linux/drivers/net/wireless/brcm80211/brcmsmac/main.h
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   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*/
 162struct 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 */
 197struct 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 */
 237struct 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 */
 249struct 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 */
 281struct 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
 295struct 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
 312struct 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 */
 455struct 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
 567        struct sk_buff *beacon;
 568        u16 beacon_tim_offset;
 569        u16 beacon_dtim_period;
 570        struct sk_buff *probe_resp;
 571};
 572
 573/* antsel module specific state */
 574struct antsel_info {
 575        struct brcms_c_info *wlc;       /* pointer to main wlc structure */
 576        struct brcms_pub *pub;          /* pointer to public fn */
 577        u8 antsel_type; /* Type of boardlevel mimo antenna switch-logic
 578                                 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
 579                                 */
 580        u8 antsel_antswitch;    /* board level antenna switch type */
 581        bool antsel_avail;      /* Ant selection availability (SROM based) */
 582        struct brcms_antselcfg antcfg_11n; /* antenna configuration */
 583        struct brcms_antselcfg antcfg_cur; /* current antenna config (auto) */
 584};
 585
 586enum brcms_bss_type {
 587        BRCMS_TYPE_STATION,
 588        BRCMS_TYPE_AP,
 589        BRCMS_TYPE_ADHOC,
 590};
 591
 592/*
 593 * BSS configuration state
 594 *
 595 * wlc: wlc to which this bsscfg belongs to.
 596 * type: interface type
 597 * SSID_len: the length of SSID
 598 * SSID: SSID string
 599 *
 600 *
 601 * BSSID: BSSID (associated)
 602 * cur_etheraddr: h/w address
 603 * flags: BSSCFG flags; see below
 604 *
 605 * current_bss: BSS parms in ASSOCIATED state
 606 *
 607 *
 608 * ID: 'unique' ID of this bsscfg, assigned at bsscfg allocation
 609 */
 610struct brcms_bss_cfg {
 611        struct brcms_c_info *wlc;
 612        enum brcms_bss_type type;
 613        u8 SSID_len;
 614        u8 SSID[IEEE80211_MAX_SSID_LEN];
 615        u8 BSSID[ETH_ALEN];
 616        struct brcms_bss_info *current_bss;
 617};
 618
 619int brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p);
 620int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
 621                           uint *blocks);
 622
 623int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config);
 624void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags);
 625u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec, uint mac_len);
 626u32 brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc, u32 rspec,
 627                               bool use_rspec, u16 mimo_ctlchbw);
 628u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only,
 629                               u32 rts_rate, u32 frame_rate,
 630                               u8 rts_preamble_type, u8 frame_preamble_type,
 631                               uint frame_len, bool ba);
 632void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
 633                            struct ieee80211_sta *sta, void (*dma_callback_fn));
 634void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend);
 635int brcms_c_set_nmode(struct brcms_c_info *wlc);
 636void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc, u32 bcn_rate);
 637void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, u8 antsel_type);
 638void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec,
 639                          bool mute, struct txpwr_limits *txpwr);
 640void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset, u16 v);
 641u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset);
 642void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask, u16 val,
 643                 int bands);
 644void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags);
 645void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val);
 646void brcms_b_phy_reset(struct brcms_hardware *wlc_hw);
 647void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw);
 648void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw);
 649void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
 650                                     u32 override_bit);
 651void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
 652                                       u32 override_bit);
 653void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset,
 654                                int len, void *buf);
 655u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
 656void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw, uint offset,
 657                           const void *buf, int len, u32 sel);
 658void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset,
 659                             void *buf, int len, u32 sel);
 660void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode);
 661u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw);
 662void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk);
 663void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk);
 664void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on);
 665void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant);
 666void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw, u8 stf_mode);
 667void brcms_c_init_scb(struct scb *scb);
 668
 669#endif                          /* _BRCM_MAIN_H_ */
 670