2 * Copyright (c) 2008-2011 Atheros Communications Inc.
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.
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.
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>
36 extern struct ieee80211_ops ath9k_ops;
37 extern int ath9k_modparam_nohwcrypt;
39 extern bool is_ath9k_unloaded;
40 extern int ath9k_use_chanctx;
42 /*************************/
43 /* Descriptor Management */
44 /*************************/
46 #define ATH_TXSTATUS_RING_SIZE 512
48 /* Macro to expand scalars to 64-bit objects */
49 #define ito64(x) (sizeof(x) == 1) ? \
50 (((unsigned long long int)(x)) & (0xff)) : \
52 (((unsigned long long int)(x)) & 0xffff) : \
54 (((unsigned long long int)(x)) & 0xffffffff) : \
55 (unsigned long long int)(x))
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)); \
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)
71 dma_addr_t dd_desc_paddr;
75 int 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);
83 #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i))
85 /* increment with wrap-around */
86 #define INCR(_l, _sz) do { \
88 (_l) &= ((_sz) - 1); \
93 #define ATH_TXBUF_RESERVE 5
94 #define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE)
95 #define ATH_TXMAXTRY 13
96 #define ATH_MAX_SW_RETRIES 30
98 #define TID_TO_WME_AC(_tid) \
99 ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \
100 (((_tid) == 1) || ((_tid) == 2)) ? IEEE80211_AC_BK : \
101 (((_tid) == 4) || ((_tid) == 5)) ? IEEE80211_AC_VI : \
104 #define ATH_AGGR_DELIM_SZ 4
105 #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
106 /* number of delimiters for encryption padding */
107 #define ATH_AGGR_ENCRYPTDELIM 10
108 /* minimum h/w qdepth to be sustained to maximize aggregation */
109 #define ATH_AGGR_MIN_QDEPTH 2
110 /* minimum h/w qdepth for non-aggregated traffic */
111 #define ATH_NON_AGGR_MIN_QDEPTH 8
112 #define ATH_TX_COMPLETE_POLL_INT 1000
113 #define ATH_TXFIFO_DEPTH 8
114 #define ATH_TX_ERROR 0x01
116 /* Stop tx traffic 1ms before the GO goes away */
117 #define ATH_P2P_PS_STOP_TIME 1000
119 #define IEEE80211_SEQ_SEQ_SHIFT 4
120 #define IEEE80211_SEQ_MAX 4096
121 #define IEEE80211_WEP_IVLEN 3
122 #define IEEE80211_WEP_KIDLEN 1
123 #define IEEE80211_WEP_CRCLEN 4
124 #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \
125 (IEEE80211_WEP_IVLEN + \
126 IEEE80211_WEP_KIDLEN + \
127 IEEE80211_WEP_CRCLEN))
129 /* return whether a bit at index _n in bitmap _bm is set
130 * _sz is the size of the bitmap */
131 #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \
132 ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
134 /* return block-ack bitmap index given sequence and starting sequence */
135 #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
137 /* return the seqno for _start + _offset */
138 #define ATH_BA_INDEX2SEQ(_seq, _offset) (((_seq) + (_offset)) & (IEEE80211_SEQ_MAX - 1))
140 /* returns delimiter padding required given the packet length */
141 #define ATH_AGGR_GET_NDELIM(_len) \
142 (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \
143 DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ))
145 #define BAW_WITHIN(_start, _bawsz, _seqno) \
146 ((((_seqno) - (_start)) & 4095) < (_bawsz))
148 #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)])
150 #define IS_HT_RATE(rate) (rate & 0x80)
151 #define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e))
152 #define IS_OFDM_RATE(rate) ((rate >= 0x8) && (rate <= 0xf))
160 int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
161 u32 axq_qnum; /* ath9k hardware queue number */
163 struct list_head axq_q;
168 bool axq_tx_inprogress;
