drivers/staging/brcm80211/brcmsmac/wlc_mac80211.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 _wlc_h_
  18 #define _wlc_h_
  19
  20 #define MA_WINDOW_SZ            8       /* moving average window size */
  21 #define WL_HWRXOFF              38      /* chip rx buffer offset */
  22 #define INVCHANNEL              255     /* invalid channel */
  23 #define MAXCOREREV              28      /* max # supported core revisions (0 .. MAXCOREREV - 1) */
  24 #define WLC_MAXMODULES          22      /* max #  wlc_module_register() calls */
  25
  26 #define WLC_BITSCNT(x)  bcm_bitcount((u8 *)&(x), sizeof(u8))
  27
  28 /* Maximum wait time for a MAC suspend */
  29 #define WLC_MAX_MAC_SUSPEND     83000   /* uS: 83mS is max packet time (64KB ampdu @ 6Mbps) */
  30
  31 /* Probe Response timeout - responses for probe requests older that this are tossed, zero to disable
  32  */
  33 #define WLC_PRB_RESP_TIMEOUT    0       /* Disable probe response timeout */
  34
  35 /* transmit buffer max headroom for protocol headers */
  36 #define TXOFF (D11_TXH_LEN + D11_PHY_HDR_LEN)
  37
  38 /* For managing scan result lists */
  39 typedef struct wlc_bss_list {
  40         uint count;
  41         bool beacon;            /* set for beacon, cleared for probe response */
  42         wlc_bss_info_t *ptrs[MAXBSS];
  43 } wlc_bss_list_t;
  44
  45 #define SW_TIMER_MAC_STAT_UPD           30      /* periodic MAC stats update */
  46
  47 /* Double check that unsupported cores are not enabled */
  48 #if CONF_MSK(D11CONF, 0x4f) || CONF_GE(D11CONF, MAXCOREREV)
  49 #error "Configuration for D11CONF includes unsupported versions."
  50 #endif                          /* Bad versions */
  51
  52 #define VALID_COREREV(corerev)  CONF_HAS(D11CONF, corerev)
  53
  54 /* values for shortslot_override */
  55 #define WLC_SHORTSLOT_AUTO      -1      /* Driver will manage Shortslot setting */
  56 #define WLC_SHORTSLOT_OFF       0       /* Turn off short slot */
  57 #define WLC_SHORTSLOT_ON        1       /* Turn on short slot */
  58
  59 /* value for short/long and mixmode/greenfield preamble */
  60
  61 #define WLC_LONG_PREAMBLE       (0)
  62 #define WLC_SHORT_PREAMBLE      (1 << 0)
  63 #define WLC_GF_PREAMBLE         (1 << 1)
  64 #define WLC_MM_PREAMBLE         (1 << 2)
  65 #define WLC_IS_MIMO_PREAMBLE(_pre) (((_pre) == WLC_GF_PREAMBLE) || ((_pre) == WLC_MM_PREAMBLE))
  66
  67 /* values for barker_preamble */
  68 #define WLC_BARKER_SHORT_ALLOWED        0       /* Short pre-amble allowed */
  69
  70 /* A fifo is full. Clear precedences related to that FIFO */
  71 #define WLC_TX_FIFO_CLEAR(wlc, fifo) ((wlc)->tx_prec_map &= ~(wlc)->fifo2prec_map[fifo])
  72
  73 /* Fifo is NOT full. Enable precedences for that FIFO */
  74 #define WLC_TX_FIFO_ENAB(wlc, fifo)  ((wlc)->tx_prec_map |= (wlc)->fifo2prec_map[fifo])
  75
  76 /* TxFrameID */
  77 /* seq and frag bits: SEQNUM_SHIFT, FRAGNUM_MASK (802.11.h) */
  78 /* rate epoch bits: TXFID_RATE_SHIFT, TXFID_RATE_MASK ((wlc_rate.c) */
  79 #define TXFID_QUEUE_MASK        0x0007  /* Bits 0-2 */
  80 #define TXFID_SEQ_MASK          0x7FE0  /* Bits 5-15 */
  81 #define TXFID_SEQ_SHIFT         5       /* Number of bit shifts */
  82 #define TXFID_RATE_PROBE_MASK   0x8000  /* Bit 15 for rate probe */
  83 #define TXFID_RATE_MASK         0x0018  /* Mask for bits 3 and 4 */
  84 #define TXFID_RATE_SHIFT        3       /* Shift 3 bits for rate mask */
  85
  86 /* promote boardrev */
  87 #define BOARDREV_PROMOTABLE     0xFF    /* from */
  88 #define BOARDREV_PROMOTED       1       /* to */
  89
  90 /* if wpa is in use then portopen is true when the group key is plumbed otherwise it is always true
  91  */
  92 #define WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED))
  93 #define WLC_SW_KEYS(wlc, bsscfg) ((((wlc)->wsec_swkeys) || \
  94         ((bsscfg)->wsec & WSEC_SWFLAG)))
  95
  96 #define WLC_PORTOPEN(cfg) \
  97         (((cfg)->WPA_auth != WPA_AUTH_DISABLED && WSEC_ENABLED((cfg)->wsec)) ? \
  98         (cfg)->wsec_portopen : true)
  99
 100 #define PS_ALLOWED(wlc) wlc_ps_allowed(wlc)
 101 #define STAY_AWAKE(wlc) wlc_stay_awake(wlc)
 102
 103 #define DATA_BLOCK_TX_SUPR      (1 << 4)
 104
 105 /* 802.1D Priority to TX FIFO number for wme */
 106 extern const u8 prio2fifo[];
 107
 108 /* Ucode MCTL_WAKE override bits */
 109 #define WLC_WAKE_OVERRIDE_CLKCTL        0x01
 110 #define WLC_WAKE_OVERRIDE_PHYREG        0x02
 111 #define WLC_WAKE_OVERRIDE_MACSUSPEND    0x04
 112 #define WLC_WAKE_OVERRIDE_TXFIFO        0x08
 113 #define WLC_WAKE_OVERRIDE_FORCEFAST     0x10
 114
 115 /* stuff pulled in from wlc.c */
 116
 117 /* Interrupt bit error summary.  Don't include I_RU: we refill DMA at other
 118  * times; and if we run out, constant I_RU interrupts may cause lockup.  We
 119  * will still get error counts from rx0ovfl.
