drivers/staging/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
  26 #define MA_WINDOW_SZ            8       /* moving average window size */
  27 #define BRCMS_HWRXOFF           38      /* chip rx buffer offset */
  28 #define INVCHANNEL              255     /* invalid channel */
  29 /* max # supported core revisions (0 .. MAXCOREREV - 1) */
  30 #define MAXCOREREV              28
  31 /* max # brcms_c_module_register() calls */
  32 #define BRCMS_MAXMODULES        22
  33
  34 #define SEQNUM_SHIFT            4
  35 #define AMPDU_DELIMITER_LEN     4
  36 #define SEQNUM_MAX              0x1000
  37
  38 #define APHY_CWMIN              15
  39 #define PHY_CWMAX               1023
  40
  41 #define EDCF_AIFSN_MIN               1
  42 #define FRAGNUM_MASK            0xF
  43
  44 #define NTXRATE                 64      /* # tx MPDUs rate is reported for */
  45
  46 #define BRCMS_BITSCNT(x)        brcmu_bitcount((u8 *)&(x), sizeof(u8))
  47
  48 /* Maximum wait time for a MAC suspend */
  49 /* uS: 83mS is max packet time (64KB ampdu @ 6Mbps) */
  50 #define BRCMS_MAX_MAC_SUSPEND   83000
  51
  52 /* Probe Response timeout - responses for probe requests older that this are tossed, zero to disable
  53  */
  54 #define BRCMS_PRB_RESP_TIMEOUT  0       /* Disable probe response timeout */
  55
  56 /* transmit buffer max headroom for protocol headers */
  57 #define TXOFF (D11_TXH_LEN + D11_PHY_HDR_LEN)
  58
  59 #define AC_COUNT                4
  60
  61 /* Macros for doing definition and get/set of bitfields
  62  * Usage example, e.g. a three-bit field (bits 4-6):
  63  *    #define <NAME>_M  BITFIELD_MASK(3)
  64  *    #define <NAME>_S  4
  65  * ...
  66  *    regval = R_REG(osh, &regs->regfoo);
  67  *    field = GFIELD(regval, <NAME>);
  68  *    regval = SFIELD(regval, <NAME>, 1);
  69  *    W_REG(osh, &regs->regfoo, regval);
  70  */
  71 #define BITFIELD_MASK(width) \
  72                 (((unsigned)1 << (width)) - 1)
  73 #define GFIELD(val, field) \
  74                 (((val) >> field ## _S) & field ## _M)
  75 #define SFIELD(val, field, bits) \
  76                 (((val) & (~(field ## _M << field ## _S))) | \
  77                  ((unsigned)(bits) << field ## _S))
  78
  79 #define SW_TIMER_MAC_STAT_UPD           30      /* periodic MAC stats update */
  80
  81 /* Double check that unsupported cores are not enabled */
  82 #if CONF_MSK(D11CONF, 0x4f) || CONF_GE(D11CONF, MAXCOREREV)
  83 #error "Configuration for D11CONF includes unsupported versions."
  84 #endif                          /* Bad versions */
  85
  86 #define VALID_COREREV(corerev)  CONF_HAS(D11CONF, corerev)
  87
  88 /* values for shortslot_override */
  89 #define BRCMS_SHORTSLOT_AUTO    -1 /* Driver will manage Shortslot setting */
  90 #define BRCMS_SHORTSLOT_OFF     0  /* Turn off short slot */
  91 #define BRCMS_SHORTSLOT_ON      1  /* Turn on short slot */
  92
  93 /* value for short/long and mixmode/greenfield preamble */
  94 #define BRCMS_LONG_PREAMBLE     (0)
  95 #define BRCMS_SHORT_PREAMBLE    (1 << 0)
  96 #define BRCMS_GF_PREAMBLE               (1 << 1)
  97 #define BRCMS_MM_PREAMBLE               (1 << 2)
  98 #define BRCMS_IS_MIMO_PREAMBLE(_pre) (((_pre) == BRCMS_GF_PREAMBLE) || \
  99                                       ((_pre) == BRCMS_MM_PREAMBLE))
 100
 101 /* values for barker_preamble */
 102 #define BRCMS_BARKER_SHORT_ALLOWED      0       /* Short pre-amble allowed */
 103
 104 /* A fifo is full. Clear precedences related to that FIFO */
 105 #define BRCMS_TX_FIFO_CLEAR(wlc, fifo) \
 106                         ((wlc)->tx_prec_map &= ~(wlc)->fifo2prec_map[fifo])
 107
 108 /* Fifo is NOT full. Enable precedences for that FIFO */
 109 #define BRCMS_TX_FIFO_ENAB(wlc, fifo) \
 110                         ((wlc)->tx_prec_map |= (wlc)->fifo2prec_map[fifo])
 111
 112 /* TxFrameID */
 113 /* seq and frag bits: SEQNUM_SHIFT, FRAGNUM_MASK (802.11.h) */
 114 /* rate epoch bits: TXFID_RATE_SHIFT, TXFID_RATE_MASK ((wlc_rate.c) */
 115 #define TXFID_QUEUE_MASK        0x0007  /* Bits 0-2 */
 116 #define TXFID_SEQ_MASK          0x7FE0  /* Bits 5-15 */
 117 #define TXFID_SEQ_SHIFT         5       /* Number of bit shifts */
 118 #define TXFID_RATE_PROBE_MASK   0x8000  /* Bit 15 for rate probe */
 119 #define TXFID_RATE_MASK         0x0018  /* Mask for bits 3 and 4 */
 120 #define TXFID_RATE_SHIFT        3       /* Shift 3 bits for rate mask */
 121
 122 /* promote boardrev */
 123 #define BOARDREV_PROMOTABLE     0xFF    /* from */
 124 #define BOARDREV_PROMOTED       1       /* to */
 125
 126 /* if wpa is in use then portopen is true when the group key is plumbed otherwise it is always true
 127  */
 128 #define WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED))
 129 #define BRCMS_SW_KEYS(wlc, bsscfg) ((((wlc)->wsec_swkeys) || \
 130         ((bsscfg)->wsec & WSEC_SWFLAG)))
 131
 132 #define BRCMS_PORTOPEN(cfg) \
 133         (((cfg)->WPA_auth != WPA_AUTH_DISABLED && WSEC_ENABLED((cfg)->wsec)) ? \
 134         (cfg)->wsec_portopen : true)
 135
 136 #define PS_ALLOWED(wlc) brcms_c_ps_allowed(wlc)
 137
 138 #define DATA_BLOCK_TX_SUPR      (1 << 4)
 139
 140 /* 802.1D Priority to TX FIFO number for wme */
 141 extern const u8 prio2fifo[];
 142
 143 /* Ucode MCTL_WAKE override bits */
 144 #define BRCMS_WAKE_OVERRIDE_CLKCTL      0x01
 145 #define BRCMS_WAKE_OVERRIDE_PHYREG      0x02
 146 #define BRCMS_WAKE_OVERRIDE_MACSUSPEND  0x04
 147 #define BRCMS_WAKE_OVERRIDE_TXFIFO      0x08
 148 #define BRCMS_WAKE_OVERRIDE_FORCEFAST   0x10
 149
 150 /* stuff pulled in from wlc.c */
 151
 152 /* Interrupt bit error summary.  Don't include I_RU: we refill DMA at other
 153  * times; and if we run out, constant I_RU interrupts may cause lockup.  We
 154  * will still get error counts from rx0ovfl.
