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main.h
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1 /*
2  * Marvell Wireless LAN device driver: major data structures and prototypes
3  *
4  * Copyright (C) 2011, Marvell International Ltd.
5  *
6  * This software file (the "File") is distributed by Marvell International
7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8  * (the "License"). You may use, redistribute and/or modify this File in
9  * accordance with the terms and conditions of the License, a copy of which
10  * is available by writing to the Free Software Foundation, Inc.,
11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13  *
14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16  * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17  * this warranty disclaimer.
18  */
19 
20 #ifndef _MWIFIEX_MAIN_H_
21 #define _MWIFIEX_MAIN_H_
22 
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/sched.h>
26 #include <linux/semaphore.h>
27 #include <linux/ip.h>
28 #include <linux/skbuff.h>
29 #include <linux/if_arp.h>
30 #include <linux/etherdevice.h>
31 #include <net/sock.h>
32 #include <net/lib80211.h>
33 #include <linux/firmware.h>
34 #include <linux/ctype.h>
35 
36 #include "decl.h"
37 #include "ioctl.h"
38 #include "util.h"
39 #include "fw.h"
40 #include "pcie.h"
41 
42 extern const char driver_version[];
43 
44 enum {
45  MWIFIEX_ASYNC_CMD,
46  MWIFIEX_SYNC_CMD
47 };
48 
49 #define MWIFIEX_MAX_AP 64
50 
51 #define MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT (5 * HZ)
52 
53 #define MWIFIEX_TIMER_10S 10000
54 #define MWIFIEX_TIMER_1S 1000
55 
56 #define MAX_TX_PENDING 100
57 #define LOW_TX_PENDING 80
58 
59 #define MWIFIEX_UPLD_SIZE (2312)
60 
61 #define MAX_EVENT_SIZE 1024
62 
63 #define ARP_FILTER_MAX_BUF_SIZE 68
64 
65 #define MWIFIEX_KEY_BUFFER_SIZE 16
66 #define MWIFIEX_DEFAULT_LISTEN_INTERVAL 10
67 #define MWIFIEX_MAX_REGION_CODE 7
68 
69 #define DEFAULT_BCN_AVG_FACTOR 8
70 #define DEFAULT_DATA_AVG_FACTOR 8
71 
72 #define FIRST_VALID_CHANNEL 0xff
73 #define DEFAULT_AD_HOC_CHANNEL 6
74 #define DEFAULT_AD_HOC_CHANNEL_A 36
75 
76 #define DEFAULT_BCN_MISS_TIMEOUT 5
77 
78 #define MAX_SCAN_BEACON_BUFFER 8000
79 
80 #define SCAN_BEACON_ENTRY_PAD 6
81 
82 #define MWIFIEX_PASSIVE_SCAN_CHAN_TIME 110
83 #define MWIFIEX_ACTIVE_SCAN_CHAN_TIME 30
84 #define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 30
85 
86 #define SCAN_RSSI(RSSI) (0x100 - ((u8)(RSSI)))
87 
88 #define MWIFIEX_MAX_TOTAL_SCAN_TIME (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
89 
90 #define MWIFIEX_MAX_SCAN_DELAY_CNT 50
91 #define MWIFIEX_MAX_EMPTY_TX_Q_CNT 10
92 #define MWIFIEX_SCAN_DELAY_MSEC 20
93 
94 #define MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN 2
95 
96 #define RSN_GTK_OUI_OFFSET 2
97 
98 #define MWIFIEX_OUI_NOT_PRESENT 0
99 #define MWIFIEX_OUI_PRESENT 1
100 
101 #define PKT_TYPE_MGMT 0xE5
102 
103 /*
104  * Do not check for data_received for USB, as data_received
105  * is handled in mwifiex_usb_recv for USB
106  */
107 #define IS_CARD_RX_RCVD(adapter) (adapter->cmd_resp_received || \
108  adapter->event_received || \
109  ((adapter->iface_type != MWIFIEX_USB) && \
110  adapter->data_received) || \
111  ((adapter->iface_type == MWIFIEX_USB) && \
112  !skb_queue_empty(&adapter->usb_rx_data_q)))
113 
114 #define MWIFIEX_TYPE_CMD 1
115 #define MWIFIEX_TYPE_DATA 0
116 #define MWIFIEX_TYPE_EVENT 3
117 
118 #define DBG_CMD_NUM 5
119 
120 #define MAX_BITMAP_RATES_SIZE 10
121 
122 #define MAX_CHANNEL_BAND_BG 14
123 #define MAX_CHANNEL_BAND_A 165
124 
125 #define MAX_FREQUENCY_BAND_BG 2484
126 
127 #define MWIFIEX_EVENT_HEADER_LEN 4
128 #define MWIFIEX_UAP_EVENT_EXTRA_HEADER 2
129 
130 #define MWIFIEX_TYPE_LEN 4
131 #define MWIFIEX_USB_TYPE_CMD 0xF00DFACE
132 #define MWIFIEX_USB_TYPE_DATA 0xBEADC0DE
