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Commit | Line | Data |
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f078f209 | 1 | /* |
cee075a2 | 2 | * Copyright (c) 2008-2009 Atheros Communications Inc. |
f078f209 LR |
3 | * |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #ifndef ATH9K_H | |
18 | #define ATH9K_H | |
19 | ||
394cf0a1 S |
20 | #include <linux/etherdevice.h> |
21 | #include <linux/device.h> | |
394cf0a1 | 22 | #include <linux/leds.h> |
9f42c2b6 | 23 | #include <linux/completion.h> |
98c316e3 | 24 | #include <linux/pm_qos_params.h> |
394cf0a1 | 25 | |
394cf0a1 | 26 | #include "debug.h" |
db86f07e LR |
27 | #include "common.h" |
28 | ||
29 | /* | |
30 | * Header for the ath9k.ko driver core *only* -- hw code nor any other driver | |
31 | * should rely on this file or its contents. | |
32 | */ | |
394cf0a1 S |
33 | |
34 | struct ath_node; | |
35 | ||
36 | /* Macro to expand scalars to 64-bit objects */ | |
37 | ||
13bda122 | 38 | #define ito64(x) (sizeof(x) == 1) ? \ |
394cf0a1 | 39 | (((unsigned long long int)(x)) & (0xff)) : \ |
13bda122 | 40 | (sizeof(x) == 2) ? \ |
394cf0a1 | 41 | (((unsigned long long int)(x)) & 0xffff) : \ |
13bda122 | 42 | ((sizeof(x) == 4) ? \ |
394cf0a1 S |
43 | (((unsigned long long int)(x)) & 0xffffffff) : \ |
44 | (unsigned long long int)(x)) | |
45 | ||
46 | /* increment with wrap-around */ | |
47 | #define INCR(_l, _sz) do { \ | |
48 | (_l)++; \ | |
49 | (_l) &= ((_sz) - 1); \ | |
50 | } while (0) | |
51 | ||
52 | /* decrement with wrap-around */ | |
53 | #define DECR(_l, _sz) do { \ | |
54 | (_l)--; \ | |
55 | (_l) &= ((_sz) - 1); \ | |
56 | } while (0) | |
57 | ||
58 | #define A_MAX(a, b) ((a) > (b) ? (a) : (b)) | |
59 | ||
4dc3530d MSS |
60 | #define ATH9K_PM_QOS_DEFAULT_VALUE 55 |
61 | ||
394cf0a1 S |
62 | #define TSF_TO_TU(_h,_l) \ |
63 | ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) | |
64 | ||
65 | #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) | |
66 | ||
394cf0a1 S |
67 | struct ath_config { |
68 | u32 ath_aggr_prot; | |
69 | u16 txpowlimit; | |
70 | u8 cabqReadytime; | |
394cf0a1 S |
71 | }; |
72 | ||
73 | /*************************/ | |
74 | /* Descriptor Management */ | |
75 | /*************************/ | |
76 | ||
77 | #define ATH_TXBUF_RESET(_bf) do { \ | |
a119cc49 | 78 | (_bf)->bf_stale = false; \ |
394cf0a1 S |
79 | (_bf)->bf_lastbf = NULL; \ |
80 | (_bf)->bf_next = NULL; \ | |
81 | memset(&((_bf)->bf_state), 0, \ | |
82 | sizeof(struct ath_buf_state)); \ | |
83 | } while (0) | |
84 | ||
a119cc49 S |
85 | #define ATH_RXBUF_RESET(_bf) do { \ |
86 | (_bf)->bf_stale = false; \ | |
87 | } while (0) | |
88 | ||
394cf0a1 S |
89 | /** |
90 | * enum buffer_type - Buffer type flags | |
91 | * | |
394cf0a1 S |
92 | * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) |
93 | * @BUF_AGGR: Indicates whether the buffer can be aggregated | |
94 | * (used in aggregation scheduling) | |
394cf0a1 S |
95 | * @BUF_XRETRY: To denote excessive retries of the buffer |
96 | */ | |
97 | enum buffer_type { | |
394cf0a1 S |
98 | BUF_AMPDU = BIT(2), |
99 | BUF_AGGR = BIT(3), | |
394cf0a1 S |
100 | BUF_XRETRY = BIT(5), |
101 | }; | |
102 | ||
394cf0a1 S |
103 | #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) |
104 | #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) | |
394cf0a1 | 105 | #define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY) |
f078f209 | 106 | |
5088c2f1 VT |
107 | #define ATH_TXSTATUS_RING_SIZE 64 |
108 | ||
394cf0a1 | 109 | struct ath_descdma { |
5088c2f1 | 110 | void *dd_desc; |
17d7904d S |
111 | dma_addr_t dd_desc_paddr; |
112 | u32 dd_desc_len; | |
113 | struct ath_buf *dd_bufptr; | |
394cf0a1 S |
114 | }; |
115 | ||
116 | int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, | |
117 | struct list_head *head, const char *name, | |
