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1/*
2 * Copyright (c) 2010-2011 Atheros Communications Inc.
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 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/leds.h>
26#include <linux/slab.h>
27#include <net/mac80211.h>
28
29#include "common.h"
30#include "htc_hst.h"
31#include "hif_usb.h"
32#include "wmi.h"
33
34#define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
35#define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
36#define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
37#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
38#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
39
40#define ATH_DEFAULT_BMISS_LIMIT 10
41#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
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
48enum htc_phymode {
49 HTC_MODE_11NA = 0,
50 HTC_MODE_11NG = 1
51};
52
53enum htc_opmode {
54 HTC_M_STA = 1,
55 HTC_M_IBSS = 0,
56 HTC_M_AHDEMO = 3,
57 HTC_M_HOSTAP = 6,
58 HTC_M_MONITOR = 8,
59 HTC_M_WDS = 2
60};
61
62#define ATH9K_HTC_AMPDU 1
63#define ATH9K_HTC_NORMAL 2
64#define ATH9K_HTC_BEACON 3
65#define ATH9K_HTC_MGMT 4
66
67#define ATH9K_HTC_TX_CTSONLY 0x1
68#define ATH9K_HTC_TX_RTSCTS 0x2
69
70struct tx_frame_hdr {
71 u8 data_type;
72 u8 node_idx;
73 u8 vif_idx;
74 u8 tidno;
75 __be32 flags; /* ATH9K_HTC_TX_* */
76 u8 key_type;
77 u8 keyix;
78 u8 cookie;
79 u8 pad;
80} __packed;
81
82struct tx_mgmt_hdr {
83 u8 node_idx;
84 u8 vif_idx;
85 u8 tidno;
86 u8 flags;
87 u8 key_type;
88 u8 keyix;
89 u8 cookie;
90 u8 pad;
91} __packed;
92
93struct tx_beacon_header {
94 u8 vif_index;
95 u8 len_changed;
96 u16 rev;
97} __packed;
98
99#define MAX_TX_AMPDU_SUBFRAMES_9271 17
100#define MAX_TX_AMPDU_SUBFRAMES_7010 22
101
102struct ath9k_htc_cap_target {
103 __be32 ampdu_limit;
104 u8 ampdu_subframes;
105 u8 enable_coex;
106 u8 tx_chainmask;
107 u8 pad;
108} __packed;
109
110struct ath9k_htc_target_vif {
111 u8 index;
112 u8 opmode;
113 u8 myaddr[ETH_ALEN];
114 u8 ath_cap;
115 __be16 rtsthreshold;
116 u8 pad;
117} __packed;
118
119struct ath9k_htc_target_sta {
120 u8 macaddr[ETH_ALEN];
121 u8 bssid[ETH_ALEN];
122 u8 sta_index;
123 u8 vif_index;
124 u8 is_vif_sta;
125 __be16 flags;
126 __be16 htcap;
127 __be16 maxampdu;
128 u8 pad;
129} __packed;
130
131struct ath9k_htc_target_aggr {
132 u8 sta_index;
133 u8 tidno;
134 u8 aggr_enable;
135 u8 padding;
136} __packed;
137
138#define ATH_HTC_RATE_MAX 30
139
140#define WLAN_RC_DS_FLAG 0x01
141#define WLAN_RC_40_FLAG 0x02
142#define WLAN_RC_SGI_FLAG 0x04
143#define WLAN_RC_HT_FLAG 0x08
144
145struct ath9k_htc_rateset {
146 u8 rs_nrates;
147 u8 rs_rates[ATH_HTC_RATE_MAX];
148};
149
150struct ath9k_htc_rate {
151 struct ath9k_htc_rateset legacy_rates;
152 struct ath9k_htc_rateset ht_rates;
153} __packed;
154
155struct ath9k_htc_target_rate {
156 u8 sta_index;
157 u8 isnew;
158 __be32 capflags;
159 struct ath9k_htc_rate rates;
160};
161
162struct ath9k_htc_target_rate_mask {
163 u8 vif_index;
164 u8 band;
165 __be32 mask;
166 u16 pad;
167} __packed;
168
169struct ath9k_htc_target_int_stats {
170 __be32 rx;
171 __be32 rxorn;
172 __be32 rxeol;
173 __be32 txurn;
174 __be32 txto;
175 __be32 cst;
176} __packed;
177
178struct ath9k_htc_target_tx_stats {
179 __be32 xretries;
180 __be32 fifoerr;
181 __be32 filtered;
182 __be32 timer_exp;
183 __be32 shortretries;
184 __be32 longretries;
185 __be32 qnull;
186 __be32 encap_fail;
187 __be32 nobuf;
188} __packed;
189
190struct ath9k_htc_target_rx_stats {
191 __be32 nobuf;
192 __be32 host_send;
193 __be32 host_done;
194} __packed;
195
196#define ATH9K_HTC_MAX_VIF 2
197#define ATH9K_HTC_MAX_BCN_VIF 2
198
199#define INC_VIF(_priv, _type) do { \
200 switch (_type) { \
201 case NL80211_IFTYPE_STATION: \
202 _priv->num_sta_vif++; \
203 break; \
204 case NL80211_IFTYPE_ADHOC: \
