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17#ifndef ATH9K_H
18#define ATH9K_H
19
20#include <linux/etherdevice.h>
21#include <linux/device.h>
22#include <linux/interrupt.h>
23#include <linux/leds.h>
24#include <linux/completion.h>
25#include <linux/time.h>
26#include <linux/hw_random.h>
27
28#include "common.h"
29#include "debug.h"
30#include "mci.h"
31#include "dfs.h"
32
33struct ath_node;
34struct ath_vif;
35
36extern struct ieee80211_ops ath9k_ops;
37extern int ath9k_modparam_nohwcrypt;
38extern int ath9k_led_blink;
39extern bool is_ath9k_unloaded;
40extern int ath9k_use_chanctx;
41
42
43
44
45
46#define ATH_TXSTATUS_RING_SIZE 512
47
48
49#define ito64(x) (sizeof(x) == 1) ? \
50 (((unsigned long long int)(x)) & (0xff)) : \
51 (sizeof(x) == 2) ? \
52 (((unsigned long long int)(x)) & 0xffff) : \
53 ((sizeof(x) == 4) ? \
54 (((unsigned long long int)(x)) & 0xffffffff) : \
55 (unsigned long long int)(x))
56
57#define ATH_TXBUF_RESET(_bf) do { \
58 (_bf)->bf_lastbf = NULL; \
59 (_bf)->bf_next = NULL; \
60 memset(&((_bf)->bf_state), 0, \
61 sizeof(struct ath_buf_state)); \
62 } while (0)
63
64#define DS2PHYS(_dd, _ds) \
65 ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
66#define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0)
67#define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096)
68
69struct ath_descdma {
70 void *dd_desc;
71 dma_addr_t dd_desc_paddr;
72 u32 dd_desc_len;
73};
74
75int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
76 struct list_head *head, const char *name,
77 int nbuf, int ndesc, bool is_tx);
78
79
80
81
82
83#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i))
84
85
86#define INCR(_l, _sz) do { \
87 (_l)++; \
88 (_l) &= ((_sz) - 1); \
89 } while (0)
90
91#define ATH_RXBUF 512
92#define ATH_TXBUF 512
93#define ATH_TXBUF_RESERVE 5
94#define ATH_TXMAXTRY 13
95#define ATH_MAX_SW_RETRIES 30
96
97#define TID_TO_WME_AC(_tid) \
98 ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \
99 (((_tid) == 1) || ((_tid) == 2)) ? IEEE80211_AC_BK : \
100 (((_tid) == 4) || ((_tid) == 5)) ? IEEE80211_AC_VI : \
101 IEEE80211_AC_VO)
102
103#define ATH_AGGR_DELIM_SZ 4
104#define ATH_AGGR_MINPLEN 256
105
106#define ATH_AGGR_ENCRYPTDELIM 10
107
108#define ATH_AGGR_MIN_QDEPTH 2
109
110#define ATH_NON_AGGR_MIN_QDEPTH 8
111#define ATH_HW_CHECK_POLL_INT 1000
112#define ATH_TXFIFO_DEPTH 8
113#define ATH_TX_ERROR 0x01
114
115#define ATH_AIRTIME_QUANTUM 300
116
117
118#define ATH_P2P_PS_STOP_TIME 1000
119
120#define IEEE80211_SEQ_SEQ_SHIFT 4
121#define IEEE80211_SEQ_MAX 4096
122#define IEEE80211_WEP_IVLEN 3
123#define IEEE80211_WEP_KIDLEN 1
124#define IEEE80211_WEP_CRCLEN 4
125#define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \
126 (IEEE80211_WEP_IVLEN + \
127 IEEE80211_WEP_KIDLEN + \
128 IEEE80211_WEP_CRCLEN))
129
130
131
132#define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \
133 ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
134
135
136#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
137
138
139#define ATH_BA_INDEX2SEQ(_seq, _offset) (((_seq) + (_offset)) & (IEEE80211_SEQ_MAX - 1))
140
141
142#define ATH_AGGR_GET_NDELIM(_len) \
143 (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \
144 DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ))
145
146#define BAW_WITHIN(_start, _bawsz, _seqno) \
147 ((((_seqno) - (_start)) & 4095) < (_bawsz))
148
149#define ATH_AN_2_TID(_an, _tidno) ath_node_to_tid(_an, _tidno)
150
151#define IS_HT_RATE(rate) (rate & 0x80)
152#define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e))
153#define IS_OFDM_RATE(rate) ((rate >= 0x8) && (rate <= 0xf))
154
155enum {
156 WLAN_RC_PHY_OFDM,
157 WLAN_RC_PHY_CCK,
158};
159
160struct ath_txq {
161 int mac80211_qnum;
162 u32 axq_qnum;
163 void *axq_link;