169 struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
173 struct sk_buff_head complete_q;
178 struct list_head list;
179 struct list_head tid_q;
180 bool clear_ps_filter;
184 struct ath_frame_info {
188 enum ath9k_key_type keytype;
196 struct list_head list;
197 struct sk_buff *bf_mpdu;
200 dma_addr_t bf_buf_addr;
204 * enum buffer_type - Buffer type flags
206 * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
207 * @BUF_AGGR: Indicates whether the buffer can be aggregated
208 * (used in aggregation scheduling)
215 #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
216 #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
218 struct ath_buf_state {
224 unsigned long bfs_paprd_timestamp;
228 struct list_head list;
229 struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or
231 struct ath_buf *bf_next; /* next subframe in the aggregate */
232 struct sk_buff *bf_mpdu; /* enclosing frame structure */
233 void *bf_desc; /* virtual addr of desc */
234 dma_addr_t bf_daddr; /* physical addr of desc */
235 dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */
236 struct ieee80211_tx_rate rates[4];
237 struct ath_buf_state bf_state;
241 struct list_head list;
242 struct sk_buff_head buf_q;
243 struct sk_buff_head retry_q;
245 struct ath_atx_ac *ac;
246 unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
251 int baw_head; /* first un-acked tx buffer */
252 int baw_tail; /* next unused tx buffer slot */
260 struct ath_softc *sc;
261 struct ieee80211_sta *sta; /* station struct we're part of */
262 struct ieee80211_vif *vif; /* interface with which we're associated */
263 struct ath_atx_tid tid[IEEE80211_NUM_TIDS];
264 struct ath_atx_ac ac[IEEE80211_NUM_ACS];
273 #ifdef CONFIG_ATH9K_STATION_STATISTICS
274 struct ath_rx_rate_stats rx_rate_stats;
279 struct ath_tx_control {
282 struct ieee80211_sta *sta;
289 * @txq_map: Index is mac80211 queue number. This is
290 * not necessarily the same as the hardware queue number
296 spinlock_t txbuflock;
297 struct list_head txbuf;
298 struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
299 struct ath_descdma txdma;
300 struct ath_txq *txq_map[IEEE80211_NUM_ACS];
301 struct ath_txq *uapsdq;
302 u32 txq_max_pending[IEEE80211_NUM_ACS];
303 u16 max_aggr_framelen[IEEE80211_NUM_ACS][4][32];
307 struct sk_buff_head rx_fifo;
317 struct list_head rxbuf;
318 struct ath_descdma rxdma;
319 struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
321 struct ath_rxbuf *buf_hold;
322 struct sk_buff *frag;
327 /*******************/
328 /* Channel Context */
329 /*******************/
332 struct cfg80211_chan_def chandef;
333 struct list_head vifs;
334 struct list_head acq[IEEE80211_NUM_ACS];
337 /* do not dereference, use for comparison only */
338 struct ieee80211_vif *primary_sta;
340 struct ath_beacon_config beacon;
341 struct ath9k_hw_cal_data caldata;
342 struct timespec tsf_ts;
351 bool switch_after_beacon;
354 unsigned int rxfilter;
357 enum ath_chanctx_event {
358 ATH_CHANCTX_EVENT_BEACON_PREPARE,
359 ATH_CHANCTX_EVENT_BEACON_SENT,
360 ATH_CHANCTX_EVENT_TSF_TIMER,
361 ATH_CHANCTX_EVENT_BEACON_RECEIVED,
362 ATH_CHANCTX_EVENT_ASSOC,
363 ATH_CHANCTX_EVENT_SWITCH,
364 ATH_CHANCTX_EVENT_ASSIGN,
365 ATH_CHANCTX_EVENT_UNASSIGN,
366 ATH_CHANCTX_EVENT_CHANGE,
367 ATH_CHANCTX_EVENT_ENABLE_MULTICHANNEL,
370 enum ath_chanctx_state {
371 ATH_CHANCTX_STATE_IDLE,
372 ATH_CHANCTX_STATE_WAIT_FOR_BEACON,
373 ATH_CHANCTX_STATE_WAIT_FOR_TIMER,
374 ATH_CHANCTX_STATE_SWITCH,
375 ATH_CHANCTX_STATE_FORCE_ACTIVE,
378 struct ath_chanctx_sched {
380 bool offchannel_pending;
382 bool force_noa_update;
384 enum ath_chanctx_state state;
388 u32 switch_start_time;