205 _priv->num_ibss_vif++; \
206 break; \
207 case NL80211_IFTYPE_AP: \
208 _priv->num_ap_vif++; \
209 break; \
210 default: \
211 break; \
212 } \
213 } while (0)
214
215#define DEC_VIF(_priv, _type) do { \
216 switch (_type) { \
217 case NL80211_IFTYPE_STATION: \
218 _priv->num_sta_vif--; \
219 break; \
220 case NL80211_IFTYPE_ADHOC: \
221 _priv->num_ibss_vif--; \
222 break; \
223 case NL80211_IFTYPE_AP: \
224 _priv->num_ap_vif--; \
225 break; \
226 default: \
227 break; \
228 } \
229 } while (0)
230
231struct ath9k_htc_vif {
232 u8 index;
233 u16 seq_no;
234 bool beacon_configured;
235 int bslot;
236 __le64 tsfadjust;
237};
238
239struct ath9k_vif_iter_data {
240 const u8 *hw_macaddr;
241 u8 mask[ETH_ALEN];
242};
243
244#define ATH9K_HTC_MAX_STA 8
245#define ATH9K_HTC_MAX_TID 8
246
247enum tid_aggr_state {
248 AGGR_STOP = 0,
249 AGGR_PROGRESS,
250 AGGR_START,
251 AGGR_OPERATIONAL
252};
253
254struct ath9k_htc_sta {
255 u8 index;
256 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
257};
258
259#define ATH9K_HTC_RXBUF 256
260#define HTC_RX_FRAME_HEADER_SIZE 40
261
262struct ath9k_htc_rxbuf {
263 bool in_process;
264 struct sk_buff *skb;
265 struct ath_htc_rx_status rxstatus;
266 struct list_head list;
267};
268
269struct ath9k_htc_rx {
270 int last_rssi; /* FIXME: per-STA */
271 struct list_head rxbuf;
272 spinlock_t rxbuflock;
273};
274
275#define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */
276#define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */
277#define ATH9K_HTC_TX_RESERVE 10
278#define ATH9K_HTC_TX_TIMEOUT_COUNT 40
279#define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE)
280
281#define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0)
282#define ATH9K_HTC_OP_TX_DRAIN BIT(1)
283
284struct ath9k_htc_tx {
285 u8 flags;
286 int queued_cnt;
287 struct sk_buff_head mgmt_ep_queue;
288 struct sk_buff_head cab_ep_queue;
289 struct sk_buff_head data_be_queue;
290 struct sk_buff_head data_bk_queue;
291 struct sk_buff_head data_vi_queue;
292 struct sk_buff_head data_vo_queue;
293 struct sk_buff_head tx_failed;
294 DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM);
295 struct timer_list cleanup_timer;
296 spinlock_t tx_lock;
297};
298
299struct ath9k_htc_tx_ctl {
300 u8 type; /* ATH9K_HTC_* */
301 u8 epid;
302 u8 txok;
303 u8 sta_idx;
304 unsigned long timestamp;
305};
306
307static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb)
308{
309 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
310
311 BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) >
312 IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
313 return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data;
314}
315
316#ifdef CONFIG_ATH9K_HTC_DEBUGFS
317
318#define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
319#define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
320#define CAB_STAT_INC priv->debug.tx_stats.cab_queued++
321
322#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
323
324void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
325 struct ath_htc_rx_status *rxs);
326
327struct ath_tx_stats {
328 u32 buf_queued;
329 u32 buf_completed;
330 u32 skb_queued;
331 u32 skb_success;
332 u32 skb_failed;
333 u32 cab_queued;
334 u32 queue_stats[WME_NUM_AC];
335};
336
337struct ath_rx_stats {
338 u32 skb_allocated;
339 u32 skb_completed;
340 u32 skb_dropped;
341 u32 err_crc;
342 u32 err_decrypt_crc;
343 u32 err_mic;
344 u32 err_pre_delim;
345 u32 err_post_delim;
346 u32 err_decrypt_busy;
347 u32 err_phy;
348 u32 err_phy_stats[ATH9K_PHYERR_MAX];
349};
350
351struct ath9k_debug {
352 struct dentry *debugfs_phy;
353 struct ath_tx_stats tx_stats;
354 struct ath_rx_stats rx_stats;
355};
356
357#else
358
359#define TX_STAT_INC(c) do { } while (0)
360#define RX_STAT_INC(c) do { } while (0)
361#define CAB_STAT_INC do { } while (0)