 155  */
 156 #define I_ERRORS        (I_PC | I_PD | I_DE | I_RO | I_XU)
 157 /* default software intmasks */
 158 #define DEF_RXINTMASK   (I_RI)  /* enable rx int on rxfifo only */
 159 #define DEF_MACINTMASK  (MI_TXSTOP | MI_TBTT | MI_ATIMWINEND | MI_PMQ | \
 160                          MI_PHYTXERR | MI_DMAINT | MI_TFS | MI_BG_NOISE | \
 161                          MI_CCA | MI_TO | MI_GP0 | MI_RFDISABLE | MI_PWRUP)
 162
 163 #define RETRY_SHORT_DEF                 7       /* Default Short retry Limit */
 164 #define RETRY_SHORT_MAX                 255     /* Maximum Short retry Limit */
 165 #define RETRY_LONG_DEF                  4       /* Default Long retry count */
 166 #define RETRY_SHORT_FB                  3       /* Short retry count for fallback rate */
 167 #define RETRY_LONG_FB                   2       /* Long retry count for fallback rate */
 168
 169 #define MAXTXPKTS               6       /* max # pkts pending */
 170
 171 /* frameburst */
 172 #define MAXTXFRAMEBURST         8       /* vanilla xpress mode: max frames/burst */
 173 #define MAXFRAMEBURST_TXOP      10000   /* Frameburst TXOP in usec */
 174
 175 /* Per-AC retry limit register definitions; uses defs.h bitfield macros */
 176 #define EDCF_SHORT_S            0
 177 #define EDCF_SFB_S              4
 178 #define EDCF_LONG_S             8
 179 #define EDCF_LFB_S              12
 180 #define EDCF_SHORT_M            BITFIELD_MASK(4)
 181 #define EDCF_SFB_M              BITFIELD_MASK(4)
 182 #define EDCF_LONG_M             BITFIELD_MASK(4)
 183 #define EDCF_LFB_M              BITFIELD_MASK(4)
 184
 185 #define NFIFO                   6       /* # tx/rx fifopairs */
 186
 187 #define BRCMS_WME_RETRY_SHORT_GET(wlc, ac) \
 188                                         GFIELD(wlc->wme_retries[ac], EDCF_SHORT)
 189 #define BRCMS_WME_RETRY_SFB_GET(wlc, ac) \
 190                                         GFIELD(wlc->wme_retries[ac], EDCF_SFB)
 191 #define BRCMS_WME_RETRY_LONG_GET(wlc, ac) \
 192                                         GFIELD(wlc->wme_retries[ac], EDCF_LONG)
 193 #define BRCMS_WME_RETRY_LFB_GET(wlc, ac) \
 194                                         GFIELD(wlc->wme_retries[ac], EDCF_LFB)
 195
 196 #define BRCMS_WME_RETRY_SHORT_SET(wlc, ac, val) \
 197         (wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_SHORT, val))
 198 #define BRCMS_WME_RETRY_SFB_SET(wlc, ac, val) \
 199         (wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_SFB, val))
 200 #define BRCMS_WME_RETRY_LONG_SET(wlc, ac, val) \
 201         (wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_LONG, val))
 202 #define BRCMS_WME_RETRY_LFB_SET(wlc, ac, val) \
 203         (wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_LFB, val))
 204
 205 /* PLL requests */
 206
 207 /* pll is shared on old chips */
 208 #define BRCMS_PLLREQ_SHARED     0x1
 209 /* hold pll for radio monitor register checking */
 210 #define BRCMS_PLLREQ_RADIO_MON  0x2
 211 /* hold/release pll for some short operation */
 212 #define BRCMS_PLLREQ_FLIP               0x4
 213
 214 /*
 215  * Macros to check if AP or STA is active.
 216  * AP Active means more than just configured: driver and BSS are "up";
 217  * that is, we are beaconing/responding as an AP (aps_associated).
 218  * STA Active similarly means the driver is up and a configured STA BSS
 219  * is up: either associated (stas_associated) or trying.
 220  *
 221  * Macro definitions vary as per AP/STA ifdefs, allowing references to
 222  * ifdef'd structure fields and constant values (0) for optimization.
 223  * Make sure to enclose blocks of code such that any routines they
 224  * reference can also be unused and optimized out by the linker.
 225  */
 226 /* NOTE: References structure fields defined in wlc.h */
 227 #define AP_ACTIVE(wlc)  (0)
 228
 229 /*
 230  * Detect Card removed.
 231  * Even checking an sbconfig register read will not false trigger when the core is in reset.
 232  * it breaks CF address mechanism. Accessing gphy phyversion will cause SB error if aphy
 233  * is in reset on 4306B0-DB. Need a simple accessible reg with fixed 0/1 pattern
 234  * (some platforms return all 0).
 235  * If clocks are present, call the sb routine which will figure out if the device is removed.
