/* * 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 #include #include #include "pub.h" #include "phy/phy_hal.h" #include "main.h" #include "stf.h" #include "channel.h" /* QDB() macro takes a dB value and converts to a quarter dB value */ #define QDB(n) ((n) * BRCMS_TXPWR_DB_FACTOR) #define LOCALE_CHAN_01_11 (1<<0) #define LOCALE_CHAN_12_13 (1<<1) #define LOCALE_CHAN_14 (1<<2) #define LOCALE_SET_5G_LOW_JP1 (1<<3) /* 34-48, step 2 */ #define LOCALE_SET_5G_LOW_JP2 (1<<4) /* 34-46, step 4 */ #define LOCALE_SET_5G_LOW1 (1<<5) /* 36-48, step 4 */ #define LOCALE_SET_5G_LOW2 (1<<6) /* 52 */ #define LOCALE_SET_5G_LOW3 (1<<7) /* 56-64, step 4 */ #define LOCALE_SET_5G_MID1 (1<<8) /* 100-116, step 4 */ #define LOCALE_SET_5G_MID2 (1<<9) /* 120-124, step 4 */ #define LOCALE_SET_5G_MID3 (1<<10) /* 128 */ #define LOCALE_SET_5G_HIGH1 (1<<11) /* 132-140, step 4 */ #define LOCALE_SET_5G_HIGH2 (1<<12) /* 149-161, step 4 */ #define LOCALE_SET_5G_HIGH3 (1<<13) /* 165 */ #define LOCALE_CHAN_52_140_ALL (1<<14) #define LOCALE_SET_5G_HIGH4 (1<<15) /* 184-216 */ #define LOCALE_CHAN_36_64 (LOCALE_SET_5G_LOW1 | \ LOCALE_SET_5G_LOW2 | \ LOCALE_SET_5G_LOW3) #define LOCALE_CHAN_52_64 (LOCALE_SET_5G_LOW2 | LOCALE_SET_5G_LOW3) #define LOCALE_CHAN_100_124 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2) #define LOCALE_CHAN_100_140 (LOCALE_SET_5G_MID1 | LOCALE_SET_5G_MID2 | \ LOCALE_SET_5G_MID3 | LOCALE_SET_5G_HIGH1) #define LOCALE_CHAN_149_165 (LOCALE_SET_5G_HIGH2 | LOCALE_SET_5G_HIGH3) #define LOCALE_CHAN_184_216 LOCALE_SET_5G_HIGH4 #define LOCALE_CHAN_01_14 (LOCALE_CHAN_01_11 | \ LOCALE_CHAN_12_13 | \ LOCALE_CHAN_14) #define LOCALE_RADAR_SET_NONE 0 #define LOCALE_RADAR_SET_1 1 #define LOCALE_RESTRICTED_NONE 0 #define LOCALE_RESTRICTED_SET_2G_SHORT 1 #define LOCALE_RESTRICTED_CHAN_165 2 #define LOCALE_CHAN_ALL_5G 3 #define LOCALE_RESTRICTED_JAPAN_LEGACY 4 #define LOCALE_RESTRICTED_11D_2G 5 #define LOCALE_RESTRICTED_11D_5G 6 #define LOCALE_RESTRICTED_LOW_HI 7 #define LOCALE_RESTRICTED_12_13_14 8 #define LOCALE_2G_IDX_i 0 #define LOCALE_5G_IDX_11 0 #define LOCALE_MIMO_IDX_bn 0 #define LOCALE_MIMO_IDX_11n 0 /* max of BAND_5G_PWR_LVLS and 6 for 2.4 GHz */ #define BRCMS_MAXPWR_TBL_SIZE 6 /* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */ #define BRCMS_MAXPWR_MIMO_TBL_SIZE 14 /* 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] */ /* 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 */ #define LC(id) LOCALE_MIMO_IDX_ ## id #define LC_2G(id) LOCALE_2G_IDX_ ## id #define LC_5G(id) LOCALE_5G_IDX_ ## id #define LOCALES(band2, band5, mimo2, mimo5) \ {LC_2G(band2), LC_5G(band5), LC(mimo2), LC(mimo5)} /* 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)) #define CHANNEL_POWER_IDX_2G_OFDM(c) (((c) < 2) ? 3 : (((c) < 11) ? 4 : 5)) /* 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 ISDFS_EU(fl) (((fl) & BRCMS_DFS_EU) == BRCMS_DFS_EU) struct brcms_cm_band { /* struct locale_info flags */ u8 locale_flags; /* List of valid channels in the country */ struct brcms_chanvec valid_channels; /* List of restricted use channels */ const struct brcms_chanvec *restricted_channels; /* List of radar sensitive channels */ const struct brcms_chanvec *radar_channels; u8 PAD[8]; }; /* 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 { /* tx 20 MHz power limits, qdBm units */ s8 maxpwr20[BRCMS_MAXPWR_MIMO_TBL_SIZE]; /* tx 40 MHz power limits, qdBm units */ s8 maxpwr40[BRCMS_MAXPWR_MIMO_TBL_SIZE]; u8 flags; }; /* 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 */ }; struct brcms_cm_info { struct brcms_pub *pub; struct brcms_c_info *wlc; char srom_ccode[BRCM_CNTRY_BUF_SZ]; /* Country Code in SROM */ uint srom_regrev; /* Regulatory Rev for the SROM ccode */ const struct country_info *country; /* current country def */ char ccode[BRCM_CNTRY_BUF_SZ]; /* current internal Country Code */ uint regrev; /* current Regulatory Revision */ char country_abbrev[BRCM_CNTRY_BUF_SZ]; /* current advertised ccode */ /* per-band state (one per phy/radio) */ struct brcms_cm_band bandstate[MAXBANDS]; /* quiet channels currently for radar sensitivity or 11h support */ /* channels on which we cannot transmit */ struct brcms_chanvec quiet_channels; }; /* locale channel and power info. */ struct locale_info { u32 valid_channels; /* List of radar sensitive channels */ u8 radar_channels; /* List of channels used only if APs are detected */ u8 restricted_channels; /* Max tx pwr in qdBm for each sub-band */ s8 maxpwr[BRCMS_MAXPWR_TBL_SIZE]; /* Country IE advertised max tx pwr in dBm per sub-band */ s8 pub_maxpwr[BAND_5G_PWR_LVLS]; u8 flags; }; /* Regulatory