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/*
* 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_20MHZ_APART 4
#define CH_10MHZ_APART 2
#define CH_5MHZ_APART 1 /* 2G band channels are 5 Mhz apart */
#define CH_MAX_2G_CHANNEL 14 /* Max channel in 2G band */
#define BRCM_MAX_2G_CHANNEL CH_MAX_2G_CHANNEL /* legacy define */
/* 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_BAND_MASK 0xf000
#define WL_CHANSPEC_BAND_SHIFT 12
#define WL_CHANSPEC_BAND_5G 0x1000
#define WL_CHANSPEC_BAND_2G 0x2000
#define INVCHANSPEC 255
/* used to calculate the chan_freq = chan_factor * 500Mhz + 5 * chan_number */
#define WF_CHAN_FACTOR_2_4_G 4814 /* 2.4 GHz band, 2407 MHz */
#define WF_CHAN_FACTOR_5_G 10000 /* 5 GHz band, 5000 MHz */
#define WF_CHAN_FACTOR_4_G 8000 /* 4.9 GHz band for Japan */
#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)
#ifndef CHSPEC_IS40
#define CHSPEC_IS40(chspec) \
(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
#endif
#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
/* 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_ */
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