 236  */
 237 #define DEVICEREMOVED(wlc)      \
 238         ((wlc->hw->clk) ?   \
 239         ((R_REG(&wlc->hw->regs->maccontrol) & \
 240         (MCTL_PSM_JMP_0 | MCTL_IHR_EN)) != MCTL_IHR_EN) : \
 241         (ai_deviceremoved(wlc->hw->sih)))
 242
 243 #define BRCMS_UNIT(wlc)         ((wlc)->pub->unit)
 244
 245 struct brcms_protection {
 246         bool _g;                /* use g spec protection, driver internal */
 247         s8 g_override;  /* override for use of g spec protection */
 248         u8 gmode_user;  /* user config gmode, operating band->gmode is different */
 249         s8 overlap;             /* Overlap BSS/IBSS protection for both 11g and 11n */
 250         s8 nmode_user;  /* user config nmode, operating pub->nmode is different */
 251         s8 n_cfg;               /* use OFDM protection on MIMO frames */
 252         s8 n_cfg_override;      /* override for use of N protection */
 253         bool nongf;             /* non-GF present protection */
 254         s8 nongf_override;      /* override for use of GF protection */
 255         s8 n_pam_override;      /* override for preamble: MM or GF */
 256         bool n_obss;            /* indicated OBSS Non-HT STA present */
 257 };
 258
 259 /* anything affects the single/dual streams/antenna operation */
 260 struct brcms_stf {
 261         u8 hw_txchain;  /* HW txchain bitmap cfg */
 262         u8 txchain;             /* txchain bitmap being used */
 263         u8 txstreams;   /* number of txchains being used */
 264
 265         u8 hw_rxchain;  /* HW rxchain bitmap cfg */
 266         u8 rxchain;             /* rxchain bitmap being used */
 267         u8 rxstreams;   /* number of rxchains being used */
 268
 269         u8 ant_rx_ovr;  /* rx antenna override */
 270         s8 txant;               /* userTx antenna setting */
 271         u16 phytxant;   /* phyTx antenna setting in txheader */
 272
 273         u8 ss_opmode;   /* singlestream Operational mode, 0:siso; 1:cdd */
 274         bool ss_algosel_auto;   /* if true, use wlc->stf->ss_algo_channel; */
 275         /* else use wlc->band->stf->ss_mode_band; */
 276         u16 ss_algo_channel;    /* ss based on per-channel algo: 0: SISO, 1: CDD 2: STBC */
 277         u8 no_cddstbc;  /* stf override, 1: no CDD (or STBC) allowed */
 278
 279         u8 rxchain_restore_delay;       /* delay time to restore default rxchain */
 280
 281         s8 ldpc;                /* AUTO/ON/OFF ldpc cap supported */
 282         u8 txcore[MAX_STREAMS_SUPPORTED + 1];   /* bitmap of selected core for each Nsts */
 283         s8 spatial_policy;
 284 };
 285
 286 #define BRCMS_STF_SS_STBC_TX(wlc, scb) \
 287         (((wlc)->stf->txstreams > 1) && (((wlc)->band->band_stf_stbc_tx == ON) || \
 288          (SCB_STBC_CAP((scb)) &&                                        \
 289           (wlc)->band->band_stf_stbc_tx == AUTO &&                      \
 290           isset(&((wlc)->stf->ss_algo_channel), PHY_TXC1_MODE_STBC))))
 291
 292 #define BRCMS_STBC_CAP_PHY(wlc) (BRCMS_ISNPHY(wlc->band) && \
 293                                  NREV_GE(wlc->band->phyrev, 3))
 294
 295 #define BRCMS_SGI_CAP_PHY(wlc) ((BRCMS_ISNPHY(wlc->band) && \
 296                                  NREV_GE(wlc->band->phyrev, 3)) || \
 297                                 BRCMS_ISLCNPHY(wlc->band))
 298
 299 #define BRCMS_CHAN_PHYTYPE(x)     (((x) & RXS_CHAN_PHYTYPE_MASK) \
 300                                    >> RXS_CHAN_PHYTYPE_SHIFT)
 301 #define BRCMS_CHAN_CHANNEL(x)     (((x) & RXS_CHAN_ID_MASK) \
 302                                    >> RXS_CHAN_ID_SHIFT)
 303 #define BRCMS_RX_CHANNEL(rxh)   (BRCMS_CHAN_CHANNEL((rxh)->RxChan))
 304
 305 /* brcms_bss_info flag bit values */
 306 #define BRCMS_BSS_HT            0x0020  /* BSS is HT (MIMO) capable */
 307
 308 /* Flags used in brcms_c_txq_info.stopped */
 309 #define TXQ_STOP_FOR_PRIOFC_MASK        0x000000FF      /* per prio flow control bits */
 310 #define TXQ_STOP_FOR_PKT_DRAIN          0x00000100      /* stop txq enqueue for packet drain */
 311 #define TXQ_STOP_FOR_AMPDU_FLOW_CNTRL   0x00000200      /* stop txq enqueue for ampdu flow control */
 312
 313 #define BRCMS_HT_WEP_RESTRICT   0x01    /* restrict HT with WEP */
 314 #define BRCMS_HT_TKIP_RESTRICT  0x02    /* restrict HT with TKIP */
 315
 316 /* Maximum # of keys that wl driver supports in S/W.
 317  * Keys supported in H/W is less than or equal to WSEC_MAX_KEYS.
 318  */
 319 #define WSEC_MAX_KEYS           54      /* Max # of keys (50 + 4 default keys) */
 320 #define BRCMS_DEFAULT_KEYS      4       /* Default # of keys */
 321
 322 /*
 323 * Max # of keys currently supported:
 324 *
 325 *     s/w keys if WSEC_SW(wlc->wsec).
 326 *     h/w keys otherwise.
 327 */
 328 #define BRCMS_MAX_WSEC_KEYS(wlc) WSEC_MAX_KEYS
 329
 330 /* number of 802.11 default (non-paired, group keys) */
 331 #define WSEC_MAX_DEFAULT_KEYS   4       /* # of default keys */
 332
 333 struct wsec_iv {
 334         u32 hi;         /* upper 32 bits of IV */
 335         u16 lo;         /* lower 16 bits of IV */
 336 };
 337
 338 #define BRCMS_NUMRXIVS  16      /* # rx IVs (one per 802.11e TID) */
 339
 340 struct wsec_key {
 341         u8 ea[ETH_ALEN];        /* per station */
 342         u8 idx;         /* key index in wsec_keys array */
 343         u8 id;          /* key ID [0-3] */
 344         u8 algo;                /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */
 345         u8 rcmta;               /* rcmta entry index, same as idx by default */
 346         u16 flags;              /* misc flags */
 347         u8 algo_hw;             /* cache for hw register */
 348         u8 aes_mode;            /* cache for hw register */
 349         s8 iv_len;              /* IV length */
 350         s8 icv_len;             /* ICV length */
 351         u32 len;                /* key length..don't move this var */
 352         /* data is 4byte aligned */
 353         u8 data[WLAN_MAX_KEY_LEN];      /* key data */
 354         struct wsec_iv rxiv[BRCMS_NUMRXIVS];    /* Rx IV (one per TID) */
 355         struct wsec_iv txiv;            /* Tx IV */
 356 };
 357
 358 /*
 359  * core state (mac)
 360  */
 361 struct brcms_core {
 362         uint coreidx;           /* # sb enumerated core */
 363
 364         /* fifo */
 365         uint *txavail[NFIFO];   /* # tx descriptors available */
 366         s16 txpktpend[NFIFO];   /* tx admission control */
 367
 368         struct macstat *macstat_snapshot;       /* mac hw prev read values */
 369 };
 370
 371 /*
 372  * band state (phy+ana+radio)
 373  */
 374 struct brcms_band {
 375         int bandtype;           /* BRCM_BAND_2G, BRCM_BAND_5G */
 376         uint bandunit;          /* bandstate[] index */
 377
 378         u16 phytype;            /* phytype */
 379         u16 phyrev;
 380         u16 radioid;
 381         u16 radiorev;
 382         struct brcms_phy_pub *pi; /* pointer to phy specific information */
 383         bool abgphy_encore;
 384
