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 _BRCM_MAIN_H_
18  #define _BRCM_MAIN_H_
19  
20  #include <linux/etherdevice.h>
21  
22  #include <brcmu_utils.h>
23  #include "types.h"
24  #include "d11.h"
25  #include "scb.h"
26  
27  #define	INVCHANNEL		255	/* invalid channel */
28  
29  /* max # brcms_c_module_register() calls */
30  #define BRCMS_MAXMODULES	22
31  
32  #define SEQNUM_SHIFT		4
33  #define SEQNUM_MAX		0x1000
34  
35  #define NTXRATE			64	/* # tx MPDUs rate is reported for */
36  
37  /* Maximum wait time for a MAC suspend */
38  /* uS: 83mS is max packet time (64KB ampdu @ 6Mbps) */
39  #define	BRCMS_MAX_MAC_SUSPEND	83000
40  
41  /* responses for probe requests older that this are tossed, zero to disable */
42  #define BRCMS_PRB_RESP_TIMEOUT	0	/* Disable probe response timeout */
43  
44  /* transmit buffer max headroom for protocol headers */
45  #define TXOFF (D11_TXH_LEN + D11_PHY_HDR_LEN)
46  
47  /* Macros for doing definition and get/set of bitfields
48   * Usage example, e.g. a three-bit field (bits 4-6):
49   *    #define <NAME>_M	BITFIELD_MASK(3)
50   *    #define <NAME>_S	4
51   * ...
52   *    regval = R_REG(osh, &regs->regfoo);
53   *    field = GFIELD(regval, <NAME>);
54   *    regval = SFIELD(regval, <NAME>, 1);
55   *    W_REG(osh, &regs->regfoo, regval);
56   */
57  #define BITFIELD_MASK(width) \
58  		(((unsigned)1 << (width)) - 1)
59  #define GFIELD(val, field) \
60  		(((val) >> field ## _S) & field ## _M)
61  #define SFIELD(val, field, bits) \
62  		(((val) & (~(field ## _M << field ## _S))) | \
63  		 ((unsigned)(bits) << field ## _S))
64  
65  #define	SW_TIMER_MAC_STAT_UPD		30	/* periodic MAC stats update */
66  
67  /* max # supported core revisions (0 .. MAXCOREREV - 1) */
68  #define	MAXCOREREV		28
69  
70  /* Double check that unsupported cores are not enabled */
71  #if CONF_MSK(D11CONF, 0x4f) || CONF_GE(D11CONF, MAXCOREREV)
72  #error "Configuration for D11CONF includes unsupported versions."
73  #endif				/* Bad versions */
74  
75  /* values for shortslot_override */
76  #define BRCMS_SHORTSLOT_AUTO	-1 /* Driver will manage Shortslot setting */
77  #define BRCMS_SHORTSLOT_OFF	0  /* Turn off short slot */
78  #define BRCMS_SHORTSLOT_ON	1  /* Turn on short slot */
79  
80  /* value for short/long and mixmode/greenfield preamble */
81  #define BRCMS_LONG_PREAMBLE	(0)
82  #define BRCMS_SHORT_PREAMBLE	(1 << 0)
83  #define BRCMS_GF_PREAMBLE		(1 << 1)
84  #define BRCMS_MM_PREAMBLE		(1 << 2)
85  #define BRCMS_IS_MIMO_PREAMBLE(_pre) (((_pre) == BRCMS_GF_PREAMBLE) || \
86  				      ((_pre) == BRCMS_MM_PREAMBLE))
87  
88  /* TxFrameID */
89  /* seq and frag bits: SEQNUM_SHIFT, FRAGNUM_MASK (802.11.h) */
90  /* rate epoch bits: TXFID_RATE_SHIFT, TXFID_RATE_MASK ((wlc_rate.c) */
91  #define TXFID_QUEUE_MASK	0x0007	/* Bits 0-2 */
92  #define TXFID_SEQ_MASK		0x7FE0	/* Bits 5-15 */
93  #define TXFID_SEQ_SHIFT		5	/* Number of bit shifts */
94  #define	TXFID_RATE_PROBE_MASK	0x8000	/* Bit 15 for rate probe */
95  #define TXFID_RATE_MASK		0x0018	/* Mask for bits 3 and 4 */
