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5b435de0 AS |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
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 ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #ifndef _wl_cfg80211_h_ | |
18 | #define _wl_cfg80211_h_ | |
19 | ||
20 | struct brcmf_cfg80211_conf; | |
21 | struct brcmf_cfg80211_iface; | |
22 | struct brcmf_cfg80211_priv; | |
23 | struct brcmf_cfg80211_security; | |
24 | struct brcmf_cfg80211_ibss; | |
25 | ||
26 | #define WL_DBG_NONE 0 | |
27 | #define WL_DBG_CONN (1 << 5) | |
28 | #define WL_DBG_SCAN (1 << 4) | |
29 | #define WL_DBG_TRACE (1 << 3) | |
30 | #define WL_DBG_INFO (1 << 1) | |
31 | #define WL_DBG_ERR (1 << 0) | |
32 | #define WL_DBG_MASK ((WL_DBG_INFO | WL_DBG_ERR | WL_DBG_TRACE) | \ | |
33 | (WL_DBG_SCAN) | (WL_DBG_CONN)) | |
34 | ||
02f77195 | 35 | #define WL_ERR(fmt, ...) \ |
5b435de0 AS |
36 | do { \ |
37 | if (brcmf_dbg_level & WL_DBG_ERR) { \ | |
38 | if (net_ratelimit()) { \ | |
02f77195 JP |
39 | pr_err("ERROR @%s : " fmt, \ |
40 | __func__, ##__VA_ARGS__); \ | |
5b435de0 AS |
41 | } \ |
42 | } \ | |
43 | } while (0) | |
44 | ||
8ae74654 | 45 | #if (defined DEBUG) |
02f77195 | 46 | #define WL_INFO(fmt, ...) \ |
5b435de0 AS |
47 | do { \ |
48 | if (brcmf_dbg_level & WL_DBG_INFO) { \ | |
49 | if (net_ratelimit()) { \ | |
02f77195 JP |
50 | pr_err("INFO @%s : " fmt, \ |
51 | __func__, ##__VA_ARGS__); \ | |
5b435de0 AS |
52 | } \ |
53 | } \ | |
54 | } while (0) | |
55 | ||
02f77195 | 56 | #define WL_TRACE(fmt, ...) \ |
5b435de0 AS |
57 | do { \ |
58 | if (brcmf_dbg_level & WL_DBG_TRACE) { \ | |
59 | if (net_ratelimit()) { \ | |
02f77195 JP |
60 | pr_err("TRACE @%s : " fmt, \ |
61 | __func__, ##__VA_ARGS__); \ | |
5b435de0 AS |
62 | } \ |
63 | } \ | |
64 | } while (0) | |
65 | ||
02f77195 | 66 | #define WL_SCAN(fmt, ...) \ |
5b435de0 AS |
67 | do { \ |
68 | if (brcmf_dbg_level & WL_DBG_SCAN) { \ | |
69 | if (net_ratelimit()) { \ | |
02f77195 JP |
70 | pr_err("SCAN @%s : " fmt, \ |
71 | __func__, ##__VA_ARGS__); \ | |
5b435de0 AS |
72 | } \ |
73 | } \ | |
74 | } while (0) | |
75 | ||
02f77195 | 76 | #define WL_CONN(fmt, ...) \ |
5b435de0 AS |
77 | do { \ |
78 | if (brcmf_dbg_level & WL_DBG_CONN) { \ | |
79 | if (net_ratelimit()) { \ | |
02f77195 JP |
80 | pr_err("CONN @%s : " fmt, \ |
81 | __func__, ##__VA_ARGS__); \ | |
5b435de0 AS |
82 | } \ |
83 | } \ | |
84 | } while (0) | |
85 | ||
8ae74654 | 86 | #else /* (defined DEBUG) */ |
5b435de0 AS |
87 | #define WL_INFO(fmt, args...) |
88 | #define WL_TRACE(fmt, args...) | |
89 | #define WL_SCAN(fmt, args...) | |
90 | #define WL_CONN(fmt, args...) | |
8ae74654 | 91 | #endif /* (defined DEBUG) */ |
5b435de0 AS |
92 | |
93 | #define WL_NUM_SCAN_MAX 1 | |
94 | #define WL_NUM_PMKIDS_MAX MAXPMKID /* will be used | |
95 | * for 2.6.33 kernel | |
96 | * or later | |
97 | */ | |
98 | #define WL_SCAN_BUF_MAX (1024 * 8) | |
99 | #define WL_TLV_INFO_MAX 1024 | |
100 | #define WL_BSS_INFO_MAX 2048 | |
101 | #define WL_ASSOC_INFO_MAX 512 /* | |
102 | * needs to grab assoc info from dongle to | |
103 | * report it to cfg80211 through "connect" | |
104 | * event | |
105 | */ | |
106 | #define WL_DCMD_LEN_MAX 1024 | |
107 | #define WL_EXTRA_BUF_MAX 2048 | |
108 | #define WL_ISCAN_BUF_MAX 2048 /* | |
109 | * the buf length can be BRCMF_DCMD_MAXLEN | |
110 | * to reduce iteration | |