164 struct list_head axq_q;
165 spinlock_t axq_lock;
166 u32 axq_depth;
167 u32 axq_ampdu_depth;
168 bool axq_tx_inprogress;
169 struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
170 u8 txq_headidx;
171 u8 txq_tailidx;
172 int pending_frames;
173 struct sk_buff_head complete_q;
174};
175
176struct ath_frame_info {
177 struct ath_buf *bf;
178 u16 framelen;
179 s8 txq;
180 u8 keyix;
181 u8 rtscts_rate;
182 u8 retries : 7;
183 u8 baw_tracked : 1;
184 u8 tx_power;
185 enum ath9k_key_type keytype:2;
186};
187
188struct ath_rxbuf {
189 struct list_head list;
190 struct sk_buff *bf_mpdu;
191 void *bf_desc;
192 dma_addr_t bf_daddr;
193 dma_addr_t bf_buf_addr;
194};
195
196
197
198
199
200
201
202
203enum buffer_type {
204 BUF_AMPDU = BIT(0),
205 BUF_AGGR = BIT(1),
206};
207
208#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
209#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
210
211struct ath_buf_state {
212 u8 bf_type;
213 u8 bfs_paprd;
214 u8 ndelim;
215 bool stale;
216 u16 seqno;
217 unsigned long bfs_paprd_timestamp;
218};
219
220struct ath_buf {
221 struct list_head list;
222 struct ath_buf *bf_lastbf;
223
224 struct ath_buf *bf_next;
225 struct sk_buff *bf_mpdu;
226 void *bf_desc;
227 dma_addr_t bf_daddr;
228 dma_addr_t bf_buf_addr;
229 struct ieee80211_tx_rate rates[4];
230 struct ath_buf_state bf_state;
231};
232
233struct ath_atx_tid {
234 struct list_head list;
235 struct sk_buff_head retry_q;
236 struct ath_node *an;
237 struct ath_txq *txq;
238 unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
239 u16 seq_start;
240 u16 seq_next;
241 u16 baw_size;
242 u8 tidno;
243 int baw_head;
244 int baw_tail;
245
246 s8 bar_index;
247 bool active;
248 bool clear_ps_filter;
249 bool has_queued;
250};
251
252void __ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid);
253void ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid);
254
255struct ath_node {
256 struct ath_softc *sc;
257 struct ieee80211_sta *sta;
258 struct ieee80211_vif *vif;
259
260 u16 maxampdu;
261 u8 mpdudensity;
262 s8 ps_key;
263
264 bool sleeping;
265 bool no_ps_filter;
266 s64 airtime_deficit[IEEE80211_NUM_ACS];
267 u32 airtime_rx_start;
268
269#ifdef CONFIG_ATH9K_STATION_STATISTICS
270 struct ath_rx_rate_stats rx_rate_stats;
271 struct ath_airtime_stats airtime_stats;
272#endif
273 u8 key_idx[4];
274
275 u32 ackto;
276 struct list_head list;
277};
278
279struct ath_tx_control {
280 struct ath_txq *txq;
281 struct ath_node *an;
282 struct ieee80211_sta *sta;
283 u8 paprd;
284};
285
286
287
288
289
290
291
292struct ath_tx {
293 u32 txqsetup;
294 spinlock_t txbuflock;
295 struct list_head txbuf;
296 struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
297 struct ath_descdma txdma;
298 struct ath_txq *txq_map[IEEE80211_NUM_ACS];
299 struct ath_txq *uapsdq;
300 u16 max_aggr_framelen[IEEE80211_NUM_ACS][4][32];
301};
302
303struct ath_rx_edma {
304 struct sk_buff_head rx_fifo;
305 u32 rx_fifo_hwsize;
306};
307
308struct ath_rx {
309 u8 defant;
310 u8 rxotherant;
311 bool discard_next;
312 u32 *rxlink;
313 u32 num_pkts;
314 struct list_head rxbuf;
315 struct ath_descdma rxdma;
316 struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
317
318 struct ath_rxbuf *buf_hold;
319 struct sk_buff *frag;
320
321 u32 ampdu_ref;
322};
323
324
325
326
327
328struct ath_acq {
329 struct list_head acq_new;
330 struct list_head acq_old;
331 spinlock_t lock;
332};
333
334struct ath_chanctx {
335 struct cfg80211_chan_def chandef;
336 struct list_head vifs;
337 struct ath_acq acq[IEEE80211_NUM_ACS];
338 int hw_queue_base;
339
340
341 struct ieee80211_vif *primary_sta;
342
343 struct ath_beacon_config beacon;
344 struct ath9k_hw_cal_data caldata;
345 struct timespec tsf_ts;
346 u64 tsf_val;
347 u32 last_beacon;
348
349 int flush_timeout;