133 #define MWIFIEX_USB_TYPE_EVENT 0xBEEFFACE
134 
135 struct mwifiex_dbg {
136  u32 num_cmd_host_to_card_failure;
137  u32 num_cmd_sleep_cfm_host_to_card_failure;
138  u32 num_tx_host_to_card_failure;
139  u32 num_event_deauth;
140  u32 num_event_disassoc;
141  u32 num_event_link_lost;
142  u32 num_cmd_deauth;
143  u32 num_cmd_assoc_success;
144  u32 num_cmd_assoc_failure;
145  u32 num_tx_timeout;
146  u32 num_cmd_timeout;
147  u16 timeout_cmd_id;
148  u16 timeout_cmd_act;
149  u16 last_cmd_id[DBG_CMD_NUM];
150  u16 last_cmd_act[DBG_CMD_NUM];
151  u16 last_cmd_index;
152  u16 last_cmd_resp_id[DBG_CMD_NUM];
153  u16 last_cmd_resp_index;
154  u16 last_event[DBG_CMD_NUM];
155  u16 last_event_index;
156 };
157 
158 enum MWIFIEX_HARDWARE_STATUS {
159  MWIFIEX_HW_STATUS_READY,
160  MWIFIEX_HW_STATUS_INITIALIZING,
161  MWIFIEX_HW_STATUS_FW_READY,
162  MWIFIEX_HW_STATUS_INIT_DONE,
163  MWIFIEX_HW_STATUS_RESET,
164  MWIFIEX_HW_STATUS_CLOSING,
165  MWIFIEX_HW_STATUS_NOT_READY
166 };
167 
168 enum MWIFIEX_802_11_POWER_MODE {
169  MWIFIEX_802_11_POWER_MODE_CAM,
170  MWIFIEX_802_11_POWER_MODE_PSP
171 };
172 
173 struct mwifiex_tx_param {
174  u32 next_pkt_len;
175 };
176 
177 enum MWIFIEX_PS_STATE {
178  PS_STATE_AWAKE,
179  PS_STATE_PRE_SLEEP,
180  PS_STATE_SLEEP_CFM,
181  PS_STATE_SLEEP
182 };
183 
184 enum mwifiex_iface_type {
185  MWIFIEX_SDIO,
186  MWIFIEX_PCIE,
187  MWIFIEX_USB
188 };
189 
190 struct mwifiex_add_ba_param {
191  u32 tx_win_size;
192  u32 rx_win_size;
193  u32 timeout;
194 };
195 
196 struct mwifiex_tx_aggr {
197  u8 ampdu_user;
198  u8 ampdu_ap;
199  u8 amsdu;
200 };
201 
202 struct mwifiex_ra_list_tbl {
203  struct list_head list;
204  struct sk_buff_head skb_head;
205  u8 ra[ETH_ALEN];
206  u32 total_pkts_size;
207  u32 is_11n_enabled;
208  u16 max_amsdu;
209  u16 pkt_count;
210  u8 ba_packet_thr;
211 };
212 
213 struct mwifiex_tid_tbl {
214  struct list_head ra_list;
215  /* spin lock for tid table */
216  spinlock_t tid_tbl_lock;
217  struct mwifiex_ra_list_tbl *ra_list_curr;
218 };
219 
220 #define WMM_HIGHEST_PRIORITY 7
221 #define HIGH_PRIO_TID 7
222 #define LOW_PRIO_TID 0
223 #define NO_PKT_PRIO_TID (-1)
224 
225 struct mwifiex_wmm_desc {
226  struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
227  u32 packets_out[MAX_NUM_TID];
228  /* spin lock to protect ra_list */
229  spinlock_t ra_list_spinlock;
230  struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS];
231  enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS];
232  u32 drv_pkt_delay_max;
233  u8 queue_priority[IEEE80211_NUM_ACS];
234  u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1]; /* UP: 0 to 7 */
235  /* Number of transmit packets queued */
236  atomic_t tx_pkts_queued;
237  /* Tracks highest priority with a packet queued */
238  atomic_t highest_queued_prio;
239 };
240 
241 struct mwifiex_802_11_security {
242  u8 wpa_enabled;
243  u8 wpa2_enabled;
244  u8 wapi_enabled;
245  u8 wapi_key_on;
246  u8 wep_enabled;
247  u32 authentication_mode;
248  u8 is_authtype_auto;
249  u32 encryption_mode;
250 };
251 
252 struct ieee_types_header {
253  u8 element_id;
254  u8 len;
255 } __packed;
256 
257 struct ieee_types_vendor_specific {
258  struct ieee_types_vendor_header vend_hdr;
259  u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
260 } __packed;
261 
262 struct ieee_types_generic {
263  struct ieee_types_header ieee_hdr;
264  u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_header)];
265 } __packed;
266 
267 struct mwifiex_bssdescriptor {
268  u8 mac_address[ETH_ALEN];
269  struct cfg80211_ssid ssid;
270  u32 privacy;
271  s32 rssi;
272  u32 channel;
273  u32 freq;
274  u16 beacon_period;
275  u8 erp_flags;
276  u32 bss_mode;
277  u8 supported_rates[MWIFIEX_SUPPORTED_RATES];
278  u8 data_rates[MWIFIEX_SUPPORTED_RATES];
279  /* Network band.
