Commit | Line | Data |
---|---|---|
f078f209 | 1 | /* |
5b68138e | 2 | * Copyright (c) 2008-2011 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> | |
a6b7a407 | 22 | #include <linux/interrupt.h> |
394cf0a1 | 23 | #include <linux/leds.h> |
9f42c2b6 | 24 | #include <linux/completion.h> |
394cf0a1 | 25 | |
394cf0a1 | 26 | #include "debug.h" |
db86f07e | 27 | #include "common.h" |
7dc181c2 | 28 | #include "mci.h" |
8e92d3f2 | 29 | #include "dfs.h" |
db86f07e LR |
30 | |
31 | /* | |
32 | * Header for the ath9k.ko driver core *only* -- hw code nor any other driver | |
33 | * should rely on this file or its contents. | |
34 | */ | |
394cf0a1 S |
35 | |
36 | struct ath_node; | |
37 | ||
38 | /* Macro to expand scalars to 64-bit objects */ | |
39 | ||
13bda122 | 40 | #define ito64(x) (sizeof(x) == 1) ? \ |
394cf0a1 | 41 | (((unsigned long long int)(x)) & (0xff)) : \ |
13bda122 | 42 | (sizeof(x) == 2) ? \ |
394cf0a1 | 43 | (((unsigned long long int)(x)) & 0xffff) : \ |
13bda122 | 44 | ((sizeof(x) == 4) ? \ |
394cf0a1 S |
45 | (((unsigned long long int)(x)) & 0xffffffff) : \ |
46 | (unsigned long long int)(x)) | |
47 | ||
48 | /* increment with wrap-around */ | |
49 | #define INCR(_l, _sz) do { \ | |
50 | (_l)++; \ | |
51 | (_l) &= ((_sz) - 1); \ | |
52 | } while (0) | |
53 | ||
54 | /* decrement with wrap-around */ | |
55 | #define DECR(_l, _sz) do { \ | |
56 | (_l)--; \ | |
57 | (_l) &= ((_sz) - 1); \ | |
58 | } while (0) | |
59 | ||
394cf0a1 S |
60 | #define TSF_TO_TU(_h,_l) \ |
61 | ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) | |
62 | ||
63 | #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) | |
64 | ||
394cf0a1 | 65 | struct ath_config { |
394cf0a1 | 66 | u16 txpowlimit; |
394cf0a1 S |
67 | }; |
68 | ||
69 | /*************************/ | |
70 | /* Descriptor Management */ | |
71 | /*************************/ | |
72 | ||
73 | #define ATH_TXBUF_RESET(_bf) do { \ | |
394cf0a1 S |
74 | (_bf)->bf_lastbf = NULL; \ |
75 | (_bf)->bf_next = NULL; \ | |
76 | memset(&((_bf)->bf_state), 0, \ | |
77 | sizeof(struct ath_buf_state)); \ | |
78 | } while (0) | |
79 | ||
80 | /** | |
81 | * enum buffer_type - Buffer type flags | |
82 | * | |
394cf0a1 S |
83 | * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) |
84 | * @BUF_AGGR: Indicates whether the buffer can be aggregated | |
85 | * (used in aggregation scheduling) | |
394cf0a1 S |
86 | */ |
87 | enum buffer_type { | |
436d0d98 MSS |
88 | BUF_AMPDU = BIT(0), |
89 | BUF_AGGR = BIT(1), | |
394cf0a1 S |
90 | }; |
91 | ||
394cf0a1 S |
92 | #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) |
93 | #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) | |
f078f209 | 94 | |
016c2177 | 95 | #define ATH_TXSTATUS_RING_SIZE 512 |
5088c2f1 | 96 | |
c3d77696 MSS |
97 | #define DS2PHYS(_dd, _ds) \ |
98 | ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc)) | |
99 | #define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0) | |
100 | #define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096) | |
101 | ||
394cf0a1 | 102 | struct ath_descdma { |
5088c2f1 | 103 | void *dd_desc; |
17d7904d S |
104 | dma_addr_t dd_desc_paddr; |
105 | u32 dd_desc_len; | |
394cf0a1 S |
106 | }; |
107 | ||
108 | int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, | |
109 | struct list_head *head, const char *name, | |
4adfcded | 110 | int nbuf, int ndesc, bool is_tx); |
394cf0a1 S |
111 | |
112 | /***********/ | |
113 | /* RX / TX */ | |
114 | /***********/ | |
115 | ||
394cf0a1 | 116 | #define ATH_RXBUF 512 |
394cf0a1 | 117 | #define ATH_TXBUF 512 |
84642d6b FF |
118 | #define ATH_TXBUF_RESERVE 5 |
119 | #define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE) | |
394cf0a1 | 120 | #define ATH_TXMAXTRY 13 |
394cf0a1 S |
121 | |
122 | #define TID_TO_WME_AC(_tid) \ | |
bea843c7 SM |
123 | ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \ |
124 | (((_tid) == 1) || ((_tid) == 2)) ? IEEE80211_AC_BK : \ | |
125 | (((_tid) == 4) || ((_tid) == 5)) ? IEEE80211_AC_VI : \ | |
126 | IEEE80211_AC_VO) | |
394cf0a1 | 127 | |
394cf0a1 S |
128 | #define ATH_AGGR_DELIM_SZ 4 |
129 | #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */ | |
130 | /* number of delimiters for encryption padding */ | |
131 | #define ATH_AGGR_ENCRYPTDELIM 10 | |
132 | /* minimum h/w qdepth to be sustained to maximize aggregation */ | |
133 | #define ATH_AGGR_MIN_QDEPTH 2 | |
2800e82b FF |
134 | /* minimum h/w qdepth for non-aggregated traffic */ |
135 | #define ATH_NON_AGGR_MIN_QDEPTH 8 | |
394cf0a1 S |
136 | |
137 | #define IEEE80211_SEQ_SEQ_SHIFT 4 | |
138 | #define IEEE80211_SEQ_MAX 4096 | |
394cf0a1 S |
139 | #define IEEE80211_WEP_IVLEN 3 |
140 | #define IEEE80211_WEP_KIDLEN 1 | |
141 | #define IEEE80211_WEP_CRCLEN 4 | |
142 | #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \ | |
143 | (IEEE80211_WEP_IVLEN + \ | |
144 | IEEE80211_WEP_KIDLEN + \ | |
145 | IEEE80211_WEP_CRCLEN)) | |
146 | ||
147 | /* return whether a bit at index _n in bitmap _bm is set | |
148 | * _sz is the size of the bitmap */ | |
149 | #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \ | |
150 | ((_bm)[(_n) >> 5] & (1 << ((_n) & 31)))) | |
