/* * 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 _WLC_CHANNEL_H_ #define _WLC_CHANNEL_H_ #include #define WLC_TXPWR_DB_FACTOR 4 /* conversion for phy txpwr cacluations that use .25 dB units */ struct wlc_info; /* maxpwr mapping to 5GHz band channels: * maxpwr[0] - channels [34-48] * maxpwr[1] - channels [52-60] * maxpwr[2] - channels [62-64] * maxpwr[3] - channels [100-140] * maxpwr[4] - channels [149-165] */ #define BAND_5G_PWR_LVLS 5 /* 5 power levels for 5G */ /* power level in group of 2.4GHz band channels: * maxpwr[0] - CCK channels [1] * maxpwr[1] - CCK channels [2-10] * maxpwr[2] - CCK channels [11-14] * maxpwr[3] - OFDM channels [1] * maxpwr[4] - OFDM channels [2-10] * maxpwr[5] - OFDM channels [11-14] */ /* macro to get 2.4 GHz channel group index for tx power */ #define CHANNEL_POWER_IDX_2G_CCK(c) (((c) < 2) ? 0 : (((c) < 11) ? 1 : 2)) /* cck index */ #define CHANNEL_POWER_IDX_2G_OFDM(c) (((c) < 2) ? 3 : (((c) < 11) ? 4 : 5)) /* ofdm index */ /* macro to get 5 GHz channel group index for tx power */ #define CHANNEL_POWER_IDX_5G(c) \ (((c) < 52) ? 0 : (((c) < 62) ? 1 : (((c) < 100) ? 2 : (((c) < 149) ? 3 : 4)))) #define WLC_MAXPWR_TBL_SIZE 6 /* max of BAND_5G_PWR_LVLS and 6 for 2.4 GHz */ #define WLC_MAXPWR_MIMO_TBL_SIZE 14 /* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */ /* locale channel and power info. */ typedef struct { u32 valid_channels; u8 radar_channels; /* List of radar sensitive channels */ u8 restricted_channels; /* List of channels used only if APs are detected */ s8 maxpwr[WLC_MAXPWR_TBL_SIZE]; /* Max tx pwr in qdBm for each sub-band */ s8 pub_maxpwr[BAND_5G_PWR_LVLS]; /* Country IE advertised max tx pwr in dBm * per sub-band */ u8 flags; } locale_info_t; /* bits for locale_info flags */ #define WLC_PEAK_CONDUCTED 0x00 /* Peak for locals */ #define WLC_EIRP 0x01 /* Flag for EIRP */ #define WLC_DFS_TPC 0x02 /* Flag for DFS TPC */ #define WLC_NO_OFDM 0x04 /* Flag for No OFDM */ #define WLC_NO_40MHZ 0x08 /* Flag for No MIMO 40MHz */ #define WLC_NO_MIMO 0x10 /* Flag for No MIMO, 20 or 40 MHz */ #define WLC_RADAR_TYPE_EU 0x20 /* Flag for EU */ #define WLC_DFS_FCC WLC_DFS_TPC /* Flag for DFS FCC */ #define WLC_DFS_EU (WLC_DFS_TPC | WLC_RADAR_TYPE_EU) /* Flag for DFS EU */ #define ISDFS_EU(fl) (((fl) & WLC_DFS_EU) == WLC_DFS_EU) /* locale per-channel tx power limits for MIMO frames * maxpwr arrays are index by channel for 2.4 GHz limits, and * by sub-band for 5 GHz limits using CHANNEL_POWER_IDX_5G(channel) */ typedef struct { s8 maxpwr20[WLC_MAXPWR_MIMO_TBL_SIZE]; /* tx 20 MHz power limits, qdBm units */ s8 maxpwr40[WLC_MAXPWR_MIMO_TBL_SIZE]; /* tx 40 MHz power limits, qdBm units */ u8 flags; } locale_mimo_info_t; extern const chanvec_t chanvec_all_2G; extern const chanvec_t chanvec_all_5G; /* * Country names and abbreviations with locale defined from ISO 3166 */ struct country_info { const u8 locale_2G; /* 2.4G band locale */ const u8 locale_5G; /* 5G band locale */ const u8 locale_mimo_2G; /* 2.4G mimo info */ const u8 locale_mimo_5G; /* 5G mimo info */ }; typedef struct country_info country_info_t; typedef struct wlc_cm_info wlc_cm_info_t; extern wlc_cm_info_t *wlc_channel_mgr_attach(struct wlc_info *wlc); extern void wlc_channel_mgr_detach(wlc_cm_info_t *wlc_cm); extern int wlc_set_countrycode(wlc_cm_info_t *wlc_cm, const char *ccode); extern int wlc_set_countrycode_rev(wlc_cm_info_t *wlc_cm, const char *country_abbrev, const char *ccode, int regrev); extern const char *wlc_channel_country_abbrev(wlc_cm_info_t *wlc_cm); extern u8 wlc_channel_locale_flags(wlc_cm_info_t *wlc_cm); extern u8 wlc_channel_locale_flags_in_band(wlc_cm_info_t *wlc_cm, uint bandunit); extern void wlc_quiet_channels_reset(wlc_cm_info_t *wlc_cm); extern bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec); #define VALID_CHANNEL20_DB(wlc, val) wlc_valid_channel20_db((wlc)->cmi, val) #define VALID_CHANNEL20_IN_BAND(wlc, bandunit, val) \ wlc_valid_channel20_in_band((wlc)->cmi, bandunit, val) #define VALID_CHANNEL20(wlc, val) wlc_valid_channel20((wlc)->cmi, val) #define VALID_40CHANSPEC_IN_BAND(wlc, bandunit) wlc_valid_40chanspec_in_band((wlc)->cmi, bandunit) extern bool wlc_valid_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec); extern bool wlc_valid_chanspec_db(wlc_cm_info_t *wlc_cm, chanspec_t chspec); extern bool wlc_valid_channel20_db(wlc_cm_info_t *wlc_cm, uint val); extern bool wlc_valid_channel20_in_band(wlc_cm_info_t *wlc_cm, uint bandunit, uint val); extern bool wlc_valid_channel20(wlc_cm_info_t *wlc_cm, uint val); extern bool wlc_valid_40chanspec_in_band(wlc_cm_info_t *wlc_cm, uint bandunit); extern void wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, chanspec_t chanspec, struct txpwr_limits *txpwr); extern void wlc_channel_set_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chanspec, u8 local_constraint_qdbm); extern int wlc_channel_set_txpower_limit(wlc_cm_info_t *wlc_cm, u8 local_constraint_qdbm); extern const country_info_t *wlc_country_lookup(struct wlc_info *wlc, const char *ccode); extern void wlc_locale_get_channels(const locale_info_t *locale, chanvec_t *valid_channels); extern const locale_info_t *wlc_get_locale_2g(u8 locale_idx); extern const locale_info_t *wlc_get_locale_5g(u8 locale_idx); extern bool wlc_japan(struct wlc_info *wlc); extern u8 wlc_get_regclass(wlc_cm_info_t *wlc_cm, chanspec_t chanspec); extern bool wlc_channel_get_chanvec(struct wlc_info *wlc, const char *country_abbrev, int bandtype, chanvec_t *channels); #endif /* _WLC_CHANNEL_H */