 385         u8 gmode;               /* currently active gmode */
 386
 387         struct scb *hwrs_scb;   /* permanent scb for hw rateset */
 388
 389         wlc_rateset_t defrateset;       /* band-specific copy of default_bss.rateset */
 390
 391         ratespec_t rspec_override;      /* 802.11 rate override */
 392         ratespec_t mrspec_override;     /* multicast rate override */
 393         u8 band_stf_ss_mode;    /* Configured STF type, 0:siso; 1:cdd */
 394         s8 band_stf_stbc_tx;    /* STBC TX 0:off; 1:force on; -1:auto */
 395         wlc_rateset_t hw_rateset;       /* rates supported by chip (phy-specific) */
 396         u8 basic_rate[BRCM_MAXRATE + 1]; /* basic rates indexed by rate */
 397         bool mimo_cap_40;       /* 40 MHz cap enabled on this band */
 398         s8 antgain;             /* antenna gain from srom */
 399
 400         u16 CWmin;              /* The minimum size of contention window, in unit of aSlotTime */
 401         u16 CWmax;              /* The maximum size of contention window, in unit of aSlotTime */
 402         u16 bcntsfoff;  /* beacon tsf offset */
 403 };
 404
 405 /* tx completion callback takes 3 args */
 406 typedef void (*pkcb_fn_t) (struct brcms_c_info *wlc, uint txstatus, void *arg);
 407
 408 struct pkt_cb {
 409         pkcb_fn_t fn;           /* function to call when tx frame completes */
 410         void *arg;              /* void arg for fn */
 411         u8 nextidx;             /* index of next call back if threading */
 412         bool entered;           /* recursion check */
 413 };
 414
 415 /* module control blocks */
 416 struct modulecb {
 417         char name[32];          /* module name : NULL indicates empty array member */
 418         const struct brcmu_iovar *iovars;       /* iovar table */
 419         void *hdl;              /* handle passed when handler 'doiovar' is called */
 420         watchdog_fn_t watchdog_fn;      /* watchdog handler */
 421         iovar_fn_t iovar_fn;    /* iovar handler */
 422         down_fn_t down_fn;      /* down handler. Note: the int returned
 423                                  * by the down function is a count of the
 424                                  * number of timers that could not be
 425                                  * freed.
 426                                  */
 427 };
 428
 429 /* dump control blocks */
 430 struct dumpcb_s {
 431         const char *name;       /* dump name */
 432         dump_fn_t dump_fn;      /* 'wl dump' handler */
 433         void *dump_fn_arg;
 434         struct dumpcb_s *next;
 435 };
 436
 437 struct edcf_acparam {
 438         u8 ACI;
 439         u8 ECW;
 440         u16 TXOP;
 441 } __packed;
 442
 443 struct wme_param_ie {
 444         u8 oui[3];
 445         u8 type;
 446         u8 subtype;
 447         u8 version;
 448         u8 qosinfo;
 449         u8 rsvd;
 450         struct edcf_acparam acparam[AC_COUNT];
 451 } __packed;
 452
 453 /* virtual interface */
 454 struct brcms_c_if {
 455         struct brcms_c_if *next;
 456         u8 type;                /* BSS or WDS */
 457         u8 index;               /* assigned in wl_add_if(), index of the wlif if any,
 458                                  * not necessarily corresponding to bsscfg._idx or
 459                                  * AID2PVBMAP(scb).
 460                                  */
 461         u8 flags;               /* flags for the interface */
 462         struct brcms_if *wlif;          /* pointer to wlif */
 463         struct brcms_txq_info *qi;      /* pointer to associated tx queue */
 464         union {
 465                 /* pointer to scb if WDS */
 466                 struct scb *scb;
 467                 /* pointer to bsscfg if BSS */
 468                 struct brcms_bss_cfg *bsscfg;
 469         } u;
 470 };
 471
 472 /* flags for the interface, this interface is linked to a brcms_if */
 473 #define BRCMS_IF_LINKED         0x02
 474
 475 struct brcms_hw_band {
 476         int bandtype;           /* BRCM_BAND_2G, BRCM_BAND_5G */
 477         uint bandunit;          /* bandstate[] index */
 478         u16 mhfs[MHFMAX];       /* MHF array shadow */
 479         u8 bandhw_stf_ss_mode;  /* HW configured STF type, 0:siso; 1:cdd */
 480         u16 CWmin;
 481         u16 CWmax;
 482         u32 core_flags;
 483
 484         u16 phytype;            /* phytype */
 485         u16 phyrev;
 486         u16 radioid;
 487         u16 radiorev;
 488         struct brcms_phy_pub *pi; /* pointer to phy specific information */
 489         bool abgphy_encore;
 490 };
 491
 492 struct brcms_hardware {
 493         bool _piomode;          /* true if pio mode */
 494         struct brcms_c_info *wlc;
 495
 496         /* fifo */
 497         struct dma_pub *di[NFIFO];      /* dma handles, per fifo */
 498
 499         uint unit;              /* device instance number */
 500
 501         /* version info */
 502         u16 vendorid;   /* PCI vendor id */
 503         u16 deviceid;   /* PCI device id */
 504         uint corerev;           /* core revision */
 505         u8 sromrev;             /* version # of the srom */
 506         u16 boardrev;   /* version # of particular board */
 507         u32 boardflags; /* Board specific flags from srom */
 508         u32 boardflags2;        /* More board flags if sromrev >= 4 */
 509         u32 machwcap;   /* MAC capabilities */
 510         u32 machwcap_backup;    /* backup of machwcap */
 511         u16 ucode_dbgsel;       /* dbgsel for ucode debug(config gpio) */
 512
 513         struct si_pub *sih;     /* SI handle (cookie for siutils calls) */
 514         char *vars;             /* "environment" name=value */
 515         uint vars_size;         /* size of vars, free vars on detach */
 516         d11regs_t *regs;        /* pointer to device registers */
 517         void *physhim;          /* phy shim layer handler */
 518         void *phy_sh;           /* pointer to shared phy state */
 519         struct brcms_hw_band *band;/* pointer to active per-band state */
 520         /* band state per phy/radio */
 521         struct brcms_hw_band *bandstate[MAXBANDS];
 522         u16 bmac_phytxant;      /* cache of high phytxant state */
 523         bool shortslot;         /* currently using 11g ShortSlot timing */
 524         u16 SRL;                /* 802.11 dot11ShortRetryLimit */
 525         u16 LRL;                /* 802.11 dot11LongRetryLimit */
 526         u16 SFBL;               /* Short Frame Rate Fallback Limit */
 527         u16 LFBL;               /* Long Frame Rate Fallback Limit */
 528
 529         bool up;                /* d11 hardware up and running */
 530         uint now;               /* # elapsed seconds */
 531         uint _nbands;           /* # bands supported */
 532         chanspec_t chanspec;    /* bmac chanspec shadow */
 533
 534         uint *txavail[NFIFO];   /* # tx descriptors available */
 535         u16 *xmtfifo_sz;        /* fifo size in 256B for each xmt fifo */
 536
