1 /* 2 * Copyright (c) 2010 Broadcom Corporation 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef _BRCMU_WIFI_H_ 18 #define _BRCMU_WIFI_H_ 19 20 #include <linux/if_ether.h> /* for ETH_ALEN */ 21 #include <linux/ieee80211.h> /* for WLAN_PMKID_LEN */ 22 23 /* 24 * A chanspec (u16) holds the channel number, band, bandwidth and control 25 * sideband 26 */ 27 28 /* channel defines */ 29 #define CH_UPPER_SB 0x01 30 #define CH_LOWER_SB 0x02 31 #define CH_EWA_VALID 0x04 32 #define CH_30MHZ_APART 6 33 #define CH_20MHZ_APART 4 34 #define CH_10MHZ_APART 2 35 #define CH_5MHZ_APART 1 /* 2G band channels are 5 Mhz apart */ 36 #define CH_MIN_2G_CHANNEL 1 37 #define CH_MAX_2G_CHANNEL 14 /* Max channel in 2G band */ 38 #define CH_MIN_5G_CHANNEL 34 39 40 /* bandstate array indices */ 41 #define BAND_2G_INDEX 0 /* wlc->bandstate[x] index */ 42 #define BAND_5G_INDEX 1 /* wlc->bandstate[x] index */ 43 44 /* 45 * max # supported channels. The max channel no is 216, this is that + 1 46 * rounded up to a multiple of NBBY (8). DO NOT MAKE it > 255: channels are 47 * u8's all over 48 */ 49 #define MAXCHANNEL 224 50 51 #define WL_CHANSPEC_CHAN_MASK 0x00ff 52 #define WL_CHANSPEC_CHAN_SHIFT 0 53 54 #define WL_CHANSPEC_CTL_SB_MASK 0x0300 55 #define WL_CHANSPEC_CTL_SB_SHIFT 8 56 #define WL_CHANSPEC_CTL_SB_LOWER 0x0100 57 #define WL_CHANSPEC_CTL_SB_UPPER 0x0200 58 #define WL_CHANSPEC_CTL_SB_NONE 0x0300 59 60 #define WL_CHANSPEC_BW_MASK 0x0C00 61 #define WL_CHANSPEC_BW_SHIFT 10 62 #define WL_CHANSPEC_BW_10 0x0400 63 #define WL_CHANSPEC_BW_20 0x0800 64 #define WL_CHANSPEC_BW_40 0x0C00 65 #define WL_CHANSPEC_BW_80 0x2000 66 67 #define WL_CHANSPEC_BAND_MASK 0xf000 68 #define WL_CHANSPEC_BAND_SHIFT 12 69 #define WL_CHANSPEC_BAND_5G 0x1000 70 #define WL_CHANSPEC_BAND_2G 0x2000 71 #define INVCHANSPEC 255 72 73 #define WL_CHAN_VALID_HW (1 << 0) /* valid with current HW */ 74 #define WL_CHAN_VALID_SW (1 << 1) /* valid with country sett. */ 75 #define WL_CHAN_BAND_5G (1 << 2) /* 5GHz-band channel */ 76 #define WL_CHAN_RADAR (1 << 3) /* radar sensitive channel */ 77 #define WL_CHAN_INACTIVE (1 << 4) /* inactive due to radar */ 78 #define WL_CHAN_PASSIVE (1 << 5) /* channel in passive mode */ 79 #define WL_CHAN_RESTRICTED (1 << 6) /* restricted use channel */ 80 81 /* values for band specific 40MHz capabilities */ 82 #define WLC_N_BW_20ALL 0 83 #define WLC_N_BW_40ALL 1 84 #define WLC_N_BW_20IN2G_40IN5G 2 85 86 #define WLC_BW_20MHZ_BIT BIT(0) 87 #define WLC_BW_40MHZ_BIT BIT(1) 88 #define WLC_BW_80MHZ_BIT BIT(2) 89 #define WLC_BW_160MHZ_BIT BIT(3) 90 91 /* Bandwidth capabilities */ 92 #define WLC_BW_CAP_20MHZ (WLC_BW_20MHZ_BIT) 93 #define WLC_BW_CAP_40MHZ (WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT) 94 #define