280  * BAND_B(0x01): 'b' band
281  * BAND_G(0x02): 'g' band
282  * BAND_A(0X04): 'a' band
283  */
284  u16 bss_band;
285  u64 fw_tsf;
286  u64 timestamp;
287  union ieee_types_phy_param_set phy_param_set;
288  union ieee_types_ss_param_set ss_param_set;
289  u16 cap_info_bitmap;
290  struct ieee_types_wmm_parameter wmm_ie;
291  u8 disable_11n;
292  struct ieee80211_ht_cap *bcn_ht_cap;
293  u16 ht_cap_offset;
294  struct ieee80211_ht_operation *bcn_ht_oper;
295  u16 ht_info_offset;
296  u8 *bcn_bss_co_2040;
297  u16 bss_co_2040_offset;
298  u8 *bcn_ext_cap;
299  u16 ext_cap_offset;
300  struct ieee_types_vendor_specific *bcn_wpa_ie;
301  u16 wpa_offset;
302  struct ieee_types_generic *bcn_rsn_ie;
303  u16 rsn_offset;
304  struct ieee_types_generic *bcn_wapi_ie;
305  u16 wapi_offset;
306  u8 *beacon_buf;
307  u32 beacon_buf_size;
308 };
309 
310 struct mwifiex_current_bss_params {
311  struct mwifiex_bssdescriptor bss_descriptor;
312  u8 wmm_enabled;
313  u8 wmm_uapsd_enabled;
314  u8 band;
315  u32 num_of_rates;
316  u8 data_rates[MWIFIEX_SUPPORTED_RATES];
317 };
318 
319 struct mwifiex_sleep_params {
320  u16 sp_error;
321  u16 sp_offset;
322  u16 sp_stable_time;
323  u8 sp_cal_control;
324  u8 sp_ext_sleep_clk;
325  u16 sp_reserved;
326 };
327 
328 struct mwifiex_sleep_period {
329  u16 period;
330  u16 reserved;
331 };
332 
333 struct mwifiex_wep_key {
334  u32 length;
335  u32 key_index;
336  u32 key_length;
337  u8 key_material[MWIFIEX_KEY_BUFFER_SIZE];
338 };
339 
340 #define MAX_REGION_CHANNEL_NUM 2
341 
342 struct mwifiex_chan_freq_power {
343  u16 channel;
344  u32 freq;
345  u16 max_tx_power;
346  u8 unsupported;
347 };
348 
349 enum state_11d_t {
350  DISABLE_11D = 0,
351  ENABLE_11D = 1,
352 };
353 
354 #define MWIFIEX_MAX_TRIPLET_802_11D 83
355 
356 struct mwifiex_802_11d_domain_reg {
357  u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
358  u8 no_of_triplet;
359  struct ieee80211_country_ie_triplet
360  triplet[MWIFIEX_MAX_TRIPLET_802_11D];
361 };
362 
363 struct mwifiex_vendor_spec_cfg_ie {
364  u16 mask;
365  u16 flag;
366  u8 ie[MWIFIEX_MAX_VSIE_LEN];
367 };
368 
369 struct wps {
370  u8 session_enable;
371 };
372 
373 struct mwifiex_roc_cfg {
374  u64 cookie;
375  struct ieee80211_channel chan;
376  enum nl80211_channel_type chan_type;
377 };
378 
379 struct mwifiex_adapter;
380 struct mwifiex_private;
381 
382 struct mwifiex_private {
383  struct mwifiex_adapter *adapter;
384  u8 bss_type;
385  u8 bss_role;
386  u8 bss_priority;
387  u8 bss_num;
388  u8 bss_started;
389  u8 frame_type;
390  u8 curr_addr[ETH_ALEN];
391  u8 media_connected;
392  u32 num_tx_timeout;
393  struct net_device *netdev;
394  struct net_device_stats stats;
395  u16 curr_pkt_filter;
396  u32 bss_mode;
397  u32 pkt_tx_ctrl;
398  u16 tx_power_level;
399  u8 max_tx_power_level;
400  u8 min_tx_power_level;
401  u8 tx_rate;
402  u8 tx_htinfo;
403  u8 rxpd_htinfo;
404  u8 rxpd_rate;
405  u16 rate_bitmap;
406  u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
407  u32 data_rate;
408  u8 is_data_rate_auto;
409  u16 bcn_avg_factor;
410  u16 data_avg_factor;
411  s16 data_rssi_last;
412  s16 data_nf_last;
413  s16 data_rssi_avg;
414  s16 data_nf_avg;
415  s16 bcn_rssi_last;
416  s16 bcn_nf_last;
417  s16 bcn_rssi_avg;
418  s16 bcn_nf_avg;
419  struct mwifiex_bssdescriptor *attempted_bss_desc;
420  struct cfg80211_ssid prev_ssid;
421  u8 prev_bssid[ETH_ALEN];
422  struct mwifiex_current_bss_params curr_bss_params;
423  u16 beacon_period;
424  u8 dtim_period;
425  u16 listen_interval;
426  u16 atim_window;
427  u8 adhoc_channel;
428  u8 adhoc_is_link_sensed;
429  u8 adhoc_state;
430  struct mwifiex_802_11_security sec_info;
431  struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
432  u16 wep_key_curr_index;
433  u8 wpa_ie[256];
434  u8 wpa_ie_len;
435  u8 wpa_is_gtk_set;
436  struct host_cmd_ds_802_11_key_material aes_key;
437  u8 wapi_ie[256];
438  u8 wapi_ie_len;
439  u8 *wps_ie;
440  u8 wps_ie_len;
441  u8 wmm_required;
442  u8 wmm_enabled;
443  u8 wmm_qosinfo;
444  struct mwifiex_wmm_desc wmm;
445  struct list_head sta_list;
446  /* spin lock for associated station list */
447  spinlock_t sta_list_spinlock;
448  struct list_head tx_ba_stream_tbl_ptr;
449  /* spin lock for tx_ba_stream_tbl_ptr queue */
450  spinlock_t tx_ba_stream_tbl_lock;
451  struct mwifiex_tx_aggr aggr_prio_tbl[MAX_NUM_TID];
