channel.c revision 0c0280bd0ba410326eecdaeb1b936696eda6381d
15b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* 25b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * Copyright (c) 2010 Broadcom Corporation 35b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * 45b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * Permission to use, copy, modify, and/or distribute this software for any 55b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * purpose with or without fee is hereby granted, provided that the above 65b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * copyright notice and this permission notice appear in all copies. 75b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * 85b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 95b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 105b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 125b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 135b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 145b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 155b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#include <linux/types.h> 18cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#include <net/cfg80211.h> 195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#include <net/mac80211.h> 20cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#include <net/regulatory.h> 215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#include <defs.h> 235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#include "pub.h" 245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#include "phy/phy_hal.h" 255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#include "main.h" 265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#include "stf.h" 275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#include "channel.h" 28cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#include "mac80211_if.h" 29b353dda485038d5033b066cc946dfcf66afae128Seth Forshee#include "debug.h" 305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* QDB() macro takes a dB value and converts to a quarter dB value */ 325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define QDB(n) ((n) * BRCMS_TXPWR_DB_FACTOR) 335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define LOCALE_MIMO_IDX_bn 0 355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define LOCALE_MIMO_IDX_11n 0 365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */ 385b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define BRCMS_MAXPWR_MIMO_TBL_SIZE 14 395b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 405b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* maxpwr mapping to 5GHz band channels: 415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[0] - channels [34-48] 425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[1] - channels [52-60] 435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[2] - channels [62-64] 445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[3] - channels [100-140] 455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[4] - channels [149-165] 465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define BAND_5G_PWR_LVLS 5 /* 5 power levels for 5G */ 485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 495b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define LC(id) LOCALE_MIMO_IDX_ ## id 505b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 51edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee#define LOCALES(mimo2, mimo5) \ 52edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee {LC(mimo2), LC(mimo5)} 535b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 545b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* macro to get 5 GHz channel group index for tx power */ 555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define CHANNEL_POWER_IDX_5G(c) (((c) < 52) ? 0 : \ 565b435de0d786869c95d1962121af0d7df2542009Arend van Spriel (((c) < 62) ? 1 : \ 575b435de0d786869c95d1962121af0d7df2542009Arend van Spriel (((c) < 100) ? 2 : \ 585b435de0d786869c95d1962121af0d7df2542009Arend van Spriel (((c) < 149) ? 3 : 4)))) 595b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 60cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_2GHZ_2412_2462 REG_RULE(2412-10, 2462+10, 40, 0, 19, 0) 61cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_2GHZ_2467_2472 REG_RULE(2467-10, 2472+10, 20, 0, 19, \ 62cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 63cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 64cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 65cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_5GHZ_5180_5240 REG_RULE(5180-10, 5240+10, 40, 0, 21, \ 66cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 67cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 68cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_5GHZ_5260_5320 REG_RULE(5260-10, 5320+10, 40, 0, 21, \ 69cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 70cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_DFS | \ 71cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 72cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_5GHZ_5500_5700 REG_RULE(5500-10, 5700+10, 40, 0, 21, \ 73cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 74cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_DFS | \ 75cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 76cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_5GHZ_5745_5825 REG_RULE(5745-10, 5825+10, 40, 0, 21, \ 77cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 78cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 79cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 80cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic const struct ieee80211_regdomain brcms_regdom_x2 = { 818a0961482698290713d14d7755d9280397804487Arend van Spriel .n_reg_rules = 6, 82cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee .alpha2 = "X2", 83cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee .reg_rules = { 84cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_2GHZ_2412_2462, 85cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_2GHZ_2467_2472, 86cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_5GHZ_5180_5240, 87cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_5GHZ_5260_5320, 88cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_5GHZ_5500_5700, 89cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_5GHZ_5745_5825, 90cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 91cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee}; 92cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 935b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* locale per-channel tx power limits for MIMO frames 945b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr arrays are index by channel for 2.4 GHz limits, and 955b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * by sub-band for 5 GHz limits using CHANNEL_POWER_IDX_5G(channel) 965b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 975b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstruct locale_mimo_info { 985b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* tx 20 MHz power limits, qdBm units */ 995b435de0d786869c95d1962121af0d7df2542009Arend