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* Copyright (c) 2010 Broadcom Corporation
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#define MA_WINDOW_SZ 8 /* moving average window size */
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#define WL_HWRXOFF 38 /* chip rx buffer offset */
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#define INVCHANNEL 255 /* invalid channel */
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#define MAXCOREREV 28 /* max # supported core revisions (0 .. MAXCOREREV - 1) */
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#define WLC_MAXMODULES 22 /* max # wlc_module_register() calls */
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#define WLC_BITSCNT(x) bcm_bitcount((u8 *)&(x), sizeof(u8))
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/* Maximum wait time for a MAC suspend */
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#define WLC_MAX_MAC_SUSPEND 83000 /* uS: 83mS is max packet time (64KB ampdu @ 6Mbps) */
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/* Probe Response timeout - responses for probe requests older that this are tossed, zero to disable
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#define WLC_PRB_RESP_TIMEOUT 0 /* Disable probe response timeout */
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/* transmit buffer max headroom for protocol headers */
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#define TXOFF (D11_TXH_LEN + D11_PHY_HDR_LEN)
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/* For managing scan result lists */
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bool beacon; /* set for beacon, cleared for probe response */
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wlc_bss_info_t *ptrs[MAXBSS];
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#define SW_TIMER_MAC_STAT_UPD 30 /* periodic MAC stats update */
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/* Double check that unsupported cores are not enabled */
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#if CONF_MSK(D11CONF, 0x4f) || CONF_GE(D11CONF, MAXCOREREV)
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#error "Configuration for D11CONF includes unsupported versions."
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#endif /* Bad versions */
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#define VALID_COREREV(corerev) CONF_HAS(D11CONF, corerev)
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/* values for shortslot_override */
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#define WLC_SHORTSLOT_AUTO -1 /* Driver will manage Shortslot setting */
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#define WLC_SHORTSLOT_OFF 0 /* Turn off short slot */
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#define WLC_SHORTSLOT_ON 1 /* Turn on short slot */
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/* value for short/long and mixmode/greenfield preamble */
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#define WLC_LONG_PREAMBLE (0)
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#define WLC_SHORT_PREAMBLE (1 << 0)
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#define WLC_GF_PREAMBLE (1 << 1)
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#define WLC_MM_PREAMBLE (1 << 2)
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#define WLC_IS_MIMO_PREAMBLE(_pre) (((_pre) == WLC_GF_PREAMBLE) || ((_pre) == WLC_MM_PREAMBLE))
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/* values for barker_preamble */
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#define WLC_BARKER_SHORT_ALLOWED 0 /* Short pre-amble allowed */
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/* A fifo is full. Clear precedences related to that FIFO */
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#define WLC_TX_FIFO_CLEAR(wlc, fifo) ((wlc)->tx_prec_map &= ~(wlc)->fifo2prec_map[fifo])
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/* Fifo is NOT full. Enable precedences for that FIFO */
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#define WLC_TX_FIFO_ENAB(wlc, fifo) ((wlc)->tx_prec_map |= (wlc)->fifo2prec_map[fifo])
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/* seq and frag bits: SEQNUM_SHIFT, FRAGNUM_MASK (802.11.h) */
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/* rate epoch bits: TXFID_RATE_SHIFT, TXFID_RATE_MASK ((wlc_rate.c) */
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#define TXFID_QUEUE_MASK 0x0007 /* Bits 0-2 */
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#define TXFID_SEQ_MASK 0x7FE0 /* Bits 5-15 */
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#define TXFID_SEQ_SHIFT 5 /* Number of bit shifts */
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#define TXFID_RATE_PROBE_MASK 0x8000 /* Bit 15 for rate probe */
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#define TXFID_RATE_MASK 0x0018 /* Mask for bits 3 and 4 */
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#define TXFID_RATE_SHIFT 3 /* Shift 3 bits for rate mask */
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/* promote boardrev */
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#define BOARDREV_PROMOTABLE 0xFF /* from */
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#define BOARDREV_PROMOTED 1 /* to */
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/* if wpa is in use then portopen is true when the group key is plumbed otherwise it is always true
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#define WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED))
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#define WLC_SW_KEYS(wlc, bsscfg) ((((wlc)->wsec_swkeys) || \
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((bsscfg)->wsec & WSEC_SWFLAG)))
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#define WLC_PORTOPEN(cfg) \
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(((cfg)->WPA_auth != WPA_AUTH_DISABLED && WSEC_ENABLED((cfg)->wsec)) ? \
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(cfg)->wsec_portopen : true)
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#define PS_ALLOWED(wlc) wlc_ps_allowed(wlc)
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#define STAY_AWAKE(wlc) wlc_stay_awake(wlc)
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#define DATA_BLOCK_TX_SUPR (1 << 4)
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/* 802.1D Priority to TX FIFO number for wme */
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extern const u8 prio2fifo[];
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/* Ucode MCTL_WAKE override bits */
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#define WLC_WAKE_OVERRIDE_CLKCTL 0x01
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#define WLC_WAKE_OVERRIDE_PHYREG 0x02
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#define WLC_WAKE_OVERRIDE_MACSUSPEND 0x04
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#define WLC_WAKE_OVERRIDE_TXFIFO 0x08
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#define WLC_WAKE_OVERRIDE_FORCEFAST 0x10
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/* stuff pulled in from wlc.c */
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/* Interrupt bit error summary. Don't include I_RU: we refill DMA at other
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* times; and if we run out, constant I_RU interrupts may cause lockup. We
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* will still get error counts from rx0ovfl.