Matrix Spreadsheet (CLM) MIMO v3.7.9 */ /* * Some common channel sets */ /* No channels */ static const struct brcms_chanvec chanvec_none = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; /* All 2.4 GHz HW channels */ static const struct brcms_chanvec chanvec_all_2G = { {0xfe, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; /* All 5 GHz HW channels */ static const struct brcms_chanvec chanvec_all_5G = { {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x11, 0x11, 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, 0x11, 0x11, 0x20, 0x22, 0x22, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x01} }; /* * Radar channel sets */ /* Channels 52 - 64, 100 - 140 */ static const struct brcms_chanvec radar_set1 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, /* 52 - 60 */ 0x01, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, /* 64, 100 - 124 */ 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 128 - 140 */ 0x00, 0x00, 0x00, 0x00} }; /* * Restricted channel sets */ /* Channels 34, 38, 42, 46 */ static const struct brcms_chanvec restricted_set_japan_legacy = { {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; /* Channels 12, 13 */ static const struct brcms_chanvec restricted_set_2g_short = { {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; /* Channel 165 */ static const struct brcms_chanvec restricted_chan_165 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; /* Channels 36 - 48 & 149 - 165 */ static const struct brcms_chanvec restricted_low_hi = { {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; /* Channels 12 - 14 */ static const struct brcms_chanvec restricted_set_12_13_14 = { {0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; /* global memory to provide working buffer for expanded locale */ static const struct brcms_chanvec *g_table_radar_set[] = { &chanvec_none, &radar_set1 }; static const struct brcms_chanvec *g_table_restricted_chan[] = { &chanvec_none, /* restricted_set_none */ &restricted_set_2g_short, &restricted_chan_165, &chanvec_all_5G, &restricted_set_japan_legacy, &chanvec_all_2G, /* restricted_set_11d_2G */ &chanvec_all_5G, /* restricted_set_11d_5G */ &restricted_low_hi, &restricted_set_12_13_14 }; static const struct brcms_chanvec locale_2g_01_11 = { {0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_2g_12_13 = { {0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_2g_14 = { {0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_LOW_JP1 = { {0x00, 0x00, 0x00, 0x00, 0x54, 0x55, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_LOW_JP2 = { {0x00, 0x00, 0x00, 0x00, 0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_LOW1 = { {0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_LOW2 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_LOW3 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_MID1 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_MID2 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_MID3 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_HIGH1 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_HIGH2 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x22, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_HIGH3 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_52_140_ALL = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }; static const struct brcms_chanvec locale_5g_HIGH4 = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x11} }; static const struct brcms_chanvec *g_table_locale_base[] = { &locale_2g_01_11, &locale_2g_12_13, &locale_2g_14, &locale_5g_LOW_JP1, &locale_5g_LOW_JP2, &locale_5g_LOW1, &locale_5g_LOW2, &locale_5g_LOW3, &locale_5g_MID1, &locale_5g_MID2, &locale_5g_MID3, &locale_5g_HIGH1, &locale_5g_HIGH2, &locale_5g_HIGH3, &locale_5g_52_140_ALL, &locale_5g_HIGH4 }; static void brcms_c_locale_add_channels(struct brcms_chanvec *target, const struct brcms_chanvec *channels) { u8 i; for (i = 0; i < sizeof(struct brcms_chanvec); i++) target->vec[i] |= channels->vec[i]; } static void brcms_c_locale_get_channels(const struct locale_info *locale, struct brcms_chanvec *channels) { u8 i; memset(channels, 0, sizeof(struct brcms_chanvec)); for (i = 0; i < ARRAY_SIZE(g_table_locale_base); i++) { if (locale->valid_channels & (1 << i)) brcms_c_locale_add_channels(channels, g_table_locale_base[i]); } } /* * Locale Definitions - 2.4 GHz */ static const struct locale_info locale_i = { /* locale i. channel 1 - 13 */ LOCALE_CHAN_01_11 | LOCALE_CHAN_12_13, LOCALE_RADAR_SET_NONE, LOCALE_RESTRICTED_SET_2G_SHORT, {QDB(19), QDB(19), QDB(19), QDB(19), QDB(19), QDB(19)}, {20, 20, 20, 