summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
blob: 14d5bbad1db13fea211da8d4dc985213132c6688 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
// SPDX-License-Identifier: ISC
/*
 * Copyright (c) 2010 Broadcom Corporation
 */

#ifndef BRCMFMAC_CFG80211_H
#define BRCMFMAC_CFG80211_H

/* for brcmu_d11inf */
#include <brcmu_d11.h>

#include "core.h"
#include "fwil_types.h"
#include "p2p.h"

#define BRCMF_SCAN_IE_LEN_MAX		2048

#define WL_NUM_SCAN_MAX			10
#define WL_TLV_INFO_MAX			1024
#define WL_BSS_INFO_MAX			2048
#define WL_ASSOC_INFO_MAX		512	/* assoc related fil max buf */
#define WL_EXTRA_BUF_MAX		2048
#define WL_ROAM_TRIGGER_LEVEL		-75
#define WL_ROAM_DELTA			20

/* Keep BRCMF_ESCAN_BUF_SIZE below 64K (65536). Allocing over 64K can be
 * problematic on some systems and should be avoided.
 */
#define BRCMF_ESCAN_BUF_SIZE		65000
#define BRCMF_ESCAN_TIMER_INTERVAL_MS	10000	/* E-Scan timeout */

#define WL_ESCAN_ACTION_START		1
#define WL_ESCAN_ACTION_CONTINUE	2
#define WL_ESCAN_ACTION_ABORT		3

#define WL_AUTH_SHARED_KEY		1	/* d11 shared authentication */
#define IE_MAX_LEN			512

/* IE TLV processing */
#define TLV_LEN_OFF			1	/* length offset */
#define TLV_HDR_LEN			2	/* header length */
#define TLV_BODY_OFF			2	/* body offset */
#define TLV_OUI_LEN			3	/* oui id length */

/* 802.11 Mgmt Packet flags */
#define BRCMF_VNDR_IE_BEACON_FLAG	0x1
#define BRCMF_VNDR_IE_PRBRSP_FLAG	0x2
#define BRCMF_VNDR_IE_ASSOCRSP_FLAG	0x4
#define BRCMF_VNDR_IE_AUTHRSP_FLAG	0x8
#define BRCMF_VNDR_IE_PRBREQ_FLAG	0x10
#define BRCMF_VNDR_IE_ASSOCREQ_FLAG	0x20
/* vendor IE in IW advertisement protocol ID field */
#define BRCMF_VNDR_IE_IWAPID_FLAG	0x40
/* allow custom IE id */
#define BRCMF_VNDR_IE_CUSTOM_FLAG	0x100

/* P2P Action Frames flags (spec ordered) */
#define BRCMF_VNDR_IE_GONREQ_FLAG     0x001000
#define BRCMF_VNDR_IE_GONRSP_FLAG     0x002000
#define BRCMF_VNDR_IE_GONCFM_FLAG     0x004000
#define BRCMF_VNDR_IE_INVREQ_FLAG     0x008000
#define BRCMF_VNDR_IE_INVRSP_FLAG     0x010000
#define BRCMF_VNDR_IE_DISREQ_FLAG     0x020000
#define BRCMF_VNDR_IE_DISRSP_FLAG     0x040000
#define BRCMF_VNDR_IE_PRDREQ_FLAG     0x080000
#define BRCMF_VNDR_IE_PRDRSP_FLAG     0x100000

#define BRCMF_VNDR_IE_P2PAF_SHIFT	12

#define BRCMF_MAX_DEFAULT_KEYS		6

/* beacon loss timeout defaults */
#define BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON	2
#define BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF	4

#define BRCMF_VIF_EVENT_TIMEOUT		msecs_to_jiffies(1500)

/**
 * enum brcmf_scan_status - scan engine status
 *
 * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
 * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
 * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
 */
enum brcmf_scan_status {
	BRCMF_SCAN_STATUS_BUSY,
	BRCMF_SCAN_STATUS_ABORT,
	BRCMF_SCAN_STATUS_SUPPRESS,
};

/* dongle configuration */
struct brcmf_cfg80211_conf {
	u32 frag_threshold;
	u32 rts_threshold;
	u32 retry_short;
	u32 retry_long;
};

/* security information with currently associated ap */
struct brcmf_cfg80211_security {
	u32 wpa_versions;
	u32 auth_type;
	u32 cipher_pairwise;
	u32 cipher_group;
};

enum brcmf_profile_fwsup {
	BRCMF_PROFILE_FWSUP_NONE,
	BRCMF_PROFILE_FWSUP_PSK,
	BRCMF_PROFILE_FWSUP_1X
};

/**
 * struct brcmf_cfg80211_profile - profile information.
 *
 * @bssid: bssid of joined/joining ibss.
 * @sec: security information.
 * @key: key information
 */
struct brcmf_cfg80211_profile {
	u8 bssid[ETH_ALEN];
	struct brcmf_cfg80211_security sec;
	struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS];
	enum brcmf_profile_fwsup use_fwsup;
};