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#define I_ERRORS (I_PC | I_PD | I_DE | I_RO | I_XU)
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/* default software intmasks */
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#define DEF_RXINTMASK (I_RI) /* enable rx int on rxfifo only */
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#define DEF_MACINTMASK (MI_TXSTOP | MI_TBTT | MI_ATIMWINEND | MI_PMQ | \
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MI_PHYTXERR | MI_DMAINT | MI_TFS | MI_BG_NOISE | \
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MI_CCA | MI_TO | MI_GP0 | MI_RFDISABLE | MI_PWRUP)
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#define RETRY_SHORT_DEF 7 /* Default Short retry Limit */
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#define RETRY_SHORT_MAX 255 /* Maximum Short retry Limit */
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#define RETRY_LONG_DEF 4 /* Default Long retry count */
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#define RETRY_SHORT_FB 3 /* Short retry count for fallback rate */
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#define RETRY_LONG_FB 2 /* Long retry count for fallback rate */
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#define MAXTXPKTS 6 /* max # pkts pending */
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#define MAXTXFRAMEBURST 8 /* vanilla xpress mode: max frames/burst */
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#define MAXFRAMEBURST_TXOP 10000 /* Frameburst TXOP in usec */
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/* Per-AC retry limit register definitions; uses bcmdefs.h bitfield macros */
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#define EDCF_SHORT_S 0
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#define EDCF_LONG_S 8
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#define EDCF_LFB_S 12
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#define EDCF_SHORT_M BITFIELD_MASK(4)
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#define EDCF_SFB_M BITFIELD_MASK(4)
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#define EDCF_LONG_M BITFIELD_MASK(4)
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#define EDCF_LFB_M BITFIELD_MASK(4)
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#define WLC_WME_RETRY_SHORT_GET(wlc, ac) GFIELD(wlc->wme_retries[ac], EDCF_SHORT)
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#define WLC_WME_RETRY_SFB_GET(wlc, ac) GFIELD(wlc->wme_retries[ac], EDCF_SFB)
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#define WLC_WME_RETRY_LONG_GET(wlc, ac) GFIELD(wlc->wme_retries[ac], EDCF_LONG)
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#define WLC_WME_RETRY_LFB_GET(wlc, ac) GFIELD(wlc->wme_retries[ac], EDCF_LFB)
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#define WLC_WME_RETRY_SHORT_SET(wlc, ac, val) \
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(wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_SHORT, val))
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#define WLC_WME_RETRY_SFB_SET(wlc, ac, val) \
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(wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_SFB, val))
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#define WLC_WME_RETRY_LONG_SET(wlc, ac, val) \
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(wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_LONG, val))
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#define WLC_WME_RETRY_LFB_SET(wlc, ac, val) \
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(wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac], EDCF_LFB, val))
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#define WLC_PLLREQ_SHARED 0x1 /* pll is shared on old chips */
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#define WLC_PLLREQ_RADIO_MON 0x2 /* hold pll for radio monitor register checking */
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#define WLC_PLLREQ_FLIP 0x4 /* hold/release pll for some short operation */
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/* Do we support this rate? */
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#define VALID_RATE_DBG(wlc, rspec) wlc_valid_rate(wlc, rspec, WLC_BAND_AUTO, true)
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* Macros to check if AP or STA is active.
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* AP Active means more than just configured: driver and BSS are "up";
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* that is, we are beaconing/responding as an AP (aps_associated).
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* STA Active similarly means the driver is up and a configured STA BSS
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* is up: either associated (stas_associated) or trying.
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* Macro definitions vary as per AP/STA ifdefs, allowing references to
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* ifdef'd structure fields and constant values (0) for optimization.
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* Make sure to enclose blocks of code such that any routines they
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* reference can also be unused and optimized out by the linker.
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/* NOTE: References structure fields defined in wlc.h */
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#define AP_ACTIVE(wlc) (0)
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* Detect Card removed.
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* Even checking an sbconfig register read will not false trigger when the core is in reset.
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* it breaks CF address mechanism. Accessing gphy phyversion will cause SB error if aphy
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* is in reset on 4306B0-DB. Need a simple accessible reg with fixed 0/1 pattern
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* (some platforms return all 0).
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* If clocks are present, call the sb routine which will figure out if the device is removed.
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#define DEVICEREMOVED(wlc) \
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((R_REG(&wlc->hw->regs->maccontrol) & \
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(MCTL_PSM_JMP_0 | MCTL_IHR_EN)) != MCTL_IHR_EN) : \
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(si_deviceremoved(wlc->hw->sih)))
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#define WLCWLUNIT(wlc) ((wlc)->pub->unit)
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struct wlc_protection {
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bool _g; /* use g spec protection, driver internal */
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s8 g_override; /* override for use of g spec protection */
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u8 gmode_user; /* user config gmode, operating band->gmode is different */
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s8 overlap; /* Overlap BSS/IBSS protection for both 11g and 11n */
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s8 nmode_user; /* user config nmode, operating pub->nmode is different */
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s8 n_cfg; /* use OFDM protection on MIMO frames */
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s8 n_cfg_override; /* override for use of N protection */
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bool nongf; /* non-GF present protection */
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s8 nongf_override; /* override for use of GF protection */
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s8 n_pam_override; /* override for preamble: MM or GF */
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bool n_obss; /* indicated OBSS Non-HT STA present */
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uint longpre_detect_timeout; /* #sec until long preamble bcns gone */
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uint barker_detect_timeout; /* #sec until bcns signaling Barker long preamble */
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uint ofdm_ibss_timeout; /* #sec until ofdm IBSS beacons gone */
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uint ofdm_ovlp_timeout; /* #sec until ofdm overlapping BSS bcns gone */
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uint nonerp_ibss_timeout; /* #sec until nonerp IBSS beacons gone */
