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 _wlc_h_
18 #define _wlc_h_
19 
20 #define MA_WINDOW_SZ		8	/* moving average window size */
21 #define	WL_HWRXOFF		38	/* chip rx buffer offset */
22 #define	INVCHANNEL		255	/* invalid channel */
23 #define	MAXCOREREV		28	/* max # supported core revisions (0 .. MAXCOREREV - 1) */
24 #define WLC_MAXMODULES		22	/* max #  wlc_module_register() calls */
25 
26 #define WLC_BITSCNT(x)	bcm_bitcount((u8 *)&(x), sizeof(u8))
27 
28 /* Maximum wait time for a MAC suspend */
29 #define	WLC_MAX_MAC_SUSPEND	83000	/* uS: 83mS is max packet time (64KB ampdu @ 6Mbps) */
30 
31 /* Probe Response timeout - responses for probe requests older that this are tossed, zero to disable
32  */
33 #define WLC_PRB_RESP_TIMEOUT	0	/* Disable probe response timeout */
34 
35 /* transmit buffer max headroom for protocol headers */
36 #define TXOFF (D11_TXH_LEN + D11_PHY_HDR_LEN)
37 
38 /* For managing scan result lists */
39 struct wlc_bss_list {
40 	uint count;
41 	bool beacon;		/* set for beacon, cleared for probe response */
42 	wlc_bss_info_t *ptrs[MAXBSS];
43 };
44 
45 #define	SW_TIMER_MAC_STAT_UPD		30	/* periodic MAC stats update */
46 
47 /* Double check that unsupported cores are not enabled */
48 #if CONF_MSK(D11CONF, 0x4f) || CONF_GE(D11CONF, MAXCOREREV)
49 #error "Configuration for D11CONF includes unsupported versions."
50 #endif				/* Bad versions */
51 
52 #define	VALID_COREREV(corerev)	CONF_HAS(D11CONF, corerev)
53 
54 /* values for shortslot_override */
55 #define WLC_SHORTSLOT_AUTO	-1	/* Driver will manage Shortslot setting */
56 #define WLC_SHORTSLOT_OFF	0	/* Turn off short slot */
57 #define WLC_SHORTSLOT_ON	1	/* Turn on short slot */
58 
59 /* value for short/long and mixmode/greenfield preamble */
60 
61 #define WLC_LONG_PREAMBLE	(0)
62 #define WLC_SHORT_PREAMBLE	(1 << 0)
63 #define WLC_GF_PREAMBLE		(1 << 1)
64 #define WLC_MM_PREAMBLE		(1 << 2)
65 #define WLC_IS_MIMO_PREAMBLE(_pre) (((_pre) == WLC_GF_PREAMBLE) || ((_pre) == WLC_MM_PREAMBLE))
66 
67 /* values for barker_preamble */
68 #define WLC_BARKER_SHORT_ALLOWED	0	/* Short pre-amble allowed */
69 
70 /* A fifo is full. Clear precedences related to that FIFO */
71 #define WLC_TX_FIFO_CLEAR(wlc, fifo) ((wlc)->tx_prec_map &= ~(wlc)->fifo2prec_map[fifo])
72 
73 /* Fifo is NOT full. Enable precedences for that FIFO */
74 #define WLC_TX_FIFO_ENAB(wlc, fifo)  ((wlc)->tx_prec_map |= (wlc)->fifo2prec_map[fifo])
75 
76 /* TxFrameID */
77 /* seq and frag bits: SEQNUM_SHIFT, FRAGNUM_MASK (802.11.h) */
78 /* rate epoch bits: TXFID_RATE_SHIFT, TXFID_RATE_MASK ((wlc_rate.c) */
79 #define TXFID_QUEUE_MASK	0x0007	/* Bits 0-2 */
80 #define TXFID_SEQ_MASK		0x7FE0	/* Bits 5-15 */
81 #define TXFID_SEQ_SHIFT		5	/* Number of bit shifts */
82 #define	TXFID_RATE_PROBE_MASK	0x8000	/* Bit 15 for rate probe */
83 #define TXFID_RATE_MASK		0x0018	/* Mask for bits 3 and 4 */
84 #define TXFID_RATE_SHIFT	3	/* Shift 3 bits for rate mask */
85 
86 /* promote boardrev */
87 #define BOARDREV_PROMOTABLE	0xFF	/* from */
88 #define BOARDREV_PROMOTED	1	/* to */
89 
90 /* if wpa is in use then portopen is true when the group key is plumbed otherwise it is always true
91  */
92 #define WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED))
93 #define WLC_SW_KEYS(wlc, bsscfg) ((((wlc)->wsec_swkeys) || \
94 	((bsscfg)->wsec & WSEC_SWFLAG)))
95 
96 #define WLC_PORTOPEN(cfg) \
97 	(((cfg)->WPA_auth != WPA_AUTH_DISABLED && WSEC_ENABLED((cfg)->wsec)) ? \
98 	(cfg)->wsec_portopen : true)
99 
100 #define PS_ALLOWED(wlc)	wlc_ps_allowed(wlc)
101 #define STAY_AWAKE(wlc) wlc_stay_awake(wlc)
102 
103 #define DATA_BLOCK_TX_SUPR	(1 << 4)
104 
105 /* 802.1D Priority to TX FIFO number for wme */
106 extern const u8 prio2fifo[];
107 
108 /* Ucode MCTL_WAKE override bits */
109 #define WLC_WAKE_OVERRIDE_CLKCTL	0x01
110 #define WLC_WAKE_OVERRIDE_PHYREG	0x02
111 #define WLC_WAKE_OVERRIDE_MACSUSPEND	0x04
112 #define WLC_WAKE_OVERRIDE_TXFIFO	0x08
113 #define WLC_WAKE_OVERRIDE_FORCEFAST	0x10
114 
115 /* stuff pulled in from wlc.c */
116 
117 /* Interrupt bit error summary.  Don't include I_RU: we refill DMA at other
118  * times; and if we run out, constant I_RU interrupts may cause lockup.  We
119  * will still get error counts from rx0ovfl.