4adfcded | 118 | int nbuf, int ndesc, bool is_tx); |
394cf0a1 S |
119 | void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, |
120 | struct list_head *head); | |
121 | ||
122 | /***********/ | |
123 | /* RX / TX */ | |
124 | /***********/ | |
125 | ||
126 | #define ATH_MAX_ANTENNA 3 | |
127 | #define ATH_RXBUF 512 | |
394cf0a1 | 128 | #define ATH_TXBUF 512 |
84642d6b FF |
129 | #define ATH_TXBUF_RESERVE 5 |
130 | #define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE) | |
394cf0a1 | 131 | #define ATH_TXMAXTRY 13 |
394cf0a1 | 132 | #define ATH_MGT_TXMAXTRY 4 |
394cf0a1 S |
133 | |
134 | #define TID_TO_WME_AC(_tid) \ | |
135 | ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \ | |
136 | (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \ | |
137 | (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \ | |
138 | WME_AC_VO) | |
139 | ||
394cf0a1 S |
140 | #define ADDBA_EXCHANGE_ATTEMPTS 10 |
141 | #define ATH_AGGR_DELIM_SZ 4 | |
142 | #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */ | |
143 | /* number of delimiters for encryption padding */ | |
144 | #define ATH_AGGR_ENCRYPTDELIM 10 | |
145 | /* minimum h/w qdepth to be sustained to maximize aggregation */ | |
146 | #define ATH_AGGR_MIN_QDEPTH 2 | |
147 | #define ATH_AMPDU_SUBFRAME_DEFAULT 32 | |
394cf0a1 S |
148 | |
149 | #define IEEE80211_SEQ_SEQ_SHIFT 4 | |
150 | #define IEEE80211_SEQ_MAX 4096 | |
394cf0a1 S |
151 | #define IEEE80211_WEP_IVLEN 3 |
152 | #define IEEE80211_WEP_KIDLEN 1 | |
153 | #define IEEE80211_WEP_CRCLEN 4 | |
154 | #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \ | |
155 | (IEEE80211_WEP_IVLEN + \ | |
156 | IEEE80211_WEP_KIDLEN + \ | |
157 | IEEE80211_WEP_CRCLEN)) | |
158 | ||
159 | /* return whether a bit at index _n in bitmap _bm is set | |
160 | * _sz is the size of the bitmap */ | |
161 | #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \ | |
162 | ((_bm)[(_n) >> 5] & (1 << ((_n) & 31)))) | |
163 | ||
164 | /* return block-ack bitmap index given sequence and starting sequence */ | |
165 | #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1)) | |
166 | ||
167 | /* returns delimiter padding required given the packet length */ | |
168 | #define ATH_AGGR_GET_NDELIM(_len) \ | |
39ec2997 VT |
169 | (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \ |
170 | DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ)) | |
394cf0a1 S |
171 | |
172 | #define BAW_WITHIN(_start, _bawsz, _seqno) \ | |
173 | ((((_seqno) - (_start)) & 4095) < (_bawsz)) | |
174 | ||
394cf0a1 S |
175 | #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) |
176 | ||
164ace38 SB |
177 | #define ATH_TX_COMPLETE_POLL_INT 1000 |
178 | ||
394cf0a1 S |
179 | enum ATH_AGGR_STATUS { |
180 | ATH_AGGR_DONE, | |
181 | ATH_AGGR_BAW_CLOSED, | |
182 | ATH_AGGR_LIMITED, | |
183 | }; | |
184 | ||
e5003249 | 185 | #define ATH_TXFIFO_DEPTH 8 |
394cf0a1 | 186 | struct ath_txq { |
60f2d1d5 BG |
187 | int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ |
188 | u32 axq_qnum; /* ath9k hardware queue number */ | |
17d7904d S |
189 | u32 *axq_link; |
190 | struct list_head axq_q; | |
394cf0a1 | 191 | spinlock_t axq_lock; |
17d7904d | 192 | u32 axq_depth; |
4b3ba66a | 193 | u32 axq_ampdu_depth; |
17d7904d | 194 | bool stopped; |
164ace38 | 195 | bool axq_tx_inprogress; |
394cf0a1 | 196 | struct list_head axq_acq; |
e5003249 VT |
197 | struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; |
198 | struct list_head txq_fifo_pending; | |
199 | u8 txq_headidx; | |
200 | u8 txq_tailidx; | |
066dae93 | 201 | int pending_frames; |
394cf0a1 S |
202 | }; |
203 | ||
93ef24b2 | 204 | struct ath_atx_ac { |
066dae93 | 205 | struct ath_txq *txq; |
93ef24b2 | 206 | int sched; |
93ef24b2 S |
207 | struct list_head list; |
208 | struct list_head tid_q; | |
