linux/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
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   1// SPDX-License-Identifier: ISC
   2/*
   3 * Copyright (c) 2010 Broadcom Corporation
   4 */
   5
   6#ifndef _BRCMU_WIFI_H_
   7#define _BRCMU_WIFI_H_
   8
   9#include <linux/if_ether.h>             /* for ETH_ALEN */
  10#include <linux/ieee80211.h>            /* for WLAN_PMKID_LEN */
  11
  12/*
  13 * A chanspec (u16) holds the channel number, band, bandwidth and control
  14 * sideband
  15 */
  16
  17/* channel defines */
  18#define CH_UPPER_SB                     0x01
  19#define CH_LOWER_SB                     0x02
  20#define CH_EWA_VALID                    0x04
  21#define CH_70MHZ_APART                  14
  22#define CH_50MHZ_APART                  10
  23#define CH_30MHZ_APART                  6
  24#define CH_20MHZ_APART                  4
  25#define CH_10MHZ_APART                  2
  26#define CH_5MHZ_APART                   1 /* 2G band channels are 5 Mhz apart */
  27#define CH_MIN_2G_CHANNEL               1
  28#define CH_MAX_2G_CHANNEL               14      /* Max channel in 2G band */
  29#define CH_MIN_5G_CHANNEL               34
  30
  31/* bandstate array indices */
  32#define BAND_2G_INDEX           0       /* wlc->bandstate[x] index */
  33#define BAND_5G_INDEX           1       /* wlc->bandstate[x] index */
  34
  35/*
  36 * max # supported channels. The max channel no is 216, this is that + 1
  37 * rounded up to a multiple of NBBY (8). DO NOT MAKE it > 255: channels are
  38 * u8's all over
  39*/
  40#define MAXCHANNEL              224
  41
  42#define WL_CHANSPEC_CHAN_MASK           0x00ff
  43#define WL_CHANSPEC_CHAN_SHIFT          0
  44
  45#define WL_CHANSPEC_CTL_SB_MASK         0x0300
  46#define WL_CHANSPEC_CTL_SB_SHIFT             8
  47#define WL_CHANSPEC_CTL_SB_LOWER        0x0100
  48#define WL_CHANSPEC_CTL_SB_UPPER        0x0200
  49#define WL_CHANSPEC_CTL_SB_NONE         0x0300
  50
  51#define WL_CHANSPEC_BW_MASK             0x0C00
  52#define WL_CHANSPEC_BW_SHIFT                10
  53#define WL_CHANSPEC_BW_10               0x0400
  54#define WL_CHANSPEC_BW_20               0x0800
  55#define WL_CHANSPEC_BW_40               0x0C00
  56#define WL_CHANSPEC_BW_80               0x2000
  57
  58#define WL_CHANSPEC_BAND_MASK           0xf000
  59#define WL_CHANSPEC_BAND_SHIFT          12
  60#define WL_CHANSPEC_BAND_5G             0x1000
  61#define WL_CHANSPEC_BAND_2G             0x2000
  62#define INVCHANSPEC                     255
  63
  64#define WL_CHAN_VALID_HW                (1 << 0) /* valid with current HW */
  65#define WL_CHAN_VALID_SW                (1 << 1) /* valid with country sett. */
  66#define WL_CHAN_BAND_5G                 (1 << 2) /* 5GHz-band channel */
  67#define WL_CHAN_RADAR                   (1 << 3) /* radar sensitive  channel */
  68#define WL_CHAN_INACTIVE                (1 << 4) /* inactive due to radar */
  69#define WL_CHAN_PASSIVE                 (1 << 5) /* channel in passive mode */
  70#define WL_CHAN_RESTRICTED              (1 << 6) /* restricted use channel */
  71
  72/* values for band specific 40MHz capabilities  */
  73#define WLC_N_BW_20ALL                  0
  74#define WLC_N_BW_40ALL                  1
  75#define WLC_N_BW_20IN2G_40IN5G          2
  76
  77#define WLC_BW_20MHZ_BIT                BIT(0)
  78#define WLC_BW_40MHZ_BIT                BIT(1)
  79#define WLC_BW_80MHZ_BIT                BIT(2)