452  struct mwifiex_add_ba_param add_ba_param;
453  u16 rx_seq[MAX_NUM_TID];
454  struct list_head rx_reorder_tbl_ptr;
455  /* spin lock for rx_reorder_tbl_ptr queue */
456  spinlock_t rx_reorder_tbl_lock;
457  /* spin lock for Rx packets */
458  spinlock_t rx_pkt_lock;
459 
460 #define MWIFIEX_ASSOC_RSP_BUF_SIZE 500
461  u8 assoc_rsp_buf[MWIFIEX_ASSOC_RSP_BUF_SIZE];
462  u32 assoc_rsp_size;
463 
464 #define MWIFIEX_GENIE_BUF_SIZE 256
465  u8 gen_ie_buf[MWIFIEX_GENIE_BUF_SIZE];
466  u8 gen_ie_buf_len;
467 
468  struct mwifiex_vendor_spec_cfg_ie vs_ie[MWIFIEX_MAX_VSIE_NUM];
469 
470 #define MWIFIEX_ASSOC_TLV_BUF_SIZE 256
471  u8 assoc_tlv_buf[MWIFIEX_ASSOC_TLV_BUF_SIZE];
472  u8 assoc_tlv_buf_len;
473 
474  u8 *curr_bcn_buf;
475  u32 curr_bcn_size;
476  /* spin lock for beacon buffer */
477  spinlock_t curr_bcn_buf_lock;
478  struct wireless_dev *wdev;
479  struct mwifiex_chan_freq_power cfp;
480  char version_str[128];
481 #ifdef CONFIG_DEBUG_FS
482  struct dentry *dfs_dev_dir;
483 #endif
484  u8 nick_name[16];
485  u16 current_key_index;
486  struct semaphore async_sem;
487  u8 scan_pending_on_block;
488  u8 report_scan_result;
489  struct cfg80211_scan_request *scan_request;
490  struct mwifiex_user_scan_cfg *user_scan_cfg;
491  u8 cfg_bssid[6];
492  struct wps wps;
493  u8 scan_block;
494  s32 cqm_rssi_thold;
495  u32 cqm_rssi_hyst;
496  u8 subsc_evt_rssi_state;
497  struct mwifiex_ds_misc_subsc_evt async_subsc_evt_storage;
498  struct mwifiex_ie mgmt_ie[MAX_MGMT_IE_INDEX];
499  u16 beacon_idx;
500  u16 proberesp_idx;
501  u16 assocresp_idx;
502  u16 rsn_idx;
503  struct timer_list scan_delay_timer;
504  u8 ap_11n_enabled;
505  u32 mgmt_frame_mask;
506  struct mwifiex_roc_cfg roc_cfg;
507 };
508 
509 enum mwifiex_ba_status {
510  BA_SETUP_NONE = 0,
511  BA_SETUP_INPROGRESS,
512  BA_SETUP_COMPLETE
513 };
514 
515 struct mwifiex_tx_ba_stream_tbl {
516  struct list_head list;
517  int tid;
518  u8 ra[ETH_ALEN];
519  enum mwifiex_ba_status ba_status;
520 };
521 
522 struct mwifiex_rx_reorder_tbl;
523 
524 struct reorder_tmr_cnxt {
525  struct timer_list timer;
526  struct mwifiex_rx_reorder_tbl *ptr;
527  struct mwifiex_private *priv;
528 };
529 
530 struct mwifiex_rx_reorder_tbl {
531  struct list_head list;
532  int tid;
533  u8 ta[ETH_ALEN];
534  int start_win;
535  int win_size;
536  void **rx_reorder_ptr;
537  struct reorder_tmr_cnxt timer_context;
538  u8 flags;
539 };
540 
541 struct mwifiex_bss_prio_node {
542  struct list_head list;
543  struct mwifiex_private *priv;
544 };
545 
546 struct mwifiex_bss_prio_tbl {
547  struct list_head bss_prio_head;
548  /* spin lock for bss priority */
549  spinlock_t bss_prio_lock;
550  struct mwifiex_bss_prio_node *bss_prio_cur;
551 };
552 
553 struct cmd_ctrl_node {
554  struct list_head list;
555  struct mwifiex_private *priv;
556  u32 cmd_oid;
557  u32 cmd_flag;
558  struct sk_buff *cmd_skb;
559  struct sk_buff *resp_skb;
560  void *data_buf;
561  u32 wait_q_enabled;
562  struct sk_buff *skb;
563  u8 *condition;
564  u8 cmd_wait_q_woken;
565 };
566 
567 struct mwifiex_bss_priv {
568  u8 band;
569  u64 fw_tsf;
570 };
571 
572 /* This is AP specific structure which stores information
573  * about associated STA
574  */
575 struct mwifiex_sta_node {
576  struct list_head list;
577  u8 mac_addr[ETH_ALEN];
578  u8 is_wmm_enabled;
579  u8 is_11n_enabled;
580  u8 ampdu_sta[MAX_NUM_TID];
581  u16 rx_seq[MAX_NUM_TID];
582  u16 max_amsdu;
583 };
584 
585 struct mwifiex_if_ops {
586  int (*init_if) (struct mwifiex_adapter *);
587  void (*cleanup_if) (struct mwifiex_adapter *);
588  int (*check_fw_status) (struct mwifiex_adapter *, u32);
589  int (*prog_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
590  int (*register_dev) (struct mwifiex_adapter *);
591  void (*unregister_dev) (struct mwifiex_adapter *);
592  int (*enable_int) (struct mwifiex_adapter *);
593  int (*process_int_status) (struct mwifiex_adapter *);
594  int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *,
595  struct mwifiex_tx_param *);
596  int (*wakeup) (struct mwifiex_adapter *);
597  int (*wakeup_complete) (struct mwifiex_adapter *);
598 
599  /* Interface specific functions */
600  void (*update_mp_end_port) (struct mwifiex_adapter *, u16);
601  void (*cleanup_mpa_buf) (struct mwifiex_adapter *);
602  int (*cmdrsp_complete) (struct mwifiex_adapter *, struct sk_buff *);