350 u16 txpower;
351 u16 cur_txpower;
352 bool offchannel;
353 bool stopped;
354 bool active;
355 bool assigned;
356 bool switch_after_beacon;
357
358 short nvifs;
359 short nvifs_assigned;
360 unsigned int rxfilter;
361};
362
363enum ath_chanctx_event {
364 ATH_CHANCTX_EVENT_BEACON_PREPARE,
365 ATH_CHANCTX_EVENT_BEACON_SENT,
366 ATH_CHANCTX_EVENT_TSF_TIMER,
367 ATH_CHANCTX_EVENT_BEACON_RECEIVED,
368 ATH_CHANCTX_EVENT_AUTHORIZED,
369 ATH_CHANCTX_EVENT_SWITCH,
370 ATH_CHANCTX_EVENT_ASSIGN,
371 ATH_CHANCTX_EVENT_UNASSIGN,
372 ATH_CHANCTX_EVENT_CHANGE,
373 ATH_CHANCTX_EVENT_ENABLE_MULTICHANNEL,
374};
375
376enum ath_chanctx_state {
377 ATH_CHANCTX_STATE_IDLE,
378 ATH_CHANCTX_STATE_WAIT_FOR_BEACON,
379 ATH_CHANCTX_STATE_WAIT_FOR_TIMER,
380 ATH_CHANCTX_STATE_SWITCH,
381 ATH_CHANCTX_STATE_FORCE_ACTIVE,
382};
383
384struct ath_chanctx_sched {
385 bool beacon_pending;
386 bool beacon_adjust;
387 bool offchannel_pending;
388 bool wait_switch;
389 bool force_noa_update;
390 bool extend_absence;
391 bool mgd_prepare_tx;
392 enum ath_chanctx_state state;
393 u8 beacon_miss;
394
395 u32 next_tbtt;
396 u32 switch_start_time;
397 unsigned int offchannel_duration;
398 unsigned int channel_switch_time;
399
400
401 struct timer_list timer;
402};
403
404enum ath_offchannel_state {
405 ATH_OFFCHANNEL_IDLE,
406 ATH_OFFCHANNEL_PROBE_SEND,
407 ATH_OFFCHANNEL_PROBE_WAIT,
408 ATH_OFFCHANNEL_SUSPEND,
409 ATH_OFFCHANNEL_ROC_START,
410 ATH_OFFCHANNEL_ROC_WAIT,
411 ATH_OFFCHANNEL_ROC_DONE,
412};
413
414enum ath_roc_complete_reason {
415 ATH_ROC_COMPLETE_EXPIRE,
416 ATH_ROC_COMPLETE_ABORT,
417 ATH_ROC_COMPLETE_CANCEL,
418};
419
420struct ath_offchannel {
421 struct ath_chanctx chan;
422 struct timer_list timer;
423 struct cfg80211_scan_request *scan_req;
424 struct ieee80211_vif *scan_vif;
425 int scan_idx;
426 enum ath_offchannel_state state;
427 struct ieee80211_channel *roc_chan;
428 struct ieee80211_vif *roc_vif;
429 int roc_duration;
430 int duration;
431};
432
433static inline struct ath_atx_tid *
434ath_node_to_tid(struct ath_node *an, u8 tidno)
435{
436 struct ieee80211_sta *sta = an->sta;
437 struct ieee80211_vif *vif = an->vif;
438 struct ieee80211_txq *txq;
439
440 BUG_ON(!vif);
441 if (sta)
442 txq = sta->txq[tidno % ARRAY_SIZE(sta->txq)];
443 else
444 txq = vif->txq;
445
446 return (struct ath_atx_tid *) txq->drv_priv;
447}
448
449#define case_rtn_string(val) case val: return #val
450
451#define ath_for_each_chanctx(_sc, _ctx) \
452 for (ctx = &sc->chanctx[0]; \
453 ctx <= &sc->chanctx[ARRAY_SIZE(sc->chanctx) - 1]; \
454 ctx++)
455
456void ath_chanctx_init(struct ath_softc *sc);
457void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx,
458 struct cfg80211_chan_def *chandef);
459
460#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
461
462static inline struct ath_chanctx *
463ath_chanctx_get(struct ieee80211_chanctx_conf *ctx)
464{
465 struct ath_chanctx **ptr = (void *) ctx->drv_priv;
466 return *ptr;
467}
468
469bool ath9k_is_chanctx_enabled(void);
470void ath9k_fill_chanctx_ops(void);
471void ath9k_init_channel_context(struct ath_softc *sc);
472void ath9k_offchannel_init(struct ath_softc *sc);
473void ath9k_deinit_channel_context(struct ath_softc *sc);
474int ath9k_init_p2p(struct ath_softc *sc);
475void ath9k_deinit_p2p(struct ath_softc *sc);
476void ath9k_p2p_remove_vif(struct ath_softc *sc,
477 struct ieee80211_vif *vif);
478void ath9k_p2p_beacon_sync(struct ath_softc *sc);
479void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
480 struct ieee80211_vif *vif);
481void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp,
482 struct sk_buff *skb);
483void ath9k_p2p_ps_timer(void *priv);
484void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx);
485void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx);