van Spriel s8 maxpwr20[BRCMS_MAXPWR_MIMO_TBL_SIZE]; 1005b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* tx 40 MHz power limits, qdBm units */ 1015b435de0d786869c95d1962121af0d7df2542009Arend van Spriel s8 maxpwr40[BRCMS_MAXPWR_MIMO_TBL_SIZE]; 1025b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1035b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1045b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* Country names and abbreviations with locale defined from ISO 3166 */ 1055b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstruct country_info { 1065b435de0d786869c95d1962121af0d7df2542009Arend van Spriel const u8 locale_mimo_2G; /* 2.4G mimo info */ 1075b435de0d786869c95d1962121af0d7df2542009Arend van Spriel const u8 locale_mimo_5G; /* 5G mimo info */ 1085b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1095b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 110cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestruct brcms_regd { 111cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct country_info country; 112cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct ieee80211_regdomain *regdomain; 113cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee}; 114cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 1155b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstruct brcms_cm_info { 1165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_pub *pub; 1175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc; 118cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct brcms_regd *world_regd; 1195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* 1225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * MIMO Locale Definitions - 2.4 GHz 1235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 1245b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info locale_bn = { 1255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), 1265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), 1275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel QDB(13), QDB(13), QDB(13)}, 1285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel {0, 0, QDB(13), QDB(13), QDB(13), 1295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), 1305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel QDB(13), 0, 0}, 1315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1335b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info *g_mimo_2g_table[] = { 1345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel &locale_bn 1355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* 1385b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * MIMO Locale Definitions - 5 GHz 1395b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 1405b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info locale_11n = { 1415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)}, 1425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)}, 1435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1455b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info *g_mimo_5g_table[] = { 1465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel &locale_11n 1475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 149cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic const struct brcms_regd cntry_locales[] = { 150cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee /* Worldwide RoW 2, must always be at index 0 */ 1515b435de0d786869c95d1962121af0d7df2542009Arend van Spriel { 152edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee .country = LOCALES(bn, 11n), 153cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee .regdomain = &brcms_regdom_x2, 154cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee }, 1555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1565b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1575b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info *brcms_c_get_mimo_2g(u8 locale_idx) 1585b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 1595b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) 1605b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return NULL; 1615b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return g_mimo_2g_table[locale_idx]; 1635b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 1645b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1655b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info *brcms_c_get_mimo_5g(u8 locale_idx) 1665b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 1675b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) 1685b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return NULL; 1695b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1705b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return g_mimo_5g_table[locale_idx]; 1715b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 1725b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 17394a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel/* 17494a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * Indicates whether the country provided is valid to pass 17594a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * to cfg80211 or not. 17694a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * 17794a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * returns true if valid; false if not. 17894a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel */ 17994a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Sprielstatic bool brcms_c_country_valid(const char *ccode) 18094a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel{ 18194a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel /* 18294a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * only allow ascii alpha uppercase for the first 2 18394a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * chars. 18494a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel */ 18594a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel if (!((0x80 & ccode[0]) == 0 && ccode[0] >= 0x41 && ccode[0] <= 0x5A && 18694a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel (0x80 & ccode[1]) == 0 && ccode[1] >= 0x41 && ccode[1] <= 0x5A && 18794a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel ccode[2] == '\0')) 18894a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel return false; 18994a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel 19094a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel /* 19194a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * do not match ISO 3166-1 user assigned country codes 19294a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * that may be in the driver table 19394a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel */ 19494a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel if (!strcmp("AA", ccode) || /* AA */ 19594a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel !strcmp("ZZ", ccode) || /* ZZ */ 19694a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel ccode[0] == 'X' || /* XA - XZ */ 19794a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel (ccode[0] == 'Q' && /* QM - QZ */ 19894a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel (ccode[1] >= 'M' && ccode[1] <= 'Z'))) 19994a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel return false; 