120  */
121 #define	I_ERRORS	(I_PC | I_PD | I_DE | I_RO | I_XU)
122 /* default software intmasks */
123 #define	DEF_RXINTMASK	(I_RI)	/* enable rx int on rxfifo only */
124 #define	DEF_MACINTMASK	(MI_TXSTOP | MI_TBTT | MI_ATIMWINEND | MI_PMQ | \
125 			 MI_PHYTXERR | MI_DMAINT | MI_TFS | MI_BG_NOISE | \
126 			 MI_CCA | MI_TO | MI_GP0 | MI_RFDISABLE | MI_PWRUP)
127 
128 #define	RETRY_SHORT_DEF			7	/* Default Short retry Limit */
129 #define	RETRY_SHORT_MAX			255	/* Maximum Short retry Limit */
130 #define	RETRY_LONG_DEF			4	/* Default Long retry count */
131 #define	RETRY_SHORT_FB			3	/* Short retry count for fallback rate */
132 #define	RETRY_LONG_FB			2	/* Long retry count for fallback rate */
133 
134 #define	MAXTXPKTS		6	/* max # pkts pending */
135 
136 /* frameburst */
137 #define	MAXTXFRAMEBURST		8	/* vanilla xpress mode: max frames/burst */
138 #define	MAXFRAMEBURST_TXOP	10000	/* Frameburst TXOP in usec */
139 
140 /* Per-AC retry limit register definitions; uses bcmdefs.h bitfield macros */
141 #define EDCF_SHORT_S            0
142 #define EDCF_SFB_S              4
143 #define EDCF_LONG_S             8
144 #define EDCF_LFB_S              12
145 #define EDCF_SHORT_M            BITFIELD_MASK(4)
146 #define EDCF_SFB_M              BITFIELD_MASK(4)
147 #define EDCF_LONG_M             BITFIELD_MASK(4)
148 #define EDCF_LFB_M              BITFIELD_MASK(4)
149 
150 #define WLC_WME_RETRY_SHORT_GET(wlc, ac)    GFIELD(wlc->wme_retries[ac], EDCF_SHORT)
151 #define WLC_WME_RETRY_SFB_GET(wlc, ac)      GFIELD(wlc->wme_retries[ac], EDCF_SFB)
152 #define WLC_WME_RETRY_LONG_GET(wlc, ac)     GFIELD(wlc->wme_retries[ac], EDCF_LONG)
153 #define WLC_WME_RETRY_LFB_GET(wlc, ac)      GFIELD(wlc->wme_retries[ac], EDCF_LFB)
154 
155 #define WLC_WME_RETRY_SHORT_SET(wlc, ac, val) \
156 	(wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_SHORT, val))
157 #define WLC_WME_RETRY_SFB_SET(wlc, ac, val) \
158 	(wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_SFB, val))
159 #define WLC_WME_RETRY_LONG_SET(wlc, ac, val) \
160 	(wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_LONG, val))
161 #define WLC_WME_RETRY_LFB_SET(wlc, ac, val) \
162 	(wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_LFB, val))
163 
164 /* PLL requests */
165 #define WLC_PLLREQ_SHARED	0x1	/* pll is shared on old chips */
166 #define WLC_PLLREQ_RADIO_MON	0x2	/* hold pll for radio monitor register checking */
167 #define WLC_PLLREQ_FLIP		0x4	/* hold/release pll for some short operation */
168 
169 /* Do we support this rate? */
170 #define VALID_RATE_DBG(wlc, rspec) wlc_valid_rate(wlc, rspec, WLC_BAND_AUTO, true)
171 
172 /*
173  * Macros to check if AP or STA is active.
174  * AP Active means more than just configured: driver and BSS are "up";
175  * that is, we are beaconing/responding as an AP (aps_associated).
176  * STA Active similarly means the driver is up and a configured STA BSS
177  * is up: either associated (stas_associated) or trying.
178  *
179  * Macro definitions vary as per AP/STA ifdefs, allowing references to
180  * ifdef'd structure fields and constant values (0) for optimization.
181  * Make sure to enclose blocks of code such that any routines they
182  * reference can also be unused and optimized out by the linker.
183  */
184 /* NOTE: References structure fields defined in wlc.h */
185 #define AP_ACTIVE(wlc)	(0)
186 
187 /*
188  * Detect Card removed.
189  * Even checking an sbconfig register read will not false trigger when the core is in reset.
190  * it breaks CF address mechanism. Accessing gphy phyversion will cause SB error if aphy
191  * is in reset on 4306B0-DB. Need a simple accessible reg with fixed 0/1 pattern
192  * (some platforms return all 0).
193  * If clocks are present, call the sb routine which will figure out if the device is removed.
194  */
195 #define DEVICEREMOVED(wlc)      \
196 	((wlc->hw->clk) ?   \
197 	((R_REG(&wlc->hw->regs->maccontrol) & \
198 	(MCTL_PSM_JMP_0 | MCTL_IHR_EN)) != MCTL_IHR_EN) : \
199 	(si_deviceremoved(wlc->hw->sih)))
200 
201 #define WLCWLUNIT(wlc)		((wlc)->pub->unit)
202 
203 struct wlc_protection {
204 	bool _g;		/* use g spec protection, driver internal */
205 	s8 g_override;	/* override for use of g spec protection */
206 	u8 gmode_user;	/* user config gmode, operating band->gmode is different */
207 	s8 overlap;		/* Overlap BSS/IBSS protection for both 11g and 11n */
208 	s8 nmode_user;	/* user config nmode, operating pub->nmode is different */
209 	s8 n_cfg;		/* use OFDM protection on MIMO frames */
210 	s8 n_cfg_override;	/* override for use of N protection */
211 	bool nongf;		/* non-GF present protection */
212 	s8 nongf_override;	/* override for use of GF protection */
213 	s8 n_pam_override;	/* override for preamble: MM or GF */
214 	bool n_obss;		/* indicated OBSS Non-HT STA present */
215 
216 	uint longpre_detect_timeout;	/* #sec until long preamble bcns gone */
217 	uint barker_detect_timeout;	/* #sec until bcns signaling Barker long preamble */
218 	/* only is gone */
219 	uint ofdm_ibss_timeout;	/* #sec until ofdm IBSS beacons gone */
220 	uint ofdm_ovlp_timeout;	/* #sec until ofdm overlapping BSS bcns gone */
221 	uint nonerp_ibss_timeout;	/* #sec until nonerp IBSS beacons gone */
222 	uint nonerp_ovlp_timeout;	/* #sec until nonerp overlapping BSS bcns gone */
223 	uint g_ibss_timeout;	/* #sec until bcns signaling Use_Protection gone */