0}, BRCMS_EIRP }; /* * Locale Definitions - 5 GHz */ static const struct locale_info locale_11 = { /* locale 11. channel 36 - 48, 52 - 64, 100 - 140, 149 - 165 */ LOCALE_CHAN_36_64 | LOCALE_CHAN_100_140 | LOCALE_CHAN_149_165, LOCALE_RADAR_SET_1, LOCALE_RESTRICTED_NONE, {QDB(21), QDB(21), QDB(21), QDB(21), QDB(21)}, {23, 23, 23, 30, 30}, BRCMS_EIRP | BRCMS_DFS_EU }; static const struct locale_info *g_locale_2g_table[] = { &locale_i }; static const struct locale_info *g_locale_5g_table[] = { &locale_11 }; /* * MIMO Locale Definitions - 2.4 GHz */ static const struct locale_mimo_info locale_bn = { {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13)}, {0, 0, QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), 0, 0}, 0 }; static const struct locale_mimo_info *g_mimo_2g_table[] = { &locale_bn }; /* * MIMO Locale Definitions - 5 GHz */ static const struct locale_mimo_info locale_11n = { { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)}, {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)}, 0 }; static const struct locale_mimo_info *g_mimo_5g_table[] = { &locale_11n }; static const struct { char abbrev[BRCM_CNTRY_BUF_SZ]; /* country abbreviation */ struct country_info country; } cntry_locales[] = { { "X2", LOCALES(i, 11, bn, 11n)}, /* Worldwide RoW 2 */ }; #ifdef SUPPORT_40MHZ /* 20MHz channel info for 40MHz pairing support */ struct chan20_info { u8 sb; u8 adj_sbs; }; /* indicates adjacent channels that are allowed for a 40 Mhz channel and * those that permitted by the HT */ struct chan20_info chan20_info[] = { /* 11b/11g */ /* 0 */ {1, (CH_UPPER_SB | CH_EWA_VALID)}, /* 1 */ {2, (CH_UPPER_SB | CH_EWA_VALID)}, /* 2 */ {3, (CH_UPPER_SB | CH_EWA_VALID)}, /* 3 */ {4, (CH_UPPER_SB | CH_EWA_VALID)}, /* 4 */ {5, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)}, /* 5 */ {6, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)}, /* 6 */ {7, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)}, /* 7 */ {8, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)}, /* 8 */ {9, (CH_UPPER_SB | CH_LOWER_SB | CH_EWA_VALID)}, /* 9 */ {10, (CH_LOWER_SB | CH_EWA_VALID)}, /* 10 */ {11, (CH_LOWER_SB | CH_EWA_VALID)}, /* 11 */ {12, (CH_LOWER_SB)}, /* 12 */ {13, (CH_LOWER_SB)}, /* 13 */ {14, (CH_LOWER_SB)}, /* 11a japan high */ /* 14 */ {34, (CH_UPPER_SB)}, /* 15 */ {38, (CH_LOWER_SB)}, /* 16 */ {42, (CH_LOWER_SB)}, /* 17 */ {46, (CH_LOWER_SB)}, /* 11a usa low */ /* 18 */ {36, (CH_UPPER_SB | CH_EWA_VALID)}, /* 19 */ {40, (CH_LOWER_SB | CH_EWA_VALID)}, /* 20 */ {44, (CH_UPPER_SB | CH_EWA_VALID)}, /* 21 */ {48, (CH_LOWER_SB | CH_EWA_VALID)}, /* 22 */ {52, (CH_UPPER_SB | CH_EWA_VALID)}, /* 23 */ {56, (CH_LOWER_SB | CH_EWA_VALID)}, /* 24 */ {60, (CH_UPPER_SB | CH_EWA_VALID)}, /* 25 */ {64, (CH_LOWER_SB | CH_EWA_VALID)}, /* 11a Europe */ /* 26 */ {100, (CH_UPPER_SB | CH_EWA_VALID)}, /* 27 */ {104, (CH_LOWER_SB | CH_EWA_VALID)}, /* 28 */ {108, (CH_UPPER_SB | CH_EWA_VALID)}, /* 29 */ {112, (CH_LOWER_SB | CH_EWA_VALID)}, /* 30 */ {116, (CH_UPPER_SB | CH_EWA_VALID)}, /* 31 */ {120, (CH_LOWER_SB | CH_EWA_VALID)}, /* 32 */ {124, (CH_UPPER_SB | CH_EWA_VALID)}, /* 33 */ {128, (CH_LOWER_SB | CH_EWA_VALID)}, /* 34 */ {132, (CH_UPPER_SB | CH_EWA_VALID)}, /* 35 */ {136, (CH_LOWER_SB | CH_EWA_VALID)}, /* 36 */ {140, (CH_LOWER_SB)}, /* 11a usa high, ref5 only */ /* The 0x80 bit in pdiv means these are REF5, other entries are REF20 */ /* 37 */ {149, (CH_UPPER_SB | CH_EWA_VALID)}, /* 38 */ {153, (CH_LOWER_SB | CH_EWA_VALID)}, /* 39 */ {157, (CH_UPPER_SB | CH_EWA_VALID)}, /* 40 */ {161, (CH_LOWER_SB | CH_EWA_VALID)}, /* 41 */ {165, (CH_LOWER_SB)}, /* 11a japan */ /* 42 */ {184, (CH_UPPER_SB)}, /* 43 */ {188, (CH_LOWER_SB)}, /* 44 */ {192, (CH_UPPER_SB)}, /* 45 */ {196, (CH_LOWER_SB)}, /* 46 */ {200, (CH_UPPER_SB)}, /* 47 */ {204, (CH_LOWER_SB)}, /* 48 */ {208, (CH_UPPER_SB)}, /* 49 */ {212, (CH_LOWER_SB)}, /* 50 */ {216, (CH_LOWER_SB)} }; #endif /* SUPPORT_40MHZ */ static const struct locale_info *brcms_c_get_locale_2g(u8 locale_idx) { if (locale_idx >= ARRAY_SIZE(g_locale_2g_table)) return NULL; /* error condition */ return g_locale_2g_table[locale_idx]; } static const struct locale_info *brcms_c_get_locale_5g(u8 locale_idx) { if (locale_idx >= ARRAY_SIZE(g_locale_5g_table)) return NULL; /* error condition */ return g_locale_5g_table[locale_idx]; } static const struct locale_mimo_info *brcms_c_get_mimo_2g(u8 locale_idx) { if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) return NULL; return g_mimo_2g_table[locale_idx]; } static const struct locale_mimo_info *brcms_c_get_mimo_5g(u8 locale_idx) { if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) return NULL; return g_mimo_5g_table[locale_idx]; } static int brcms_c_country_aggregate_map(struct brcms_cm_info *wlc_cm, const char *ccode, char *mapped_ccode, uint *mapped_regrev) { return false; } /* * 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) { /* * only allow ascii alpha uppercase for the first 2 * chars. */ if (!