 120  */
 121 #define I_ERRORS        (I_PC | I_PD | I_DE | I_RO | I_XU)
 122 /* default software intmasks */
 123 #define DEF_RXINTMASK   (I_RI)  /* enable rx int on rxfifo only */
 124 #define DEF_MACINTMASK  (MI_TXSTOP | MI_TBTT | MI_ATIMWINEND | MI_PMQ | \
 125                          MI_PHYTXERR | MI_DMAINT | MI_TFS | MI_BG_NOISE | \
 126                          MI_CCA | MI_TO | MI_GP0 | MI_RFDISABLE | MI_PWRUP)
 127
 128 #define RETRY_SHORT_DEF                 7       /* Default Short retry Limit */
 129 #define RETRY_SHORT_MAX                 255     /* Maximum Short retry Limit */
 130 #define RETRY_LONG_DEF                  4       /* Default Long retry count */
 131 #define RETRY_SHORT_FB                  3       /* Short retry count for fallback rate */
 132 #define RETRY_LONG_FB                   2       /* Long retry count for fallback rate */
 133
 134 #define MAXTXPKTS               6       /* max # pkts pending */
 135
 136 /* frameburst */
 137 #define MAXTXFRAMEBURST         8       /* vanilla xpress mode: max frames/burst */
 138 #define MAXFRAMEBURST_TXOP      10000   /* Frameburst TXOP in usec */
 139
 140 /* Per-AC retry limit register definitions; uses bcmdefs.h bitfield macros */
 141 #define EDCF_SHORT_S            0
 142 #define EDCF_SFB_S              4
 143 #define EDCF_LONG_S             8
 144 #define EDCF_LFB_S              12
 145 #define EDCF_SHORT_M            BITFIELD_MASK(4)
 146 #define EDCF_SFB_M              BITFIELD_MASK(4)
 147 #define EDCF_LONG_M             BITFIELD_MASK(4)
 148 #define EDCF_LFB_M              BITFIELD_MASK(4)
 149
 150 #define WLC_WME_RETRY_SHORT_GET(wlc, ac)    GFIELD(wlc->wme_retries[ac], EDCF_SHORT)
 151 #define WLC_WME_RETRY_SFB_GET(wlc, ac)      GFIELD(wlc->wme_retries[ac], EDCF_SFB)
 152 #define WLC_WME_RETRY_LONG_GET(wlc, ac)     GFIELD(wlc->wme_retries[ac], EDCF_LONG)
 153 #define WLC_WME_RETRY_LFB_GET(wlc, ac)      GFIELD(wlc->wme_retries[ac], EDCF_LFB)
 154
 155 #define WLC_WME_RETRY_SHORT_SET(wlc, ac, val) \
 156         (wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_SHORT, val))
 157 #define WLC_WME_RETRY_SFB_SET(wlc, ac, val) \
 158         (wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_SFB, val))
 159 #define WLC_WME_RETRY_LONG_SET(wlc, ac, val) \
 160         (wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_LONG, val))
 161 #define WLC_WME_RETRY_LFB_SET(wlc, ac, val) \
 162         (wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_LFB, val))
 163
 164 /* PLL requests */
 165 #define WLC_PLLREQ_SHARED       0x1     /* pll is shared on old chips */
 166 #define WLC_PLLREQ_RADIO_MON    0x2     /* hold pll for radio monitor register checking */
 167 #define WLC_PLLREQ_FLIP         0x4     /* hold/release pll for some short operation */
 168
 169 /* Do we support this rate? */
 170 #define VALID_RATE_DBG(wlc, rspec) wlc_valid_rate(wlc, rspec, WLC_BAND_AUTO, true)
 171
 172 /*
 173  * Macros to check if AP or STA is active.
 174  * AP Active means more than just configured: driver and BSS are "up";
 175  * that is, we are beaconing/responding as an AP (aps_associated).
 176  * STA Active similarly means the driver is up and a configured STA BSS
 177  * is up: either associated (stas_associated) or trying.
 178  *
 179  * Macro definitions vary as per AP/STA ifdefs, allowing references to
 180  * ifdef'd structure fields and constant values (0) for optimization.
 181  * Make sure to enclose blocks of code such that any routines they
 182  * reference can also be unused and optimized out by the linker.
 183  */
 184 /* NOTE: References structure fields defined in wlc.h */
 185 #define AP_ACTIVE(wlc)  (0)
 186
 187 /*
 188  * Detect Card removed.
 189  * Even checking an sbconfig register read will not false trigger when the core is in reset.
 190  * it breaks CF address mechanism. Accessing gphy phyversion will cause SB error if aphy
 191  * is in reset on 4306B0-DB. Need a simple accessible reg with fixed 0/1 pattern
 192  * (some platforms return all 0).
 193  * If clocks are present, call the sb routine which will figure out if the device is removed.
 194  */
 195 #define DEVICEREMOVED(wlc)      \
 196         ((wlc->hw->clk) ?   \
 197         ((R_REG(wlc->hw->osh, &wlc->hw->regs->maccontrol) & \
 198         (MCTL_PSM_JMP_0 | MCTL_IHR_EN)) != MCTL_IHR_EN) : \
 199         (si_deviceremoved(wlc->hw->sih)))
 200
 201 #define WLCWLUNIT(wlc)          ((wlc)->pub->unit)
 202
 203 typedef struct wlc_protection {
 204         bool _g;                /* use g spec protection, driver internal */
 205         s8 g_override;  /* override for use of g spec protection */
 206         u8 gmode_user;  /* user config gmode, operating band->gmode is different */
 207         s8 overlap;             /* Overlap BSS/IBSS protection for both 11g and 11n */
 208         s8 nmode_user;  /* user config nmode, operating pub->nmode is different */
 209         s8 n_cfg;               /* use OFDM protection on MIMO frames */
 210         s8 n_cfg_override;      /* override for use of N protection */
 211         bool nongf;             /* non-GF present protection */
 212         s8 nongf_override;      /* override for use of GF protection */
 213         s8 n_pam_override;      /* override for preamble: MM or GF */
 214         bool n_obss;            /* indicated OBSS Non-HT STA present */
 215
 216         uint longpre_detect_timeout;    /* #sec until long preamble bcns gone */
 217         uint barker_detect_timeout;     /* #sec until bcns signaling Barker long preamble */
 218         /* only is gone */
 219         uint ofdm_ibss_timeout; /* #sec until ofdm IBSS beacons gone */
 220         uint ofdm_ovlp_timeout; /* #sec until ofdm overlapping BSS bcns gone */
 221         uint nonerp_ibss_timeout;       /* #sec until nonerp IBSS beacons gone */
 222         uint nonerp_ovlp_timeout;       /* #sec until nonerp overlapping BSS bcns gone */
 223         uint g_ibss_timeout;    /* #sec until bcns signaling Use_Protection gone */
 224         uint n_ibss_timeout;    /* #sec until bcns signaling Use_OFDM_Protection gone */
 225         uint ht20in40_ovlp_timeout;     /* #sec until 20MHz overlapping OPMODE gone */