224 	uint n_ibss_timeout;	/* #sec until bcns signaling Use_OFDM_Protection gone */
225 	uint ht20in40_ovlp_timeout;	/* #sec until 20MHz overlapping OPMODE gone */
226 	uint ht20in40_ibss_timeout;	/* #sec until 20MHz-only HT station bcns gone */
227 	uint non_gf_ibss_timeout;	/* #sec until non-GF bcns gone */
228 };
229 
230 /* anything affects the single/dual streams/antenna operation */
231 struct wlc_stf {
232 	u8 hw_txchain;	/* HW txchain bitmap cfg */
233 	u8 txchain;		/* txchain bitmap being used */
234 	u8 txstreams;	/* number of txchains being used */
235 
236 	u8 hw_rxchain;	/* HW rxchain bitmap cfg */
237 	u8 rxchain;		/* rxchain bitmap being used */
238 	u8 rxstreams;	/* number of rxchains being used */
239 
240 	u8 ant_rx_ovr;	/* rx antenna override */
241 	s8 txant;		/* userTx antenna setting */
242 	u16 phytxant;	/* phyTx antenna setting in txheader */
243 
244 	u8 ss_opmode;	/* singlestream Operational mode, 0:siso; 1:cdd */
245 	bool ss_algosel_auto;	/* if true, use wlc->stf->ss_algo_channel; */
246 	/* else use wlc->band->stf->ss_mode_band; */
247 	u16 ss_algo_channel;	/* ss based on per-channel algo: 0: SISO, 1: CDD 2: STBC */
248 	u8 no_cddstbc;	/* stf override, 1: no CDD (or STBC) allowed */
249 
250 	u8 rxchain_restore_delay;	/* delay time to restore default rxchain */
251 
252 	s8 ldpc;		/* AUTO/ON/OFF ldpc cap supported */
253 	u8 txcore[MAX_STREAMS_SUPPORTED + 1];	/* bitmap of selected core for each Nsts */
254 	s8 spatial_policy;
255 };
256 
257 #define WLC_STF_SS_STBC_TX(wlc, scb) \
258 	(((wlc)->stf->txstreams > 1) && (((wlc)->band->band_stf_stbc_tx == ON) || \
259 	 (SCB_STBC_CAP((scb)) &&					\
260 	  (wlc)->band->band_stf_stbc_tx == AUTO &&			\
261 	  isset(&((wlc)->stf->ss_algo_channel), PHY_TXC1_MODE_STBC))))
262 
263 #define WLC_STBC_CAP_PHY(wlc) (WLCISNPHY(wlc->band) && NREV_GE(wlc->band->phyrev, 3))
264 
265 #define WLC_SGI_CAP_PHY(wlc) ((WLCISNPHY(wlc->band) && NREV_GE(wlc->band->phyrev, 3)) || \
266 	WLCISLCNPHY(wlc->band))
267 
268 #define WLC_CHAN_PHYTYPE(x)     (((x) & RXS_CHAN_PHYTYPE_MASK) >> RXS_CHAN_PHYTYPE_SHIFT)
269 #define WLC_CHAN_CHANNEL(x)     (((x) & RXS_CHAN_ID_MASK) >> RXS_CHAN_ID_SHIFT)
270 #define WLC_RX_CHANNEL(rxh)	(WLC_CHAN_CHANNEL((rxh)->RxChan))
271 
272 /* wlc_bss_info flag bit values */
273 #define WLC_BSS_HT		0x0020	/* BSS is HT (MIMO) capable */
274 
275 /* Flags used in wlc_txq_info.stopped */
276 #define TXQ_STOP_FOR_PRIOFC_MASK	0x000000FF	/* per prio flow control bits */
277 #define TXQ_STOP_FOR_PKT_DRAIN		0x00000100	/* stop txq enqueue for packet drain */
278 #define TXQ_STOP_FOR_AMPDU_FLOW_CNTRL	0x00000200	/* stop txq enqueue for ampdu flow control */
279 
280 #define WLC_HT_WEP_RESTRICT	0x01	/* restrict HT with WEP */
281 #define WLC_HT_TKIP_RESTRICT	0x02	/* restrict HT with TKIP */
282 
283 /*
284  * core state (mac)
285  */
286 struct wlccore {
287 	uint coreidx;		/* # sb enumerated core */
288 
289 	/* fifo */
290 	uint *txavail[NFIFO];	/* # tx descriptors available */
291 	s16 txpktpend[NFIFO];	/* tx admission control */
292 
293 	macstat_t *macstat_snapshot;	/* mac hw prev read values */
294 };
295 
296 /*
297  * band state (phy+ana+radio)
298  */
299 struct wlcband {
300 	int bandtype;		/* WLC_BAND_2G, WLC_BAND_5G */
301 	uint bandunit;		/* bandstate[] index */
302 
303 	u16 phytype;		/* phytype */
304 	u16 phyrev;
305 	u16 radioid;
306 	u16 radiorev;
307 	wlc_phy_t *pi;		/* pointer to phy specific information */
308 	bool abgphy_encore;
309 
310 	u8 gmode;		/* currently active gmode (see wlioctl.h) */
311 
312 	struct scb *hwrs_scb;	/* permanent scb for hw rateset */
313 
314 	wlc_rateset_t defrateset;	/* band-specific copy of default_bss.rateset */
315 
316 	ratespec_t rspec_override;	/* 802.11 rate override */
317 	ratespec_t mrspec_override;	/* multicast rate override */
318 	u8 band_stf_ss_mode;	/* Configured STF type, 0:siso; 1:cdd */
319 	s8 band_stf_stbc_tx;	/* STBC TX 0:off; 1:force on; -1:auto */
320 	wlc_rateset_t hw_rateset;	/* rates supported by chip (phy-specific) */
321 	u8 basic_rate[WLC_MAXRATE + 1];	/* basic rates indexed by rate */
322 	bool mimo_cap_40;	/* 40 MHz cap enabled on this band */
323 	s8 antgain;		/* antenna gain from srom */
324 
325 	u16 CWmin;		/* The minimum size of contention window, in unit of aSlotTime */
326 	u16 CWmax;		/* The maximum size of contention window, in unit of aSlotTime */
327 	u16 bcntsfoff;	/* beacon tsf offset */
328 };
329 
330 /* tx completion callback takes 3 args */
331 typedef void (*pkcb_fn_t) (struct wlc_info *wlc, uint txstatus, void *arg);
332 
333 struct pkt_cb {
334 	pkcb_fn_t fn;		/* function to call when tx frame completes */
335 	void *arg;		/* void arg for fn */
336 	u8 nextidx;		/* index of next call back if threading */
337 	bool entered;		/* recursion check */
338 };
339 
340 /* module control blocks */
341 struct modulecb {
342 	char name[32];		/* module name : NULL indicates empty array member */
343 	const bcm_iovar_t *iovars;	/* iovar table */
344 	void *hdl;		/* handle passed when handler 'doiovar' is called */
345 	watchdog_fn_t watchdog_fn;	/* watchdog handler */
346 	iovar_fn_t iovar_fn;	/* iovar handler */
347 	down_fn_t down_fn;	/* down handler. Note: the int returned
348 				 * by the down function is a count of the
349 				 * number of timers that could not be
350 				 * freed.