20094a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel 20194a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel if (!strcmp("NA", ccode)) 20294a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel return false; 20394a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel 20494a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel return true; 20594a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel} 20694a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel 207cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic const struct brcms_regd *brcms_world_regd(const char *regdom, int len) 2085b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 209cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct brcms_regd *regd = NULL; 210cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee int i; 2115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 212cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (i = 0; i < ARRAY_SIZE(cntry_locales); i++) { 213cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!strncmp(regdom, cntry_locales[i].regdomain->alpha2, len)) { 214cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee regd = &cntry_locales[i]; 215cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee break; 216cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 2175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 2185b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 219cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee return regd; 2205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 2215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 222cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic const struct brcms_regd *brcms_default_world_regd(void) 2235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 224cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee return &cntry_locales[0]; 2255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 2265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* JP, J1 - J10 are Japan ccodes */ 2285b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic bool brcms_c_japan_ccode(const char *ccode) 2295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 2305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return (ccode[0] == 'J' && 2315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9'))); 2325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 2335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2345b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic void 2355b435de0d786869c95d1962121af0d7df2542009Arend van Sprielbrcms_c_channel_min_txpower_limits_with_local_constraint( 2365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_cm_info *wlc_cm, struct txpwr_limits *txpwr, 2375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel u8 local_constraint_qdbm) 2385b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 2395b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int j; 2405b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* CCK Rates */ 2425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) 2435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm); 2445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20 MHz Legacy OFDM SISO */ 2465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) 2475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm); 2485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2495b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20 MHz Legacy OFDM CDD */ 2505b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++) 2515b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_cdd[j] = 2525b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->ofdm_cdd[j], local_constraint_qdbm); 2535b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2545b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40 MHz Legacy OFDM SISO */ 2555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++) 2565b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_siso[j] = 2575b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->ofdm_40_siso[j], local_constraint_qdbm); 2585b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2595b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40 MHz Legacy OFDM CDD */ 2605b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++) 2615b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_cdd[j] = 2625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm); 2635b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2645b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20MHz MCS 0-7 SISO */ 2655b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2665b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_siso[j] = 2675b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_20_siso[j], local_constraint_qdbm); 2685b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2695b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20MHz MCS 0-7 CDD */ 2705b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2715b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_cdd[j] = 2725b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_20_cdd[j], local_constraint_qdbm); 2735b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2745b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20MHz MCS 0-7 STBC */ 2755b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2765b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_stbc[j] = 2775b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_20_stbc[j], local_constraint_qdbm); 2785b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2795b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20MHz MCS 8-15 MIMO */ 2805b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++) 2815b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_mimo[j] = 2825b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_20_mimo[j], local_constraint_qdbm); 2835b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2845b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 0-7 SISO */ 2855b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2865b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_siso[j] = 2875b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_40_siso[j], local_constraint_qdbm); 2885b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2895b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 0-7 CDD */ 2905b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2915b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_cdd[j] = 2925b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_40_cdd[j], local_constraint_qdbm); 2935b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2945b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 0-7 STBC */ 2955b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2965b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_stbc[j] = 2975b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_40_stbc[j], local_constraint_qdbm); 2985b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2995b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 8-15 MIMO */ 3005b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++) 3015b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_mimo[j] = 3025b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_40_mimo[j], local_constraint_qdbm); 