((0x80 & ccode[0]) == 0 && ccode[0] >= 0x41 && ccode[0] <= 0x5A && (0x80 & ccode[1]) == 0 && ccode[1] >= 0x41 && ccode[1] <= 0x5A && ccode[2] == '\0')) return false; /* * do not match ISO 3166-1 user assigned country codes * that may be in the driver table */ if (!strcmp("AA", ccode) || /* AA */ !strcmp("ZZ", ccode) || /* ZZ */ ccode[0] == 'X' || /* XA - XZ */ (ccode[0] == 'Q' && /* QM - QZ */ (ccode[1] >= 'M' && ccode[1] <= 'Z'))) return false; if (!strcmp("NA", ccode)) return false; return true; } /* Lookup a country info structure from a null terminated country * abbreviation and regrev directly with no translation. */ static const struct country_info * brcms_c_country_lookup_direct(const char *ccode, uint regrev) { uint size, i; /* Should just return 0 for single locale driver. */ /* Keep it this way in case we add more locales. (for now anyway) */ /* * all other country def arrays are for regrev == 0, so if * regrev is non-zero, fail */ if (regrev > 0) return NULL; /* find matched table entry from country code */ size = ARRAY_SIZE(cntry_locales); for (i = 0; i < size; i++) { if (strcmp(ccode, cntry_locales[i].abbrev) == 0) return &cntry_locales[i].country; } return NULL; } static const struct country_info * brcms_c_countrycode_map(struct brcms_cm_info *wlc_cm, const char *ccode, char *mapped_ccode, uint *mapped_regrev) { struct brcms_c_info *wlc = wlc_cm->wlc; const struct country_info *country; uint srom_regrev = wlc_cm->srom_regrev; const char *srom_ccode = wlc_cm->srom_ccode; int mapped; /* check for currently supported ccode size */ if (strlen(ccode) > (BRCM_CNTRY_BUF_SZ - 1)) { wiphy_err(wlc->wiphy, "wl%d: %s: ccode \"%s\" too long for " "match\n", wlc->pub->unit, __func__, ccode); return NULL; } /* default mapping is the given ccode and regrev 0 */ strncpy(mapped_ccode, ccode, BRCM_CNTRY_BUF_SZ); *mapped_regrev = 0; /* If the desired country code matches the srom country code, * then the mapped country is the srom regulatory rev. * Otherwise look for an aggregate mapping. */ if (!strcmp(srom_ccode, ccode)) { *mapped_regrev = srom_regrev; mapped = 0; wiphy_err(wlc->wiphy, "srom_code == ccode %s\n", __func__); } else { mapped = brcms_c_country_aggregate_map(wlc_cm, ccode, mapped_ccode, mapped_regrev); } /* find the matching built-in country definition */ country = brcms_c_country_lookup_direct(mapped_ccode, *mapped_regrev); /* if there is not an exact rev match, default to rev zero */ if (country == NULL && *mapped_regrev != 0) { *mapped_regrev = 0; country = brcms_c_country_lookup_direct(mapped_ccode, *mapped_regrev); } return country; } /* Lookup a country info structure from a null terminated country code * The lookup is case sensitive. */ static const struct country_info * brcms_c_country_lookup(struct brcms_c_info *wlc, const char *ccode) { const struct country_info *country; char mapped_ccode[BRCM_CNTRY_BUF_SZ]; uint mapped_regrev; /* * map the country code to a built-in country code, regrev, and * country_info struct */ country = brcms_c_countrycode_map(wlc->cmi, ccode, mapped_ccode, &mapped_regrev); return country; } /* * reset the quiet channels vector to the union * of the restricted and radar channel sets */ static void brcms_c_quiet_channels_reset(struct brcms_cm_info *wlc_cm) { struct brcms_c_info *wlc = wlc_cm->wlc; uint i, j; struct brcms_band *band; const struct brcms_chanvec *chanvec; memset(&wlc_cm->quiet_channels, 0, sizeof(struct brcms_chanvec)); band = wlc->band; for (i = 0; i < wlc->pub->_nbands; i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) { /* initialize quiet channels for restricted channels */ chanvec = wlc_cm->bandstate[band->bandunit].restricted_channels; for (j = 0; j < sizeof(struct brcms_chanvec); j++) wlc_cm->quiet_channels.vec[j] |= chanvec->vec[j]; } } /* Is the channel valid for the current locale and current band? */ static bool brcms_c_valid_channel20(struct brcms_cm_info *wlc_cm, uint val) { struct brcms_c_info *wlc = wlc_cm->wlc; return ((val < MAXCHANNEL) && isset(wlc_cm->bandstate[wlc->band->bandunit].valid_channels.vec, val)); } /* Is the channel valid for the current locale and specified band? */ static bool brcms_c_valid_channel20_in_band(struct brcms_cm_info *wlc_cm, uint bandunit, uint