channel.c revision c49aa4aa2bc89e88672dc419a293d7b8c1f094d2
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" 295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* QDB() macro takes a dB value and converts to a quarter dB value */ 315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define QDB(n) ((n) * BRCMS_TXPWR_DB_FACTOR) 325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define LOCALE_MIMO_IDX_bn 0 345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define LOCALE_MIMO_IDX_11n 0 355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* max of BAND_5G_PWR_LVLS and 14 for 2.4 GHz */ 375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define BRCMS_MAXPWR_MIMO_TBL_SIZE 14 385b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 395b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* maxpwr mapping to 5GHz band channels: 405b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[0] - channels [34-48] 415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[1] - channels [52-60] 425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[2] - channels [62-64] 435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[3] - channels [100-140] 445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr[4] - channels [149-165] 455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define BAND_5G_PWR_LVLS 5 /* 5 power levels for 5G */ 475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define LC(id) LOCALE_MIMO_IDX_ ## id 495b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 50edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee#define LOCALES(mimo2, mimo5) \ 51edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee {LC(mimo2), LC(mimo5)} 525b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 535b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* macro to get 5 GHz channel group index for tx power */ 545b435de0d786869c95d1962121af0d7df2542009Arend van Spriel#define CHANNEL_POWER_IDX_5G(c) (((c) < 52) ? 0 : \ 555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel (((c) < 62) ? 1 : \ 565b435de0d786869c95d1962121af0d7df2542009Arend van Spriel (((c) < 100) ? 2 : \ 575b435de0d786869c95d1962121af0d7df2542009Arend van Spriel (((c) < 149) ? 3 : 4)))) 585b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 59cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_2GHZ_2412_2462 REG_RULE(2412-10, 2462+10, 40, 0, 19, 0) 60cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_2GHZ_2467_2472 REG_RULE(2467-10, 2472+10, 20, 0, 19, \ 61cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 62cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 63cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 64cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_5GHZ_5180_5240 REG_RULE(5180-10, 5240+10, 40, 0, 21, \ 65cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 66cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 67cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_5GHZ_5260_5320 REG_RULE(5260-10, 5320+10, 40, 0, 21, \ 68cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 69cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_DFS | \ 70cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 71cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_5GHZ_5500_5700 REG_RULE(5500-10, 5700+10, 40, 0, 21, \ 72cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 73cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_DFS | \ 74cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 75cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee#define BRCM_5GHZ_5745_5825 REG_RULE(5745-10, 5825+10, 40, 0, 21, \ 76cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_PASSIVE_SCAN | \ 77cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee NL80211_RRF_NO_IBSS) 78cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 79cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic const struct ieee80211_regdomain brcms_regdom_x2 = { 80cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee .n_reg_rules = 7, 81cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee .alpha2 = "X2", 82cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee .reg_rules = { 83cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_2GHZ_2412_2462, 84cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_2GHZ_2467_2472, 85cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_5GHZ_5180_5240, 86cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_5GHZ_5260_5320, 87cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_5GHZ_5500_5700, 88cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee BRCM_5GHZ_5745_5825, 89cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 90cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee}; 91cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 925b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* locale per-channel tx power limits for MIMO frames 935b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * maxpwr arrays are index by channel for 2.4 GHz limits, and 945b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * by sub-band for 5 GHz limits using CHANNEL_POWER_IDX_5G(channel) 955b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 965b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstruct locale_mimo_info { 975b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* tx 20 MHz power limits, qdBm units */ 985b435de0d786869c95d1962121af0d7df2542009Arend van Spriel s8 maxpwr20[BRCMS_MAXPWR_MIMO_TBL_SIZE]; 995b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* tx 40 MHz power limits, qdBm units */ 1005b435de0d786869c95d1962121af0d7df2542009Arend van Spriel s8 maxpwr40[BRCMS_MAXPWR_MIMO_TBL_SIZE]; 1015b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1025b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1035b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* Country names and abbreviations with locale defined from ISO 3166 */ 1045b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstruct country_info { 1055b435de0d786869c95d1962121af0d7df2542009Arend van Spriel const u8 locale_mimo_2G; /* 2.4G mimo info */ 1065b435de0d786869c95d1962121af0d7df2542009Arend van Spriel const u8 locale_mimo_5G; /* 5G mimo info */ 1075b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1085b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 109cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestruct brcms_regd { 110cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct country_info country; 111cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct ieee80211_regdomain *regdomain; 112cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee}; 113cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 1145b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstruct brcms_cm_info { 1155b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_pub *pub; 1165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc; 117cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct brcms_regd *world_regd; 1185b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* 1215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * MIMO Locale Definitions - 2.4 GHz 1225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 1235b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info locale_bn = { 1245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel {QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), 1255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), 1265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel QDB(13), QDB(13), QDB(13)}, 1275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel {0, 0, QDB(13), QDB(13), QDB(13), 1285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel QDB(13), QDB(13), QDB(13), QDB(13), QDB(13), 1295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel QDB(13), 0, 0}, 1305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1325b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info *g_mimo_2g_table[] = { 1335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel &locale_bn 1345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* 1375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * MIMO Locale Definitions - 5 GHz 1385b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 1395b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info locale_11n = { 1405b435de0d786869c95d1962121af0d7df2542009Arend van Spriel { /* 12.5 dBm */ 50, 50, 50, QDB(15), QDB(15)}, 1415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel {QDB(14), QDB(15), QDB(15), QDB(15), QDB(15)}, 1425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1445b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info *g_mimo_5g_table[] = { 1455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel &locale_11n 1465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 148cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic const struct brcms_regd cntry_locales[] = { 149cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee /* Worldwide RoW 2, must always be at index 0 */ 1505b435de0d786869c95d1962121af0d7df2542009Arend van Spriel { 151edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee .country = LOCALES(bn, 11n), 152cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee .regdomain = &brcms_regdom_x2, 153cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee }, 1545b435de0d786869c95d1962121af0d7df2542009Arend van Spriel}; 1555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1565b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info *brcms_c_get_mimo_2g(u8 locale_idx) 1575b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 1585b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (locale_idx >= ARRAY_SIZE(g_mimo_2g_table)) 1595b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return NULL; 1605b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1615b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return g_mimo_2g_table[locale_idx]; 1625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 1635b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1645b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic const struct locale_mimo_info *brcms_c_get_mimo_5g(u8 locale_idx) 1655b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 1665b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (locale_idx >= ARRAY_SIZE(g_mimo_5g_table)) 1675b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return NULL; 1685b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 1695b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return g_mimo_5g_table[locale_idx]; 1705b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 1715b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 17294a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel/* 17394a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * Indicates whether the country provided is valid to pass 17494a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * to cfg80211 or not. 17594a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * 17694a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * returns true if valid; false if not. 17794a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel */ 17894a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Sprielstatic bool brcms_c_country_valid(const char *ccode) 17994a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel{ 18094a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel /* 18194a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * only allow ascii alpha uppercase for the first 2 18294a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * chars. 18394a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel */ 18494a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel if (!((0x80 & ccode[0]) == 0 && ccode[0] >= 0x41 && ccode[0] <= 0x5A && 18594a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel (0x80 & ccode[1]) == 0 && ccode[1] >= 0x41 && ccode[1] <= 0x5A && 18694a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel ccode[2] == '\0')) 18794a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel return false; 18894a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel 18994a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel /* 19094a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * do not match ISO 3166-1 user assigned country codes 19194a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel * that may be in the driver table 19294a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel */ 19394a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel if (!strcmp("AA", ccode) || /* AA */ 19494a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel !strcmp("ZZ", ccode) || /* ZZ */ 19594a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel ccode[0] == 'X' || /* XA - XZ */ 19694a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel (ccode[0] == 'Q' && /* QM - QZ */ 19794a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel (ccode[1] >= 'M' && ccode[1] <= 'Z'))) 19894a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel return false; 19994a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel 20094a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel if (!strcmp("NA", ccode)) 20194a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel return false; 20294a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel 20394a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel return true; 20494a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel} 20594a2ca311cf4154c566cf5c49b88c13cd4cdce73Arend van Spriel 206cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic const struct brcms_regd *brcms_world_regd(const char *regdom, int len) 2075b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 208cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct brcms_regd *regd = NULL; 209cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee int i; 2105b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 211cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (i = 0; i < ARRAY_SIZE(cntry_locales); i++) { 212cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!strncmp(regdom, cntry_locales[i].regdomain->alpha2, len)) { 213cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee regd = &cntry_locales[i]; 214cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee break; 215cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 2165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 2175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 218cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee return regd; 2195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 2205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 221cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic const struct brcms_regd *brcms_default_world_regd(void) 2225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 223cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee return &cntry_locales[0]; 2245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 2255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* JP, J1 - J10 are Japan ccodes */ 2275b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic bool brcms_c_japan_ccode(const char *ccode) 2285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 2295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return (ccode[0] == 'J' && 2305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel (ccode[1] == 'P' || (ccode[1] >= '1' && ccode[1] <= '9'))); 2315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 2325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2335b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic void 2345b435de0d786869c95d1962121af0d7df2542009Arend van Sprielbrcms_c_channel_min_txpower_limits_with_local_constraint( 2355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_cm_info *wlc_cm, struct txpwr_limits *txpwr, 2365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel u8 local_constraint_qdbm) 2375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 