111 | */ | |
112 | #define WL_ISCAN_TIMER_INTERVAL_MS 3000 | |
113 | #define WL_SCAN_ERSULTS_LAST (BRCMF_SCAN_RESULTS_NO_MEM+1) | |
114 | #define WL_AP_MAX 256 /* virtually unlimitted as long | |
115 | * as kernel memory allows | |
116 | */ | |
117 | ||
118 | #define WL_ROAM_TRIGGER_LEVEL -75 | |
119 | #define WL_ROAM_DELTA 20 | |
120 | #define WL_BEACON_TIMEOUT 3 | |
121 | ||
122 | #define WL_SCAN_CHANNEL_TIME 40 | |
123 | #define WL_SCAN_UNASSOC_TIME 40 | |
124 | #define WL_SCAN_PASSIVE_TIME 120 | |
125 | ||
e756af5b HM |
126 | #define WL_ESCAN_BUF_SIZE (1024 * 64) |
127 | #define WL_ESCAN_TIMER_INTERVAL_MS 8000 /* E-Scan timeout */ | |
128 | ||
129 | #define WL_ESCAN_ACTION_START 1 | |
130 | #define WL_ESCAN_ACTION_CONTINUE 2 | |
131 | #define WL_ESCAN_ACTION_ABORT 3 | |
132 | ||
5b435de0 AS |
133 | /* dongle status */ |
134 | enum wl_status { | |
135 | WL_STATUS_READY, | |
136 | WL_STATUS_SCANNING, | |
137 | WL_STATUS_SCAN_ABORTING, | |
138 | WL_STATUS_CONNECTING, | |
139 | WL_STATUS_CONNECTED | |
140 | }; | |
141 | ||
142 | /* wi-fi mode */ | |
143 | enum wl_mode { | |
144 | WL_MODE_BSS, | |
145 | WL_MODE_IBSS, | |
146 | WL_MODE_AP | |
147 | }; | |
148 | ||
149 | /* dongle profile list */ | |
150 | enum wl_prof_list { | |
151 | WL_PROF_MODE, | |
152 | WL_PROF_SSID, | |
153 | WL_PROF_SEC, | |
154 | WL_PROF_IBSS, | |
155 | WL_PROF_BAND, | |
156 | WL_PROF_BSSID, | |
157 | WL_PROF_ACT, | |
158 | WL_PROF_BEACONINT, | |
159 | WL_PROF_DTIMPERIOD | |
160 | }; | |
161 | ||
162 | /* dongle iscan state */ | |
163 | enum wl_iscan_state { | |
164 | WL_ISCAN_STATE_IDLE, | |
165 | WL_ISCAN_STATE_SCANING | |
166 | }; | |
167 | ||
168 | /* dongle configuration */ | |
169 | struct brcmf_cfg80211_conf { | |
170 | u32 mode; /* adhoc , infrastructure or ap */ | |
171 | u32 frag_threshold; | |
172 | u32 rts_threshold; | |
173 | u32 retry_short; | |
174 | u32 retry_long; | |
175 | s32 tx_power; | |
176 | struct ieee80211_channel channel; | |
177 | }; | |
178 | ||
179 | /* cfg80211 main event loop */ | |
180 | struct brcmf_cfg80211_event_loop { | |
181 | s32(*handler[BRCMF_E_LAST]) (struct brcmf_cfg80211_priv *cfg_priv, | |
182 | struct net_device *ndev, | |
183 | const struct brcmf_event_msg *e, | |
184 | void *data); | |
185 | }; | |
186 | ||
187 | /* representing interface of cfg80211 plane */ | |
188 | struct brcmf_cfg80211_iface { | |
189 | struct brcmf_cfg80211_priv *cfg_priv; | |
190 | }; | |
191 | ||
192 | struct brcmf_cfg80211_dev { | |
193 | void *driver_data; /* to store cfg80211 object information */ | |
194 | }; | |
195 | ||
196 | /* basic structure of scan request */ | |
197 | struct brcmf_cfg80211_scan_req { | |
198 | struct brcmf_ssid_le ssid_le; | |
199 | }; | |
200 | ||
201 | /* basic structure of information element */ | |
202 | struct brcmf_cfg80211_ie { | |
203 | u16 offset; | |
204 | u8 buf[WL_TLV_INFO_MAX]; | |
205 | }; | |
206 | ||
207 | /* event queue for cfg80211 main event */ | |
208 | struct brcmf_cfg80211_event_q { | |
209 | struct list_head evt_q_list; | |
210 | u32 etype; | |
211 | struct brcmf_event_msg emsg; | |
212 | s8 edata[1]; | |
213 | }; | |
214 | ||
215 | /* security information with currently associated ap */ | |
216 | struct brcmf_cfg80211_security { | |
217 | u32 wpa_versions; | |
218 | u32 auth_type; | |
219 | u32 cipher_pairwise; | |
220 | u32 cipher_group; | |
