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, ®s->regfoo);
53 * field = GFIELD(regval, <NAME>);
54 * regval = SFIELD(regval, <NAME>, 1);
55 * W_REG(osh, ®s->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