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 CORE_H
18 #define CORE_H
19 
20 #include <linux/etherdevice.h>
21 #include <linux/rtnetlink.h>
22 #include <linux/firmware.h>
23 #include <linux/sched.h>
24 #include <linux/circ_buf.h>
25 #include <net/cfg80211.h>
26 #include "htc.h"
27 #include "wmi.h"
28 #include "bmi.h"
29 #include "target.h"
30 
31 #define MAX_ATH6KL                        1
32 #define ATH6KL_MAX_RX_BUFFERS             16
33 #define ATH6KL_BUFFER_SIZE                1664
34 #define ATH6KL_MAX_AMSDU_RX_BUFFERS       4
35 #define ATH6KL_AMSDU_REFILL_THRESHOLD     3
36 #define ATH6KL_AMSDU_BUFFER_SIZE     (WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH + 128)
37 #define MAX_MSDU_SUBFRAME_PAYLOAD_LEN	1508
38 #define MIN_MSDU_SUBFRAME_PAYLOAD_LEN	46
39 
40 #define USER_SAVEDKEYS_STAT_INIT     0
41 #define USER_SAVEDKEYS_STAT_RUN      1
42 
43 #define ATH6KL_TX_TIMEOUT      10
44 #define ATH6KL_MAX_ENDPOINTS   4
45 #define MAX_NODE_NUM           15
46 
47 /* Extra bytes for htc header alignment */
48 #define ATH6KL_HTC_ALIGN_BYTES 3
49 
50 /* MAX_HI_COOKIE_NUM are reserved for high priority traffic */
51 #define MAX_DEF_COOKIE_NUM                180
52 #define MAX_HI_COOKIE_NUM                 18	/* 10% of MAX_COOKIE_NUM */
53 #define MAX_COOKIE_NUM                 (MAX_DEF_COOKIE_NUM + MAX_HI_COOKIE_NUM)
54 
55 #define MAX_DEFAULT_SEND_QUEUE_DEPTH      (MAX_DEF_COOKIE_NUM / WMM_NUM_AC)
56 
57 #define DISCON_TIMER_INTVAL               10000  /* in msec */
58 #define A_DEFAULT_LISTEN_INTERVAL         100
59 #define A_MAX_WOW_LISTEN_INTERVAL         1000
60 
61 /* includes also the null byte */
62 #define ATH6KL_FIRMWARE_MAGIC               "QCA-ATH6KL"
63 
64 enum ath6kl_fw_ie_type {
65 	ATH6KL_FW_IE_FW_VERSION = 0,
66 	ATH6KL_FW_IE_TIMESTAMP = 1,
67 	ATH6KL_FW_IE_OTP_IMAGE = 2,
68 	ATH6KL_FW_IE_FW_IMAGE = 3,
69 	ATH6KL_FW_IE_PATCH_IMAGE = 4,
70 	ATH6KL_FW_IE_RESERVED_RAM_SIZE = 5,
71 	ATH6KL_FW_IE_CAPABILITIES = 6,
72 	ATH6KL_FW_IE_PATCH_ADDR = 7,
73 	ATH6KL_FW_IE_BOARD_ADDR = 8,
74 	ATH6KL_FW_IE_VIF_MAX = 9,
75 };
76 
77 enum ath6kl_fw_capability {
78 	ATH6KL_FW_CAPABILITY_HOST_P2P = 0,
79 	ATH6KL_FW_CAPABILITY_SCHED_SCAN = 1,
80 
81 	/* this needs to be last */
82 	ATH6KL_FW_CAPABILITY_MAX,
83 };
84 
85 #define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32)
86 
87 struct ath6kl_fw_ie {
88 	__le32 id;
89 	__le32 len;
90 	u8 data[0];
91 };
92 
93 /* AR6003 1.0 definitions */
94 #define AR6003_HW_1_0_VERSION                 0x300002ba
95 
96 /* AR6003 2.0 definitions */
97 #define AR6003_HW_2_0_VERSION                 0x30000384
98 #define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS  0x57e910
99 #define AR6003_HW_2_0_OTP_FILE "ath6k/AR6003/hw2.0/otp.bin.z77"
100 #define AR6003_HW_2_0_FIRMWARE_FILE "ath6k/AR6003/hw2.0/athwlan.bin.z77"
101 #define AR6003_HW_2_0_TCMD_FIRMWARE_FILE "ath6k/AR6003/hw2.0/athtcmd_ram.bin"
102 #define AR6003_HW_2_0_PATCH_FILE "ath6k/AR6003/hw2.0/data.patch.bin"
103 #define AR6003_HW_2_0_FIRMWARE_2_FILE "ath6k/AR6003/hw2.0/fw-2.bin"
