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17#ifndef HTC_H
18#define HTC_H
19
20#include <linux/module.h>
21#include <linux/usb.h>
22#include <linux/firmware.h>
23#include <linux/skbuff.h>
24#include <linux/netdevice.h>
25#include <linux/etherdevice.h>
26#include <linux/leds.h>
27#include <linux/slab.h>
28#include <net/mac80211.h>
29
30#include "common.h"
31#include "htc_hst.h"
32#include "hif_usb.h"
33#include "wmi.h"
34
35#define ATH_STA_SHORT_CALINTERVAL 1000
36#define ATH_AP_SHORT_CALINTERVAL 100
37#define ATH_ANI_POLLINTERVAL 100
38#define ATH_LONG_CALINTERVAL 30000
39#define ATH_RESTART_CALINTERVAL 1200000
40
41#define ATH_DEFAULT_BMISS_LIMIT 10
42#define TSF_TO_TU(_h, _l) \
43 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
44
45extern struct ieee80211_ops ath9k_htc_ops;
46extern int htc_modparam_nohwcrypt;
47#ifdef CONFIG_MAC80211_LEDS
48extern int ath9k_htc_led_blink;
49#endif
50
51enum htc_phymode {
52 HTC_MODE_11NA = 0,
53 HTC_MODE_11NG = 1
54};
55
56enum htc_opmode {
57 HTC_M_STA = 1,
58 HTC_M_IBSS = 0,
59 HTC_M_AHDEMO = 3,
60 HTC_M_HOSTAP = 6,
61 HTC_M_MONITOR = 8,
62 HTC_M_WDS = 2
63};
64
65#define ATH9K_HTC_AMPDU 1
66#define ATH9K_HTC_NORMAL 2
67#define ATH9K_HTC_BEACON 3
68#define ATH9K_HTC_MGMT 4
69
70#define ATH9K_HTC_TX_CTSONLY 0x1
71#define ATH9K_HTC_TX_RTSCTS 0x2
72
73struct tx_frame_hdr {
74 u8 data_type;
75 u8 node_idx;
76 u8 vif_idx;
77 u8 tidno;
78 __be32 flags;
79 u8 key_type;
80 u8 keyix;
81 u8 cookie;
82 u8 pad;
83} __packed;
84
85struct tx_mgmt_hdr {
86 u8 node_idx;
87 u8 vif_idx;
88 u8 tidno;
89 u8 flags;
90 u8 key_type;
91 u8 keyix;
92 u8 cookie;
93 u8 pad;
94} __packed;
95
96struct tx_beacon_header {
97 u8 vif_index;
98 u8 len_changed;
99 u16 rev;
100} __packed;
101
102#define MAX_TX_AMPDU_SUBFRAMES_9271 17
103#define MAX_TX_AMPDU_SUBFRAMES_7010 22
104
105struct ath9k_htc_cap_target {
106 __be32 ampdu_limit;
107 u8 ampdu_subframes;
108 u8 enable_coex;
109 u8 tx_chainmask;
110 u8 pad;
111} __packed;
112
113struct ath9k_htc_target_vif {
114 u8 index;
115 u8 opmode;
116 u8 myaddr[ETH_ALEN];
117 u8 ath_cap;
118 __be16 rtsthreshold;
119 u8 pad;
120} __packed;
121
122struct ath9k_htc_target_sta {
123 u8 macaddr[ETH_ALEN];
124 u8 bssid[ETH_ALEN];
125 u8 sta_index;
126 u8 vif_index;
127 u8 is_vif_sta;
128 __be16 flags;
129 __be16 htcap;
130 __be16 maxampdu;
131 u8 pad;
132} __packed;
133
134struct ath9k_htc_target_aggr {
135 u8 sta_index;
136 u8 tidno;
137 u8 aggr_enable;
138 u8 padding;
139} __packed;
140
141#define ATH_HTC_RATE_MAX 30
142
143#define WLAN_RC_DS_FLAG 0x01
144#define WLAN_RC_40_FLAG 0x02
145#define WLAN_RC_SGI_FLAG 0x04
146#define WLAN_RC_HT_FLAG 0x08
147#define ATH_RC_TX_STBC_FLAG 0x20
148
149struct ath9k_htc_rateset {
150 u8 rs_nrates;
151 u8 rs_rates[ATH_HTC_RATE_MAX];
152};
153
154struct ath9k_htc_rate {
155 struct ath9k_htc_rateset legacy_rates;
156 struct ath9k_htc_rateset ht_rates;
157} __packed;
158
159struct ath9k_htc_target_rate {
160 u8 sta_index;
161 u8 isnew;
162 __be32 capflags;
163 struct ath9k_htc_rate rates;
164};
165
166struct ath9k_htc_target_rate_mask {
167 u8 vif_index;
168 u8 band;
169 __be32 mask;
170 u16 pad;
171} __packed;
172
173struct ath9k_htc_target_int_stats {
174 __be32 rx;
175 __be32 rxorn;
176 __be32 rxeol;
177 __be32 txurn;
178 __be32 txto;
179 __be32 cst;
180} __packed;
181
182struct ath9k_htc_target_tx_stats {
183 __be32 xretries;
184 __be32 fifoerr;
185 __be32 filtered;
186 __be32 timer_exp;
187 __be32 shortretries;
188 __be32 longretries;
189 __be32 qnull;
190 __be32 encap_fail;
191 __be32 nobuf;
192} __packed;
193
194struct ath9k_htc_target_rx_stats {
195 __be32 nobuf;
196 __be32 host_send;
197 __be32 host_done;
198} __packed;
199
200#define ATH9K_HTC_MAX_VIF 2
201#define ATH9K_HTC_MAX_BCN_VIF 2
202
203#define INC_VIF(_priv, _type) do { \
204 switch (_type) { \
205 case NL80211_IFTYPE_STATION: \
206 _priv->num_sta_vif++; \
207 break; \
208 case NL80211_IFTYPE_ADHOC: \
209 _priv->num_ibss_vif++; \
210 break; \
211 case NL80211_IFTYPE_AP: \
212 _priv->num_ap_vif++; \
213 break; \
214 case NL80211_IFTYPE_MESH_POINT: \
215 _priv->num_mbss_vif++; \