486void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
487
488void ath_chanctx_beacon_recv_ev(struct ath_softc *sc,
489 enum ath_chanctx_event ev);
490void ath_chanctx_beacon_sent_ev(struct ath_softc *sc,
491 enum ath_chanctx_event ev);
492void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
493 enum ath_chanctx_event ev);
494void ath_chanctx_set_next(struct ath_softc *sc, bool force);
495void ath_offchannel_next(struct ath_softc *sc);
496void ath_scan_complete(struct ath_softc *sc, bool abort);
497void ath_roc_complete(struct ath_softc *sc,
498 enum ath_roc_complete_reason reason);
499struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc);
500
501#else
502
503static inline bool ath9k_is_chanctx_enabled(void)
504{
505 return false;
506}
507static inline void ath9k_fill_chanctx_ops(void)
508{
509}
510static inline void ath9k_init_channel_context(struct ath_softc *sc)
511{
512}
513static inline void ath9k_offchannel_init(struct ath_softc *sc)
514{
515}
516static inline void ath9k_deinit_channel_context(struct ath_softc *sc)
517{
518}
519static inline void ath_chanctx_beacon_recv_ev(struct ath_softc *sc,
520 enum ath_chanctx_event ev)
521{
522}
523static inline void ath_chanctx_beacon_sent_ev(struct ath_softc *sc,
524 enum ath_chanctx_event ev)
525{
526}
527static inline void ath_chanctx_event(struct ath_softc *sc,
528 struct ieee80211_vif *vif,
529 enum ath_chanctx_event ev)
530{
531}
532static inline int ath9k_init_p2p(struct ath_softc *sc)
533{
534 return 0;
535}
536static inline void ath9k_deinit_p2p(struct ath_softc *sc)
537{
538}
539static inline void ath9k_p2p_remove_vif(struct ath_softc *sc,
540 struct ieee80211_vif *vif)
541{
542}
543static inline void ath9k_p2p_beacon_sync(struct ath_softc *sc)
544{
545}
546static inline void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
547 struct ieee80211_vif *vif)
548{
549}
550static inline void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp,
551 struct sk_buff *skb)
552{
553}
554static inline void ath9k_p2p_ps_timer(struct ath_softc *sc)
555{
556}
557static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc,
558 struct ath_chanctx *ctx)
559{
560}
561static inline void ath9k_chanctx_stop_queues(struct ath_softc *sc,
562 struct ath_chanctx *ctx)
563{
564}
565static inline void ath_chanctx_check_active(struct ath_softc *sc,
566 struct ath_chanctx *ctx)
567{
568}
569
570#endif
571
572static inline void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq)
573{
574 spin_lock_bh(&txq->axq_lock);
575}
576static inline void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq)
577{
578 spin_unlock_bh(&txq->axq_lock);
579}
580
581void ath_startrecv(struct ath_softc *sc);
582bool ath_stoprecv(struct ath_softc *sc);
583u32 ath_calcrxfilter(struct ath_softc *sc);
584int ath_rx_init(struct ath_softc *sc, int nbufs);
585void ath_rx_cleanup(struct ath_softc *sc);
586int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
587struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
588void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq);
589void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
590bool ath_drain_all_txq(struct ath_softc *sc);
591void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq);
592void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
593void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
594void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
595void ath_txq_schedule_all(struct ath_softc *sc);
596int ath_tx_init(struct ath_softc *sc, int nbufs);
597int ath_txq_update(struct ath_softc *sc, int qnum,
598 struct ath9k_tx_queue_info *q);
599u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
600 int width, int half_gi, bool shortPreamble);
601void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop);
