| /* |
| * 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 <wlc_phy_hal.h> |
| |
| #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 */ |