603  int (*event_complete) (struct mwifiex_adapter *, struct sk_buff *);
604  int (*data_complete) (struct mwifiex_adapter *, struct sk_buff *);
605  int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *);
606 };
607 
608 struct mwifiex_adapter {
609  u8 iface_type;
610  struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
611  u8 priv_num;
612  const struct firmware *firmware;
613  char fw_name[32];
614  int winner;
615  struct device *dev;
616  struct wiphy *wiphy;
617  bool surprise_removed;
618  u32 fw_release_number;
619  u16 init_wait_q_woken;
620  wait_queue_head_t init_wait_q;
621  void *card;
622  struct mwifiex_if_ops if_ops;
623  atomic_t rx_pending;
624  atomic_t tx_pending;
625  atomic_t cmd_pending;
626  struct workqueue_struct *workqueue;
627  struct work_struct main_work;
628  struct mwifiex_bss_prio_tbl bss_prio_tbl[MWIFIEX_MAX_BSS_NUM];
629  /* spin lock for init/shutdown */
630  spinlock_t mwifiex_lock;
631  /* spin lock for main process */
632  spinlock_t main_proc_lock;
633  u32 mwifiex_processing;
634  u16 max_tx_buf_size;
635  u16 tx_buf_size;
636  u16 curr_tx_buf_size;
637  u32 ioport;
638  enum MWIFIEX_HARDWARE_STATUS hw_status;
639  u16 number_of_antenna;
640  u32 fw_cap_info;
641  /* spin lock for interrupt handling */
642  spinlock_t int_lock;
643  u8 int_status;
644  u32 event_cause;
645  struct sk_buff *event_skb;
646  u8 upld_buf[MWIFIEX_UPLD_SIZE];
647  u8 data_sent;
648  u8 cmd_sent;
649  u8 cmd_resp_received;
650  u8 event_received;
651  u8 data_received;
652  u16 seq_num;
653  struct cmd_ctrl_node *cmd_pool;
654  struct cmd_ctrl_node *curr_cmd;
655  /* spin lock for command */
656  spinlock_t mwifiex_cmd_lock;
657  u32 num_cmd_timeout;
658  u16 last_init_cmd;
659  struct timer_list cmd_timer;
660  struct list_head cmd_free_q;
661  /* spin lock for cmd_free_q */
662  spinlock_t cmd_free_q_lock;
663  struct list_head cmd_pending_q;
664  /* spin lock for cmd_pending_q */
665  spinlock_t cmd_pending_q_lock;
666  struct list_head scan_pending_q;
667  /* spin lock for scan_pending_q */
668  spinlock_t scan_pending_q_lock;
669  struct sk_buff_head usb_rx_data_q;
670  u32 scan_processing;
671  u16 region_code;
672  struct mwifiex_802_11d_domain_reg domain_reg;
673  u16 scan_probes;
674  u32 scan_mode;
675  u16 specific_scan_time;
676  u16 active_scan_time;
677  u16 passive_scan_time;
678  u8 fw_bands;
679  u8 adhoc_start_band;
680  u8 config_bands;
681  struct mwifiex_chan_scan_param_set *scan_channels;
682  u8 tx_lock_flag;
683  struct mwifiex_sleep_params sleep_params;
684  struct mwifiex_sleep_period sleep_period;
685  u16 ps_mode;
686  u32 ps_state;
687  u8 need_to_wakeup;
688  u16 multiple_dtim;
689  u16 local_listen_interval;
690  u16 null_pkt_interval;
691  struct sk_buff *sleep_cfm;
692  u16 bcn_miss_time_out;
693  u16 adhoc_awake_period;
694  u8 is_deep_sleep;
695  u8 delay_null_pkt;
696  u16 delay_to_ps;
697  u16 enhanced_ps_mode;
698  u8 pm_wakeup_card_req;
699  u16 gen_null_pkt;
700  u16 pps_uapsd_mode;
701  u32 pm_wakeup_fw_try;
702  u8 is_hs_configured;
703  struct mwifiex_hs_config_param hs_cfg;
704  u8 hs_activated;
705  u16 hs_activate_wait_q_woken;
706  wait_queue_head_t hs_activate_wait_q;
707  bool is_suspended;
708  u8 event_body[MAX_EVENT_SIZE];
709  u32 hw_dot_11n_dev_cap;
710  u8 hw_dev_mcs_support;
711  u8 adhoc_11n_enabled;
712  u8 sec_chan_offset;
713  struct mwifiex_dbg dbg;
714  u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
715  u32 arp_filter_size;
716  u16 cmd_wait_q_required;
717  struct mwifiex_wait_queue cmd_wait_q;
718  u8 scan_wait_q_woken;
719  struct cmd_ctrl_node *cmd_queued;
720  spinlock_t queue_lock; /* lock for tx queues */
721  struct completion fw_load;
722  u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
723  u16 max_mgmt_ie_index;
724  u8 scan_delay_cnt;
725  u8 empty_tx_q_cnt;
726  atomic_t is_tx_received;
727  atomic_t pending_bridged_pkts;
728 };
729 
730 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
731 
732 void mwifiex_set_trans_start(struct net_device *dev);
733 
734 void mwifiex_stop_net_dev_queue(struct net_device *netdev,
735  struct mwifiex_adapter *adapter);
736 
737 void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
738  struct mwifiex_adapter *adapter);
739 
740 int mwifiex_init_priv(struct mwifiex_private *priv);
741 void mwifiex_free_priv(struct mwifiex_private *priv);
742 
