/* * 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. */ #include <linux/types.h> #include <net/cfg80211.h> #include <net/mac80211.h> #include <net/regulatory.h> #include <defs.h> #include "pub.h" #include "phy/phy_hal.h" #include "main.h" #include "stf.h" #include "channel.h" #include "mac80211_if.h" #include "debug.h" /* QDB() macro takes a dB value and converts to a quarter dB value */ #define QDB(n) … #define LOCALE_MIMO_IDX_bn … #define LOCALE_MIMO_IDX_11n … /* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */ #define BRCMS_MAXPWR_MIMO_TBL_SIZE … /* 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 … #define LC(id) … #define LOCALES(mimo2, mimo5) … /* macro to get 5 GHz channel group index for tx power */ #define CHANNEL_POWER_IDX_5G(c) … #define BRCM_2GHZ_2412_2462 … #define BRCM_2GHZ_2467_2472 … #define BRCM_5GHZ_5180_5240 … #define BRCM_5GHZ_5260_5320 … #define BRCM_5GHZ_5500_5700 … #define BRCM_5GHZ_5745_5825 … static const struct ieee80211_regdomain brcms_regdom_x2 = …; /* 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) */ struct locale_mimo_info { … }; /* Country names and abbreviations with locale defined from ISO 3166 */ struct country_info { … }; struct brcms_regd { … }; struct brcms_cm_info { … }; /* * MIMO Locale Definitions - 2.4 GHz */ static const struct locale_mimo_info locale_bn = …; static const struct locale_mimo_info *g_mimo_2g_table[] = …; /* * MIMO Locale Definitions - 5 GHz */ static const struct locale_mimo_info locale_11n = …; static const struct locale_mimo_info *g_mimo_5g_table[] = …; static const struct brcms_regd cntry_locales[] = …; static const struct locale_mimo_info *brcms_c_get_mimo_2g(u8 locale_idx) { … } static const struct locale_mimo_info *brcms_c_get_mimo_5g(u8 locale_idx) { … } /* * Indicates whether the country provided is valid to pass * to cfg80211 or not. * * returns true if valid; false if not. */ static bool brcms_c_country_valid(const char *ccode) { … } static const struct brcms_regd *brcms_world_regd(const char *regdom, int len) { … } static const struct brcms_regd *brcms_default_world_regd(void) { … } /* JP, J1 - J10 are Japan ccodes */ static bool brcms_c_japan_ccode(const char *ccode) { … } static void brcms_c_channel_min_txpower_limits_with_local_constraint( struct brcms_cm_info *wlc_cm, struct txpwr_limits *txpwr, u8 local_constraint_qdbm) { … } /* * set the driver's current country and regulatory information * using a country code as the source. Look up built in country * information found with the country code. */ static void brcms_c_set_country(struct brcms_cm_info *wlc_cm, const struct brcms_regd *regd) { … } struct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc) { … } void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm) { … } void brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, u8 local_constraint_qdbm) { … } void brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec, struct txpwr_limits *txpwr) { … } /* * Verify the chanspec is using a legal set of parameters, i.e. that the * chanspec specified a band, bw, ctl_sb and channel and that the * combination could be legal given any set of circumstances. * RETURNS: true is the chanspec is malformed, false if it looks good. */ static bool brcms_c_chspec_malformed(u16 chanspec) { … } /* * Validate the chanspec for this locale, for 40MHZ we need to also * check that the sidebands are valid 20MZH channels in this locale * and they are also a legal HT combination */ static bool brcms_c_valid_chanspec_ext(struct brcms_cm_info *wlc_cm, u16 chspec) { … } bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, u16 chspec) { … } static bool brcms_is_radar_freq(u16 center_freq) { … } static void brcms_reg_apply_radar_flags(struct wiphy *wiphy) { … } static void brcms_reg_apply_beaconing_flags(struct wiphy *wiphy, enum nl80211_reg_initiator initiator) { … } static void brcms_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) { … } void brcms_c_regd_init(struct brcms_c_info *wlc) { … }
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