96  #define TXFID_RATE_SHIFT	3	/* Shift 3 bits for rate mask */
97  
98  /* promote boardrev */
99  #define BOARDREV_PROMOTABLE	0xFF	/* from */
100  #define BOARDREV_PROMOTED	1	/* to */
101  
102  #define DATA_BLOCK_TX_SUPR	(1 << 4)
103  
104  /* Ucode MCTL_WAKE override bits */
105  #define BRCMS_WAKE_OVERRIDE_CLKCTL	0x01
106  #define BRCMS_WAKE_OVERRIDE_PHYREG	0x02
107  #define BRCMS_WAKE_OVERRIDE_MACSUSPEND	0x04
108  #define BRCMS_WAKE_OVERRIDE_TXFIFO	0x08
109  #define BRCMS_WAKE_OVERRIDE_FORCEFAST	0x10
110  
111  /* stuff pulled in from wlc.c */
112  
113  /* Interrupt bit error summary.  Don't include I_RU: we refill DMA at other
114   * times; and if we run out, constant I_RU interrupts may cause lockup.  We
115   * will still get error counts from rx0ovfl.
116   */
117  #define	I_ERRORS	(I_PC | I_PD | I_DE | I_RO | I_XU)
118  /* default software intmasks */
119  #define	DEF_RXINTMASK	(I_RI)	/* enable rx int on rxfifo only */
120  #define	DEF_MACINTMASK	(MI_TXSTOP | MI_TBTT | MI_ATIMWINEND | MI_PMQ | \
121  			 MI_PHYTXERR | MI_DMAINT | MI_TFS | MI_BG_NOISE | \
122  			 MI_CCA | MI_TO | MI_GP0 | MI_RFDISABLE | MI_PWRUP)
123  
124  #define	MAXTXPKTS		6	/* max # pkts pending */
125  
126  /* frameburst */
127  #define	MAXTXFRAMEBURST		8 /* vanilla xpress mode: max frames/burst */
128  #define	MAXFRAMEBURST_TXOP	10000	/* Frameburst TXOP in usec */
129  
130  #define	NFIFO			6	/* # tx/rx fifopairs */
131  
132  /* PLL requests */
133  
134  /* pll is shared on old chips */
135  #define BRCMS_PLLREQ_SHARED	0x1
136  /* hold pll for radio monitor register checking */
137  #define BRCMS_PLLREQ_RADIO_MON	0x2
138  /* hold/release pll for some short operation */
139  #define BRCMS_PLLREQ_FLIP		0x4
140  
141  #define	CHANNEL_BANDUNIT(wlc, ch) \
142  	(((ch) <= CH_MAX_2G_CHANNEL) ? BAND_2G_INDEX : BAND_5G_INDEX)
143  
144  #define	OTHERBANDUNIT(wlc) \
145  	((uint)((wlc)->band->bandunit ? BAND_2G_INDEX : BAND_5G_INDEX))
146  
147  /*
148   * 802.11 protection information
149   *
150   * _g: use g spec protection, driver internal.
151   * g_override: override for use of g spec protection.
152   * gmode_user: user config gmode, operating band->gmode is different.
153   * overlap: Overlap BSS/IBSS protection for both 11g and 11n.
154   * nmode_user: user config nmode, operating pub->nmode is different.
155   * n_cfg: use OFDM protection on MIMO frames.
156   * n_cfg_override: override for use of N protection.
157   * nongf: non-GF present protection.
158   * nongf_override: override for use of GF protection.
159   * n_pam_override: override for preamble: MM or GF.
160   * n_obss: indicated OBSS Non-HT STA present.
161  */
162  struct brcms_protection {
163  	bool _g;
164  	s8 g_override;
165  	u8 gmode_user;
166  	s8 overlap;
167  	s8 nmode_user;
168  	s8 n_cfg;
169  	s8 n_cfg_override;
170  	bool nongf;
171  	s8 nongf_override;
172  	s8 n_pam_override;
173  	bool n_obss;
174  };
175  
176  /*
177   * anything affecting the single/dual streams/antenna operation
178   *
179   * hw_txchain: HW txchain bitmap cfg.
