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 8 138 139 static inline int lower_20_sb(int channel) 140 { 141 return channel > CH_10MHZ_APART ? (channel - CH_10MHZ_APART) : 0; 142 } 143 144 static inline int upper_20_sb(int channel) 145 { 146 return (channel < (MAXCHANNEL - CH_10MHZ_APART)) ? 147 channel + CH_10MHZ_APART : 0; 148 } 149 150 static inline int chspec_bandunit(u16 chspec) 151 { 152 return CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX; 153 } 154 155 static 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 } 163 164 static 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 16 188 189 static 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