val) { return ((val < MAXCHANNEL) && isset(wlc_cm->bandstate[bandunit].valid_channels.vec, val)); } /* Is the channel valid for the current locale? (but don't consider channels not * available due to bandlocking) */ static bool brcms_c_valid_channel20_db(struct brcms_cm_info *wlc_cm, uint val) { struct brcms_c_info *wlc = wlc_cm->wlc; return brcms_c_valid_channel20(wlc->cmi, val) || (!wlc->bandlocked && brcms_c_valid_channel20_in_band(wlc->cmi, OTHERBANDUNIT(wlc), val)); } /* JP, J1 - J10 are Japan ccodes */ static bool brcms_c_japan_ccode(const char *ccode) { return (ccode[0] == 'J' && (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9'))); } /* Returns true if currently set country is Japan or variant */ static bool brcms_c_japan(struct brcms_c_info *wlc) { return brcms_c_japan_ccode(wlc->cmi->country_abbrev); } 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) { int j; /* CCK Rates */ for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm); /* 20 MHz Legacy OFDM SISO */ for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm); /* 20 MHz Legacy OFDM CDD */ for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++) txpwr->ofdm_cdd[j] = min(txpwr->ofdm_cdd[j], local_constraint_qdbm); /* 40 MHz Legacy OFDM SISO */ for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++) txpwr->ofdm_40_siso[j] = min(txpwr->ofdm_40_siso[j], local_constraint_qdbm); /* 40 MHz Legacy OFDM CDD */ for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++) txpwr->ofdm_40_cdd[j] = min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm); /* 20MHz MCS 0-7 SISO */ for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) txpwr->mcs_20_siso[j] = min(txpwr->mcs_20_siso[j], local_constraint_qdbm); /* 20MHz MCS 0-7 CDD */ for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) txpwr->mcs_20_cdd[j] = min(txpwr->mcs_20_cdd[j], local_constraint_qdbm); /* 20MHz MCS 0-7 STBC */ for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) txpwr->mcs_20_stbc[j] = min(txpwr->mcs_20_stbc[j], local_constraint_qdbm); /* 20MHz MCS 8-15 MIMO */ for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++) txpwr->mcs_20_mimo[j] = min(txpwr->mcs_20_mimo[j], local_constraint_qdbm); /* 40MHz MCS 0-7 SISO */ for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) txpwr->mcs_40_siso[j] = min(txpwr->mcs_40_siso[j], local_constraint_qdbm); /* 40MHz MCS 0-7 CDD */ for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) txpwr->mcs_40_cdd[j] = min(txpwr->mcs_40_cdd[j], local_constraint_qdbm); /* 40MHz MCS 0-7 STBC */ for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) txpwr->mcs_40_stbc[j] = min(txpwr->mcs_40_stbc[j], local_constraint_qdbm); /* 40MHz MCS 8-15 MIMO */ for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++) txpwr->mcs_40_mimo[j] = min(txpwr->mcs_40_mimo[j], local_constraint_qdbm); /* 40MHz MCS 32 */ txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm); } /* Update the radio state (enable/disable) and tx power targets * based on a new set of channel/regulatory information */ static void brcms_c_channels_commit(struct brcms_cm_info *wlc_cm) { struct brcms_c_info *wlc = wlc_cm->wlc; uint chan; struct txpwr_limits txpwr; /* search for the existence of any valid channel */ for (chan = 0; chan < MAXCHANNEL; chan++) { if (brcms_c_valid_channel20_db(wlc->cmi, chan)) break; } if (chan == MAXCHANNEL) chan = INVCHANNEL; /* * based on the channel search above, set or * clear WL_RADIO_COUNTRY_DISABLE. */ if (chan == INVCHANNEL) { /* * country/locale with no valid channels, set * the radio disable bit */ mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE); wiphy_err(wlc->wiphy, "wl%d: %s: no valid channel for \"%s\" " "nbands %d bandlocked %d\n", wlc->pub->unit, __func__, wlc_cm->country_abbrev, wlc->pub->_nbands, wlc->bandlocked); } else if (mboolisset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE)) { /* * country/locale with valid channel, clear * the radio disable bit */ mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE); } /* * Now that the country abbreviation is set, if the radio supports 2G, * then set channel 14 restrictions based on the new locale. */ if (wlc->pub->_nbands > 1 || wlc->band->bandtype == BRCM_BAND_2G) wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi, brcms_c_japan(wlc) ? true : false); if (wlc->pub->up && chan != INVCHANNEL) { brcms_c_channel_reg_limits(wlc_cm, wlc->chanspec, &txpwr); brcms_c_channel_min_txpower_limits_with_local_constraint(wlc_cm, &txpwr, BRCMS_TXPWR_MAX); wlc_phy_txpower_limit_set(wlc->band->pi, &txpwr, wlc->chanspec); } } static int brcms_c_channels_init(struct