/**
 * enum brcmf_vif_status - bit indices for vif status.
 *
 * @BRCMF_VIF_STATUS_READY: ready for operation.
 * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
 * @BRCMF_VIF_STATUS_CONNECTED: connected/joined successfully.
 * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
 * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
 * @BRCMF_VIF_STATUS_EAP_SUCCUSS: EAPOL handshake successful.
 * @BRCMF_VIF_STATUS_ASSOC_SUCCESS: successful SET_SSID received.
 */
enum brcmf_vif_status {
	BRCMF_VIF_STATUS_READY,
	BRCMF_VIF_STATUS_CONNECTING,
	BRCMF_VIF_STATUS_CONNECTED,
	BRCMF_VIF_STATUS_DISCONNECTING,
	BRCMF_VIF_STATUS_AP_CREATED,
	BRCMF_VIF_STATUS_EAP_SUCCESS,
	BRCMF_VIF_STATUS_ASSOC_SUCCESS,
};

/**
 * struct vif_saved_ie - holds saved IEs for a virtual interface.
 *
 * @probe_req_ie: IE info for probe request.
 * @probe_res_ie: IE info for probe response.
 * @beacon_ie: IE info for beacon frame.
 * @probe_req_ie_len: IE info length for probe request.
 * @probe_res_ie_len: IE info length for probe response.
 * @beacon_ie_len: IE info length for beacon frame.
 */
struct vif_saved_ie {
	u8  probe_req_ie[IE_MAX_LEN];
	u8  probe_res_ie[IE_MAX_LEN];
	u8  beacon_ie[IE_MAX_LEN];
	u8  assoc_req_ie[IE_MAX_LEN];
	u32 probe_req_ie_len;
	u32 probe_res_ie_len;
	u32 beacon_ie_len;
	u32 assoc_req_ie_len;
};

/**
 * struct brcmf_cfg80211_vif - virtual interface specific information.
 *
 * @ifp: lower layer interface pointer
 * @wdev: wireless device.
 * @profile: profile information.
 * @sme_state: SME state using enum brcmf_vif_status bits.
 * @list: linked list.
 * @mgmt_rx_reg: registered rx mgmt frame types.
 * @mbss: Multiple BSS type, set if not first AP (not relevant for P2P).
 */
struct brcmf_cfg80211_vif {
	struct brcmf_if *ifp;
	struct wireless_dev wdev;
	struct brcmf_cfg80211_profile profile;
	unsigned long sme_state;
	struct vif_saved_ie saved_ie;
	struct list_head list;
	u16 mgmt_rx_reg;
	bool mbss;
	int is_11d;
};

/* association inform */
struct brcmf_cfg80211_connect_info {
	u8 *req_ie;
	s32 req_ie_len;
	u8 *resp_ie;
	s32 resp_ie_len;
};

/* assoc ie length */
struct brcmf_cfg80211_assoc_ielen_le {
	__le32 req_len;
	__le32 resp_len;
};

/* dongle escan state */
enum wl_escan_state {
	WL_ESCAN_STATE_IDLE,
	WL_ESCAN_STATE_SCANNING
};

struct escan_info {
	u32 escan_state;
	u8 *escan_buf;
	struct wiphy *wiphy;
	struct brcmf_if *ifp;
	s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
		   struct cfg80211_scan_request *request);
};

/**
 * struct brcmf_cfg80211_vif_event - virtual interface event information.
 *
 * @vif_wq: waitqueue awaiting interface event from firmware.
 * @vif_event_lock: protects other members in this structure.
 * @vif_complete: completion for net attach.
 * @action: either add, change, or delete.
 * @vif: virtual interface object related to the event.
 */
struct brcmf_cfg80211_vif_event {
	wait_queue_head_t vif_wq;
	spinlock_t vif_event_lock;
	u8 action;
	struct brcmf_cfg80211_vif *vif;
};

/**
 * struct brcmf_cfg80211_wowl - wowl related information.
 *
 * @active: set on suspend, cleared on resume.
 * @pre_pmmode: firmware PM mode at entering suspend.
 * @nd: net dectect data.
 * @nd_info: helper struct to pass to cfg80211.
 * @nd_data_wait: wait queue to sync net detect data.
 * @nd_data_completed: completion for net detect data.
 * @nd_enabled: net detect enabled.
 */
struct brcmf_cfg80211_wowl {
	bool active;
	u32 pre_pmmode;
	struct cfg80211_wowlan_nd_match *nd;
	struct cfg80211_wowlan_nd_info *nd_info;
	wait_queue_head_t nd_data_wait;
	bool nd_data_completed;
	bool nd_enabled;
};

