athvar.h revision 1.1.1.2 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: src/sys/dev/ath/if_athvar.h,v 1.10 2003/11/29 01:23:59 sam Exp $
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 <net80211/ieee80211_radiotap.h>
49 #include <dev/ath/if_athioctl.h>
50
51 #define ATH_TIMEOUT 1000
52
53 #define ATH_RXBUF 40 /* number of RX buffers */
54 #define ATH_TXBUF 60 /* number of TX buffers */
55 #define ATH_TXDESC 8 /* number of descriptors per buffer */
56
57 struct ath_recv_hist {
58 int arh_ticks; /* sample time by system clock */
59 u_int8_t arh_rssi; /* rssi */
60 u_int8_t arh_antenna; /* antenna */
61 };
62 #define ATH_RHIST_SIZE 16 /* number of samples */
63 #define ATH_RHIST_NOTIME (~0)
64
65 /* driver-specific node */
66 struct ath_node {
67 struct ieee80211_node an_node; /* base class */
68 u_int an_tx_ok; /* tx ok pkt */
69 u_int an_tx_err; /* tx !ok pkt */
70 u_int an_tx_retr; /* tx retry count */
71 int an_tx_upper; /* tx upper rate req cnt */
72 u_int an_tx_antenna; /* antenna for last good frame */
73 u_int an_rx_antenna; /* antenna for last rcvd frame */
74 struct ath_recv_hist an_rx_hist[ATH_RHIST_SIZE];
75 u_int an_rx_hist_next;/* index of next ``free entry'' */
76 };
77 #define ATH_NODE(_n) ((struct ath_node *)(_n))
78
79 struct ath_buf {
80 TAILQ_ENTRY(ath_buf) bf_list;
81 int bf_nseg;
82 bus_dmamap_t bf_dmamap; /* DMA map of the buffer */
83 struct ath_desc *bf_desc; /* virtual addr of desc */
84 bus_addr_t bf_daddr; /* physical addr of desc */
85 struct mbuf *bf_m; /* mbuf for buf */
86 struct ieee80211_node *bf_node; /* pointer to the node */
87 bus_size_t bf_mapsize;
88 #define ATH_MAX_SCATTER 64
89 bus_dma_segment_t bf_segs[ATH_MAX_SCATTER];
90 };
91
92 struct ath_softc {
93 struct ieee80211com sc_ic; /* IEEE 802.11 common */
94 int (*sc_newstate)(struct ieee80211com *,
95 enum ieee80211_state, int);
96 device_t sc_dev;
97 bus_space_tag_t sc_st; /* bus space tag */
98 bus_space_handle_t sc_sh; /* bus space handle */
99 bus_dma_tag_t sc_dmat; /* bus DMA tag */
100 struct mtx sc_mtx; /* master lock (recursive) */
101 struct ath_hal *sc_ah; /* Atheros HAL */
102 unsigned int sc_invalid : 1,/* disable hardware accesses */
103 sc_doani : 1,/* dynamic noise immunity */
104 sc_probing : 1;/* probing AP on beacon miss */
105 /* rate tables */
106 const HAL_RATE_TABLE *sc_rates[IEEE80211_MODE_MAX];
107 const HAL_RATE_TABLE *sc_currates; /* current rate table */
108 enum ieee80211_phymode sc_curmode; /* current phy mode */
109 u_int8_t sc_rixmap[256]; /* IEEE to h/w rate table ix */
110 u_int8_t sc_hwmap[32]; /* h/w rate ix to IEEE table */
111 HAL_INT sc_imask; /* interrupt mask copy */
112
113 struct bpf_if *sc_drvbpf;
114 union {
115 struct ath_tx_radiotap_header th;
116 u_int8_t pad[64];
117 } u_tx_rt;
118 union {
119 struct ath_rx_radiotap_header th;
120 u_int8_t pad[64];
121 } u_rx_rt;
122
123 struct ath_desc *sc_desc; /* TX/RX descriptors */
124 bus_dma_segment_t sc_dseg;
125 bus_dmamap_t sc_ddmamap; /* DMA map for descriptors */
126 bus_addr_t sc_desc_paddr; /* physical addr of sc_desc */
127 bus_addr_t sc_desc_len; /* size of sc_desc */
128
129 struct task sc_fataltask; /* fatal int processing */
130 struct task sc_rxorntask; /* rxorn int processing */
131
132 TAILQ_HEAD(, ath_buf) sc_rxbuf; /* receive buffer */
133 u_int32_t *sc_rxlink; /* link ptr in last RX desc */
134 struct task sc_rxtask; /* rx int processing */
135
136 u_int sc_txhalq; /* HAL q for outgoing frames */
137 u_int32_t *sc_txlink; /* link ptr in last TX desc */
138 int sc_tx_timer; /* transmit timeout */
139 TAILQ_HEAD(, ath_buf) sc_txbuf; /* transmit buffer */
140 struct mtx sc_txbuflock; /* txbuf lock */
141 TAILQ_HEAD(, ath_buf) sc_txq; /* transmitting queue */
142 struct mtx sc_txqlock; /* lock on txq and txlink */
143 struct task sc_txtask; /* tx int processing */
144
145 u_int sc_bhalq; /* HAL q for outgoing beacons */
146 struct ath_buf *sc_bcbuf; /* beacon buffer */
147 struct ath_buf *sc_bufptr; /* allocated buffer ptr */