602void ath_assign_seq(struct ath_common *common, struct sk_buff *skb);
603int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
604 struct ath_tx_control *txctl);
605void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
606 struct sk_buff *skb);
607void ath_tx_tasklet(struct ath_softc *sc);
608void ath_tx_edma_tasklet(struct ath_softc *sc);
609int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
610 u16 tid, u16 *ssn);
611void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
612
613void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
614void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
615 struct ath_node *an);
616void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
617 struct ieee80211_sta *sta,
618 u16 tids, int nframes,
619 enum ieee80211_frame_release_type reason,
620 bool more_data);
621void ath9k_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *queue);
622
623
624
625
626
627#define P2P_DEFAULT_CTWIN 10
628
629struct ath_vif {
630 struct list_head list;
631
632 u16 seq_no;
633
634
635 u8 bssid[ETH_ALEN] __aligned(2);
636 u16 aid;
637 bool assoc;
638
639 struct ieee80211_vif *vif;
640 struct ath_node mcast_node;
641 int av_bslot;
642 __le64 tsf_adjust;
643 struct ath_buf *av_bcbuf;
644 struct ath_chanctx *chanctx;
645
646
647 struct ieee80211_noa_data noa;
648
649
650 u8 noa_index;
651 u32 offchannel_start;
652 u32 offchannel_duration;
653
654
655 u32 noa_start;
656 u32 noa_duration;
657 bool periodic_noa;
658 bool oneshot_noa;
659};
660
661struct ath9k_vif_iter_data {
662 u8 hw_macaddr[ETH_ALEN];
663 u8 mask[ETH_ALEN];
664 bool has_hw_macaddr;
665 u8 slottime;
666 bool beacons;
667
668 int naps;
669 int nmeshes;
670 int nstations;
671 int nwds;
672 int nadhocs;
673 int nocbs;
674 int nbcnvifs;
675 struct ieee80211_vif *primary_beacon_vif;
676 struct ieee80211_vif *primary_sta;
677};
678
679void ath9k_calculate_iter_data(struct ath_softc *sc,
680 struct ath_chanctx *ctx,
681 struct ath9k_vif_iter_data *iter_data);
682void ath9k_calculate_summary_state(struct ath_softc *sc,
683 struct ath_chanctx *ctx);
684void ath9k_set_txpower(struct ath_softc *sc, struct ieee80211_vif *vif);
685
686
687
688
689
690
691
692
693
694
695#define BSTUCK_THRESH 9
696#define ATH_BCBUF 8
697#define ATH_DEFAULT_BINTVAL 100
698#define ATH_DEFAULT_BMISS_LIMIT 10
699
700#define TSF_TO_TU(_h,_l) \
701 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
702
703struct ath_beacon {
704 enum {
705 OK,
706 UPDATE,
707 COMMIT
708 } updateslot;
709
710 u32 beaconq;
711 u32 bmisscnt;
712 struct ieee80211_vif *bslot[ATH_BCBUF];
713 int slottime;
714 int slotupdate;
715 struct ath_descdma bdma;
716 struct ath_txq *cabq;
717 struct list_head bbuf;
718
719 bool tx_processed;
720 bool tx_last;
721};
722
723void ath9k_beacon_tasklet(unsigned long data);
724void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *main_vif,
725 bool beacons);
726void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
727void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
728void ath9k_beacon_ensure_primary_slot(struct ath_softc *sc);
729void ath9k_set_beacon(struct ath_softc *sc);
730bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif);
731void ath9k_csa_update(struct ath_softc *sc);
732
733
734
735
736
737#define ATH_STA_SHORT_CALINTERVAL 1000
738#define ATH_AP_SHORT_CALINTERVAL 100
739#define ATH_ANI_POLLINTERVAL_OLD 100
740#define ATH_ANI_POLLINTERVAL_NEW 1000
741#define ATH_LONG_CALINTERVAL_INT 1000
742#define ATH_LONG_CALINTERVAL 30000
743#define ATH_RESTART_CALINTERVAL 1200000
744#define ATH_ANI_MAX_SKIP_COUNT 10
745#define ATH_PAPRD_TIMEOUT 100
746#define ATH_PLL_WORK_INTERVAL 100
747
748void ath_hw_check_work(struct work_struct *work);
749void ath_reset_work(struct work_struct *work);