3035b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3045b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 32 */ 3055b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm); 3065b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3075b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 3085b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3095b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* 3105b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * set the driver's current country and regulatory information 3115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * using a country code as the source. Look up built in country 3125b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * information found with the country code. 3135b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 3145b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic void 315cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheebrcms_c_set_country(struct brcms_cm_info *wlc_cm, 316cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct brcms_regd *regd) 3175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 3185b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc = wlc_cm->wlc; 3195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if ((wlc->pub->_n_enab & SUPPORT_11N) != 3215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc->protection->nmode_user) 3225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_set_nmode(wlc); 3235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]); 3255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]); 3265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 327edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false); 3285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return; 3305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 3315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3325b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstruct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc) 3335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 3345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_cm_info *wlc_cm; 3355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_pub *pub = wlc->pub; 336898d3c3b2462cd439edb575f43b732425693aff0Hauke Mehrtens struct ssb_sprom *sprom = &wlc->hw->d11core->bus->sprom; 337cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const char *ccode = sprom->alpha2; 338cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee int ccode_len = sizeof(sprom->alpha2); 3395b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3405b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc_cm = kzalloc(sizeof(struct brcms_cm_info), GFP_ATOMIC); 3415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (wlc_cm == NULL) 3425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return NULL; 3435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc_cm->pub = pub; 3445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc_cm->wlc = wlc; 3455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc->cmi = wlc_cm; 3465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* store the country code for passing up as a regulatory hint */ 348cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc_cm->world_regd = brcms_world_regd(ccode, ccode_len); 349cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (brcms_c_country_valid(ccode)) 350cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee strncpy(wlc->pub->srom_ccode, ccode, ccode_len); 351cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 352cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee /* 353cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee * If no custom world domain is found in the SROM, use the 354cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee * default "X2" domain. 355cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee */ 356cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!wlc_cm->world_regd) { 357cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc_cm->world_regd = brcms_default_world_regd(); 358cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ccode = wlc_cm->world_regd->regdomain->alpha2; 359cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ccode_len = BRCM_CNTRY_BUF_SZ - 1; 360cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 3615b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* save default country for exiting 11d regulatory mode */ 363cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee strncpy(wlc->country_default, ccode, ccode_len); 3645b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3655b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* initialize autocountry_default to driver default */ 366cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee strncpy(wlc->autocountry_default, ccode, ccode_len); 3675b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 368cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_c_set_country(wlc_cm, wlc_cm->world_regd); 3695b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3705b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return wlc_cm; 3715b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 3725b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3735b435de0d786869c95d1962121af0d7df2542009Arend van Sprielvoid brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm) 3745b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 3755b435de0d786869c95d1962121af0d7df2542009Arend van Spriel kfree(wlc_cm); 3765b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 3775b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3785b435de0d786869c95d1962121af0d7df2542009Arend van Sprielvoid 3795b435de0d786869c95d1962121af0d7df2542009Arend van Sprielbrcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, 3805b435de0d786869c95d1962121af0d7df2542009Arend van Spriel u8 local_constraint_qdbm) 3815b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 3825b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc = wlc_cm->wlc; 383853346d8b60738467581d1cd9ccb678aeb086121Seth Forshee struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; 3845b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct txpwr_limits txpwr; 3855b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3865b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr); 3875b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3885b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_channel_min_txpower_limits_with_local_constraint( 3895b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc_cm, &txpwr, local_constraint_qdbm 3905b435de0d786869c95d1962121af0d7df2542009Arend van Spriel ); 3915b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 392edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee /* set or restore gmode as required by regulatory */ 3937f38e5bc93203bc76b215dcd2df2067b5b0e004cSeth Forshee if (ch->flags & IEEE80211_CHAN_NO_OFDM) 394edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee brcms_c_set_gmode(wlc, GMODE_LEGACY_B, false); 395edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee else 396edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false); 397edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee 3985b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_b_set_chanspec(wlc->hw, chanspec, 399853346d8b60738467581d1cd9ccb678aeb086121Seth Forshee !!