/**
 * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
 *
 * @wiphy: wiphy object for cfg80211 interface.
 * @ops: pointer to copy of ops as registered with wiphy object.
 * @conf: dongle configuration.
 * @p2p: peer-to-peer specific information.
 * @btcoex: Bluetooth coexistence information.
 * @scan_request: cfg80211 scan request object.
 * @usr_sync: mainly for dongle up/down synchronization.
 * @bss_list: bss_list holding scanned ap information.
 * @bss_info: bss information for cfg80211 layer.
 * @conn_info: association info.
 * @pmk_list: wpa2 pmk list.
 * @scan_status: scan activity on the dongle.
 * @pub: common driver information.
 * @channel: current channel.
 * @int_escan_map: bucket map for which internal e-scan is done.
 * @ibss_starter: indicates this sta is ibss starter.
 * @pwr_save: indicate whether dongle to support power save mode.
 * @dongle_up: indicate whether dongle up or not.
 * @roam_on: on/off switch for dongle self-roaming.
 * @scan_tried: indicates if first scan attempted.
 * @dcmd_buf: dcmd buffer.
 * @extra_buf: mainly to grab assoc information.
 * @debugfsdir: debugfs folder for this device.
 * @escan_info: escan information.
 * @escan_timeout: Timer for catch scan timeout.
 * @escan_timeout_work: scan timeout worker.
 * @vif_list: linked list of vif instances.
 * @vif_cnt: number of vif instances.
 * @vif_event: vif event signalling.
 * @wowl: wowl related information.
 * @pno: information of pno module.
 */
struct brcmf_cfg80211_info {
	struct wiphy *wiphy;
	struct brcmf_cfg80211_conf *conf;
	struct brcmf_p2p_info p2p;
	struct brcmf_btcoex_info *btcoex;
	struct cfg80211_scan_request *scan_request;
	struct mutex usr_sync;
	struct wl_cfg80211_bss_info *bss_info;
	struct brcmf_cfg80211_connect_info conn_info;
	struct brcmf_pmk_list_le pmk_list;
	unsigned long scan_status;
	struct brcmf_pub *pub;
	u32 channel;
	u32 int_escan_map;
	bool ibss_starter;
	bool pwr_save;
	bool dongle_up;
	bool scan_tried;
	u8 *dcmd_buf;
	u8 *extra_buf;
	struct dentry *debugfsdir;
	struct escan_info escan_info;
	struct timer_list escan_timeout;
	struct work_struct escan_timeout_work;
	struct list_head vif_list;
	struct brcmf_cfg80211_vif_event vif_event;
	struct completion vif_disabled;
	struct brcmu_d11inf d11inf;
	struct brcmf_assoclist_le assoclist;
	struct brcmf_cfg80211_wowl wowl;
	struct brcmf_pno_info *pno;
};

/**
 * struct brcmf_tlv - tag_ID/length/value_buffer tuple.
 *
 * @id: tag identifier.
 * @len: number of bytes in value buffer.
 * @data: value buffer.
 */
struct brcmf_tlv {
	u8 id;
	u8 len;
	u8 data[1];
};

static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
{
	return cfg->wiphy;
}

static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
{
	struct brcmf_pub *drvr = wiphy_priv(w);
	return drvr->config;
}

static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
{
	return wiphy_to_cfg(wd->wiphy);
}

static inline struct brcmf_cfg80211_vif *wdev_to_vif(struct wireless_dev *wdev)
{
	return container_of(wdev, struct brcmf_cfg80211_vif, wdev);
}

static inline
struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
{
	return brcmf_get_ifp(cfg->pub, 0)->ndev;
}

static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
{
	return wdev_to_cfg(ndev->ieee80211_ptr);
}

static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd)
{
	struct brcmf_if *ifp = netdev_priv(nd);
	return &ifp->vif->profile;
}

static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev)
{
	struct brcmf_if *ifp = netdev_priv(ndev);
	return ifp->vif;
}

static inline struct
brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg)
{
	return &cfg->conn_info;
}

struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
						  struct cfg80211_ops *ops,
						  bool p2pdev_forced);
void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
s32 brcmf_cfg80211_up(struct net_device *ndev);
s32 brcmf_cfg80211_down(struct net_device *ndev);
struct cfg80211_ops *brcmf_cfg80211_get_ops(struct brcmf_mp_device *settings);
enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);

struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
					   enum nl80211_iftype type);
void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);

s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
			  const u8 *vndr_ie_buf, u32 vndr_ie_len);
s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
			struct ieee80211_channel *ch);
bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
			     unsigned long state);
void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
				  struct brcmf_cfg80211_vif *vif);
bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg,
				  u8 action, ulong timeout);
s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
				struct brcmf_if *ifp, bool aborted,
				bool fw_abort);
void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
void brcmf_cfg80211_free_netdev(struct net_device *ndev);

#endif /* BRCMFMAC_CFG80211_H */