750bool ath_hw_check(struct ath_softc *sc);
751void ath_hw_pll_work(struct work_struct *work);
752void ath_paprd_calibrate(struct work_struct *work);
753void ath_ani_calibrate(unsigned long data);
754void ath_start_ani(struct ath_softc *sc);
755void ath_stop_ani(struct ath_softc *sc);
756void ath_check_ani(struct ath_softc *sc);
757int ath_update_survey_stats(struct ath_softc *sc);
758void ath_update_survey_nf(struct ath_softc *sc, int channel);
759void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type);
760void ath_ps_full_sleep(unsigned long data);
761void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop,
762 bool sw_pending, bool timeout_override);
763
764
765
766
767
768#define ATH_DUMP_BTCOEX(_s, _val) \
769 do { \
770 len += scnprintf(buf + len, size - len, \
771 "%20s : %10d\n", _s, (_val)); \
772 } while (0)
773
774enum bt_op_flags {
775 BT_OP_PRIORITY_DETECTED,
776 BT_OP_SCAN,
777};
778
779struct ath_btcoex {
780 spinlock_t btcoex_lock;
781 struct timer_list period_timer;
782 struct timer_list no_stomp_timer;
783 u32 bt_priority_cnt;
784 unsigned long bt_priority_time;
785 unsigned long op_flags;
786 int bt_stomp_type;
787 u32 btcoex_no_stomp;
788 u32 btcoex_period;
789 u32 btscan_no_stomp;
790 u32 duty_cycle;
791 u32 bt_wait_time;
792 int rssi_count;
793 struct ath_mci_profile mci;
794 u8 stomp_audio;
795};
796
797#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
798int ath9k_init_btcoex(struct ath_softc *sc);
799void ath9k_deinit_btcoex(struct ath_softc *sc);
800void ath9k_start_btcoex(struct ath_softc *sc);
801void ath9k_stop_btcoex(struct ath_softc *sc);
802void ath9k_btcoex_timer_resume(struct ath_softc *sc);
803void ath9k_btcoex_timer_pause(struct ath_softc *sc);
804void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
805u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
806void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc);
807int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size);
808#else
809static inline int ath9k_init_btcoex(struct ath_softc *sc)
810{
811 return 0;
812}
813static inline void ath9k_deinit_btcoex(struct ath_softc *sc)
814{
815}
816static inline void ath9k_start_btcoex(struct ath_softc *sc)
817{
818}
819static inline void ath9k_stop_btcoex(struct ath_softc *sc)
820{
821}
822static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc,
823 u32 status)
824{
825}
826static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
827 u32 max_4ms_framelen)
828{
829 return 0;
830}
831static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
832{
833}
834static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
835{
836 return 0;
837}
838#endif
839
840
841
842
843
844#define ATH_LED_PIN_DEF 1
845#define ATH_LED_PIN_9287 8
846#define ATH_LED_PIN_9300 10
847#define ATH_LED_PIN_9485 6
848#define ATH_LED_PIN_9462 4
849
850#ifdef CONFIG_MAC80211_LEDS
851void ath_init_leds(struct ath_softc *sc);
852void ath_deinit_leds(struct ath_softc *sc);
853#else
854static inline void ath_init_leds(struct ath_softc *sc)
855{
856}
857
858static inline void ath_deinit_leds(struct ath_softc *sc)
859{
860}
861#endif
862
863
864
865
866
867#ifdef CONFIG_ATH9K_WOW
868void ath9k_init_wow(struct ieee80211_hw *hw);
869void ath9k_deinit_wow(struct ieee80211_hw *hw);
870int ath9k_suspend(struct ieee80211_hw *hw,
871 struct cfg80211_wowlan *wowlan);
872int ath9k_resume(struct ieee80211_hw *hw);
873void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled);
874#else
875static inline void ath9k_init_wow(struct ieee80211_hw *hw)
876{
877}
878static inline void ath9k_deinit_wow(struct ieee80211_hw *hw)
879{
880}
881static inline int ath9k_suspend(struct ieee80211_hw *hw,
882 struct cfg80211_wowlan *wowlan)
883{
884 return 0;
885}
886static inline int ath9k_resume(struct ieee80211_hw *hw)