brcms_cm_info *wlc_cm, const struct country_info *country) { struct brcms_c_info *wlc = wlc_cm->wlc; uint i, j; struct brcms_band *band; const struct locale_info *li; struct brcms_chanvec sup_chan; const struct locale_mimo_info *li_mimo; band = wlc->band; for (i = 0; i < wlc->pub->_nbands; i++, band = wlc->bandstate[OTHERBANDUNIT(wlc)]) { li = (band->bandtype == BRCM_BAND_5G) ? brcms_c_get_locale_5g(country->locale_5G) : brcms_c_get_locale_2g(country->locale_2G); wlc_cm->bandstate[band->bandunit].locale_flags = li->flags; li_mimo = (band->bandtype == BRCM_BAND_5G) ? brcms_c_get_mimo_5g(country->locale_mimo_5G) : brcms_c_get_mimo_2g(country->locale_mimo_2G); /* merge the mimo non-mimo locale flags */ wlc_cm->bandstate[band->bandunit].locale_flags |= li_mimo->flags; wlc_cm->bandstate[band->bandunit].restricted_channels = g_table_restricted_chan[li->restricted_channels]; wlc_cm->bandstate[band->bandunit].radar_channels = g_table_radar_set[li->radar_channels]; /* * set the channel availability, masking out the channels * that may not be supported on this phy. */ wlc_phy_chanspec_band_validch(band->pi, band->bandtype, &sup_chan); brcms_c_locale_get_channels(li, &wlc_cm->bandstate[band->bandunit]. valid_channels); for (j = 0; j < sizeof(struct brcms_chanvec); j++) wlc_cm->bandstate[band->bandunit].valid_channels. vec[j] &= sup_chan.vec[j]; } brcms_c_quiet_channels_reset(wlc_cm); brcms_c_channels_commit(wlc_cm); return 0; } /* * 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_common(struct brcms_cm_info *wlc_cm, const char *country_abbrev, const char *ccode, uint regrev, const struct country_info *country) { const struct locale_info *locale; struct brcms_c_info *wlc = wlc_cm->wlc; char prev_country_abbrev[BRCM_CNTRY_BUF_SZ]; /* save current country state */ wlc_cm->country = country; memset(&prev_country_abbrev, 0, BRCM_CNTRY_BUF_SZ); strncpy(prev_country_abbrev, wlc_cm->country_abbrev, BRCM_CNTRY_BUF_SZ - 1); strncpy(wlc_cm->country_abbrev, country_abbrev, BRCM_CNTRY_BUF_SZ - 1); strncpy(wlc_cm->ccode, ccode, BRCM_CNTRY_BUF_SZ - 1); wlc_cm->regrev = regrev; if ((wlc->pub->_n_enab & SUPPORT_11N) != wlc->protection->nmode_user) brcms_c_set_nmode(wlc); brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]); brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]); /* set or restore gmode as required by regulatory */ locale = brcms_c_get_locale_2g(country->locale_2G); if (locale && (locale->flags & BRCMS_NO_OFDM)) brcms_c_set_gmode(wlc, GMODE_LEGACY_B, false); else brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false); brcms_c_channels_init(wlc_cm, country); return; } static int brcms_c_set_countrycode_rev(struct brcms_cm_info *wlc_cm, const char *country_abbrev, const char *ccode, int regrev) { const struct country_info *country; char mapped_ccode[BRCM_CNTRY_BUF_SZ]; uint mapped_regrev; /* if regrev is -1, lookup the mapped country code, * otherwise use the ccode and regrev directly */ if (regrev == -1) { /* * map the country code to a built-in country * code, regrev, and country_info */ country = brcms_c_countrycode_map(wlc_cm, ccode, mapped_ccode, &mapped_regrev); } else { /* find the matching built-in country definition */ country = brcms_c_country_lookup_direct(ccode, regrev); strncpy(mapped_ccode, ccode, BRCM_CNTRY_BUF_SZ); mapped_regrev = regrev; } if (country == NULL) return -EINVAL; /* set the driver state for the country */ brcms_c_set_country_common(wlc_cm, country_abbrev, mapped_ccode, mapped_regrev, country); return 0; } /* * set the driver's current country and regulatory information using * a country code as the source. Lookup built in country information * found with the country code. */ static int brcms_c_set_countrycode(struct brcms_cm_info *wlc_cm, const char *ccode) { char country_abbrev[BRCM_CNTRY_BUF_SZ]; strncpy(country_abbrev, ccode, BRCM_CNTRY_BUF_SZ); return brcms_c_set_countrycode_rev(wlc_cm, country_abbrev, ccode, -1); } struct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc) { struct brcms_cm_info *wlc_cm; char country_abbrev[BRCM_CNTRY_BUF_SZ]; const struct country_info *country; struct brcms_pub *pub = wlc->pub; char *ccode; BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); wlc_cm = kzalloc(sizeof(struct brcms_cm_info), GFP_ATOMIC); if (wlc_cm == NULL) return NULL; wlc_cm->pub = pub; wlc_cm->wlc = wlc; wlc->cmi = wlc_cm; /* store the country code for passing up as a regulatory hint */ ccode = getvar(wlc->hw->sih, BRCMS_SROM_CCODE); if (ccode && brcms_c_country_valid(ccode)) strncpy(wlc->pub->srom_ccode, ccode, BRCM_CNTRY_BUF_SZ - 1); /* * internal country