209 | }; | |
210 | ||
2d42efc4 FF |
211 | struct ath_frame_info { |
212 | int framelen; | |
213 | u32 keyix; | |
214 | enum ath9k_key_type keytype; | |
215 | u8 retries; | |
216 | u16 seqno; | |
217 | }; | |
218 | ||
93ef24b2 | 219 | struct ath_buf_state { |
93ef24b2 | 220 | u8 bf_type; |
9f42c2b6 | 221 | u8 bfs_paprd; |
61117f01 | 222 | enum ath9k_internal_frame_type bfs_ftype; |
93ef24b2 S |
223 | }; |
224 | ||
225 | struct ath_buf { | |
226 | struct list_head list; | |
227 | struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or | |
228 | an aggregate) */ | |
229 | struct ath_buf *bf_next; /* next subframe in the aggregate */ | |
230 | struct sk_buff *bf_mpdu; /* enclosing frame structure */ | |
231 | void *bf_desc; /* virtual addr of desc */ | |
232 | dma_addr_t bf_daddr; /* physical addr of desc */ | |
c1739eb3 | 233 | dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */ |
93ef24b2 | 234 | bool bf_stale; |
93ef24b2 S |
235 | u16 bf_flags; |
236 | struct ath_buf_state bf_state; | |
93ef24b2 S |
237 | struct ath_wiphy *aphy; |
238 | }; | |
239 | ||
240 | struct ath_atx_tid { | |
241 | struct list_head list; | |
242 | struct list_head buf_q; | |
243 | struct ath_node *an; | |
244 | struct ath_atx_ac *ac; | |
81ee13ba | 245 | unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)]; |
93ef24b2 S |
246 | u16 seq_start; |
247 | u16 seq_next; | |
248 | u16 baw_size; | |
249 | int tidno; | |
250 | int baw_head; /* first un-acked tx buffer */ | |
251 | int baw_tail; /* next unused tx buffer slot */ | |
252 | int sched; | |
253 | int paused; | |
254 | u8 state; | |
255 | }; | |
256 | ||
257 | struct ath_node { | |
7f010c93 BG |
258 | #ifdef CONFIG_ATH9K_DEBUGFS |
259 | struct list_head list; /* for sc->nodes */ | |
260 | struct ieee80211_sta *sta; /* station struct we're part of */ | |
261 | #endif | |
93ef24b2 S |
262 | struct ath_atx_tid tid[WME_NUM_TID]; |
263 | struct ath_atx_ac ac[WME_NUM_AC]; | |
264 | u16 maxampdu; | |
265 | u8 mpdudensity; | |
93ef24b2 S |
266 | }; |
267 | ||
394cf0a1 S |
268 | #define AGGR_CLEANUP BIT(1) |
269 | #define AGGR_ADDBA_COMPLETE BIT(2) | |
270 | #define AGGR_ADDBA_PROGRESS BIT(3) | |
271 | ||
394cf0a1 S |
272 | struct ath_tx_control { |
273 | struct ath_txq *txq; | |
2d42efc4 | 274 | struct ath_node *an; |
394cf0a1 | 275 | int if_id; |
f0ed85c6 | 276 | enum ath9k_internal_frame_type frame_type; |
9f42c2b6 | 277 | u8 paprd; |
394cf0a1 S |
278 | }; |
279 | ||
394cf0a1 S |
280 | #define ATH_TX_ERROR 0x01 |
281 | #define ATH_TX_XRETRY 0x02 | |
282 | #define ATH_TX_BAR 0x04 | |
394cf0a1 | 283 | |
60f2d1d5 BG |
284 | /** |
285 | * @txq_map: Index is mac80211 queue number. This is | |
286 | * not necessarily the same as the hardware queue number | |
287 | * (axq_qnum). | |
288 | */ | |
394cf0a1 S |
289 | struct ath_tx { |
290 | u16 seq_no; | |
291 | u32 txqsetup; | |
394cf0a1 S |
292 | spinlock_t txbuflock; |
293 | struct list_head txbuf; | |
294 | struct ath_txq txq[ATH9K_NUM_TX_QUEUES]; | |
295 | struct ath_descdma txdma; | |
066dae93 | 296 | struct ath_txq *txq_map[WME_NUM_AC]; |
394cf0a1 S |
297 | }; |
298 | ||
b5c80475 FF |
299 | struct ath_rx_edma { |
300 | struct sk_buff_head rx_fifo; | |
301 | struct sk_buff_head rx_buffers; | |
302 | u32 rx_fifo_hwsize; | |
303 | }; | |
304 | ||
394cf0a1 S |
305 | struct ath_rx { |
306 | u8 defant; | |
307 | u8 rxotherant; | |
308 | u32 *rxlink; | |
394cf0a1 | 309 | unsigned int rxfilter; |
394cf0a1 S |
310 | spinlock_t rxbuflock; |
311 | struct list_head rxbuf; | |
312 | struct ath_descdma rxdma; | |
b5c80475 FF |
313 | struct ath_buf *rx_bufptr; |
314 | struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; | |
394cf0a1 S |
315 | }; |
316 | ||
317 | int ath_startrecv(struct ath_softc *sc); | |
318 | bool ath_stoprecv(struct ath_softc *sc); | |