104 #define AR6003_HW_2_0_BOARD_DATA_FILE "ath6k/AR6003/hw2.0/bdata.bin"
105 #define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \
106 			"ath6k/AR6003/hw2.0/bdata.SD31.bin"
107 
108 /* AR6003 3.0 definitions */
109 #define AR6003_HW_2_1_1_VERSION                 0x30000582
110 #define AR6003_HW_2_1_1_OTP_FILE "ath6k/AR6003/hw2.1.1/otp.bin"
111 #define AR6003_HW_2_1_1_FIRMWARE_FILE "ath6k/AR6003/hw2.1.1/athwlan.bin"
112 #define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE \
113 			"ath6k/AR6003/hw2.1.1/athtcmd_ram.bin"
114 #define AR6003_HW_2_1_1_PATCH_FILE "ath6k/AR6003/hw2.1.1/data.patch.bin"
115 #define AR6003_HW_2_1_1_FIRMWARE_2_FILE "ath6k/AR6003/hw2.1.1/fw-2.bin"
116 #define AR6003_HW_2_1_1_BOARD_DATA_FILE "ath6k/AR6003/hw2.1.1/bdata.bin"
117 #define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE	\
118 			"ath6k/AR6003/hw2.1.1/bdata.SD31.bin"
119 
120 /* AR6004 1.0 definitions */
121 #define AR6004_HW_1_0_VERSION                 0x30000623
122 #define AR6004_HW_1_0_FIRMWARE_2_FILE         "ath6k/AR6004/hw1.0/fw-2.bin"
123 #define AR6004_HW_1_0_FIRMWARE_FILE           "ath6k/AR6004/hw1.0/fw.ram.bin"
124 #define AR6004_HW_1_0_BOARD_DATA_FILE         "ath6k/AR6004/hw1.0/bdata.bin"
125 #define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \
126 	"ath6k/AR6004/hw1.0/bdata.DB132.bin"
127 
128 /* AR6004 1.1 definitions */
129 #define AR6004_HW_1_1_VERSION                 0x30000001
130 #define AR6004_HW_1_1_FIRMWARE_2_FILE         "ath6k/AR6004/hw1.1/fw-2.bin"
131 #define AR6004_HW_1_1_FIRMWARE_FILE           "ath6k/AR6004/hw1.1/fw.ram.bin"
132 #define AR6004_HW_1_1_BOARD_DATA_FILE         "ath6k/AR6004/hw1.1/bdata.bin"
133 #define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \
134 	"ath6k/AR6004/hw1.1/bdata.DB132.bin"
135 
136 /* Per STA data, used in AP mode */
137 #define STA_PS_AWAKE		BIT(0)
138 #define	STA_PS_SLEEP		BIT(1)
139 #define	STA_PS_POLLED		BIT(2)
140 
141 /* HTC TX packet tagging definitions */
142 #define ATH6KL_CONTROL_PKT_TAG    HTC_TX_PACKET_TAG_USER_DEFINED
143 #define ATH6KL_DATA_PKT_TAG       (ATH6KL_CONTROL_PKT_TAG + 1)
144 
145 #define AR6003_CUST_DATA_SIZE 16
146 
147 #define AGGR_WIN_IDX(x, y)          ((x) % (y))
148 #define AGGR_INCR_IDX(x, y)         AGGR_WIN_IDX(((x) + 1), (y))
149 #define AGGR_DCRM_IDX(x, y)         AGGR_WIN_IDX(((x) - 1), (y))
150 #define ATH6KL_MAX_SEQ_NO		0xFFF
151 #define ATH6KL_NEXT_SEQ_NO(x)		(((x) + 1) & ATH6KL_MAX_SEQ_NO)
152 
153 #define NUM_OF_TIDS         8
154 #define AGGR_SZ_DEFAULT     8
155 
156 #define AGGR_WIN_SZ_MIN     2
157 #define AGGR_WIN_SZ_MAX     8
158 
159 #define TID_WINDOW_SZ(_x)   ((_x) << 1)
160 
161 #define AGGR_NUM_OF_FREE_NETBUFS    16
162 
163 #define AGGR_RX_TIMEOUT     400	/* in ms */
164 
165 #define WMI_TIMEOUT (2 * HZ)
166 
167 #define MBOX_YIELD_LIMIT 99
168 
169 /* configuration lags */
170 /*
171  * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in
172  * ERP IE of beacon to determine the short premable support when
173  * sending (Re)Assoc req.