180   * txchain: txchain bitmap being used.
181   * txstreams: number of txchains being used.
182   * hw_rxchain: HW rxchain bitmap cfg.
183   * rxchain: rxchain bitmap being used.
184   * rxstreams: number of rxchains being used.
185   * ant_rx_ovr: rx antenna override.
186   * txant: userTx antenna setting.
187   * phytxant: phyTx antenna setting in txheader.
188   * ss_opmode: singlestream Operational mode, 0:siso; 1:cdd.
189   * ss_algosel_auto: if true, use wlc->stf->ss_algo_channel;
190   *			else use wlc->band->stf->ss_mode_band.
191   * ss_algo_channel: ss based on per-channel algo: 0: SISO, 1: CDD 2: STBC.
192   * rxchain_restore_delay: delay time to restore default rxchain.
193   * ldpc: AUTO/ON/OFF ldpc cap supported.
194   * txcore[MAX_STREAMS_SUPPORTED + 1]: bitmap of selected core for each Nsts.
195   * spatial_policy:
196   */
197  struct brcms_stf {
198  	u8 hw_txchain;
199  	u8 txchain;
200  	u8 txstreams;
201  	u8 hw_rxchain;
202  	u8 rxchain;
203  	u8 rxstreams;
204  	u8 ant_rx_ovr;
205  	s8 txant;
206  	u16 phytxant;
207  	u8 ss_opmode;
208  	bool ss_algosel_auto;
209  	u16 ss_algo_channel;
210  	u8 rxchain_restore_delay;
211  	s8 ldpc;
212  	u8 txcore[MAX_STREAMS_SUPPORTED + 1];
213  	s8 spatial_policy;
214  };
215  
216  #define BRCMS_STF_SS_STBC_TX(wlc, scb) \
217  	(((wlc)->stf->txstreams > 1) && (((wlc)->band->band_stf_stbc_tx == ON) \
218  	 || (((scb)->flags & SCB_STBCCAP) && \
219  	     (wlc)->band->band_stf_stbc_tx == AUTO && \
220  	     isset(&((wlc)->stf->ss_algo_channel), PHY_TXC1_MODE_STBC))))
221  
222  #define BRCMS_STBC_CAP_PHY(wlc) (BRCMS_ISNPHY(wlc->band) && \
223  				 NREV_GE(wlc->band->phyrev, 3))
224  
225  #define BRCMS_SGI_CAP_PHY(wlc) ((BRCMS_ISNPHY(wlc->band) && \
226  				 NREV_GE(wlc->band->phyrev, 3)) || \
227  				BRCMS_ISLCNPHY(wlc->band))
228  
229  #define BRCMS_CHAN_PHYTYPE(x)     (((x) & RXS_CHAN_PHYTYPE_MASK) \
230  				   >> RXS_CHAN_PHYTYPE_SHIFT)
231  #define BRCMS_CHAN_CHANNEL(x)     (((x) & RXS_CHAN_ID_MASK) \
232  				   >> RXS_CHAN_ID_SHIFT)
233  
234  /*
235   * core state (mac)
236   */
237  struct brcms_core {
238  	uint coreidx;		/* # sb enumerated core */
239  
240  	/* fifo */
241  	uint *txavail[NFIFO];	/* # tx descriptors available */
242  
243  	struct macstat *macstat_snapshot;	/* mac hw prev read values */
244  };
245  
246  /*
247   * band state (phy+ana+radio)
248   */
249  struct brcms_band {
250  	int bandtype;		/* BRCM_BAND_2G, BRCM_BAND_5G */
251  	uint bandunit;		/* bandstate[] index */
252  
253  	u16 phytype;		/* phytype */
254  	u16 phyrev;
255  	u16 radioid;
256  	u16 radiorev;
257  	struct brcms_phy_pub *pi; /* pointer to phy specific information */
258  	bool abgphy_encore;
259  
260  	u8 gmode;		/* currently active gmode */
261  
262  	struct scb *hwrs_scb;	/* permanent scb for hw rateset */
263  
264  	/* band-specific copy of default_bss.rateset */
265  	struct brcms_c_rateset defrateset;
266  
267  	u8 band_stf_ss_mode;	/* Configured STF type, 0:siso; 1:cdd */
268  	s8 band_stf_stbc_tx;	/* STBC TX 0:off; 1:force on; -1:auto */
269  	/* rates supported by chip (phy-specific) */
270  	struct brcms_c_rateset hw_rateset;
271  	u8 basic_rate[BRCM_MAXRATE + 1]; /* basic rates indexed by rate */
272  	bool mimo_cap_40;	/* 40 MHz cap enabled on this band */