887{
888 return 0;
889}
890static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled)
891{
892}
893#endif
894
895
896
897
898
899#define ATH_ANT_RX_CURRENT_SHIFT 4
900#define ATH_ANT_RX_MAIN_SHIFT 2
901#define ATH_ANT_RX_MASK 0x3
902
903#define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50
904#define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100
905#define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200
906#define ATH_ANT_DIV_COMB_INIT_COUNT 95
907#define ATH_ANT_DIV_COMB_MAX_COUNT 100
908#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30
909#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20
910#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50
911#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50
912
913#define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4
914#define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2
915#define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2
916
917struct ath_ant_comb {
918 u16 count;
919 u16 total_pkt_count;
920 bool scan;
921 bool scan_not_start;
922 int main_total_rssi;
923 int alt_total_rssi;
924 int alt_recv_cnt;
925 int main_recv_cnt;
926 int rssi_lna1;
927 int rssi_lna2;
928 int rssi_add;
929 int rssi_sub;
930 int rssi_first;
931 int rssi_second;
932 int rssi_third;
933 int ant_ratio;
934 int ant_ratio2;
935 bool alt_good;
936 int quick_scan_cnt;
937 enum ath9k_ant_div_comb_lna_conf main_conf;
938 enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf;
939 enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf;
940 bool first_ratio;
941 bool second_ratio;
942 unsigned long scan_start_time;
943
944
945
946
947 int low_rssi_thresh;
948 int fast_div_bias;
949};
950
951void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs);
952
953
954
955
956
957#define ATH9K_PCI_CUS198 0x0001
958#define ATH9K_PCI_CUS230 0x0002
959#define ATH9K_PCI_CUS217 0x0004
960#define ATH9K_PCI_CUS252 0x0008
961#define ATH9K_PCI_WOW 0x0010
962#define ATH9K_PCI_BT_ANT_DIV 0x0020
963#define ATH9K_PCI_D3_L1_WAR 0x0040
964#define ATH9K_PCI_AR9565_1ANT 0x0080
965#define ATH9K_PCI_AR9565_2ANT 0x0100
966#define ATH9K_PCI_NO_PLL_PWRSAVE 0x0200
967#define ATH9K_PCI_KILLER 0x0400
968#define ATH9K_PCI_LED_ACT_HI 0x0800
969
970
971
972
973
974#define DEFAULT_CACHELINE 32
975#define ATH_CABQ_READY_TIME 80
976#define ATH_TXPOWER_MAX 100
977#define MAX_GTT_CNT 5
978
979
980#define PS_WAIT_FOR_BEACON BIT(0)
981#define PS_WAIT_FOR_CAB BIT(1)
982#define PS_WAIT_FOR_PSPOLL_DATA BIT(2)
983#define PS_WAIT_FOR_TX_ACK BIT(3)
984#define PS_BEACON_SYNC BIT(4)
985#define PS_WAIT_FOR_ANI BIT(5)
986
987#define ATH9K_NUM_CHANCTX 2
988
989#define AIRTIME_USE_TX BIT(0)
990#define AIRTIME_USE_RX BIT(1)
991#define AIRTIME_USE_NEW_QUEUES BIT(2)
992#define AIRTIME_ACTIVE(flags) (!!(flags & (AIRTIME_USE_TX|AIRTIME_USE_RX)))
993
994struct ath_softc {
995 struct ieee80211_hw *hw;
996 struct device *dev;
997
998 struct survey_info *cur_survey;
999 struct survey_info survey[ATH9K_NUM_CHANNELS];
1000
1001 spinlock_t intr_lock;
1002 struct tasklet_struct intr_tq;
1003 struct tasklet_struct bcon_tasklet;
1004 struct ath_hw *sc_ah;
1005 void __iomem *mem;
1006 int irq;
1007 spinlock_t sc_serial_rw;
1008 spinlock_t sc_pm_lock;
1009 spinlock_t sc_pcu_lock;
1010 struct mutex mutex;
1011 struct work_struct paprd_work;
1012 struct work_struct hw_reset_work;
1013 struct completion paprd_complete;
1014 wait_queue_head_t tx_wait;
1015
1016#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
1017 struct work_struct chanctx_work;
1018 struct ath_gen_timer *p2p_ps_timer;
1019 struct ath_vif *p2p_ps_vif;
1020 struct ath_chanctx_sched sched;
1021 struct ath_offchannel offchannel;
1022 struct ath_chanctx *next_chan;
1023 struct completion go_beacon;