(ch->flags & IEEE80211_CHAN_PASSIVE_SCAN), 4005b435de0d786869c95d1962121af0d7df2542009Arend van Spriel &txpwr); 4015b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 4025b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4035b435de0d786869c95d1962121af0d7df2542009Arend van Sprielvoid 4045b435de0d786869c95d1962121af0d7df2542009Arend van Sprielbrcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec, 4055b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct txpwr_limits *txpwr) 4065b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 4075b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc = wlc_cm->wlc; 4082cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; 4095b435de0d786869c95d1962121af0d7df2542009Arend van Spriel uint i; 4105b435de0d786869c95d1962121af0d7df2542009Arend van Spriel uint chan; 4115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int maxpwr; 4125b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int delta; 4135b435de0d786869c95d1962121af0d7df2542009Arend van Spriel const struct country_info *country; 4145b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_band *band; 4155b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int conducted_max = BRCMS_TXPWR_MAX; 4165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel const struct locale_mimo_info *li_mimo; 4175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int maxpwr20, maxpwr40; 4185b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int maxpwr_idx; 4195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel uint j; 4205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel memset(txpwr, 0, sizeof(struct txpwr_limits)); 4225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4232cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee if (WARN_ON(!ch)) 4242cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee return; 4252cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee 426cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee country = &wlc_cm->world_regd->country; 4275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel chan = CHSPEC_CHANNEL(chanspec); 4295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel band = wlc->bandstate[chspec_bandunit(chanspec)]; 4305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel li_mimo = (band->bandtype == BRCM_BAND_5G) ? 4315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_get_mimo_5g(country->locale_mimo_5G) : 4325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_get_mimo_2g(country->locale_mimo_2G); 4335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4342cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee delta = band->antgain; 4355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 436edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee if (band->bandtype == BRCM_BAND_2G) 4375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel conducted_max = QDB(22); 4382cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee 4392cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee maxpwr = QDB(ch->max_power) - delta; 4402cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee maxpwr = max(maxpwr, 0); 4412cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee maxpwr = min(maxpwr, conducted_max); 4425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* CCK txpwr limits for 2.4G band */ 4445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (band->bandtype == BRCM_BAND_2G) { 4455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_CCK; i++) 4465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->cck[i] = (u8) maxpwr; 4475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 4485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4492cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++) { 4505b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm[i] = (u8) maxpwr; 4515b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4525b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 4535b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * OFDM 40 MHz SISO has the same power as the corresponding 4545b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * MCS0-7 rate unless overriden by the locale specific code. 4555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * We set this value to 0 as a flag (presumably 0 dBm isn't 4565b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * a possibility) and then copy the MCS0-7 value to the 40 MHz 4575b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * value if it wasn't explicitly set. 4585b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 4595b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_siso[i] = 0; 4605b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4615b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_cdd[i] = (u8) maxpwr; 4625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4635b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_cdd[i] = 0; 4645b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 4655b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4662cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee delta = 0; 4672cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee if (band->antgain > QDB(6)) 4682cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee delta = band->antgain - QDB(6); /* Excess over 6 dB */ 4695b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4705b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (band->bandtype == BRCM_BAND_2G) 4715b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr_idx = (chan - 1); 4725b435de0d786869c95d1962121af0d7df2542009Arend van Spriel else 4735b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr_idx = CHANNEL_POWER_IDX_5G(chan); 4745b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4755b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr20 = li_mimo->maxpwr20[maxpwr_idx]; 4765b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = li_mimo->maxpwr40[maxpwr_idx]; 4775b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4785b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr20 = maxpwr20 - delta; 4795b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr20 = max(maxpwr20, 0); 4805b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = maxpwr40 - delta; 4815b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = max(maxpwr40, 0); 4825b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4835b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in the MCS 0-7 (SISO) rates */ 4845b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 4855b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4865b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 4875b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * 20 MHz has the same power as the corresponding OFDM rate 4885b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * unless overriden by the locale specific code. 4895b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 4905b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_siso[i] = txpwr->ofdm[i]; 4915b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_siso[i] = 