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uint nonerp_ovlp_timeout; /* #sec until nonerp overlapping BSS bcns gone */
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uint g_ibss_timeout; /* #sec until bcns signaling Use_Protection gone */
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uint n_ibss_timeout; /* #sec until bcns signaling Use_OFDM_Protection gone */
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uint ht20in40_ovlp_timeout; /* #sec until 20MHz overlapping OPMODE gone */
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uint ht20in40_ibss_timeout; /* #sec until 20MHz-only HT station bcns gone */
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uint non_gf_ibss_timeout; /* #sec until non-GF bcns gone */
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/* anything affects the single/dual streams/antenna operation */
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u8 hw_txchain; /* HW txchain bitmap cfg */
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u8 txchain; /* txchain bitmap being used */
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u8 txstreams; /* number of txchains being used */
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u8 hw_rxchain; /* HW rxchain bitmap cfg */
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u8 rxchain; /* rxchain bitmap being used */
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u8 rxstreams; /* number of rxchains being used */
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u8 ant_rx_ovr; /* rx antenna override */
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s8 txant; /* userTx antenna setting */
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u16 phytxant; /* phyTx antenna setting in txheader */
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u8 ss_opmode; /* singlestream Operational mode, 0:siso; 1:cdd */
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bool ss_algosel_auto; /* if true, use wlc->stf->ss_algo_channel; */
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/* else use wlc->band->stf->ss_mode_band; */
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u16 ss_algo_channel; /* ss based on per-channel algo: 0: SISO, 1: CDD 2: STBC */
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u8 no_cddstbc; /* stf override, 1: no CDD (or STBC) allowed */
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u8 rxchain_restore_delay; /* delay time to restore default rxchain */
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s8 ldpc; /* AUTO/ON/OFF ldpc cap supported */
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u8 txcore[MAX_STREAMS_SUPPORTED + 1]; /* bitmap of selected core for each Nsts */
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#define WLC_STF_SS_STBC_TX(wlc, scb) \
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(((wlc)->stf->txstreams > 1) && (((wlc)->band->band_stf_stbc_tx == ON) || \
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(SCB_STBC_CAP((scb)) && \
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(wlc)->band->band_stf_stbc_tx == AUTO && \
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isset(&((wlc)->stf->ss_algo_channel), PHY_TXC1_MODE_STBC))))
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#define WLC_STBC_CAP_PHY(wlc) (WLCISNPHY(wlc->band) && NREV_GE(wlc->band->phyrev, 3))
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#define WLC_SGI_CAP_PHY(wlc) ((WLCISNPHY(wlc->band) && NREV_GE(wlc->band->phyrev, 3)) || \
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WLCISLCNPHY(wlc->band))
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#define WLC_CHAN_PHYTYPE(x) (((x) & RXS_CHAN_PHYTYPE_MASK) >> RXS_CHAN_PHYTYPE_SHIFT)
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#define WLC_CHAN_CHANNEL(x) (((x) & RXS_CHAN_ID_MASK) >> RXS_CHAN_ID_SHIFT)
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#define WLC_RX_CHANNEL(rxh) (WLC_CHAN_CHANNEL((rxh)->RxChan))
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/* wlc_bss_info flag bit values */
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#define WLC_BSS_HT 0x0020 /* BSS is HT (MIMO) capable */
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/* Flags used in wlc_txq_info.stopped */
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#define TXQ_STOP_FOR_PRIOFC_MASK 0x000000FF /* per prio flow control bits */
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#define TXQ_STOP_FOR_PKT_DRAIN 0x00000100 /* stop txq enqueue for packet drain */
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#define TXQ_STOP_FOR_AMPDU_FLOW_CNTRL 0x00000200 /* stop txq enqueue for ampdu flow control */
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#define WLC_HT_WEP_RESTRICT 0x01 /* restrict HT with WEP */
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#define WLC_HT_TKIP_RESTRICT 0x02 /* restrict HT with TKIP */
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uint coreidx; /* # sb enumerated core */
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uint *txavail[NFIFO]; /* # tx descriptors available */
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s16 txpktpend[NFIFO]; /* tx admission control */
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macstat_t *macstat_snapshot; /* mac hw prev read values */
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* band state (phy+ana+radio)
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int bandtype; /* WLC_BAND_2G, WLC_BAND_5G */
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uint bandunit; /* bandstate[] index */
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u16 phytype; /* phytype */
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wlc_phy_t *pi; /* pointer to phy specific information */
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u8 gmode; /* currently active gmode (see wlioctl.h) */
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struct scb *hwrs_scb; /* permanent scb for hw rateset */
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wlc_rateset_t defrateset; /* band-specific copy of default_bss.rateset */
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ratespec_t rspec_override; /* 802.11 rate override */
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ratespec_t mrspec_override; /* multicast rate override */
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u8 band_stf_ss_mode; /* Configured STF type, 0:siso; 1:cdd */
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s8 band_stf_stbc_tx; /* STBC TX 0:off; 1:force on; -1:auto */
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wlc_rateset_t hw_rateset; /* rates supported by chip (phy-specific) */
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u8 basic_rate[WLC_MAXRATE + 1]; /* basic rates indexed by rate */
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bool mimo_cap_40; /* 40 MHz cap enabled on this band */
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s8 antgain; /* antenna gain from srom */
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u16 CWmin; /* The minimum size of contention window, in unit of aSlotTime */
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u16 CWmax; /* The maximum size of contention window, in unit of aSlotTime */
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u16 bcntsfoff; /* beacon tsf offset */
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/* tx completion callback takes 3 args */
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typedef void (*pkcb_fn_t) (struct wlc_info *wlc, uint txstatus, void *arg);
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pkcb_fn_t fn; /* function to call when tx frame completes */
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void *arg; /* void arg for fn */
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u8 nextidx; /* index of next call back if threading */
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bool entered; /* recursion check */
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/* module control blocks */
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char name[32]; /* module name : NULL indicates empty array member */
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const bcm_iovar_t *iovars; /* iovar table */
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void *hdl; /* handle passed when handler 'doiovar' is called */
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watchdog_fn_t watchdog_fn; /* watchdog handler */
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iovar_fn_t iovar_fn; /* iovar handler */
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down_fn_t down_fn; /* down handler. Note: the int returned