319 | void ath_flushrecv(struct ath_softc *sc); | |
320 | u32 ath_calcrxfilter(struct ath_softc *sc); | |
321 | int ath_rx_init(struct ath_softc *sc, int nbufs); | |
322 | void ath_rx_cleanup(struct ath_softc *sc); | |
b5c80475 | 323 | int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp); |
394cf0a1 S |
324 | struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); |
325 | void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); | |
080e1a25 | 326 | bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx); |
394cf0a1 S |
327 | void ath_draintxq(struct ath_softc *sc, |
328 | struct ath_txq *txq, bool retry_tx); | |
329 | void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); | |
330 | void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); | |
331 | void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); | |
332 | int ath_tx_init(struct ath_softc *sc, int nbufs); | |
797fe5cb | 333 | void ath_tx_cleanup(struct ath_softc *sc); |
394cf0a1 S |
334 | int ath_txq_update(struct ath_softc *sc, int qnum, |
335 | struct ath9k_tx_queue_info *q); | |
c52f33d0 | 336 | int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, |
394cf0a1 S |
337 | struct ath_tx_control *txctl); |
338 | void ath_tx_tasklet(struct ath_softc *sc); | |
e5003249 | 339 | void ath_tx_edma_tasklet(struct ath_softc *sc); |
231c3a1f FF |
340 | int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, |
341 | u16 tid, u16 *ssn); | |
f83da965 | 342 | void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); |
394cf0a1 S |
343 | void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); |
344 | ||
345 | /********/ | |
17d7904d | 346 | /* VIFs */ |
394cf0a1 | 347 | /********/ |
f078f209 | 348 | |
17d7904d | 349 | struct ath_vif { |
394cf0a1 | 350 | int av_bslot; |
4ed96f04 | 351 | __le64 tsf_adjust; /* TSF adjustment for staggered beacons */ |
394cf0a1 S |
352 | enum nl80211_iftype av_opmode; |
353 | struct ath_buf *av_bcbuf; | |
f0ed85c6 | 354 | u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */ |
f078f209 LR |
355 | }; |
356 | ||
394cf0a1 S |
357 | /*******************/ |
358 | /* Beacon Handling */ | |
359 | /*******************/ | |
f078f209 | 360 | |
394cf0a1 S |
361 | /* |
362 | * Regardless of the number of beacons we stagger, (i.e. regardless of the | |
363 | * number of BSSIDs) if a given beacon does not go out even after waiting this | |
364 | * number of beacon intervals, the game's up. | |
365 | */ | |
366 | #define BSTUCK_THRESH (9 * ATH_BCBUF) | |
4ed96f04 | 367 | #define ATH_BCBUF 4 |
394cf0a1 S |
368 | #define ATH_DEFAULT_BINTVAL 100 /* TU */ |
369 | #define ATH_DEFAULT_BMISS_LIMIT 10 | |
370 | #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) | |
371 | ||
372 | struct ath_beacon_config { | |
373 | u16 beacon_interval; | |
374 | u16 listen_interval; | |
375 | u16 dtim_period; | |
376 | u16 bmiss_timeout; | |
377 | u8 dtim_count; | |
394cf0a1 S |
378 | }; |
379 | ||
380 | struct ath_beacon { | |
381 | enum { | |
382 | OK, /* no change needed */ | |
383 | UPDATE, /* update pending */ | |
384 | COMMIT /* beacon sent, commit change */ | |
385 | } updateslot; /* slot time update fsm */ | |
386 | ||
387 | u32 beaconq; | |
388 | u32 bmisscnt; | |
389 | u32 ast_be_xmit; | |
390 | u64 bc_tstamp; | |
2c3db3d5 | 391 | struct ieee80211_vif *bslot[ATH_BCBUF]; |
c52f33d0 | 392 | struct ath_wiphy *bslot_aphy[ATH_BCBUF]; |
394cf0a1 S |
393 | int slottime; |
394 | int slotupdate; | |
395 | struct ath9k_tx_queue_info beacon_qi; | |
396 | struct ath_descdma bdma; | |
397 | struct ath_txq *cabq; | |
398 | struct list_head bbuf; | |
399 | }; | |
400 | ||
9fc9ab0a | 401 | void ath_beacon_tasklet(unsigned long data); |
2c3db3d5 | 402 | void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif); |
c52f33d0 | 403 | int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif); |