0; 4925b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 4935b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4945b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in the MCS 0-7 CDD rates */ 4955b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 4965b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_cdd[i] = (u8) maxpwr20; 4975b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_cdd[i] = (u8) maxpwr40; 4985b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 4995b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5005b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 5015b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * These locales have SISO expressed in the 5025b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * table and override CDD later 5035b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 5045b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (li_mimo == &locale_bn) { 5055b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (li_mimo == &locale_bn) { 5065b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr20 = QDB(16); 5075b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = 0; 5085b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5095b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (chan >= 3 && chan <= 11) 5105b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = QDB(16); 5115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5125b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5135b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 5145b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_siso[i] = (u8) maxpwr20; 5155b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_siso[i] = (u8) maxpwr40; 5165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5185b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in the MCS 0-7 STBC rates */ 5205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 5215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_stbc[i] = 0; 5225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_stbc[i] = 0; 5235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in the MCS 8-15 SDM rates */ 5265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_2_STREAM; i++) { 5275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_mimo[i] = (u8) maxpwr20; 5285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_mimo[i] = (u8) maxpwr40; 5295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in MCS32 */ 5325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs32 = (u8) maxpwr40; 5335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) { 5355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->ofdm_40_cdd[i] == 0) 5365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j]; 5375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (i == 0) { 5385b435de0d786869c95d1962121af0d7df2542009Arend van Spriel i = i + 1; 5395b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->ofdm_40_cdd[i] == 0) 5405b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j]; 5415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 5455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO 5465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * value if it wasn't provided explicitly. 5475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 5485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 5495b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->mcs_40_siso[i] == 0) 5505b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i]; 5515b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5525b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5535b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) { 5545b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->ofdm_40_siso[i] == 0) 5555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j]; 5565b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (i == 0) { 5575b435de0d786869c95d1962121af0d7df2542009Arend van Spriel i = i + 1; 5585b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->ofdm_40_siso[i] == 0) 5595b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j]; 5605b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5615b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5635b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 5645b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding 5655b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * STBC values if they weren't provided explicitly. 5665b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 5675b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 5685b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->mcs_20_stbc[i] == 0) 5695b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i]; 5705b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5715b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->mcs_40_stbc[i] == 0) 5725b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i]; 5735b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5745b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5755b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return; 5765b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 5775b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5785b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* 5793de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers * Verify the chanspec is using a legal set of parameters, i.e. that the 5803de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers * chanspec specified a band, bw, ctl_sb and channel and that the 5813de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers * combination could be legal given any set of circumstances. 5823de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers * RETURNS: true is the chanspec is malformed, false if it looks good. 5833de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers */ 5843de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukersstatic bool brcms_c_chspec_malformed(u16 chanspec) 5853de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers{ 5863de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers /* must be 2G or 5G band */ 5873de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec)) 5883de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return true; 5893de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers /* must be 20 or 40 bandwidth */ 5903de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec)) 5913de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return true; 5923de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers 5933de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers /* 20MHZ b/w must have no ctl sb, 40 must have a ctl sb */ 5943de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (CHSPEC_IS20(chanspec)) { 5953de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (!CHSPEC_SB_NONE(chanspec)) 5963de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return true; 5973de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers } else if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) { 5983de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return true; 5993de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers } 6003de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers 6013de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return false; 6023de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers} 6033de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers 6043de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers/* 6055b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * Validate the chanspec for this locale, for 40MHZ we need to also 6065b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * check that the sidebands are valid 20MZH channels in this locale 6075b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * and they are also a legal HT combination 6085b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 6095b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic bool 610853346d8b60738467581d1cd9ccb678aeb086121Seth Forsheebrcms_c_valid_chanspec_ext(struct brcms_cm_info *wlc_cm, u16 chspec) 6115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 6125b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc = wlc_cm->wlc; 6135b435de0d786869c95d1962121af0d7df2542009Arend van Spriel u8 channel = CHSPEC_CHANNEL(chspec); 6145b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 6155b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* check the chanspec */ 6163de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (brcms_c_chspec_malformed(chspec)) { 617b353dda485038d5033b066cc946dfcf66afae128Seth Forshee brcms_err(wlc->hw->d11core, "wl%d: malformed chanspec 0x%x\n", 618b353dda485038d5033b066cc946dfcf66afae128Seth Forshee wlc->pub->unit, chspec); 6195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return false; 6205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 6215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 6225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) != 6235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel chspec_bandunit(chspec)) 6245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return false; 6255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 626853346d8b60738467581d1cd9ccb678aeb086121Seth Forshee return true; 6275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 6285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 6295b435de0d786869c95d1962121af0d7df2542009Arend van Sprielbool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, u16 chspec) 6305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 631853346d8b60738467581d1cd9ccb678aeb086121Seth Forshee return brcms_c_valid_chanspec_ext(wlc_cm, chspec); 6325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 633cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 634cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic bool brcms_is_radar_freq(u16 center_freq) 635cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 636cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee return center_freq >= 5260 && center_freq <= 5700; 637cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 638cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 639cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic void brcms_reg_apply_radar_flags(struct wiphy *wiphy) 640cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 641cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_supported_band *sband; 642cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_channel *ch; 643cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee int i; 644cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 645cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee sband = wiphy->bands[IEEE80211_BAND_5GHZ]; 646cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!sband) 647cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee return; 648cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 649cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (i = 0; i < sband->n_channels; i++) { 650cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch = &sband->channels[i]; 651cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 652cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!brcms_is_radar_freq(ch->center_freq)) 653cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee continue; 654cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 655cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee /* 656cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee * All channels in this range should be passive and have 657cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee * DFS enabled. 658cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee */ 659cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!(ch->flags & IEEE80211_CHAN_DISABLED)) 660cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags |= IEEE80211_CHAN_RADAR | 661cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee IEEE80211_CHAN_NO_IBSS | 662cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee IEEE80211_CHAN_PASSIVE_SCAN; 663cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 664cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 665cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 666cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic void 667cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheebrcms_reg_apply_beaconing_flags(struct wiphy *wiphy, 668cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee enum nl80211_reg_initiator initiator) 669cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 670cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_supported_band *sband; 671cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_channel *ch; 672cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct ieee80211_reg_rule *rule; 673361c9c8b0eeeec7d881e018d5143bf883558c566Johannes Berg int band, i; 674cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 675cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 676cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee sband = wiphy->bands[band]; 677cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!sband) 678cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee continue; 679cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 680cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (i = 0; i < sband->n_channels; i++) { 681cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch = &sband->channels[i]; 682cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 683cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (ch->flags & 684cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee (IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_RADAR)) 685cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee continue; 686cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 687cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { 688361c9c8b0eeeec7d881e018d5143bf883558c566Johannes Berg rule = freq_reg_info(wiphy, ch->center_freq); 689361c9c8b0eeeec7d881e018d5143bf883558c566Johannes Berg if (IS_ERR(rule)) 690cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee continue; 691cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 692cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!(rule->flags & NL80211_RRF_NO_IBSS)) 693cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags &= ~IEEE80211_CHAN_NO_IBSS; 694cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!