273  	s8 antgain;		/* antenna gain from srom */
274  
275  	u16 CWmin; /* minimum size of contention window, in unit of aSlotTime */
276  	u16 CWmax; /* maximum size of contention window, in unit of aSlotTime */
277  	struct ieee80211_supported_band band;
278  };
279  
280  /* module control blocks */
281  struct modulecb {
282  	/* module name : NULL indicates empty array member */
283  	char name[32];
284  	/* handle passed when handler 'doiovar' is called */
285  	struct brcms_info *hdl;
286  
287  	int (*down_fn)(void *handle); /* down handler. Note: the int returned
288  				       * by the down function is a count of the
289  				       * number of timers that could not be
290  				       * freed.
291  				       */
292  
293  };
294  
295  struct brcms_hw_band {
296  	int bandtype;		/* BRCM_BAND_2G, BRCM_BAND_5G */
297  	uint bandunit;		/* bandstate[] index */
298  	u16 mhfs[MHFMAX];	/* MHF array shadow */
299  	u8 bandhw_stf_ss_mode;	/* HW configured STF type, 0:siso; 1:cdd */
300  	u16 CWmin;
301  	u16 CWmax;
302  	u32 core_flags;
303  
304  	u16 phytype;		/* phytype */
305  	u16 phyrev;
306  	u16 radioid;
307  	u16 radiorev;
308  	struct brcms_phy_pub *pi; /* pointer to phy specific information */
309  	bool abgphy_encore;
310  };
311  
312  struct brcms_hardware {
313  	bool _piomode;		/* true if pio mode */
314  	struct brcms_c_info *wlc;
315  
316  	/* fifo */
317  	struct dma_pub *di[NFIFO];	/* dma handles, per fifo */
318  
319  	uint unit;		/* device instance number */
320  
321  	/* version info */
322  	u16 vendorid;	/* PCI vendor id */
323  	u16 deviceid;	/* PCI device id */
324  	uint corerev;		/* core revision */
325  	u8 sromrev;		/* version # of the srom */
326  	u16 boardrev;	/* version # of particular board */
327  	u32 boardflags;	/* Board specific flags from srom */
328  	u32 boardflags2;	/* More board flags if sromrev >= 4 */
329  	u32 machwcap;	/* MAC capabilities */
330  	u32 machwcap_backup;	/* backup of machwcap */
331  
332  	struct si_pub *sih;	/* SI handle (cookie for siutils calls) */
333  	struct bcma_device *d11core;	/* pointer to 802.11 core */
334  	struct phy_shim_info *physhim; /* phy shim layer handler */
335  	struct shared_phy *phy_sh;	/* pointer to shared phy state */
336  	struct brcms_hw_band *band;/* pointer to active per-band state */
337  	/* band state per phy/radio */
338  	struct brcms_hw_band *bandstate[MAXBANDS];
339  	u16 bmac_phytxant;	/* cache of high phytxant state */
340  	bool shortslot;		/* currently using 11g ShortSlot timing */
341  	u16 SRL;		/* 802.11 dot11ShortRetryLimit */
342  	u16 LRL;		/* 802.11 dot11LongRetryLimit */
343  	u16 SFBL;		/* Short Frame Rate Fallback Limit */
344  	u16 LFBL;		/* Long Frame Rate Fallback Limit */
345  
346  	bool up;		/* d11 hardware up and running */
347  	uint now;		/* # elapsed seconds */
348  	uint _nbands;		/* # bands supported */
349  	u16 chanspec;	/* bmac chanspec shadow */
350  
351  	uint *txavail[NFIFO];	/* # tx descriptors available */
352  	const u16 *xmtfifo_sz;	/* fifo size in 256B for each xmt fifo */
353  
354  	u32 pllreq;		/* pll requests to keep PLL on */
355  
356  	u8 suspended_fifos;	/* Which TX fifo to remain awake for */
357  	u32 maccontrol;	/* Cached value of maccontrol */
358  	uint mac_suspend_depth;	/* current depth of mac_suspend levels */