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* by the down function is a count of the
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* number of timers that could not be
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/* dump control blocks */
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const char *name; /* dump name */
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dump_fn_t dump_fn; /* 'wl dump' handler */
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struct dumpcb_s *next;
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/* virtual interface */
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u8 type; /* WLC_IFTYPE_BSS or WLC_IFTYPE_WDS */
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u8 index; /* assigned in wl_add_if(), index of the wlif if any,
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* not necessarily corresponding to bsscfg._idx or
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u8 flags; /* flags for the interface */
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struct wl_if *wlif; /* pointer to wlif */
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struct wlc_txq_info *qi; /* pointer to associated tx queue */
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struct scb *scb; /* pointer to scb if WLC_IFTYPE_WDS */
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struct wlc_bsscfg *bsscfg; /* pointer to bsscfg if WLC_IFTYPE_BSS */
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/* flags for the interface */
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#define WLC_IF_LINKED 0x02 /* this interface is linked to a wl_if */
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int bandtype; /* WLC_BAND_2G, WLC_BAND_5G */
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uint bandunit; /* bandstate[] index */
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u16 mhfs[MHFMAX]; /* MHF array shadow */
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u8 bandhw_stf_ss_mode; /* HW configured STF type, 0:siso; 1:cdd */
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u16 phytype; /* phytype */
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wlc_phy_t *pi; /* pointer to phy specific information */
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bool _piomode; /* true if pio mode */
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struct wlc_info *wlc;
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struct hnddma_pub *di[NFIFO]; /* hnddma handles, per fifo */
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uint unit; /* device instance number */
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u16 vendorid; /* PCI vendor id */
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u16 deviceid; /* PCI device id */
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uint corerev; /* core revision */
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u8 sromrev; /* version # of the srom */
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u16 boardrev; /* version # of particular board */
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u32 boardflags; /* Board specific flags from srom */
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u32 boardflags2; /* More board flags if sromrev >= 4 */
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u32 machwcap; /* MAC capabilities */
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u32 machwcap_backup; /* backup of machwcap */
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u16 ucode_dbgsel; /* dbgsel for ucode debug(config gpio) */
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si_t *sih; /* SB handle (cookie for siutils calls) */
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char *vars; /* "environment" name=value */
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uint vars_size; /* size of vars, free vars on detach */
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d11regs_t *regs; /* pointer to device registers */
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void *physhim; /* phy shim layer handler */
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void *phy_sh; /* pointer to shared phy state */
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struct wlc_hwband *band;/* pointer to active per-band state */
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struct wlc_hwband *bandstate[MAXBANDS];/* band state per phy/radio */
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u16 bmac_phytxant; /* cache of high phytxant state */
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bool shortslot; /* currently using 11g ShortSlot timing */
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u16 SRL; /* 802.11 dot11ShortRetryLimit */
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u16 LRL; /* 802.11 dot11LongRetryLimit */
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u16 SFBL; /* Short Frame Rate Fallback Limit */
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u16 LFBL; /* Long Frame Rate Fallback Limit */
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bool up; /* d11 hardware up and running */
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uint now; /* # elapsed seconds */
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uint _nbands; /* # bands supported */
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chanspec_t chanspec; /* bmac chanspec shadow */
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uint *txavail[NFIFO]; /* # tx descriptors available */
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u16 *xmtfifo_sz; /* fifo size in 256B for each xmt fifo */
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mbool pllreq; /* pll requests to keep PLL on */
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u8 suspended_fifos; /* Which TX fifo to remain awake for */
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u32 maccontrol; /* Cached value of maccontrol */
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uint mac_suspend_depth; /* current depth of mac_suspend levels */
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u32 wake_override; /* Various conditions to force MAC to WAKE mode */
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u32 mute_override; /* Prevent ucode from sending beacons */
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u8 etheraddr[ETH_ALEN]; /* currently configured ethernet address */
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u32 led_gpio_mask; /* LED GPIO Mask */
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bool noreset; /* true= do not reset hw, used by WLC_OUT */
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bool forcefastclk; /* true if the h/w is forcing the use of fast clk */
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bool clk; /* core is out of reset and has clock */
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bool sbclk; /* sb has clock */
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struct bmac_pmq *bmac_pmq; /* bmac PM states derived from ucode PMQ */
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bool phyclk; /* phy is out of reset and has clock */
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bool dma_lpbk; /* core is in DMA loopback */
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bool ucode_loaded; /* true after ucode downloaded */
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u8 hw_stf_ss_opmode; /* STF single stream operation mode */
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u8 antsel_type; /* Type of boardlevel mimo antenna switch-logic
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* 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
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* put struct antsel_info here if more info is
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/* TX Queue information
475
* Each flow of traffic out of the device has a TX Queue with independent
476
* flow control. Several interfaces may be associated with a single TX Queue
477
* if they belong to the same flow of traffic from the device. For multi-channel
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* operation there are independent TX Queues for each channel.
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struct wlc_txq_info {
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struct wlc_txq_info *next;
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uint stopped; /* tx flow control bits */
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* Principal common (os-independent) software data structure.
