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 148static inline int lower_20_sb(int channel) 149{ 150 return channel > CH_10MHZ_APART ? (channel - CH_10MHZ_APART) : 0; 151} 152 153static inline int upper_20_sb(int channel) 154{ 155 return (channel < (MAXCHANNEL - CH_10MHZ_APART)) ? 156 channel + CH_10MHZ_APART : 0; 157} 158 159static inline int chspec_bandunit(u16 chspec) 160{ 161 return CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX; 162} 163 164static 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 173static 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 198static 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 239 240/* pmkid */ 241#define MAXPMKID 16 242 243#define DOT11_DEFAULT_RTS_LEN 2347 244#define DOT11_DEFAULT_FRAG_LEN 2346 245 246#define DOT11_ICV_AES_LEN 8 247#define DOT11_QOS_LEN 2 248#define DOT11_IV_MAX_LEN 8 249#define DOT11_A4_HDR_LEN 30 250 251#define HT_CAP_RX_STBC_NO 0x0 252#define HT_CAP_RX_STBC_ONE_STREAM 0x1 253 254struct pmkid { 255 u8 BSSID[ETH_ALEN]; 256 u8 PMKID[WLAN_PMKID_LEN]; 257}; 258 259struct pmkid_list { 260 __le32 npmkid; 261 struct pmkid pmkid[1]; 262}; 263 264struct pmkid_cand { 265 u8 BSSID[ETH_ALEN]; 266 u8 preauth; 267}; 268 269struct pmkid_cand_list { 270 u32 npmkid_cand; 271 struct pmkid_cand pmkid_cand[1]; 272}; 273 274#endif /* _BRCMU_WIFI_H_ */ 275