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 /* 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, bool commit);
 642 extern void brcms_c_txfifo_complete(struct brcms_c_info *wlc, uint fifo);
 643 extern void brcms_c_txq_enq(struct brcms_c_info *wlc, struct scb *scb,
 644                             struct sk_buff *sdu, uint prec);
 645 extern void brcms_c_print_txstatus(struct tx_status *txs);
 646 extern int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
 647                    uint *blocks);
 648
 649 #if defined(DEBUG)
 650 extern void brcms_c_print_txdesc(struct d11txh *txh);
 651 #else
 652 static inline void brcms_c_print_txdesc(struct d11txh *txh)
 653 {
 654 }
 655 #endif
 656
 657 extern int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config);
 658 extern void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags);
 659 extern void brcms_c_send_q(struct brcms_c_info *wlc);
 660 extern int brcms_c_prep_pdu(struct brcms_c_info *wlc, struct sk_buff *pdu,
 661                             uint *fifo);
 662 extern u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec,
 663                                 uint mac_len);
 664 extern u32 brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc,
 665                                              u32 rspec,
 666                                              bool use_rspec, u16 mimo_ctlchbw);
 667 extern u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only,
 668                                       u32 rts_rate,
 669                                       u32 frame_rate,
 670                                       u8 rts_preamble_type,
 671                                       u8 frame_preamble_type, uint frame_len,
 672                                       bool ba);
 673 extern void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
 674                                struct ieee80211_sta *sta,
 675                                void (*dma_callback_fn));
 676 extern void brcms_c_update_beacon(struct brcms_c_info *wlc);
 677 extern void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend);
 678 extern int brcms_c_set_nmode(struct brcms_c_info *wlc);
 679 extern void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc,
 680                                           u32 bcn_rate);
 681 extern void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw,
 682                                      u8 antsel_type);
 683 extern void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw,
 684                                   u16 chanspec,
 685                                   bool mute, struct txpwr_limits *txpwr);
 686 extern void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset,
 687                               u16 v);
 688 extern u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset);
 689 extern void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask,
 690                         u16 val, int bands);
 691 extern void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags);
 692 extern void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val);
 693 extern void brcms_b_phy_reset(struct brcms_hardware *wlc_hw);
 694 extern void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw);
 695 extern void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw);
 696 extern void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
 697                                         u32 override_bit);
 698 extern void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
 699                                           u32 override_bit);
 700 extern void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw,
 701                                        int offset, int len, void *buf);
 702 extern u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
 703 extern void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw,
 704                                    uint offset, const void *buf, int len,
 705                                    u32 sel);
 706 extern void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset,
 707                                      void *buf, int len, u32 sel);
 708 extern void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode);
 709 extern u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw);
 710 extern void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk);
 711 extern void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk);
 712 extern void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on);
 713 extern void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant);
 714 extern void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw,
 715                                     u8 stf_mode);
 716 extern void brcms_c_init_scb(struct scb *scb);
 717
 718 #endif                          /* _BRCM_MAIN_H_ */