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struct wlc_pub *pub; /* pointer to wlc public state */
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struct wl_info *wl; /* pointer to os-specific private state */
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d11regs_t *regs; /* pointer to device registers */
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struct wlc_hw_info *hw; /* HW related state used primarily by BMAC */
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int clkreq_override; /* setting for clkreq for PCIE : Auto, 0, 1 */
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u16 fastpwrup_dly; /* time in us needed to bring up d11 fast clock */
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u32 macintstatus; /* bit channel between isr and dpc */
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u32 macintmask; /* sw runtime master macintmask value */
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u32 defmacintmask; /* default "on" macintmask value */
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bool device_present; /* (removable) device is present */
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bool clk; /* core is out of reset and has clock */
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struct wlccore *core; /* pointer to active io core */
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struct wlcband *band; /* pointer to active per-band state */
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struct wlccore *corestate; /* per-core state (one per hw core) */
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/* per-band state (one per phy/radio): */
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struct wlcband *bandstate[MAXBANDS];
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bool war16165; /* PCI slow clock 16165 war flag */
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bool tx_suspended; /* data fifos need to remain suspended */
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uint qvalid; /* DirFrmQValid and BcMcFrmQValid */
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/* Regulatory power limits */
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s8 txpwr_local_max; /* regulatory local txpwr max */
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u8 txpwr_local_constraint; /* local power contraint in dB */
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struct ampdu_info *ampdu; /* ampdu module handler */
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struct antsel_info *asi; /* antsel module handler */
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wlc_cm_info_t *cmi; /* channel manager module handler */
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void *btparam; /* bus type specific cookie */
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uint vars_size; /* size of vars, free vars on detach */
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u16 vendorid; /* PCI vendor id */
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u16 deviceid; /* PCI device id */
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uint ucode_rev; /* microcode revision */
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u32 machwcap; /* MAC capabilities, BMAC shadow */
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u8 perm_etheraddr[ETH_ALEN]; /* original sprom local ethernet address */
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bool bandlocked; /* disable auto multi-band switching */
548
bool bandinit_pending; /* track band init in auto band */
550
bool radio_monitor; /* radio timer is running */
551
bool down_override; /* true=down */
552
bool going_down; /* down path intermediate variable */
554
bool mpc; /* enable minimum power consumption */
555
u8 mpc_dlycnt; /* # of watchdog cnt before turn disable radio */
556
u8 mpc_offcnt; /* # of watchdog cnt that radio is disabled */
557
u8 mpc_delay_off; /* delay radio disable by # of watchdog cnt */
558
u8 prev_non_delay_mpc; /* prev state wlc_is_non_delay_mpc */
561
struct wl_timer *wdtimer; /* timer for watchdog routine */
562
uint fast_timer; /* Periodic timeout for 'fast' timer */
563
uint slow_timer; /* Periodic timeout for 'slow' timer */
564
uint glacial_timer; /* Periodic timeout for 'glacial' timer */
565
uint phycal_mlo; /* last time measurelow calibration was done */
566
uint phycal_txpower; /* last time txpower calibration was done */
568
struct wl_timer *radio_timer; /* timer for hw radio button monitor routine */
569
struct wl_timer *pspoll_timer; /* periodic pspoll timer */
572
bool monitor; /* monitor (MPDU sniffing) mode */
573
bool bcnmisc_ibss; /* bcns promisc mode override for IBSS */
574
bool bcnmisc_scan; /* bcns promisc mode override for scan */
575
bool bcnmisc_monitor; /* bcns promisc mode override for monitor */
577
u8 bcn_wait_prd; /* max waiting period (for beacon) in 1024TU */
580
bool _rifs; /* enable per-packet rifs */
581
s32 rifs_advert; /* RIFS mode advertisement */
582
s8 sgi_tx; /* sgi tx */
583
bool wet; /* true if wireless ethernet bridging mode */
585
/* AP-STA synchronization, power save */
586
bool check_for_unaligned_tbtt; /* check unaligned tbtt flag */
587
bool PM_override; /* no power-save flag, override PM(user input) */
588
bool PMenabled; /* current power-management state (CAM or PS) */
589
bool PMpending; /* waiting for tx status with PM indicated set */
590
bool PMblocked; /* block any PSPolling in PS mode, used to buffer
591
* AP traffic, also used to indicate in progress
592
* of scan, rm, etc. off home channel activity.
594
bool PSpoll; /* whether there is an outstanding PS-Poll frame */
595
u8 PM; /* power-management mode (CAM, PS or FASTPS) */
596
bool PMawakebcn; /* bcn recvd during current waking state */
598
bool WME_PM_blocked; /* Can STA go to PM when in WME Auto mode */
599
bool wake; /* host-specified PS-mode sleep state */
600
u8 pspoll_prd; /* pspoll interval in milliseconds */
601
u8 bcn_li_bcn; /* beacon listen interval in # beacons */
602
u8 bcn_li_dtim; /* beacon listen interval in # dtims */
604
bool WDarmed; /* watchdog timer is armed */
605
u32 WDlast; /* last time wlc_watchdog() was called */
608
ac_bitmap_t wme_dp; /* Discard (oldest first) policy per AC */
609
bool wme_apsd; /* enable Advanced Power Save Delivery */
610
ac_bitmap_t wme_admctl; /* bit i set if AC i under admission control */
611
u16 edcf_txop[AC_COUNT]; /* current txop for each ac */
612
wme_param_ie_t wme_param_ie; /* WME parameter info element, which on STA
613
* contains parameters in use locally, and on
614
* AP contains parameters advertised to STA
615
* in beacons and assoc responses.
