1 /*
2 * Copyright (c) 2010-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #ifndef CORE_H
19 #define CORE_H
20
21 #include <linux/etherdevice.h>
22 #include <linux/rtnetlink.h>
23 #include <linux/firmware.h>
24 #include <linux/sched.h>
25 #include <linux/circ_buf.h>
26 #include <net/cfg80211.h>
27 #include "htc.h"
28 #include "wmi.h"
29 #include "bmi.h"
30 #include "target.h"
31
32 #define MAX_ATH6KL 1
33 #define ATH6KL_MAX_RX_BUFFERS 16
34 #define ATH6KL_BUFFER_SIZE 1664
35 #define ATH6KL_MAX_AMSDU_RX_BUFFERS 4
36 #define ATH6KL_AMSDU_REFILL_THRESHOLD 3
37 #define ATH6KL_AMSDU_BUFFER_SIZE (WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH + 128)
38 #define MAX_MSDU_SUBFRAME_PAYLOAD_LEN 1508
39 #define MIN_MSDU_SUBFRAME_PAYLOAD_LEN 46
40
41 #define USER_SAVEDKEYS_STAT_INIT 0
42 #define USER_SAVEDKEYS_STAT_RUN 1
43
44 #define ATH6KL_TX_TIMEOUT 10
45 #define ATH6KL_MAX_ENDPOINTS 4
46 #define MAX_NODE_NUM 15
47
48 #define ATH6KL_APSD_ALL_FRAME 0xFFFF
49 #define ATH6KL_APSD_NUM_OF_AC 0x4
50 #define ATH6KL_APSD_FRAME_MASK 0xF
51
52 /* Extra bytes for htc header alignment */
53 #define ATH6KL_HTC_ALIGN_BYTES 3
54
55 /* MAX_HI_COOKIE_NUM are reserved for high priority traffic */
56 #define MAX_DEF_COOKIE_NUM 180
57 #define MAX_HI_COOKIE_NUM 18 /* 10% of MAX_COOKIE_NUM */
58 #define MAX_COOKIE_NUM (MAX_DEF_COOKIE_NUM + MAX_HI_COOKIE_NUM)
59
60 #define MAX_DEFAULT_SEND_QUEUE_DEPTH (MAX_DEF_COOKIE_NUM / WMM_NUM_AC)
61
62 #define DISCON_TIMER_INTVAL 10000 /* in msec */
63
64 /* Channel dwell time in fg scan */
65 #define ATH6KL_FG_SCAN_INTERVAL 50 /* in ms */
66
67 /* includes also the null byte */
68 #define ATH6KL_FIRMWARE_MAGIC "QCA-ATH6KL"
69
70 enum ath6kl_fw_ie_type {
71 ATH6KL_FW_IE_FW_VERSION = 0,
72 ATH6KL_FW_IE_TIMESTAMP = 1,
73 ATH6KL_FW_IE_OTP_IMAGE = 2,
74 ATH6KL_FW_IE_FW_IMAGE = 3,
75 ATH6KL_FW_IE_PATCH_IMAGE = 4,
76 ATH6KL_FW_IE_RESERVED_RAM_SIZE = 5,
77 ATH6KL_FW_IE_CAPABILITIES = 6,
78 ATH6KL_FW_IE_PATCH_ADDR = 7,
79 ATH6KL_FW_IE_BOARD_ADDR = 8,
80 ATH6KL_FW_IE_VIF_MAX = 9,
81 };
82
83 enum ath6kl_fw_capability {
84 ATH6KL_FW_CAPABILITY_HOST_P2P = 0,
85 ATH6KL_FW_CAPABILITY_SCHED_SCAN = 1,
86
87 /*
88 * Firmware is capable of supporting P2P mgmt operations on a
89 * station interface. After group formation, the station
90 * interface will become a P2P client/GO interface as the case may be
91 */
92 ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
93
94 /*
95 * Firmware has support to cleanup inactive stations
96 * in AP mode.
97 */
98 ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
99
100 /* Firmware has support to override rsn cap of rsn ie */
101 ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
102
103 /*
104 * Multicast support in WOW and host awake mode.
105 * Allow all multicast in host awake mode.
106 * Apply multicast filter in WOW mode.
107 */
108 ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
109
110 /* Firmware supports enhanced bmiss detection */
111 ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
112
113 /*
114 * FW supports matching of ssid in schedule scan
115 */
116 ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
117
118 /* Firmware supports filtering BSS results by RSSI */
119 ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
120
121 /* FW sets mac_addr[4] ^= 0x80 for newly created interfaces */
122 ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
123
124 /* Firmware supports TX error rate notification */
125 ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
126
127 /* supports WMI_SET_REGDOMAIN_CMDID command */
128 ATH6KL_FW_CAPABILITY_REGDOMAIN,
129
130 /* Firmware supports sched scan decoupled from host sleep */
131 ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2,
132
133 /*
134 * Firmware capability for hang detection through heart beat
135 * challenge messages.