17d7904d | 404 | void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp); |
94db2936 | 405 | int ath_beaconq_config(struct ath_softc *sc); |
394cf0a1 S |
406 | |
407 | /*******/ | |
408 | /* ANI */ | |
409 | /*******/ | |
f078f209 | 410 | |
20977d3e S |
411 | #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ |
412 | #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */ | |
e36b27af LR |
413 | #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */ |
414 | #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */ | |
6044474e | 415 | #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */ |
20977d3e S |
416 | #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ |
417 | #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ | |
f078f209 | 418 | |
ca369eb4 VT |
419 | #define ATH_PAPRD_TIMEOUT 100 /* msecs */ |
420 | ||
347809fc | 421 | void ath_hw_check(struct work_struct *work); |
9f42c2b6 | 422 | void ath_paprd_calibrate(struct work_struct *work); |
55624204 S |
423 | void ath_ani_calibrate(unsigned long data); |
424 | ||
0fca65c1 S |
425 | /**********/ |
426 | /* BTCOEX */ | |
427 | /**********/ | |
428 | ||
2e20250a LR |
429 | struct ath_btcoex { |
430 | bool hw_timer_enabled; | |
431 | spinlock_t btcoex_lock; | |
432 | struct timer_list period_timer; /* Timer for BT period */ | |
433 | u32 bt_priority_cnt; | |
434 | unsigned long bt_priority_time; | |
e08a6ace | 435 | int bt_stomp_type; /* Types of BT stomping */ |
2e20250a LR |
436 | u32 btcoex_no_stomp; /* in usec */ |
437 | u32 btcoex_period; /* in usec */ | |
58da1318 | 438 | u32 btscan_no_stomp; /* in usec */ |
75d7839f | 439 | struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */ |
2e20250a LR |
440 | }; |
441 | ||
0fca65c1 S |
442 | int ath_init_btcoex_timer(struct ath_softc *sc); |
443 | void ath9k_btcoex_timer_resume(struct ath_softc *sc); | |
444 | void ath9k_btcoex_timer_pause(struct ath_softc *sc); | |
445 | ||
394cf0a1 S |
446 | /********************/ |
447 | /* LED Control */ | |
448 | /********************/ | |
f078f209 | 449 | |
08fc5c1b VN |
450 | #define ATH_LED_PIN_DEF 1 |
451 | #define ATH_LED_PIN_9287 8 | |
394cf0a1 S |
452 | #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */ |
453 | #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */ | |
f078f209 | 454 | |
394cf0a1 S |
455 | enum ath_led_type { |
456 | ATH_LED_RADIO, | |
457 | ATH_LED_ASSOC, | |
458 | ATH_LED_TX, | |
459 | ATH_LED_RX | |
f078f209 LR |
460 | }; |
461 | ||
394cf0a1 S |
462 | struct ath_led { |
463 | struct ath_softc *sc; | |
464 | struct led_classdev led_cdev; | |
465 | enum ath_led_type led_type; | |
466 | char name[32]; | |
467 | bool registered; | |
f078f209 LR |
468 | }; |
469 | ||
0fca65c1 S |
470 | void ath_init_leds(struct ath_softc *sc); |
471 | void ath_deinit_leds(struct ath_softc *sc); | |
472 | ||
102885a5 VT |
473 | /* Antenna diversity/combining */ |
474 | #define ATH_ANT_RX_CURRENT_SHIFT 4 | |
475 | #define ATH_ANT_RX_MAIN_SHIFT 2 | |
476 | #define ATH_ANT_RX_MASK 0x3 | |
477 | ||
478 | #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50 | |
479 | #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100 | |
480 | #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200 | |
481 | #define ATH_ANT_DIV_COMB_INIT_COUNT 95 | |
482 | #define ATH_ANT_DIV_COMB_MAX_COUNT 100 | |
483 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30 | |
484 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20 | |
485 | ||
486 | #define ATH_ANT_DIV_COMB_LNA1_LNA2_DELTA -3 | |
487 | #define ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA -1 | |
488 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4 | |
489 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2 | |
490 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2 | |