389 unsigned int offchannel_duration;
390 unsigned int channel_switch_time;
392 /* backup, in case the hardware timer fails */
393 struct timer_list timer;
396 enum ath_offchannel_state {
398 ATH_OFFCHANNEL_PROBE_SEND,
399 ATH_OFFCHANNEL_PROBE_WAIT,
400 ATH_OFFCHANNEL_SUSPEND,
401 ATH_OFFCHANNEL_ROC_START,
402 ATH_OFFCHANNEL_ROC_WAIT,
403 ATH_OFFCHANNEL_ROC_DONE,
406 struct ath_offchannel {
407 struct ath_chanctx chan;
408 struct timer_list timer;
409 struct cfg80211_scan_request *scan_req;
410 struct ieee80211_vif *scan_vif;
412 enum ath_offchannel_state state;
413 struct ieee80211_channel *roc_chan;
414 struct ieee80211_vif *roc_vif;
419 #define case_rtn_string(val) case val: return #val
421 #define ath_for_each_chanctx(_sc, _ctx) \
422 for (ctx = &sc->chanctx[0]; \
423 ctx <= &sc->chanctx[ARRAY_SIZE(sc->chanctx) - 1]; \
426 void ath_chanctx_init(struct ath_softc *sc);
427 void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx,
428 struct cfg80211_chan_def *chandef);
430 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
432 static inline struct ath_chanctx *
433 ath_chanctx_get(struct ieee80211_chanctx_conf *ctx)
435 struct ath_chanctx **ptr = (void *) ctx->drv_priv;
439 bool ath9k_is_chanctx_enabled(void);
440 void ath9k_fill_chanctx_ops(void);
441 void ath9k_init_channel_context(struct ath_softc *sc);
442 void ath9k_offchannel_init(struct ath_softc *sc);
443 void ath9k_deinit_channel_context(struct ath_softc *sc);
444 int ath9k_init_p2p(struct ath_softc *sc);
445 void ath9k_deinit_p2p(struct ath_softc *sc);
446 void ath9k_p2p_remove_vif(struct ath_softc *sc,
447 struct ieee80211_vif *vif);
448 void ath9k_p2p_beacon_sync(struct ath_softc *sc);
449 void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
450 struct ieee80211_vif *vif);
451 void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp,
452 struct sk_buff *skb);
453 void ath9k_p2p_ps_timer(void *priv);
454 void ath9k_chanctx_wake_queues(struct ath_softc *sc);
455 void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
457 void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, u32 ts,
458 enum ath_chanctx_event ev);
459 void ath_chanctx_beacon_sent_ev(struct ath_softc *sc,
460 enum ath_chanctx_event ev);
461 void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
462 enum ath_chanctx_event ev);
463 void ath_chanctx_set_next(struct ath_softc *sc, bool force);
464 void ath_offchannel_next(struct ath_softc *sc);
465 void ath_scan_complete(struct ath_softc *sc, bool abort);
466 void ath_roc_complete(struct ath_softc *sc, bool abort);
470 static inline bool ath9k_is_chanctx_enabled(void)
474 static inline void ath9k_fill_chanctx_ops(void)
477 static inline void ath9k_init_channel_context(struct ath_softc *sc)
480 static inline void ath9k_offchannel_init(struct ath_softc *sc)
483 static inline void ath9k_deinit_channel_context(struct ath_softc *sc)
486 static inline void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, u32 ts,
487 enum ath_chanctx_event ev)
490 static inline void ath_chanctx_beacon_sent_ev(struct ath_softc *sc,
491 enum ath_chanctx_event ev)
494 static inline void ath_chanctx_event(struct ath_softc *sc,
495 struct ieee80211_vif *vif,
496 enum ath_chanctx_event ev)
499 static inline int ath9k_init_p2p(struct ath_softc *sc)
503 static inline void ath9k_deinit_p2p(struct ath_softc *sc)
506 static inline void ath9k_p2p_remove_vif(struct ath_softc *sc,
507 struct ieee80211_vif *vif)
510 static inline void ath9k_p2p_beacon_sync(struct ath_softc *sc)
513 static inline void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
514 struct ieee80211_vif *vif)