216 break; \
217 default: \
218 break; \
219 } \
220 } while (0)
221
222#define DEC_VIF(_priv, _type) do { \
223 switch (_type) { \
224 case NL80211_IFTYPE_STATION: \
225 _priv->num_sta_vif--; \
226 break; \
227 case NL80211_IFTYPE_ADHOC: \
228 _priv->num_ibss_vif--; \
229 break; \
230 case NL80211_IFTYPE_AP: \
231 _priv->num_ap_vif--; \
232 break; \
233 case NL80211_IFTYPE_MESH_POINT: \
234 _priv->num_mbss_vif--; \
235 break; \
236 default: \
237 break; \
238 } \
239 } while (0)
240
241struct ath9k_htc_vif {
242 u8 index;
243 u16 seq_no;
244 bool beacon_configured;
245 int bslot;
246 __le64 tsfadjust;
247};
248
249struct ath9k_vif_iter_data {
250 const u8 *hw_macaddr;
251 u8 mask[ETH_ALEN];
252};
253
254#define ATH9K_HTC_MAX_STA 8
255#define ATH9K_HTC_MAX_TID 8
256
257enum tid_aggr_state {
258 AGGR_STOP = 0,
259 AGGR_PROGRESS,
260 AGGR_START,
261 AGGR_OPERATIONAL
262};
263
264struct ath9k_htc_sta {
265 u8 index;
266 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
267 struct work_struct rc_update_work;
268 struct ath9k_htc_priv *htc_priv;
269};
270
271#define ATH9K_HTC_RXBUF 256
272#define HTC_RX_FRAME_HEADER_SIZE 40
273
274struct ath9k_htc_rxbuf {
275 bool in_process;
276 struct sk_buff *skb;
277 struct ath_htc_rx_status rxstatus;
278 struct list_head list;
279};
280
281struct ath9k_htc_rx {
282 struct list_head rxbuf;
283 spinlock_t rxbuflock;
284};
285
286#define ATH9K_HTC_TX_CLEANUP_INTERVAL 50
287#define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000
288#define ATH9K_HTC_TX_RESERVE 10
289#define ATH9K_HTC_TX_TIMEOUT_COUNT 40
290#define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE)
291
292#define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0)
293#define ATH9K_HTC_OP_TX_DRAIN BIT(1)
294
295struct ath9k_htc_tx {
296 u8 flags;
297 int queued_cnt;
298 struct sk_buff_head mgmt_ep_queue;
299 struct sk_buff_head cab_ep_queue;
300 struct sk_buff_head data_be_queue;
301 struct sk_buff_head data_bk_queue;
302 struct sk_buff_head data_vi_queue;
303 struct sk_buff_head data_vo_queue;
304 struct sk_buff_head tx_failed;
305 DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM);
306 struct timer_list cleanup_timer;
307 spinlock_t tx_lock;
308};
309
310struct ath9k_htc_tx_ctl {
311 u8 type;
312 u8 epid;
313 u8 txok;
314 u8 sta_idx;
315 unsigned long timestamp;
316};
317
318static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb)
319{
320 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
321
322 BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) >
323 IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
324 return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data;
325}
326
327#ifdef CONFIG_ATH9K_HTC_DEBUGFS
328
329#define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
330#define TX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a)
331#define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c++)
332#define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c += a)
333#define CAB_STAT_INC priv->debug.tx_stats.cab_queued++
334
335#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
336
337void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
338 struct ath_rx_status *rs);
339
340struct ath_tx_stats {
341 u32 buf_queued;
342 u32 buf_completed;
343 u32 skb_queued;
344 u32 skb_success;
345 u32 skb_success_bytes;
346 u32 skb_failed;
347 u32 cab_queued;
348 u32 queue_stats[IEEE80211_NUM_ACS];
349};
350
351struct ath_skbrx_stats {
352 u32 skb_allocated;
353 u32 skb_completed;
354 u32 skb_completed_bytes;
355 u32 skb_dropped;
356};
357
358struct ath9k_debug {
359 struct dentry *debugfs_phy;
360 struct ath_tx_stats tx_stats;
361 struct ath_rx_stats rx_stats;
362 struct ath_skbrx_stats skbrx_stats;
363};
364
365void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
366 struct ieee80211_vif *vif,
367 u32 sset, u8 *data);
368int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
369 struct ieee80211_vif *vif, int sset);
370void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
371 struct ieee80211_vif *vif,
372 struct ethtool_stats *stats, u64 *data);
373#else