362
363#define TX_QSTAT_INC(c) do { } while (0)
364
365static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
366 struct ath_htc_rx_status *rxs)
367{
368}
369
370#endif /* CONFIG_ATH9K_HTC_DEBUGFS */
371
372#define ATH_LED_PIN_DEF 1
373#define ATH_LED_PIN_9287 10
374#define ATH_LED_PIN_9271 15
375#define ATH_LED_PIN_7010 12
376
377#define BSTUCK_THRESHOLD 10
378
379/*
380 * Adjust these when the max. no of beaconing interfaces is
381 * increased.
382 */
383#define DEFAULT_SWBA_RESPONSE 40 /* in TUs */
384#define MIN_SWBA_RESPONSE 10 /* in TUs */
385
386struct htc_beacon_config {
387 struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
388 u16 beacon_interval;
389 u16 dtim_period;
390 u16 bmiss_timeout;
391 u32 bmiss_cnt;
392};
393
394struct ath_btcoex {
395 u32 bt_priority_cnt;
396 unsigned long bt_priority_time;
397 int bt_stomp_type; /* Types of BT stomping */
398 u32 btcoex_no_stomp;
399 u32 btcoex_period;
400 u32 btscan_no_stomp;
401};
402
403void ath_htc_init_btcoex_work(struct ath9k_htc_priv *priv);
404void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv);
405void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv);
406
407#define OP_INVALID BIT(0)
408#define OP_SCANNING BIT(1)
409#define OP_ENABLE_BEACON BIT(2)
410#define OP_BT_PRIORITY_DETECTED BIT(3)
411#define OP_BT_SCAN BIT(4)
412#define OP_ANI_RUNNING BIT(5)
413#define OP_TSF_RESET BIT(6)
414
415struct ath9k_htc_priv {
416 struct device *dev;
417 struct ieee80211_hw *hw;
418 struct ath_hw *ah;
419 struct htc_target *htc;
420 struct wmi *wmi;
421
422 u16 fw_version_major;
423 u16 fw_version_minor;
424
425 enum htc_endpoint_id wmi_cmd_ep;
426 enum htc_endpoint_id beacon_ep;
427 enum htc_endpoint_id cab_ep;
428 enum htc_endpoint_id uapsd_ep;
429 enum htc_endpoint_id mgmt_ep;
430 enum htc_endpoint_id data_be_ep;
431 enum htc_endpoint_id data_bk_ep;
432 enum htc_endpoint_id data_vi_ep;
433 enum htc_endpoint_id data_vo_ep;
434
435 u8 vif_slot;
436 u8 mon_vif_idx;
437 u8 sta_slot;
438 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
439 u8 num_ibss_vif;
440 u8 num_sta_vif;
441 u8 num_sta_assoc_vif;
442 u8 num_ap_vif;
443
444 u16 op_flags;
445 u16 curtxpow;
446 u16 txpowlimit;
447 u16 nvifs;
448 u16 nstations;
449 bool rearm_ani;
450 bool reconfig_beacon;
451 unsigned int rxfilter;
452
453 struct ath9k_hw_cal_data caldata;
454 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
455
456 spinlock_t beacon_lock;
457 struct htc_beacon_config cur_beacon_conf;
458
459 struct ath9k_htc_rx rx;
460 struct ath9k_htc_tx tx;
461
462 struct tasklet_struct swba_tasklet;
463 struct tasklet_struct rx_tasklet;
464 struct delayed_work ani_work;
465 struct tasklet_struct tx_failed_tasklet;
466 struct work_struct ps_work;
467 struct work_struct fatal_work;
468
469 struct mutex htc_pm_lock;
470 unsigned long ps_usecount;
471 bool ps_enabled;
472 bool ps_idle;
473
474#ifdef CONFIG_MAC80211_LEDS
475 enum led_brightness brightness;
476 bool led_registered;
477 char led_name[32];
478 struct led_classdev led_cdev;
479 struct work_struct led_work;
480#endif
481
482 int beaconq;
483 int cabq;
484 int hwq_map[WME_NUM_AC];
485
486 struct ath_btcoex btcoex;
487 struct delayed_work coex_period_work;
488 struct delayed_work duty_cycle_work;
489#ifdef CONFIG_ATH9K_HTC_DEBUGFS
490 struct ath9k_debug debug;
491#endif
492 struct mutex mutex;
493};
494
495static inline void ath_read_cachesize(struct ath_common *common, int *csz)
496{
497 common->bus_ops->read_cachesize(common, csz);
498}
499
500void ath9k_htc_reset(struct ath9k_htc_priv *priv);
501
502void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
503 struct ieee80211_vif *vif);
504void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
505 struct ieee80211_vif *vif);
506void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
