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 /* 802.1D Priority to TX FIFO number for wme */
105 extern const u8 prio2fifo[];
106 
107 /* Ucode MCTL_WAKE override bits */
108 #define BRCMS_WAKE_OVERRIDE_CLKCTL	0x01
109 #define BRCMS_WAKE_OVERRIDE_PHYREG	0x02
110 #define BRCMS_WAKE_OVERRIDE_MACSUSPEND	0x04
111 #define BRCMS_WAKE_OVERRIDE_TXFIFO	0x08
112 #define BRCMS_WAKE_OVERRIDE_FORCEFAST	0x10
113 
114 /* stuff pulled in from wlc.c */
115 
116 /* Interrupt bit error summary.  Don't include I_RU: we refill DMA at other
117  * times; and if we run out, constant I_RU interrupts may cause lockup.  We
118  * will still get error counts from rx0ovfl.
119  */
120 #define	I_ERRORS	(I_PC | I_PD | I_DE | I_RO | I_XU)
121 /* default software intmasks */
122 #define	DEF_RXINTMASK	(I_RI)	/* enable rx int on rxfifo only */
123 #define	DEF_MACINTMASK	(MI_TXSTOP | MI_TBTT | MI_ATIMWINEND | MI_PMQ | \
124 			 MI_PHYTXERR | MI_DMAINT | MI_TFS | MI_BG_NOISE | \
125 			 MI_CCA | MI_TO | MI_GP0 | MI_RFDISABLE | MI_PWRUP)
126 
127 #define	MAXTXPKTS		6	/* max # pkts pending */
128 
129 /* frameburst */
130 #define	MAXTXFRAMEBURST		8 /* vanilla xpress mode: max frames/burst */
131 #define	MAXFRAMEBURST_TXOP	10000	/* Frameburst TXOP in usec */
132 
133 #define	NFIFO			6	/* # tx/rx fifopairs */
134 
135 /* PLL requests */
136 
137 /* pll is shared on old chips */
138 #define BRCMS_PLLREQ_SHARED	0x1
139 /* hold pll for radio monitor register checking */
140 #define BRCMS_PLLREQ_RADIO_MON	0x2
141 /* hold/release pll for some short operation */
142 #define BRCMS_PLLREQ_FLIP		0x4
143 
144 #define	CHANNEL_BANDUNIT(wlc, ch) \
145 	(((ch) <= CH_MAX_2G_CHANNEL) ? BAND_2G_INDEX : BAND_5G_INDEX)
146 
147 #define	OTHERBANDUNIT(wlc) \
148 	((uint)((wlc)->band->bandunit ? BAND_2G_INDEX : BAND_5G_INDEX))
149 
150 /*
151  * 802.11 protection information
152  *
153  * _g: use g spec protection, driver internal.
154  * g_override: override for use of g spec protection.
155  * gmode_user: user config gmode, operating band->gmode is different.
156  * overlap: Overlap BSS/IBSS protection for both 11g and 11n.
157  * nmode_user: user config nmode, operating pub->nmode is different.
158  * n_cfg: use OFDM protection on MIMO frames.
159  * n_cfg_override: override for use of N protection.
160  * nongf: non-GF present protection.
161  * nongf_override: override for use of GF protection.
162  * n_pam_override: override for preamble: MM or GF.
163  * n_obss: indicated OBSS Non-HT STA present.
164 */
165 struct brcms_protection {
166 	bool _g;
167 	s8 g_override;
168 	u8 gmode_user;
169 	s8 overlap;
170 	s8 nmode_user;
171 	s8 n_cfg;
172 	s8 n_cfg_override;
173 	bool nongf;
174 	s8 nongf_override;
175 	s8 n_pam_override;
176 	bool n_obss;
177 };
178 
179 /*
180  * anything affecting the single/dual streams/antenna operation
181  *
182  * hw_txchain: HW txchain bitmap cfg.
183  * txchain: txchain bitmap being used.
184  * txstreams: number of txchains being used.
185  * hw_rxchain: HW rxchain bitmap cfg.
186  * rxchain: rxchain bitmap being used.
187  * rxstreams: number of rxchains being used.
188  * ant_rx_ovr: rx antenna override.
189  * txant: userTx antenna setting.
190  * phytxant: phyTx antenna setting in txheader.
191  * ss_opmode: singlestream Operational mode, 0:siso; 1:cdd.