151 | ||
152 | /* return block-ack bitmap index given sequence and starting sequence */ | |
153 | #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1)) | |
154 | ||
156369fa FF |
155 | /* return the seqno for _start + _offset */ |
156 | #define ATH_BA_INDEX2SEQ(_seq, _offset) (((_seq) + (_offset)) & (IEEE80211_SEQ_MAX - 1)) | |
157 | ||
394cf0a1 S |
158 | /* returns delimiter padding required given the packet length */ |
159 | #define ATH_AGGR_GET_NDELIM(_len) \ | |
39ec2997 VT |
160 | (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \ |
161 | DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ)) | |
394cf0a1 S |
162 | |
163 | #define BAW_WITHIN(_start, _bawsz, _seqno) \ | |
164 | ((((_seqno) - (_start)) & 4095) < (_bawsz)) | |
165 | ||
394cf0a1 S |
166 | #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) |
167 | ||
365d2ebc SM |
168 | #define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e)) |
169 | ||
164ace38 SB |
170 | #define ATH_TX_COMPLETE_POLL_INT 1000 |
171 | ||
e5003249 | 172 | #define ATH_TXFIFO_DEPTH 8 |
394cf0a1 | 173 | struct ath_txq { |
60f2d1d5 BG |
174 | int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ |
175 | u32 axq_qnum; /* ath9k hardware queue number */ | |
fce041be | 176 | void *axq_link; |
17d7904d | 177 | struct list_head axq_q; |
394cf0a1 | 178 | spinlock_t axq_lock; |
17d7904d | 179 | u32 axq_depth; |
4b3ba66a | 180 | u32 axq_ampdu_depth; |
17d7904d | 181 | bool stopped; |
164ace38 | 182 | bool axq_tx_inprogress; |
394cf0a1 | 183 | struct list_head axq_acq; |
e5003249 | 184 | struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; |
e5003249 VT |
185 | u8 txq_headidx; |
186 | u8 txq_tailidx; | |
066dae93 | 187 | int pending_frames; |
23de5dc9 | 188 | struct sk_buff_head complete_q; |
394cf0a1 S |
189 | }; |
190 | ||
93ef24b2 | 191 | struct ath_atx_ac { |
066dae93 | 192 | struct ath_txq *txq; |
93ef24b2 S |
193 | struct list_head list; |
194 | struct list_head tid_q; | |
5519541d | 195 | bool clear_ps_filter; |
50676b81 | 196 | bool sched; |
93ef24b2 S |
197 | }; |
198 | ||
2d42efc4 | 199 | struct ath_frame_info { |
56dc6336 | 200 | struct ath_buf *bf; |
2d42efc4 | 201 | int framelen; |
2d42efc4 | 202 | enum ath9k_key_type keytype; |
a75c0629 | 203 | u8 keyix; |
80b08a8d | 204 | u8 rtscts_rate; |
8fed1408 FF |
205 | u8 retries : 7; |
206 | u8 baw_tracked : 1; | |
2d42efc4 FF |
207 | }; |
208 | ||
1a04d59d FF |
209 | struct ath_rxbuf { |
210 | struct list_head list; | |
211 | struct sk_buff *bf_mpdu; | |
212 | void *bf_desc; | |
213 | dma_addr_t bf_daddr; | |
214 | dma_addr_t bf_buf_addr; | |
215 | }; | |
216 | ||
93ef24b2 | 217 | struct ath_buf_state { |
93ef24b2 | 218 | u8 bf_type; |
9f42c2b6 | 219 | u8 bfs_paprd; |
399c6489 | 220 | u8 ndelim; |
50676b81 | 221 | bool stale; |
6a0ddaef | 222 | u16 seqno; |
9cf04dcc | 223 | unsigned long bfs_paprd_timestamp; |
93ef24b2 S |
224 | }; |
225 | ||
226 | struct ath_buf { | |
227 | struct list_head list; | |
228 | struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or | |
229 | an aggregate) */ | |
230 | struct ath_buf *bf_next; /* next subframe in the aggregate */ | |
231 | struct sk_buff *bf_mpdu; /* enclosing frame structure */ | |
232 | void *bf_desc; /* virtual addr of desc */ | |
233 | dma_addr_t bf_daddr; /* physical addr of desc */ | |
c1739eb3 | 234 | dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */ |
79acac07 | 235 | struct ieee80211_tx_rate rates[4]; |
93ef24b2 | 236 | struct ath_buf_state bf_state; |
93ef24b2 S |
237 | }; |
238 | ||
239 | struct ath_atx_tid { | |
240 | struct list_head list; | |
56dc6336 | 241 | struct sk_buff_head buf_q; |
bb195ff6 | 242 | struct sk_buff_head retry_q; |
93ef24b2 S |
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; | |
50676b81 | 249 | u8 tidno; |
93ef24b2 S |
250 | int baw_head; /* first un-acked tx buffer */ |
251 | int baw_tail; /* next unused tx buffer slot */ | |
50676b81 FF |
252 | |
253 | s8 bar_index; | |
08c96abd FF |
254 | bool sched; |
255 | bool paused; | |
256 | bool active; | |
93ef24b2 S |
257 | }; |
258 | ||
259 | struct ath_node { | |
a145daf7 | 260 | struct ath_softc *sc; |
7f010c93 | 261 | struct ieee80211_sta *sta; /* station struct we're part of */ |
7e1e3864 | 262 | struct ieee80211_vif *vif; /* interface with which we're associated */ |
de7b7604 | 263 | struct ath_atx_tid tid[IEEE80211_NUM_TIDS]; |
bea843c7 | 264 | struct ath_atx_ac ac[IEEE80211_NUM_ACS]; |
93ae2dd2 | 265 | |
93ef24b2 S |
266 | u16 maxampdu; |
267 | u8 mpdudensity; | |
50676b81 | 268 | s8 ps_key; |
5519541d FF |
269 | |
270 | bool sleeping; | |
f89d1bc4 | 271 | bool no_ps_filter; |
93ef24b2 S |
272 | }; |
273 | ||
394cf0a1 S |
274 | struct ath_tx_control { |
275 | struct ath_txq *txq; | |
2d42efc4 | 276 | struct ath_node *an; |
9f42c2b6 | 277 | u8 paprd; |
36323f81 | 278 | struct ieee80211_sta *sta; |
394cf0a1 S |
279 | }; |
280 | ||
394cf0a1 | 281 | #define ATH_TX_ERROR 0x01 |
394cf0a1 | 282 | |
60f2d1d5 BG |
283 | /** |
284 | * @txq_map: Index is mac80211 queue number. This is | |
285 | * not necessarily the same as the hardware queue number | |
286 | * (axq_qnum). | |