 537         mbool pllreq;           /* pll requests to keep PLL on */
 538
 539         u8 suspended_fifos;     /* Which TX fifo to remain awake for */
 540         u32 maccontrol; /* Cached value of maccontrol */
 541         uint mac_suspend_depth; /* current depth of mac_suspend levels */
 542         u32 wake_override;      /* Various conditions to force MAC to WAKE mode */
 543         u32 mute_override;      /* Prevent ucode from sending beacons */
 544         u8 etheraddr[ETH_ALEN]; /* currently configured ethernet address */
 545         u32 led_gpio_mask;      /* LED GPIO Mask */
 546         bool noreset;           /* true= do not reset hw, used by WLC_OUT */
 547         bool forcefastclk;      /* true if the h/w is forcing the use of fast clk */
 548         bool clk;               /* core is out of reset and has clock */
 549         bool sbclk;             /* sb has clock */
 550         struct bmac_pmq *bmac_pmq; /*  bmac PM states derived from ucode PMQ */
 551         bool phyclk;            /* phy is out of reset and has clock */
 552         bool dma_lpbk;          /* core is in DMA loopback */
 553
 554         bool ucode_loaded;      /* true after ucode downloaded */
 555
 556
 557         u8 hw_stf_ss_opmode;    /* STF single stream operation mode */
 558         u8 antsel_type; /* Type of boardlevel mimo antenna switch-logic
 559                                  * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
 560                                  */
 561         u32 antsel_avail;       /*
 562                                  * put struct antsel_info here if more info is
 563                                  * needed
 564                                  */
 565 };
 566
 567 /* TX Queue information
 568  *
 569  * Each flow of traffic out of the device has a TX Queue with independent
 570  * flow control. Several interfaces may be associated with a single TX Queue
 571  * if they belong to the same flow of traffic from the device. For multi-channel
 572  * operation there are independent TX Queues for each channel.
 573  */
 574 struct brcms_txq_info {
 575         struct brcms_txq_info *next;
 576         struct pktq q;
 577         uint stopped;           /* tx flow control bits */
 578 };
 579
 580 /*
 581  * Principal common (os-independent) software data structure.
 582  */
 583 struct brcms_c_info {
 584         struct brcms_pub *pub;          /* pointer to wlc public state */
 585         struct brcms_info *wl;  /* pointer to os-specific private state */
 586         d11regs_t *regs;        /* pointer to device registers */
 587
 588         /* HW related state used primarily by BMAC */
 589         struct brcms_hardware *hw;
 590
 591         /* clock */
 592         int clkreq_override;    /* setting for clkreq for PCIE : Auto, 0, 1 */
 593         u16 fastpwrup_dly;      /* time in us needed to bring up d11 fast clock */
 594
 595         /* interrupt */
 596         u32 macintstatus;       /* bit channel between isr and dpc */
 597         u32 macintmask; /* sw runtime master macintmask value */
 598         u32 defmacintmask;      /* default "on" macintmask value */
 599
 600         /* up and down */
 601         bool device_present;    /* (removable) device is present */
 602
 603         bool clk;               /* core is out of reset and has clock */
 604
 605         /* multiband */
 606         struct brcms_core *core;        /* pointer to active io core */
 607         struct brcms_band *band;        /* pointer to active per-band state */
 608         struct brcms_core *corestate;   /* per-core state (one per hw core) */
 609         /* per-band state (one per phy/radio): */
 610         struct brcms_band *bandstate[MAXBANDS];
 611
 612         bool war16165;          /* PCI slow clock 16165 war flag */
 613
 614         bool tx_suspended;      /* data fifos need to remain suspended */
 615
 616         uint txpend16165war;
 617
 618         /* packet queue */
 619         uint qvalid;            /* DirFrmQValid and BcMcFrmQValid */
 620
 621         /* Regulatory power limits */
 622         s8 txpwr_local_max;     /* regulatory local txpwr max */
 623         u8 txpwr_local_constraint;      /* local power contraint in dB */
 624
 625
 626         struct ampdu_info *ampdu;       /* ampdu module handler */
 627         struct antsel_info *asi;        /* antsel module handler */
 628         struct brcms_cm_info *cmi;      /* channel manager module handler */
 629
 630         uint vars_size;         /* size of vars, free vars on detach */
 631
 632         u16 vendorid;   /* PCI vendor id */
 633         u16 deviceid;   /* PCI device id */
 634         uint ucode_rev;         /* microcode revision */
 635
 636         u32 machwcap;   /* MAC capabilities, BMAC shadow */
 637
 638         u8 perm_etheraddr[ETH_ALEN];    /* original sprom local ethernet address */
 639
 640         bool bandlocked;        /* disable auto multi-band switching */
 641         bool bandinit_pending;  /* track band init in auto band */
 642
 643         bool radio_monitor;     /* radio timer is running */
 644         bool going_down;        /* down path intermediate variable */
 645
 646         bool mpc;               /* enable minimum power consumption */
 647         u8 mpc_dlycnt;  /* # of watchdog cnt before turn disable radio */
 648         u8 mpc_offcnt;  /* # of watchdog cnt that radio is disabled */
 649         u8 mpc_delay_off;       /* delay radio disable by # of watchdog cnt */
 650         u8 prev_non_delay_mpc;  /* prev state brcms_c_is_non_delay_mpc */
 651
 652         /* timer for watchdog routine */
 653         struct brcms_timer *wdtimer;
 654         /* timer for hw radio button monitor routine */
 655         struct brcms_timer *radio_timer;
 656
 657         /* promiscuous */
 658         bool monitor;           /* monitor (MPDU sniffing) mode */
 659         bool bcnmisc_ibss;      /* bcns promisc mode override for IBSS */
 660         bool bcnmisc_scan;      /* bcns promisc mode override for scan */
 661         bool bcnmisc_monitor;   /* bcns promisc mode override for monitor */
 662
 663         /* driver feature */
 664         bool _rifs;             /* enable per-packet rifs */
 665         s8 sgi_tx;              /* sgi tx */
 666
 667         /* AP-STA synchronization, power save */
 668         u8 bcn_li_bcn;  /* beacon listen interval in # beacons */
 669         u8 bcn_li_dtim; /* beacon listen interval in # dtims */
 670
 671         bool WDarmed;           /* watchdog timer is armed */
 672         u32 WDlast;             /* last time wlc_watchdog() was called */
 673
 674         /* WME */
 675         ac_bitmap_t wme_dp;     /* Discard (oldest first) policy per AC */
 676         u16 edcf_txop[AC_COUNT];        /* current txop for each ac */
 677
 678         /*
 679          * WME parameter info element, which on STA contains parameters in use
 680          * locally, and on AP contains parameters advertised to STA in beacons
 681          * and assoc responses.