174  * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power
175  * module state transition failure events which happen during
176  * scan, to the host.
177  */
178 #define ATH6KL_CONF_IGNORE_ERP_BARKER		BIT(0)
179 #define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN  BIT(1)
180 #define ATH6KL_CONF_ENABLE_11N			BIT(2)
181 #define ATH6KL_CONF_ENABLE_TX_BURST		BIT(3)
182 #define ATH6KL_CONF_SUSPEND_CUTPOWER		BIT(4)
183 
184 enum wlan_low_pwr_state {
185 	WLAN_POWER_STATE_ON,
186 	WLAN_POWER_STATE_CUT_PWR,
187 	WLAN_POWER_STATE_DEEP_SLEEP,
188 	WLAN_POWER_STATE_WOW
189 };
190 
191 enum sme_state {
192 	SME_DISCONNECTED,
193 	SME_CONNECTING,
194 	SME_CONNECTED
195 };
196 
197 struct skb_hold_q {
198 	struct sk_buff *skb;
199 	bool is_amsdu;
200 	u16 seq_no;
201 };
202 
203 struct rxtid {
204 	bool aggr;
205 	bool progress;
206 	bool timer_mon;
207 	u16 win_sz;
208 	u16 seq_next;
209 	u32 hold_q_sz;
210 	struct skb_hold_q *hold_q;
211 	struct sk_buff_head q;
212 	spinlock_t lock;
213 };
214 
215 struct rxtid_stats {
216 	u32 num_into_aggr;
217 	u32 num_dups;
218 	u32 num_oow;
219 	u32 num_mpdu;
220 	u32 num_amsdu;
221 	u32 num_delivered;
222 	u32 num_timeouts;
223 	u32 num_hole;
224 	u32 num_bar;
225 };
226 
227 struct aggr_info {
228 	u8 aggr_sz;
229 	u8 timer_scheduled;
230 	struct timer_list timer;
231 	struct net_device *dev;
232 	struct rxtid rx_tid[NUM_OF_TIDS];
233 	struct sk_buff_head free_q;
234 	struct rxtid_stats stat[NUM_OF_TIDS];
235 };
236 
237 struct ath6kl_wep_key {
238 	u8 key_index;
239 	u8 key_len;
240 	u8 key[64];
241 };
242 
243 #define ATH6KL_KEY_SEQ_LEN 8
244 
245 struct ath6kl_key {
246 	u8 key[WLAN_MAX_KEY_LEN];
247 	u8 key_len;
248 	u8 seq[ATH6KL_KEY_SEQ_LEN];
249 	u8 seq_len;
250 	u32 cipher;
251 };
252 
253 struct ath6kl_node_mapping {
254 	u8 mac_addr[ETH_ALEN];
255 	u8 ep_id;
256 	u8 tx_pend;
257 };
258 
259 struct ath6kl_cookie {
260 	struct sk_buff *skb;
261 	u32 map_no;
262 	struct htc_packet htc_pkt;
263 	struct ath6kl_cookie *arc_list_next;
264 };
265 
266 struct ath6kl_sta {
267 	u16 sta_flags;
268 	u8 mac[ETH_ALEN];
269 	u8 aid;
270 	u8 keymgmt;
271 	u8 ucipher;
272 	u8 auth;
273 	u8 wpa_ie[ATH6KL_MAX_IE];
274 	struct sk_buff_head psq;
