diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/include/brcmu_wifi.h')
| -rw-r--r-- | drivers/net/wireless/brcm80211/include/brcmu_wifi.h | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/include/brcmu_wifi.h b/drivers/net/wireless/brcm80211/include/brcmu_wifi.h new file mode 100644 index 00000000000..76b5d3a8629 --- /dev/null +++ b/drivers/net/wireless/brcm80211/include/brcmu_wifi.h @@ -0,0 +1,274 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _BRCMU_WIFI_H_ +#define _BRCMU_WIFI_H_ + +#include <linux/if_ether.h> /* for ETH_ALEN */ +#include <linux/ieee80211.h> /* for WLAN_PMKID_LEN */ + +/* + * A chanspec (u16) holds the channel number, band, bandwidth and control + * sideband + */ + +/* channel defines */ +#define CH_UPPER_SB 0x01 +#define CH_LOWER_SB 0x02 +#define CH_EWA_VALID 0x04 +#define CH_30MHZ_APART 6 +#define CH_20MHZ_APART 4 +#define CH_10MHZ_APART 2 +#define CH_5MHZ_APART 1 /* 2G band channels are 5 Mhz apart */ +#define CH_MIN_2G_CHANNEL 1 +#define CH_MAX_2G_CHANNEL 14 /* Max channel in 2G band */ +#define CH_MIN_5G_CHANNEL 34 + +/* bandstate array indices */ +#define BAND_2G_INDEX 0 /* wlc->bandstate[x] index */ +#define BAND_5G_INDEX 1 /* wlc->bandstate[x] index */ + +/* + * max # supported channels. The max channel no is 216, this is that + 1 + * rounded up to a multiple of NBBY (8). DO NOT MAKE it > 255: channels are + * u8's all over +*/ +#define MAXCHANNEL 224 + +#define WL_CHANSPEC_CHAN_MASK 0x00ff +#define WL_CHANSPEC_CHAN_SHIFT 0 + +#define WL_CHANSPEC_CTL_SB_MASK 0x0300 +#define WL_CHANSPEC_CTL_SB_SHIFT 8 +#define WL_CHANSPEC_CTL_SB_LOWER 0x0100 +#define WL_CHANSPEC_CTL_SB_UPPER 0x0200 +#define WL_CHANSPEC_CTL_SB_NONE 0x0300 + +#define WL_CHANSPEC_BW_MASK 0x0C00 +#define WL_CHANSPEC_BW_SHIFT 10 +#define WL_CHANSPEC_BW_10 0x0400 +#define WL_CHANSPEC_BW_20 0x0800 +#define WL_CHANSPEC_BW_40 0x0C00 +#define WL_CHANSPEC_BW_80 0x2000 + +#define WL_CHANSPEC_BAND_MASK 0xf000 +#define WL_CHANSPEC_BAND_SHIFT 12 +#define WL_CHANSPEC_BAND_5G 0x1000 +#define WL_CHANSPEC_BAND_2G 0x2000 +#define INVCHANSPEC 255 + +#define WL_CHAN_VALID_HW (1 << 0) /* valid with current HW */ +#define WL_CHAN_VALID_SW (1 << 1) /* valid with country sett. */ +#define WL_CHAN_BAND_5G (1 << 2) /* 5GHz-band channel */ +#define WL_CHAN_RADAR (1 << 3) /* radar sensitive channel */ +#define WL_CHAN_INACTIVE (1 << 4) /* inactive due to radar */ +#define WL_CHAN_PASSIVE (1 << 5) /* channel in passive mode */ +#define WL_CHAN_RESTRICTED (1 << 6) /* restricted use channel */ + +/* values for band specific 40MHz capabilities */ +#define WLC_N_BW_20ALL 0 +#define WLC_N_BW_40ALL 1 +#define WLC_N_BW_20IN2G_40IN5G 2 + +#define WLC_BW_20MHZ_BIT BIT(0) +#define WLC_BW_40MHZ_BIT BIT(1) +#define