507 struct ieee80211_vif *vif);
508void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
509void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
510 struct ieee80211_vif *vif);
511void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
512void ath9k_htc_swba(struct ath9k_htc_priv *priv,
513 struct wmi_event_swba *swba);
514
515void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
516 enum htc_endpoint_id ep_id);
517void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
518 bool txok);
519void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
520 enum htc_endpoint_id ep_id, bool txok);
521
522int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
523 u8 enable_coex);
524void ath9k_htc_station_work(struct work_struct *work);
525void ath9k_htc_aggr_work(struct work_struct *work);
526void ath9k_htc_ani_work(struct work_struct *work);
527void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
528void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
529
530int ath9k_tx_init(struct ath9k_htc_priv *priv);
531int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
532 struct sk_buff *skb, u8 slot, bool is_cab);
533void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
534bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
535int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
536int get_hw_qnum(u16 queue, int *hwq_map);
537int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
538 struct ath9k_tx_queue_info *qinfo);
539void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
540void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
541int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
542void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
543void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
544void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
545void ath9k_htc_tx_failed(struct ath9k_htc_priv *priv);
546void ath9k_tx_failed_tasklet(unsigned long data);
547void ath9k_htc_tx_cleanup_timer(unsigned long data);
548
549int ath9k_rx_init(struct ath9k_htc_priv *priv);
550void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
551void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
552void ath9k_rx_tasklet(unsigned long data);
553u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
554
555void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
556void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
557void ath9k_ps_work(struct work_struct *work);
558bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
559 enum ath9k_power_mode mode);
560
561void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
562void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
563void ath9k_htc_radio_enable(struct ieee80211_hw *hw);
564void ath9k_htc_radio_disable(struct ieee80211_hw *hw);
565
566#ifdef CONFIG_MAC80211_LEDS
567void ath9k_init_leds(struct ath9k_htc_priv *priv);
568void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
569void ath9k_led_work(struct work_struct *work);
570#else
571static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
572{
573}
574
575static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
576{
577}
578
579static inline void ath9k_led_work(struct work_struct *work)
580{
581}
582#endif
583
584int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
585 u16 devid, char *product, u32 drv_info);
586void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
587#ifdef CONFIG_PM
588void ath9k_htc_suspend(struct htc_target *htc_handle);
589int ath9k_htc_resume(struct htc_target *htc_handle);
590#endif
591#ifdef CONFIG_ATH9K_HTC_DEBUGFS
592int ath9k_htc_init_debug(struct ath_hw *ah);
593#else
594static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
595#endif /* CONFIG_ATH9K_HTC_DEBUGFS */
596
597#endif /* HTC_H */
1/*
2 * Copyright (c) 2010-2011 Atheros Communications Inc.