287 | */ | |
394cf0a1 S |
288 | struct ath_tx { |
289 | u16 seq_no; | |
290 | u32 txqsetup; | |
394cf0a1 S |
291 | spinlock_t txbuflock; |
292 | struct list_head txbuf; | |
293 | struct ath_txq txq[ATH9K_NUM_TX_QUEUES]; | |
294 | struct ath_descdma txdma; | |
bea843c7 | 295 | struct ath_txq *txq_map[IEEE80211_NUM_ACS]; |
f2c7a793 | 296 | struct ath_txq *uapsdq; |
bea843c7 SM |
297 | u32 txq_max_pending[IEEE80211_NUM_ACS]; |
298 | u16 max_aggr_framelen[IEEE80211_NUM_ACS][4][32]; | |
394cf0a1 S |
299 | }; |
300 | ||
b5c80475 FF |
301 | struct ath_rx_edma { |
302 | struct sk_buff_head rx_fifo; | |
b5c80475 FF |
303 | u32 rx_fifo_hwsize; |
304 | }; | |
305 | ||
394cf0a1 S |
306 | struct ath_rx { |
307 | u8 defant; | |
308 | u8 rxotherant; | |
723e7113 | 309 | bool discard_next; |
394cf0a1 | 310 | u32 *rxlink; |
6995fb80 | 311 | u32 num_pkts; |
394cf0a1 | 312 | unsigned int rxfilter; |
394cf0a1 S |
313 | struct list_head rxbuf; |
314 | struct ath_descdma rxdma; | |
b5c80475 | 315 | struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; |
0d95521e | 316 | |
1a04d59d | 317 | struct ath_rxbuf *buf_hold; |
0d95521e | 318 | struct sk_buff *frag; |
21fbbca3 CL |
319 | |
320 | u32 ampdu_ref; | |
394cf0a1 S |
321 | }; |
322 | ||
323 | int ath_startrecv(struct ath_softc *sc); | |
324 | bool ath_stoprecv(struct ath_softc *sc); | |
394cf0a1 S |
325 | u32 ath_calcrxfilter(struct ath_softc *sc); |
326 | int ath_rx_init(struct ath_softc *sc, int nbufs); | |
327 | void ath_rx_cleanup(struct ath_softc *sc); | |
b5c80475 | 328 | int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp); |
394cf0a1 | 329 | struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); |
ef1b6cd9 SM |
330 | void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq); |
331 | void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq); | |
332 | void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq); | |
394cf0a1 | 333 | void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); |
1381559b FF |
334 | bool ath_drain_all_txq(struct ath_softc *sc); |
335 | void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq); | |
394cf0a1 S |
336 | void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); |
337 | void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); | |
338 | void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); | |
339 | int ath_tx_init(struct ath_softc *sc, int nbufs); | |
394cf0a1 S |
340 | int ath_txq_update(struct ath_softc *sc, int qnum, |
341 | struct ath9k_tx_queue_info *q); | |
aa5955c3 | 342 | void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop); |
c52f33d0 | 343 | int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, |
394cf0a1 | 344 | struct ath_tx_control *txctl); |
59505c02 FF |
345 | void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
346 | struct sk_buff *skb); | |
394cf0a1 | 347 | void ath_tx_tasklet(struct ath_softc *sc); |
e5003249 | 348 | void ath_tx_edma_tasklet(struct ath_softc *sc); |
231c3a1f FF |
349 | int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, |
350 | u16 tid, u16 *ssn); | |
f83da965 | 351 | void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); |
394cf0a1 S |
352 | void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); |
353 | ||
5519541d | 354 | void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an); |
042ec453 JB |
355 | void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, |
356 | struct ath_node *an); | |
86a22acf FF |
357 | void ath9k_release_buffered_frames(struct ieee80211_hw *hw, |
358 | struct ieee80211_sta *sta, | |
359 | u16 tids, int nframes, | |
360 | enum ieee80211_frame_release_type reason, | |
361 | bool more_data); | |
5519541d | 362 | |
394cf0a1 | 363 | /********/ |
17d7904d | 364 | /* VIFs */ |
394cf0a1 | 365 | /********/ |
f078f209 | 366 | |
17d7904d | 367 | struct ath_vif { |
f89d1bc4 | 368 | struct ath_node mcast_node; |
394cf0a1 | 369 | int av_bslot; |
aa45fe96 | 370 | bool primary_sta_vif; |
4ed96f04 | 371 | __le64 tsf_adjust; /* TSF adjustment for staggered beacons */ |
394cf0a1 | 372 | struct ath_buf *av_bcbuf; |
f078f209 LR |
373 | }; |
374 | ||
394cf0a1 S |
375 | /*******************/ |
376 | /* Beacon Handling */ | |
377 | /*******************/ | |
f078f209 | 378 | |
394cf0a1 S |
379 | /* |
380 | * Regardless of the number of beacons we stagger, (i.e. regardless of the | |
381 | * number of BSSIDs) if a given beacon does not go out even after waiting this | |
382 | * number of beacon intervals, the game's up. | |
383 | */ | |
c944daf4 | 384 | #define BSTUCK_THRESH 9 |
689e756f | 385 | #define ATH_BCBUF 8 |
394cf0a1 S |
386 | #define ATH_DEFAULT_BINTVAL 100 /* TU */ |
387 | #define ATH_DEFAULT_BMISS_LIMIT 10 | |
388 | #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) | |
389 | ||
390 | struct ath_beacon_config { | |
9814f6b3 | 391 | int beacon_interval; |
394cf0a1 S |
392 | u16 listen_interval; |
393 | u16 dtim_period; | |
394 | u16 bmiss_timeout; | |
395 | u8 dtim_count; | |
ef4ad633 | 396 | bool enable_beacon; |
1a6404a1 | 397 | bool ibss_creator; |
394cf0a1 S |
398 | }; |
399 | ||
400 | struct ath_beacon { | |
401 | enum { | |
