254 lines
8.0 KiB
C
254 lines
8.0 KiB
C
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/*
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* Copyright (c) 2010 Broadcom Corporation
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*
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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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*
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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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*/
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#ifndef _BRCMU_WIFI_H_
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#define _BRCMU_WIFI_H_
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#include <linux/if_ether.h> /* for ETH_ALEN */
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#include <linux/ieee80211.h> /* for WLAN_PMKID_LEN */
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/*
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* A chanspec (u16) holds the channel number, band, bandwidth and control
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* sideband
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*/
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/* channel defines */
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#define CH_UPPER_SB 0x01
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#define CH_LOWER_SB 0x02
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#define CH_EWA_VALID 0x04
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#define CH_30MHZ_APART 6
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#define CH_20MHZ_APART 4
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#define CH_10MHZ_APART 2
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#define CH_5MHZ_APART 1 /* 2G band channels are 5 Mhz apart */
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#define CH_MIN_2G_CHANNEL 1
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#define CH_MAX_2G_CHANNEL 14 /* Max channel in 2G band */
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#define CH_MIN_5G_CHANNEL 34
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/* bandstate array indices */
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#define BAND_2G_INDEX 0 /* wlc->bandstate[x] index */
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#define BAND_5G_INDEX 1 /* wlc->bandstate[x] index */
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/*
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* max # supported channels. The max channel no is 216, this is that + 1
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* rounded up to a multiple of NBBY (8). DO NOT MAKE it > 255: channels are
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* u8's all over
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*/
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#define MAXCHANNEL 224
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#define WL_CHANSPEC_CHAN_MASK 0x00ff
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#define WL_CHANSPEC_CHAN_SHIFT 0
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#define WL_CHANSPEC_CTL_SB_MASK 0x0300
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#define WL_CHANSPEC_CTL_SB_SHIFT 8
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#define WL_CHANSPEC_CTL_SB_LOWER 0x0100
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#define WL_CHANSPEC_CTL_SB_UPPER 0x0200
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#define WL_CHANSPEC_CTL_SB_NONE 0x0300
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#define WL_CHANSPEC_BW_MASK 0x0C00
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#define WL_CHANSPEC_BW_SHIFT 10
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#define WL_CHANSPEC_BW_10 0x0400
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#define WL_CHANSPEC_BW_20 0x0800
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#define WL_CHANSPEC_BW_40 0x0C00
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#define WL_CHANSPEC_BW_80 0x2000
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#define WL_CHANSPEC_BAND_MASK 0xf000
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#define WL_CHANSPEC_BAND_SHIFT 12
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#define WL_CHANSPEC_BAND_5G 0x1000
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#define WL_CHANSPEC_BAND_2G 0x2000
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#define INVCHANSPEC 255
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#define WL_CHAN_VALID_HW (1 << 0) /* valid with current HW */
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#define WL_CHAN_VALID_SW (1 << 1) /* valid with country sett. */
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#define WL_CHAN_BAND_5G (1 << 2) /* 5GHz-band channel */
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#define WL_CHAN_RADAR (1 << 3) /* radar sensitive channel */
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#define WL_CHAN_INACTIVE (1 << 4) /* inactive due to radar */
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#define WL_CHAN_PASSIVE (1 << 5) /* channel in passive mode */
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#define WL_CHAN_RESTRICTED (1 << 6) /* restricted use channel */
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/* values for band specific 40MHz capabilities */
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#define WLC_N_BW_20ALL 0
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#define WLC_N_BW_40ALL 1
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#define WLC_N_BW_20IN2G_40IN5G 2
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#define WLC_BW_20MHZ_BIT BIT(0)
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#define WLC_BW_40MHZ_BIT BIT(1)
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#define WLC_BW_80MHZ_BIT BIT(2)
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#define WLC_BW_160MHZ_BIT BIT(3)
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/* Bandwidth capabilities */
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#define WLC_BW_CAP_20MHZ (WLC_BW_20MHZ_BIT)
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#define WLC_BW_CAP_40MHZ (WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT)
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#define WLC_BW_CAP_80MHZ (WLC_BW_80MHZ_BIT|WLC_BW_40MHZ_BIT| \
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WLC_BW_20MHZ_BIT)
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#define WLC_BW_CAP_160MHZ (WLC_BW_160MHZ_BIT|WLC_BW_80MHZ_BIT| \
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WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT)
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#define WLC_BW_CAP_UNRESTRICTED 0xFF
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/* band types */
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#define WLC_BAND_AUTO 0 /* auto-select */
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#define WLC_BAND_5G 1 /* 5 Ghz */
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#define WLC_BAND_2G 2 /* 2.4 Ghz */
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#define WLC_BAND_ALL 3 /* all bands */
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#define CHSPEC_CHANNEL(chspec) ((u8)((chspec) & WL_CHANSPEC_CHAN_MASK))
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#define CHSPEC_BAND(chspec) ((chspec) & WL_CHANSPEC_BAND_MASK)
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#define CHSPEC_CTL_SB(chspec) ((chspec) & WL_CHANSPEC_CTL_SB_MASK)
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#define CHSPEC_BW(chspec) ((chspec) & WL_CHANSPEC_BW_MASK)
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#define CHSPEC_IS10(chspec) \
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(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10)
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#define CHSPEC_IS20(chspec) \
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(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20)
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#define CHSPEC_IS40(chspec) \
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(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
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#define CHSPEC_IS80(chspec) \
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(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80)
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#define CHSPEC_IS5G(chspec) \
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(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G)
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#define CHSPEC_IS2G(chspec) \
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(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G)
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#define CHSPEC_SB_NONE(chspec) \
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(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_NONE)
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#define CHSPEC_SB_UPPER(chspec) \
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(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER)
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#define CHSPEC_SB_LOWER(chspec) \
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(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER)
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#define CHSPEC_CTL_CHAN(chspec) \
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((CHSPEC_SB_LOWER(chspec)) ? \
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(lower_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))) : \
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(upper_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))))
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#define CHSPEC2BAND(chspec) (CHSPEC_IS5G(chspec) ? BRCM_BAND_5G : BRCM_BAND_2G)
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#define CHANSPEC_STR_LEN 8
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static inline int lower_20_sb(int channel)
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{
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return channel > CH_10MHZ_APART ? (channel - CH_10MHZ_APART) : 0;
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}
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static inline int upper_20_sb(int channel)
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{
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return (channel < (MAXCHANNEL - CH_10MHZ_APART)) ?