 682          */
 683         struct wme_param_ie wme_param_ie;
 684         u16 wme_retries[AC_COUNT];      /* per-AC retry limits */
 685
 686         u16 tx_prec_map;        /* Precedence map based on HW FIFO space */
 687         u16 fifo2prec_map[NFIFO];       /* pointer to fifo2_prec map based on WME */
 688
 689         /*
 690          * BSS Configurations set of BSS configurations, idx 0 is default and
 691          * always valid
 692          */
 693         struct brcms_bss_cfg *bsscfg[BRCMS_MAXBSSCFG];
 694         struct brcms_bss_cfg *cfg; /* the primary bsscfg (can be AP or STA) */
 695
 696         /* tx queue */
 697         struct brcms_txq_info *tx_queues;       /* common TX Queue list */
 698
 699         /* security */
 700         struct wsec_key *wsec_keys[WSEC_MAX_KEYS]; /* dynamic key storage */
 701         /* default key storage */
 702         struct wsec_key *wsec_def_keys[BRCMS_DEFAULT_KEYS];
 703         bool wsec_swkeys;       /* indicates that all keys should be
 704                                  * treated as sw keys (used for debugging)
 705                                  */
 706         struct modulecb *modulecb;
 707
 708         u8 mimoft;              /* SIGN or 11N */
 709         s8 cck_40txbw;  /* 11N, cck tx b/w override when in 40MHZ mode */
 710         s8 ofdm_40txbw; /* 11N, ofdm tx b/w override when in 40MHZ mode */
 711         s8 mimo_40txbw; /* 11N, mimo tx b/w override when in 40MHZ mode */
 712         /* HT CAP IE being advertised by this node: */
 713         struct ieee80211_ht_cap ht_cap;
 714
 715         struct brcms_bss_info *default_bss;     /* configured BSS parameters */
 716
 717         u16 mc_fid_counter;     /* BC/MC FIFO frame ID counter */
 718
 719         /* saved country for leaving 802.11d auto-country mode */
 720         char country_default[BRCM_CNTRY_BUF_SZ];
 721         /* initial country for 802.11d auto-country mode */
 722         char autocountry_default[BRCM_CNTRY_BUF_SZ];
 723         u16 prb_resp_timeout;   /* do not send prb resp if request older than this,
 724                                          * 0 = disable
 725                                          */
 726
 727         wlc_rateset_t sup_rates_override;       /* use only these rates in 11g supported rates if
 728                                                  * specifed
 729                                                  */
 730
 731         chanspec_t home_chanspec;       /* shared home chanspec */
 732
 733         /* PHY parameters */
 734         chanspec_t chanspec;    /* target operational channel */
 735         u16 usr_fragthresh;     /* user configured fragmentation threshold */
 736         u16 fragthresh[NFIFO];  /* per-fifo fragmentation thresholds */
 737         u16 RTSThresh;  /* 802.11 dot11RTSThreshold */
 738         u16 SRL;                /* 802.11 dot11ShortRetryLimit */
 739         u16 LRL;                /* 802.11 dot11LongRetryLimit */
 740         u16 SFBL;               /* Short Frame Rate Fallback Limit */
 741         u16 LFBL;               /* Long Frame Rate Fallback Limit */
 742
 743         /* network config */
 744         bool shortslot;         /* currently using 11g ShortSlot timing */
 745         s8 shortslot_override;  /* 11g ShortSlot override */
 746         bool include_legacy_erp;        /* include Legacy ERP info elt ID 47 as well as g ID 42 */
 747
 748         struct brcms_protection *protection;
 749         s8 PLCPHdr_override;    /* 802.11b Preamble Type override */
 750
 751         struct brcms_stf *stf;
 752
 753         ratespec_t bcn_rspec;   /* save bcn ratespec purpose */
 754
 755         uint tempsense_lasttime;
 756
 757         u16 tx_duty_cycle_ofdm; /* maximum allowed duty cycle for OFDM */
 758         u16 tx_duty_cycle_cck;  /* maximum allowed duty cycle for CCK */
 759
 760         u16 next_bsscfg_ID;
 761
 762         struct brcms_txq_info *pkt_queue; /* txq for transmit packets */
 763         u32 mpc_dur;            /* total time (ms) in mpc mode except for the
 764                                  * portion since radio is turned off last time
 765                                  */
 766         u32 mpc_laston_ts;      /* timestamp (ms) when radio is turned off last
 767                                  * time
 768                                  */
 769         struct wiphy *wiphy;
 770 };
 771
 772 /* antsel module specific state */
 773 struct antsel_info {
 774         struct brcms_c_info *wlc;       /* pointer to main wlc structure */
 775         struct brcms_pub *pub;          /* pointer to public fn */
 776         u8 antsel_type; /* Type of boardlevel mimo antenna switch-logic
 777                                  * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
 778                                  */
 779         u8 antsel_antswitch;    /* board level antenna switch type */
 780         bool antsel_avail;      /* Ant selection availability (SROM based) */
 781         struct brcms_antselcfg antcfg_11n; /* antenna configuration */
 782         struct brcms_antselcfg antcfg_cur; /* current antenna config (auto) */
 783 };
 784
 785 /* BSS configuration state */
 786 struct brcms_bss_cfg {
 787         struct brcms_c_info *wlc; /* wlc to which this bsscfg belongs to. */
 788         bool up;                /* is this configuration up operational */
 789         bool enable;            /* is this configuration enabled */
 790         bool associated;        /* is BSS in ASSOCIATED state */
 791         bool BSS;               /* infraustructure or adhac */
 792         bool dtim_programmed;
 793
 794         u8 SSID_len;            /* the length of SSID */
 795         u8 SSID[IEEE80211_MAX_SSID_LEN]; /* SSID string */
 796         struct scb *bcmc_scb[MAXBANDS]; /* one bcmc_scb per band */
 797         s8 _idx;                /* the index of this bsscfg,
 798                                  * assigned at wlc_bsscfg_alloc()
 799                                  */
 800         /* MAC filter */
 801         uint nmac;              /* # of entries on maclist array */
 802         int macmode;            /* allow/deny stations on maclist array */
 803         struct ether_addr *maclist;     /* list of source MAC addrs to match */
 804
 805         /* security */