 226         uint ht20in40_ibss_timeout;     /* #sec until 20MHz-only HT station bcns gone */
 227         uint non_gf_ibss_timeout;       /* #sec until non-GF bcns gone */
 228 } wlc_protection_t;
 229
 230 /* anything affects the single/dual streams/antenna operation */
 231 typedef struct wlc_stf {
 232         u8 hw_txchain;  /* HW txchain bitmap cfg */
 233         u8 txchain;             /* txchain bitmap being used */
 234         u8 txstreams;   /* number of txchains being used */
 235
 236         u8 hw_rxchain;  /* HW rxchain bitmap cfg */
 237         u8 rxchain;             /* rxchain bitmap being used */
 238         u8 rxstreams;   /* number of rxchains being used */
 239
 240         u8 ant_rx_ovr;  /* rx antenna override */
 241         s8 txant;               /* userTx antenna setting */
 242         u16 phytxant;   /* phyTx antenna setting in txheader */
 243
 244         u8 ss_opmode;   /* singlestream Operational mode, 0:siso; 1:cdd */
 245         bool ss_algosel_auto;   /* if true, use wlc->stf->ss_algo_channel; */
 246         /* else use wlc->band->stf->ss_mode_band; */
 247         u16 ss_algo_channel;    /* ss based on per-channel algo: 0: SISO, 1: CDD 2: STBC */
 248         u8 no_cddstbc;  /* stf override, 1: no CDD (or STBC) allowed */
 249
 250         u8 rxchain_restore_delay;       /* delay time to restore default rxchain */
 251
 252         s8 ldpc;                /* AUTO/ON/OFF ldpc cap supported */
 253         u8 txcore[MAX_STREAMS_SUPPORTED + 1];   /* bitmap of selected core for each Nsts */
 254         s8 spatial_policy;
 255 } wlc_stf_t;
 256
 257 #define WLC_STF_SS_STBC_TX(wlc, scb) \
 258         (((wlc)->stf->txstreams > 1) && (((wlc)->band->band_stf_stbc_tx == ON) || \
 259          (SCB_STBC_CAP((scb)) &&                                        \
 260           (wlc)->band->band_stf_stbc_tx == AUTO &&                      \
 261           isset(&((wlc)->stf->ss_algo_channel), PHY_TXC1_MODE_STBC))))
 262
 263 #define WLC_STBC_CAP_PHY(wlc) (WLCISNPHY(wlc->band) && NREV_GE(wlc->band->phyrev, 3))
 264
 265 #define WLC_SGI_CAP_PHY(wlc) ((WLCISNPHY(wlc->band) && NREV_GE(wlc->band->phyrev, 3)) || \
 266         WLCISLCNPHY(wlc->band))
 267
 268 #define WLC_CHAN_PHYTYPE(x)     (((x) & RXS_CHAN_PHYTYPE_MASK) >> RXS_CHAN_PHYTYPE_SHIFT)
 269 #define WLC_CHAN_CHANNEL(x)     (((x) & RXS_CHAN_ID_MASK) >> RXS_CHAN_ID_SHIFT)
 270 #define WLC_RX_CHANNEL(rxh)     (WLC_CHAN_CHANNEL((rxh)->RxChan))
 271
 272 /* wlc_bss_info flag bit values */
 273 #define WLC_BSS_HT              0x0020  /* BSS is HT (MIMO) capable */
 274
 275 /* Flags used in wlc_txq_info.stopped */
 276 #define TXQ_STOP_FOR_PRIOFC_MASK        0x000000FF      /* per prio flow control bits */
 277 #define TXQ_STOP_FOR_PKT_DRAIN          0x00000100      /* stop txq enqueue for packet drain */
 278 #define TXQ_STOP_FOR_AMPDU_FLOW_CNTRL   0x00000200      /* stop txq enqueue for ampdu flow control */
 279
 280 #define WLC_HT_WEP_RESTRICT     0x01    /* restrict HT with WEP */
 281 #define WLC_HT_TKIP_RESTRICT    0x02    /* restrict HT with TKIP */
 282
 283 /*
 284  * core state (mac)
 285  */
 286 struct wlccore {
 287         uint coreidx;           /* # sb enumerated core */
 288
 289         /* fifo */
 290         uint *txavail[NFIFO];   /* # tx descriptors available */
 291         s16 txpktpend[NFIFO];   /* tx admission control */
 292
 293         macstat_t *macstat_snapshot;    /* mac hw prev read values */
 294 };
 295
 296 /*
 297  * band state (phy+ana+radio)
 298  */
 299 struct wlcband {
 300         int bandtype;           /* WLC_BAND_2G, WLC_BAND_5G */
 301         uint bandunit;          /* bandstate[] index */
 302
 303         u16 phytype;            /* phytype */
 304         u16 phyrev;
 305         u16 radioid;
 306         u16 radiorev;
 307         wlc_phy_t *pi;          /* pointer to phy specific information */
 308         bool abgphy_encore;
 309
 310         u8 gmode;               /* currently active gmode (see wlioctl.h) */
 311
 312         struct scb *hwrs_scb;   /* permanent scb for hw rateset */
 313
 314         wlc_rateset_t defrateset;       /* band-specific copy of default_bss.rateset */
 315
 316         ratespec_t rspec_override;      /* 802.11 rate override */
 317         ratespec_t mrspec_override;     /* multicast rate override */
 318         u8 band_stf_ss_mode;    /* Configured STF type, 0:siso; 1:cdd */
 319         s8 band_stf_stbc_tx;    /* STBC TX 0:off; 1:force on; -1:auto */
 320         wlc_rateset_t hw_rateset;       /* rates supported by chip (phy-specific) */
 321         u8 basic_rate[WLC_MAXRATE + 1]; /* basic rates indexed by rate */
 322         bool mimo_cap_40;       /* 40 MHz cap enabled on this band */
 323         s8 antgain;             /* antenna gain from srom */
 324
 325         u16 CWmin;              /* The minimum size of contention window, in unit of aSlotTime */
 326         u16 CWmax;              /* The maximum size of contention window, in unit of aSlotTime */
 327         u16 bcntsfoff;  /* beacon tsf offset */
 328 };
 329
 330 /* tx completion callback takes 3 args */
 331 typedef void (*pkcb_fn_t) (struct wlc_info *wlc, uint txstatus, void *arg);
 332
 333 typedef struct pkt_cb {
 334         pkcb_fn_t fn;           /* function to call when tx frame completes */
 335         void *arg;              /* void arg for fn */
 336         u8 nextidx;             /* index of next call back if threading */
 337         bool entered;           /* recursion check */
 338 } pkt_cb_t;
 339
 340         /* module control blocks */
 341 typedef struct modulecb {
 342         char name[32];          /* module name : NULL indicates empty array member */
 343         const bcm_iovar_t *iovars;      /* iovar table */
 344         void *hdl;              /* handle passed when handler 'doiovar' is called */
 345         watchdog_fn_t watchdog_fn;      /* watchdog handler */
 346         iovar_fn_t iovar_fn;    /* iovar handler */
 347         down_fn_t down_fn;      /* down handler. Note: the int returned
 348                                  * by the down function is a count of the
 349                                  * number of timers that could not be
 350                                  * freed.