743 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
744 
745 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
746 
747 int mwifiex_shutdown_drv(struct mwifiex_adapter *adapter);
748 
749 int mwifiex_shutdown_fw_complete(struct mwifiex_adapter *adapter);
750 
751 int mwifiex_dnld_fw(struct mwifiex_adapter *, struct mwifiex_fw_image *);
752 
753 int mwifiex_recv_packet(struct mwifiex_adapter *, struct sk_buff *skb);
754 
755 int mwifiex_process_mgmt_packet(struct mwifiex_adapter *adapter,
756  struct sk_buff *skb);
757 
758 int mwifiex_process_event(struct mwifiex_adapter *adapter);
759 
760 int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
761  struct cmd_ctrl_node *cmd_node);
762 
763 int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no,
764  u16 cmd_action, u32 cmd_oid, void *data_buf);
765 
766 int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no,
767  u16 cmd_action, u32 cmd_oid, void *data_buf);
768 
769 void mwifiex_cmd_timeout_func(unsigned long function_context);
770 
771 int mwifiex_get_debug_info(struct mwifiex_private *,
772  struct mwifiex_debug_info *);
773 
774 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter);
775 int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter);
776 void mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter);
777 void mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter);
778 
779 void mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter,
780  struct cmd_ctrl_node *cmd_node);
781 
782 void mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter,
783  struct cmd_ctrl_node *cmd_node,
784  u32 addtail);
785 
786 int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter);
787 int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter);
788 int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter,
789  struct sk_buff *skb);
790 int mwifiex_process_tx(struct mwifiex_private *priv, struct sk_buff *skb,
791  struct mwifiex_tx_param *tx_param);
792 int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags);
793 int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
794  struct sk_buff *skb, int status);
795 void mwifiex_clean_txrx(struct mwifiex_private *priv);
796 u8 mwifiex_check_last_packet_indication(struct mwifiex_private *priv);
797 void mwifiex_check_ps_cond(struct mwifiex_adapter *adapter);
798 void mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *, u8 *,
799  u32);
800 int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv,
801  struct host_cmd_ds_command *cmd,
802  u16 cmd_action, uint16_t ps_bitmap,
803  struct mwifiex_ds_auto_ds *auto_ds);
804 int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv,
805  struct host_cmd_ds_command *resp,
806  struct mwifiex_ds_pm_cfg *pm_cfg);
807 void mwifiex_process_hs_config(struct mwifiex_adapter *adapter);
808 void mwifiex_hs_activated_event(struct mwifiex_private *priv,
809  u8 activated);
810 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
811  struct host_cmd_ds_command *resp);
812 int mwifiex_process_rx_packet(struct mwifiex_adapter *adapter,
813  struct sk_buff *skb);
814 int mwifiex_sta_prepare_cmd(struct mwifiex_private *, uint16_t cmd_no,
815  u16 cmd_action, u32 cmd_oid,
816  void *data_buf, void *cmd_buf);
817 int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
818  u16 cmd_action, u32 cmd_oid,
819  void *data_buf, void *cmd_buf);
820 int mwifiex_process_sta_cmdresp(struct mwifiex_private *, u16 cmdresp_no,
821  struct host_cmd_ds_command *resp);
822 int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
823  struct sk_buff *skb);
824 int mwifiex_process_uap_rx_packet(struct mwifiex_adapter *adapter,
825  struct sk_buff *skb);
826 int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
827  struct sk_buff *skb);
828 int mwifiex_process_sta_event(struct mwifiex_private *);
829 int mwifiex_process_uap_event(struct mwifiex_private *);
830 struct mwifiex_sta_node *
831 mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac);
832 void mwifiex_delete_all_station_list(struct mwifiex_private *priv);
833 void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
834 void *mwifiex_process_uap_txpd(struct mwifiex_private *, struct sk_buff *skb);
835 int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
836 int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
837  struct mwifiex_scan_cmd_config *scan_cfg);