402 | OK, /* no change needed */ | |
403 | UPDATE, /* update pending */ | |
404 | COMMIT /* beacon sent, commit change */ | |
405 | } updateslot; /* slot time update fsm */ | |
406 | ||
407 | u32 beaconq; | |
408 | u32 bmisscnt; | |
dd347f2f | 409 | u32 bc_tstamp; |
2c3db3d5 | 410 | struct ieee80211_vif *bslot[ATH_BCBUF]; |
394cf0a1 S |
411 | int slottime; |
412 | int slotupdate; | |
413 | struct ath9k_tx_queue_info beacon_qi; | |
414 | struct ath_descdma bdma; | |
415 | struct ath_txq *cabq; | |
416 | struct list_head bbuf; | |
ba4903f9 FF |
417 | |
418 | bool tx_processed; | |
419 | bool tx_last; | |
394cf0a1 S |
420 | }; |
421 | ||
fb6e252f | 422 | void ath9k_beacon_tasklet(unsigned long data); |
ef4ad633 SM |
423 | bool ath9k_allow_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif); |
424 | void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif, | |
425 | u32 changed); | |
130ef6e9 SM |
426 | void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif); |
427 | void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif); | |
2f8e82e8 | 428 | void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif); |
ef4ad633 | 429 | void ath9k_set_beacon(struct ath_softc *sc); |
d074e8d5 | 430 | bool ath9k_csa_is_finished(struct ath_softc *sc); |
394cf0a1 | 431 | |
ef1b6cd9 SM |
432 | /*******************/ |
433 | /* Link Monitoring */ | |
434 | /*******************/ | |
f078f209 | 435 | |
20977d3e S |
436 | #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ |
437 | #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */ | |
e36b27af LR |
438 | #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */ |
439 | #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */ | |
6044474e | 440 | #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */ |
20977d3e S |
441 | #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ |
442 | #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ | |
424749c7 | 443 | #define ATH_ANI_MAX_SKIP_COUNT 10 |
f078f209 | 444 | |
ca369eb4 | 445 | #define ATH_PAPRD_TIMEOUT 100 /* msecs */ |
af68abad | 446 | #define ATH_PLL_WORK_INTERVAL 100 |
ca369eb4 | 447 | |
ef1b6cd9 | 448 | void ath_tx_complete_poll_work(struct work_struct *work); |
236de514 | 449 | void ath_reset_work(struct work_struct *work); |
347809fc | 450 | void ath_hw_check(struct work_struct *work); |
9eab61c2 | 451 | void ath_hw_pll_work(struct work_struct *work); |
01e18918 RM |
452 | void ath_rx_poll(unsigned long data); |
453 | void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon); | |
9f42c2b6 | 454 | void ath_paprd_calibrate(struct work_struct *work); |
55624204 | 455 | void ath_ani_calibrate(unsigned long data); |
da0d45f7 SM |
456 | void ath_start_ani(struct ath_softc *sc); |
457 | void ath_stop_ani(struct ath_softc *sc); | |
458 | void ath_check_ani(struct ath_softc *sc); | |
ef1b6cd9 SM |
459 | int ath_update_survey_stats(struct ath_softc *sc); |
460 | void ath_update_survey_nf(struct ath_softc *sc, int channel); | |
124b979b | 461 | void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type); |
bf3dac5a | 462 | void ath_ps_full_sleep(unsigned long data); |
55624204 | 463 | |
0fca65c1 S |
464 | /**********/ |
465 | /* BTCOEX */ | |
466 | /**********/ | |
467 | ||
ac46ba43 SM |
468 | #define ATH_DUMP_BTCOEX(_s, _val) \ |
469 | do { \ | |
5e88ba62 ZK |
470 | len += scnprintf(buf + len, size - len, \ |
471 | "%20s : %10d\n", _s, (_val)); \ | |
ac46ba43 SM |
472 | } while (0) |
473 | ||
e6930c4b SM |
474 | enum bt_op_flags { |
475 | BT_OP_PRIORITY_DETECTED, | |
476 | BT_OP_SCAN, | |
477 | }; | |
478 | ||
2e20250a | 479 | struct ath_btcoex { |
2e20250a LR |
480 | spinlock_t btcoex_lock; |
481 | struct timer_list period_timer; /* Timer for BT period */ | |
168c6f89 | 482 | struct timer_list no_stomp_timer; |
2e20250a LR |
483 | u32 bt_priority_cnt; |
484 | unsigned long bt_priority_time; | |
e6930c4b | 485 | unsigned long op_flags; |
e08a6ace | 486 | int bt_stomp_type; /* Types of BT stomping */ |
168c6f89 | 487 | u32 btcoex_no_stomp; /* in msec */ |
94ae77ea | 488 | u32 btcoex_period; /* in msec */ |
168c6f89 | 489 | u32 btscan_no_stomp; /* in msec */ |
7dc181c2 | 490 | u32 duty_cycle; |
6995fb80 | 491 | u32 bt_wait_time; |
e82cb03f | 492 | int rssi_count; |
7dc181c2 | 493 | struct ath_mci_profile mci; |
2884561a | 494 | u8 stomp_audio; |
2e20250a LR |
495 | }; |
496 | ||
4daa7760 | 497 | #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT |
5908120f SM |
498 | int ath9k_init_btcoex(struct ath_softc *sc); |
499 | void ath9k_deinit_btcoex(struct ath_softc *sc); | |
df198b17 SM |
500 | void ath9k_start_btcoex(struct ath_softc *sc); |
501 | void ath9k_stop_btcoex(struct ath_softc *sc); | |
0fca65c1 S |
502 | void ath9k_btcoex_timer_resume(struct ath_softc *sc); |
503 | void ath9k_btcoex_timer_pause(struct ath_softc *sc); | |
56ca0dba | 504 | void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status); |
c0ac53fa | 505 | u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen); |
08d4df41 | 506 | void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc); |
ac46ba43 | 507 | int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size); |