WLC_BW_80MHZ_BIT BIT(2) +#define WLC_BW_160MHZ_BIT BIT(3) + +/* Bandwidth capabilities */ +#define WLC_BW_CAP_20MHZ (WLC_BW_20MHZ_BIT) +#define WLC_BW_CAP_40MHZ (WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT) +#define WLC_BW_CAP_80MHZ (WLC_BW_80MHZ_BIT|WLC_BW_40MHZ_BIT| \ + WLC_BW_20MHZ_BIT) +#define WLC_BW_CAP_160MHZ (WLC_BW_160MHZ_BIT|WLC_BW_80MHZ_BIT| \ + WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT) +#define WLC_BW_CAP_UNRESTRICTED 0xFF + +/* band types */ +#define WLC_BAND_AUTO 0 /* auto-select */ +#define WLC_BAND_5G 1 /* 5 Ghz */ +#define WLC_BAND_2G 2 /* 2.4 Ghz */ +#define WLC_BAND_ALL 3 /* all bands */ + +#define CHSPEC_CHANNEL(chspec) ((u8)((chspec) & WL_CHANSPEC_CHAN_MASK)) +#define CHSPEC_BAND(chspec) ((chspec) & WL_CHANSPEC_BAND_MASK) + +#define CHSPEC_CTL_SB(chspec) ((chspec) & WL_CHANSPEC_CTL_SB_MASK) +#define CHSPEC_BW(chspec) ((chspec) & WL_CHANSPEC_BW_MASK) + +#define CHSPEC_IS10(chspec) \ + (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10) + +#define CHSPEC_IS20(chspec) \ + (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20) + +#define CHSPEC_IS40(chspec) \ + (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40) + +#define CHSPEC_IS80(chspec) \ + (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80) + +#define CHSPEC_IS5G(chspec) \ + (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G) + +#define CHSPEC_IS2G(chspec) \ + (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G) + +#define CHSPEC_SB_NONE(chspec) \ + (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_NONE) + +#define CHSPEC_SB_UPPER(chspec) \ + (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER) + +#define CHSPEC_SB_LOWER(chspec) \ + (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER) + +#define CHSPEC_CTL_CHAN(chspec) \ + ((CHSPEC_SB_LOWER(chspec)) ? \ + (lower_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))) : \ + (upper_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK)))) + +#define CHSPEC2BAND(chspec) (CHSPEC_IS5G(chspec) ? BRCM_BAND_5G : BRCM_BAND_2G) + +#define CHANSPEC_STR_LEN 8 + +static inline int lower_20_sb(int channel) +{ + return channel > CH_10MHZ_APART ? (channel - CH_10MHZ_APART) : 0; +} + +static inline int upper_20_sb(int channel) +{ + return (channel < (MAXCHANNEL - CH_10MHZ_APART)) ? + channel + CH_10MHZ_APART : 0; +} + +static inline int chspec_bandunit(u16 chspec) +{ + return CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX; +} + +static inline u16 ch20mhz_chspec(int channel) +{ + u16 rc = channel <= CH_MAX_2G_CHANNEL ? + WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G; + + return (u16)((u16)channel | WL_CHANSPEC_BW_20 | + WL_CHANSPEC_CTL_SB_NONE | rc); +} + +static inline int next_20mhz_chan(int