WLC_BW_CAP_80MHZ (WLC_BW_80MHZ_BIT|WLC_BW_40MHZ_BIT| \ 95 WLC_BW_20MHZ_BIT) 96 #define WLC_BW_CAP_160MHZ (WLC_BW_160MHZ_BIT|WLC_BW_80MHZ_BIT| \ 97 WLC_BW_40MHZ_BIT|WLC_BW_20MHZ_BIT) 98 #define WLC_BW_CAP_UNRESTRICTED 0xFF 99 100 /* band types */ 101 #define WLC_BAND_AUTO 0 /* auto-select */ 102 #define WLC_BAND_5G 1 /* 5 Ghz */ 103 #define WLC_BAND_2G 2 /* 2.4 Ghz */ 104 #define WLC_BAND_ALL 3 /* all bands */ 105 106 #define CHSPEC_CHANNEL(chspec) ((u8)((chspec) & WL_CHANSPEC_CHAN_MASK)) 107 #define CHSPEC_BAND(chspec) ((chspec) & WL_CHANSPEC_BAND_MASK) 108 109 #define CHSPEC_CTL_SB(chspec) ((chspec) & WL_CHANSPEC_CTL_SB_MASK) 110 #define CHSPEC_BW(chspec) ((chspec) & WL_CHANSPEC_BW_MASK) 111 112 #define CHSPEC_IS10(chspec) \ 113 (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10) 114 115 #define CHSPEC_IS20(chspec) \ 116 (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20) 117 118 #define CHSPEC_IS40(chspec) \ 119 (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40) 120 121 #define CHSPEC_IS80(chspec) \ 122 (((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80) 123 124 #define CHSPEC_IS5G(chspec) \ 125 (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G) 126 127 #define CHSPEC_IS2G(chspec) \ 128 (((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G) 129 130 #define CHSPEC_SB_NONE(chspec) \ 131 (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_NONE) 132 133 #define CHSPEC_SB_UPPER(chspec) \ 134 (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER) 135 136 #define CHSPEC_SB_LOWER(chspec) \ 137 (((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER) 138 139 #define CHSPEC_CTL_CHAN(chspec) \ 140 ((CHSPEC_SB_LOWER(chspec)) ? \ 141 (lower_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK))) : \ 142 (upper_20_sb(((chspec) & WL_CHANSPEC_CHAN_MASK)))) 143 144 #define CHSPEC2BAND(chspec) (CHSPEC_IS5G(chspec) ? BRCM_BAND_5G : BRCM_BAND_2G) 145 146 #define CHANSPEC_STR_LEN 8 147 148 static inline int lower_20_sb(int channel) 149 { 150 return channel > CH_10MHZ_APART ? (channel - CH_10MHZ_APART) : 0; 151 } 152 153 static inline int upper_20_sb(int channel) 154 { 155 return (channel < (MAXCHANNEL - CH_10MHZ_APART)) ? 156 channel + CH_10MHZ_APART : 0; 157 } 158 159 static inline int chspec_bandunit(u16 chspec) 160 { 161 return CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX; 162 } 163 164 static inline u16 ch20mhz_chspec(int channel) 165 { 166 u16 rc = channel <= CH_MAX_2G_CHANNEL ? 167 WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G; 168 169 return (u16)((u16)channel | WL_CHANSPEC_BW_20 | 170 WL_CHANSPEC_CTL_SB_NONE | rc); 171 } 172 173 static inline int next_20mhz_chan(int channel) 174 { 175 return channel < (MAXCHANNEL - CH_20MHZ_APART) ? 