275 	spinlock_t psq_lock;
276 };
277 
278 struct ath6kl_version {
279 	u32 target_ver;
280 	u32 wlan_ver;
281 	u32 abi_ver;
282 };
283 
284 struct ath6kl_bmi {
285 	u32 cmd_credits;
286 	bool done_sent;
287 	u8 *cmd_buf;
288 	u32 max_data_size;
289 	u32 max_cmd_size;
290 };
291 
292 struct target_stats {
293 	u64 tx_pkt;
294 	u64 tx_byte;
295 	u64 tx_ucast_pkt;
296 	u64 tx_ucast_byte;
297 	u64 tx_mcast_pkt;
298 	u64 tx_mcast_byte;
299 	u64 tx_bcast_pkt;
300 	u64 tx_bcast_byte;
301 	u64 tx_rts_success_cnt;
302 	u64 tx_pkt_per_ac[4];
303 
304 	u64 tx_err;
305 	u64 tx_fail_cnt;
306 	u64 tx_retry_cnt;
307 	u64 tx_mult_retry_cnt;
308 	u64 tx_rts_fail_cnt;
309 
310 	u64 rx_pkt;
311 	u64 rx_byte;
312 	u64 rx_ucast_pkt;
313 	u64 rx_ucast_byte;
314 	u64 rx_mcast_pkt;
315 	u64 rx_mcast_byte;
316 	u64 rx_bcast_pkt;
317 	u64 rx_bcast_byte;
318 	u64 rx_frgment_pkt;
319 
320 	u64 rx_err;
321 	u64 rx_crc_err;
322 	u64 rx_key_cache_miss;
323 	u64 rx_decrypt_err;
324 	u64 rx_dupl_frame;
325 
326 	u64 tkip_local_mic_fail;
327 	u64 tkip_cnter_measures_invoked;
328 	u64 tkip_replays;
329 	u64 tkip_fmt_err;
330 	u64 ccmp_fmt_err;
331 	u64 ccmp_replays;
332 
333 	u64 pwr_save_fail_cnt;
334 
335 	u64 cs_bmiss_cnt;
336 	u64 cs_low_rssi_cnt;
337 	u64 cs_connect_cnt;
338 	u64 cs_discon_cnt;
339 
340 	s32 tx_ucast_rate;
341 	s32 rx_ucast_rate;
342 
343 	u32 lq_val;
344 
345 	u32 wow_pkt_dropped;
346 	u16 wow_evt_discarded;
347 
348 	s16 noise_floor_calib;
349 	s16 cs_rssi;
350 	s16 cs_ave_beacon_rssi;
351 	u8 cs_ave_beacon_snr;
352 	u8 cs_last_roam_msec;
353 	u8 cs_snr;
354 
355 	u8 wow_host_pkt_wakeups;
356 	u8 wow_host_evt_wakeups;
357 
358 	u32 arp_received;
359 	u32 arp_matched;
360 	u32 arp_replied;
361 };
362 
363 struct ath6kl_mbox_info {
364 	u32 htc_addr;
365 	u32 htc_ext_addr;
366 	u32 htc_ext_sz;
367 
368 	u32 block_size;
369 
370 	u32 gmbox_addr;
371 
372 	u32 gmbox_sz;
373 };
374 
375 /*
376  * 802.11i defines an extended IV for use with non-WEP ciphers.
377  * When the EXTIV bit is set in the key id byte an additional
378  * 4 bytes immediately follow the IV for TKIP.  For CCMP the
379  * EXTIV bit is likewise set but the 8 bytes represent the
380  * CCMP header rather than IV+extended-IV.