 351                                  */
 352 } modulecb_t;
 353
 354         /* dump control blocks */
 355 typedef struct dumpcb_s {
 356         const char *name;       /* dump name */
 357         dump_fn_t dump_fn;      /* 'wl dump' handler */
 358         void *dump_fn_arg;
 359         struct dumpcb_s *next;
 360 } dumpcb_t;
 361
 362 /* virtual interface */
 363 struct wlc_if {
 364         struct wlc_if *next;
 365         u8 type;                /* WLC_IFTYPE_BSS or WLC_IFTYPE_WDS */
 366         u8 index;               /* assigned in wl_add_if(), index of the wlif if any,
 367                                  * not necessarily corresponding to bsscfg._idx or
 368                                  * AID2PVBMAP(scb).
 369                                  */
 370         u8 flags;               /* flags for the interface */
 371         struct wl_if *wlif;             /* pointer to wlif */
 372         struct wlc_txq_info *qi;        /* pointer to associated tx queue */
 373         union {
 374                 struct scb *scb;        /* pointer to scb if WLC_IFTYPE_WDS */
 375                 struct wlc_bsscfg *bsscfg;      /* pointer to bsscfg if WLC_IFTYPE_BSS */
 376         } u;
 377 };
 378
 379 /* flags for the interface */
 380 #define WLC_IF_LINKED           0x02    /* this interface is linked to a wl_if */
 381
 382 typedef struct wlc_hwband {
 383         int bandtype;           /* WLC_BAND_2G, WLC_BAND_5G */
 384         uint bandunit;          /* bandstate[] index */
 385         u16 mhfs[MHFMAX];       /* MHF array shadow */
 386         u8 bandhw_stf_ss_mode;  /* HW configured STF type, 0:siso; 1:cdd */
 387         u16 CWmin;
 388         u16 CWmax;
 389         u32 core_flags;
 390
 391         u16 phytype;            /* phytype */
 392         u16 phyrev;
 393         u16 radioid;
 394         u16 radiorev;
 395         wlc_phy_t *pi;          /* pointer to phy specific information */
 396         bool abgphy_encore;
 397 } wlc_hwband_t;
 398
 399 struct wlc_hw_info {
 400         struct osl_info *osh;           /* pointer to os handle */
 401         bool _piomode;          /* true if pio mode */
 402         struct wlc_info *wlc;
 403
 404         /* fifo */
 405         struct hnddma_pub *di[NFIFO];   /* hnddma handles, per fifo */
 406
 407         uint unit;              /* device instance number */
 408
 409         /* version info */
 410         u16 vendorid;   /* PCI vendor id */
 411         u16 deviceid;   /* PCI device id */
 412         uint corerev;           /* core revision */
 413         u8 sromrev;             /* version # of the srom */
 414         u16 boardrev;   /* version # of particular board */
 415         u32 boardflags; /* Board specific flags from srom */
 416         u32 boardflags2;        /* More board flags if sromrev >= 4 */
 417         u32 machwcap;   /* MAC capabilities */
 418         u32 machwcap_backup;    /* backup of machwcap */
 419         u16 ucode_dbgsel;       /* dbgsel for ucode debug(config gpio) */
 420
 421         si_t *sih;              /* SB handle (cookie for siutils calls) */
 422         char *vars;             /* "environment" name=value */
 423         uint vars_size;         /* size of vars, free vars on detach */
 424         d11regs_t *regs;        /* pointer to device registers */
 425         void *physhim;          /* phy shim layer handler */
 426         void *phy_sh;           /* pointer to shared phy state */
 427         wlc_hwband_t *band;     /* pointer to active per-band state */
 428         wlc_hwband_t *bandstate[MAXBANDS];      /* per-band state (one per phy/radio) */
 429         u16 bmac_phytxant;      /* cache of high phytxant state */
 430         bool shortslot;         /* currently using 11g ShortSlot timing */
 431         u16 SRL;                /* 802.11 dot11ShortRetryLimit */
 432         u16 LRL;                /* 802.11 dot11LongRetryLimit */
 433         u16 SFBL;               /* Short Frame Rate Fallback Limit */
 434         u16 LFBL;               /* Long Frame Rate Fallback Limit */
 435
 436         bool up;                /* d11 hardware up and running */
 437         uint now;               /* # elapsed seconds */
 438         uint _nbands;           /* # bands supported */
 439         chanspec_t chanspec;    /* bmac chanspec shadow */
 440
 441         uint *txavail[NFIFO];   /* # tx descriptors available */
 442         u16 *xmtfifo_sz;        /* fifo size in 256B for each xmt fifo */
 443
 444         mbool pllreq;           /* pll requests to keep PLL on */
 445
 446         u8 suspended_fifos;     /* Which TX fifo to remain awake for */
 447         u32 maccontrol; /* Cached value of maccontrol */
 448         uint mac_suspend_depth; /* current depth of mac_suspend levels */
 449         u32 wake_override;      /* Various conditions to force MAC to WAKE mode */
 450         u32 mute_override;      /* Prevent ucode from sending beacons */
 451         u8 etheraddr[ETH_ALEN]; /* currently configured ethernet address */
 452         u32 led_gpio_mask;      /* LED GPIO Mask */
 453         bool noreset;           /* true= do not reset hw, used by WLC_OUT */
 454         bool forcefastclk;      /* true if the h/w is forcing the use of fast clk */
 455         bool clk;               /* core is out of reset and has clock */
 456         bool sbclk;             /* sb has clock */
 457         struct bmac_pmq *bmac_pmq; /*  bmac PM states derived from ucode PMQ */
 458         bool phyclk;            /* phy is out of reset and has clock */
 459         bool dma_lpbk;          /* core is in DMA loopback */
 460
 461         bool ucode_loaded;      /* true after ucode downloaded */
 462
 463
 464         u8 hw_stf_ss_opmode;    /* STF single stream operation mode */
 465         u8 antsel_type; /* Type of boardlevel mimo antenna switch-logic
 466                                  * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
 467                                  */
 468         u32 antsel_avail;       /*
 469                                  * put struct antsel_info here if more info is
 470                                  * needed
 471                                  */
 472 };
 473
 474 /* TX Queue information
 475  *
 476  * Each flow of traffic out of the device has a TX Queue with independent
 477  * flow control. Several interfaces may be associated with a single TX Queue
 478  * if they belong to the same flow of traffic from the device. For multi-channel
 479  * operation there are independent TX Queues for each channel.
 480  */
 481 typedef struct wlc_txq_info {
 482         struct wlc_txq_info *next;
 483         struct pktq q;
 484         uint stopped;           /* tx flow control bits */
 485 } wlc_txq_info_t;
 486
 487 /*
 488  * Principal common (os-independent) software data structure.