information which must match * regulatory constraints in firmware */ memset(country_abbrev, 0, BRCM_CNTRY_BUF_SZ); strncpy(country_abbrev, "X2", sizeof(country_abbrev) - 1); country = brcms_c_country_lookup(wlc, country_abbrev); /* save default country for exiting 11d regulatory mode */ strncpy(wlc->country_default, country_abbrev, BRCM_CNTRY_BUF_SZ - 1); /* initialize autocountry_default to driver default */ strncpy(wlc->autocountry_default, "X2", BRCM_CNTRY_BUF_SZ - 1); brcms_c_set_countrycode(wlc_cm, country_abbrev); return wlc_cm; } void brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm) { kfree(wlc_cm); } u8 brcms_c_channel_locale_flags_in_band(struct brcms_cm_info *wlc_cm, uint bandunit) { return wlc_cm->bandstate[bandunit].locale_flags; } static bool brcms_c_quiet_chanspec(struct brcms_cm_info *wlc_cm, u16 chspec) { return (wlc_cm->wlc->pub->_n_enab & SUPPORT_11N) && CHSPEC_IS40(chspec) ? (isset(wlc_cm->quiet_channels.vec, lower_20_sb(CHSPEC_CHANNEL(chspec))) || isset(wlc_cm->quiet_channels.vec, upper_20_sb(CHSPEC_CHANNEL(chspec)))) : isset(wlc_cm->quiet_channels.vec, CHSPEC_CHANNEL(chspec)); } void brcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, u8 local_constraint_qdbm) { struct brcms_c_info *wlc = wlc_cm->wlc; struct txpwr_limits txpwr; brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr); brcms_c_channel_min_txpower_limits_with_local_constraint( wlc_cm, &txpwr, local_constraint_qdbm ); brcms_b_set_chanspec(wlc->hw, chanspec, (brcms_c_quiet_chanspec(wlc_cm, chanspec) != 0), &txpwr); } void brcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec, struct txpwr_limits *txpwr) { struct brcms_c_info *wlc = wlc_cm->wlc; uint i; uint chan; int maxpwr; int delta; const struct country_info *country; struct brcms_band *band; const struct locale_info *li; int conducted_max = BRCMS_TXPWR_MAX; int conducted_ofdm_max = BRCMS_TXPWR_MAX; const struct locale_mimo_info *li_mimo; int maxpwr20, maxpwr40; int maxpwr_idx; uint j; memset(txpwr, 0, sizeof(struct txpwr_limits)); if (!brcms_c_valid_chanspec_db(wlc_cm, chanspec)) { country = brcms_c_country_lookup(wlc, wlc->autocountry_default); if (country == NULL) return; } else { country = wlc_cm->country; } chan = CHSPEC_CHANNEL(chanspec); band = wlc->bandstate[chspec_bandunit(chanspec)]; li = (band->bandtype == BRCM_BAND_5G) ? brcms_c_get_locale_5g(country->locale_5G) : brcms_c_get_locale_2g(country->locale_2G); li_mimo = (band->bandtype == BRCM_BAND_5G) ? brcms_c_get_mimo_5g(country->locale_mimo_5G) : brcms_c_get_mimo_2g(country->locale_mimo_2G); if (li->flags & BRCMS_EIRP) { delta = band->antgain; } else { delta = 0; if (band->antgain > QDB(6)) delta = band->antgain - QDB(6); /* Excess over 6 dB */ } if (li == &locale_i) { conducted_max = QDB(22); conducted_ofdm_max = QDB(22); } /* CCK txpwr limits for 2.4G band */ if (band->bandtype == BRCM_BAND_2G) { maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)]; maxpwr = maxpwr - delta; maxpwr = max(maxpwr, 0); maxpwr = min(maxpwr, conducted_max); for (i = 0; i < BRCMS_NUM_RATES_CCK; i++) txpwr->cck[i] = (u8) maxpwr; } /* OFDM txpwr limits for 2.4G or 5G bands */ if (band->bandtype == BRCM_BAND_2G) maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)]; else maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)]; maxpwr = maxpwr - delta; maxpwr = max(maxpwr, 0); maxpwr = min(maxpwr, conducted_ofdm_max); /* Keep OFDM lmit below CCK limit */ if (band->bandtype == BRCM_BAND_2G) maxpwr = min_t(int, maxpwr, txpwr->cck[0]); for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++) txpwr->ofdm[i] = (u8) maxpwr; for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++) { /* * OFDM 40 MHz SISO has the same power as the corresponding * MCS0-7 rate unless overriden by the locale specific code. * We set this value to 0 as a flag (presumably 0 dBm isn't * a possibility) and then copy the MCS0-7 value to the 40 MHz * value if it wasn't explicitly set. */ txpwr->ofdm_40_siso[i] = 0; txpwr->ofdm_cdd[i] = (u8) maxpwr; txpwr->ofdm_40_cdd[i] = 0; } /* MIMO/HT specific limits */ if (li_mimo->flags & BRCMS_EIRP) { delta = band->antgain; } else { delta = 0; if (band->antgain > QDB(6)) delta = band->antgain - QDB(6); /* Excess over 6 dB */ } if (band->bandtype == BRCM_BAND_2G) maxpwr_idx = (chan - 1); else maxpwr_idx = CHANNEL_POWER_IDX_5G(chan); maxpwr20 = li_mimo->maxpwr20[maxpwr_idx]; maxpwr40 = li_mimo->maxpwr40[maxpwr_idx]; maxpwr20 = maxpwr20 - delta; maxpwr20 = max(maxpwr20, 0); maxpwr40 = maxpwr40 - delta; maxpwr40 = max(maxpwr40, 0); /* Fill in the MCS 0-7 (SISO) rates */ for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { /* * 20 MHz has the same power as the corresponding OFDM rate * unless overriden by the locale specific code. */ txpwr->mcs_20_siso[i] = txpwr->ofdm[i]; txpwr->mcs_40_siso[i] = 0; } /* Fill in the MCS 0-7 CDD rates */ for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { txpwr->mcs_20_cdd[i] = (u8) maxpwr20; txpwr->mcs_40_cdd[i] = (u8) maxpwr40; } /* * These locales have SISO expressed in the * table and override CDD later */ if (li_mimo == &locale_bn) { if (li_mimo == &locale_bn) { maxpwr20 = QDB(16); maxpwr40 = 0; if (chan >= 3 && chan <= 11) maxpwr40 = QDB(16); } for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { txpwr->mcs_20_siso[i] = (u8) maxpwr20; txpwr->mcs_40_siso[i] = (u8) maxpwr40; } } /* Fill in the MCS 0-7 STBC rates */ for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { txpwr->mcs_20_stbc[i] = 0; txpwr->mcs_40_stbc[i] = 0; } /* Fill in the MCS 8-15 SDM rates */ for (i = 0; i < BRCMS_NUM_RATES_MCS_2_STREAM; i++) { txpwr->mcs_20_mimo[i] = (u8) maxpwr20; txpwr->mcs_40_mimo[i] = (u8) maxpwr40; } /* Fill in MCS32 */ txpwr->mcs32 = (u8) maxpwr40; for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) { if (txpwr->ofdm_40_cdd[i] == 0) txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j]; if (i == 0) { i = i + 1; if (txpwr->ofdm_40_cdd[i] == 0) txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j]; } } /* * Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO * value if it wasn't provided explicitly. */ for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { if (txpwr->mcs_40_siso[i] == 0) txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i]; } for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) { if (txpwr->ofdm_40_siso[i] == 0) txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j]; if (i == 0) { i = i + 1; if (txpwr->ofdm_40_siso[i] == 0) txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j]; } } /* * Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding * STBC values if they weren't provided explicitly. */ for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { if (txpwr->mcs_20_stbc[i] == 0) txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i]; if (txpwr->mcs_40_stbc[i] == 0) txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i]; } return; } /* * 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) { /* must be 2G or 5G band */ if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec)) return true; /* must be 20 or 40 bandwidth */ if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec)) return true; /* 20MHZ b/w must have no ctl sb, 40 must have a ctl sb */ if (CHSPEC_IS20(chanspec)) { if (!CHSPEC_SB_NONE(chanspec)) return true; } else if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) { return true; } return false; } /* * 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 dualband) { struct brcms_c_info *wlc = wlc_cm->wlc; u8 channel = CHSPEC_CHANNEL(chspec); /* check the chanspec */ if (brcms_c_chspec_malformed(chspec)) { wiphy_err(wlc->wiphy, "wl%d: malformed chanspec 0x%x\n", wlc->pub->unit, chspec); return false; } if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) != chspec_bandunit(chspec)) return false; /* Check a 20Mhz channel */ if (CHSPEC_IS20(chspec)) { if (dualband) return brcms_c_valid_channel20_db(wlc_cm->wlc->cmi, channel); else return brcms_c_valid_channel20(wlc_cm->wlc->cmi, channel); } #ifdef SUPPORT_40MHZ /* * We know we are now checking a 40MHZ channel, so we should * only be here for NPHYS */ if (BRCMS_ISNPHY(wlc->band) || BRCMS_ISSSLPNPHY(wlc->band)) { u8 upper_sideband = 0, idx; u8 num_ch20_entries = sizeof(chan20_info) / sizeof(struct chan20_info); if (!VALID_40CHANSPEC_IN_BAND(wlc, chspec_bandunit(chspec))) return false; if (dualband) { if (!brcms_c_valid_channel20_db(wlc->cmi, lower_20_sb(channel)) || !brcms_c_valid_channel20_db(wlc->cmi, upper_20_sb(channel))) return false; } else { if (!brcms_c_valid_channel20(wlc->cmi, lower_20_sb(channel)) || !brcms_c_valid_channel20(wlc->cmi, upper_20_sb(channel))) return false; } /* find the lower sideband info in the sideband array */ for (idx = 0; idx < num_ch20_entries; idx++) { if (chan20_info[idx].sb == lower_20_sb(channel)) upper_sideband = chan20_info[idx].adj_sbs; } /* check that the lower sideband allows an upper sideband */ if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) == (CH_UPPER_SB | CH_EWA_VALID)) return true; return false; } #endif /* 40 MHZ */ return false; } bool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, u16 chspec) { return brcms_c_valid_chanspec_ext(wlc_cm, chspec, true); }