 806         u32 wsec;               /* wireless security bitvec */
 807         s16 auth;               /* 802.11 authentication: Open, Shared Key, WPA */
 808         s16 openshared; /* try Open auth first, then Shared Key */
 809         bool wsec_restrict;     /* drop unencrypted packets if wsec is enabled */
 810         bool eap_restrict;      /* restrict data until 802.1X auth succeeds */
 811         u16 WPA_auth;   /* WPA: authenticated key management */
 812         bool wpa2_preauth;      /* default is true, wpa_cap sets value */
 813         bool wsec_portopen;     /* indicates keys are plumbed */
 814         /* global txiv for WPA_NONE, tkip and aes */
 815         struct wsec_iv wpa_none_txiv;
 816         int wsec_index;         /* 0-3: default tx key, -1: not set */
 817         /* default key storage: */
 818         struct wsec_key *bss_def_keys[BRCMS_DEFAULT_KEYS];
 819
 820         /* TKIP countermeasures */
 821         bool tkip_countermeasures;      /* flags TKIP no-assoc period */
 822         u32 tk_cm_dt;   /* detect timer */
 823         u32 tk_cm_bt;   /* blocking timer */
 824         u32 tk_cm_bt_tmstmp;    /* Timestamp when TKIP BT is activated */
 825         bool tk_cm_activate;    /* activate countermeasures after EAPOL-Key sent */
 826
 827         u8 BSSID[ETH_ALEN];     /* BSSID (associated) */
 828         u8 cur_etheraddr[ETH_ALEN];     /* h/w address */
 829         u16 bcmc_fid;   /* the last BCMC FID queued to TX_BCMC_FIFO */
 830         u16 bcmc_fid_shm;       /* the last BCMC FID written to shared mem */
 831
 832         u32 flags;              /* BSSCFG flags; see below */
 833
 834         u8 *bcn;                /* AP beacon */
 835         uint bcn_len;           /* AP beacon length */
 836         bool ar_disassoc;       /* disassociated in associated recreation */
 837
 838         int auth_atmptd;        /* auth type (open/shared) attempted */
 839
 840         pmkid_cand_t pmkid_cand[MAXPMKID];      /* PMKID candidate list */
 841         uint npmkid_cand;       /* num PMKID candidates */
 842         pmkid_t pmkid[MAXPMKID];        /* PMKID cache */
 843         uint npmkid;            /* num cached PMKIDs */
 844
 845         struct brcms_bss_info *current_bss; /* BSS parms in ASSOCIATED state */
 846
 847         /* PM states */
 848         bool PMawakebcn;        /* bcn recvd during current waking state */
 849         bool PMpending;         /* waiting for tx status with PM indicated set */
 850         bool priorPMstate;      /* Detecting PM state transitions */
 851         bool PSpoll;            /* whether there is an outstanding PS-Poll frame */
 852
 853         /* BSSID entry in RCMTA, use the wsec key management infrastructure to
 854          * manage the RCMTA entries.
 855          */
 856         struct wsec_key *rcmta;
 857
 858         /* 'unique' ID of this bsscfg, assigned at bsscfg allocation */
 859         u16 ID;
 860
 861         uint txrspecidx;        /* index into tx rate circular buffer */
 862         ratespec_t txrspec[NTXRATE][2]; /* circular buffer of prev MPDUs tx rates */
 863 };
 864
 865 #define CHANNEL_BANDUNIT(wlc, ch) (((ch) <= CH_MAX_2G_CHANNEL) ? BAND_2G_INDEX : BAND_5G_INDEX)
 866 #define OTHERBANDUNIT(wlc)      ((uint)((wlc)->band->bandunit ? BAND_2G_INDEX : BAND_5G_INDEX))
 867
 868 #define IS_MBAND_UNLOCKED(wlc) \
 869         ((NBANDS(wlc) > 1) && !(wlc)->bandlocked)
 870
 871 #define BRCMS_BAND_PI_RADIO_CHANSPEC wlc_phy_chanspec_get(wlc->band->pi)
 872
 873 /* sum the individual fifo tx pending packet counts */
 874 #define TXPKTPENDTOT(wlc) ((wlc)->core->txpktpend[0] + (wlc)->core->txpktpend[1] + \
 875         (wlc)->core->txpktpend[2] + (wlc)->core->txpktpend[3])
 876 #define TXPKTPENDGET(wlc, fifo)         ((wlc)->core->txpktpend[(fifo)])
 877 #define TXPKTPENDINC(wlc, fifo, val)    ((wlc)->core->txpktpend[(fifo)] += (val))
 878 #define TXPKTPENDDEC(wlc, fifo, val)    ((wlc)->core->txpktpend[(fifo)] -= (val))
 879 #define TXPKTPENDCLR(wlc, fifo)         ((wlc)->core->txpktpend[(fifo)] = 0)
 880 #define TXAVAIL(wlc, fifo)              (*(wlc)->core->txavail[(fifo)])
 881 #define GETNEXTTXP(wlc, _queue)                                                         \
 882                 dma_getnexttxp((wlc)->hw->di[(_queue)], DMA_RANGE_TRANSMITTED)
 883
 884 #define BRCMS_IS_MATCH_SSID(wlc, ssid1, ssid2, len1, len2) \
 885         ((len1 == len2) && !memcmp(ssid1, ssid2, len1))
 886
 887 extern void brcms_c_fatal_error(struct brcms_c_info *wlc);
 888 extern void brcms_b_rpc_watchdog(struct brcms_c_info *wlc);
 889 extern void brcms_c_recv(struct brcms_c_info *wlc, struct sk_buff *p);
 890 extern bool brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs,
 891                                u32 frm_tx2);
 892 extern void brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo,
 893                            struct sk_buff *p,
 894                            bool commit, s8 txpktpend);
 895 extern void brcms_c_txfifo_complete(struct brcms_c_info *wlc, uint fifo,
 896                                     s8 txpktpend);
 897 extern void brcms_c_txq_enq(void *ctx, struct scb *scb, struct sk_buff *sdu,
 898                             uint prec);
 899 extern void brcms_c_info_init(struct brcms_c_info *wlc, int unit);
 900 extern void brcms_c_print_txstatus(struct tx_status *txs);
 901 extern int brcms_c_xmtfifo_sz_get(struct brcms_c_info *wlc, uint fifo,
 902                                   uint *blocks);
 903 extern void brcms_c_write_template_ram(struct brcms_c_info *wlc, int offset,
 904                                        int len, void *buf);
 905 extern void brcms_c_write_hw_bcntemplates(struct brcms_c_info *wlc, void *bcn,
 906                                           int len, bool both);
 907 extern void brcms_c_pllreq(struct brcms_c_info *wlc, bool set, mbool req_bit);
 908 extern void brcms_c_reset_bmac_done(struct brcms_c_info *wlc);
 909
 910 #if defined(BCMDBG)
 911 extern void brcms_c_print_rxh(struct d11rxhdr *rxh);
 912 extern void brcms_c_print_txdesc(struct d11txh *txh);
 913 #else
 914 #define brcms_c_print_txdesc(a)
 915 #endif
 916
 917 extern void brcms_c_setxband(struct brcms_hardware *wlc_hw, uint bandunit);
 918 extern void brcms_c_coredisable(struct brcms_hardware *wlc_hw);