 489  */
 490 struct wlc_info {
 491         struct wlc_pub *pub;            /* pointer to wlc public state */
 492         struct osl_info *osh;           /* pointer to os handle */
 493         struct wl_info *wl;     /* pointer to os-specific private state */
 494         d11regs_t *regs;        /* pointer to device registers */
 495
 496         struct wlc_hw_info *hw; /* HW related state used primarily by BMAC */
 497
 498         /* clock */
 499         int clkreq_override;    /* setting for clkreq for PCIE : Auto, 0, 1 */
 500         u16 fastpwrup_dly;      /* time in us needed to bring up d11 fast clock */
 501
 502         /* interrupt */
 503         u32 macintstatus;       /* bit channel between isr and dpc */
 504         u32 macintmask; /* sw runtime master macintmask value */
 505         u32 defmacintmask;      /* default "on" macintmask value */
 506
 507         /* up and down */
 508         bool device_present;    /* (removable) device is present */
 509
 510         bool clk;               /* core is out of reset and has clock */
 511
 512         /* multiband */
 513         struct wlccore *core;   /* pointer to active io core */
 514         struct wlcband *band;   /* pointer to active per-band state */
 515         struct wlccore *corestate;      /* per-core state (one per hw core) */
 516         /* per-band state (one per phy/radio): */
 517         struct wlcband *bandstate[MAXBANDS];
 518
 519         bool war16165;          /* PCI slow clock 16165 war flag */
 520
 521         bool tx_suspended;      /* data fifos need to remain suspended */
 522
 523         uint txpend16165war;
 524
 525         /* packet queue */
 526         uint qvalid;            /* DirFrmQValid and BcMcFrmQValid */
 527
 528         /* Regulatory power limits */
 529         s8 txpwr_local_max;     /* regulatory local txpwr max */
 530         u8 txpwr_local_constraint;      /* local power contraint in dB */
 531
 532
 533         struct ampdu_info *ampdu;       /* ampdu module handler */
 534         struct antsel_info *asi;        /* antsel module handler */
 535         wlc_cm_info_t *cmi;     /* channel manager module handler */
 536
 537         void *btparam;          /* bus type specific cookie */
 538
 539         uint vars_size;         /* size of vars, free vars on detach */
 540
 541         u16 vendorid;   /* PCI vendor id */
 542         u16 deviceid;   /* PCI device id */
 543         uint ucode_rev;         /* microcode revision */
 544
 545         u32 machwcap;   /* MAC capabilities, BMAC shadow */
 546
 547         u8 perm_etheraddr[ETH_ALEN];    /* original sprom local ethernet address */
 548
 549         bool bandlocked;        /* disable auto multi-band switching */
 550         bool bandinit_pending;  /* track band init in auto band */
 551
 552         bool radio_monitor;     /* radio timer is running */
 553         bool down_override;     /* true=down */
 554         bool going_down;        /* down path intermediate variable */
 555
 556         bool mpc;               /* enable minimum power consumption */
 557         u8 mpc_dlycnt;  /* # of watchdog cnt before turn disable radio */
 558         u8 mpc_offcnt;  /* # of watchdog cnt that radio is disabled */
 559         u8 mpc_delay_off;       /* delay radio disable by # of watchdog cnt */
 560         u8 prev_non_delay_mpc;  /* prev state wlc_is_non_delay_mpc */
 561
 562         /* timer */
 563         struct wl_timer *wdtimer;       /* timer for watchdog routine */
 564         uint fast_timer;        /* Periodic timeout for 'fast' timer */
 565         uint slow_timer;        /* Periodic timeout for 'slow' timer */
 566         uint glacial_timer;     /* Periodic timeout for 'glacial' timer */
 567         uint phycal_mlo;        /* last time measurelow calibration was done */
 568         uint phycal_txpower;    /* last time txpower calibration was done */
 569
 570         struct wl_timer *radio_timer;   /* timer for hw radio button monitor routine */
 571         struct wl_timer *pspoll_timer;  /* periodic pspoll timer */
 572
 573         /* promiscuous */
 574         bool monitor;           /* monitor (MPDU sniffing) mode */
 575         bool bcnmisc_ibss;      /* bcns promisc mode override for IBSS */
 576         bool bcnmisc_scan;      /* bcns promisc mode override for scan */
 577         bool bcnmisc_monitor;   /* bcns promisc mode override for monitor */
 578
 579         u8 bcn_wait_prd;        /* max waiting period (for beacon) in 1024TU */
 580
 581         /* driver feature */
 582         bool _rifs;             /* enable per-packet rifs */
 583         s32 rifs_advert;        /* RIFS mode advertisement */
 584         s8 sgi_tx;              /* sgi tx */
 585         bool wet;               /* true if wireless ethernet bridging mode */
 586
 587         /* AP-STA synchronization, power save */
 588         bool check_for_unaligned_tbtt;  /* check unaligned tbtt flag */
 589         bool PM_override;       /* no power-save flag, override PM(user input) */
 590         bool PMenabled;         /* current power-management state (CAM or PS) */
 591         bool PMpending;         /* waiting for tx status with PM indicated set */
 592         bool PMblocked;         /* block any PSPolling in PS mode, used to buffer
 593                                  * AP traffic, also used to indicate in progress
 594                                  * of scan, rm, etc. off home channel activity.
 595                                  */
 596         bool PSpoll;            /* whether there is an outstanding PS-Poll frame */
 597         u8 PM;          /* power-management mode (CAM, PS or FASTPS) */
 598         bool PMawakebcn;        /* bcn recvd during current waking state */
 599
 600         bool WME_PM_blocked;    /* Can STA go to PM when in WME Auto mode */
 601         bool wake;              /* host-specified PS-mode sleep state */
 602         u8 pspoll_prd;  /* pspoll interval in milliseconds */
 603         u8 bcn_li_bcn;  /* beacon listen interval in # beacons */
 604         u8 bcn_li_dtim; /* beacon listen interval in # dtims */
 605
 606         bool WDarmed;           /* watchdog timer is armed */
 607         u32 WDlast;             /* last time wlc_watchdog() was called */
 608
 609         /* WME */
 610         ac_bitmap_t wme_dp;     /* Discard (oldest first) policy per AC */
 611         bool wme_apsd;          /* enable Advanced Power Save Delivery */
 612         ac_bitmap_t wme_admctl; /* bit i set if AC i under admission control */
 613         u16 edcf_txop[AC_COUNT];        /* current txop for each ac */
 614         wme_param_ie_t wme_param_ie;    /* WME parameter info element, which on STA
 615                                          * contains parameters in use locally, and on
 616                                          * AP contains parameters advertised to STA
 617                                          * in beacons and assoc responses.