517 static inline void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp,
521 static inline void ath9k_p2p_ps_timer(struct ath_softc *sc)
524 static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc)
527 static inline void ath_chanctx_check_active(struct ath_softc *sc,
528 struct ath_chanctx *ctx)
532 #endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
534 int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan);
535 void ath_startrecv(struct ath_softc *sc);
536 bool ath_stoprecv(struct ath_softc *sc);
537 u32 ath_calcrxfilter(struct ath_softc *sc);
538 int ath_rx_init(struct ath_softc *sc, int nbufs);
539 void ath_rx_cleanup(struct ath_softc *sc);
540 int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
541 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
542 void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq);
543 void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq);
544 void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq);
545 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
546 bool ath_drain_all_txq(struct ath_softc *sc);
547 void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq);
548 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
549 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
550 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
551 void ath_txq_schedule_all(struct ath_softc *sc);
552 int ath_tx_init(struct ath_softc *sc, int nbufs);
553 int ath_txq_update(struct ath_softc *sc, int qnum,
554 struct ath9k_tx_queue_info *q);
555 void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop);
556 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
557 struct ath_tx_control *txctl);
558 void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
559 struct sk_buff *skb);
560 void ath_tx_tasklet(struct ath_softc *sc);
561 void ath_tx_edma_tasklet(struct ath_softc *sc);
562 int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
564 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
565 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
567 void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
568 void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
569 struct ath_node *an);
570 void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
571 struct ieee80211_sta *sta,
572 u16 tids, int nframes,
573 enum ieee80211_frame_release_type reason,
580 #define P2P_DEFAULT_CTWIN 10
583 struct list_head list;
585 struct ieee80211_vif *vif;
586 struct ath_node mcast_node;
588 __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
589 struct ath_buf *av_bcbuf;
590 struct ath_chanctx *chanctx;
593 struct ieee80211_noa_data noa;
597 u32 offchannel_start;
598 u32 offchannel_duration;
600 /* These are used for both periodic and one-shot */
606 struct ath9k_vif_iter_data {
607 u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
608 u8 mask[ETH_ALEN]; /* bssid mask */
613 int naps; /* number of AP vifs */
614 int nmeshes; /* number of mesh vifs */
615 int nstations; /* number of station vifs */
616 int nwds; /* number of WDS vifs */
617 int nadhocs; /* number of adhoc vifs */
618 struct ieee80211_vif *primary_sta;
621 void ath9k_calculate_iter_data(struct ath_softc *sc,
622 struct ath_chanctx *ctx,
623 struct ath9k_vif_iter_data *iter_data);
624 void ath9k_calculate_summary_state(struct ath_softc *sc,
625 struct ath_chanctx *ctx);
627 /*******************/
628 /* Beacon Handling */
629 /*******************/
632 * Regardless of the number of beacons we stagger, (i.e. regardless of the
633 * number of BSSIDs) if a given beacon does not go out even after waiting this
634 * number of beacon intervals, the game's up.