838 void mwifiex_queue_scan_cmd(struct mwifiex_private *priv,
839  struct cmd_ctrl_node *cmd_node);
840 int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
841  struct host_cmd_ds_command *resp);
842 s32 mwifiex_ssid_cmp(struct cfg80211_ssid *ssid1, struct cfg80211_ssid *ssid2);
843 int mwifiex_associate(struct mwifiex_private *priv,
844  struct mwifiex_bssdescriptor *bss_desc);
845 int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
846  struct host_cmd_ds_command *cmd,
847  struct mwifiex_bssdescriptor *bss_desc);
848 int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
849  struct host_cmd_ds_command *resp);
850 void mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason);
851 u8 mwifiex_band_to_radio_type(u8 band);
852 int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac);
853 int mwifiex_adhoc_start(struct mwifiex_private *priv,
854  struct cfg80211_ssid *adhoc_ssid);
855 int mwifiex_adhoc_join(struct mwifiex_private *priv,
856  struct mwifiex_bssdescriptor *bss_desc);
857 int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
858  struct host_cmd_ds_command *cmd,
859  struct cfg80211_ssid *req_ssid);
860 int mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
861  struct host_cmd_ds_command *cmd,
862  struct mwifiex_bssdescriptor *bss_desc);
863 int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
864  struct host_cmd_ds_command *resp);
865 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
866 struct mwifiex_chan_freq_power *mwifiex_get_cfp(struct mwifiex_private *priv,
867  u8 band, u16 channel, u32 freq);
868 u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
869  u8 ht_info);
870 u32 mwifiex_find_freq_from_band_chan(u8, u8);
871 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
872  u8 **buffer);
873 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv,
874  u8 *rates);
875 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates);
876 u8 mwifiex_is_rate_auto(struct mwifiex_private *priv);
877 extern u16 region_code_index[MWIFIEX_MAX_REGION_CODE];
878 void mwifiex_save_curr_bcn(struct mwifiex_private *priv);
879 void mwifiex_free_curr_bcn(struct mwifiex_private *priv);
880 int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv,
881  struct host_cmd_ds_command *cmd);
882 int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
883  struct host_cmd_ds_command *resp);
884 int is_command_pending(struct mwifiex_adapter *adapter);
885 void mwifiex_init_priv_params(struct mwifiex_private *priv,
886  struct net_device *dev);
887 int mwifiex_set_secure_params(struct mwifiex_private *priv,
888  struct mwifiex_uap_bss_param *bss_config,
889  struct cfg80211_ap_settings *params);
890 void mwifiex_set_ht_params(struct mwifiex_private *priv,
891  struct mwifiex_uap_bss_param *bss_cfg,
892  struct cfg80211_ap_settings *params);
893 void mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
894  struct cfg80211_ap_settings *params);
895 
896 /*
897  * This function checks if the queuing is RA based or not.
898  */
899 static inline u8
900 mwifiex_queuing_ra_based(struct mwifiex_private *priv)
901 {
902  /*
903  * Currently we assume if we are in Infra, then DA=RA. This might not be
904  * true in the future
905  */
906  if ((priv->bss_mode == NL80211_IFTYPE_STATION) &&
907  (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA))
908  return false;
909 
910  return true;
911 }
912 
913 /*
914  * This function copies rates.
915  */
916 static inline u32
917 mwifiex_copy_rates(u8 *dest, u32 pos, u8 *src, int len)
918 {
919  int i;
920 
921  for (i = 0; i < len && src[i]; i++, pos++) {
922  if (pos >= MWIFIEX_SUPPORTED_RATES)
923  break;
924  dest[pos] = src[i];
925  }
926 
927  return pos;
928 }
929 
930 /*
931  * This function returns the correct private structure pointer based
932  * upon the BSS type and BSS number.
933  */
934 static inline struct mwifiex_private *
935 mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
936  u8 bss_num, u8 bss_type)
937 {
938  int i;
939 
940  for (i = 0; i < adapter->priv_num; i++) {
941  if (adapter->priv[i]) {
942  if ((adapter->priv[i]->bss_num == bss_num) &&
943  (adapter->priv[i]->bss_type == bss_type))
944  break;
945  }
946  }
947  return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
948 }
949 
950 /*
951  * This function returns the first available private structure pointer
952  * based upon the BSS role.