351 				 */
352 };
353 
354 /* dump control blocks */
355 struct dumpcb_s {
356 	const char *name;	/* dump name */
357 	dump_fn_t dump_fn;	/* 'wl dump' handler */
358 	void *dump_fn_arg;
359 	struct dumpcb_s *next;
360 };
361 
362 /* virtual interface */
363 struct wlc_if {
364 	struct wlc_if *next;
365 	u8 type;		/* WLC_IFTYPE_BSS or WLC_IFTYPE_WDS */
366 	u8 index;		/* assigned in wl_add_if(), index of the wlif if any,
367 				 * not necessarily corresponding to bsscfg._idx or
368 				 * AID2PVBMAP(scb).
369 				 */
370 	u8 flags;		/* flags for the interface */
371 	struct wl_if *wlif;		/* pointer to wlif */
372 	struct wlc_txq_info *qi;	/* pointer to associated tx queue */
373 	union {
374 		struct scb *scb;	/* pointer to scb if WLC_IFTYPE_WDS */
375 		struct wlc_bsscfg *bsscfg;	/* pointer to bsscfg if WLC_IFTYPE_BSS */
376 	} u;
377 };
378 
379 /* flags for the interface */
380 #define WLC_IF_LINKED		0x02	/* this interface is linked to a wl_if */
381 
382 struct wlc_hwband {
383 	int bandtype;		/* WLC_BAND_2G, WLC_BAND_5G */
384 	uint bandunit;		/* bandstate[] index */
385 	u16 mhfs[MHFMAX];	/* MHF array shadow */
386 	u8 bandhw_stf_ss_mode;	/* HW configured STF type, 0:siso; 1:cdd */
387 	u16 CWmin;
388 	u16 CWmax;
389 	u32 core_flags;
390 
391 	u16 phytype;		/* phytype */
392 	u16 phyrev;
393 	u16 radioid;
394 	u16 radiorev;
395 	wlc_phy_t *pi;		/* pointer to phy specific information */
396 	bool abgphy_encore;
397 };
398 
399 struct wlc_hw_info {
400 	bool _piomode;		/* true if pio mode */
401 	struct wlc_info *wlc;
402 
403 	/* fifo */
404 	struct hnddma_pub *di[NFIFO];	/* hnddma handles, per fifo */
405 
406 	uint unit;		/* device instance number */
407 
408 	/* version info */
409 	u16 vendorid;	/* PCI vendor id */
410 	u16 deviceid;	/* PCI device id */
411 	uint corerev;		/* core revision */
412 	u8 sromrev;		/* version # of the srom */
413 	u16 boardrev;	/* version # of particular board */
414 	u32 boardflags;	/* Board specific flags from srom */
415 	u32 boardflags2;	/* More board flags if sromrev >= 4 */
416 	u32 machwcap;	/* MAC capabilities */
417 	u32 machwcap_backup;	/* backup of machwcap */
418 	u16 ucode_dbgsel;	/* dbgsel for ucode debug(config gpio) */
419 
420 	si_t *sih;		/* SB handle (cookie for siutils calls) */
421 	char *vars;		/* "environment" name=value */
422 	uint vars_size;		/* size of vars, free vars on detach */
423 	d11regs_t *regs;	/* pointer to device registers */
424 	void *physhim;		/* phy shim layer handler */
425 	void *phy_sh;		/* pointer to shared phy state */
426 	struct wlc_hwband *band;/* pointer to active per-band state */
427 	struct wlc_hwband *bandstate[MAXBANDS];/* band state per phy/radio */
428 	u16 bmac_phytxant;	/* cache of high phytxant state */
429 	bool shortslot;		/* currently using 11g ShortSlot timing */
430 	u16 SRL;		/* 802.11 dot11ShortRetryLimit */
431 	u16 LRL;		/* 802.11 dot11LongRetryLimit */
432 	u16 SFBL;		/* Short Frame Rate Fallback Limit */
433 	u16 LFBL;		/* Long Frame Rate Fallback Limit */
434 
435 	bool up;		/* d11 hardware up and running */
436 	uint now;		/* # elapsed seconds */
437 	uint _nbands;		/* # bands supported */
438 	chanspec_t chanspec;	/* bmac chanspec shadow */
439 
440 	uint *txavail[NFIFO];	/* # tx descriptors available */
441 	u16 *xmtfifo_sz;	/* fifo size in 256B for each xmt fifo */
442 
443 	mbool pllreq;		/* pll requests to keep PLL on */
444 
445 	u8 suspended_fifos;	/* Which TX fifo to remain awake for */
446 	u32 maccontrol;	/* Cached value of maccontrol */
447 	uint mac_suspend_depth;	/* current depth of mac_suspend levels */
448 	u32 wake_override;	/* Various conditions to force MAC to WAKE mode */
449 	u32 mute_override;	/* Prevent ucode from sending beacons */
450 	u8 etheraddr[ETH_ALEN];	/* currently configured ethernet address */
451 	u32 led_gpio_mask;	/* LED GPIO Mask */
452 	bool noreset;		/* true= do not reset hw, used by WLC_OUT */
453 	bool forcefastclk;	/* true if the h/w is forcing the use of fast clk */
454 	bool clk;		/* core is out of reset and has clock */
455 	bool sbclk;		/* sb has clock */
456 	struct bmac_pmq *bmac_pmq; /*  bmac PM states derived from ucode PMQ */
457 	bool phyclk;		/* phy is out of reset and has clock */
458 	bool dma_lpbk;		/* core is in DMA loopback */
459 
460 	bool ucode_loaded;	/* true after ucode downloaded */
461 
462 
463 	u8 hw_stf_ss_opmode;	/* STF single stream operation mode */
464 	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
465 				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
466 				 */
467 	u32 antsel_avail;	/*
468 				 * put struct antsel_info here if more info is
469 				 * needed
470 				 */
471 };
472 
473 /* TX Queue information
474  *
475  * Each flow of traffic out of the device has a TX Queue with independent
476  * flow control. Several interfaces may be associated with a single TX Queue
477  * if they belong to the same flow of traffic from the device. For multi-channel
478  * operation there are independent TX Queues for each channel.
479  */
480 struct wlc_txq_info {
481 	struct wlc_txq_info *next;
482 	struct pktq q;
483 	uint stopped;		/* tx flow control bits */
484 };
485 
486 /*
487  * Principal common (os-independent) software data structure.