channel) +{ + return channel < (MAXCHANNEL - CH_20MHZ_APART) ? + channel + CH_20MHZ_APART : 0; +} + +/* defined rate in 500kbps */ +#define BRCM_MAXRATE 108 /* in 500kbps units */ +#define BRCM_RATE_1M 2 /* in 500kbps units */ +#define BRCM_RATE_2M 4 /* in 500kbps units */ +#define BRCM_RATE_5M5 11 /* in 500kbps units */ +#define BRCM_RATE_11M 22 /* in 500kbps units */ +#define BRCM_RATE_6M 12 /* in 500kbps units */ +#define BRCM_RATE_9M 18 /* in 500kbps units */ +#define BRCM_RATE_12M 24 /* in 500kbps units */ +#define BRCM_RATE_18M 36 /* in 500kbps units */ +#define BRCM_RATE_24M 48 /* in 500kbps units */ +#define BRCM_RATE_36M 72 /* in 500kbps units */ +#define BRCM_RATE_48M 96 /* in 500kbps units */ +#define BRCM_RATE_54M 108 /* in 500kbps units */ + +#define BRCM_2G_25MHZ_OFFSET 5 /* 2.4GHz band channel offset */ + +#define MCSSET_LEN 16 + +static inline bool ac_bitmap_tst(u8 bitmap, int prec) +{ + return (bitmap & (1 << (prec))) != 0; +} + +/* Enumerate crypto algorithms */ +#define CRYPTO_ALGO_OFF 0 +#define CRYPTO_ALGO_WEP1 1 +#define CRYPTO_ALGO_TKIP 2 +#define CRYPTO_ALGO_WEP128 3 +#define CRYPTO_ALGO_AES_CCM 4 +#define CRYPTO_ALGO_AES_RESERVED1 5 +#define CRYPTO_ALGO_AES_RESERVED2 6 +#define CRYPTO_ALGO_NALG 7 + +/* wireless security bitvec */ + +#define WEP_ENABLED 0x0001 +#define TKIP_ENABLED 0x0002 +#define AES_ENABLED 0x0004 +#define WSEC_SWFLAG 0x0008 +/* to go into transition mode without setting wep */ +#define SES_OW_ENABLED 0x0040 +/* MFP */ +#define MFP_CAPABLE 0x0200 +#define MFP_REQUIRED 0x0400 + +/* WPA authentication mode bitvec */ +#define WPA_AUTH_DISABLED 0x0000 /* Legacy (i.e., non-WPA) */ +#define WPA_AUTH_NONE 0x0001 /* none (IBSS) */ +#define WPA_AUTH_UNSPECIFIED 0x0002 /* over 802.1x */ +#define WPA_AUTH_PSK 0x0004 /* Pre-shared key */ +#define WPA_AUTH_RESERVED1 0x0008 +#define WPA_AUTH_RESERVED2 0x0010 + +#define WPA2_AUTH_RESERVED1 0x0020 +#define WPA2_AUTH_UNSPECIFIED 0x0040 /* over 802.1x */ +#define WPA2_AUTH_PSK 0x0080 /* Pre-shared key */ +#define WPA2_AUTH_RESERVED3 0x0200 +#define WPA2_AUTH_RESERVED4 0x0400 +#define WPA2_AUTH_RESERVED5 0x0800 + +/* pmkid */ +#define MAXPMKID 16 + +#define DOT11_DEFAULT_RTS_LEN 2347 +#define DOT11_DEFAULT_FRAG_LEN 2346 + +#define DOT11_ICV_AES_LEN 8 +#define DOT11_QOS_LEN 2 +#define DOT11_IV_MAX_LEN 8 +#define DOT11_A4_HDR_LEN 30 + +#define HT_CAP_RX_STBC_NO 0x0 +#define HT_CAP_RX_STBC_ONE_STREAM 0x1 + +struct pmkid { + u8 BSSID[ETH_ALEN]; + u8 PMKID[WLAN_PMKID_LEN]; +}; + +struct pmkid_list { + __le32 npmkid; + struct pmkid pmkid[1]; +}; + +struct pmkid_cand { + u8 BSSID[ETH_ALEN]; + u8 preauth; +}; + +struct pmkid_cand_list { + u32 npmkid_cand; + struct pmkid_cand pmkid_cand[1]; +}; + +#endif /* _BRCMU_WIFI_H_ */ |