hal_stoppcurecv(_ah) \
220 	((*(_ah)->ah_stopPcuReceive)((_ah)))
221 #define	ath_hal_startpcurecv(_ah) \
222 	((*(_ah)->ah_startPcuReceive)((_ah)))
223 #define	ath_hal_stopdmarecv(_ah) \
224 	((*(_ah)->ah_stopDmaReceive)((_ah)))
225 #define	ath_hal_dumpstate(_ah) \
226 	((*(_ah)->ah_dumpState)((_ah)))
227 #define	ath_hal_dumpeeprom(_ah) \
228 	((*(_ah)->ah_dumpEeprom)((_ah)))
229 #define	ath_hal_dumprfgain(_ah) \
230 	((*(_ah)->ah_dumpRfGain)((_ah)))
231 #define	ath_hal_dumpani(_ah) \
232 	((*(_ah)->ah_dumpAni)((_ah)))
233 #define	ath_hal_setuptxqueue(_ah, _type, _irq) \
234 	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
235 #define	ath_hal_resettxqueue(_ah, _q) \
236 	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
237 #define	ath_hal_releasetxqueue(_ah, _q) \
238 	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
239 #define	ath_hal_hasveol(_ah) \
240 	((*(_ah)->ah_hasVEOL)((_ah)))
241 #define	ath_hal_getrfgain(_ah) \
242 	((*(_ah)->ah_getRfGain)((_ah)))
243 #define	ath_hal_rxmonitor(_ah) \
244 	((*(_ah)->ah_rxMonitor)((_ah)))
245 
246 #define	ath_hal_setupbeacondesc(_ah, _ds, _opmode, _flen, _hlen, \
247 		_rate, _antmode) \
248 	((*(_ah)->ah_setupBeaconDesc)((_ah), (_ds), (_opmode), \
249 		(_flen), (_hlen), (_rate), (_antmode)))
250 #define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
251 	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
252 #define	ath_hal_rxprocdesc(_ah, _ds) \
253 	((*(_ah)->ah_procRxDesc)((_ah), (_ds)))
254 #define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
255 		_txr0, _txtr0, _keyix, _ant, _flags, \
256 		_rtsrate, _rtsdura) \
257 	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
258 		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
259 		(_flags), (_rtsrate), (_rtsdura)))
260 #define	ath_hal_setupxtxdesc(_ah, _ds, _short, \
261 		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
262 	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), (_short), \
263 		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
264 #define	ath_hal_filltxdesc(_ah, _ds, _l, _first, _last) \
265 	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_l), (_first), (_last)))
266 #define	ath_hal_txprocdesc(_ah, _ds) \
267 	((*(_ah)->ah_procTxDesc)((_ah), (_ds)))
268 
269 #endif /* _DEV_ATH_ATHVAR_H */
270