192  * ss_algosel_auto: if true, use wlc->stf->ss_algo_channel;
193  *			else use wlc->band->stf->ss_mode_band.
194  * ss_algo_channel: ss based on per-channel algo: 0: SISO, 1: CDD 2: STBC.
195  * rxchain_restore_delay: delay time to restore default rxchain.
196  * ldpc: AUTO/ON/OFF ldpc cap supported.
197  * txcore[MAX_STREAMS_SUPPORTED + 1]: bitmap of selected core for each Nsts.
198  * spatial_policy:
199  */
200 struct brcms_stf {
201 	u8 hw_txchain;
202 	u8 txchain;
203 	u8 txstreams;
204 	u8 hw_rxchain;
205 	u8 rxchain;
206 	u8 rxstreams;
207 	u8 ant_rx_ovr;
208 	s8 txant;
209 	u16 phytxant;
210 	u8 ss_opmode;
211 	bool ss_algosel_auto;
212 	u16 ss_algo_channel;
213 	u8 rxchain_restore_delay;
214 	s8 ldpc;
215 	u8 txcore[MAX_STREAMS_SUPPORTED + 1];
216 	s8 spatial_policy;
217 };
218 
219 #define BRCMS_STF_SS_STBC_TX(wlc, scb) \
220 	(((wlc)->stf->txstreams > 1) && (((wlc)->band->band_stf_stbc_tx == ON) \
221 	 || (((scb)->flags & SCB_STBCCAP) && \
222 	     (wlc)->band->band_stf_stbc_tx == AUTO && \
223 	     isset(&((wlc)->stf->ss_algo_channel), PHY_TXC1_MODE_STBC))))
224 
225 #define BRCMS_STBC_CAP_PHY(wlc) (BRCMS_ISNPHY(wlc->band) && \
226 				 NREV_GE(wlc->band->phyrev, 3))
227 
228 #define BRCMS_SGI_CAP_PHY(wlc) ((BRCMS_ISNPHY(wlc->band) && \
229 				 NREV_GE(wlc->band->phyrev, 3)) || \
230 				BRCMS_ISLCNPHY(wlc->band))
231 
232 #define BRCMS_CHAN_PHYTYPE(x)     (((x) & RXS_CHAN_PHYTYPE_MASK) \
233 				   >> RXS_CHAN_PHYTYPE_SHIFT)
234 #define BRCMS_CHAN_CHANNEL(x)     (((x) & RXS_CHAN_ID_MASK) \
235 				   >> RXS_CHAN_ID_SHIFT)
236 
237 /*
238  * core state (mac)
239  */
240 struct brcms_core {
241 	uint coreidx;		/* # sb enumerated core */
242 
243 	/* fifo */
244 	uint *txavail[NFIFO];	/* # tx descriptors available */
245 	s16 txpktpend[NFIFO];	/* tx admission control */
246 
247 	struct macstat *macstat_snapshot;	/* mac hw prev read values */
248 };
249 
250 /*
251  * band state (phy+ana+radio)
252  */
253 struct brcms_band {
254 	int bandtype;		/* BRCM_BAND_2G, BRCM_BAND_5G */
255 	uint bandunit;		/* bandstate[] index */
256 
257 	u16 phytype;		/* phytype */
258 	u16 phyrev;
259 	u16 radioid;
260 	u16 radiorev;
261 	struct brcms_phy_pub *pi; /* pointer to phy specific information */
262 	bool abgphy_encore;
263 
264 	u8 gmode;		/* currently active gmode */
265 
266 	struct scb *hwrs_scb;	/* permanent scb for hw rateset */
267 
268 	/* band-specific copy of default_bss.rateset */
269 	struct brcms_c_rateset defrateset;
270 
271 	u8 band_stf_ss_mode;	/* Configured STF type, 0:siso; 1:cdd */
272 	s8 band_stf_stbc_tx;	/* STBC TX 0:off; 1:force on; -1:auto */
273 	/* rates supported by chip (phy-specific) */
274 	struct brcms_c_rateset hw_rateset;
275 	u8 basic_rate[BRCM_MAXRATE + 1]; /* basic rates indexed by rate */
276 	bool mimo_cap_40;	/* 40 MHz cap enabled on this band */
277 	s8 antgain;		/* antenna gain from srom */
278 
279 	u16 CWmin; /* minimum size of contention window, in unit of aSlotTime */
280 	u16 CWmax; /* maximum size of contention window, in unit of aSlotTime */
281 	struct ieee80211_supported_band band;
282 };
283 
284 /* module control blocks */
285 struct modulecb {
286 	/* module name : NULL indicates empty array member */
287 	char name[32];
288 	/* handle passed when handler 'doiovar' is called */
289 	struct brcms_info *hdl;
290 
291 	int (*down_fn)(void *handle); /* down handler. Note: the int returned
292 				       * by the down function is a count of the
293 				       * number of timers that could not be
294 				       * freed.