148 struct task sc_swbatask; /* swba int processing */
149 struct task sc_bmisstask; /* bmiss int processing */
150
151 struct callout sc_cal_ch; /* callout handle for cals */
152 struct callout sc_scan_ch; /* callout handle for scan */
153 struct ath_stats sc_stats; /* interface statistics */
154 };
155 #define sc_tx_th u_tx_rt.th
156 #define sc_rx_th u_rx_rt.th
157
158 #define ATH_LOCK_INIT(_sc) \
159 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
160 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE)
161 #define ATH_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
162 #define ATH_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
163 #define ATH_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
164 #define ATH_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
165
166 #define ATH_TXBUF_LOCK_INIT(_sc) \
167 mtx_init(&(_sc)->sc_txbuflock, \
168 device_get_nameunit((_sc)->sc_dev), "xmit buf q", MTX_DEF)
169 #define ATH_TXBUF_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_txbuflock)
170 #define ATH_TXBUF_LOCK(_sc) mtx_lock(&(_sc)->sc_txbuflock)
171 #define ATH_TXBUF_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_txbuflock)
172 #define ATH_TXBUF_LOCK_ASSERT(_sc) \
173 mtx_assert(&(_sc)->sc_txbuflock, MA_OWNED)
174
175 #define ATH_TXQ_LOCK_INIT(_sc) \
176 mtx_init(&(_sc)->sc_txqlock, \
177 device_get_nameunit((_sc)->sc_dev), "xmit q", MTX_DEF)
178 #define ATH_TXQ_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_txqlock)
179 #define ATH_TXQ_LOCK(_sc) mtx_lock(&(_sc)->sc_txqlock)
180 #define ATH_TXQ_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_txqlock)
181 #define ATH_TXQ_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_txqlock, MA_OWNED)
182
183 int ath_attach(u_int16_t, struct ath_softc *);
184 int ath_detach(struct ath_softc *);
185 void ath_resume(struct ath_softc *);
186 void ath_suspend(struct ath_softc *);
187 void ath_shutdown(struct ath_softc *);
188 void ath_intr(void *);
189
190 /*
191 * HAL definitions to comply with local coding convention.
192 */
193 #define ath_hal_reset(_ah, _opmode, _chan, _outdoor, _pstatus) \
194 ((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
195 #define ath_hal_getratetable(_ah, _mode) \
196 ((*(_ah)->ah_getRateTable)((_ah), (_mode)))
197 #define ath_hal_getregdomain(_ah) \
198 ((*(_ah)->ah_getRegDomain)((_ah)))
199 #define ath_hal_getcountrycode(_ah) (_ah)->ah_countryCode
200 #define ath_hal_getmac(_ah, _mac) \
201 ((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
202 #define ath_hal_detach(_ah) \
203 ((*(_ah)->ah_detach)((_ah)))
204 #define ath_hal_intrset(_ah, _mask) \
205 ((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
206 #define ath_hal_intrget(_ah) \
207 ((*(_ah)->ah_getInterrupts)((_ah)))
208 #define ath_hal_intrpend(_ah) \
209 ((*(_ah)->ah_isInterruptPending)((_ah)))
210 #define ath_hal_getisr(_ah, _pmask) \
211 ((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
212 #define ath_hal_updatetxtriglevel(_ah, _inc) \
213 ((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
214 #define ath_hal_setpower(_ah, _mode, _sleepduration) \
215 ((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE, (_sleepduration)))
216 #define ath_hal_keyreset(_ah, _ix) \
217 ((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
218 #define ath_hal_keyset(_ah, _ix, _pk) \
219 ((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), NULL, AH_FALSE))
220 #define ath_hal_keyisvalid(_ah, _ix) \
221 (((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
222 #define ath_hal_keysetmac(_ah, _ix, _mac) \
223 ((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
224 #define ath_hal_getrxfilter(_ah) \
225 ((*(_ah)->ah_getRxFilter)((_ah)))
226 #define ath_hal_setrxfilter(_ah, _filter) \
227 ((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
228 #define ath_hal_setmcastfilter(_ah, _mfilt0, _mfilt1) \
229 ((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
230 #define ath_hal_waitforbeacon(_ah, _bf) \
