drivers/net/wireless/brcm80211/brcmsmac/main.h

   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
 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 */
 574 struct 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
 586 enum 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  */
 610 struct 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
 619 extern int brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo,
 620                            struct sk_buff *p);
 621 extern int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
 622                    uint *blocks);
 623
 624 extern int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config);
 625 extern void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags);
 626 extern u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec,
 627                                 uint mac_len);
 628 extern u32 brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc,
 629                                              u32 rspec,
 630                                              bool use_rspec, u16 mimo_ctlchbw);
 631 extern u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only,
 632                                       u32 rts_rate,
 633                                       u32 frame_rate,
 634                                       u8 rts_preamble_type,
 635                                       u8 frame_preamble_type, uint frame_len,
 636                                       bool ba);
 637 extern void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
 638                                struct ieee80211_sta *sta,
 639                                void (*dma_callback_fn));
 640 extern void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend);
 641 extern int brcms_c_set_nmode(struct brcms_c_info *wlc);
 642 extern void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc,
 643                                           u32 bcn_rate);
 644 extern void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw,
 645                                      u8 antsel_type);
 646 extern void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw,
 647                                   u16 chanspec,
 648                                   bool mute, struct txpwr_limits *txpwr);
 649 extern void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset,
 650                               u16 v);
 651 extern u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset);
 652 extern void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask,
 653                         u16 val, int bands);
 654 extern void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags);
 655 extern void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val);
 656 extern void brcms_b_phy_reset(struct brcms_hardware *wlc_hw);
 657 extern void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw);
 658 extern void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw);
 659 extern void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
 660                                         u32 override_bit);
 661 extern void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
 662                                           u32 override_bit);
 663 extern void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw,
 664                                        int offset, int len, void *buf);
 665 extern u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
 666 extern void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw,
 667                                    uint offset, const void *buf, int len,
 668                                    u32 sel);
 669 extern void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset,
 670                                      void *buf, int len, u32 sel);
 671 extern void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode);
 672 extern u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw);
 673 extern void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk);
 674 extern void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk);
 675 extern void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on);
 676 extern void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant);
 677 extern void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw,
 678                                     u8 stf_mode);
 679 extern void brcms_c_init_scb(struct scb *scb);
 680
 681 #endif                          /* _BRCM_MAIN_H_ */