295 				       */
296 
297 };
298 
299 struct brcms_hw_band {
300 	int bandtype;		/* BRCM_BAND_2G, BRCM_BAND_5G */
301 	uint bandunit;		/* bandstate[] index */
302 	u16 mhfs[MHFMAX];	/* MHF array shadow */
303 	u8 bandhw_stf_ss_mode;	/* HW configured STF type, 0:siso; 1:cdd */
304 	u16 CWmin;
305 	u16 CWmax;
306 	u32 core_flags;
307 
308 	u16 phytype;		/* phytype */
309 	u16 phyrev;
310 	u16 radioid;
311 	u16 radiorev;
312 	struct brcms_phy_pub *pi; /* pointer to phy specific information */
313 	bool abgphy_encore;
314 };
315 
316 struct brcms_hardware {
317 	bool _piomode;		/* true if pio mode */
318 	struct brcms_c_info *wlc;
319 
320 	/* fifo */
321 	struct dma_pub *di[NFIFO];	/* dma handles, per fifo */
322 
323 	uint unit;		/* device instance number */
324 
325 	/* version info */
326 	u16 vendorid;	/* PCI vendor id */
327 	u16 deviceid;	/* PCI device id */
328 	uint corerev;		/* core revision */
329 	u8 sromrev;		/* version # of the srom */
330 	u16 boardrev;	/* version # of particular board */
331 	u32 boardflags;	/* Board specific flags from srom */
332 	u32 boardflags2;	/* More board flags if sromrev >= 4 */
333 	u32 machwcap;	/* MAC capabilities */
334 	u32 machwcap_backup;	/* backup of machwcap */
335 
336 	struct si_pub *sih;	/* SI handle (cookie for siutils calls) */
337 	struct bcma_device *d11core;	/* pointer to 802.11 core */
338 	struct phy_shim_info *physhim; /* phy shim layer handler */
339 	struct shared_phy *phy_sh;	/* pointer to shared phy state */
340 	struct brcms_hw_band *band;/* pointer to active per-band state */
341 	/* band state per phy/radio */
342 	struct brcms_hw_band *bandstate[MAXBANDS];
343 	u16 bmac_phytxant;	/* cache of high phytxant state */
344 	bool shortslot;		/* currently using 11g ShortSlot timing */
345 	u16 SRL;		/* 802.11 dot11ShortRetryLimit */
346 	u16 LRL;		/* 802.11 dot11LongRetryLimit */
347 	u16 SFBL;		/* Short Frame Rate Fallback Limit */
348 	u16 LFBL;		/* Long Frame Rate Fallback Limit */
349 
350 	bool up;		/* d11 hardware up and running */
351 	uint now;		/* # elapsed seconds */
352 	uint _nbands;		/* # bands supported */
353 	u16 chanspec;	/* bmac chanspec shadow */
354 
355 	uint *txavail[NFIFO];	/* # tx descriptors available */
356 	const u16 *xmtfifo_sz;	/* fifo size in 256B for each xmt fifo */
357 
358 	u32 pllreq;		/* pll requests to keep PLL on */
359 
360 	u8 suspended_fifos;	/* Which TX fifo to remain awake for */
361 	u32 maccontrol;	/* Cached value of maccontrol */
362 	uint mac_suspend_depth;	/* current depth of mac_suspend levels */
363 	u32 wake_override;	/* bit flags to force MAC to WAKE mode */
364 	u32 mute_override;	/* Prevent ucode from sending beacons */
365 	u8 etheraddr[ETH_ALEN];	/* currently configured ethernet address */
366 	bool noreset;		/* true= do not reset hw, used by WLC_OUT */
367 	bool forcefastclk;	/* true if h/w is forcing to use fast clk */
368 	bool clk;		/* core is out of reset and has clock */
369 	bool sbclk;		/* sb has clock */
370 	bool phyclk;		/* phy is out of reset and has clock */
371 
372 	bool ucode_loaded;	/* true after ucode downloaded */
373 
374 
375 	u8 hw_stf_ss_opmode;	/* STF single stream operation mode */
376 	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
377 				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
378 				 */
379 	u32 antsel_avail;	/*
380 				 * put struct antsel_info here if more info is
381 				 * needed
382 				 */
383 };
384 
385 /* TX Queue information
386  *
387  * Each flow of traffic out of the device has a TX Queue with independent
388  * flow control. Several interfaces may be associated with a single TX Queue
389  * if they belong to the same flow of traffic from the device. For multi-channel
390  * operation there are independent TX Queues for each channel.