 618                                          */
 619         bool wme_prec_queuing;  /* enable/disable non-wme STA prec queuing */
 620         u16 wme_retries[AC_COUNT];      /* per-AC retry limits */
 621
 622         int vlan_mode;          /* OK to use 802.1Q Tags (ON, OFF, AUTO) */
 623         u16 tx_prec_map;        /* Precedence map based on HW FIFO space */
 624         u16 fifo2prec_map[NFIFO];       /* pointer to fifo2_prec map based on WME */
 625
 626         /* BSS Configurations */
 627         wlc_bsscfg_t *bsscfg[WLC_MAXBSSCFG];    /* set of BSS configurations, idx 0 is default and
 628                                                  * always valid
 629                                                  */
 630         wlc_bsscfg_t *cfg;      /* the primary bsscfg (can be AP or STA) */
 631         u8 stas_associated;     /* count of ASSOCIATED STA bsscfgs */
 632         u8 aps_associated;      /* count of UP AP bsscfgs */
 633         u8 block_datafifo;      /* prohibit posting frames to data fifos */
 634         bool bcmcfifo_drain;    /* TX_BCMC_FIFO is set to drain */
 635
 636         /* tx queue */
 637         wlc_txq_info_t *tx_queues;      /* common TX Queue list */
 638
 639         /* security */
 640         wsec_key_t *wsec_keys[WSEC_MAX_KEYS];   /* dynamic key storage */
 641         wsec_key_t *wsec_def_keys[WLC_DEFAULT_KEYS];    /* default key storage */
 642         bool wsec_swkeys;       /* indicates that all keys should be
 643                                  * treated as sw keys (used for debugging)
 644                                  */
 645         modulecb_t *modulecb;
 646         dumpcb_t *dumpcb_head;
 647
 648         u8 mimoft;              /* SIGN or 11N */
 649         u8 mimo_band_bwcap;     /* bw cap per band type */
 650         s8 txburst_limit_override;      /* tx burst limit override */
 651         u16 txburst_limit;      /* tx burst limit value */
 652         s8 cck_40txbw;  /* 11N, cck tx b/w override when in 40MHZ mode */
 653         s8 ofdm_40txbw; /* 11N, ofdm tx b/w override when in 40MHZ mode */
 654         s8 mimo_40txbw; /* 11N, mimo tx b/w override when in 40MHZ mode */
 655         /* HT CAP IE being advertised by this node: */
 656         struct ieee80211_ht_cap ht_cap;
 657
 658         uint seckeys;           /* 54 key table shm address */
 659         uint tkmickeys;         /* 12 TKIP MIC key table shm address */
 660
 661         wlc_bss_info_t *default_bss;    /* configured BSS parameters */
 662
 663         u16 AID;                /* association ID */
 664         u16 counter;            /* per-sdu monotonically increasing counter */
 665         u16 mc_fid_counter;     /* BC/MC FIFO frame ID counter */
 666
 667         bool ibss_allowed;      /* false, all IBSS will be ignored during a scan
 668                                  * and the driver will not allow the creation of
 669                                  * an IBSS network
 670                                  */
 671         bool ibss_coalesce_allowed;
 672
 673         char country_default[WLC_CNTRY_BUF_SZ]; /* saved country for leaving 802.11d
 674                                                  * auto-country mode
 675                                                  */
 676         char autocountry_default[WLC_CNTRY_BUF_SZ];     /* initial country for 802.11d
 677                                                          * auto-country mode
 678                                                          */
 679 #ifdef BCMDBG
 680         bcm_tlv_t *country_ie_override; /* debug override of announced Country IE */
 681 #endif
 682
 683         u16 prb_resp_timeout;   /* do not send prb resp if request older than this,
 684                                          * 0 = disable
 685                                          */
 686
 687         wlc_rateset_t sup_rates_override;       /* use only these rates in 11g supported rates if
 688                                                  * specifed
 689                                                  */
 690
 691         chanspec_t home_chanspec;       /* shared home chanspec */
 692
 693         /* PHY parameters */
 694         chanspec_t chanspec;    /* target operational channel */
 695         u16 usr_fragthresh;     /* user configured fragmentation threshold */
 696         u16 fragthresh[NFIFO];  /* per-fifo fragmentation thresholds */
 697         u16 RTSThresh;  /* 802.11 dot11RTSThreshold */
 698         u16 SRL;                /* 802.11 dot11ShortRetryLimit */
 699         u16 LRL;                /* 802.11 dot11LongRetryLimit */
 700         u16 SFBL;               /* Short Frame Rate Fallback Limit */
 701         u16 LFBL;               /* Long Frame Rate Fallback Limit */
 702
 703         /* network config */
 704         bool shortpreamble;     /* currently operating with CCK ShortPreambles */
 705         bool shortslot;         /* currently using 11g ShortSlot timing */
 706         s8 barker_preamble;     /* current Barker Preamble Mode */
 707         s8 shortslot_override;  /* 11g ShortSlot override */
 708         bool include_legacy_erp;        /* include Legacy ERP info elt ID 47 as well as g ID 42 */
 709         bool barker_overlap_control;    /* true: be aware of overlapping BSSs for barker */
 710         bool ignore_bcns;       /* override: ignore non shortslot bcns in a 11g network */
 711         bool legacy_probe;      /* restricts probe requests to CCK rates */
 712
 713         wlc_protection_t *protection;
 714         s8 PLCPHdr_override;    /* 802.11b Preamble Type override */
 715
 716         wlc_stf_t *stf;
 717
 718         pkt_cb_t *pkt_callback; /* tx completion callback handlers */
 719
 720         u32 txretried;  /* tx retried number in one msdu */
 721
 722         ratespec_t bcn_rspec;   /* save bcn ratespec purpose */
 723
 724         bool apsd_sta_usp;      /* Unscheduled Service Period in progress on STA */
 725         struct wl_timer *apsd_trigger_timer;    /* timer for wme apsd trigger frames */
 726         u32 apsd_trigger_timeout;       /* timeout value for apsd_trigger_timer (in ms)
 727                                          * 0 == disable
 728                                          */
 729         ac_bitmap_t apsd_trigger_ac;    /* Permissible Access Category in which APSD Null