136 */
137 ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
138
139 /* WMI_SET_TX_SELECT_RATES_CMDID uses 64 bit size rate table */
140 ATH6KL_FW_CAPABILITY_64BIT_RATES,
141
142 /* WMI_AP_CONN_INACT_CMDID uses minutes as units */
143 ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
144
145 /* use low priority endpoint for all data */
146 ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
147
148 /* ratetable is the 2 stream version (max MCS15) */
149 ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
150
151 /* firmware doesn't support IP checksumming */
152 ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM,
153
154 /* this needs to be last */
155 ATH6KL_FW_CAPABILITY_MAX,
156 };
157
158 #define ATH6KL_CAPABILITY_LEN (ALIGN(ATH6KL_FW_CAPABILITY_MAX, 32) / 32)
159
160 struct ath6kl_fw_ie {
161 __le32 id;
162 __le32 len;
163 u8 data[0];
164 };
165
166 enum ath6kl_hw_flags {
167 ATH6KL_HW_SDIO_CRC_ERROR_WAR = BIT(3),
168 };
169
170 #define ATH6KL_FW_API2_FILE "fw-2.bin"
171 #define ATH6KL_FW_API3_FILE "fw-3.bin"
172 #define ATH6KL_FW_API4_FILE "fw-4.bin"
173 #define ATH6KL_FW_API5_FILE "fw-5.bin"
174
175 /* AR6003 1.0 definitions */
176 #define AR6003_HW_1_0_VERSION 0x300002ba
177
178 /* AR6003 2.0 definitions */
179 #define AR6003_HW_2_0_VERSION 0x30000384
180 #define AR6003_HW_2_0_PATCH_DOWNLOAD_ADDRESS 0x57e910
181 #define AR6003_HW_2_0_FW_DIR "ath6k/AR6003/hw2.0"
182 #define AR6003_HW_2_0_OTP_FILE "otp.bin.z77"
183 #define AR6003_HW_2_0_FIRMWARE_FILE "athwlan.bin.z77"
184 #define AR6003_HW_2_0_TCMD_FIRMWARE_FILE "athtcmd_ram.bin"
185 #define AR6003_HW_2_0_PATCH_FILE "data.patch.bin"
186 #define AR6003_HW_2_0_BOARD_DATA_FILE AR6003_HW_2_0_FW_DIR "/bdata.bin"
187 #define AR6003_HW_2_0_DEFAULT_BOARD_DATA_FILE \
188 AR6003_HW_2_0_FW_DIR "/bdata.SD31.bin"
189
190 /* AR6003 3.0 definitions */
191 #define AR6003_HW_2_1_1_VERSION 0x30000582
192 #define AR6003_HW_2_1_1_FW_DIR "ath6k/AR6003/hw2.1.1"
193 #define AR6003_HW_2_1_1_OTP_FILE "otp.bin"
194 #define AR6003_HW_2_1_1_FIRMWARE_FILE "athwlan.bin"
195 #define AR6003_HW_2_1_1_TCMD_FIRMWARE_FILE "athtcmd_ram.bin"
196 #define AR6003_HW_2_1_1_UTF_FIRMWARE_FILE "utf.bin"
197 #define AR6003_HW_2_1_1_TESTSCRIPT_FILE "nullTestFlow.bin"
198 #define AR6003_HW_2_1_1_PATCH_FILE "data.patch.bin"
199 #define AR6003_HW_2_1_1_BOARD_DATA_FILE AR6003_HW_2_1_1_FW_DIR "/bdata.bin"
200 #define AR6003_HW_2_1_1_DEFAULT_BOARD_DATA_FILE \
201 AR6003_HW_2_1_1_FW_DIR "/bdata.SD31.bin"
202
203 /* AR6004 1.0 definitions */
204 #define AR6004_HW_1_0_VERSION 0x30000623
205 #define AR6004_HW_1_0_FW_DIR "ath6k/AR6004/hw1.0"
206 #define AR6004_HW_1_0_FIRMWARE_FILE "fw.ram.bin"
207 #define AR6004_HW_1_0_BOARD_DATA_FILE AR6004_HW_1_0_FW_DIR "/bdata.bin"
208 #define AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE \
209 AR6004_HW_1_0_FW_DIR "/bdata.DB132.bin"
210
211 /* AR6004 1.1 definitions */
212 #define AR6004_HW_1_1_VERSION 0x30000001
213 #define AR6004_HW_1_1_FW_DIR "ath6k/AR6004/hw1.1"
214 #define AR6004_HW_1_1_FIRMWARE_FILE "fw.ram.bin"
215 #define AR6004_HW_1_1_BOARD_DATA_FILE AR6004_HW_1_1_FW_DIR "/bdata.bin"
216 #define AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE \
217 AR6004_HW_1_1_FW_DIR "/bdata.DB132.bin"
218
219 /* AR6004 1.2 definitions */
220 #define AR6004_HW_1_2_VERSION 0x300007e8
221 #define AR6004_HW_1_2_FW_DIR "ath6k/AR6004/hw1.2"
222 #define AR6004_HW_1_2_FIRMWARE_FILE "fw.ram.bin"
223 #define AR6004_HW_1_2_BOARD_DATA_FILE AR6004_HW_1_2_FW_DIR "/bdata.bin"
224 #define AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE \
225 AR6004_HW_1_2_FW_DIR "/bdata.bin"
226
227 /* AR6004 1.3 definitions */
228 #define AR6004_HW_1_3_VERSION 0x31c8088a