617
bool wme_prec_queuing; /* enable/disable non-wme STA prec queuing */
618
u16 wme_retries[AC_COUNT]; /* per-AC retry limits */
620
int vlan_mode; /* OK to use 802.1Q Tags (ON, OFF, AUTO) */
621
u16 tx_prec_map; /* Precedence map based on HW FIFO space */
622
u16 fifo2prec_map[NFIFO]; /* pointer to fifo2_prec map based on WME */
625
* BSS Configurations set of BSS configurations, idx 0 is default and
628
struct wlc_bsscfg *bsscfg[WLC_MAXBSSCFG];
629
struct wlc_bsscfg *cfg; /* the primary bsscfg (can be AP or STA) */
630
u8 stas_associated; /* count of ASSOCIATED STA bsscfgs */
631
u8 aps_associated; /* count of UP AP bsscfgs */
632
u8 block_datafifo; /* prohibit posting frames to data fifos */
633
bool bcmcfifo_drain; /* TX_BCMC_FIFO is set to drain */
636
struct wlc_txq_info *tx_queues; /* common TX Queue list */
639
wsec_key_t *wsec_keys[WSEC_MAX_KEYS]; /* dynamic key storage */
640
wsec_key_t *wsec_def_keys[WLC_DEFAULT_KEYS]; /* default key storage */
641
bool wsec_swkeys; /* indicates that all keys should be
642
* treated as sw keys (used for debugging)
644
struct modulecb *modulecb;
645
struct dumpcb_s *dumpcb_head;
647
u8 mimoft; /* SIGN or 11N */
648
u8 mimo_band_bwcap; /* bw cap per band type */
649
s8 txburst_limit_override; /* tx burst limit override */
650
u16 txburst_limit; /* tx burst limit value */
651
s8 cck_40txbw; /* 11N, cck tx b/w override when in 40MHZ mode */
652
s8 ofdm_40txbw; /* 11N, ofdm tx b/w override when in 40MHZ mode */
653
s8 mimo_40txbw; /* 11N, mimo tx b/w override when in 40MHZ mode */
654
/* HT CAP IE being advertised by this node: */
655
struct ieee80211_ht_cap ht_cap;
657
uint seckeys; /* 54 key table shm address */
658
uint tkmickeys; /* 12 TKIP MIC key table shm address */
660
wlc_bss_info_t *default_bss; /* configured BSS parameters */
662
u16 AID; /* association ID */
663
u16 counter; /* per-sdu monotonically increasing counter */
664
u16 mc_fid_counter; /* BC/MC FIFO frame ID counter */
666
bool ibss_allowed; /* false, all IBSS will be ignored during a scan
667
* and the driver will not allow the creation of
670
bool ibss_coalesce_allowed;
672
char country_default[WLC_CNTRY_BUF_SZ]; /* saved country for leaving 802.11d
675
char autocountry_default[WLC_CNTRY_BUF_SZ]; /* initial country for 802.11d
679
bcm_tlv_t *country_ie_override; /* debug override of announced Country IE */
682
u16 prb_resp_timeout; /* do not send prb resp if request older than this,
686
wlc_rateset_t sup_rates_override; /* use only these rates in 11g supported rates if
690
chanspec_t home_chanspec; /* shared home chanspec */
693
chanspec_t chanspec; /* target operational channel */
694
u16 usr_fragthresh; /* user configured fragmentation threshold */
695
u16 fragthresh[NFIFO]; /* per-fifo fragmentation thresholds */
696
u16 RTSThresh; /* 802.11 dot11RTSThreshold */
697
u16 SRL; /* 802.11 dot11ShortRetryLimit */
698
u16 LRL; /* 802.11 dot11LongRetryLimit */
699
u16 SFBL; /* Short Frame Rate Fallback Limit */
700
u16 LFBL; /* Long Frame Rate Fallback Limit */
703
bool shortpreamble; /* currently operating with CCK ShortPreambles */
704
bool shortslot; /* currently using 11g ShortSlot timing */
705
s8 barker_preamble; /* current Barker Preamble Mode */
706
s8 shortslot_override; /* 11g ShortSlot override */
707
bool include_legacy_erp; /* include Legacy ERP info elt ID 47 as well as g ID 42 */
708
bool barker_overlap_control; /* true: be aware of overlapping BSSs for barker */
709
bool ignore_bcns; /* override: ignore non shortslot bcns in a 11g network */
710
bool legacy_probe; /* restricts probe requests to CCK rates */
712
struct wlc_protection *protection;
713
s8 PLCPHdr_override; /* 802.11b Preamble Type override */
717
struct pkt_cb *pkt_callback; /* tx completion callback handlers */
719
u32 txretried; /* tx retried number in one msdu */
721
ratespec_t bcn_rspec; /* save bcn ratespec purpose */
723
bool apsd_sta_usp; /* Unscheduled Service Period in progress on STA */
724
struct wl_timer *apsd_trigger_timer; /* timer for wme apsd trigger frames */
725
u32 apsd_trigger_timeout; /* timeout value for apsd_trigger_timer (in ms)
728
ac_bitmap_t apsd_trigger_ac; /* Permissible Access Category in which APSD Null
729
* Trigger frames can be send
731
u8 htphy_membership; /* HT PHY membership */
733
bool _regulatory_domain; /* 802.11d enabled? */
737
u8 txpwr_percent; /* power output percentage */
739
u8 ht_wsec_restriction; /* the restriction of HT with TKIP or WEP */
741
uint tempsense_lasttime;
743
u16 tx_duty_cycle_ofdm; /* maximum allowed duty cycle for OFDM */
744
u16 tx_duty_cycle_cck; /* maximum allowed duty cycle for CCK */
748
struct wlc_if *wlcif_list; /* linked list of wlc_if structs */
749
struct wlc_txq_info *active_queue; /* txq for the currently active