  80#define WLC_BW_160MHZ_BIT               BIT(3)
  81
  82/* Bandwidth capabilities */
  83#define WLC_BW_CAP_20MHZ                (WLC_BW_20MHZ_BIT)
  84#define WLC_BW_CAP_40MHZ                (WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT)
  85#define WLC_BW_CAP_80MHZ                (WLC_BW_80MHZ_BIT|WLC_BW_40MHZ_BIT| \
  86                                         WLC_BW_20MHZ_BIT)
  87#define WLC_BW_CAP_160MHZ               (WLC_BW_160MHZ_BIT|WLC_BW_80MHZ_BIT| \
  88                                         WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT)
  89#define WLC_BW_CAP_UNRESTRICTED         0xFF
  90
  91/* band types */
  92#define WLC_BAND_AUTO                   0       /* auto-select */
  93#define WLC_BAND_5G                     1       /* 5 Ghz */
  94#define WLC_BAND_2G                     2       /* 2.4 Ghz */
  95#define WLC_BAND_ALL                    3       /* all bands */
  96
  97#define CHSPEC_CHANNEL(chspec)  ((u8)((chspec) & WL_CHANSPEC_CHAN_MASK))
  98#define CHSPEC_BAND(chspec)     ((chspec) & WL_CHANSPEC_BAND_MASK)
  99
 100#define CHSPEC_CTL_SB(chspec)   ((chspec) & WL_CHANSPEC_CTL_SB_MASK)
 101#define CHSPEC_BW(chspec)       ((chspec) & WL_CHANSPEC_BW_MASK)
 102
 103#define CHSPEC_IS10(chspec) \
 104        (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10)
 105
 106#define CHSPEC_IS20(chspec) \
 107        (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20)
 108
 109#define CHSPEC_IS40(chspec) \
 110        (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
 111
 112#define CHSPEC_IS80(chspec) \
 113        (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80)
 114
 115#define CHSPEC_IS5G(chspec) \
 116        (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G)
 117
 118#define CHSPEC_IS2G(chspec) \
 119        (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G)
 120
 121#define CHSPEC_SB_NONE(chspec) \
 122        (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_NONE)
 123
 124#define CHSPEC_SB_UPPER(chspec) \
 125        (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER)
 126
 127#define CHSPEC_SB_LOWER(chspec) \
 128        (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER)
 129
 130#define CHSPEC_CTL_CHAN(chspec) \
 131        ((CHSPEC_SB_LOWER(chspec)) ? \
 132        (lower_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))) : \
 133        (upper_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))))
 134
 135#define CHSPEC2BAND(chspec) (CHSPEC_IS5G(chspec) ? BRCM_BAND_5G : BRCM_BAND_2G)
 136
 137#define CHANSPEC_STR_LEN    8
 138
 139static inline int lower_20_sb(int channel)
 140{
 141        return channel > CH_10MHZ_APART ? (channel - CH_10MHZ_APART) : 0;
 142}
 143
 144static inline int upper_20_sb(int channel)
 145{
 146        return (channel < (MAXCHANNEL - CH_10MHZ_APART)) ?
 147               channel + CH_10MHZ_APART : 0;
 148}
 149
 150static inline int chspec_bandunit(u16 chspec)
 151{
 152        return CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX;
 153}
 154
 155static inline u16 ch20mhz_chspec(int channel)
 156{
 157        u16 rc = channel <= CH_MAX_2G_CHANNEL ?
 158                 WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G;
 159
 160        return  (u16)((u16)channel | WL_CHANSPEC_BW_20 |
 161                      WL_CHANSPEC_CTL_SB_NONE | rc);
 162}
 163
 164static inline int next_20mhz_chan(int channel)
 165{
 166        return channel < (MAXCHANNEL - CH_20MHZ_APART) ?