4daa7760 SM |
508 | #else |
509 | static inline int ath9k_init_btcoex(struct ath_softc *sc) | |
510 | { | |
511 | return 0; | |
512 | } | |
513 | static inline void ath9k_deinit_btcoex(struct ath_softc *sc) | |
514 | { | |
515 | } | |
516 | static inline void ath9k_start_btcoex(struct ath_softc *sc) | |
517 | { | |
518 | } | |
519 | static inline void ath9k_stop_btcoex(struct ath_softc *sc) | |
520 | { | |
521 | } | |
522 | static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, | |
523 | u32 status) | |
524 | { | |
525 | } | |
526 | static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, | |
527 | u32 max_4ms_framelen) | |
528 | { | |
529 | return 0; | |
530 | } | |
08d4df41 RM |
531 | static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) |
532 | { | |
533 | } | |
ac46ba43 | 534 | static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size) |
4df50ca8 RM |
535 | { |
536 | return 0; | |
537 | } | |
4daa7760 | 538 | #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ |
0fca65c1 | 539 | |
01c78533 MSS |
540 | struct ath9k_wow_pattern { |
541 | u8 pattern_bytes[MAX_PATTERN_SIZE]; | |
542 | u8 mask_bytes[MAX_PATTERN_SIZE]; | |
543 | u32 pattern_len; | |
544 | }; | |
545 | ||
394cf0a1 S |
546 | /********************/ |
547 | /* LED Control */ | |
548 | /********************/ | |
f078f209 | 549 | |
08fc5c1b VN |
550 | #define ATH_LED_PIN_DEF 1 |
551 | #define ATH_LED_PIN_9287 8 | |
353e5019 | 552 | #define ATH_LED_PIN_9300 10 |
15178535 | 553 | #define ATH_LED_PIN_9485 6 |
1a68abb0 | 554 | #define ATH_LED_PIN_9462 4 |
f078f209 | 555 | |
0cf55c21 | 556 | #ifdef CONFIG_MAC80211_LEDS |
0fca65c1 S |
557 | void ath_init_leds(struct ath_softc *sc); |
558 | void ath_deinit_leds(struct ath_softc *sc); | |
8f176a3a | 559 | void ath_fill_led_pin(struct ath_softc *sc); |
0cf55c21 FF |
560 | #else |
561 | static inline void ath_init_leds(struct ath_softc *sc) | |
562 | { | |
563 | } | |
564 | ||
565 | static inline void ath_deinit_leds(struct ath_softc *sc) | |
8f176a3a RM |
566 | { |
567 | } | |
568 | static inline void ath_fill_led_pin(struct ath_softc *sc) | |
0cf55c21 FF |
569 | { |
570 | } | |
571 | #endif | |
572 | ||
e60001e7 SM |
573 | /************************/ |
574 | /* Wake on Wireless LAN */ | |
575 | /************************/ | |
576 | ||
577 | #ifdef CONFIG_ATH9K_WOW | |
babaa80a | 578 | void ath9k_init_wow(struct ieee80211_hw *hw); |
e60001e7 SM |
579 | int ath9k_suspend(struct ieee80211_hw *hw, |
580 | struct cfg80211_wowlan *wowlan); | |
581 | int ath9k_resume(struct ieee80211_hw *hw); | |
582 | void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled); | |
583 | #else | |
babaa80a SM |
584 | static inline void ath9k_init_wow(struct ieee80211_hw *hw) |
585 | { | |
586 | } | |
e60001e7 SM |
587 | static inline int ath9k_suspend(struct ieee80211_hw *hw, |
588 | struct cfg80211_wowlan *wowlan) | |
589 | { | |
590 | return 0; | |
591 | } | |
592 | static inline int ath9k_resume(struct ieee80211_hw *hw) | |
593 | { | |
594 | return 0; | |
595 | } | |
596 | static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled) | |
597 | { | |
598 | } | |
599 | #endif /* CONFIG_ATH9K_WOW */ | |
600 | ||
8da07830 | 601 | /*******************************/ |
102885a5 | 602 | /* Antenna diversity/combining */ |
8da07830 SM |
603 | /*******************************/ |
604 | ||
102885a5 VT |
605 | #define ATH_ANT_RX_CURRENT_SHIFT 4 |
606 | #define ATH_ANT_RX_MAIN_SHIFT 2 | |
607 | #define ATH_ANT_RX_MASK 0x3 | |
608 | ||
609 | #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50 | |
610 | #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100 | |
611 | #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200 | |
612 | #define ATH_ANT_DIV_COMB_INIT_COUNT 95 | |
613 | #define ATH_ANT_DIV_COMB_MAX_COUNT 100 | |
614 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30 | |
615 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20 | |
3afa6b4f SM |
616 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50 |
617 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50 | |
102885a5 | 618 | |
102885a5 VT |
619 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4 |
620 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2 | |
621 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2 | |
622 | ||
102885a5 VT |
623 | struct ath_ant_comb { |
624 | u16 count; | |
625 | u16 total_pkt_count; | |
626 | bool scan; | |
627 | bool scan_not_start; | |
628 | int main_total_rssi; | |
629 | int alt_total_rssi; | |
630 | int alt_recv_cnt; | |
631 | int main_recv_cnt; | |
632 | int rssi_lna1; | |
633 | int rssi_lna2; | |
634 | int rssi_add; | |
635 | int rssi_sub; | |
636 | int rssi_first; | |
637 | int rssi_second; | |
638 | int rssi_third; | |
3afa6b4f SM |
639 | int ant_ratio; |
640 | int ant_ratio2; | |
102885a5 VT |
641 | bool alt_good; |
642 | int quick_scan_cnt; | |
3fbaf4c5 | 643 | enum ath9k_ant_div_comb_lna_conf main_conf; |
102885a5 VT |
644 | enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf; |
645 | enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf; | |
102885a5 VT |