636 #define BSTUCK_THRESH 9
638 #define ATH_DEFAULT_BINTVAL 100 /* TU */
639 #define ATH_DEFAULT_BMISS_LIMIT 10
641 #define TSF_TO_TU(_h,_l) \
642 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
646 OK, /* no change needed */
647 UPDATE, /* update pending */
648 COMMIT /* beacon sent, commit change */
649 } updateslot; /* slot time update fsm */
653 struct ieee80211_vif *bslot[ATH_BCBUF];
656 struct ath_descdma bdma;
657 struct ath_txq *cabq;
658 struct list_head bbuf;
664 void ath9k_beacon_tasklet(unsigned long data);
665 void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif,
667 void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
668 void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
669 void ath9k_set_beacon(struct ath_softc *sc);
670 bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif);
671 void ath9k_csa_update(struct ath_softc *sc);
673 /*******************/
674 /* Link Monitoring */
675 /*******************/
677 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
678 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
679 #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */
680 #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */
681 #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */
682 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
683 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
684 #define ATH_ANI_MAX_SKIP_COUNT 10
685 #define ATH_PAPRD_TIMEOUT 100 /* msecs */
686 #define ATH_PLL_WORK_INTERVAL 100
688 void ath_tx_complete_poll_work(struct work_struct *work);
689 void ath_reset_work(struct work_struct *work);
690 bool ath_hw_check(struct ath_softc *sc);
691 void ath_hw_pll_work(struct work_struct *work);
692 void ath_paprd_calibrate(struct work_struct *work);
693 void ath_ani_calibrate(unsigned long data);
694 void ath_start_ani(struct ath_softc *sc);
695 void ath_stop_ani(struct ath_softc *sc);
696 void ath_check_ani(struct ath_softc *sc);
697 int ath_update_survey_stats(struct ath_softc *sc);
698 void ath_update_survey_nf(struct ath_softc *sc, int channel);
699 void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type);
700 void ath_ps_full_sleep(unsigned long data);
701 void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
707 #define ATH_DUMP_BTCOEX(_s, _val) \
709 len += scnprintf(buf + len, size - len, \
710 "%20s : %10d\n", _s, (_val)); \
714 BT_OP_PRIORITY_DETECTED,
719 spinlock_t btcoex_lock;
720 struct timer_list period_timer; /* Timer for BT period */
721 struct timer_list no_stomp_timer;
723 unsigned long bt_priority_time;
724 unsigned long op_flags;
725 int bt_stomp_type; /* Types of BT stomping */
726 u32 btcoex_no_stomp; /* in msec */
727 u32 btcoex_period; /* in msec */
728 u32 btscan_no_stomp; /* in msec */
732 struct ath_mci_profile mci;
736 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
737 int ath9k_init_btcoex(struct ath_softc *sc);
738 void ath9k_deinit_btcoex(struct ath_softc *sc);
739 void ath9k_start_btcoex(struct ath_softc *sc);
740 void ath9k_stop_btcoex(struct ath_softc *sc);
741 void ath9k_btcoex_timer_resume(struct ath_softc *sc);
742 void ath9k_btcoex_timer_pause(struct ath_softc *sc);
743 void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
744 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
745 void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc);
746 int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size);
748 static inline int ath9k_init_btcoex(struct ath_softc *sc)
752 static inline void ath9k_deinit_btcoex(struct ath_softc *sc)
755 static inline void ath9k_start_btcoex(struct ath_softc *sc)
758 static inline void ath9k_stop_btcoex(struct ath_softc *sc)
761 static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc,
765 static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