391  */
392 struct brcms_txq_info {
393 	struct brcms_txq_info *next;
394 	struct pktq q;
395 	uint stopped;		/* tx flow control bits */
396 };
397 
398 /*
399  * Principal common driver data structure.
400  *
401  * pub: pointer to driver public state.
402  * wl: pointer to specific private state.
403  * hw: HW related state.
404  * clkreq_override: setting for clkreq for PCIE : Auto, 0, 1.
405  * fastpwrup_dly: time in us needed to bring up d11 fast clock.
406  * macintstatus: bit channel between isr and dpc.
407  * macintmask: sw runtime master macintmask value.
408  * defmacintmask: default "on" macintmask value.
409  * clk: core is out of reset and has clock.
410  * core: pointer to active io core.
411  * band: pointer to active per-band state.
412  * corestate: per-core state (one per hw core).
413  * bandstate: per-band state (one per phy/radio).
414  * qvalid: DirFrmQValid and BcMcFrmQValid.
415  * ampdu: ampdu module handler.
416  * asi: antsel module handler.
417  * cmi: channel manager module handler.
418  * vendorid: PCI vendor id.
419  * deviceid: PCI device id.
420  * ucode_rev: microcode revision.
421  * machwcap: MAC capabilities, BMAC shadow.
422  * perm_etheraddr: original sprom local ethernet address.
423  * bandlocked: disable auto multi-band switching.
424  * bandinit_pending: track band init in auto band.
425  * radio_monitor: radio timer is running.
426  * going_down: down path intermediate variable.
427  * wdtimer: timer for watchdog routine.
428  * radio_timer: timer for hw radio button monitor routine.
429  * monitor: monitor (MPDU sniffing) mode.
430  * bcnmisc_monitor: bcns promisc mode override for monitor.
431  * _rifs: enable per-packet rifs.
432  * bcn_li_bcn: beacon listen interval in # beacons.
433  * bcn_li_dtim: beacon listen interval in # dtims.
434  * WDarmed: watchdog timer is armed.
435  * WDlast: last time wlc_watchdog() was called.
436  * edcf_txop[IEEE80211_NUM_ACS]: current txop for each ac.
437  * wme_retries: per-AC retry limits.
438  * tx_prec_map: Precedence map based on HW FIFO space.
439  * fifo2prec_map[NFIFO]: pointer to fifo2_prec map based on WME.
440  * bsscfg: set of BSS configurations, idx 0 is default and always valid.
441  * cfg: the primary bsscfg (can be AP or STA).
442  * tx_queues: common TX Queue list.
443  * modulecb:
444  * mimoft: SIGN or 11N.
445  * cck_40txbw: 11N, cck tx b/w override when in 40MHZ mode.
446  * ofdm_40txbw: 11N, ofdm tx b/w override when in 40MHZ mode.
447  * mimo_40txbw: 11N, mimo tx b/w override when in 40MHZ mode.
448  * default_bss: configured BSS parameters.
449  * mc_fid_counter: BC/MC FIFO frame ID counter.
450  * country_default: saved country for leaving 802.11d auto-country mode.
451  * autocountry_default: initial country for 802.11d auto-country mode.
452  * prb_resp_timeout: do not send prb resp if request older
453  *		     than this, 0 = disable.
454  * home_chanspec: shared home chanspec.
455  * chanspec: target operational channel.
456  * usr_fragthresh: user configured fragmentation threshold.
457  * fragthresh[NFIFO]: per-fifo fragmentation thresholds.
458  * RTSThresh: 802.11 dot11RTSThreshold.
459  * SRL: 802.11 dot11ShortRetryLimit.
460  * LRL: 802.11 dot11LongRetryLimit.
461  * SFBL: Short Frame Rate Fallback Limit.
462  * LFBL: Long Frame Rate Fallback Limit.
463  * shortslot: currently using 11g ShortSlot timing.