229 #define AR6004_HW_1_3_FW_DIR "ath6k/AR6004/hw1.3"
230 #define AR6004_HW_1_3_FIRMWARE_FILE "fw.ram.bin"
231 #define AR6004_HW_1_3_TCMD_FIRMWARE_FILE "utf.bin"
232 #define AR6004_HW_1_3_UTF_FIRMWARE_FILE "utf.bin"
233 #define AR6004_HW_1_3_TESTSCRIPT_FILE "nullTestFlow.bin"
234 #define AR6004_HW_1_3_BOARD_DATA_FILE AR6004_HW_1_3_FW_DIR "/bdata.bin"
235 #define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE AR6004_HW_1_3_FW_DIR "/bdata.bin"
236
237 /* AR6004 3.0 definitions */
238 #define AR6004_HW_3_0_VERSION 0x31C809F8
239 #define AR6004_HW_3_0_FW_DIR "ath6k/AR6004/hw3.0"
240 #define AR6004_HW_3_0_FIRMWARE_FILE "fw.ram.bin"
241 #define AR6004_HW_3_0_TCMD_FIRMWARE_FILE "utf.bin"
242 #define AR6004_HW_3_0_UTF_FIRMWARE_FILE "utf.bin"
243 #define AR6004_HW_3_0_TESTSCRIPT_FILE "nullTestFlow.bin"
244 #define AR6004_HW_3_0_BOARD_DATA_FILE AR6004_HW_3_0_FW_DIR "/bdata.bin"
245 #define AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE AR6004_HW_3_0_FW_DIR "/bdata.bin"
246
247 /* Per STA data, used in AP mode */
248 #define STA_PS_AWAKE BIT(0)
249 #define STA_PS_SLEEP BIT(1)
250 #define STA_PS_POLLED BIT(2)
251 #define STA_PS_APSD_TRIGGER BIT(3)
252 #define STA_PS_APSD_EOSP BIT(4)
253
254 /* HTC TX packet tagging definitions */
255 #define ATH6KL_CONTROL_PKT_TAG HTC_TX_PACKET_TAG_USER_DEFINED
256 #define ATH6KL_DATA_PKT_TAG (ATH6KL_CONTROL_PKT_TAG + 1)
257
258 #define AR6003_CUST_DATA_SIZE 16
259
260 #define AGGR_WIN_IDX(x, y) ((x) % (y))
261 #define AGGR_INCR_IDX(x, y) AGGR_WIN_IDX(((x) + 1), (y))
262 #define AGGR_DCRM_IDX(x, y) AGGR_WIN_IDX(((x) - 1), (y))
263 #define ATH6KL_MAX_SEQ_NO 0xFFF
264 #define ATH6KL_NEXT_SEQ_NO(x) (((x) + 1) & ATH6KL_MAX_SEQ_NO)
265
266 #define NUM_OF_TIDS 8
267 #define AGGR_SZ_DEFAULT 8
268
269 #define AGGR_WIN_SZ_MIN 2
270 #define AGGR_WIN_SZ_MAX 8
271
272 #define TID_WINDOW_SZ(_x) ((_x) << 1)
273
274 #define AGGR_NUM_OF_FREE_NETBUFS 16
275
276 #define AGGR_RX_TIMEOUT 100 /* in ms */
277
278 #define WMI_TIMEOUT (2 * HZ)
279
280 #define MBOX_YIELD_LIMIT 99
281
282 #define ATH6KL_DEFAULT_LISTEN_INTVAL 100 /* in TUs */
283 #define ATH6KL_DEFAULT_BMISS_TIME 1500
284 #define ATH6KL_MAX_WOW_LISTEN_INTL 300 /* in TUs */
285 #define ATH6KL_MAX_BMISS_TIME 5000
286
287 /* configuration lags */
288 /*
289 * ATH6KL_CONF_IGNORE_ERP_BARKER: Ignore the barker premable in
290 * ERP IE of beacon to determine the short premable support when
291 * sending (Re)Assoc req.
292 * ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN: Don't send the power
293 * module state transition failure events which happen during
294 * scan, to the host.
295 */
296 #define ATH6KL_CONF_IGNORE_ERP_BARKER BIT(0)
297 #define ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN BIT(1)
298 #define ATH6KL_CONF_ENABLE_11N BIT(2)
299 #define ATH6KL_CONF_ENABLE_TX_BURST BIT(3)
300 #define ATH6KL_CONF_UART_DEBUG BIT(4)
301
302 #define P2P_WILDCARD_SSID_LEN 7 /* DIRECT- */
303
304 enum wlan_low_pwr_state {
305 WLAN_POWER_STATE_ON,
306 WLAN_POWER_STATE_CUT_PWR,
307 WLAN_POWER_STATE_DEEP_SLEEP,
308 WLAN_POWER_STATE_WOW
309 };
310
311 enum sme_state {
312 SME_DISCONNECTED,
313 SME_CONNECTING,
314 SME_CONNECTED
315 };
316
317 struct skb_hold_q {
318 struct sk_buff *skb;
319 bool is_amsdu;
320 u16 seq_no;
321 };
322
323 struct rxtid {
324 bool aggr;
325 bool timer_mon;
326 u16 win_sz;
327 u16 seq_next;
328 u32 hold_q_sz;
329 struct skb_hold_q *hold_q;
330 struct sk_buff_head q;
331
332 /*
333 * lock mainly protects seq_next and hold_q. Movement of seq_next
334 * needs to be protected between aggr_timeout() and
335 * aggr_process_recv_frm(). hold_q will be holding the pending
336 * reorder frames and it's access should also be protected.