 919
 920 extern bool brcms_c_valid_rate(struct brcms_c_info *wlc, ratespec_t rate,
 921                                int band, bool verbose);
 922 extern void brcms_c_ap_upd(struct brcms_c_info *wlc);
 923
 924 /* helper functions */
 925 extern void brcms_c_shm_ssid_upd(struct brcms_c_info *wlc,
 926                                  struct brcms_bss_cfg *cfg);
 927 extern int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config);
 928
 929 extern void brcms_c_mac_bcn_promisc_change(struct brcms_c_info *wlc,
 930                                            bool promisc);
 931 extern void brcms_c_mac_bcn_promisc(struct brcms_c_info *wlc);
 932 extern void brcms_c_mac_promisc(struct brcms_c_info *wlc);
 933 extern void brcms_c_txflowcontrol(struct brcms_c_info *wlc,
 934                                   struct brcms_txq_info *qi,
 935                                   bool on, int prio);
 936 extern void brcms_c_txflowcontrol_override(struct brcms_c_info *wlc,
 937                                        struct brcms_txq_info *qi,
 938                                        bool on, uint override);
 939 extern bool brcms_c_txflowcontrol_prio_isset(struct brcms_c_info *wlc,
 940                                              struct brcms_txq_info *qi,
 941                                              int prio);
 942 extern void brcms_c_send_q(struct brcms_c_info *wlc);
 943 extern int brcms_c_prep_pdu(struct brcms_c_info *wlc, struct sk_buff *pdu,
 944                             uint *fifo);
 945
 946 extern u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, ratespec_t ratespec,
 947                                 uint mac_len);
 948 extern ratespec_t brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc,
 949                                              ratespec_t rspec,
 950                                              bool use_rspec, u16 mimo_ctlchbw);
 951 extern u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only,
 952                                       ratespec_t rts_rate,
 953                                       ratespec_t frame_rate,
 954                                       u8 rts_preamble_type,
 955                                       u8 frame_preamble_type, uint frame_len,
 956                                       bool ba);
 957
 958 extern void brcms_c_tbtt(struct brcms_c_info *wlc);
 959 extern void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
 960                                struct ieee80211_sta *sta,
 961                                void (*dma_callback_fn));
 962
 963 extern void brcms_c_reprate_init(struct brcms_c_info *wlc);
 964 extern void brcms_c_bsscfg_reprate_init(struct brcms_bss_cfg *bsscfg);
 965
 966 /* Shared memory access */
 967 extern void brcms_c_write_shm(struct brcms_c_info *wlc, uint offset, u16 v);
 968 extern u16 brcms_c_read_shm(struct brcms_c_info *wlc, uint offset);
 969 extern void brcms_c_copyto_shm(struct brcms_c_info *wlc, uint offset,
 970                                const void *buf, int len);
 971
 972 extern void brcms_c_update_beacon(struct brcms_c_info *wlc);
 973 extern void brcms_c_bss_update_beacon(struct brcms_c_info *wlc,
 974                                   struct brcms_bss_cfg *bsscfg);
 975
 976 extern void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend);
 977 extern void brcms_c_bss_update_probe_resp(struct brcms_c_info *wlc,
 978                                           struct brcms_bss_cfg *cfg,
 979                                           bool suspend);
 980 extern bool brcms_c_ismpc(struct brcms_c_info *wlc);
 981 extern bool brcms_c_is_non_delay_mpc(struct brcms_c_info *wlc);
 982 extern void brcms_c_radio_mpc_upd(struct brcms_c_info *wlc);
 983 extern bool brcms_c_prec_enq(struct brcms_c_info *wlc, struct pktq *q,
 984                              void *pkt, int prec);
 985 extern bool brcms_c_prec_enq_head(struct brcms_c_info *wlc, struct pktq *q,
 986                               struct sk_buff *pkt, int prec, bool head);
 987 extern u16 brcms_c_phytxctl1_calc(struct brcms_c_info *wlc, ratespec_t rspec);
 988 extern void brcms_c_compute_plcp(struct brcms_c_info *wlc, ratespec_t rate,
 989                                  uint length, u8 *plcp);
 990 extern uint brcms_c_calc_frame_time(struct brcms_c_info *wlc,
 991                                     ratespec_t ratespec,
 992                                     u8 preamble_type, uint mac_len);
 993
 994 extern void brcms_c_set_chanspec(struct brcms_c_info *wlc,
 995                                  chanspec_t chanspec);
 996
 997 extern bool brcms_c_timers_init(struct brcms_c_info *wlc, int unit);
 998
 999 extern int brcms_c_set_nmode(struct brcms_c_info *wlc, s32 nmode);
1000 extern void brcms_c_mimops_action_ht_send(struct brcms_c_info *wlc,
1001                                       struct brcms_bss_cfg *bsscfg,
1002                                       u8 mimops_mode);
1003
1004 extern void brcms_c_switch_shortslot(struct brcms_c_info *wlc, bool shortslot);
1005 extern void brcms_c_set_bssid(struct brcms_bss_cfg *cfg);
1006 extern void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend);
1007
1008 extern void brcms_c_set_ratetable(struct brcms_c_info *wlc);
1009 extern int brcms_c_set_mac(struct brcms_bss_cfg *cfg);
1010 extern void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc,
1011                                           ratespec_t bcn_rate);
1012 extern void brcms_c_mod_prb_rsp_rate_table(struct brcms_c_info *wlc,
1013                                            uint frame_len);
1014 extern ratespec_t brcms_c_lowest_basic_rspec(struct brcms_c_info *wlc,
1015                                              wlc_rateset_t *rs);
1016 extern void brcms_c_radio_disable(struct brcms_c_info *wlc);
1017 extern void brcms_c_bcn_li_upd(struct brcms_c_info *wlc);
1018 extern void brcms_c_set_home_chanspec(struct brcms_c_info *wlc,
1019                                       chanspec_t chanspec);
1020 extern bool brcms_c_ps_allowed(struct brcms_c_info *wlc);
1021 extern bool brcms_c_stay_awake(struct brcms_c_info *wlc);
1022 extern void brcms_c_wme_initparams_sta(struct brcms_c_info *wlc,
1023                                        struct wme_param_ie *pe);
1024
1025 #endif                          /* _BRCM_MAIN_H_ */