381  */
382 
383 #define ATH6KL_KEYBUF_SIZE 16
384 #define ATH6KL_MICBUF_SIZE (8+8)	/* space for both tx and rx */
385 
386 #define ATH6KL_KEY_XMIT  0x01
387 #define ATH6KL_KEY_RECV  0x02
388 #define ATH6KL_KEY_DEFAULT   0x80	/* default xmit key */
389 
390 /* Initial group key for AP mode */
391 struct ath6kl_req_key {
392 	bool valid;
393 	u8 key_index;
394 	int key_type;
395 	u8 key[WLAN_MAX_KEY_LEN];
396 	u8 key_len;
397 };
398 
399 enum ath6kl_hif_type {
400 	ATH6KL_HIF_TYPE_SDIO,
401 	ATH6KL_HIF_TYPE_USB,
402 };
403 
404 /*
405  * Driver's maximum limit, note that some firmwares support only one vif
406  * and the runtime (current) limit must be checked from ar->vif_max.
407  */
408 #define ATH6KL_VIF_MAX	3
409 
410 /* vif flags info */
411 enum ath6kl_vif_state {
412 	CONNECTED,
413 	CONNECT_PEND,
414 	WMM_ENABLED,
415 	NETQ_STOPPED,
416 	DTIM_EXPIRED,
417 	NETDEV_REGISTERED,
418 	CLEAR_BSSFILTER_ON_BEACON,
419 	DTIM_PERIOD_AVAIL,
420 	WLAN_ENABLED,
421 	STATS_UPDATE_PEND,
422 };
423 
424 struct ath6kl_vif {
425 	struct list_head list;
426 	struct wireless_dev wdev;
427 	struct net_device *ndev;
428 	struct ath6kl *ar;
429 	/* Lock to protect vif specific net_stats and flags */
430 	spinlock_t if_lock;
431 	u8 fw_vif_idx;
432 	unsigned long flags;
433 	int ssid_len;
434 	u8 ssid[IEEE80211_MAX_SSID_LEN];
435 	u8 dot11_auth_mode;
436 	u8 auth_mode;
437 	u8 prwise_crypto;
438 	u8 prwise_crypto_len;
439 	u8 grp_crypto;
440 	u8 grp_crypto_len;
441 	u8 def_txkey_index;
442 	u8 next_mode;
443 	u8 nw_type;
444 	u8 bssid[ETH_ALEN];
445 	u8 req_bssid[ETH_ALEN];
446 	u16 ch_hint;
447 	u16 bss_ch;
448 	struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1];
449 	struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1];
450 	struct aggr_info *aggr_cntxt;
451 
452 	struct timer_list disconnect_timer;
453 	struct timer_list sched_scan_timer;
454 
455 	struct cfg80211_scan_request *scan_req;
456 	enum sme_state sme_state;
457 	int reconnect_flag;
458 	u32 last_roc_id;
459 	u32 last_cancel_roc_id;
460 	u32 send_action_id;
461 	bool probe_req_report;
462 	u16 next_chan;
463 	u16 assoc_bss_beacon_int;
464 	u8 assoc_bss_dtim_period;
465 	struct net_device_stats net_stats;
466 	struct target_stats target_stats;
467 };
468 
469 #define WOW_LIST_ID		0
470 #define WOW_HOST_REQ_DELAY	500 /* ms */
471 
472 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */
473 
474 /* Flag info */
475 enum ath6kl_dev_state {
476 	WMI_ENABLED,
477 	WMI_READY,
478 	WMI_CTRL_EP_FULL,
479 	TESTMODE,
480 	DESTROY_IN_PROGRESS,
481 	SKIP_SCAN,
482 	ROAM_TBL_PEND,
483 	FIRST_BOOT,
484 };
485 
486 enum ath6kl_state {
487 	ATH6KL_STATE_OFF,
488 	ATH6KL_STATE_ON,
489 	ATH6KL_STATE_DEEPSLEEP,
490 	ATH6KL_STATE_CUTPOWER,
491 	ATH6KL_STATE_WOW,
492 	ATH6KL_STATE_SCHED_SCAN,
493 };
494 
495 struct ath6kl {
496 	struct device *dev;
497 	struct wiphy *wiphy;
498 
499 	enum ath6kl_state state;
500 
501 	struct ath6kl_bmi bmi;
502 	const struct ath6kl_hif_ops *hif_ops;
503 	struct wmi *wmi;
504 	int tx_pending[ENDPOINT_MAX];
505 	int total_tx_data_pend;
506 	struct htc_target *htc_target;
507 	enum ath6kl_hif_type hif_type;
508 	void *hif_priv;
509 	struct list_head vif_list;
510 	/* Lock to avoid race in vif_list entries among add/del/traverse */
511 	spinlock_t list_lock;
512 	u8 num_vif;
513 	unsigned int vif_max;
514 	u8 max_norm_iface;
515 	u8 avail_idx_map;
516 	spinlock_t lock;
517 	struct semaphore sem;
518 	u16 listen_intvl_b;
519 	u16 listen_intvl_t;
520 	u8 lrssi_roam_threshold;
521 	struct ath6kl_version version;
522 	u32 target_type;
523 	u8 tx_pwr;