374
375#define TX_STAT_INC(c) do { } while (0)
376#define TX_STAT_ADD(c, a) do { } while (0)
377#define RX_STAT_INC(c) do { } while (0)
378#define RX_STAT_ADD(c, a) do { } while (0)
379#define CAB_STAT_INC do { } while (0)
380
381#define TX_QSTAT_INC(c) do { } while (0)
382
383static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
384 struct ath_rx_status *rs)
385{
386}
387
388#endif
389
390#define ATH_LED_PIN_DEF 1
391#define ATH_LED_PIN_9287 10
392#define ATH_LED_PIN_9271 15
393#define ATH_LED_PIN_7010 12
394
395#define BSTUCK_THRESHOLD 10
396
397
398
399
400
401#define DEFAULT_SWBA_RESPONSE 40
402#define MIN_SWBA_RESPONSE 10
403
404struct htc_beacon {
405 enum {
406 OK,
407 UPDATE,
408 COMMIT
409 } updateslot;
410
411 struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
412 u32 bmisscnt;
413 u32 beaconq;
414 int slottime;
415 int slotupdate;
416};
417
418struct ath_btcoex {
419 u32 bt_priority_cnt;
420 unsigned long bt_priority_time;
421 int bt_stomp_type;
422 u32 btcoex_no_stomp;
423 u32 btcoex_period;
424 u32 btscan_no_stomp;
425};
426
427#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
428void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product);
429void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv);
430void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv);
431#else
432static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
433{
434}
435static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
436{
437}
438static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv)
439{
440}
441#endif
442
443#define OP_BT_PRIORITY_DETECTED 3
444#define OP_BT_SCAN 4
445#define OP_TSF_RESET 6
446
447enum htc_op_flags {
448 HTC_FWFLAG_NO_RMW,
449};
450
451struct ath9k_htc_priv {
452 struct device *dev;
453 struct ieee80211_hw *hw;
454 struct ath_hw *ah;
455 struct htc_target *htc;
456 struct wmi *wmi;
457
458 u16 fw_version_major;
459 u16 fw_version_minor;
460
461 enum htc_endpoint_id wmi_cmd_ep;
462 enum htc_endpoint_id beacon_ep;
463 enum htc_endpoint_id cab_ep;
464 enum htc_endpoint_id uapsd_ep;
465 enum htc_endpoint_id mgmt_ep;
466 enum htc_endpoint_id data_be_ep;
467 enum htc_endpoint_id data_bk_ep;
468 enum htc_endpoint_id data_vi_ep;
469 enum htc_endpoint_id data_vo_ep;
470
471 u8 vif_slot;
472 u8 mon_vif_idx;
473 u8 sta_slot;
474 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
475 u8 num_ibss_vif;
476 u8 num_mbss_vif;
477 u8 num_sta_vif;
478 u8 num_sta_assoc_vif;
479 u8 num_ap_vif;
480
481 u16 curtxpow;
482 u16 txpowlimit;
483 u16 nvifs;
484 u16 nstations;
485 bool rearm_ani;
486 bool reconfig_beacon;
487 unsigned int rxfilter;
488 unsigned long op_flags;
489 unsigned long fw_flags;
490
491 struct ath9k_hw_cal_data caldata;
492 struct ath_spec_scan_priv spec_priv;
493
494 spinlock_t beacon_lock;
495 struct ath_beacon_config cur_beacon_conf;
496 struct htc_beacon beacon;
497
498 struct ath9k_htc_rx rx;
499 struct ath9k_htc_tx tx;
500
501 struct tasklet_struct swba_tasklet;
502 struct tasklet_struct rx_tasklet;
503 struct delayed_work ani_work;
504 struct tasklet_struct tx_failed_tasklet;
505 struct work_struct ps_work;
506 struct work_struct fatal_work;
507
508 struct mutex htc_pm_lock;
509 unsigned long ps_usecount;
510 bool ps_enabled;
511 bool ps_idle;
512
513#ifdef CONFIG_MAC80211_LEDS
514 enum led_brightness brightness;
515 bool led_registered;
516 char led_name[32];
517 struct led_classdev led_cdev;
518 struct work_struct led_work;
519#endif
520
521 int cabq;
522 int hwq_map[IEEE80211_NUM_ACS];
523
524#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
525 struct ath_btcoex btcoex;
526#endif
527
528 struct delayed_work coex_period_work;
529 struct delayed_work duty_cycle_work;
530#ifdef CONFIG_ATH9K_HTC_DEBUGFS
531 struct ath9k_debug debug;
532#endif
533 struct mutex mutex;
534 struct ieee80211_vif *csa_vif;
535};
536
537static inline void ath_read_cachesize(struct ath_common *common, int *csz)
538{
539 common->bus_ops->read_cachesize(common, csz);
540}
541
542void ath9k_htc_reset(struct ath9k_htc_priv *priv);
543
544void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