 167               channel + CH_20MHZ_APART : 0;
 168}
 169
 170/* defined rate in 500kbps */
 171#define BRCM_MAXRATE    108     /* in 500kbps units */
 172#define BRCM_RATE_1M    2       /* in 500kbps units */
 173#define BRCM_RATE_2M    4       /* in 500kbps units */
 174#define BRCM_RATE_5M5   11      /* in 500kbps units */
 175#define BRCM_RATE_11M   22      /* in 500kbps units */
 176#define BRCM_RATE_6M    12      /* in 500kbps units */
 177#define BRCM_RATE_9M    18      /* in 500kbps units */
 178#define BRCM_RATE_12M   24      /* in 500kbps units */
 179#define BRCM_RATE_18M   36      /* in 500kbps units */
 180#define BRCM_RATE_24M   48      /* in 500kbps units */
 181#define BRCM_RATE_36M   72      /* in 500kbps units */
 182#define BRCM_RATE_48M   96      /* in 500kbps units */
 183#define BRCM_RATE_54M   108     /* in 500kbps units */
 184
 185#define BRCM_2G_25MHZ_OFFSET            5       /* 2.4GHz band channel offset */
 186
 187#define MCSSET_LEN      16
 188
 189static inline bool ac_bitmap_tst(u8 bitmap, int prec)
 190{
 191        return (bitmap & (1 << (prec))) != 0;
 192}
 193
 194/* Enumerate crypto algorithms */
 195#define CRYPTO_ALGO_OFF                 0
 196#define CRYPTO_ALGO_WEP1                1
 197#define CRYPTO_ALGO_TKIP                2
 198#define CRYPTO_ALGO_WEP128              3
 199#define CRYPTO_ALGO_AES_CCM             4
 200#define CRYPTO_ALGO_AES_RESERVED1       5
 201#define CRYPTO_ALGO_AES_RESERVED2       6
 202#define CRYPTO_ALGO_NALG                7
 203
 204/* wireless security bitvec */
 205
 206#define WEP_ENABLED             0x0001
 207#define TKIP_ENABLED            0x0002
 208#define AES_ENABLED             0x0004
 209#define WSEC_SWFLAG             0x0008
 210/* to go into transition mode without setting wep */
 211#define SES_OW_ENABLED          0x0040
 212/* MFP */
 213#define MFP_CAPABLE             0x0200
 214#define MFP_REQUIRED            0x0400
 215
 216/* WPA authentication mode bitvec */
 217#define WPA_AUTH_DISABLED       0x0000  /* Legacy (i.e., non-WPA) */
 218#define WPA_AUTH_NONE           0x0001  /* none (IBSS) */
 219#define WPA_AUTH_UNSPECIFIED    0x0002  /* over 802.1x */
 220#define WPA_AUTH_PSK            0x0004  /* Pre-shared key */
 221#define WPA_AUTH_RESERVED1      0x0008
 222#define WPA_AUTH_RESERVED2      0x0010
 223
 224#define WPA2_AUTH_RESERVED1     0x0020
 225#define WPA2_AUTH_UNSPECIFIED   0x0040  /* over 802.1x */
 226#define WPA2_AUTH_PSK           0x0080  /* Pre-shared key */
 227#define WPA2_AUTH_RESERVED3     0x0200
 228#define WPA2_AUTH_RESERVED4     0x0400
 229#define WPA2_AUTH_RESERVED5     0x0800
 230#define WPA2_AUTH_1X_SHA256     0x1000  /* 1X with SHA256 key derivation */
 231#define WPA2_AUTH_FT            0x4000  /* Fast BSS Transition */
 232#define WPA2_AUTH_PSK_SHA256    0x8000  /* PSK with SHA256 key derivation */
 233
 234#define WPA3_AUTH_SAE_PSK       0x40000 /* SAE with 4-way handshake */
 235
 236#define DOT11_DEFAULT_RTS_LEN           2347
 237#define DOT11_DEFAULT_FRAG_LEN          2346
 238
 239#define DOT11_ICV_AES_LEN               8
 240#define DOT11_QOS_LEN                   2
 241#define DOT11_IV_MAX_LEN                8
 242#define DOT11_A4_HDR_LEN                30
 243
 244#define HT_CAP_RX_STBC_NO               0x0
 245#define HT_CAP_RX_STBC_ONE_STREAM       0x1
 246
 247#endif                          /* _BRCMU_WIFI_H_ */
 248