752
u32 mpc_dur; /* total time (ms) in mpc mode except for the
753
* portion since radio is turned off last time
755
u32 mpc_laston_ts; /* timestamp (ms) when radio is turned off last
762
/* antsel module specific state */
764
struct wlc_info *wlc; /* pointer to main wlc structure */
765
struct wlc_pub *pub; /* pointer to public fn */
766
u8 antsel_type; /* Type of boardlevel mimo antenna switch-logic
767
* 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
769
u8 antsel_antswitch; /* board level antenna switch type */
770
bool antsel_avail; /* Ant selection availability (SROM based) */
771
wlc_antselcfg_t antcfg_11n; /* antenna configuration */
772
wlc_antselcfg_t antcfg_cur; /* current antenna config (auto) */
775
#define CHANNEL_BANDUNIT(wlc, ch) (((ch) <= CH_MAX_2G_CHANNEL) ? BAND_2G_INDEX : BAND_5G_INDEX)
776
#define OTHERBANDUNIT(wlc) ((uint)((wlc)->band->bandunit ? BAND_2G_INDEX : BAND_5G_INDEX))
778
#define IS_MBAND_UNLOCKED(wlc) \
779
((NBANDS(wlc) > 1) && !(wlc)->bandlocked)
781
#define WLC_BAND_PI_RADIO_CHANSPEC wlc_phy_chanspec_get(wlc->band->pi)
783
/* sum the individual fifo tx pending packet counts */
784
#define TXPKTPENDTOT(wlc) ((wlc)->core->txpktpend[0] + (wlc)->core->txpktpend[1] + \
785
(wlc)->core->txpktpend[2] + (wlc)->core->txpktpend[3])
786
#define TXPKTPENDGET(wlc, fifo) ((wlc)->core->txpktpend[(fifo)])
787
#define TXPKTPENDINC(wlc, fifo, val) ((wlc)->core->txpktpend[(fifo)] += (val))
788
#define TXPKTPENDDEC(wlc, fifo, val) ((wlc)->core->txpktpend[(fifo)] -= (val))
789
#define TXPKTPENDCLR(wlc, fifo) ((wlc)->core->txpktpend[(fifo)] = 0)
790
#define TXAVAIL(wlc, fifo) (*(wlc)->core->txavail[(fifo)])
791
#define GETNEXTTXP(wlc, _queue) \
792
dma_getnexttxp((wlc)->hw->di[(_queue)], HNDDMA_RANGE_TRANSMITTED)
794
#define WLC_IS_MATCH_SSID(wlc, ssid1, ssid2, len1, len2) \
795
((len1 == len2) && !memcmp(ssid1, ssid2, len1))
797
extern void wlc_high_dpc(struct wlc_info *wlc, u32 macintstatus);
798
extern void wlc_fatal_error(struct wlc_info *wlc);
799
extern void wlc_bmac_rpc_watchdog(struct wlc_info *wlc);
800
extern void wlc_recv(struct wlc_info *wlc, struct sk_buff *p);
801
extern bool wlc_dotxstatus(struct wlc_info *wlc, tx_status_t *txs, u32 frm_tx2);
802
extern void wlc_txfifo(struct wlc_info *wlc, uint fifo, struct sk_buff *p,
803
bool commit, s8 txpktpend);
804
extern void wlc_txfifo_complete(struct wlc_info *wlc, uint fifo, s8 txpktpend);
805
extern void wlc_txq_enq(void *ctx, struct scb *scb, struct sk_buff *sdu,
807
extern void wlc_info_init(struct wlc_info *wlc, int unit);
808
extern void wlc_print_txstatus(tx_status_t *txs);
809
extern int wlc_xmtfifo_sz_get(struct wlc_info *wlc, uint fifo, uint *blocks);
810
extern void wlc_write_template_ram(struct wlc_info *wlc, int offset, int len,
812
extern void wlc_write_hw_bcntemplates(struct wlc_info *wlc, void *bcn, int len,
815
extern void wlc_get_rcmta(struct wlc_info *wlc, int idx,
818
extern void wlc_set_rcmta(struct wlc_info *wlc, int idx,
820
extern void wlc_read_tsf(struct wlc_info *wlc, u32 *tsf_l_ptr,
822
extern void wlc_set_cwmin(struct wlc_info *wlc, u16 newmin);
823
extern void wlc_set_cwmax(struct wlc_info *wlc, u16 newmax);
824
extern void wlc_fifoerrors(struct wlc_info *wlc);
825
extern void wlc_pllreq(struct wlc_info *wlc, bool set, mbool req_bit);
826
extern void wlc_reset_bmac_done(struct wlc_info *wlc);
827
extern void wlc_hwtimer_gptimer_set(struct wlc_info *wlc, uint us);
828
extern void wlc_hwtimer_gptimer_abort(struct wlc_info *wlc);
831
extern void wlc_print_rxh(d11rxhdr_t *rxh);
832
extern void wlc_print_hdrs(struct wlc_info *wlc, const char *prefix, u8 *frame,
833
d11txh_t *txh, d11rxhdr_t *rxh, uint len);
834
extern void wlc_print_txdesc(d11txh_t *txh);
836
#define wlc_print_txdesc(a)
839
extern void wlc_print_dot11_mac_hdr(u8 *buf, int len);
842
extern void wlc_setxband(struct wlc_hw_info *wlc_hw, uint bandunit);
843
extern void wlc_coredisable(struct wlc_hw_info *wlc_hw);
845
extern bool wlc_valid_rate(struct wlc_info *wlc, ratespec_t rate, int band,
847
extern void wlc_ap_upd(struct wlc_info *wlc);
849
/* helper functions */
850
extern void wlc_shm_ssid_upd(struct wlc_info *wlc, struct wlc_bsscfg *cfg);
851
extern int wlc_set_gmode(struct wlc_info *wlc, u8 gmode, bool config);
853
extern void wlc_mac_bcn_promisc_change(struct wlc_info *wlc, bool promisc);
854
extern void wlc_mac_bcn_promisc(struct wlc_info *wlc);
855
extern void wlc_mac_promisc(struct wlc_info *wlc);
856
extern void wlc_txflowcontrol(struct wlc_info *wlc, struct wlc_txq_info *qi,
858
extern void wlc_txflowcontrol_override(struct wlc_info *wlc,
859
struct wlc_txq_info *qi,
860
bool on, uint override);
861
extern bool wlc_txflowcontrol_prio_isset(struct wlc_info *wlc,