545 struct ieee80211_vif *vif);
546void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
547 struct ieee80211_vif *vif);
548void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
549 struct ieee80211_vif *vif);
550void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
551void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
552 struct ieee80211_vif *vif);
553void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
554void ath9k_htc_swba(struct ath9k_htc_priv *priv,
555 struct wmi_event_swba *swba);
556
557void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
558 enum htc_endpoint_id ep_id);
559void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
560 bool txok);
561void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
562 enum htc_endpoint_id ep_id, bool txok);
563
564int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
565 u8 enable_coex);
566void ath9k_htc_ani_work(struct work_struct *work);
567void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
568void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
569
570int ath9k_tx_init(struct ath9k_htc_priv *priv);
571int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
572 struct ieee80211_sta *sta,
573 struct sk_buff *skb, u8 slot, bool is_cab);
574void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
575bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
576int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
577int get_hw_qnum(u16 queue, int *hwq_map);
578int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
579 struct ath9k_tx_queue_info *qinfo);
580void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
581void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
582int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
583void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
584void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
585void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
586void ath9k_tx_failed_tasklet(struct tasklet_struct *t);
587void ath9k_htc_tx_cleanup_timer(struct timer_list *t);
588bool ath9k_htc_csa_is_finished(struct ath9k_htc_priv *priv);
589
590int ath9k_rx_init(struct ath9k_htc_priv *priv);
591void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
592void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
593void ath9k_rx_tasklet(struct tasklet_struct *t);
594u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
595
596void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
597void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
598void ath9k_ps_work(struct work_struct *work);
599bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
600 enum ath9k_power_mode mode);
601
602void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
603void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
604
605struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
606
607#ifdef CONFIG_MAC80211_LEDS
608void ath9k_configure_leds(struct ath9k_htc_priv *priv);
609void ath9k_init_leds(struct ath9k_htc_priv *priv);
610void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
611void ath9k_led_work(struct work_struct *work);
612#else
613static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv)
614{
615}
616
617static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
618{
619}
620
621static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
622{
623}
624
625static inline void ath9k_led_work(struct work_struct *work)
626{
627}
628#endif
629
630int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
631 u16 devid, char *product, u32 drv_info);
632void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
633#ifdef CONFIG_PM
634void ath9k_htc_suspend(struct htc_target *htc_handle);
635int ath9k_htc_resume(struct htc_target *htc_handle);
636#endif
637#ifdef CONFIG_ATH9K_HTC_DEBUGFS
638int ath9k_htc_init_debug(struct ath_hw *ah);
639void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv);
640#else
641static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
642static inline void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv)
643{
644}
645#endif
646
647#endif
648
