xref: /freebsd/sys/dev/ath/if_athvar.h (revision dce6e6518b85561495cff38a3074a69d29d58a55)
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 	device_t		sc_dev;
82 	bus_space_tag_t		sc_st;		/* bus space tag */
83 	bus_space_handle_t	sc_sh;		/* bus space handle */
84 	bus_dma_tag_t		sc_dmat;	/* bus DMA tag */
85 	struct mtx		sc_mtx;		/* master lock (recursive) */
86 	struct ath_hal		*sc_ah;		/* Atheros HAL */
87 	unsigned int		sc_invalid  : 1,/* disable hardware accesses */
88 				sc_have11g  : 1,/* have 11g support */
89 				sc_doani    : 1,/* dynamic noise immunity */
90 				sc_probing  : 1;/* probing AP on beacon miss */
91 						/* rate tables */
92 	const HAL_RATE_TABLE	*sc_rates[IEEE80211_MODE_MAX];
93 	const HAL_RATE_TABLE	*sc_currates;	/* current rate table */
94 	enum ieee80211_phymode	sc_curmode;	/* current phy mode */
95 	u_int8_t		sc_rixmap[256];	/* IEEE to h/w rate table ix */
96 	HAL_INT			sc_imask;	/* interrupt mask copy */
97 
98 	struct ath_desc		*sc_desc;	/* TX/RX descriptors */
99 	bus_dma_segment_t	sc_dseg;
100 	bus_dmamap_t		sc_ddmamap;	/* DMA map for descriptors */
101 	bus_addr_t		sc_desc_paddr;	/* physical addr of sc_desc */
102 	bus_addr_t		sc_desc_len;	/* size of sc_desc */
103 
104 	struct task		sc_fataltask;	/* fatal int processing */
105 	struct task		sc_rxorntask;	/* rxorn int processing */
106 
107 	TAILQ_HEAD(, ath_buf)	sc_rxbuf;	/* receive buffer */
108 	u_int32_t		*sc_rxlink;	/* link ptr in last RX desc */
109 	struct task		sc_rxtask;	/* rx int processing */
110 
111 	u_int			sc_txhalq;	/* HAL q for outgoing frames */
112 	u_int32_t		*sc_txlink;	/* link ptr in last TX desc */
113 	int			sc_tx_timer;	/* transmit timeout */
114 	TAILQ_HEAD(, ath_buf)	sc_txbuf;	/* transmit buffer */
115 	struct mtx		sc_txbuflock;	/* txbuf lock */
116 	TAILQ_HEAD(, ath_buf)	sc_txq;		/* transmitting queue */
117 	struct mtx		sc_txqlock;	/* lock on txq and txlink */
118 	struct task		sc_txtask;	/* tx int processing */
119 
120 	u_int			sc_bhalq;	/* HAL q for outgoing beacons */
121 	struct ath_buf		*sc_bcbuf;	/* beacon buffer */
122 	struct ath_buf		*sc_bufptr;	/* allocated buffer ptr */
123 	struct task		sc_swbatask;	/* swba int processing */
124 	struct task		sc_bmisstask;	/* bmiss int processing */
125 
126 	struct callout		sc_cal_ch;	/* callout handle for cals */
127 	struct callout		sc_scan_ch;	/* callout handle for scan */
128 	struct ath_stats	sc_stats;	/* interface statistics */
129 };
130 
131 int	ath_attach(u_int16_t, struct ath_softc *);
132 int	ath_detach(struct ath_softc *);
133 void	ath_resume(struct ath_softc *);
134 void	ath_suspend(struct ath_softc *);
135 void	ath_shutdown(struct ath_softc *);
136 void	ath_intr(void *);
137 
138 /*
139  * HAL definitions to comply with local coding convention.