464  * shortslot_override: 11g ShortSlot override.
465  * include_legacy_erp: include Legacy ERP info elt ID 47 as well as g ID 42.
466  * PLCPHdr_override: 802.11b Preamble Type override.
467  * stf:
468  * bcn_rspec: save bcn ratespec purpose.
469  * tempsense_lasttime;
470  * tx_duty_cycle_ofdm: maximum allowed duty cycle for OFDM.
471  * tx_duty_cycle_cck: maximum allowed duty cycle for CCK.
472  * pkt_queue: txq for transmit packets.
473  * wiphy:
474  * pri_scb: primary Station Control Block
475  */
476 struct brcms_c_info {
477 	struct brcms_pub *pub;
478 	struct brcms_info *wl;
479 	struct brcms_hardware *hw;
480 
481 	/* clock */
482 	u16 fastpwrup_dly;
483 
484 	/* interrupt */
485 	u32 macintstatus;
486 	u32 macintmask;
487 	u32 defmacintmask;
488 
489 	bool clk;
490 
491 	/* multiband */
492 	struct brcms_core *core;
493 	struct brcms_band *band;
494 	struct brcms_core *corestate;
495 	struct brcms_band *bandstate[MAXBANDS];
496 
497 	/* packet queue */
498 	uint qvalid;
499 
500 	struct ampdu_info *ampdu;
501 	struct antsel_info *asi;
502 	struct brcms_cm_info *cmi;
503 
504 	u16 vendorid;
505 	u16 deviceid;
506 	uint ucode_rev;
507 
508 	u8 perm_etheraddr[ETH_ALEN];
509 
510 	bool bandlocked;
511 	bool bandinit_pending;
512 
513 	bool radio_monitor;
514 	bool going_down;
515 
516 	struct brcms_timer *wdtimer;
517 	struct brcms_timer *radio_timer;
518 
519 	/* promiscuous */
520 	uint filter_flags;
521 
522 	/* driver feature */
523 	bool _rifs;
524 
525 	/* AP-STA synchronization, power save */
526 	u8 bcn_li_bcn;
527 	u8 bcn_li_dtim;
528 
529 	bool WDarmed;
530 	u32 WDlast;
531 
532 	/* WME */
533 	u16 edcf_txop[IEEE80211_NUM_ACS];
534 
535 	u16 wme_retries[IEEE80211_NUM_ACS];
536 	u16 tx_prec_map;
537 	u16 fifo2prec_map[NFIFO];
538 
539 	struct brcms_bss_cfg *bsscfg;
540 
541 	/* tx queue */
542 	struct brcms_txq_info *tx_queues;
543 
544 	struct modulecb *modulecb;
545 
546 	u8 mimoft;
547 	s8 cck_40txbw;
548 	s8 ofdm_40txbw;
549 	s8 mimo_40txbw;
550 
551 	struct brcms_bss_info *default_bss;
552 
553 	u16 mc_fid_counter;
554 
555 	char country_default[BRCM_CNTRY_BUF_SZ];
556 	char autocountry_default[BRCM_CNTRY_BUF_SZ];
557 	u16 prb_resp_timeout;
558 
559 	u16 home_chanspec;
560 
561 	/* PHY parameters */
562 	u16 chanspec;
563 	u16 usr_fragthresh;
564 	u16 fragthresh[NFIFO];
565 	u16 RTSThresh;
566 	u16 SRL;
567 	u16 LRL;
568 	u16 SFBL;
569 	u16 LFBL;
570 
571 	/* network config */
572 	bool shortslot;
573 	s8 shortslot_override;
574 	bool include_legacy_erp;
575 
576 	struct brcms_protection *protection;
577 	s8 PLCPHdr_override;
578 
579 	struct brcms_stf *stf;
580 
581 	u32 bcn_rspec;
582 
583 	uint tempsense_lasttime;
584 
585 	u16 tx_duty_cycle_ofdm;
586 	u16 tx_duty_cycle_cck;
587 
588 	struct brcms_txq_info *pkt_queue;
589 	struct wiphy *wiphy;
590 	struct scb pri_scb;
591 };
592 
593 /* antsel module specific state */
594 struct antsel_info {
595 	struct brcms_c_info *wlc;	/* pointer to main wlc structure */
596 	struct brcms_pub *pub;		/* pointer to public fn */
597 	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
598 				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
599 				 */
600 	u8 antsel_antswitch;	/* board level antenna switch type */
601 	bool antsel_avail;	/* Ant selection availability (SROM based) */
602 	struct brcms_antselcfg antcfg_11n; /* antenna configuration */
603 	struct brcms_antselcfg antcfg_cur; /* current antenna config (auto) */
604 };
605 
606 /*
607  * BSS configuration state
608  *
609  * wlc: wlc to which this bsscfg belongs to.