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channel + CH_10MHZ_APART : 0;
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}
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static inline int chspec_bandunit(u16 chspec)
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{
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return CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX;
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}
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static inline u16 ch20mhz_chspec(int channel)
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{
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u16 rc = channel <= CH_MAX_2G_CHANNEL ?
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WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G;
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return (u16)((u16)channel | WL_CHANSPEC_BW_20 |
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WL_CHANSPEC_CTL_SB_NONE | rc);
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}
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static inline int next_20mhz_chan(int channel)
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{
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return channel < (MAXCHANNEL - CH_20MHZ_APART) ?
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channel + CH_20MHZ_APART : 0;
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}
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/* defined rate in 500kbps */
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#define BRCM_MAXRATE 108 /* in 500kbps units */
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#define BRCM_RATE_1M 2 /* in 500kbps units */
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#define BRCM_RATE_2M 4 /* in 500kbps units */
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#define BRCM_RATE_5M5 11 /* in 500kbps units */
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#define BRCM_RATE_11M 22 /* in 500kbps units */
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#define BRCM_RATE_6M 12 /* in 500kbps units */
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#define BRCM_RATE_9M 18 /* in 500kbps units */
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#define BRCM_RATE_12M 24 /* in 500kbps units */
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#define BRCM_RATE_18M 36 /* in 500kbps units */
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#define BRCM_RATE_24M 48 /* in 500kbps units */
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#define BRCM_RATE_36M 72 /* in 500kbps units */
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#define BRCM_RATE_48M 96 /* in 500kbps units */
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#define BRCM_RATE_54M 108 /* in 500kbps units */
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#define BRCM_2G_25MHZ_OFFSET 5 /* 2.4GHz band channel offset */
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#define MCSSET_LEN 16
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static inline bool ac_bitmap_tst(u8 bitmap, int prec)
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{
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return (bitmap & (1 << (prec))) != 0;
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}
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/* Enumerate crypto algorithms */
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#define CRYPTO_ALGO_OFF 0
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#define CRYPTO_ALGO_WEP1 1
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#define CRYPTO_ALGO_TKIP 2
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#define CRYPTO_ALGO_WEP128 3
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#define CRYPTO_ALGO_AES_CCM 4
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#define CRYPTO_ALGO_AES_RESERVED1 5
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#define CRYPTO_ALGO_AES_RESERVED2 6
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#define CRYPTO_ALGO_NALG 7
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/* wireless security bitvec */
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#define WEP_ENABLED 0x0001
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#define TKIP_ENABLED 0x0002
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#define AES_ENABLED 0x0004
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#define WSEC_SWFLAG 0x0008
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/* to go into transition mode without setting wep */
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#define SES_OW_ENABLED 0x0040
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/* MFP */
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#define MFP_CAPABLE 0x0200
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#define MFP_REQUIRED 0x0400
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/* WPA authentication mode bitvec */
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#define WPA_AUTH_DISABLED 0x0000 /* Legacy (i.e., non-WPA) */
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#define WPA_AUTH_NONE 0x0001 /* none (IBSS) */
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#define WPA_AUTH_UNSPECIFIED 0x0002 /* over 802.1x */
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#define WPA_AUTH_PSK 0x0004 /* Pre-shared key */
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#define WPA_AUTH_RESERVED1 0x0008
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#define WPA_AUTH_RESERVED2 0x0010
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#define WPA2_AUTH_RESERVED1 0x0020
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#define WPA2_AUTH_UNSPECIFIED 0x0040 /* over 802.1x */
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#define WPA2_AUTH_PSK 0x0080 /* Pre-shared key */
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#define WPA2_AUTH_RESERVED3 0x0200
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#define WPA2_AUTH_RESERVED4 0x0400
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#define WPA2_AUTH_RESERVED5 0x0800
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#define WPA2_AUTH_1X_SHA256 0x1000 /* 1X with SHA256 key derivation */
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#define WPA2_AUTH_PSK_SHA256 0x8000 /* PSK with SHA256 key derivation */
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#define DOT11_DEFAULT_RTS_LEN 2347
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#define DOT11_DEFAULT_FRAG_LEN 2346
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#define DOT11_ICV_AES_LEN 8
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#define DOT11_QOS_LEN 2
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#define DOT11_IV_MAX_LEN 8
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#define DOT11_A4_HDR_LEN 30
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#define HT_CAP_RX_STBC_NO 0x0
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#define HT_CAP_RX_STBC_ONE_STREAM 0x1
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#endif /* _BRCMU_WIFI_H_ */
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