646 | bool first_ratio; |
647 | bool second_ratio; | |
648 | unsigned long scan_start_time; | |
3afa6b4f SM |
649 | |
650 | /* | |
651 | * Card-specific config values. | |
652 | */ | |
653 | int low_rssi_thresh; | |
654 | int fast_div_bias; | |
102885a5 VT |
655 | }; |
656 | ||
8da07830 | 657 | void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs); |
8da07830 | 658 | |
394cf0a1 S |
659 | /********************/ |
660 | /* Main driver core */ | |
661 | /********************/ | |
f078f209 | 662 | |
2d22c7dd SM |
663 | #define ATH9K_PCI_CUS198 0x0001 |
664 | #define ATH9K_PCI_CUS230 0x0002 | |
665 | #define ATH9K_PCI_CUS217 0x0004 | |
666 | #define ATH9K_PCI_CUS252 0x0008 | |
667 | #define ATH9K_PCI_WOW 0x0010 | |
668 | #define ATH9K_PCI_BT_ANT_DIV 0x0020 | |
669 | #define ATH9K_PCI_D3_L1_WAR 0x0040 | |
670 | #define ATH9K_PCI_AR9565_1ANT 0x0080 | |
671 | #define ATH9K_PCI_AR9565_2ANT 0x0100 | |
672 | #define ATH9K_PCI_NO_PLL_PWRSAVE 0x0200 | |
4dd35640 | 673 | #define ATH9K_PCI_KILLER 0x0400 |
9b60b64b | 674 | |
394cf0a1 S |
675 | /* |
676 | * Default cache line size, in bytes. | |
677 | * Used when PCI device not fully initialized by bootrom/BIOS | |
678 | */ | |
679 | #define DEFAULT_CACHELINE 32 | |
394cf0a1 S |
680 | #define ATH_REGCLASSIDS_MAX 10 |
681 | #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ | |
da647626 | 682 | #define ATH_MAX_SW_RETRIES 30 |
394cf0a1 | 683 | #define ATH_CHAN_MAX 255 |
f1dc5600 | 684 | |
394cf0a1 | 685 | #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ |
394cf0a1 S |
686 | #define ATH_RATE_DUMMY_MARKER 0 |
687 | ||
781b14a3 SM |
688 | enum sc_op_flags { |
689 | SC_OP_INVALID, | |
690 | SC_OP_BEACONS, | |
781b14a3 SM |
691 | SC_OP_ANI_RUN, |
692 | SC_OP_PRIM_STA_VIF, | |
b74713d0 | 693 | SC_OP_HW_RESET, |
73900cb0 | 694 | SC_OP_SCANNING, |
781b14a3 | 695 | }; |
1b04b930 S |
696 | |
697 | /* Powersave flags */ | |
698 | #define PS_WAIT_FOR_BEACON BIT(0) | |
699 | #define PS_WAIT_FOR_CAB BIT(1) | |
700 | #define PS_WAIT_FOR_PSPOLL_DATA BIT(2) | |
701 | #define PS_WAIT_FOR_TX_ACK BIT(3) | |
702 | #define PS_BEACON_SYNC BIT(4) | |
424749c7 | 703 | #define PS_WAIT_FOR_ANI BIT(5) |
394cf0a1 | 704 | |
545750d3 | 705 | struct ath_rate_table; |
bce048d7 | 706 | |
4801416c | 707 | struct ath9k_vif_iter_data { |
ab11bb28 | 708 | u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */ |
4801416c | 709 | u8 mask[ETH_ALEN]; /* bssid mask */ |
ab11bb28 FF |
710 | bool has_hw_macaddr; |
711 | ||
4801416c BG |
712 | int naps; /* number of AP vifs */ |
713 | int nmeshes; /* number of mesh vifs */ | |
714 | int nstations; /* number of station vifs */ | |
e707549a | 715 | int nwds; /* number of WDS vifs */ |
4801416c | 716 | int nadhocs; /* number of adhoc vifs */ |
4801416c BG |
717 | }; |
718 | ||
e93d083f SW |
719 | /* enum spectral_mode: |
720 | * | |
721 | * @SPECTRAL_DISABLED: spectral mode is disabled | |
722 | * @SPECTRAL_BACKGROUND: hardware sends samples when it is not busy with | |
723 | * something else. | |
724 | * @SPECTRAL_MANUAL: spectral scan is enabled, triggering for samples | |
725 | * is performed manually. | |
726 | * @SPECTRAL_CHANSCAN: Like manual, but also triggered when changing channels | |
727 | * during a channel scan. | |
728 | */ | |
729 | enum spectral_mode { | |
730 | SPECTRAL_DISABLED = 0, | |
731 | SPECTRAL_BACKGROUND, | |
732 | SPECTRAL_MANUAL, | |
733 | SPECTRAL_CHANSCAN, | |
734 | }; | |
735 | ||
394cf0a1 S |
736 | struct ath_softc { |
737 | struct ieee80211_hw *hw; | |
738 | struct device *dev; | |
c52f33d0 | 739 | |
3430098a FF |
740 | struct survey_info *cur_survey; |
741 | struct survey_info survey[ATH9K_NUM_CHANNELS]; | |
0e2dedf9 | 742 | |
394cf0a1 S |
743 | struct tasklet_struct intr_tq; |
744 | struct tasklet_struct bcon_tasklet; | |
cbe61d8a | 745 | struct ath_hw *sc_ah; |
394cf0a1 S |
746 | void __iomem *mem; |
747 | int irq; | |
2d6a5e95 | 748 | spinlock_t sc_serial_rw; |
04717ccd | 749 | spinlock_t sc_pm_lock; |
4bdd1e97 | 750 | spinlock_t sc_pcu_lock; |
394cf0a1 | 751 | struct mutex mutex; |
9f42c2b6 | 752 | struct work_struct paprd_work; |
347809fc | 753 | struct work_struct hw_check_work; |
236de514 | 754 | struct work_struct hw_reset_work; |
9f42c2b6 | 755 | struct completion paprd_complete; |
10e23181 | 756 | wait_queue_head_t tx_wait; |
394cf0a1 | 757 | |
cb8d61de | 758 | unsigned int hw_busy_count; |
781b14a3 | 759 | unsigned long sc_flags; |
9b60b64b | 760 | unsigned long driver_data; |
cb8d61de | 761 | |
17d7904d | 762 | u32 intrstatus; |
1b04b930 | 763 | u16 ps_flags; /* PS_* */ |
17d7904d | 764 | u16 curtxpow; |
96148326 | 765 | bool ps_enabled; |
1dbfd9d4 | 766 | bool ps_idle; |
4801416c BG |
767 | short nbcnvifs; |
768 | short nvifs; | |
709ade9e | 769 | unsigned long ps_usecount; |
394cf0a1 | 770 | |
17d7904d | 771 | struct ath_config config; |
394cf0a1 S |
772 | struct ath_rx rx; |
773 | struct ath_tx tx; | |
774 | struct ath_beacon beacon; | |
394cf0a1 S |
775 | struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; |
776 | ||
0cf55c21 FF |
777 | #ifdef CONFIG_MAC80211_LEDS |
778 | bool led_registered; | |
779 | char led_name[32]; | |