610  * up: is this configuration up operational
611  * enable: is this configuration enabled
612  * associated: is BSS in ASSOCIATED state
613  * BSS: infraustructure or adhoc
614  * SSID_len: the length of SSID
615  * SSID: SSID string
616  *
617  *
618  * BSSID: BSSID (associated)
619  * cur_etheraddr: h/w address
620  * flags: BSSCFG flags; see below
621  *
622  * current_bss: BSS parms in ASSOCIATED state
623  *
624  *
625  * ID: 'unique' ID of this bsscfg, assigned at bsscfg allocation
626  */
627 struct brcms_bss_cfg {
628 	struct brcms_c_info *wlc;
629 	bool up;
630 	bool enable;
631 	bool associated;
632 	bool BSS;
633 	u8 SSID_len;
634 	u8 SSID[IEEE80211_MAX_SSID_LEN];
635 	u8 BSSID[ETH_ALEN];
636 	u8 cur_etheraddr[ETH_ALEN];
637 	struct brcms_bss_info *current_bss;
638 };
639 
640 extern void brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo,
641 			   struct sk_buff *p,
642 			   bool commit, s8 txpktpend);
643 extern void brcms_c_txfifo_complete(struct brcms_c_info *wlc, uint fifo,
644 				    s8 txpktpend);
645 extern void brcms_c_txq_enq(struct brcms_c_info *wlc, struct scb *scb,
646 			    struct sk_buff *sdu, uint prec);
647 extern void brcms_c_print_txstatus(struct tx_status *txs);
648 extern int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
649 		   uint *blocks);
650 
651 #if defined(DEBUG)
652 extern void brcms_c_print_txdesc(struct d11txh *txh);
653 #else
brcms_c_print_txdesc(struct d11txh * txh)654 static inline void brcms_c_print_txdesc(struct d11txh *txh)
655 {
656 }
657 #endif
658 
659 extern int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config);
660 extern void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags);
661 extern void brcms_c_send_q(struct brcms_c_info *wlc);
662 extern int brcms_c_prep_pdu(struct brcms_c_info *wlc, struct sk_buff *pdu,
663 			    uint *fifo);
664 extern u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec,
665 				uint mac_len);
666 extern u32 brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc,
667 					     u32 rspec,
668 					     bool use_rspec, u16 mimo_ctlchbw);
669 extern u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only,
670 				      u32 rts_rate,
671 				      u32 frame_rate,
672 				      u8 rts_preamble_type,
673 				      u8 frame_preamble_type, uint frame_len,
674 				      bool ba);
675 extern void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
676 			       struct ieee80211_sta *sta,
677 			       void (*dma_callback_fn));
678 extern void brcms_c_update_beacon(struct brcms_c_info *wlc);
679 extern void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend);
680 extern int brcms_c_set_nmode(struct brcms_c_info *wlc);
681 extern void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc,
682 					  u32 bcn_rate);
683 extern void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw,
684 				     u8 antsel_type);
685 extern void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw,
686 				  u16 chanspec,
687 				  bool mute, struct txpwr_limits *txpwr);
688 extern void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset,
689 			      u16 v);
690 extern u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset);
691 extern void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask,
692 			u16 val, int bands);
693 extern void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags);
694 extern void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val);
695 extern void brcms_b_phy_reset(struct brcms_hardware *wlc_hw);
696 extern void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw);
697 extern void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw);
698 extern void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
699 					u32 override_bit);
700 extern void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
701 					  u32 override_bit);
702 extern void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw,
703 				       int offset, int len, void *buf);
704 extern u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
705 extern void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw,
706 				   uint offset, const void *buf, int len,
707 				   u32 sel);
708 extern void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset,
709 				     void *buf, int len, u32 sel);
710 extern void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode);
711 extern u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw);
712 extern void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk);
713 extern void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk);
714 extern void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on);
715 extern void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant);
716 extern void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw,
717 				    u8 stf_mode);
718 extern void brcms_c_init_scb(struct scb *scb);
719 
720 #endif				/* _BRCM_MAIN_H_ */
721