337 * Some of the other fields like hold_q_sz, win_sz and aggr are
338 * initialized/reset when receiving addba/delba req, also while
339 * deleting aggr state all the pending buffers are flushed before
340 * resetting these fields, so there should not be any race in accessing
341 * these fields.
342 */
343 spinlock_t lock;
344 };
345
346 struct rxtid_stats {
347 u32 num_into_aggr;
348 u32 num_dups;
349 u32 num_oow;
350 u32 num_mpdu;
351 u32 num_amsdu;
352 u32 num_delivered;
353 u32 num_timeouts;
354 u32 num_hole;
355 u32 num_bar;
356 };
357
358 struct aggr_info_conn {
359 u8 aggr_sz;
360 u8 timer_scheduled;
361 struct timer_list timer;
362 struct net_device *dev;
363 struct rxtid rx_tid[NUM_OF_TIDS];
364 struct rxtid_stats stat[NUM_OF_TIDS];
365 struct aggr_info *aggr_info;
366 };
367
368 struct aggr_info {
369 struct aggr_info_conn *aggr_conn;
370 struct sk_buff_head rx_amsdu_freeq;
371 };
372
373 struct ath6kl_wep_key {
374 u8 key_index;
375 u8 key_len;
376 u8 key[64];
377 };
378
379 #define ATH6KL_KEY_SEQ_LEN 8
380
381 struct ath6kl_key {
382 u8 key[WLAN_MAX_KEY_LEN];
383 u8 key_len;
384 u8 seq[ATH6KL_KEY_SEQ_LEN];
385 u8 seq_len;
386 u32 cipher;
387 };
388
389 struct ath6kl_node_mapping {
390 u8 mac_addr[ETH_ALEN];
391 u8 ep_id;
392 u8 tx_pend;
393 };
394
395 struct ath6kl_cookie {
396 struct sk_buff *skb;
397 u32 map_no;
398 struct htc_packet htc_pkt;
399 struct ath6kl_cookie *arc_list_next;
400 };
401
402 struct ath6kl_mgmt_buff {
403 struct list_head list;
404 u32 freq;
405 u32 wait;
406 u32 id;
407 bool no_cck;
408 size_t len;
409 u8 buf[0];
410 };
411
412 struct ath6kl_sta {
413 u16 sta_flags;
414 u8 mac[ETH_ALEN];
415 u8 aid;
416 u8 keymgmt;
417 u8 ucipher;
418 u8 auth;
419 u8 wpa_ie[ATH6KL_MAX_IE];
420 struct sk_buff_head psq;
421
422 /* protects psq, mgmt_psq, apsdq, and mgmt_psq_len fields */
423 spinlock_t psq_lock;
424
425 struct list_head mgmt_psq;
426 size_t mgmt_psq_len;
427 u8 apsd_info;
428 struct sk_buff_head apsdq;
429 struct aggr_info_conn *aggr_conn;
430 };
431
432 struct ath6kl_version {
433 u32 target_ver;
434 u32 wlan_ver;
435 u32 abi_ver;
436 };
437
438 struct ath6kl_bmi {
439 u32 cmd_credits;
440 bool done_sent;
441 u8 *cmd_buf;
442 u32 max_data_size;
443 u32 max_cmd_size;
444 };
445
446 struct target_stats {
447 u64 tx_pkt;
448 u64 tx_byte;
449 u64 tx_ucast_pkt;
450 u64 tx_ucast_byte;
451 u64 tx_mcast_pkt;
452 u64 tx_mcast_byte;
453 u64 tx_bcast_pkt;
454 u64 tx_bcast_byte;
455 u64 tx_rts_success_cnt;
456 u64 tx_pkt_per_ac[4];
457
458 u64 tx_err;
459 u64 tx_fail_cnt;
460 u64 tx_retry_cnt;
461 u64 tx_mult_retry_cnt;
462 u64 tx_rts_fail_cnt;
463
464 u64 rx_pkt;
465 u64 rx_byte;
466 u64 rx_ucast_pkt;
467 u64 rx_ucast_byte;
468 u64 rx_mcast_pkt;
469 u64 rx_mcast_byte;
470 u64 rx_bcast_pkt;
471 u64 rx_bcast_byte;
472 u64 rx_frgment_pkt;
473
474 u64 rx_err;
475 u64 rx_crc_err;
476 u64 rx_key_cache_miss;
477 u64 rx_decrypt_err;