231 ((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
232 #define ath_hal_putrxbuf(_ah, _bufaddr) \
233 ((*(_ah)->ah_setRxDP)((_ah), (_bufaddr)))
234 #define ath_hal_gettsf32(_ah) \
235 ((*(_ah)->ah_getTsf32)((_ah)))
236 #define ath_hal_gettsf64(_ah) \
237 ((*(_ah)->ah_getTsf64)((_ah)))
238 #define ath_hal_resettsf(_ah) \
239 ((*(_ah)->ah_resetTsf)((_ah)))
240 #define ath_hal_rxena(_ah) \
241 ((*(_ah)->ah_enableReceive)((_ah)))
242 #define ath_hal_puttxbuf(_ah, _q, _bufaddr) \
243 ((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
244 #define ath_hal_gettxbuf(_ah, _q) \
245 ((*(_ah)->ah_getTxDP)((_ah), (_q)))
246 #define ath_hal_getrxbuf(_ah) \
247 ((*(_ah)->ah_getRxDP)((_ah)))
248 #define ath_hal_txstart(_ah, _q) \
249 ((*(_ah)->ah_startTxDma)((_ah), (_q)))
250 #define ath_hal_setchannel(_ah, _chan) \
251 ((*(_ah)->ah_setChannel)((_ah), (_chan)))
252 #define ath_hal_calibrate(_ah, _chan) \
253 ((*(_ah)->ah_perCalibration)((_ah), (_chan)))
254 #define ath_hal_setledstate(_ah, _state) \
255 ((*(_ah)->ah_setLedState)((_ah), (_state)))
256 #define ath_hal_beaconinit(_ah, _opmode, _nextb, _bperiod) \
257 ((*(_ah)->ah_beaconInit)((_ah), (_opmode), (_nextb), (_bperiod)))
258 #define ath_hal_beaconreset(_ah) \
259 ((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
260 #define ath_hal_beacontimers(_ah, _bs, _tsf, _dc, _cc) \
261 ((*(_ah)->ah_setStationBeaconTimers)((_ah), (_bs), (_tsf), \
262 (_dc), (_cc)))
263 #define ath_hal_setassocid(_ah, _bss, _associd) \
264 ((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd), 0))
265 #define ath_hal_setopmode(_ah, _opmode) \
266 ((*(_ah)->ah_setPCUConfig)((_ah), (_opmode)))
267 #define ath_hal_stoptxdma(_ah, _qnum) \
268 ((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
269 #define ath_hal_stoppcurecv(_ah) \
270 ((*(_ah)->ah_stopPcuReceive)((_ah)))
271 #define ath_hal_startpcurecv(_ah) \
272 ((*(_ah)->ah_startPcuReceive)((_ah)))
273 #define ath_hal_stopdmarecv(_ah) \
274 ((*(_ah)->ah_stopDmaReceive)((_ah)))
275 #define ath_hal_dumpstate(_ah) \
276 ((*(_ah)->ah_dumpState)((_ah)))
277 #define ath_hal_getdiagstate(_ah, _id, _data, _size) \
278 ((*(_ah)->ah_getDiagState)((_ah), (_id), (_data), (_size)))
279 #define ath_hal_setuptxqueue(_ah, _type, _irq) \
280 ((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
281 #define ath_hal_resettxqueue(_ah, _q) \
282 ((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
283 #define ath_hal_releasetxqueue(_ah, _q) \
284 ((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
285 #define ath_hal_hasveol(_ah) \
286 ((*(_ah)->ah_hasVEOL)((_ah)))
287 #define ath_hal_getrfgain(_ah) \
288 ((*(_ah)->ah_getRfGain)((_ah)))
289 #define ath_hal_rxmonitor(_ah) \
290 ((*(_ah)->ah_rxMonitor)((_ah)))
291
292 #define ath_hal_setupbeacondesc(_ah, _ds, _opmode, _flen, _hlen, \
293 _rate, _antmode) \
294 ((*(_ah)->ah_setupBeaconDesc)((_ah), (_ds), (_opmode), \
295 (_flen), (_hlen), (_rate), (_antmode)))
296 #define ath_hal_setuprxdesc(_ah, _ds, _size, _intreq) \
297 ((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
298 #define ath_hal_rxprocdesc(_ah, _ds, _dspa, _dsnext) \
299 ((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext)))
300 #define ath_hal_setuptxdesc(_ah, _ds, _plen, _hlen, _atype, _txpow, \
301 _txr0, _txtr0, _keyix, _ant, _flags, \
302 _rtsrate, _rtsdura) \
303 ((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
304 (_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
305 (_flags), (_rtsrate), (_rtsdura)))
306 #define ath_hal_setupxtxdesc(_ah, _ds, _short, \
307 _txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
308 ((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), (_short), \
309 (_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
310 #define ath_hal_filltxdesc(_ah, _ds, _l, _first, _last) \
311 ((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_l), (_first), (_last)))
312 #define ath_hal_txprocdesc(_ah, _ds) \
313 ((*(_ah)->ah_procTxDesc)((_ah), (_ds)))
314
315 #endif /* _DEV_ATH_ATHVAR_H */
316