359  	u32 wake_override;	/* bit flags to force MAC to WAKE mode */
360  	u32 mute_override;	/* Prevent ucode from sending beacons */
361  	u8 etheraddr[ETH_ALEN];	/* currently configured ethernet address */
362  	bool noreset;		/* true= do not reset hw, used by WLC_OUT */
363  	bool forcefastclk;	/* true if h/w is forcing to use fast clk */
364  	bool clk;		/* core is out of reset and has clock */
365  	bool sbclk;		/* sb has clock */
366  	bool phyclk;		/* phy is out of reset and has clock */
367  
368  	bool ucode_loaded;	/* true after ucode downloaded */
369  
370  
371  	u8 hw_stf_ss_opmode;	/* STF single stream operation mode */
372  	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
373  				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
374  				 */
375  	u32 antsel_avail;	/*
376  				 * put struct antsel_info here if more info is
377  				 * needed
378  				 */
379  };
380  
381  /*
382   * Principal common driver data structure.
383   *
384   * pub: pointer to driver public state.
385   * wl: pointer to specific private state.
386   * hw: HW related state.
387   * clkreq_override: setting for clkreq for PCIE : Auto, 0, 1.
388   * fastpwrup_dly: time in us needed to bring up d11 fast clock.
389   * macintstatus: bit channel between isr and dpc.
390   * macintmask: sw runtime master macintmask value.
391   * defmacintmask: default "on" macintmask value.
392   * clk: core is out of reset and has clock.
393   * core: pointer to active io core.
394   * band: pointer to active per-band state.
395   * corestate: per-core state (one per hw core).
396   * bandstate: per-band state (one per phy/radio).
397   * qvalid: DirFrmQValid and BcMcFrmQValid.
398   * ampdu: ampdu module handler.
399   * asi: antsel module handler.
400   * cmi: channel manager module handler.
401   * vendorid: PCI vendor id.
402   * deviceid: PCI device id.
403   * ucode_rev: microcode revision.
404   * machwcap: MAC capabilities, BMAC shadow.
405   * perm_etheraddr: original sprom local ethernet address.
406   * bandlocked: disable auto multi-band switching.
407   * bandinit_pending: track band init in auto band.
408   * radio_monitor: radio timer is running.
409   * going_down: down path intermediate variable.
410   * wdtimer: timer for watchdog routine.
411   * radio_timer: timer for hw radio button monitor routine.
412   * monitor: monitor (MPDU sniffing) mode.
413   * bcnmisc_monitor: bcns promisc mode override for monitor.
414   * _rifs: enable per-packet rifs.
415   * bcn_li_bcn: beacon listen interval in # beacons.
416   * bcn_li_dtim: beacon listen interval in # dtims.
417   * WDarmed: watchdog timer is armed.
418   * WDlast: last time wlc_watchdog() was called.
419   * edcf_txop[IEEE80211_NUM_ACS]: current txop for each ac.
420   * wme_retries: per-AC retry limits.
421   * bsscfg: set of BSS configurations, idx 0 is default and always valid.
422   * cfg: the primary bsscfg (can be AP or STA).
423   * modulecb:
424   * mimoft: SIGN or 11N.
425   * cck_40txbw: 11N, cck tx b/w override when in 40MHZ mode.
426   * ofdm_40txbw: 11N, ofdm tx b/w override when in 40MHZ mode.
427   * mimo_40txbw: 11N, mimo tx b/w override when in 40MHZ mode.
428   * default_bss: configured BSS parameters.
429   * mc_fid_counter: BC/MC FIFO frame ID counter.