 730                                          * Trigger frames can be send
 731                                          */
 732         u8 htphy_membership;    /* HT PHY membership */
 733
 734         bool _regulatory_domain;        /* 802.11d enabled? */
 735
 736         u8 mimops_PM;
 737
 738         u8 txpwr_percent;       /* power output percentage */
 739
 740         u8 ht_wsec_restriction; /* the restriction of HT with TKIP or WEP */
 741
 742         uint tempsense_lasttime;
 743
 744         u16 tx_duty_cycle_ofdm; /* maximum allowed duty cycle for OFDM */
 745         u16 tx_duty_cycle_cck;  /* maximum allowed duty cycle for CCK */
 746
 747         u16 next_bsscfg_ID;
 748
 749         struct wlc_if *wlcif_list;      /* linked list of wlc_if structs */
 750         wlc_txq_info_t *active_queue;   /* txq for the currently active transmit context */
 751         u32 mpc_dur;            /* total time (ms) in mpc mode except for the
 752                                  * portion since radio is turned off last time
 753                                  */
 754         u32 mpc_laston_ts;      /* timestamp (ms) when radio is turned off last
 755                                  * time
 756                                  */
 757         bool pr80838_war;
 758         uint hwrxoff;
 759 };
 760
 761 /* antsel module specific state */
 762 struct antsel_info {
 763         struct wlc_info *wlc;   /* pointer to main wlc structure */
 764         struct wlc_pub *pub;            /* pointer to public fn */
 765         u8 antsel_type; /* Type of boardlevel mimo antenna switch-logic
 766                                  * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
 767                                  */
 768         u8 antsel_antswitch;    /* board level antenna switch type */
 769         bool antsel_avail;      /* Ant selection availability (SROM based) */
 770         wlc_antselcfg_t antcfg_11n;     /* antenna configuration */
 771         wlc_antselcfg_t antcfg_cur;     /* current antenna config (auto) */
 772 };
 773
 774 #define CHANNEL_BANDUNIT(wlc, ch) (((ch) <= CH_MAX_2G_CHANNEL) ? BAND_2G_INDEX : BAND_5G_INDEX)
 775 #define OTHERBANDUNIT(wlc)      ((uint)((wlc)->band->bandunit ? BAND_2G_INDEX : BAND_5G_INDEX))
 776
 777 #define IS_MBAND_UNLOCKED(wlc) \
 778         ((NBANDS(wlc) > 1) && !(wlc)->bandlocked)
 779
 780 #define WLC_BAND_PI_RADIO_CHANSPEC wlc_phy_chanspec_get(wlc->band->pi)
 781
 782 /* sum the individual fifo tx pending packet counts */
 783 #define TXPKTPENDTOT(wlc) ((wlc)->core->txpktpend[0] + (wlc)->core->txpktpend[1] + \
 784         (wlc)->core->txpktpend[2] + (wlc)->core->txpktpend[3])
 785 #define TXPKTPENDGET(wlc, fifo)         ((wlc)->core->txpktpend[(fifo)])
 786 #define TXPKTPENDINC(wlc, fifo, val)    ((wlc)->core->txpktpend[(fifo)] += (val))
 787 #define TXPKTPENDDEC(wlc, fifo, val)    ((wlc)->core->txpktpend[(fifo)] -= (val))
 788 #define TXPKTPENDCLR(wlc, fifo)         ((wlc)->core->txpktpend[(fifo)] = 0)
 789 #define TXAVAIL(wlc, fifo)              (*(wlc)->core->txavail[(fifo)])
 790 #define GETNEXTTXP(wlc, _queue)                                                         \
 791                 dma_getnexttxp((wlc)->hw->di[(_queue)], HNDDMA_RANGE_TRANSMITTED)
 792
 793 #define WLC_IS_MATCH_SSID(wlc, ssid1, ssid2, len1, len2) \
 794         ((len1 == len2) && !memcmp(ssid1, ssid2, len1))
 795
 796 extern void wlc_high_dpc(struct wlc_info *wlc, u32 macintstatus);
 797 extern void wlc_fatal_error(struct wlc_info *wlc);
 798 extern void wlc_bmac_rpc_watchdog(struct wlc_info *wlc);
 799 extern void wlc_recv(struct wlc_info *wlc, struct sk_buff *p);
 800 extern bool wlc_dotxstatus(struct wlc_info *wlc, tx_status_t *txs, u32 frm_tx2);
 801 extern void wlc_txfifo(struct wlc_info *wlc, uint fifo, struct sk_buff *p,
 802                        bool commit, s8 txpktpend);
 803 extern void wlc_txfifo_complete(struct wlc_info *wlc, uint fifo, s8 txpktpend);
 804 extern void wlc_txq_enq(void *ctx, struct scb *scb, struct sk_buff *sdu,
 805                         uint prec);
 806 extern void wlc_info_init(struct wlc_info *wlc, int unit);
 807 extern void wlc_print_txstatus(tx_status_t *txs);
 808 extern int wlc_xmtfifo_sz_get(struct wlc_info *wlc, uint fifo, uint *blocks);
 809 extern void wlc_write_template_ram(struct wlc_info *wlc, int offset, int len,
 810                                    void *buf);
 811 extern void wlc_write_hw_bcntemplates(struct wlc_info *wlc, void *bcn, int len,
 812                                       bool both);
 813 #if defined(BCMDBG)
 814 extern void wlc_get_rcmta(struct wlc_info *wlc, int idx,
 815                           u8 *addr);
 816 #endif
 817 extern void wlc_set_rcmta(struct wlc_info *wlc, int idx,
 818                           const u8 *addr);
 819 extern void wlc_read_tsf(struct wlc_info *wlc, u32 *tsf_l_ptr,
 820                          u32 *tsf_h_ptr);
 821 extern void wlc_set_cwmin(struct wlc_info *wlc, u16 newmin);
 822 extern void wlc_set_cwmax(struct wlc_info *wlc, u16 newmax);
 823 extern void wlc_fifoerrors(struct wlc_info *wlc);
 824 extern void wlc_pllreq(struct wlc_info *wlc, bool set, mbool req_bit);
 825 extern void wlc_reset_bmac_done(struct wlc_info *wlc);
 826 extern void wlc_hwtimer_gptimer_set(struct wlc_info *wlc, uint us);
 827 extern void wlc_hwtimer_gptimer_abort(struct wlc_info *wlc);
 828
 829 #if defined(BCMDBG)
 830 extern void wlc_print_rxh(d11rxhdr_t *rxh);
 831 extern void wlc_print_hdrs(struct wlc_info *wlc, const char *prefix, u8 *frame,
 832                            d11txh_t *txh, d11rxhdr_t *rxh, uint len);
 833 extern void wlc_print_txdesc(d11txh_t *txh);
 834 #else
 835 #define wlc_print_txdesc(a)
 836 #endif
 837 #if defined(BCMDBG)
 838 extern void wlc_print_dot11_mac_hdr(u8 *buf, int len);
 839 #endif
 840
 841 extern void wlc_setxband(struct wlc_hw_info *wlc_hw, uint bandunit);
 842 extern void wlc_coredisable(struct wlc_hw_info *wlc_hw);
 843
 844 extern bool wlc_valid_rate(struct wlc_info *wlc, ratespec_t rate, int band,
 845                            bool verbose);
 846 extern void wlc_ap_upd(struct wlc_info *wlc);
 847
 848 /* helper functions */
 849 extern void wlc_shm_ssid_upd(struct wlc_info *wlc, wlc_bsscfg_t *cfg);