478 u64 rx_dupl_frame;
479
480 u64 tkip_local_mic_fail;
481 u64 tkip_cnter_measures_invoked;
482 u64 tkip_replays;
483 u64 tkip_fmt_err;
484 u64 ccmp_fmt_err;
485 u64 ccmp_replays;
486
487 u64 pwr_save_fail_cnt;
488
489 u64 cs_bmiss_cnt;
490 u64 cs_low_rssi_cnt;
491 u64 cs_connect_cnt;
492 u64 cs_discon_cnt;
493
494 s32 tx_ucast_rate;
495 s32 rx_ucast_rate;
496
497 u32 lq_val;
498
499 u32 wow_pkt_dropped;
500 u16 wow_evt_discarded;
501
502 s16 noise_floor_calib;
503 s16 cs_rssi;
504 s16 cs_ave_beacon_rssi;
505 u8 cs_ave_beacon_snr;
506 u8 cs_last_roam_msec;
507 u8 cs_snr;
508
509 u8 wow_host_pkt_wakeups;
510 u8 wow_host_evt_wakeups;
511
512 u32 arp_received;
513 u32 arp_matched;
514 u32 arp_replied;
515 };
516
517 struct ath6kl_mbox_info {
518 u32 htc_addr;
519 u32 htc_ext_addr;
520 u32 htc_ext_sz;
521
522 u32 block_size;
523
524 u32 gmbox_addr;
525
526 u32 gmbox_sz;
527 };
528
529 /*
530 * 802.11i defines an extended IV for use with non-WEP ciphers.
531 * When the EXTIV bit is set in the key id byte an additional
532 * 4 bytes immediately follow the IV for TKIP. For CCMP the
533 * EXTIV bit is likewise set but the 8 bytes represent the
534 * CCMP header rather than IV+extended-IV.
535 */
536
537 #define ATH6KL_KEYBUF_SIZE 16
538 #define ATH6KL_MICBUF_SIZE (8+8) /* space for both tx and rx */
539
540 #define ATH6KL_KEY_XMIT 0x01
541 #define ATH6KL_KEY_RECV 0x02
542 #define ATH6KL_KEY_DEFAULT 0x80 /* default xmit key */
543
544 /* Initial group key for AP mode */
545 struct ath6kl_req_key {
546 bool valid;
547 u8 key_index;
548 int key_type;
549 u8 key[WLAN_MAX_KEY_LEN];
550 u8 key_len;
551 };
552
553 enum ath6kl_hif_type {
554 ATH6KL_HIF_TYPE_SDIO,
555 ATH6KL_HIF_TYPE_USB,
556 };
557
558 enum ath6kl_htc_type {
559 ATH6KL_HTC_TYPE_MBOX,
560 ATH6KL_HTC_TYPE_PIPE,
561 };
562
563 /* Max number of filters that hw supports */
564 #define ATH6K_MAX_MC_FILTERS_PER_LIST 7
565 struct ath6kl_mc_filter {
566 struct list_head list;
567 char hw_addr[ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE];
568 };
569
570 struct ath6kl_htcap {
571 bool ht_enable;
572 u8 ampdu_factor;
573 unsigned short cap_info;
574 };
575
576 /*
577 * Driver's maximum limit, note that some firmwares support only one vif
578 * and the runtime (current) limit must be checked from ar->vif_max.
579 */
580 #define ATH6KL_VIF_MAX 3
581
582 /* vif flags info */
583 enum ath6kl_vif_state {
584 CONNECTED,
585 CONNECT_PEND,
586 WMM_ENABLED,
587 NETQ_STOPPED,
588 DTIM_EXPIRED,
589 CLEAR_BSSFILTER_ON_BEACON,
590 DTIM_PERIOD_AVAIL,
591 WLAN_ENABLED,
592 STATS_UPDATE_PEND,
593 HOST_SLEEP_MODE_CMD_PROCESSED,
594 NETDEV_MCAST_ALL_ON,
595 NETDEV_MCAST_ALL_OFF,
596 SCHED_SCANNING,
597 };
598
599 struct ath6kl_vif {
600 struct list_head list;
601 struct wireless_dev wdev;
602 struct net_device *ndev;
603 struct ath6kl *ar;
604 /* Lock to protect vif specific net_stats and flags */
605 spinlock_t if_lock;