780 | struct led_classdev led_cdev; | |
781 | #endif | |
394cf0a1 | 782 | |
9ac58615 FF |
783 | struct ath9k_hw_cal_data caldata; |
784 | int last_rssi; | |
785 | ||
a830df07 | 786 | #ifdef CONFIG_ATH9K_DEBUGFS |
17d7904d | 787 | struct ath9k_debug debug; |
394cf0a1 | 788 | #endif |
6b96f93e | 789 | struct ath_beacon_config cur_beacon_conf; |
164ace38 | 790 | struct delayed_work tx_complete_work; |
181fb18d | 791 | struct delayed_work hw_pll_work; |
01e18918 | 792 | struct timer_list rx_poll_timer; |
bf3dac5a | 793 | struct timer_list sleep_timer; |
4daa7760 SM |
794 | |
795 | #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT | |
2e20250a | 796 | struct ath_btcoex btcoex; |
9e25365f | 797 | struct ath_mci_coex mci_coex; |
3c7992e3 | 798 | struct work_struct mci_work; |
4daa7760 | 799 | #endif |
5088c2f1 VT |
800 | |
801 | struct ath_descdma txsdma; | |
d074e8d5 | 802 | struct ieee80211_vif *csa_vif; |
102885a5 VT |
803 | |
804 | struct ath_ant_comb ant_comb; | |
43c35284 | 805 | u8 ant_tx, ant_rx; |
8e92d3f2 | 806 | struct dfs_pattern_detector *dfs_detector; |
b11e640a | 807 | u32 wow_enabled; |
e93d083f SW |
808 | /* relay(fs) channel for spectral scan */ |
809 | struct rchan *rfs_chan_spec_scan; | |
810 | enum spectral_mode spectral_mode; | |
04ccd4a1 | 811 | struct ath_spec_scan spec_config; |
01c78533 | 812 | |
89f927af LR |
813 | struct ieee80211_vif *tx99_vif; |
814 | struct sk_buff *tx99_skb; | |
815 | bool tx99_state; | |
816 | s16 tx99_power; | |
817 | ||
e60001e7 | 818 | #ifdef CONFIG_ATH9K_WOW |
01c78533 MSS |
819 | atomic_t wow_got_bmiss_intr; |
820 | atomic_t wow_sleep_proc_intr; /* in the middle of WoW sleep ? */ | |
821 | u32 wow_intr_before_sleep; | |
822 | #endif | |
394cf0a1 S |
823 | }; |
824 | ||
e93d083f SW |
825 | #define SPECTRAL_SCAN_BITMASK 0x10 |
826 | /* Radar info packet format, used for DFS and spectral formats. */ | |
827 | struct ath_radar_info { | |
828 | u8 pulse_length_pri; | |
829 | u8 pulse_length_ext; | |
830 | u8 pulse_bw_info; | |
831 | } __packed; | |
832 | ||
833 | /* The HT20 spectral data has 4 bytes of additional information at it's end. | |
834 | * | |
835 | * [7:0]: all bins {max_magnitude[1:0], bitmap_weight[5:0]} | |
836 | * [7:0]: all bins max_magnitude[9:2] | |
837 | * [7:0]: all bins {max_index[5:0], max_magnitude[11:10]} | |
838 | * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned) | |
839 | */ | |
840 | struct ath_ht20_mag_info { | |
841 | u8 all_bins[3]; | |
842 | u8 max_exp; | |
843 | } __packed; | |
844 | ||
845 | #define SPECTRAL_HT20_NUM_BINS 56 | |
846 | ||
847 | /* WARNING: don't actually use this struct! MAC may vary the amount of | |
848 | * data by -1/+2. This struct is for reference only. | |
849 | */ | |
850 | struct ath_ht20_fft_packet { | |
851 | u8 data[SPECTRAL_HT20_NUM_BINS]; | |
852 | struct ath_ht20_mag_info mag_info; | |
853 | struct ath_radar_info radar_info; | |
854 | } __packed; | |
855 | ||
856 | #define SPECTRAL_HT20_TOTAL_DATA_LEN (sizeof(struct ath_ht20_fft_packet)) | |
857 | ||
858 | /* Dynamic 20/40 mode: | |
859 | * | |
860 | * [7:0]: lower bins {max_magnitude[1:0], bitmap_weight[5:0]} | |
861 | * [7:0]: lower bins max_magnitude[9:2] | |
862 | * [7:0]: lower bins {max_index[5:0], max_magnitude[11:10]} | |
863 | * [7:0]: upper bins {max_magnitude[1:0], bitmap_weight[5:0]} | |
864 | * [7:0]: upper bins max_magnitude[9:2] | |
865 | * [7:0]: upper bins {max_index[5:0], max_magnitude[11:10]} | |
866 | * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned) | |
867 | */ | |
868 | struct ath_ht20_40_mag_info { | |
869 | u8 lower_bins[3]; | |
870 | u8 upper_bins[3]; | |
871 | u8 max_exp; | |
872 | } __packed; | |
873 | ||
874 | #define SPECTRAL_HT20_40_NUM_BINS 128 | |
875 | ||
876 | /* WARNING: don't actually use this struct! MAC may vary the amount of | |
877 | * data. This struct is for reference only. | |
878 | */ | |
879 | struct ath_ht20_40_fft_packet { | |
880 | u8 data[SPECTRAL_HT20_40_NUM_BINS]; | |
881 | struct ath_ht20_40_mag_info mag_info; | |
882 | struct ath_radar_info radar_info; | |
883 | } __packed; | |
884 | ||
885 | ||
886 | #define SPECTRAL_HT20_40_TOTAL_DATA_LEN (sizeof(struct ath_ht20_40_fft_packet)) | |
887 | ||
888 | /* grabs the max magnitude from the all/upper/lower bins */ | |
889 | static inline u16 spectral_max_magnitude(u8 *bins) | |
890 | { | |
891 | return (bins[0] & 0xc0) >> 6 | | |
892 | (bins[1] & 0xff) << 2 | | |
893 | (bins[2] & 0x03) << 10; | |
894 | } | |
895 | ||
896 | /* return the max magnitude from the all/upper/lower bins */ | |
897 | static inline u8 spectral_max_index(u8 *bins) | |
898 | { | |
899 | s8 m = (bins[2] & 0xfc) >> 2; | |
900 | ||
901 | /* TODO: this still doesn't always report the right values ... */ | |
902 | if (m > 32) | |
903 | m |= 0xe0; | |
904 | else | |
905 | m &= ~0xe0; | |
906 | ||
907 | return m + 29; | |
908 | } | |
909 | ||
910 | /* return the bitmap weight from the all/upper/lower bins */ | |
911 | static inline u8 spectral_bitmap_weight(u8 *bins) | |
912 | { | |
913 | return bins[0] & 0x3f; | |
914 | } | |
915 | ||
916 | /* FFT sample format given to userspace via debugfs. | |