140  */
141 #define	ath_hal_reset(_ah, _opmode, _chan, _outdoor, _pstatus) \
142 	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
143 #define	ath_hal_getratetable(_ah, _mode) \
144 	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
145 #define	ath_hal_getmac(_ah, _mac) \
146 	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
147 #define	ath_hal_detach(_ah) \
148 	((*(_ah)->ah_detach)((_ah)))
149 #define	ath_hal_intrset(_ah, _mask) \
150 	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
151 #define	ath_hal_intrget(_ah) \
152 	((*(_ah)->ah_getInterrupts)((_ah)))
153 #define	ath_hal_intrpend(_ah) \
154 	((*(_ah)->ah_isInterruptPending)((_ah)))
155 #define	ath_hal_getisr(_ah, _pmask) \
156 	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
157 #define	ath_hal_updatetxtriglevel(_ah, _inc) \
158 	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
159 #define	ath_hal_setpower(_ah, _mode, _sleepduration) \
160 	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE, (_sleepduration)))
161 #define	ath_hal_keyreset(_ah, _ix) \
162 	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
163 #define	ath_hal_keyset(_ah, _ix, _pk) \
164 	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), NULL, AH_FALSE))
165 #define	ath_hal_keyisvalid(_ah, _ix) \
166 	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
167 #define	ath_hal_keysetmac(_ah, _ix, _mac) \
168 	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
169 #define	ath_hal_getrxfilter(_ah) \
170 	((*(_ah)->ah_getRxFilter)((_ah)))
171 #define	ath_hal_setrxfilter(_ah, _filter) \
172 	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
173 #define	ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
174 	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
175 #define	ath_hal_waitforbeacon(_ah, _bf) \
176 	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
177 #define	ath_hal_putrxbuf(_ah, _bufaddr) \
178 	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr)))
179 #define	ath_hal_gettsf32(_ah) \
180 	((*(_ah)->ah_getTsf32)((_ah)))
181 #define	ath_hal_gettsf64(_ah) \
182 	((*(_ah)->ah_getTsf64)((_ah)))
183 #define	ath_hal_resettsf(_ah) \
184 	((*(_ah)->ah_resetTsf)((_ah)))
185 #define	ath_hal_rxena(_ah) \
186 	((*(_ah)->ah_enableReceive)((_ah)))
187 #define	ath_hal_puttxbuf(_ah, _q, _bufaddr) \
188 	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
189 #define	ath_hal_gettxbuf(_ah, _q) \
190 	((*(_ah)->ah_getTxDP)((_ah), (_q)))
191 #define	ath_hal_getrxbuf(_ah) \
192 	((*(_ah)->ah_getRxDP)((_ah)))
193 #define	ath_hal_txstart(_ah, _q) \
194 	((*(_ah)->ah_startTxDma)((_ah), (_q)))
195 #define	ath_hal_setchannel(_ah, _chan) \
196 	((*(_ah)->ah_setChannel)((_ah), (_chan)))
197 #define	ath_hal_calibrate(_ah, _chan) \
198 	((*(_ah)->ah_perCalibration)((_ah), (_chan)))
199 #define	ath_hal_setledstate(_ah, _state) \
200 	((*(_ah)->ah_setLedState)((_ah), (_state)))
201 #define	ath_hal_beaconinit(_ah, _opmode, _nextb, _bperiod) \
202 	((*(_ah)->ah_beaconInit)((_ah), (_opmode), (_nextb), (_bperiod)))
203 #define	ath_hal_beaconreset(_ah) \
204 	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
205 #define	ath_hal_beacontimers(_ah, _bs, _tsf, _dc, _cc) \
206 	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs), (_tsf), \
207 		(_dc), (_cc)))
208 #define	ath_hal_setassocid(_ah, _bss, _associd) \
209 	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd), 0))
210 #define	ath_hal_setopmode(_ah, _opmode) \
211 	((*(_ah)->ah_setPCUConfig)((_ah), (_opmode)))
212 #define	ath_hal_stoptxdma(_ah, _qnum) \
213 	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
214 #define	ath_hal_stoppcurecv(_ah) \
215 	((*(_ah)->ah_stopPcuReceive)((_ah)))
216 #define	ath_hal_startpcurecv(_ah) \
217 	((*(_ah)->ah_startPcuReceive)((_ah)))
218 #define	ath_hal_stopdmarecv(_ah) \
219 	((*(_ah)->ah_stopDmaReceive)((_ah)))
220 #define	ath_hal_dumpstate(_ah) \
221 	((*(_ah)->ah_dumpState)((_ah)))
222 #define	ath_hal_dumpeeprom(_ah) \
223 	((*(_ah)->ah_dumpEeprom)((_ah)))
224 #define	ath_hal_dumprfgain(_ah) \
225 	((*(_ah)->ah_dumpRfGain)((_ah)))
226 #define	ath_hal_dumpani(_ah) \
227 	((*(_ah)->ah_dumpAni)((_ah)))
228 #define	ath_hal_setuptxqueue(_ah, _type, _irq) \
229 	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
230 #define	ath_hal_resettxqueue(_ah, _q) \
231 	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
232 #define	ath_hal_releasetxqueue(_ah, _q) \
233 	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
234 #define	ath_hal_hasveol(_ah) \
235 	((*(_ah)->ah_hasVEOL)((_ah)))
236 #define	ath_hal_getrfgain(_ah) \
237 	((*(_ah)->ah_getRfGain)((_ah)))
238 #define	ath_hal_rxmonitor(_ah) \
239 	((*(_ah)->ah_rxMonitor)((_ah)))
240 
241 #define	ath_hal_setupbeacondesc(_ah, _ds, _opmode, _flen, _hlen, \
242 		_rate, _antmode) \
243 	((*(_ah)->ah_setupBeaconDesc)((_ah), (_ds), (_opmode), \
244 		(_flen), (_hlen), (_rate), (_antmode)))
245 #define	ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
246 	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
247 #define	ath_hal_rxprocdesc(_ah, _ds) \
248 	((*(_ah)->ah_procRxDesc)((_ah), (_ds)))
249 #define	ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
250 		_txr0, _txtr0, _keyix, _ant, _flags, \
251 		_rtsrate, _rtsdura) \
252 	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
253 		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
254 		(_flags), (_rtsrate), (_rtsdura)))
255 #define	ath_hal_setupxtxdesc(_ah, _ds, _short, \
256 		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
257 	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), (_short), \
258 		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
259 #define	ath_hal_filltxdesc(_ah, _ds, _l, _first, _last) \
260 	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_l), (_first), (_last)))
261 #define	ath_hal_txprocdesc(_ah, _ds) \
262 	((*(_ah)->ah_procTxDesc)((_ah), (_ds)))
263 
264 #endif /* _DEV_ATH_ATHVAR_H */
265