766 u32 max_4ms_framelen)
770 static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
773 static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
777 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
779 /********************/
781 /********************/
783 #define ATH_LED_PIN_DEF 1
784 #define ATH_LED_PIN_9287 8
785 #define ATH_LED_PIN_9300 10
786 #define ATH_LED_PIN_9485 6
787 #define ATH_LED_PIN_9462 4
789 #ifdef CONFIG_MAC80211_LEDS
790 void ath_init_leds(struct ath_softc *sc);
791 void ath_deinit_leds(struct ath_softc *sc);
792 void ath_fill_led_pin(struct ath_softc *sc);
794 static inline void ath_init_leds(struct ath_softc *sc)
798 static inline void ath_deinit_leds(struct ath_softc *sc)
801 static inline void ath_fill_led_pin(struct ath_softc *sc)
806 /************************/
807 /* Wake on Wireless LAN */
808 /************************/
810 struct ath9k_wow_pattern {
811 u8 pattern_bytes[MAX_PATTERN_SIZE];
812 u8 mask_bytes[MAX_PATTERN_SIZE];
816 #ifdef CONFIG_ATH9K_WOW
817 void ath9k_init_wow(struct ieee80211_hw *hw);
818 int ath9k_suspend(struct ieee80211_hw *hw,
819 struct cfg80211_wowlan *wowlan);
820 int ath9k_resume(struct ieee80211_hw *hw);
821 void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled);
823 static inline void ath9k_init_wow(struct ieee80211_hw *hw)
826 static inline int ath9k_suspend(struct ieee80211_hw *hw,
827 struct cfg80211_wowlan *wowlan)
831 static inline int ath9k_resume(struct ieee80211_hw *hw)
835 static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled)
838 #endif /* CONFIG_ATH9K_WOW */
840 /*******************************/
841 /* Antenna diversity/combining */
842 /*******************************/
844 #define ATH_ANT_RX_CURRENT_SHIFT 4
845 #define ATH_ANT_RX_MAIN_SHIFT 2
846 #define ATH_ANT_RX_MASK 0x3
848 #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50
849 #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100
850 #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200
851 #define ATH_ANT_DIV_COMB_INIT_COUNT 95
852 #define ATH_ANT_DIV_COMB_MAX_COUNT 100
853 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30
854 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20
855 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50
856 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50
858 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4
859 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2
860 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2
862 struct ath_ant_comb {
882 enum ath9k_ant_div_comb_lna_conf main_conf;
883 enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf;
884 enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf;
887 unsigned long scan_start_time;
890 * Card-specific config values.
896 void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs);
898 /********************/
899 /* Main driver core */
900 /********************/
902 #define ATH9K_PCI_CUS198 0x0001
903 #define ATH9K_PCI_CUS230 0x0002
904 #define ATH9K_PCI_CUS217 0x0004
905 #define ATH9K_PCI_CUS252 0x0008
906 #define ATH9K_PCI_WOW 0x0010
907 #define ATH9K_PCI_BT_ANT_DIV 0x0020
908 #define ATH9K_PCI_D3_L1_WAR 0x0040
909 #define ATH9K_PCI_AR9565_1ANT 0x0080
910 #define ATH9K_PCI_AR9565_2ANT 0x0100
911 #define ATH9K_PCI_NO_PLL_PWRSAVE 0x0200
912 #define ATH9K_PCI_KILLER 0x0400
915 * Default cache line size, in bytes.
916 * Used when PCI device not fully initialized by bootrom/BIOS
918 #define DEFAULT_CACHELINE 32
919 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
920 #define ATH_TXPOWER_MAX 100 /* .5 dBm units */
921 #define MAX_GTT_CNT 5
923 /* Powersave flags */
924 #define PS_WAIT_FOR_BEACON BIT(0)
925 #define PS_WAIT_FOR_CAB BIT(1)
926 #define PS_WAIT_FOR_PSPOLL_DATA BIT(2)
927 #define PS_WAIT_FOR_TX_ACK BIT(3)
928 #define PS_BEACON_SYNC BIT(4)