176 channel + CH_20MHZ_APART : 0; 177 } 178 179 /* defined rate in 500kbps */ 180 #define BRCM_MAXRATE 108 /* in 500kbps units */ 181 #define BRCM_RATE_1M 2 /* in 500kbps units */ 182 #define BRCM_RATE_2M 4 /* in 500kbps units */ 183 #define BRCM_RATE_5M5 11 /* in 500kbps units */ 184 #define BRCM_RATE_11M 22 /* in 500kbps units */ 185 #define BRCM_RATE_6M 12 /* in 500kbps units */ 186 #define BRCM_RATE_9M 18 /* in 500kbps units */ 187 #define BRCM_RATE_12M 24 /* in 500kbps units */ 188 #define BRCM_RATE_18M 36 /* in 500kbps units */ 189 #define BRCM_RATE_24M 48 /* in 500kbps units */ 190 #define BRCM_RATE_36M 72 /* in 500kbps units */ 191 #define BRCM_RATE_48M 96 /* in 500kbps units */ 192 #define BRCM_RATE_54M 108 /* in 500kbps units */ 193 194 #define BRCM_2G_25MHZ_OFFSET 5 /* 2.4GHz band channel offset */ 195 196 #define MCSSET_LEN 16 197 198 static inline bool ac_bitmap_tst(u8 bitmap, int prec) 199 { 200 return (bitmap & (1 << (prec))) != 0; 201 } 202 203 /* Enumerate crypto algorithms */ 204 #define CRYPTO_ALGO_OFF 0 205 #define CRYPTO_ALGO_WEP1 1 206 #define CRYPTO_ALGO_TKIP 2 207 #define CRYPTO_ALGO_WEP128 3 208 #define CRYPTO_ALGO_AES_CCM 4 209 #define CRYPTO_ALGO_AES_RESERVED1 5 210 #define CRYPTO_ALGO_AES_RESERVED2 6 211 #define CRYPTO_ALGO_NALG 7 212 213 /* wireless security bitvec */ 214 215 #define WEP_ENABLED 0x0001 216 #define TKIP_ENABLED 0x0002 217 #define AES_ENABLED 0x0004 218 #define WSEC_SWFLAG 0x0008 219 /* to go into transition mode without setting wep */ 220 #define SES_OW_ENABLED 0x0040 221 /* MFP */ 222 #define MFP_CAPABLE 0x0200 223 #define MFP_REQUIRED 0x0400 224 225 /* WPA authentication mode bitvec */ 226 #define WPA_AUTH_DISABLED 0x0000 /* Legacy (i.e., non-WPA) */ 227 #define WPA_AUTH_NONE 0x0001 /* none (IBSS) */ 228 #define WPA_AUTH_UNSPECIFIED 0x0002 /* over 802.1x */ 229 #define WPA_AUTH_PSK 0x0004 /* Pre-shared key */ 230 #define WPA_AUTH_RESERVED1 0x0008 231 #define WPA_AUTH_RESERVED2 0x0010 232 233 #define WPA2_AUTH_RESERVED1 0x0020 234 #define WPA2_AUTH_UNSPECIFIED 0x0040 /* over 802.1x */ 235 #define WPA2_AUTH_PSK 0x0080 /* Pre-shared key */ 236 #define WPA2_AUTH_RESERVED3 0x0200 237 #define WPA2_AUTH_RESERVED4 0x0400 238 #define WPA2_AUTH_RESERVED5 0x0800 239 #define WPA2_AUTH_1X_SHA256 0x1000 /* 1X with SHA256 key derivation */ 240 #define WPA2_AUTH_PSK_SHA256 0x8000 /* PSK with SHA256 key derivation */ 241 242 #define DOT11_DEFAULT_RTS_LEN 2347 243 #define DOT11_DEFAULT_FRAG_LEN 2346 244 245 #define DOT11_ICV_AES_LEN 8 246 #define DOT11_QOS_LEN 2 247 #define DOT11_IV_MAX_LEN 8 248 #define DOT11_A4_HDR_LEN 30 249 250 #define HT_CAP_RX_STBC_NO 0x0 251 #define HT_CAP_RX_STBC_ONE_STREAM 0x1 252 253 #endif /* _BRCMU_WIFI_H_ */ 254