 850 extern int wlc_set_gmode(struct wlc_info *wlc, u8 gmode, bool config);
 851
 852 extern void wlc_mac_bcn_promisc_change(struct wlc_info *wlc, bool promisc);
 853 extern void wlc_mac_bcn_promisc(struct wlc_info *wlc);
 854 extern void wlc_mac_promisc(struct wlc_info *wlc);
 855 extern void wlc_txflowcontrol(struct wlc_info *wlc, wlc_txq_info_t *qi, bool on,
 856                               int prio);
 857 extern void wlc_txflowcontrol_override(struct wlc_info *wlc, wlc_txq_info_t *qi,
 858                                        bool on, uint override);
 859 extern bool wlc_txflowcontrol_prio_isset(struct wlc_info *wlc,
 860                                          wlc_txq_info_t *qi, int prio);
 861 extern void wlc_send_q(struct wlc_info *wlc, wlc_txq_info_t *qi);
 862 extern int wlc_prep_pdu(struct wlc_info *wlc, struct sk_buff *pdu, uint *fifo);
 863
 864 extern u16 wlc_calc_lsig_len(struct wlc_info *wlc, ratespec_t ratespec,
 865                                 uint mac_len);
 866 extern ratespec_t wlc_rspec_to_rts_rspec(struct wlc_info *wlc, ratespec_t rspec,
 867                                          bool use_rspec, u16 mimo_ctlchbw);
 868 extern u16 wlc_compute_rtscts_dur(struct wlc_info *wlc, bool cts_only,
 869                                      ratespec_t rts_rate, ratespec_t frame_rate,
 870                                      u8 rts_preamble_type,
 871                                      u8 frame_preamble_type, uint frame_len,
 872                                      bool ba);
 873
 874 extern void wlc_tbtt(struct wlc_info *wlc, d11regs_t *regs);
 875
 876 #if defined(BCMDBG)
 877 extern void wlc_dump_ie(struct wlc_info *wlc, bcm_tlv_t *ie,
 878                         struct bcmstrbuf *b);
 879 #endif
 880
 881 extern bool wlc_ps_check(struct wlc_info *wlc);
 882 extern void wlc_reprate_init(struct wlc_info *wlc);
 883 extern void wlc_bsscfg_reprate_init(wlc_bsscfg_t *bsscfg);
 884 extern void wlc_uint64_sub(u32 *a_high, u32 *a_low, u32 b_high,
 885                            u32 b_low);
 886 extern u32 wlc_calc_tbtt_offset(u32 bi, u32 tsf_h, u32 tsf_l);
 887
 888 /* Shared memory access */
 889 extern void wlc_write_shm(struct wlc_info *wlc, uint offset, u16 v);
 890 extern u16 wlc_read_shm(struct wlc_info *wlc, uint offset);
 891 extern void wlc_set_shm(struct wlc_info *wlc, uint offset, u16 v, int len);
 892 extern void wlc_copyto_shm(struct wlc_info *wlc, uint offset, const void *buf,
 893                            int len);
 894 extern void wlc_copyfrom_shm(struct wlc_info *wlc, uint offset, void *buf,
 895                              int len);
 896
 897 extern void wlc_update_beacon(struct wlc_info *wlc);
 898 extern void wlc_bss_update_beacon(struct wlc_info *wlc,
 899                                   struct wlc_bsscfg *bsscfg);
 900
 901 extern void wlc_update_probe_resp(struct wlc_info *wlc, bool suspend);
 902 extern void wlc_bss_update_probe_resp(struct wlc_info *wlc, wlc_bsscfg_t *cfg,
 903                                       bool suspend);
 904
 905 extern bool wlc_ismpc(struct wlc_info *wlc);
 906 extern bool wlc_is_non_delay_mpc(struct wlc_info *wlc);
 907 extern void wlc_radio_mpc_upd(struct wlc_info *wlc);
 908 extern bool wlc_prec_enq(struct wlc_info *wlc, struct pktq *q, void *pkt,
 909                          int prec);
 910 extern bool wlc_prec_enq_head(struct wlc_info *wlc, struct pktq *q,
 911                               struct sk_buff *pkt, int prec, bool head);
 912 extern u16 wlc_phytxctl1_calc(struct wlc_info *wlc, ratespec_t rspec);
 913 extern void wlc_compute_plcp(struct wlc_info *wlc, ratespec_t rate, uint length,
 914                              u8 *plcp);
 915 extern uint wlc_calc_frame_time(struct wlc_info *wlc, ratespec_t ratespec,
 916                                 u8 preamble_type, uint mac_len);
 917
 918 extern void wlc_set_chanspec(struct wlc_info *wlc, chanspec_t chanspec);
 919
 920 extern bool wlc_timers_init(struct wlc_info *wlc, int unit);
 921
 922 extern const bcm_iovar_t wlc_iovars[];
 923
 924 extern int wlc_doiovar(void *hdl, const bcm_iovar_t *vi, u32 actionid,
 925                        const char *name, void *params, uint p_len, void *arg,
 926                        int len, int val_size, struct wlc_if *wlcif);
 927
 928 #if defined(BCMDBG)
 929 extern void wlc_print_ies(struct wlc_info *wlc, u8 *ies, uint ies_len);
 930 #endif
 931
 932 extern int wlc_set_nmode(struct wlc_info *wlc, s32 nmode);
 933 extern void wlc_ht_mimops_cap_update(struct wlc_info *wlc, u8 mimops_mode);
 934 extern void wlc_mimops_action_ht_send(struct wlc_info *wlc,
 935                                       wlc_bsscfg_t *bsscfg, u8 mimops_mode);
 936
 937 extern void wlc_switch_shortslot(struct wlc_info *wlc, bool shortslot);
 938 extern void wlc_set_bssid(wlc_bsscfg_t *cfg);
 939 extern void wlc_edcf_setparams(wlc_bsscfg_t *cfg, bool suspend);
 940
 941 extern void wlc_set_ratetable(struct wlc_info *wlc);
 942 extern int wlc_set_mac(wlc_bsscfg_t *cfg);
 943 extern void wlc_beacon_phytxctl_txant_upd(struct wlc_info *wlc,
 944                                           ratespec_t bcn_rate);
 945 extern void wlc_mod_prb_rsp_rate_table(struct wlc_info *wlc, uint frame_len);
 946 extern ratespec_t wlc_lowest_basic_rspec(struct wlc_info *wlc,
 947                                          wlc_rateset_t *rs);
 948 extern u16 wlc_compute_bcntsfoff(struct wlc_info *wlc, ratespec_t rspec,
 949                                     bool short_preamble, bool phydelay);
 950 extern void wlc_radio_disable(struct wlc_info *wlc);
 951 extern void wlc_bcn_li_upd(struct wlc_info *wlc);
 952
 953 extern int wlc_get_revision_info(struct wlc_info *wlc, void *buf, uint len);
 954 extern void wlc_out(struct wlc_info *wlc);
 955 extern void wlc_set_home_chanspec(struct wlc_info *wlc, chanspec_t chanspec);
 956 extern void wlc_watchdog_upd(struct wlc_info *wlc, bool tbtt);
 957 extern bool wlc_ps_allowed(struct wlc_info *wlc);
 958 extern bool wlc_stay_awake(struct wlc_info *wlc);
 959 extern void wlc_wme_initparams_sta(struct wlc_info *wlc, wme_param_ie_t *pe);
 960
 961 extern void wlc_bss_list_free(struct wlc_info *wlc, wlc_bss_list_t *bss_list);
 962 extern void wlc_ht_mimops_cap_update(struct wlc_info *wlc, u8 mimops_mode);
 963 #endif                          /* _wlc_h_ */