606 u8 fw_vif_idx;
607 unsigned long flags;
608 int ssid_len;
609 u8 ssid[IEEE80211_MAX_SSID_LEN];
610 u8 dot11_auth_mode;
611 u8 auth_mode;
612 u8 prwise_crypto;
613 u8 prwise_crypto_len;
614 u8 grp_crypto;
615 u8 grp_crypto_len;
616 u8 def_txkey_index;
617 u8 next_mode;
618 u8 nw_type;
619 u8 bssid[ETH_ALEN];
620 u8 req_bssid[ETH_ALEN];
621 u16 ch_hint;
622 u16 bss_ch;
623 struct ath6kl_wep_key wep_key_list[WMI_MAX_KEY_INDEX + 1];
624 struct ath6kl_key keys[WMI_MAX_KEY_INDEX + 1];
625 struct aggr_info *aggr_cntxt;
626 struct ath6kl_htcap htcap[NUM_NL80211_BANDS];
627
628 struct timer_list disconnect_timer;
629 struct timer_list sched_scan_timer;
630
631 struct cfg80211_scan_request *scan_req;
632 enum sme_state sme_state;
633 int reconnect_flag;
634 u32 last_roc_id;
635 u32 last_cancel_roc_id;
636 u32 send_action_id;
637 bool probe_req_report;
638 u16 assoc_bss_beacon_int;
639 u16 listen_intvl_t;
640 u16 bmiss_time_t;
641 u32 txe_intvl;
642 u16 bg_scan_period;
643 u8 assoc_bss_dtim_period;
644 struct target_stats target_stats;
645 struct wmi_connect_cmd profile;
646 u16 rsn_capab;
647
648 struct list_head mc_filter;
649 };
650
ath6kl_vif_from_wdev(struct wireless_dev * wdev)651 static inline struct ath6kl_vif *ath6kl_vif_from_wdev(struct wireless_dev *wdev)
652 {
653 return container_of(wdev, struct ath6kl_vif, wdev);
654 }
655
656 #define WOW_LIST_ID 0
657 #define WOW_HOST_REQ_DELAY 500 /* ms */
658
659 #define ATH6KL_SCHED_SCAN_RESULT_DELAY 5000 /* ms */
660
661 /* Flag info */
662 enum ath6kl_dev_state {
663 WMI_ENABLED,
664 WMI_READY,
665 WMI_CTRL_EP_FULL,
666 TESTMODE,
667 DESTROY_IN_PROGRESS,
668 SKIP_SCAN,
669 ROAM_TBL_PEND,
670 FIRST_BOOT,
671 RECOVERY_CLEANUP,
672 };
673
674 enum ath6kl_state {
675 ATH6KL_STATE_OFF,
676 ATH6KL_STATE_ON,
677 ATH6KL_STATE_SUSPENDING,
678 ATH6KL_STATE_RESUMING,
679 ATH6KL_STATE_DEEPSLEEP,
680 ATH6KL_STATE_CUTPOWER,
681 ATH6KL_STATE_WOW,
682 ATH6KL_STATE_RECOVERY,
683 };
684
685 /* Fw error recovery */
686 #define ATH6KL_HB_RESP_MISS_THRES 5
687
688 enum ath6kl_fw_err {
689 ATH6KL_FW_ASSERT,
690 ATH6KL_FW_HB_RESP_FAILURE,
691 ATH6KL_FW_EP_FULL,
692 };
693
694 struct ath6kl {
695 struct device *dev;
696 struct wiphy *wiphy;
697
698 enum ath6kl_state state;
699 unsigned int testmode;
700
701 struct ath6kl_bmi bmi;
702 const struct ath6kl_hif_ops *hif_ops;
703 const struct ath6kl_htc_ops *htc_ops;
704 struct wmi *wmi;
705 int tx_pending[ENDPOINT_MAX];
706 int total_tx_data_pend;
707 struct htc_target *htc_target;
708 enum ath6kl_hif_type hif_type;
709 void *hif_priv;
710 struct list_head vif_list;
711 /* Lock to avoid race in vif_list entries among add/del/traverse */
712 spinlock_t list_lock;
713 u8 num_vif;
714 unsigned int vif_max;
715 u8 max_norm_iface;
716 u8 avail_idx_map;
717
718 /*
719 * Protects at least amsdu_rx_buffer_queue, ath6kl_alloc_cookie()
720 * calls, tx_pending and total_tx_data_pend.