491 | ||
492 | enum ath9k_ant_div_comb_lna_conf { | |
493 | ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2, | |
494 | ATH_ANT_DIV_COMB_LNA2, | |
495 | ATH_ANT_DIV_COMB_LNA1, | |
496 | ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2, | |
497 | }; | |
498 | ||
499 | struct ath_ant_comb { | |
500 | u16 count; | |
501 | u16 total_pkt_count; | |
502 | bool scan; | |
503 | bool scan_not_start; | |
504 | int main_total_rssi; | |
505 | int alt_total_rssi; | |
506 | int alt_recv_cnt; | |
507 | int main_recv_cnt; | |
508 | int rssi_lna1; | |
509 | int rssi_lna2; | |
510 | int rssi_add; | |
511 | int rssi_sub; | |
512 | int rssi_first; | |
513 | int rssi_second; | |
514 | int rssi_third; | |
515 | bool alt_good; | |
516 | int quick_scan_cnt; | |
517 | int main_conf; | |
518 | enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf; | |
519 | enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf; | |
520 | int first_bias; | |
521 | int second_bias; | |
522 | bool first_ratio; | |
523 | bool second_ratio; | |
524 | unsigned long scan_start_time; | |
525 | }; | |
526 | ||
394cf0a1 S |
527 | /********************/ |
528 | /* Main driver core */ | |
529 | /********************/ | |
f078f209 | 530 | |
394cf0a1 S |
531 | /* |
532 | * Default cache line size, in bytes. | |
533 | * Used when PCI device not fully initialized by bootrom/BIOS | |
534 | */ | |
535 | #define DEFAULT_CACHELINE 32 | |
394cf0a1 S |
536 | #define ATH_REGCLASSIDS_MAX 10 |
537 | #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ | |
538 | #define ATH_MAX_SW_RETRIES 10 | |
539 | #define ATH_CHAN_MAX 255 | |
540 | #define IEEE80211_WEP_NKID 4 /* number of key ids */ | |
f1dc5600 | 541 | |
394cf0a1 | 542 | #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ |
394cf0a1 S |
543 | #define ATH_RATE_DUMMY_MARKER 0 |
544 | ||
1b04b930 S |
545 | #define SC_OP_INVALID BIT(0) |
546 | #define SC_OP_BEACONS BIT(1) | |
547 | #define SC_OP_RXAGGR BIT(2) | |
548 | #define SC_OP_TXAGGR BIT(3) | |
5ee08656 | 549 | #define SC_OP_OFFCHANNEL BIT(4) |
1b04b930 S |
550 | #define SC_OP_PREAMBLE_SHORT BIT(5) |
551 | #define SC_OP_PROTECT_ENABLE BIT(6) | |
552 | #define SC_OP_RXFLUSH BIT(7) | |
553 | #define SC_OP_LED_ASSOCIATED BIT(8) | |
554 | #define SC_OP_LED_ON BIT(9) | |
1b04b930 S |
555 | #define SC_OP_TSF_RESET BIT(11) |
556 | #define SC_OP_BT_PRIORITY_DETECTED BIT(12) | |
58da1318 | 557 | #define SC_OP_BT_SCAN BIT(13) |
6c3118e2 | 558 | #define SC_OP_ANI_RUN BIT(14) |
ea066d5a | 559 | #define SC_OP_ENABLE_APM BIT(15) |
1b04b930 S |
560 | |
561 | /* Powersave flags */ | |
562 | #define PS_WAIT_FOR_BEACON BIT(0) | |
563 | #define PS_WAIT_FOR_CAB BIT(1) | |
564 | #define PS_WAIT_FOR_PSPOLL_DATA BIT(2) | |
565 | #define PS_WAIT_FOR_TX_ACK BIT(3) | |
566 | #define PS_BEACON_SYNC BIT(4) | |
394cf0a1 | 567 | |
bce048d7 | 568 | struct ath_wiphy; |
545750d3 | 569 | struct ath_rate_table; |
bce048d7 | 570 | |
4801416c BG |
571 | struct ath9k_vif_iter_data { |
572 | const u8 *hw_macaddr; /* phy's hardware address, set | |
573 | * before starting iteration for | |
574 | * valid bssid mask. | |
575 | */ | |
576 | u8 mask[ETH_ALEN]; /* bssid mask */ | |
577 | int naps; /* number of AP vifs */ | |
578 | int nmeshes; /* number of mesh vifs */ | |
579 | int nstations; /* number of station vifs */ | |
580 | int nwds; /* number of nwd vifs */ | |
581 | int nadhocs; /* number of adhoc vifs */ | |
582 | int nothers; /* number of vifs not specified above. */ | |
583 | }; | |
584 | ||
394cf0a1 S |
585 | struct ath_softc { |
586 | struct ieee80211_hw *hw; | |
587 | struct device *dev; | |
c52f33d0 JM |
588 | |
589 | spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */ | |
bce048d7 | 590 | struct ath_wiphy *pri_wiphy; |
c52f33d0 JM |
591 | struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may |