488  */
489 struct wlc_info {
490 	struct wlc_pub *pub;		/* pointer to wlc public state */
491 	struct wl_info *wl;	/* pointer to os-specific private state */
492 	d11regs_t *regs;	/* pointer to device registers */
493 
494 	struct wlc_hw_info *hw;	/* HW related state used primarily by BMAC */
495 
496 	/* clock */
497 	int clkreq_override;	/* setting for clkreq for PCIE : Auto, 0, 1 */
498 	u16 fastpwrup_dly;	/* time in us needed to bring up d11 fast clock */
499 
500 	/* interrupt */
501 	u32 macintstatus;	/* bit channel between isr and dpc */
502 	u32 macintmask;	/* sw runtime master macintmask value */
503 	u32 defmacintmask;	/* default "on" macintmask value */
504 
505 	/* up and down */
506 	bool device_present;	/* (removable) device is present */
507 
508 	bool clk;		/* core is out of reset and has clock */
509 
510 	/* multiband */
511 	struct wlccore *core;	/* pointer to active io core */
512 	struct wlcband *band;	/* pointer to active per-band state */
513 	struct wlccore *corestate;	/* per-core state (one per hw core) */
514 	/* per-band state (one per phy/radio): */
515 	struct wlcband *bandstate[MAXBANDS];
516 
517 	bool war16165;		/* PCI slow clock 16165 war flag */
518 
519 	bool tx_suspended;	/* data fifos need to remain suspended */
520 
521 	uint txpend16165war;
522 
523 	/* packet queue */
524 	uint qvalid;		/* DirFrmQValid and BcMcFrmQValid */
525 
526 	/* Regulatory power limits */
527 	s8 txpwr_local_max;	/* regulatory local txpwr max */
528 	u8 txpwr_local_constraint;	/* local power contraint in dB */
529 
530 
531 	struct ampdu_info *ampdu;	/* ampdu module handler */
532 	struct antsel_info *asi;	/* antsel module handler */
533 	wlc_cm_info_t *cmi;	/* channel manager module handler */
534 
535 	void *btparam;		/* bus type specific cookie */
536 
537 	uint vars_size;		/* size of vars, free vars on detach */
538 
539 	u16 vendorid;	/* PCI vendor id */
540 	u16 deviceid;	/* PCI device id */
541 	uint ucode_rev;		/* microcode revision */
542 
543 	u32 machwcap;	/* MAC capabilities, BMAC shadow */
544 
545 	u8 perm_etheraddr[ETH_ALEN];	/* original sprom local ethernet address */
546 
547 	bool bandlocked;	/* disable auto multi-band switching */
548 	bool bandinit_pending;	/* track band init in auto band */
549 
550 	bool radio_monitor;	/* radio timer is running */
551 	bool down_override;	/* true=down */
552 	bool going_down;	/* down path intermediate variable */
553 
554 	bool mpc;		/* enable minimum power consumption */
555 	u8 mpc_dlycnt;	/* # of watchdog cnt before turn disable radio */
556 	u8 mpc_offcnt;	/* # of watchdog cnt that radio is disabled */
557 	u8 mpc_delay_off;	/* delay radio disable by # of watchdog cnt */
558 	u8 prev_non_delay_mpc;	/* prev state wlc_is_non_delay_mpc */
559 
560 	/* timer */
561 	struct wl_timer *wdtimer;	/* timer for watchdog routine */
562 	uint fast_timer;	/* Periodic timeout for 'fast' timer */
563 	uint slow_timer;	/* Periodic timeout for 'slow' timer */
564 	uint glacial_timer;	/* Periodic timeout for 'glacial' timer */
565 	uint phycal_mlo;	/* last time measurelow calibration was done */
566 	uint phycal_txpower;	/* last time txpower calibration was done */
567 
568 	struct wl_timer *radio_timer;	/* timer for hw radio button monitor routine */
569 	struct wl_timer *pspoll_timer;	/* periodic pspoll timer */
570 
571 	/* promiscuous */
572 	bool monitor;		/* monitor (MPDU sniffing) mode */
573 	bool bcnmisc_ibss;	/* bcns promisc mode override for IBSS */
574 	bool bcnmisc_scan;	/* bcns promisc mode override for scan */
575 	bool bcnmisc_monitor;	/* bcns promisc mode override for monitor */
576 
577 	u8 bcn_wait_prd;	/* max waiting period (for beacon) in 1024TU */
578 
579 	/* driver feature */
580 	bool _rifs;		/* enable per-packet rifs */
581 	s32 rifs_advert;	/* RIFS mode advertisement */
582 	s8 sgi_tx;		/* sgi tx */
583 	bool wet;		/* true if wireless ethernet bridging mode */
584 
585 	/* AP-STA synchronization, power save */
586 	bool check_for_unaligned_tbtt;	/* check unaligned tbtt flag */
587 	bool PM_override;	/* no power-save flag, override PM(user input) */
588 	bool PMenabled;		/* current power-management state (CAM or PS) */
589 	bool PMpending;		/* waiting for tx status with PM indicated set */
590 	bool PMblocked;		/* block any PSPolling in PS mode, used to buffer
591 				 * AP traffic, also used to indicate in progress
592 				 * of scan, rm, etc. off home channel activity.
593 				 */
594 	bool PSpoll;		/* whether there is an outstanding PS-Poll frame */
595 	u8 PM;		/* power-management mode (CAM, PS or FASTPS) */
596 	bool PMawakebcn;	/* bcn recvd during current waking state */
597 
598 	bool WME_PM_blocked;	/* Can STA go to PM when in WME Auto mode */
599 	bool wake;		/* host-specified PS-mode sleep state */
600 	u8 pspoll_prd;	/* pspoll interval in milliseconds */
601 	u8 bcn_li_bcn;	/* beacon listen interval in # beacons */
602 	u8 bcn_li_dtim;	/* beacon listen interval in # dtims */
603 
604 	bool WDarmed;		/* watchdog timer is armed */
605 	u32 WDlast;		/* last time wlc_watchdog() was called */
606 
607 	/* WME */
608 	ac_bitmap_t wme_dp;	/* Discard (oldest first) policy per AC */
609 	bool wme_apsd;		/* enable Advanced Power Save Delivery */
610 	ac_bitmap_t wme_admctl;	/* bit i set if AC i under admission control */
611 	u16 edcf_txop[AC_COUNT];	/* current txop for each ac */
612 	wme_param_ie_t wme_param_ie;	/* WME parameter info element, which on STA
613 					 * contains parameters in use locally, and on
614 					 * AP contains parameters advertised to STA
615 					 * in beacons and assoc responses.