721 */
722 spinlock_t lock;
723
724 struct semaphore sem;
725 u8 lrssi_roam_threshold;
726 struct ath6kl_version version;
727 u32 target_type;
728 u8 tx_pwr;
729 struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
730 u8 ibss_ps_enable;
731 bool ibss_if_active;
732 u8 node_num;
733 u8 next_ep_id;
734 struct ath6kl_cookie *cookie_list;
735 u32 cookie_count;
736 enum htc_endpoint_id ac2ep_map[WMM_NUM_AC];
737 bool ac_stream_active[WMM_NUM_AC];
738 u8 ac_stream_pri_map[WMM_NUM_AC];
739 u8 hiac_stream_active_pri;
740 u8 ep2ac_map[ENDPOINT_MAX];
741 enum htc_endpoint_id ctrl_ep;
742 struct ath6kl_htc_credit_info credit_state_info;
743 u32 connect_ctrl_flags;
744 u32 user_key_ctrl;
745 u8 usr_bss_filter;
746 struct ath6kl_sta sta_list[AP_MAX_NUM_STA];
747 u8 sta_list_index;
748 struct ath6kl_req_key ap_mode_bkey;
749 struct sk_buff_head mcastpsq;
750 u32 want_ch_switch;
751 u16 last_ch;
752
753 /*
754 * FIXME: protects access to mcastpsq but is actually useless as
755 * all skbe_queue_*() functions provide serialisation themselves
756 */
757 spinlock_t mcastpsq_lock;
758
759 u8 intra_bss;
760 struct wmi_ap_mode_stat ap_stats;
761 u8 ap_country_code[3];
762 struct list_head amsdu_rx_buffer_queue;
763 u8 rx_meta_ver;
764 enum wlan_low_pwr_state wlan_pwr_state;
765 u8 mac_addr[ETH_ALEN];
766 #define AR_MCAST_FILTER_MAC_ADDR_SIZE 4
767 struct {
768 void *rx_report;
769 size_t rx_report_len;
770 } tm;
771
772 struct ath6kl_hw {
773 u32 id;
774 const char *name;
775 u32 dataset_patch_addr;
776 u32 app_load_addr;
777 u32 app_start_override_addr;
778 u32 board_ext_data_addr;
779 u32 reserved_ram_size;
780 u32 board_addr;
781 u32 refclk_hz;
782 u32 uarttx_pin;
783 u32 uarttx_rate;
784 u32 testscript_addr;
785 u8 tx_ant;
786 u8 rx_ant;
787 enum wmi_phy_cap cap;
788
789 u32 flags;
790
791 struct ath6kl_hw_fw {
792 const char *dir;
793 const char *otp;
794 const char *fw;
795 const char *tcmd;
796 const char *patch;
797 const char *utf;
798 const char *testscript;
799 } fw;
800
801 const char *fw_board;
802 const char *fw_default_board;
803 } hw;
804
805 u16 conf_flags;
806 u16 suspend_mode;
807 u16 wow_suspend_mode;
808 wait_queue_head_t event_wq;
809 struct ath6kl_mbox_info mbox_info;
810
811 struct ath6kl_cookie cookie_mem[MAX_COOKIE_NUM];
812 unsigned long flag;
813
814 u8 *fw_board;
815 size_t fw_board_len;
816
817 u8 *fw_otp;
818 size_t fw_otp_len;
819
820 u8 *fw;
821 size_t fw_len;
822
823 u8 *fw_patch;
824 size_t fw_patch_len;
825
826 u8 *fw_testscript;
827 size_t fw_testscript_len;
828
829 unsigned int fw_api;
830 unsigned long fw_capabilities[ATH6KL_CAPABILITY_LEN];
831
832 struct workqueue_struct *ath6kl_wq;
833
834 struct dentry *debugfs_phy;
835
836 bool p2p;
837
838 bool wiphy_registered;
839
840 struct ath6kl_fw_recovery {
841 struct work_struct recovery_work;
842 unsigned long err_reason;
843 unsigned long hb_poll;
844 struct timer_list hb_timer;
845 u32 seq_num;
846 bool hb_pending;
847 u8 hb_misscnt;
848 bool enable;
849 } fw_recovery;
850
851 #ifdef CONFIG_ATH6KL_DEBUG
852 struct {
853 struct sk_buff_head fwlog_queue;
854 struct completion fwlog_completion;
855 bool fwlog_open;
856
857 u32 fwlog_mask;
858
859 unsigned int dbgfs_diag_reg;
860 u32 diag_reg_addr_wr;
861 u32 diag_reg_val_wr;
862
863 struct {
864 unsigned int invalid_rate;
865 } war_stats;
866
867 u8 *roam_tbl;
868 unsigned int roam_tbl_len;
869
870 u8 keepalive;
871 u8 disc_timeout;
872 } debug;
873 #endif /* CONFIG_ATH6KL_DEBUG */
874 };
875
ath6kl_priv(struct net_device * dev)876 static inline struct ath6kl *ath6kl_priv(struct net_device *dev)
877 {
878 return ((struct ath6kl_vif *) netdev_priv(dev))->ar;
879 }
880
ath6kl_get_hi_item_addr(struct ath6kl * ar,u32 item_offset)881 static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
882 u32 item_offset)
883 {
884 u32 addr = 0;
885
886 if (ar->target_type == TARGET_TYPE_AR6003)
887 addr = ATH6KL_AR6003_HI_START_ADDR + item_offset;
888 else if (ar->target_type == TARGET_TYPE_AR6004)
889 addr = ATH6KL_AR6004_HI_START_ADDR + item_offset;
890
891 return addr;
892 }
893
894 int ath6kl_configure_target(struct ath6kl *ar);
895 void ath6kl_detect_error(unsigned long ptr);
896 void disconnect_timer_handler(struct timer_list *t);
897 void init_netdev(struct net_device *dev);
898 void ath6kl_cookie_init(struct ath6kl *ar);
899 void ath6kl_cookie_cleanup(struct ath6kl *ar);
900 void ath6kl_rx(struct htc_target *target, struct htc_packet *packet);
901 void ath6kl_tx_complete(struct htc_target *context,
902 struct list_head *packet_queue);