929 #define PS_WAIT_FOR_ANI BIT(5)
931 #define ATH9K_NUM_CHANCTX 2 /* supports 2 operating channels */
934 struct ieee80211_hw *hw;
937 struct survey_info *cur_survey;
938 struct survey_info survey[ATH9K_NUM_CHANNELS];
940 struct tasklet_struct intr_tq;
941 struct tasklet_struct bcon_tasklet;
942 struct ath_hw *sc_ah;
945 spinlock_t sc_serial_rw;
946 spinlock_t sc_pm_lock;
947 spinlock_t sc_pcu_lock;
949 struct work_struct paprd_work;
950 struct work_struct hw_reset_work;
951 struct completion paprd_complete;
952 wait_queue_head_t tx_wait;
954 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
955 struct work_struct chanctx_work;
956 struct ath_gen_timer *p2p_ps_timer;
957 struct ath_vif *p2p_ps_vif;
958 struct ath_chanctx_sched sched;
959 struct ath_offchannel offchannel;
960 struct ath_chanctx *next_chan;
963 unsigned long driver_data;
967 u16 ps_flags; /* PS_* */
972 unsigned long ps_usecount;
976 struct ath_beacon beacon;
978 struct cfg80211_chan_def cur_chandef;
979 struct ath_chanctx chanctx[ATH9K_NUM_CHANCTX];
980 struct ath_chanctx *cur_chan;
981 spinlock_t chan_lock;
983 #ifdef CONFIG_MAC80211_LEDS
986 struct led_classdev led_cdev;
989 #ifdef CONFIG_ATH9K_DEBUGFS
990 struct ath9k_debug debug;
992 struct delayed_work tx_complete_work;
993 struct delayed_work hw_pll_work;
994 struct timer_list sleep_timer;
996 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
997 struct ath_btcoex btcoex;
998 struct ath_mci_coex mci_coex;
999 struct work_struct mci_work;
1002 struct ath_descdma txsdma;
1004 struct ath_ant_comb ant_comb;
1006 struct dfs_pattern_detector *dfs_detector;
1007 u64 dfs_prev_pulse_ts;
1009 /* relay(fs) channel for spectral scan */
1010 struct rchan *rfs_chan_spec_scan;
1011 enum spectral_mode spectral_mode;
1012 struct ath_spec_scan spec_config;
1014 struct ieee80211_vif *tx99_vif;
1015 struct sk_buff *tx99_skb;
1019 #ifdef CONFIG_ATH9K_WOW
1020 atomic_t wow_got_bmiss_intr;
1021 atomic_t wow_sleep_proc_intr; /* in the middle of WoW sleep ? */
1022 u32 wow_intr_before_sleep;
1030 #ifdef CONFIG_ATH9K_TX99
1031 void ath9k_tx99_init_debug(struct ath_softc *sc);
1032 int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb,
1033 struct ath_tx_control *txctl);
1035 static inline void ath9k_tx99_init_debug(struct ath_softc *sc)
1038 static inline int ath9k_tx99_send(struct ath_softc *sc,
1039 struct sk_buff *skb,
1040 struct ath_tx_control *txctl)
1044 #endif /* CONFIG_ATH9K_TX99 */
1046 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
1048 common->bus_ops->read_cachesize(common, csz);
1051 void ath9k_tasklet(unsigned long data);
1052 int ath_cabq_update(struct ath_softc *);
1053 u8 ath9k_parse_mpdudensity(u8 mpdudensity);
1054 irqreturn_t ath_isr(int irq, void *dev);
1055 int ath_reset(struct ath_softc *sc);
1056 void ath_cancel_work(struct ath_softc *sc);
1057 void ath_restart_work(struct ath_softc *sc);
1058 int ath9k_init_device(u16 devid, struct ath_softc *sc,
1059 const struct ath_bus_ops *bus_ops);
1060 void ath9k_deinit_device(struct ath_softc *sc);
1061 void ath9k_reload_chainmask_settings(struct ath_softc *sc);
1062 u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
1063 void ath_start_rfkill_poll(struct ath_softc *sc);
1064 void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
1065 void ath9k_ps_wakeup(struct ath_softc *sc);
1066 void ath9k_ps_restore(struct ath_softc *sc);
1068 #ifdef CONFIG_ATH9K_PCI
1069 int ath_pci_init(void);
1070 void ath_pci_exit(void);
1072 static inline int ath_pci_init(void) { return 0; };
1073 static inline void ath_pci_exit(void) {};
1076 #ifdef CONFIG_ATH9K_AHB
1077 int ath_ahb_init(void);
1078 void ath_ahb_exit(void);
1080 static inline int ath_ahb_init(void) { return 0; };
1081 static inline void ath_ahb_exit(void) {};
1084 #endif /* ATH9K_H */