616 					 */
617 	bool wme_prec_queuing;	/* enable/disable non-wme STA prec queuing */
618 	u16 wme_retries[AC_COUNT];	/* per-AC retry limits */
619 
620 	int vlan_mode;		/* OK to use 802.1Q Tags (ON, OFF, AUTO) */
621 	u16 tx_prec_map;	/* Precedence map based on HW FIFO space */
622 	u16 fifo2prec_map[NFIFO];	/* pointer to fifo2_prec map based on WME */
623 
624 	/*
625 	 * BSS Configurations set of BSS configurations, idx 0 is default and
626 	 * always valid
627 	 */
628 	struct wlc_bsscfg *bsscfg[WLC_MAXBSSCFG];
629 	struct wlc_bsscfg *cfg;	/* the primary bsscfg (can be AP or STA) */
630 	u8 stas_associated;	/* count of ASSOCIATED STA bsscfgs */
631 	u8 aps_associated;	/* count of UP AP bsscfgs */
632 	u8 block_datafifo;	/* prohibit posting frames to data fifos */
633 	bool bcmcfifo_drain;	/* TX_BCMC_FIFO is set to drain */
634 
635 	/* tx queue */
636 	struct wlc_txq_info *tx_queues;	/* common TX Queue list */
637 
638 	/* security */
639 	wsec_key_t *wsec_keys[WSEC_MAX_KEYS];	/* dynamic key storage */
640 	wsec_key_t *wsec_def_keys[WLC_DEFAULT_KEYS];	/* default key storage */
641 	bool wsec_swkeys;	/* indicates that all keys should be
642 				 * treated as sw keys (used for debugging)
643 				 */
644 	struct modulecb *modulecb;
645 	struct dumpcb_s *dumpcb_head;
646 
647 	u8 mimoft;		/* SIGN or 11N */
648 	u8 mimo_band_bwcap;	/* bw cap per band type */
649 	s8 txburst_limit_override;	/* tx burst limit override */
650 	u16 txburst_limit;	/* tx burst limit value */
651 	s8 cck_40txbw;	/* 11N, cck tx b/w override when in 40MHZ mode */
652 	s8 ofdm_40txbw;	/* 11N, ofdm tx b/w override when in 40MHZ mode */
653 	s8 mimo_40txbw;	/* 11N, mimo tx b/w override when in 40MHZ mode */
654 	/* HT CAP IE being advertised by this node: */
655 	struct ieee80211_ht_cap ht_cap;
656 
657 	uint seckeys;		/* 54 key table shm address */
658 	uint tkmickeys;		/* 12 TKIP MIC key table shm address */
659 
660 	wlc_bss_info_t *default_bss;	/* configured BSS parameters */
661 
662 	u16 AID;		/* association ID */
663 	u16 counter;		/* per-sdu monotonically increasing counter */
664 	u16 mc_fid_counter;	/* BC/MC FIFO frame ID counter */
665 
666 	bool ibss_allowed;	/* false, all IBSS will be ignored during a scan
667 				 * and the driver will not allow the creation of
668 				 * an IBSS network
669 				 */
670 	bool ibss_coalesce_allowed;
671 
672 	char country_default[WLC_CNTRY_BUF_SZ];	/* saved country for leaving 802.11d
673 						 * auto-country mode
674 						 */
675 	char autocountry_default[WLC_CNTRY_BUF_SZ];	/* initial country for 802.11d
676 							 * auto-country mode
677 							 */
678 #ifdef BCMDBG
679 	bcm_tlv_t *country_ie_override;	/* debug override of announced Country IE */
680 #endif
681 
682 	u16 prb_resp_timeout;	/* do not send prb resp if request older than this,
683 					 * 0 = disable
684 					 */
685 
686 	wlc_rateset_t sup_rates_override;	/* use only these rates in 11g supported rates if
687 						 * specifed
688 						 */
689 
690 	chanspec_t home_chanspec;	/* shared home chanspec */
691 
692 	/* PHY parameters */
693 	chanspec_t chanspec;	/* target operational channel */
694 	u16 usr_fragthresh;	/* user configured fragmentation threshold */
695 	u16 fragthresh[NFIFO];	/* per-fifo fragmentation thresholds */
696 	u16 RTSThresh;	/* 802.11 dot11RTSThreshold */
697 	u16 SRL;		/* 802.11 dot11ShortRetryLimit */
698 	u16 LRL;		/* 802.11 dot11LongRetryLimit */
699 	u16 SFBL;		/* Short Frame Rate Fallback Limit */
700 	u16 LFBL;		/* Long Frame Rate Fallback Limit */
701 
702 	/* network config */
703 	bool shortpreamble;	/* currently operating with CCK ShortPreambles */
704 	bool shortslot;		/* currently using 11g ShortSlot timing */
705 	s8 barker_preamble;	/* current Barker Preamble Mode */
706 	s8 shortslot_override;	/* 11g ShortSlot override */
707 	bool include_legacy_erp;	/* include Legacy ERP info elt ID 47 as well as g ID 42 */
708 	bool barker_overlap_control;	/* true: be aware of overlapping BSSs for barker */
709 	bool ignore_bcns;	/* override: ignore non shortslot bcns in a 11g network */
710 	bool legacy_probe;	/* restricts probe requests to CCK rates */
711 
712 	struct wlc_protection *protection;
713 	s8 PLCPHdr_override;	/* 802.11b Preamble Type override */
714 
715 	struct wlc_stf *stf;
716 
717 	struct pkt_cb *pkt_callback;	/* tx completion callback handlers */
718 
719 	u32 txretried;	/* tx retried number in one msdu */
720 
721 	ratespec_t bcn_rspec;	/* save bcn ratespec purpose */
722 
723 	bool apsd_sta_usp;	/* Unscheduled Service Period in progress on STA */
724 	struct wl_timer *apsd_trigger_timer;	/* timer for wme apsd trigger frames */
725 	u32 apsd_trigger_timeout;	/* timeout value for apsd_trigger_timer (in ms)
726 					 * 0 == disable
727 					 */
728 	ac_bitmap_t apsd_trigger_ac;	/* Permissible Access Category in which APSD Null
729 					 * Trigger frames can be send
730 					 */
731 	u8 htphy_membership;	/* HT PHY membership */
732 
733 	bool _regulatory_domain;	/* 802.11d enabled? */
734 
735 	u8 mimops_PM;
736 
737 	u8 txpwr_percent;	/* power output percentage */
738 
739 	u8 ht_wsec_restriction;	/* the restriction of HT with TKIP or WEP */
740 
741 	uint tempsense_lasttime;
742 
743 	u16 tx_duty_cycle_ofdm;	/* maximum allowed duty cycle for OFDM */
744 	u16 tx_duty_cycle_cck;	/* maximum allowed duty cycle for CCK */
745 