903 enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target,
904 struct htc_packet *packet);
905 void ath6kl_stop_txrx(struct ath6kl *ar);
906 void ath6kl_cleanup_amsdu_rxbufs(struct ath6kl *ar);
907 int ath6kl_diag_write32(struct ath6kl *ar, u32 address, __le32 value);
908 int ath6kl_diag_write(struct ath6kl *ar, u32 address, void *data, u32 length);
909 int ath6kl_diag_read32(struct ath6kl *ar, u32 address, u32 *value);
910 int ath6kl_diag_read(struct ath6kl *ar, u32 address, void *data, u32 length);
911 int ath6kl_read_fwlogs(struct ath6kl *ar);
912 void ath6kl_init_profile_info(struct ath6kl_vif *vif);
913 void ath6kl_tx_data_cleanup(struct ath6kl *ar);
914
915 struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar);
916 void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie);
917 netdev_tx_t ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev);
918
919 struct aggr_info *aggr_init(struct ath6kl_vif *vif);
920 void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info,
921 struct aggr_info_conn *aggr_conn);
922 void ath6kl_rx_refill(struct htc_target *target,
923 enum htc_endpoint_id endpoint);
924 void ath6kl_refill_amsdu_rxbufs(struct ath6kl *ar, int count);
925 struct htc_packet *ath6kl_alloc_amsdu_rxbuf(struct htc_target *target,
926 enum htc_endpoint_id endpoint,
927 int len);
928 void aggr_module_destroy(struct aggr_info *aggr_info);
929 void aggr_reset_state(struct aggr_info_conn *aggr_conn);
930
931 struct ath6kl_sta *ath6kl_find_sta(struct ath6kl_vif *vif, u8 *node_addr);
932 struct ath6kl_sta *ath6kl_find_sta_by_aid(struct ath6kl *ar, u8 aid);
933
934 void ath6kl_ready_event(void *devt, u8 *datap, u32 sw_ver, u32 abi_ver,
935 enum wmi_phy_cap cap);
936 int ath6kl_control_tx(void *devt, struct sk_buff *skb,
937 enum htc_endpoint_id eid);
938 void ath6kl_connect_event(struct ath6kl_vif *vif, u16 channel,
939 u8 *bssid, u16 listen_int,
940 u16 beacon_int, enum network_type net_type,
941 u8 beacon_ie_len, u8 assoc_req_len,
942 u8 assoc_resp_len, u8 *assoc_info);
943 void ath6kl_connect_ap_mode_bss(struct ath6kl_vif *vif, u16 channel);
944 void ath6kl_connect_ap_mode_sta(struct ath6kl_vif *vif, u16 aid, u8 *mac_addr,
945 u8 keymgmt, u8 ucipher, u8 auth,
946 u8 assoc_req_len, u8 *assoc_info, u8 apsd_info);
947 void ath6kl_disconnect_event(struct ath6kl_vif *vif, u8 reason,
948 u8 *bssid, u8 assoc_resp_len,
949 u8 *assoc_info, u16 prot_reason_status);
950 void ath6kl_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, bool ismcast);
951 void ath6kl_txpwr_rx_evt(void *devt, u8 tx_pwr);
952 void ath6kl_scan_complete_evt(struct ath6kl_vif *vif, int status);
953 void ath6kl_tgt_stats_event(struct ath6kl_vif *vif, u8 *ptr, u32 len);
954 void ath6kl_indicate_tx_activity(void *devt, u8 traffic_class, bool active);
955 enum htc_endpoint_id ath6kl_ac2_endpoint_id(void *devt, u8 ac);
956
957 void ath6kl_pspoll_event(struct ath6kl_vif *vif, u8 aid);
958
959 void ath6kl_dtimexpiry_event(struct ath6kl_vif *vif);
960 void ath6kl_disconnect(struct ath6kl_vif *vif);
961 void aggr_recv_delba_req_evt(struct ath6kl_vif *vif, u8 tid);
962 void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid, u16 seq_no,
963 u8 win_sz);
964 void ath6kl_wakeup_event(void *dev);
965
966 void ath6kl_init_control_info(struct ath6kl_vif *vif);
967 struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
968 void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready);
969 int ath6kl_init_hw_start(struct ath6kl *ar);
970 int ath6kl_init_hw_stop(struct ath6kl *ar);
971 int ath6kl_init_fetch_firmwares(struct ath6kl *ar);
972 int ath6kl_init_hw_params(struct ath6kl *ar);
973
974 void ath6kl_check_wow_status(struct ath6kl *ar);
975
976 void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb);
977 void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe);
978
979 struct ath6kl *ath6kl_core_create(struct device *dev);
980 int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type);
981 void ath6kl_core_cleanup(struct ath6kl *ar);
982 void ath6kl_core_destroy(struct ath6kl *ar);
983
984 /* Fw error recovery */
985 void ath6kl_init_hw_restart(struct ath6kl *ar);
986 void ath6kl_recovery_err_notify(struct ath6kl *ar, enum ath6kl_fw_err reason);
987 void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie);
988 void ath6kl_recovery_init(struct ath6kl *ar);
989 void ath6kl_recovery_cleanup(struct ath6kl *ar);
990 void ath6kl_recovery_suspend(struct ath6kl *ar);
991 void ath6kl_recovery_resume(struct ath6kl *ar);
992 #endif /* CORE_H */
993