862
struct wlc_txq_info *qi, int prio);
863
extern void wlc_send_q(struct wlc_info *wlc, struct wlc_txq_info *qi);
864
extern int wlc_prep_pdu(struct wlc_info *wlc, struct sk_buff *pdu, uint *fifo);
866
extern u16 wlc_calc_lsig_len(struct wlc_info *wlc, ratespec_t ratespec,
868
extern ratespec_t wlc_rspec_to_rts_rspec(struct wlc_info *wlc, ratespec_t rspec,
869
bool use_rspec, u16 mimo_ctlchbw);
870
extern u16 wlc_compute_rtscts_dur(struct wlc_info *wlc, bool cts_only,
871
ratespec_t rts_rate, ratespec_t frame_rate,
872
u8 rts_preamble_type,
873
u8 frame_preamble_type, uint frame_len,
876
extern void wlc_tbtt(struct wlc_info *wlc, d11regs_t *regs);
877
extern void wlc_inval_dma_pkts(struct wlc_hw_info *hw,
878
struct ieee80211_sta *sta,
879
void (*dma_callback_fn));
882
extern void wlc_dump_ie(struct wlc_info *wlc, bcm_tlv_t *ie,
883
struct bcmstrbuf *b);
886
extern bool wlc_ps_check(struct wlc_info *wlc);
887
extern void wlc_reprate_init(struct wlc_info *wlc);
888
extern void wlc_bsscfg_reprate_init(struct wlc_bsscfg *bsscfg);
889
extern void wlc_uint64_sub(u32 *a_high, u32 *a_low, u32 b_high,
891
extern u32 wlc_calc_tbtt_offset(u32 bi, u32 tsf_h, u32 tsf_l);
893
/* Shared memory access */
894
extern void wlc_write_shm(struct wlc_info *wlc, uint offset, u16 v);
895
extern u16 wlc_read_shm(struct wlc_info *wlc, uint offset);
896
extern void wlc_set_shm(struct wlc_info *wlc, uint offset, u16 v, int len);
897
extern void wlc_copyto_shm(struct wlc_info *wlc, uint offset, const void *buf,
899
extern void wlc_copyfrom_shm(struct wlc_info *wlc, uint offset, void *buf,
902
extern void wlc_update_beacon(struct wlc_info *wlc);
903
extern void wlc_bss_update_beacon(struct wlc_info *wlc,
904
struct wlc_bsscfg *bsscfg);
906
extern void wlc_update_probe_resp(struct wlc_info *wlc, bool suspend);
907
extern void wlc_bss_update_probe_resp(struct wlc_info *wlc,
908
struct wlc_bsscfg *cfg, bool suspend);
910
extern bool wlc_ismpc(struct wlc_info *wlc);
911
extern bool wlc_is_non_delay_mpc(struct wlc_info *wlc);
912
extern void wlc_radio_mpc_upd(struct wlc_info *wlc);
913
extern bool wlc_prec_enq(struct wlc_info *wlc, struct pktq *q, void *pkt,
915
extern bool wlc_prec_enq_head(struct wlc_info *wlc, struct pktq *q,
916
struct sk_buff *pkt, int prec, bool head);
917
extern u16 wlc_phytxctl1_calc(struct wlc_info *wlc, ratespec_t rspec);
918
extern void wlc_compute_plcp(struct wlc_info *wlc, ratespec_t rate, uint length,
920
extern uint wlc_calc_frame_time(struct wlc_info *wlc, ratespec_t ratespec,
921
u8 preamble_type, uint mac_len);
923
extern void wlc_set_chanspec(struct wlc_info *wlc, chanspec_t chanspec);
925
extern bool wlc_timers_init(struct wlc_info *wlc, int unit);
927
extern const bcm_iovar_t wlc_iovars[];
929
extern int wlc_doiovar(void *hdl, const bcm_iovar_t *vi, u32 actionid,
930
const char *name, void *params, uint p_len, void *arg,
931
int len, int val_size, struct wlc_if *wlcif);
934
extern void wlc_print_ies(struct wlc_info *wlc, u8 *ies, uint ies_len);
937
extern int wlc_set_nmode(struct wlc_info *wlc, s32 nmode);
938
extern void wlc_ht_mimops_cap_update(struct wlc_info *wlc, u8 mimops_mode);
939
extern void wlc_mimops_action_ht_send(struct wlc_info *wlc,
940
struct wlc_bsscfg *bsscfg,
943
extern void wlc_switch_shortslot(struct wlc_info *wlc, bool shortslot);
944
extern void wlc_set_bssid(struct wlc_bsscfg *cfg);
945
extern void wlc_edcf_setparams(struct wlc_bsscfg *cfg, bool suspend);
947
extern void wlc_set_ratetable(struct wlc_info *wlc);
948
extern int wlc_set_mac(struct wlc_bsscfg *cfg);
949
extern void wlc_beacon_phytxctl_txant_upd(struct wlc_info *wlc,
950
ratespec_t bcn_rate);
951
extern void wlc_mod_prb_rsp_rate_table(struct wlc_info *wlc, uint frame_len);
952
extern ratespec_t wlc_lowest_basic_rspec(struct wlc_info *wlc,
954
extern u16 wlc_compute_bcntsfoff(struct wlc_info *wlc, ratespec_t rspec,
955
bool short_preamble, bool phydelay);
956
extern void wlc_radio_disable(struct wlc_info *wlc);
957
extern void wlc_bcn_li_upd(struct wlc_info *wlc);
959
extern int wlc_get_revision_info(struct wlc_info *wlc, void *buf, uint len);
960
extern void wlc_out(struct wlc_info *wlc);
961
extern void wlc_set_home_chanspec(struct wlc_info *wlc, chanspec_t chanspec);
962
extern void wlc_watchdog_upd(struct wlc_info *wlc, bool tbtt);
963
extern bool wlc_ps_allowed(struct wlc_info *wlc);
964
extern bool wlc_stay_awake(struct wlc_info *wlc);
965
extern void wlc_wme_initparams_sta(struct wlc_info *wlc, wme_param_ie_t *pe);
967
extern void wlc_bss_list_free(struct wlc_info *wlc,
968
struct wlc_bss_list *bss_list);
969
extern void wlc_ht_mimops_cap_update(struct wlc_info *wlc, u8 mimops_mode);
added
removed
updates/cw-2.6.39/drivers/staging/brcm80211/brcmsmac/wlc_main.h