524 	struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
525 	u8 ibss_ps_enable;
526 	bool ibss_if_active;
527 	u8 node_num;
528 	u8 next_ep_id;
529 	struct ath6kl_cookie *cookie_list;
530 	u32 cookie_count;
531 	enum htc_endpoint_id ac2ep_map[WMM_NUM_AC];
532 	bool ac_stream_active[WMM_NUM_AC];
533 	u8 ac_stream_pri_map[WMM_NUM_AC];
534 	u8 hiac_stream_active_pri;
535 	u8 ep2ac_map[ENDPOINT_MAX];
536 	enum htc_endpoint_id ctrl_ep;
537 	struct ath6kl_htc_credit_info credit_state_info;
538 	u32 connect_ctrl_flags;
539 	u32 user_key_ctrl;
540 	u8 usr_bss_filter;
541 	struct ath6kl_sta sta_list[AP_MAX_NUM_STA];
542 	u8 sta_list_index;
543 	struct ath6kl_req_key ap_mode_bkey;
544 	struct sk_buff_head mcastpsq;
545 	spinlock_t mcastpsq_lock;
546 	u8 intra_bss;
547 	struct wmi_ap_mode_stat ap_stats;
548 	u8 ap_country_code[3];
549 	struct list_head amsdu_rx_buffer_queue;
550 	u8 rx_meta_ver;
551 	enum wlan_low_pwr_state wlan_pwr_state;
552 	u8 mac_addr[ETH_ALEN];
553 #define AR_MCAST_FILTER_MAC_ADDR_SIZE  4
554 	struct {
555 		void *rx_report;
556 		size_t rx_report_len;
557 	} tm;
558 
559 	struct ath6kl_hw {
560 		u32 id;
561 		const char *name;
562 		u32 dataset_patch_addr;
563 		u32 app_load_addr;
564 		u32 app_start_override_addr;
565 		u32 board_ext_data_addr;
566 		u32 reserved_ram_size;
567 		u32 board_addr;
568 		u32 refclk_hz;
569 		u32 uarttx_pin;
570 
571 		const char *fw_otp;
572 		const char *fw;
573 		const char *fw_tcmd;
574 		const char *fw_patch;
575 		const char *fw_api2;
576 		const char *fw_board;
577 		const char *fw_default_board;
578 	} hw;
579 
580 	u16 conf_flags;
581 	wait_queue_head_t event_wq;
582 	struct ath6kl_mbox_info mbox_info;
583 
584 	struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM];
585 	unsigned long flag;
586 
587 	u8 *fw_board;
588 	size_t fw_board_len;
589 
590 	u8 *fw_otp;
591 	size_t fw_otp_len;
592 
593 	u8 *fw;
594 	size_t fw_len;
595 
596 	u8 *fw_patch;
597 	size_t fw_patch_len;
598 
599 	unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN];
600 
601 	struct workqueue_struct *ath6kl_wq;
602 
603 	struct dentry *debugfs_phy;
604 
605 	bool p2p;
606 
607 #ifdef CONFIG_ATH6KL_DEBUG
608 	struct {
609 		struct circ_buf fwlog_buf;
610 		spinlock_t fwlog_lock;
611 		void *fwlog_tmp;
612 		u32 fwlog_mask;
613 		unsigned int dbgfs_diag_reg;
614 		u32 diag_reg_addr_wr;
615 		u32 diag_reg_val_wr;
616 
617 		struct {
618 			unsigned int invalid_rate;
619 		} war_stats;
620 
621 		u8 *roam_tbl;
622 		unsigned int roam_tbl_len;
623 
624 		u8 keepalive;
625 		u8 disc_timeout;
626 	} debug;
627 #endif /* CONFIG_ATH6KL_DEBUG */
628 };
629 
630 static inline struct ath6kl *ath6kl_priv(struct net_device *dev)
631 {
632 	return ((struct ath6kl_vif *) netdev_priv(dev))->ar;
633 }
634 
635 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
636 					  u32 item_offset)
637 {
638 	u32 addr = 0;
639 
640 	if (ar->target_type == TARGET_TYPE_AR6003)
641 		addr = ATH6KL_AR6003_HI_START_ADDR + item_offset;
642 	else if (ar->target_type == TARGET_TYPE_AR6004)
643 		addr = ATH6KL_AR6004_HI_START_ADDR + item_offset;
644 
645 	return addr;
646 }
647 
648 int ath6kl_configure_target(struct ath6kl *ar);
649 void ath6kl_detect_error(unsigned long ptr);
650 void disconnect_timer_handler(unsigned long ptr);
651 void init_netdev(struct net_device *dev);
652 void ath6kl_cookie_init(struct ath6kl *ar);
653 void ath6kl_cookie_cleanup(struct ath6kl *ar);
654 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet);
655 void ath6kl_tx_complete(void *context, struct list_head *packet_queue);