221 | u32 wpa_auth; | |
222 | }; | |
223 | ||
224 | /* ibss information for currently joined ibss network */ | |
225 | struct brcmf_cfg80211_ibss { | |
226 | u8 beacon_interval; /* in millisecond */ | |
227 | u8 atim; /* in millisecond */ | |
228 | s8 join_only; | |
229 | u8 band; | |
230 | u8 channel; | |
231 | }; | |
232 | ||
233 | /* dongle profile */ | |
234 | struct brcmf_cfg80211_profile { | |
235 | u32 mode; | |
236 | struct brcmf_ssid ssid; | |
237 | u8 bssid[ETH_ALEN]; | |
238 | u16 beacon_interval; | |
239 | u8 dtim_period; | |
240 | struct brcmf_cfg80211_security sec; | |
241 | struct brcmf_cfg80211_ibss ibss; | |
242 | s32 band; | |
243 | }; | |
244 | ||
245 | /* dongle iscan event loop */ | |
246 | struct brcmf_cfg80211_iscan_eloop { | |
247 | s32 (*handler[WL_SCAN_ERSULTS_LAST]) | |
248 | (struct brcmf_cfg80211_priv *cfg_priv); | |
249 | }; | |
250 | ||
251 | /* dongle iscan controller */ | |
252 | struct brcmf_cfg80211_iscan_ctrl { | |
253 | struct net_device *ndev; | |
254 | struct timer_list timer; | |
255 | u32 timer_ms; | |
256 | u32 timer_on; | |
257 | s32 state; | |
258 | struct work_struct work; | |
259 | struct brcmf_cfg80211_iscan_eloop el; | |
260 | void *data; | |
261 | s8 dcmd_buf[BRCMF_DCMD_SMLEN]; | |
262 | s8 scan_buf[WL_ISCAN_BUF_MAX]; | |
263 | }; | |
264 | ||
265 | /* association inform */ | |
266 | struct brcmf_cfg80211_connect_info { | |
267 | u8 *req_ie; | |
268 | s32 req_ie_len; | |
269 | u8 *resp_ie; | |
270 | s32 resp_ie_len; | |
271 | }; | |
272 | ||
273 | /* assoc ie length */ | |
c4e382d2 AS |
274 | struct brcmf_cfg80211_assoc_ielen_le { |
275 | __le32 req_len; | |
276 | __le32 resp_len; | |
5b435de0 AS |
277 | }; |
278 | ||
279 | /* wpa2 pmk list */ | |
280 | struct brcmf_cfg80211_pmk_list { | |
281 | struct pmkid_list pmkids; | |
282 | struct pmkid foo[MAXPMKID - 1]; | |
283 | }; | |
284 | ||
e756af5b HM |
285 | /* dongle escan state */ |
286 | enum wl_escan_state { | |
287 | WL_ESCAN_STATE_IDLE, | |
288 | WL_ESCAN_STATE_SCANNING | |
289 | }; | |
290 | ||
291 | struct escan_info { | |
292 | u32 escan_state; | |
293 | u8 escan_buf[WL_ESCAN_BUF_SIZE]; | |
294 | struct wiphy *wiphy; | |
295 | struct net_device *ndev; | |
296 | }; | |
297 | ||
5b435de0 AS |
298 | /* dongle private data of cfg80211 interface */ |
299 | struct brcmf_cfg80211_priv { | |
300 | struct wireless_dev *wdev; /* representing wl cfg80211 device */ | |
301 | struct brcmf_cfg80211_conf *conf; /* dongle configuration */ | |
302 | struct cfg80211_scan_request *scan_request; /* scan request | |
303 | object */ | |
304 | struct brcmf_cfg80211_event_loop el; /* main event loop */ | |
305 | struct list_head evt_q_list; /* used for event queue */ | |
306 | spinlock_t evt_q_lock; /* for event queue synchronization */ | |
307 | struct mutex usr_sync; /* maily for dongle up/down synchronization */ | |
308 | struct brcmf_scan_results *bss_list; /* bss_list holding scanned | |
309 | ap information */ | |
310 | struct brcmf_scan_results *scan_results; | |
311 | struct brcmf_cfg80211_scan_req *scan_req_int; /* scan request object | |
312 | for internal purpose */ | |
313 | struct wl_cfg80211_bss_info *bss_info; /* bss information for | |
314 | cfg80211 layer */ | |
315 | struct brcmf_cfg80211_ie ie; /* information element object for | |
316 | internal purpose */ | |