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 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 /* 1 second */
36#define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
37#define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
38#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
39#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
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; /* ATH9K_HTC_TX_* */
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 bool initialized;
285};
286
287#define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */
288#define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */
289#define ATH9K_HTC_TX_RESERVE 10
290#define ATH9K_HTC_TX_TIMEOUT_COUNT 40
291#define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE)
292
293#define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0)
294#define ATH9K_HTC_OP_TX_DRAIN BIT(1)
295
296struct ath9k_htc_tx {
297 u8 flags;
298 int queued_cnt;
299 struct sk_buff_head mgmt_ep_queue;
300 struct sk_buff_head cab_ep_queue;
301 struct sk_buff_head data_be_queue;
302 struct sk_buff_head data_bk_queue;
303 struct sk_buff_head data_vi_queue;
304 struct sk_buff_head data_vo_queue;
305 struct sk_buff_head tx_failed;
306 DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM);
307 struct timer_list cleanup_timer;
308 spinlock_t tx_lock;
309};
310
311struct ath9k_htc_tx_ctl {
312 u8 type; /* ATH9K_HTC_* */
313 u8 epid;
314 u8 txok;
315 u8 sta_idx;
316 unsigned long timestamp;
317};
318
319static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb)
320{
321 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
322
323 BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) >
324 IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
325 return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data;
326}
327
328#ifdef CONFIG_ATH9K_HTC_DEBUGFS
329#define __STAT_SAFE(hif_dev, expr) do { ((hif_dev)->htc_handle->drv_priv ? (expr) : 0); } while (0)
330#define CAB_STAT_INC(priv) do { ((priv)->debug.tx_stats.cab_queued++); } while (0)
331#define TX_QSTAT_INC(priv, q) do { ((priv)->debug.tx_stats.queue_stats[q]++); } while (0)
332
333#define TX_STAT_INC(hif_dev, c) \
334 __STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.tx_stats.c++)
335#define TX_STAT_ADD(hif_dev, c, a) \
336 __STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.tx_stats.c += a)
337#define RX_STAT_INC(hif_dev, c) \
338 __STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.skbrx_stats.c++)
339#define RX_STAT_ADD(hif_dev, c, a) \
340 __STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.skbrx_stats.c += a)
341
342void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
343 struct ath_rx_status *rs);
344
345struct ath_tx_stats {
346 u32 buf_queued;
347 u32 buf_completed;
348 u32 skb_queued;
349 u32 skb_success;
350 u32 skb_success_bytes;
351 u32 skb_failed;
352 u32 cab_queued;
353 u32 queue_stats[IEEE80211_NUM_ACS];
354};
355
356struct ath_skbrx_stats {
357 u32 skb_allocated;
358 u32 skb_completed;
359 u32 skb_completed_bytes;
360 u32 skb_dropped;
361};
362
363struct ath9k_debug {
364 struct dentry *debugfs_phy;
365 struct ath_tx_stats tx_stats;
366 struct ath_rx_stats rx_stats;
367 struct ath_skbrx_stats skbrx_stats;
368};
369
370void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
371 struct ieee80211_vif *vif,
372 u32 sset, u8 *data);
373int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
374 struct ieee80211_vif *vif, int sset);
375void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
376 struct ieee80211_vif *vif,
377 struct ethtool_stats *stats, u64 *data);
378#else
379
380#define TX_STAT_INC(hif_dev, c) do { } while (0)
381#define TX_STAT_ADD(hif_dev, c, a) do { } while (0)
382#define RX_STAT_INC(hif_dev, c) do { } while (0)
383#define RX_STAT_ADD(hif_dev, c, a) do { } while (0)
384
385#define CAB_STAT_INC(priv)
386#define TX_QSTAT_INC(priv, c)
387
388static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
389 struct ath_rx_status *rs)
390{
391}
392
393#endif /* CONFIG_ATH9K_HTC_DEBUGFS */
394
395#define ATH_LED_PIN_DEF 1
396#define ATH_LED_PIN_9287 10
397#define ATH_LED_PIN_9271 15
398#define ATH_LED_PIN_7010 12
399
400#define BSTUCK_THRESHOLD 10
401
402/*
403 * Adjust these when the max. no of beaconing interfaces is
404 * increased.