(rule->flags & NL80211_RRF_PASSIVE_SCAN)) 695cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags &= 696cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ~IEEE80211_CHAN_PASSIVE_SCAN; 697cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } else if (ch->beacon_found) { 698cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags &= ~(IEEE80211_CHAN_NO_IBSS | 699cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee IEEE80211_CHAN_PASSIVE_SCAN); 700cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 701cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 702cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 703cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 704cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 7050c0280bd0ba410326eecdaeb1b936696eda6381dLuis R. Rodriguezstatic void brcms_reg_notifier(struct wiphy *wiphy, 7060c0280bd0ba410326eecdaeb1b936696eda6381dLuis R. Rodriguez struct regulatory_request *request) 707cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 708cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 709cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct brcms_info *wl = hw->priv; 710cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct brcms_c_info *wlc = wl->wlc; 7112ab631f48cac65864a61007215187cb7511b0846Seth Forshee struct ieee80211_supported_band *sband; 7122ab631f48cac65864a61007215187cb7511b0846Seth Forshee struct ieee80211_channel *ch; 7132ab631f48cac65864a61007215187cb7511b0846Seth Forshee int band, i; 7142ab631f48cac65864a61007215187cb7511b0846Seth Forshee bool ch_found = false; 715cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 716cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_reg_apply_radar_flags(wiphy); 717cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 718cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) 719cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_reg_apply_beaconing_flags(wiphy, request->initiator); 720cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 7212ab631f48cac65864a61007215187cb7511b0846Seth Forshee /* Disable radio if all channels disallowed by regulatory */ 7222ab631f48cac65864a61007215187cb7511b0846Seth Forshee for (band = 0; !ch_found && band < IEEE80211_NUM_BANDS; band++) { 7232ab631f48cac65864a61007215187cb7511b0846Seth Forshee sband = wiphy->bands[band]; 7242ab631f48cac65864a61007215187cb7511b0846Seth Forshee if (!sband) 7252ab631f48cac65864a61007215187cb7511b0846Seth Forshee continue; 7262ab631f48cac65864a61007215187cb7511b0846Seth Forshee 7272ab631f48cac65864a61007215187cb7511b0846Seth Forshee for (i = 0; !ch_found && i < sband->n_channels; i++) { 7282ab631f48cac65864a61007215187cb7511b0846Seth Forshee ch = &sband->channels[i]; 7292ab631f48cac65864a61007215187cb7511b0846Seth Forshee 7302ab631f48cac65864a61007215187cb7511b0846Seth Forshee if (!(ch->flags & IEEE80211_CHAN_DISABLED)) 7312ab631f48cac65864a61007215187cb7511b0846Seth Forshee ch_found = true; 7322ab631f48cac65864a61007215187cb7511b0846Seth Forshee } 7332ab631f48cac65864a61007215187cb7511b0846Seth Forshee } 7342ab631f48cac65864a61007215187cb7511b0846Seth Forshee 7352ab631f48cac65864a61007215187cb7511b0846Seth Forshee if (ch_found) { 7362ab631f48cac65864a61007215187cb7511b0846Seth Forshee mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE); 7372ab631f48cac65864a61007215187cb7511b0846Seth Forshee } else { 7382ab631f48cac65864a61007215187cb7511b0846Seth Forshee mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE); 739b353dda485038d5033b066cc946dfcf66afae128Seth Forshee brcms_err(wlc->hw->d11core, 740b353dda485038d5033b066cc946dfcf66afae128Seth Forshee "wl%d: %s: no valid channel for \"%s\"\n", 7412ab631f48cac65864a61007215187cb7511b0846Seth Forshee wlc->pub->unit, __func__, request->alpha2); 7422ab631f48cac65864a61007215187cb7511b0846Seth Forshee } 7432ab631f48cac65864a61007215187cb7511b0846Seth Forshee 744cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (wlc->pub->_nbands > 1 || wlc->band->bandtype == BRCM_BAND_2G) 745cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi, 746cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_c_japan_ccode(request->alpha2)); 747cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 748cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 749cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheevoid brcms_c_regd_init(struct brcms_c_info *wlc) 750cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 751cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct wiphy *wiphy = wlc->wiphy; 752cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct brcms_regd *regd = wlc->cmi->world_regd; 753cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_supported_band *sband; 754cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_channel *ch; 755cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct brcms_chanvec sup_chan; 756cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct brcms_band *band; 757cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee int band_idx, i; 758cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 759cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee /* Disable any channels not supported by the phy */ 76032c336a5dfd16b4645c8a0dbc534efd02f079e02Arend van Spriel for (band_idx = 0; band_idx < wlc->pub->_nbands; band_idx++) { 76132c336a5dfd16b4645c8a0dbc534efd02f079e02Arend van Spriel band = wlc->bandstate[band_idx]; 762c49aa4aa2bc89e88672dc419a293d7b8c1f094d2Arend van Spriel 763cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc_phy_chanspec_band_validch(band->pi, band->bandtype, 764cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee &sup_chan); 765cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 76632c336a5dfd16b4645c8a0dbc534efd02f079e02Arend van Spriel if (band_idx == BAND_2G_INDEX) 76732c336a5dfd16b4645c8a0dbc534efd02f079e02Arend van Spriel sband = wiphy->bands[IEEE80211_BAND_2GHZ]; 76832c336a5dfd16b4645c8a0dbc534efd02f079e02Arend van Spriel else 76932c336a5dfd16b4645c8a0dbc534efd02f079e02Arend van Spriel sband = wiphy->bands[IEEE80211_BAND_5GHZ]; 77032c336a5dfd16b4645c8a0dbc534efd02f079e02Arend van Spriel 771cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (i = 0; i < sband->n_channels; i++) { 772cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch = &sband->channels[i]; 773cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!isset(sup_chan.vec, ch->hw_value)) 774cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags |= IEEE80211_CHAN_DISABLED; 775cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 776cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 777cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 778cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc->wiphy->reg_notifier = brcms_reg_notifier; 779cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | 780cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee WIPHY_FLAG_STRICT_REGULATORY; 781cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wiphy_apply_custom_regulatory(wlc->wiphy, regd->regdomain); 782cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_reg_apply_beaconing_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER); 783cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 784