317 | struct brcmf_cfg80211_profile *profile; /* holding dongle profile */ | |
318 | struct brcmf_cfg80211_iscan_ctrl *iscan; /* iscan controller */ | |
319 | struct brcmf_cfg80211_connect_info conn_info; /* association info */ | |
320 | struct brcmf_cfg80211_pmk_list *pmk_list; /* wpa2 pmk list */ | |
321 | struct work_struct event_work; /* event handler work struct */ | |
322 | unsigned long status; /* current dongle status */ | |
323 | void *pub; | |
324 | u32 channel; /* current channel */ | |
325 | bool iscan_on; /* iscan on/off switch */ | |
326 | bool iscan_kickstart; /* indicate iscan already started */ | |
327 | bool active_scan; /* current scan mode */ | |
328 | bool ibss_starter; /* indicates this sta is ibss starter */ | |
329 | bool link_up; /* link/connection up flag */ | |
330 | bool pwr_save; /* indicate whether dongle to support | |
331 | power save mode */ | |
332 | bool dongle_up; /* indicate whether dongle up or not */ | |
333 | bool roam_on; /* on/off switch for dongle self-roaming */ | |
334 | bool scan_tried; /* indicates if first scan attempted */ | |
335 | u8 *dcmd_buf; /* dcmd buffer */ | |
336 | u8 *extra_buf; /* maily to grab assoc information */ | |
337 | struct dentry *debugfsdir; | |
e756af5b HM |
338 | bool escan_on; /* escan on/off switch */ |
339 | struct escan_info escan_info; /* escan information */ | |
340 | struct timer_list escan_timeout; /* Timer for catch scan timeout */ | |
341 | struct work_struct escan_timeout_work; /* scan timeout worker */ | |
342 | u8 *escan_ioctl_buf; | |
5b435de0 AS |
343 | u8 ci[0] __aligned(NETDEV_ALIGN); |
344 | }; | |
345 | ||
346 | static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_priv *w) | |
347 | { | |
348 | return w->wdev->wiphy; | |
349 | } | |
350 | ||
351 | static inline struct brcmf_cfg80211_priv *wiphy_to_cfg(struct wiphy *w) | |
352 | { | |
353 | return (struct brcmf_cfg80211_priv *)(wiphy_priv(w)); | |
354 | } | |
355 | ||
356 | static inline struct brcmf_cfg80211_priv *wdev_to_cfg(struct wireless_dev *wd) | |
357 | { | |
358 | return (struct brcmf_cfg80211_priv *)(wdev_priv(wd)); | |
359 | } | |
360 | ||
361 | static inline struct net_device *cfg_to_ndev(struct brcmf_cfg80211_priv *cfg) | |
362 | { | |
363 | return cfg->wdev->netdev; | |
364 | } | |
365 | ||
366 | static inline struct brcmf_cfg80211_priv *ndev_to_cfg(struct net_device *ndev) | |
367 | { | |
368 | return wdev_to_cfg(ndev->ieee80211_ptr); | |
369 | } | |
370 | ||
371 | #define iscan_to_cfg(i) ((struct brcmf_cfg80211_priv *)(i->data)) | |
372 | #define cfg_to_iscan(w) (w->iscan) | |
373 | ||
374 | static inline struct | |
375 | brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_priv *cfg) | |
376 | { | |
377 | return &cfg->conn_info; | |
378 | } | |
379 | ||
5b435de0 AS |
380 | extern struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev, |
381 | struct device *busdev, | |
382 | void *data); | |
383 | extern void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev *cfg); | |
384 | ||
385 | /* event handler from dongle */ | |
386 | extern void brcmf_cfg80211_event(struct net_device *ndev, | |
387 | const struct brcmf_event_msg *e, void *data); | |
388 | extern s32 brcmf_cfg80211_up(struct brcmf_cfg80211_dev *cfg_dev); | |
389 | extern s32 brcmf_cfg80211_down(struct brcmf_cfg80211_dev *cfg_dev); | |
390 | ||
391 | #endif /* _wl_cfg80211_h_ */ |