1024 struct timespec last_event_time;
1025#endif
1026
1027 unsigned long driver_data;
1028
1029 u8 gtt_cnt;
1030 u32 intrstatus;
1031 u16 ps_flags;
1032 bool ps_enabled;
1033 bool ps_idle;
1034 short nbcnvifs;
1035 unsigned long ps_usecount;
1036
1037 u16 airtime_flags;
1038
1039 struct ath_rx rx;
1040 struct ath_tx tx;
1041 struct ath_beacon beacon;
1042
1043 struct cfg80211_chan_def cur_chandef;
1044 struct ath_chanctx chanctx[ATH9K_NUM_CHANCTX];
1045 struct ath_chanctx *cur_chan;
1046 spinlock_t chan_lock;
1047
1048#ifdef CONFIG_MAC80211_LEDS
1049 bool led_registered;
1050 char led_name[32];
1051 struct led_classdev led_cdev;
1052#endif
1053
1054#ifdef CONFIG_ATH9K_DEBUGFS
1055 struct ath9k_debug debug;
1056#endif
1057 struct delayed_work hw_check_work;
1058 struct delayed_work hw_pll_work;
1059 struct timer_list sleep_timer;
1060
1061#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1062 struct ath_btcoex btcoex;
1063 struct ath_mci_coex mci_coex;
1064 struct work_struct mci_work;
1065#endif
1066
1067 struct ath_descdma txsdma;
1068
1069 struct ath_ant_comb ant_comb;
1070 u8 ant_tx, ant_rx;
1071 struct dfs_pattern_detector *dfs_detector;
1072 u64 dfs_prev_pulse_ts;
1073 u32 wow_enabled;
1074
1075 struct ath_spec_scan_priv spec_priv;
1076
1077 struct ieee80211_vif *tx99_vif;
1078 struct sk_buff *tx99_skb;
1079 bool tx99_state;
1080 s16 tx99_power;
1081
1082#ifdef CONFIG_ATH9K_WOW
1083 u32 wow_intr_before_sleep;
1084 bool force_wow;
1085#endif
1086
1087#ifdef CONFIG_ATH9K_HWRNG
1088 u32 rng_last;
1089 struct task_struct *rng_task;
1090#endif
1091};
1092
1093
1094
1095
1096
1097#ifdef CONFIG_ATH9K_TX99
1098void ath9k_tx99_init_debug(struct ath_softc *sc);
1099int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb,
1100 struct ath_tx_control *txctl);
1101#else
1102static inline void ath9k_tx99_init_debug(struct ath_softc *sc)
1103{
1104}
1105static inline int ath9k_tx99_send(struct ath_softc *sc,
1106 struct sk_buff *skb,
1107 struct ath_tx_control *txctl)
1108{
1109 return 0;
1110}
1111#endif
1112
1113
1114
1115
1116#ifdef CONFIG_ATH9K_HWRNG
1117void ath9k_rng_start(struct ath_softc *sc);
1118void ath9k_rng_stop(struct ath_softc *sc);
1119#else
1120static inline void ath9k_rng_start(struct ath_softc *sc)
1121{
1122}
1123
1124static inline void ath9k_rng_stop(struct ath_softc *sc)
1125{
1126}
1127#endif
1128
1129static inline void ath_read_cachesize(struct ath_common *common, int *csz)
1130{
1131 common->bus_ops->read_cachesize(common, csz);
1132}
1133
1134void ath9k_tasklet(unsigned long data);
1135int ath_cabq_update(struct ath_softc *);
1136u8 ath9k_parse_mpdudensity(u8 mpdudensity);
1137irqreturn_t ath_isr(int irq, void *dev);
1138int ath_reset(struct ath_softc *sc, struct ath9k_channel *hchan);
1139void ath_cancel_work(struct ath_softc *sc);
1140void ath_restart_work(struct ath_softc *sc);
1141int ath9k_init_device(u16 devid, struct ath_softc *sc,
1142 const struct ath_bus_ops *bus_ops);
1143void ath9k_deinit_device(struct ath_softc *sc);
1144void ath9k_reload_chainmask_settings(struct ath_softc *sc);
1145u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
1146void ath_start_rfkill_poll(struct ath_softc *sc);
1147void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
1148void ath9k_ps_wakeup(struct ath_softc *sc);
1149void ath9k_ps_restore(struct ath_softc *sc);
1150
1151#ifdef CONFIG_ATH9K_PCI
1152int ath_pci_init(void);
1153void ath_pci_exit(void);
1154#else
1155static inline int ath_pci_init(void) { return 0; };
1156static inline void ath_pci_exit(void) {};
1157#endif
1158
1159#ifdef CONFIG_ATH9K_AHB
1160int ath_ahb_init(void);
1161void ath_ahb_exit(void);
1162#else
1163static inline int ath_ahb_init(void) { return 0; };
1164static inline void ath_ahb_exit(void) {};
1165#endif
1166
1167#endif
1168