953  */
954 static inline struct mwifiex_private *
955 mwifiex_get_priv(struct mwifiex_adapter *adapter,
956  enum mwifiex_bss_role bss_role)
957 {
958  int i;
959 
960  for (i = 0; i < adapter->priv_num; i++) {
961  if (adapter->priv[i]) {
962  if (bss_role == MWIFIEX_BSS_ROLE_ANY ||
963  GET_BSS_ROLE(adapter->priv[i]) == bss_role)
964  break;
965  }
966  }
967 
968  return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
969 }
970 
971 /*
972  * This function returns the driver private structure of a network device.
973  */
974 static inline struct mwifiex_private *
975 mwifiex_netdev_get_priv(struct net_device *dev)
976 {
977  return (struct mwifiex_private *) (*(unsigned long *) netdev_priv(dev));
978 }
979 
980 /*
981  * This function checks if a skb holds a management frame.
982  */
983 static inline bool mwifiex_is_skb_mgmt_frame(struct sk_buff *skb)
984 {
985  return (*(u32 *)skb->data == PKT_TYPE_MGMT);
986 }
987 
988 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
989  u32 func_init_shutdown);
990 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
991 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
992 
993 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
994  int maxlen);
995 int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
996  struct mwifiex_multicast_list *mcast_list);
997 int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
998  struct net_device *dev);
999 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter);
1000 int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
1001  struct cfg80211_ssid *req_ssid);
1002 int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
1003 int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
1004 int mwifiex_disable_auto_ds(struct mwifiex_private *priv);
1005 int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate);
1006 int mwifiex_request_scan(struct mwifiex_private *priv,
1007  struct cfg80211_ssid *req_ssid);
1008 int mwifiex_scan_networks(struct mwifiex_private *priv,
1009  const struct mwifiex_user_scan_cfg *user_scan_in);
1010 int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
1011 
1012 int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
1013  const u8 *key, int key_len, u8 key_index,
1014  const u8 *mac_addr, int disable);
1015 
1016 int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
1017 
1018 int mwifiex_get_ver_ext(struct mwifiex_private *priv);
1019 
1020 int mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1021  struct ieee80211_channel *chan,
1022  enum nl80211_channel_type *channel_type,
1023  unsigned int duration);
1024 
1025 int mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role);
1026 
1027 int mwifiex_get_stats_info(struct mwifiex_private *priv,
1028  struct mwifiex_ds_get_stats *log);
1029 
1030 int mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1031  u32 reg_offset, u32 reg_value);
1032 
1033 int mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1034  u32 reg_offset, u32 *value);
1035 
1036 int mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1037  u8 *value);
1038 
1039 int mwifiex_set_11n_httx_cfg(struct mwifiex_private *priv, int data);
1040 
1041 int mwifiex_get_11n_httx_cfg(struct mwifiex_private *priv, int *data);
1042 
1043 int mwifiex_set_tx_rate_cfg(struct mwifiex_private *priv, int tx_rate_index);
1044 
1045 int mwifiex_get_tx_rate_cfg(struct mwifiex_private *priv, int *tx_rate_index);
1046 
1047 int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode);
1048 
1049 int mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter,
1050  char *version, int max_len);
1051 
1052 int mwifiex_set_tx_power(struct mwifiex_private *priv,
1053  struct mwifiex_power_cfg *power_cfg);
1054 
1055 int mwifiex_main_process(struct mwifiex_adapter *);
1056 
1057 int mwifiex_queue_tx_pkt(struct mwifiex_private *priv, struct sk_buff *skb);
1058 
1059 int mwifiex_get_bss_info(struct mwifiex_private *,
1060  struct mwifiex_bss_info *);
1061 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
1062  struct cfg80211_bss *bss,
1063  struct mwifiex_bssdescriptor *bss_desc);
1064 int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
1065  struct mwifiex_bssdescriptor *bss_entry);
1066 int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
1067  struct mwifiex_bssdescriptor *bss_desc);
1068 
1069 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type);
1070 
1071 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1072  const char *name,
1073  enum nl80211_iftype type,
1074  u32 *flags,
1075  struct vif_params *params);
1076 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev);
1077 
1078 void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config);
1079 
1080 int mwifiex_set_mgmt_ies(struct mwifiex_private *priv,
1081  struct cfg80211_beacon_data *data);
1082 int mwifiex_del_mgmt_ies(struct mwifiex_private *priv);
1083 u8 *mwifiex_11d_code_2_region(u8 code);
1084 
1085 #ifdef CONFIG_DEBUG_FS
1086 void mwifiex_debugfs_init(void);
1087 void mwifiex_debugfs_remove(void);
1088 
1089 void mwifiex_dev_debugfs_init(struct mwifiex_private *priv);
1090 void mwifiex_dev_debugfs_remove(struct mwifiex_private *priv);
1091 #endif
1092 #endif /* !_MWIFIEX_MAIN_H_ */
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