592 | * have NULL entries */ | |
593 | int num_sec_wiphy; /* number of sec_wiphy pointers in the array */ | |
0e2dedf9 JM |
594 | int chan_idx; |
595 | int chan_is_ht; | |
596 | struct ath_wiphy *next_wiphy; | |
597 | struct work_struct chan_work; | |
7ec3e514 JM |
598 | int wiphy_select_failures; |
599 | unsigned long wiphy_select_first_fail; | |
f98c3bd2 JM |
600 | struct delayed_work wiphy_work; |
601 | unsigned long wiphy_scheduler_int; | |
602 | int wiphy_scheduler_index; | |
3430098a FF |
603 | struct survey_info *cur_survey; |
604 | struct survey_info survey[ATH9K_NUM_CHANNELS]; | |
0e2dedf9 | 605 | |
394cf0a1 S |
606 | struct tasklet_struct intr_tq; |
607 | struct tasklet_struct bcon_tasklet; | |
cbe61d8a | 608 | struct ath_hw *sc_ah; |
394cf0a1 S |
609 | void __iomem *mem; |
610 | int irq; | |
2d6a5e95 | 611 | spinlock_t sc_serial_rw; |
04717ccd | 612 | spinlock_t sc_pm_lock; |
4bdd1e97 | 613 | spinlock_t sc_pcu_lock; |
394cf0a1 | 614 | struct mutex mutex; |
9f42c2b6 | 615 | struct work_struct paprd_work; |
347809fc | 616 | struct work_struct hw_check_work; |
9f42c2b6 | 617 | struct completion paprd_complete; |
82259b77 | 618 | bool paprd_pending; |
394cf0a1 | 619 | |
17d7904d | 620 | u32 intrstatus; |
394cf0a1 | 621 | u32 sc_flags; /* SC_OP_* */ |
1b04b930 | 622 | u16 ps_flags; /* PS_* */ |
17d7904d | 623 | u16 curtxpow; |
96148326 | 624 | bool ps_enabled; |
1dbfd9d4 | 625 | bool ps_idle; |
4801416c BG |
626 | short nbcnvifs; |
627 | short nvifs; | |
709ade9e | 628 | unsigned long ps_usecount; |
394cf0a1 | 629 | |
17d7904d | 630 | struct ath_config config; |
394cf0a1 S |
631 | struct ath_rx rx; |
632 | struct ath_tx tx; | |
633 | struct ath_beacon beacon; | |
394cf0a1 S |
634 | struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; |
635 | ||
636 | struct ath_led radio_led; | |
637 | struct ath_led assoc_led; | |
638 | struct ath_led tx_led; | |
639 | struct ath_led rx_led; | |
640 | struct delayed_work ath_led_blink_work; | |
641 | int led_on_duration; | |
642 | int led_off_duration; | |
643 | int led_on_cnt; | |
644 | int led_off_cnt; | |
645 | ||
57c4d7b4 JB |
646 | int beacon_interval; |
647 | ||
a830df07 | 648 | #ifdef CONFIG_ATH9K_DEBUGFS |
17d7904d | 649 | struct ath9k_debug debug; |
7f010c93 BG |
650 | spinlock_t nodes_lock; |
651 | struct list_head nodes; /* basically, stations */ | |
60f2d1d5 | 652 | unsigned int tx_complete_poll_work_seen; |
394cf0a1 | 653 | #endif |
6b96f93e | 654 | struct ath_beacon_config cur_beacon_conf; |
164ace38 | 655 | struct delayed_work tx_complete_work; |
2e20250a | 656 | struct ath_btcoex btcoex; |
5088c2f1 VT |
657 | |
658 | struct ath_descdma txsdma; | |
102885a5 VT |
659 | |
660 | struct ath_ant_comb ant_comb; | |
98c316e3 GJ |
661 | |
662 | struct pm_qos_request_list pm_qos_req; | |
394cf0a1 S |
663 | }; |
664 | ||
bce048d7 JM |
665 | struct ath_wiphy { |
666 | struct ath_softc *sc; /* shared for all virtual wiphys */ | |
667 | struct ieee80211_hw *hw; | |
20bd2a09 | 668 | struct ath9k_hw_cal_data caldata; |
f0ed85c6 | 669 | enum ath_wiphy_state { |
9580a222 | 670 | ATH_WIPHY_INACTIVE, |
f0ed85c6 JM |
671 | ATH_WIPHY_ACTIVE, |
672 | ATH_WIPHY_PAUSING, | |
673 | ATH_WIPHY_PAUSED, | |
8089cc47 | 674 | ATH_WIPHY_SCAN, |
f0ed85c6 | 675 | } state; |
194b7c13 | 676 | bool idle; |
0e2dedf9 JM |
677 | int chan_idx; |
678 | int chan_is_ht; | |
9fa23e17 | 679 | int last_rssi; |
bce048d7 JM |
680 | }; |
681 | ||
55624204 | 682 | void ath9k_tasklet(unsigned long data); |
394cf0a1 | 683 | int ath_reset(struct ath_softc *sc, bool retry_tx); |
394cf0a1 S |
684 | int ath_cabq_update(struct ath_softc *); |
685 | ||
5bb12791 | 686 | static inline void ath_read_cachesize(struct ath_common *common, int *csz) |
394cf0a1 | 687 | { |