430   * country_default: saved country for leaving 802.11d auto-country mode.
431   * autocountry_default: initial country for 802.11d auto-country mode.
432   * prb_resp_timeout: do not send prb resp if request older
433   *		     than this, 0 = disable.
434   * home_chanspec: shared home chanspec.
435   * chanspec: target operational channel.
436   * usr_fragthresh: user configured fragmentation threshold.
437   * fragthresh[NFIFO]: per-fifo fragmentation thresholds.
438   * RTSThresh: 802.11 dot11RTSThreshold.
439   * SRL: 802.11 dot11ShortRetryLimit.
440   * LRL: 802.11 dot11LongRetryLimit.
441   * SFBL: Short Frame Rate Fallback Limit.
442   * LFBL: Long Frame Rate Fallback Limit.
443   * shortslot: currently using 11g ShortSlot timing.
444   * shortslot_override: 11g ShortSlot override.
445   * include_legacy_erp: include Legacy ERP info elt ID 47 as well as g ID 42.
446   * PLCPHdr_override: 802.11b Preamble Type override.
447   * stf:
448   * bcn_rspec: save bcn ratespec purpose.
449   * tempsense_lasttime;
450   * tx_duty_cycle_ofdm: maximum allowed duty cycle for OFDM.
451   * tx_duty_cycle_cck: maximum allowed duty cycle for CCK.
452   * wiphy:
453   * pri_scb: primary Station Control Block
454   */
455  struct brcms_c_info {
456  	struct brcms_pub *pub;
457  	struct brcms_info *wl;
458  	struct brcms_hardware *hw;
459  
460  	/* clock */
461  	u16 fastpwrup_dly;
462  
463  	/* interrupt */
464  	u32 macintstatus;
465  	u32 macintmask;
466  	u32 defmacintmask;
467  
468  	bool clk;
469  
470  	/* multiband */
471  	struct brcms_core *core;
472  	struct brcms_band *band;
473  	struct brcms_core *corestate;
474  	struct brcms_band *bandstate[MAXBANDS];
475  
476  	/* packet queue */
477  	uint qvalid;
478  
479  	struct ampdu_info *ampdu;
480  	struct antsel_info *asi;
481  	struct brcms_cm_info *cmi;
482  
483  	u16 vendorid;
484  	u16 deviceid;
485  	uint ucode_rev;
486  
487  	u8 perm_etheraddr[ETH_ALEN];
488  
489  	bool bandlocked;
490  	bool bandinit_pending;
491  
492  	bool radio_monitor;
493  	bool going_down;
494  
495  	bool beacon_template_virgin;
496  
497  	struct brcms_timer *wdtimer;
498  	struct brcms_timer *radio_timer;
499  
500  	/* promiscuous */
501  	uint filter_flags;
502  
503  	/* driver feature */
504  	bool _rifs;
505  
506  	/* AP-STA synchronization, power save */
507  	u8 bcn_li_bcn;
508  	u8 bcn_li_dtim;
509  
510  	bool WDarmed;
511  	u32 WDlast;
512  
513  	/* WME */
514  	u16 edcf_txop[IEEE80211_NUM_ACS];
515  
516  	u16 wme_retries[IEEE80211_NUM_ACS];
517  
518  	struct brcms_bss_cfg *bsscfg;
519  
520  	struct modulecb *modulecb;
521  
522  	u8 mimoft;
523  	s8 cck_40txbw;
524  	s8 ofdm_40txbw;
525  	s8 mimo_40txbw;
526  
527  	struct brcms_bss_info *default_bss;
528  
529  	u16 mc_fid_counter;
530  
531  	char country_default[BRCM_CNTRY_BUF_SZ];
532  	char autocountry_default[BRCM_CNTRY_BUF_SZ];
533  	u16 prb_resp_timeout;
534  
535  	u16 home_chanspec;
536  
537  	/* PHY parameters */
538  	u16 chanspec;
539  	u16 usr_fragthresh;
540  	u16 fragthresh[NFIFO];
541  	u16 RTSThresh;
542  	u16 SRL;
543  	u16 LRL;
544  	u16 SFBL;
545  	u16 LFBL;
546  
547  	/* network config */
548  	bool shortslot;
549  	s8 shortslot_override;
550  	bool include_legacy_erp;
551  
552  	struct brcms_protection *protection;
553  	s8 PLCPHdr_override;
554  
555  	struct brcms_stf *stf;
556  
557  	u32 bcn_rspec;
558  
559  	uint tempsense_lasttime;
560  
561  	u16 tx_duty_cycle_ofdm;
562  	u16 tx_duty_cycle_cck;
563  
564  	struct wiphy *wiphy;
565  	struct scb pri_scb;
566  	struct ieee80211_vif *vif;
567  
568  	struct sk_buff *beacon;
569  	u16 beacon_tim_offset;
570  	u16 beacon_dtim_period;
571  	struct sk_buff *probe_resp;
572  };
573  
574  /* antsel module specific state */
575  struct antsel_info {
576  	struct brcms_c_info *wlc;	/* pointer to main wlc structure */
577  	struct brcms_pub *pub;		/* pointer to public fn */
578  	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
579  				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
580  				 */