746 	u16 next_bsscfg_ID;
747 
748 	struct wlc_if *wlcif_list;	/* linked list of wlc_if structs */
749 	struct wlc_txq_info *active_queue; /* txq for the currently active
750 					    * transmit context
751 					    */
752 	u32 mpc_dur;		/* total time (ms) in mpc mode except for the
753 				 * portion since radio is turned off last time
754 				 */
755 	u32 mpc_laston_ts;	/* timestamp (ms) when radio is turned off last
756 				 * time
757 				 */
758 	bool pr80838_war;
759 	uint hwrxoff;
760 };
761 
762 /* antsel module specific state */
763 struct antsel_info {
764 	struct wlc_info *wlc;	/* pointer to main wlc structure */
765 	struct wlc_pub *pub;		/* pointer to public fn */
766 	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
767 				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
768 				 */
769 	u8 antsel_antswitch;	/* board level antenna switch type */
770 	bool antsel_avail;	/* Ant selection availability (SROM based) */
771 	wlc_antselcfg_t antcfg_11n;	/* antenna configuration */
772 	wlc_antselcfg_t antcfg_cur;	/* current antenna config (auto) */
773 };
774 
775 #define	CHANNEL_BANDUNIT(wlc, ch) (((ch) <= CH_MAX_2G_CHANNEL) ? BAND_2G_INDEX : BAND_5G_INDEX)
776 #define	OTHERBANDUNIT(wlc)	((uint)((wlc)->band->bandunit ? BAND_2G_INDEX : BAND_5G_INDEX))
777 
778 #define IS_MBAND_UNLOCKED(wlc) \
779 	((NBANDS(wlc) > 1) && !(wlc)->bandlocked)
780 
781 #define WLC_BAND_PI_RADIO_CHANSPEC wlc_phy_chanspec_get(wlc->band->pi)
782 
783 /* sum the individual fifo tx pending packet counts */
784 #define	TXPKTPENDTOT(wlc) ((wlc)->core->txpktpend[0] + (wlc)->core->txpktpend[1] + \
785 	(wlc)->core->txpktpend[2] + (wlc)->core->txpktpend[3])
786 #define TXPKTPENDGET(wlc, fifo)		((wlc)->core->txpktpend[(fifo)])
787 #define TXPKTPENDINC(wlc, fifo, val)	((wlc)->core->txpktpend[(fifo)] += (val))
788 #define TXPKTPENDDEC(wlc, fifo, val)	((wlc)->core->txpktpend[(fifo)] -= (val))
789 #define TXPKTPENDCLR(wlc, fifo)		((wlc)->core->txpktpend[(fifo)] = 0)
790 #define TXAVAIL(wlc, fifo)		(*(wlc)->core->txavail[(fifo)])
791 #define GETNEXTTXP(wlc, _queue)								\
792 		dma_getnexttxp((wlc)->hw->di[(_queue)], HNDDMA_RANGE_TRANSMITTED)
793 
794 #define WLC_IS_MATCH_SSID(wlc, ssid1, ssid2, len1, len2) \
795 	((len1 == len2) && !memcmp(ssid1, ssid2, len1))
796 
797 extern void wlc_high_dpc(struct wlc_info *wlc, u32 macintstatus);
798 extern void wlc_fatal_error(struct wlc_info *wlc);
799 extern void wlc_bmac_rpc_watchdog(struct wlc_info *wlc);
800 extern void wlc_recv(struct wlc_info *wlc, struct sk_buff *p);
801 extern bool wlc_dotxstatus(struct wlc_info *wlc, tx_status_t *txs, u32 frm_tx2);
802 extern void wlc_txfifo(struct wlc_info *wlc, uint fifo, struct sk_buff *p,
803 		       bool commit, s8 txpktpend);
804 extern void wlc_txfifo_complete(struct wlc_info *wlc, uint fifo, s8 txpktpend);
805 extern void wlc_txq_enq(void *ctx, struct scb *scb, struct sk_buff *sdu,
806 			uint prec);
807 extern void wlc_info_init(struct wlc_info *wlc, int unit);
808 extern void wlc_print_txstatus(tx_status_t *txs);
809 extern int wlc_xmtfifo_sz_get(struct wlc_info *wlc, uint fifo, uint *blocks);
810 extern void wlc_write_template_ram(struct wlc_info *wlc, int offset, int len,
811 				   void *buf);
812 extern void wlc_write_hw_bcntemplates(struct wlc_info *wlc, void *bcn, int len,
813 				      bool both);
814 #if defined(BCMDBG)
815 extern void wlc_get_rcmta(struct wlc_info *wlc, int idx,
816 			  u8 *addr);
817 #endif
818 extern void wlc_set_rcmta(struct wlc_info *wlc, int idx,
819 			  const u8 *addr);
820 extern void wlc_read_tsf(struct wlc_info *wlc, u32 *tsf_l_ptr,
821 			 u32 *tsf_h_ptr);
822 extern void wlc_set_cwmin(struct wlc_info *wlc, u16 newmin);
823 extern void wlc_set_cwmax(struct wlc_info *wlc, u16 newmax);
824 extern void wlc_fifoerrors(struct wlc_info *wlc);
825 extern void wlc_pllreq(struct wlc_info *wlc, bool set, mbool req_bit);
826 extern void wlc_reset_bmac_done(struct wlc_info *wlc);
827 extern void wlc_hwtimer_gptimer_set(struct wlc_info *wlc, uint us);
828 extern void wlc_hwtimer_gptimer_abort(struct wlc_info *wlc);
829 
830 #if defined(BCMDBG)
831 extern void wlc_print_rxh(d11rxhdr_t *rxh);
832 extern void wlc_print_hdrs(struct wlc_info *wlc, const char *prefix, u8 *frame,
833 			   d11txh_t *txh, d11rxhdr_t *rxh, uint len);
834 extern void wlc_print_txdesc(d11txh_t *txh);
835 #else
836 #define wlc_print_txdesc(a)
837 #endif
838 #if defined(BCMDBG)
839 extern void wlc_print_dot11_mac_hdr(u8 *buf, int len);
840 #endif
841 
842 extern void wlc_setxband(struct wlc_hw_info *wlc_hw, uint bandunit);
843 extern void wlc_coredisable(struct wlc_hw_info *wlc_hw);
844 
845 extern bool wlc_valid_rate(struct wlc_info *wlc, ratespec_t rate, int band,
846 			   bool verbose);
847 extern void wlc_ap_upd(struct wlc_info *wlc);
848 
849 /* helper functions */
850 extern void wlc_shm_ssid_upd(struct wlc_info *wlc, struct wlc_bsscfg *cfg);
851 extern int wlc_set_gmode(struct wlc_info *wlc, u8 gmode, bool config);
852 
853 extern void wlc_mac_bcn_promisc_change(struct wlc_info *wlc, bool promisc);
854 extern void wlc_mac_bcn_promisc(struct wlc_info *wlc);
855 extern void wlc_mac_promisc(struct wlc_info *wlc);
856 extern void wlc_txflowcontrol(struct wlc_info *wlc, struct wlc_txq_info *qi,
857 			      bool on, int prio);
858 extern void wlc_txflowcontrol_override(struct wlc_info *wlc,