656 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
657 					       struct htc_packet *packet);
658 void ath6kl_stop_txrx(struct ath6kl *ar);
659 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
660 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value);
661 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
662 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
663 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);
664 int ath6kl_read_fwlogs(struct ath6kl *ar);
665 void ath6kl_init_profile_info(struct ath6kl_vif *vif);
666 void ath6kl_tx_data_cleanup(struct ath6kl *ar);
667 
668 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar);
669 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie);
670 int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev);
671 
672 struct aggr_info *aggr_init(struct net_device *dev);
673 void ath6kl_rx_refill(struct htc_target *target,
674 		      enum htc_endpoint_id endpoint);
675 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count);
676 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target,
677 					    enum htc_endpoint_id endpoint,
678 					    int len);
679 void aggr_module_destroy(struct aggr_info *aggr_info);
680 void aggr_reset_state(struct aggr_info *aggr_info);
681 
682 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 * node_addr);
683 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid);
684 
685 void ath6kl_ready_event(void *devt, u8 * datap, u32 sw_ver, u32 abi_ver);
686 int ath6kl_control_tx(void *devt, struct sk_buff *skb,
687 		      enum htc_endpoint_id eid);
688 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,
689 			  u8 *bssid, u16 listen_int,
690 			  u16 beacon_int, enum network_type net_type,
691 			  u8 beacon_ie_len, u8 assoc_req_len,
692 			  u8 assoc_resp_len, u8 *assoc_info);
693 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel);
694 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
695 				u8 keymgmt, u8 ucipher, u8 auth,
696 				u8 assoc_req_len, u8 *assoc_info);
697 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason,
698 			     u8 *bssid, u8 assoc_resp_len,
699 			     u8 *assoc_info, u16 prot_reason_status);
700 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast);
701 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr);
702 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status);
703 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len);
704 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active);
705 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac);
706 
707 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid);
708 
709 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif);
710 void ath6kl_disconnect(struct ath6kl_vif *vif);
711 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid);
712 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
713 			     u8 win_sz);
714 void ath6kl_wakeup_event(void *dev);
715 
716 void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
717 			 bool wait_fot_compltn, bool cold_reset);
718 void ath6kl_init_control_info(struct ath6kl_vif *vif);
719 void ath6kl_deinit_if_data(struct ath6kl_vif *vif);
720 void ath6kl_core_free(struct ath6kl *ar);
721 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
722 void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready);
723 int ath6kl_init_hw_start(struct ath6kl *ar);
724 int ath6kl_init_hw_stop(struct ath6kl *ar);
725 void ath6kl_check_wow_status(struct ath6kl *ar);
726 
727 #endif /* CORE_H */
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