405 */
406#define DEFAULT_SWBA_RESPONSE 40 /* in TUs */
407#define MIN_SWBA_RESPONSE 10 /* in TUs */
408
409struct htc_beacon {
410 enum {
411 OK, /* no change needed */
412 UPDATE, /* update pending */
413 COMMIT /* beacon sent, commit change */
414 } updateslot; /* slot time update fsm */
415
416 struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
417 u32 bmisscnt;
418 u32 beaconq;
419 int slottime;
420 int slotupdate;
421};
422
423struct ath_btcoex {
424 u32 bt_priority_cnt;
425 unsigned long bt_priority_time;
426 int bt_stomp_type; /* Types of BT stomping */
427 u32 btcoex_no_stomp;
428 u32 btcoex_period;
429 u32 btscan_no_stomp;
430};
431
432#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
433void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product);
434void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv);
435void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv);
436#else
437static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
438{
439}
440static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
441{
442}
443static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv)
444{
445}
446#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
447
448#define OP_BT_PRIORITY_DETECTED 3
449#define OP_BT_SCAN 4
450#define OP_TSF_RESET 6
451
452enum htc_op_flags {
453 HTC_FWFLAG_NO_RMW,
454};
455
456struct ath9k_htc_priv {
457 struct device *dev;
458 struct ieee80211_hw *hw;
459 struct ath_hw *ah;
460 struct htc_target *htc;
461 struct wmi *wmi;
462
463 u16 fw_version_major;
464 u16 fw_version_minor;
465
466 enum htc_endpoint_id wmi_cmd_ep;
467 enum htc_endpoint_id beacon_ep;
468 enum htc_endpoint_id cab_ep;
469 enum htc_endpoint_id uapsd_ep;
470 enum htc_endpoint_id mgmt_ep;
471 enum htc_endpoint_id data_be_ep;
472 enum htc_endpoint_id data_bk_ep;
473 enum htc_endpoint_id data_vi_ep;
474 enum htc_endpoint_id data_vo_ep;
475
476 u8 vif_slot;
477 u8 mon_vif_idx;
478 u8 sta_slot;
479 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
480 u8 num_ibss_vif;
481 u8 num_mbss_vif;
482 u8 num_sta_vif;
483 u8 num_sta_assoc_vif;
484 u8 num_ap_vif;
485
486 u16 curtxpow;
487 u16 txpowlimit;
488 u16 nvifs;
489 u16 nstations;
490 bool rearm_ani;
491 bool reconfig_beacon;
492 unsigned int rxfilter;
493 unsigned long op_flags;
494 unsigned long fw_flags;
495
496 struct ath9k_hw_cal_data caldata;
497 struct ath_spec_scan_priv spec_priv;
498
499 spinlock_t beacon_lock;
500 struct ath_beacon_config cur_beacon_conf;
501 struct htc_beacon beacon;
502
503 struct ath9k_htc_rx rx;
504 struct ath9k_htc_tx tx;
505
506 struct tasklet_struct swba_tasklet;
507 struct tasklet_struct rx_tasklet;
508 struct delayed_work ani_work;
509 struct tasklet_struct tx_failed_tasklet;
510 struct work_struct ps_work;
511 struct work_struct fatal_work;
512
513 struct mutex htc_pm_lock;
514 unsigned long ps_usecount;
515 bool ps_enabled;
516 bool ps_idle;
517 bool initialized;
518
519#ifdef CONFIG_MAC80211_LEDS
520 enum led_brightness brightness;
521 bool led_registered;
522 char led_name[32];
523 struct led_classdev led_cdev;
524 struct work_struct led_work;
525#endif
526
527 int cabq;
528 int hwq_map[IEEE80211_NUM_ACS];
529
530#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
531 struct ath_btcoex btcoex;
532#endif
533
534 struct delayed_work coex_period_work;
535 struct delayed_work duty_cycle_work;
536#ifdef CONFIG_ATH9K_HTC_DEBUGFS
537 struct ath9k_debug debug;
538#endif
539 struct mutex mutex;
540 struct ieee80211_vif *csa_vif;
541};
542
543static inline void ath_read_cachesize(struct ath_common *common, int *csz)
544{
545 common->bus_ops->read_cachesize(common, csz);
546}
547
548void ath9k_htc_reset(struct ath9k_htc_priv *priv);
549
550void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
551 struct ieee80211_vif *vif);
552void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
553 struct ieee80211_vif *vif);
554void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
