| /* |
| * 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/mac80211.h> |
| |
| #include <defs.h> |
| #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; |
| } |
| |
| /* 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) |
| 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); |
| } |