581  	u8 antsel_antswitch;	/* board level antenna switch type */
582  	bool antsel_avail;	/* Ant selection availability (SROM based) */
583  	struct brcms_antselcfg antcfg_11n; /* antenna configuration */
584  	struct brcms_antselcfg antcfg_cur; /* current antenna config (auto) */
585  };
586  
587  enum brcms_bss_type {
588  	BRCMS_TYPE_STATION,
589  	BRCMS_TYPE_AP,
590  	BRCMS_TYPE_ADHOC,
591  };
592  
593  /*
594   * BSS configuration state
595   *
596   * wlc: wlc to which this bsscfg belongs to.
597   * type: interface type
598   * SSID_len: the length of SSID
599   * SSID: SSID string
600   *
601   *
602   * BSSID: BSSID (associated)
603   * cur_etheraddr: h/w address
604   * flags: BSSCFG flags; see below
605   *
606   * current_bss: BSS parms in ASSOCIATED state
607   *
608   *
609   * ID: 'unique' ID of this bsscfg, assigned at bsscfg allocation
610   */
611  struct brcms_bss_cfg {
612  	struct brcms_c_info *wlc;
613  	enum brcms_bss_type type;
614  	u8 SSID_len;
615  	u8 SSID[IEEE80211_MAX_SSID_LEN];
616  	u8 BSSID[ETH_ALEN];
617  	struct brcms_bss_info *current_bss;
618  };
619  
620  int brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p);
621  int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
622  			   uint *blocks);
623  
624  int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config);
625  void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags);
626  u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec, uint mac_len);
627  u32 brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc, u32 rspec,
628  			       bool use_rspec, u16 mimo_ctlchbw);
629  u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only,
630  			       u32 rts_rate, u32 frame_rate,
631  			       u8 rts_preamble_type, u8 frame_preamble_type,
632  			       uint frame_len, bool ba);
633  void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
634  			    struct ieee80211_sta *sta, void (*dma_callback_fn));
635  void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend);
636  int brcms_c_set_nmode(struct brcms_c_info *wlc);
637  void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc, u32 bcn_rate);
638  void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, u8 antsel_type);
639  void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec,
640  			  bool mute, struct txpwr_limits *txpwr);
641  void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset, u16 v);
642  u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset);
643  void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask, u16 val,
644  		 int bands);
645  void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags);
646  void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val);
647  void brcms_b_phy_reset(struct brcms_hardware *wlc_hw);
648  void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw);
649  void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw);
650  void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
651  				     u32 override_bit);
652  void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
653  				       u32 override_bit);
654  void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset,
655  				int len, void *buf);
656  u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
657  void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw, uint offset,
658  			   const void *buf, int len, u32 sel);
659  void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset,
660  			     void *buf, int len, u32 sel);
661  void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode);
662  u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw);
663  void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk);
664  void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk);
665  void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on);
666  void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant);
667  void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw, u8 stf_mode);
668  void brcms_c_init_scb(struct scb *scb);
669  
670  #endif				/* _BRCM_MAIN_H_ */
671