917 | * | |
918 | * Please keep the type/length at the front position and change | |
919 | * other fields after adding another sample type | |
920 | * | |
921 | * TODO: this might need rework when switching to nl80211-based | |
922 | * interface. | |
923 | */ | |
924 | enum ath_fft_sample_type { | |
4ab0b0aa | 925 | ATH_FFT_SAMPLE_HT20 = 1, |
e07f01e4 | 926 | ATH_FFT_SAMPLE_HT20_40, |
e93d083f SW |
927 | }; |
928 | ||
929 | struct fft_sample_tlv { | |
930 | u8 type; /* see ath_fft_sample */ | |
12824374 | 931 | __be16 length; |
e93d083f SW |
932 | /* type dependent data follows */ |
933 | } __packed; | |
934 | ||
935 | struct fft_sample_ht20 { | |
936 | struct fft_sample_tlv tlv; | |
937 | ||
4ab0b0aa | 938 | u8 max_exp; |
e93d083f | 939 | |
12824374 | 940 | __be16 freq; |
e93d083f SW |
941 | s8 rssi; |
942 | s8 noise; | |
943 | ||
12824374 | 944 | __be16 max_magnitude; |
e93d083f SW |
945 | u8 max_index; |
946 | u8 bitmap_weight; | |
947 | ||
12824374 | 948 | __be64 tsf; |
e93d083f | 949 | |
4ab0b0aa | 950 | u8 data[SPECTRAL_HT20_NUM_BINS]; |
e93d083f SW |
951 | } __packed; |
952 | ||
e07f01e4 LB |
953 | struct fft_sample_ht20_40 { |
954 | struct fft_sample_tlv tlv; | |
955 | ||
956 | u8 channel_type; | |
957 | __be16 freq; | |
958 | ||
959 | s8 lower_rssi; | |
960 | s8 upper_rssi; | |
961 | ||
962 | __be64 tsf; | |
963 | ||
964 | s8 lower_noise; | |
965 | s8 upper_noise; | |
966 | ||
967 | __be16 lower_max_magnitude; | |
968 | __be16 upper_max_magnitude; | |
969 | ||
970 | u8 lower_max_index; | |
971 | u8 upper_max_index; | |
972 | ||
973 | u8 lower_bitmap_weight; | |
974 | u8 upper_bitmap_weight; | |
975 | ||
976 | u8 max_exp; | |
977 | ||
978 | u8 data[SPECTRAL_HT20_40_NUM_BINS]; | |
979 | } __packed; | |
980 | ||
ef6b19e4 SM |
981 | /********/ |
982 | /* TX99 */ | |
983 | /********/ | |
984 | ||
985 | #ifdef CONFIG_ATH9K_TX99 | |
986 | void ath9k_tx99_init_debug(struct ath_softc *sc); | |
89f927af LR |
987 | int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb, |
988 | struct ath_tx_control *txctl); | |
ef6b19e4 SM |
989 | #else |
990 | static inline void ath9k_tx99_init_debug(struct ath_softc *sc) | |
991 | { | |
992 | } | |
993 | static inline int ath9k_tx99_send(struct ath_softc *sc, | |
994 | struct sk_buff *skb, | |
995 | struct ath_tx_control *txctl) | |
996 | { | |
997 | return 0; | |
998 | } | |
999 | #endif /* CONFIG_ATH9K_TX99 */ | |
89f927af | 1000 | |
55624204 | 1001 | void ath9k_tasklet(unsigned long data); |
394cf0a1 S |
1002 | int ath_cabq_update(struct ath_softc *); |
1003 | ||
5bb12791 | 1004 | static inline void ath_read_cachesize(struct ath_common *common, int *csz) |
394cf0a1 | 1005 | { |
5bb12791 | 1006 | common->bus_ops->read_cachesize(common, csz); |
394cf0a1 S |
1007 | } |
1008 | ||
394cf0a1 | 1009 | extern struct ieee80211_ops ath9k_ops; |
3e6109c5 | 1010 | extern int ath9k_modparam_nohwcrypt; |
9a75c2ff | 1011 | extern int led_blink; |
d584747b | 1012 | extern bool is_ath9k_unloaded; |
394cf0a1 | 1013 | |
313eb87f | 1014 | u8 ath9k_parse_mpdudensity(u8 mpdudensity); |
394cf0a1 | 1015 | irqreturn_t ath_isr(int irq, void *dev); |
ef6b19e4 | 1016 | int ath_reset(struct ath_softc *sc); |
e60001e7 SM |
1017 | void ath_cancel_work(struct ath_softc *sc); |
1018 | void ath_restart_work(struct ath_softc *sc); | |
eb93e891 | 1019 | int ath9k_init_device(u16 devid, struct ath_softc *sc, |
5bb12791 | 1020 | const struct ath_bus_ops *bus_ops); |
285f2dda | 1021 | void ath9k_deinit_device(struct ath_softc *sc); |
285f2dda | 1022 | void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw); |
43c35284 | 1023 | void ath9k_reload_chainmask_settings(struct ath_softc *sc); |
68a89116 | 1024 | |
e93d083f SW |
1025 | void ath9k_spectral_scan_trigger(struct ieee80211_hw *hw); |
1026 | int ath9k_spectral_scan_config(struct ieee80211_hw *hw, | |
1027 | enum spectral_mode spectral_mode); | |
1028 | ||
394cf0a1 | 1029 | |
8e26a030 | 1030 | #ifdef CONFIG_ATH9K_PCI |
394cf0a1 S |
1031 | int ath_pci_init(void); |
1032 | void ath_pci_exit(void); | |
1033 | #else | |
1034 | static inline int ath_pci_init(void) { return 0; }; | |
1035 | static inline void ath_pci_exit(void) {}; | |
f1dc5600 | 1036 | #endif |
f1dc5600 | 1037 | |
8e26a030 | 1038 | #ifdef CONFIG_ATH9K_AHB |
394cf0a1 S |
1039 | int ath_ahb_init(void); |
1040 | void ath_ahb_exit(void); | |
1041 | #else | |
1042 | static inline int ath_ahb_init(void) { return 0; }; | |
1043 | static inline void ath_ahb_exit(void) {}; | |
f078f209 | 1044 | #endif |
394cf0a1 | 1045 | |
0bc0798b GJ |
1046 | void ath9k_ps_wakeup(struct ath_softc *sc); |
1047 | void ath9k_ps_restore(struct ath_softc *sc); | |
8ca21f01 | 1048 | |
ea066d5a MSS |
1049 | u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); |
1050 | ||
0fca65c1 | 1051 | void ath_start_rfkill_poll(struct ath_softc *sc); |
a3dabaf0 | 1052 | void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); |
4801416c BG |
1053 | void ath9k_calculate_iter_data(struct ieee80211_hw *hw, |
1054 | struct ieee80211_vif *vif, | |
1055 | struct ath9k_vif_iter_data *iter_data); | |
1056 | ||
394cf0a1 | 1057 | #endif /* ATH9K_H */ |