859 				       struct wlc_txq_info *qi,
860 				       bool on, uint override);
861 extern bool wlc_txflowcontrol_prio_isset(struct wlc_info *wlc,
862 					 struct wlc_txq_info *qi, int prio);
863 extern void wlc_send_q(struct wlc_info *wlc, struct wlc_txq_info *qi);
864 extern int wlc_prep_pdu(struct wlc_info *wlc, struct sk_buff *pdu, uint *fifo);
865 
866 extern u16 wlc_calc_lsig_len(struct wlc_info *wlc, ratespec_t ratespec,
867 				uint mac_len);
868 extern ratespec_t wlc_rspec_to_rts_rspec(struct wlc_info *wlc, ratespec_t rspec,
869 					 bool use_rspec, u16 mimo_ctlchbw);
870 extern u16 wlc_compute_rtscts_dur(struct wlc_info *wlc, bool cts_only,
871 				     ratespec_t rts_rate, ratespec_t frame_rate,
872 				     u8 rts_preamble_type,
873 				     u8 frame_preamble_type, uint frame_len,
874 				     bool ba);
875 
876 extern void wlc_tbtt(struct wlc_info *wlc, d11regs_t *regs);
877 extern void wlc_inval_dma_pkts(struct wlc_hw_info *hw,
878 			       struct ieee80211_sta *sta,
879 			       void (*dma_callback_fn));
880 
881 #if defined(BCMDBG)
882 extern void wlc_dump_ie(struct wlc_info *wlc, bcm_tlv_t *ie,
883 			struct bcmstrbuf *b);
884 #endif
885 
886 extern bool wlc_ps_check(struct wlc_info *wlc);
887 extern void wlc_reprate_init(struct wlc_info *wlc);
888 extern void wlc_bsscfg_reprate_init(struct wlc_bsscfg *bsscfg);
889 extern void wlc_uint64_sub(u32 *a_high, u32 *a_low, u32 b_high,
890 			   u32 b_low);
891 extern u32 wlc_calc_tbtt_offset(u32 bi, u32 tsf_h, u32 tsf_l);
892 
893 /* Shared memory access */
894 extern void wlc_write_shm(struct wlc_info *wlc, uint offset, u16 v);
895 extern u16 wlc_read_shm(struct wlc_info *wlc, uint offset);
896 extern void wlc_set_shm(struct wlc_info *wlc, uint offset, u16 v, int len);
897 extern void wlc_copyto_shm(struct wlc_info *wlc, uint offset, const void *buf,
898 			   int len);
899 extern void wlc_copyfrom_shm(struct wlc_info *wlc, uint offset, void *buf,
900 			     int len);
901 
902 extern void wlc_update_beacon(struct wlc_info *wlc);
903 extern void wlc_bss_update_beacon(struct wlc_info *wlc,
904 				  struct wlc_bsscfg *bsscfg);
905 
906 extern void wlc_update_probe_resp(struct wlc_info *wlc, bool suspend);
907 extern void wlc_bss_update_probe_resp(struct wlc_info *wlc,
908 				      struct wlc_bsscfg *cfg, bool suspend);
909 
910 extern bool wlc_ismpc(struct wlc_info *wlc);
911 extern bool wlc_is_non_delay_mpc(struct wlc_info *wlc);
912 extern void wlc_radio_mpc_upd(struct wlc_info *wlc);
913 extern bool wlc_prec_enq(struct wlc_info *wlc, struct pktq *q, void *pkt,
914 			 int prec);
915 extern bool wlc_prec_enq_head(struct wlc_info *wlc, struct pktq *q,
916 			      struct sk_buff *pkt, int prec, bool head);
917 extern u16 wlc_phytxctl1_calc(struct wlc_info *wlc, ratespec_t rspec);
918 extern void wlc_compute_plcp(struct wlc_info *wlc, ratespec_t rate, uint length,
919 			     u8 *plcp);
920 extern uint wlc_calc_frame_time(struct wlc_info *wlc, ratespec_t ratespec,
921 				u8 preamble_type, uint mac_len);
922 
923 extern void wlc_set_chanspec(struct wlc_info *wlc, chanspec_t chanspec);
924 
925 extern bool wlc_timers_init(struct wlc_info *wlc, int unit);
926 
927 extern const bcm_iovar_t wlc_iovars[];
928 
929 extern int wlc_doiovar(void *hdl, const bcm_iovar_t *vi, u32 actionid,
930 		       const char *name, void *params, uint p_len, void *arg,
931 		       int len, int val_size, struct wlc_if *wlcif);
932 
933 #if defined(BCMDBG)
934 extern void wlc_print_ies(struct wlc_info *wlc, u8 *ies, uint ies_len);
935 #endif
936 
937 extern int wlc_set_nmode(struct wlc_info *wlc, s32 nmode);
938 extern void wlc_ht_mimops_cap_update(struct wlc_info *wlc, u8 mimops_mode);
939 extern void wlc_mimops_action_ht_send(struct wlc_info *wlc,
940 				      struct wlc_bsscfg *bsscfg,
941 				      u8 mimops_mode);
942 
943 extern void wlc_switch_shortslot(struct wlc_info *wlc, bool shortslot);
944 extern void wlc_set_bssid(struct wlc_bsscfg *cfg);
945 extern void wlc_edcf_setparams(struct wlc_bsscfg *cfg, bool suspend);
946 
947 extern void wlc_set_ratetable(struct wlc_info *wlc);
948 extern int wlc_set_mac(struct wlc_bsscfg *cfg);
949 extern void wlc_beacon_phytxctl_txant_upd(struct wlc_info *wlc,
950 					  ratespec_t bcn_rate);
951 extern void wlc_mod_prb_rsp_rate_table(struct wlc_info *wlc, uint frame_len);
952 extern ratespec_t wlc_lowest_basic_rspec(struct wlc_info *wlc,
953 					 wlc_rateset_t *rs);
954 extern u16 wlc_compute_bcntsfoff(struct wlc_info *wlc, ratespec_t rspec,
955 				    bool short_preamble, bool phydelay);
956 extern void wlc_radio_disable(struct wlc_info *wlc);
957 extern void wlc_bcn_li_upd(struct wlc_info *wlc);
958 
959 extern int wlc_get_revision_info(struct wlc_info *wlc, void *buf, uint len);
960 extern void wlc_out(struct wlc_info *wlc);
961 extern void wlc_set_home_chanspec(struct wlc_info *wlc, chanspec_t chanspec);
962 extern void wlc_watchdog_upd(struct wlc_info *wlc, bool tbtt);
963 extern bool wlc_ps_allowed(struct wlc_info *wlc);
964 extern bool wlc_stay_awake(struct wlc_info *wlc);
965 extern void wlc_wme_initparams_sta(struct wlc_info *wlc, wme_param_ie_t *pe);
966 
967 extern void wlc_bss_list_free(struct wlc_info *wlc,
968 			      struct wlc_bss_list *bss_list);
969 extern void wlc_ht_mimops_cap_update(struct wlc_info *wlc, u8 mimops_mode);
970 #endif				/* _wlc_h_ */
971