5bb12791 | 688 | common->bus_ops->read_cachesize(common, csz); |
394cf0a1 S |
689 | } |
690 | ||
394cf0a1 | 691 | extern struct ieee80211_ops ath9k_ops; |
3e6109c5 | 692 | extern int ath9k_modparam_nohwcrypt; |
9a75c2ff | 693 | extern int led_blink; |
4dc3530d | 694 | extern int ath9k_pm_qos_value; |
d584747b | 695 | extern bool is_ath9k_unloaded; |
394cf0a1 S |
696 | |
697 | irqreturn_t ath_isr(int irq, void *dev); | |
db7ec38d | 698 | void ath9k_init_crypto(struct ath_softc *sc); |
285f2dda | 699 | int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid, |
5bb12791 | 700 | const struct ath_bus_ops *bus_ops); |
285f2dda | 701 | void ath9k_deinit_device(struct ath_softc *sc); |
285f2dda | 702 | void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw); |
0e2dedf9 JM |
703 | void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw, |
704 | struct ath9k_channel *ichan); | |
0e2dedf9 JM |
705 | int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, |
706 | struct ath9k_channel *hchan); | |
68a89116 LR |
707 | |
708 | void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw); | |
709 | void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw); | |
55624204 | 710 | bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode); |
4801416c | 711 | bool ath9k_uses_beacons(int type); |
394cf0a1 S |
712 | |
713 | #ifdef CONFIG_PCI | |
714 | int ath_pci_init(void); | |
715 | void ath_pci_exit(void); | |
716 | #else | |
717 | static inline int ath_pci_init(void) { return 0; }; | |
718 | static inline void ath_pci_exit(void) {}; | |
f1dc5600 | 719 | #endif |
f1dc5600 | 720 | |
394cf0a1 S |
721 | #ifdef CONFIG_ATHEROS_AR71XX |
722 | int ath_ahb_init(void); | |
723 | void ath_ahb_exit(void); | |
724 | #else | |
725 | static inline int ath_ahb_init(void) { return 0; }; | |
726 | static inline void ath_ahb_exit(void) {}; | |
f078f209 | 727 | #endif |
394cf0a1 | 728 | |
0bc0798b GJ |
729 | void ath9k_ps_wakeup(struct ath_softc *sc); |
730 | void ath9k_ps_restore(struct ath_softc *sc); | |
8ca21f01 | 731 | |
ea066d5a MSS |
732 | u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); |
733 | ||
31a01645 | 734 | void ath9k_set_bssid_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif); |
c52f33d0 JM |
735 | int ath9k_wiphy_add(struct ath_softc *sc); |
736 | int ath9k_wiphy_del(struct ath_wiphy *aphy); | |
61117f01 | 737 | void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, int ftype); |
f0ed85c6 JM |
738 | int ath9k_wiphy_pause(struct ath_wiphy *aphy); |
739 | int ath9k_wiphy_unpause(struct ath_wiphy *aphy); | |
0e2dedf9 | 740 | int ath9k_wiphy_select(struct ath_wiphy *aphy); |
f98c3bd2 | 741 | void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int); |
0e2dedf9 | 742 | void ath9k_wiphy_chan_work(struct work_struct *work); |
9580a222 | 743 | bool ath9k_wiphy_started(struct ath_softc *sc); |
18eb62f8 JM |
744 | void ath9k_wiphy_pause_all_forced(struct ath_softc *sc, |
745 | struct ath_wiphy *selected); | |
8089cc47 | 746 | bool ath9k_wiphy_scanning(struct ath_softc *sc); |
f98c3bd2 | 747 | void ath9k_wiphy_work(struct work_struct *work); |
64839170 | 748 | bool ath9k_all_wiphys_idle(struct ath_softc *sc); |
194b7c13 | 749 | void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle); |
8ca21f01 | 750 | |
f52de03b | 751 | void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue); |
68e8f2fa | 752 | bool ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue); |
f52de03b | 753 | |
0fca65c1 S |
754 | void ath_start_rfkill_poll(struct ath_softc *sc); |
755 | extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); | |
4801416c BG |
756 | void ath9k_calculate_iter_data(struct ieee80211_hw *hw, |
757 | struct ieee80211_vif *vif, | |
758 | struct ath9k_vif_iter_data *iter_data); | |
759 | ||
0fca65c1 | 760 | |
394cf0a1 | 761 | #endif /* ATH9K_H */ |