555 struct ieee80211_vif *vif);
556void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
557void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
558 struct ieee80211_vif *vif);
559void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
560void ath9k_htc_swba(struct ath9k_htc_priv *priv,
561 struct wmi_event_swba *swba);
562
563void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
564 enum htc_endpoint_id ep_id);
565void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
566 bool txok);
567void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
568 enum htc_endpoint_id ep_id, bool txok);
569
570int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
571 u8 enable_coex);
572void ath9k_htc_ani_work(struct work_struct *work);
573void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
574void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
575
576int ath9k_tx_init(struct ath9k_htc_priv *priv);
577int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
578 struct ieee80211_sta *sta,
579 struct sk_buff *skb, u8 slot, bool is_cab);
580void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
581bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
582int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
583int get_hw_qnum(u16 queue, int *hwq_map);
584int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
585 struct ath9k_tx_queue_info *qinfo);
586void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
587void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
588int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
589void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
590void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
591void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
592void ath9k_tx_failed_tasklet(struct tasklet_struct *t);
593void ath9k_htc_tx_cleanup_timer(struct timer_list *t);
594bool ath9k_htc_csa_is_finished(struct ath9k_htc_priv *priv);
595
596int ath9k_rx_init(struct ath9k_htc_priv *priv);
597void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
598void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
599void ath9k_rx_tasklet(struct tasklet_struct *t);
600u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
601
602void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
603void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
604void ath9k_ps_work(struct work_struct *work);
605bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
606 enum ath9k_power_mode mode);
607
608void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
609void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
610
611struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
612
613#ifdef CONFIG_MAC80211_LEDS
614void ath9k_configure_leds(struct ath9k_htc_priv *priv);
615void ath9k_init_leds(struct ath9k_htc_priv *priv);
616void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
617void ath9k_led_work(struct work_struct *work);
618#else
619static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv)
620{
621}
622
623static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
624{
625}
626
627static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
628{
629}
630
631static inline void ath9k_led_work(struct work_struct *work)
632{
633}
634#endif
635
636int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
637 u16 devid, char *product, u32 drv_info);
638void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
639#ifdef CONFIG_PM
640void ath9k_htc_suspend(struct htc_target *htc_handle);
641int ath9k_htc_resume(struct htc_target *htc_handle);
642#endif
643#ifdef CONFIG_ATH9K_HTC_DEBUGFS
644int ath9k_htc_init_debug(struct ath_hw *ah);
645void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv);
646#else
647static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
648static inline void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv)
649{
650}
651#endif /* CONFIG_ATH9K_HTC_DEBUGFS */
652
653#endif /* HTC_H */