2385b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int j; 2395b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2405b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* CCK Rates */ 2415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < WL_TX_POWER_CCK_NUM; j++) 2425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->cck[j] = min(txpwr->cck[j], local_constraint_qdbm); 2435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20 MHz Legacy OFDM SISO */ 2455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < WL_TX_POWER_OFDM_NUM; j++) 2465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm[j] = min(txpwr->ofdm[j], local_constraint_qdbm); 2475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20 MHz Legacy OFDM CDD */ 2495b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++) 2505b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_cdd[j] = 2515b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->ofdm_cdd[j], local_constraint_qdbm); 2525b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2535b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40 MHz Legacy OFDM SISO */ 2545b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++) 2555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_siso[j] = 2565b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->ofdm_40_siso[j], local_constraint_qdbm); 2575b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2585b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40 MHz Legacy OFDM CDD */ 2595b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_OFDM; j++) 2605b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_cdd[j] = 2615b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->ofdm_40_cdd[j], local_constraint_qdbm); 2625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2635b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20MHz MCS 0-7 SISO */ 2645b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2655b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_siso[j] = 2665b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_20_siso[j], local_constraint_qdbm); 2675b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2685b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20MHz MCS 0-7 CDD */ 2695b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2705b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_cdd[j] = 2715b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_20_cdd[j], local_constraint_qdbm); 2725b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2735b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20MHz MCS 0-7 STBC */ 2745b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2755b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_stbc[j] = 2765b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_20_stbc[j], local_constraint_qdbm); 2775b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2785b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 20MHz MCS 8-15 MIMO */ 2795b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++) 2805b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_mimo[j] = 2815b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_20_mimo[j], local_constraint_qdbm); 2825b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2835b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 0-7 SISO */ 2845b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2855b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_siso[j] = 2865b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_40_siso[j], local_constraint_qdbm); 2875b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2885b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 0-7 CDD */ 2895b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2905b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_cdd[j] = 2915b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_40_cdd[j], local_constraint_qdbm); 2925b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2935b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 0-7 STBC */ 2945b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_1_STREAM; j++) 2955b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_stbc[j] = 2965b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_40_stbc[j], local_constraint_qdbm); 2975b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 2985b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 8-15 MIMO */ 2995b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (j = 0; j < BRCMS_NUM_RATES_MCS_2_STREAM; j++) 3005b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_mimo[j] = 3015b435de0d786869c95d1962121af0d7df2542009Arend van Spriel min(txpwr->mcs_40_mimo[j], local_constraint_qdbm); 3025b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3035b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 40MHz MCS 32 */ 3045b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs32 = min(txpwr->mcs32, local_constraint_qdbm); 3055b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3065b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 3075b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3085b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* 3095b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * set the driver's current country and regulatory information 3105b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * using a country code as the source. Look up built in country 3115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * information found with the country code. 3125b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 3135b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic void 314cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheebrcms_c_set_country(struct brcms_cm_info *wlc_cm, 315cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct brcms_regd *regd) 3165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 3175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc = wlc_cm->wlc; 3185b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if ((wlc->pub->_n_enab & SUPPORT_11N) != 3205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc->protection->nmode_user) 3215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_set_nmode(wlc); 3225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]); 3245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]); 3255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 326edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false); 3275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return; 3295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 3305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3315b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstruct brcms_cm_info *brcms_c_channel_mgr_attach(struct brcms_c_info *wlc) 3325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 3335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_cm_info *wlc_cm; 3345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_pub *pub = wlc->pub; 335898d3c3b2462cd439edb575f43b732425693aff0Hauke Mehrtens struct ssb_sprom *sprom = &wlc->hw->d11core->bus->sprom; 336cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const char *ccode = sprom->alpha2; 337cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee int ccode_len = sizeof(sprom->alpha2); 3385b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3395b435de0d786869c95d1962121af0d7df2542009Arend van Spriel BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit); 3405b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc_cm = kzalloc(sizeof(struct brcms_cm_info), GFP_ATOMIC); 3425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (wlc_cm == NULL) 3435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return NULL; 3445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc_cm->pub = pub; 3455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc_cm->wlc = wlc; 3465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc->cmi = wlc_cm; 3475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* store the country code for passing up as a regulatory hint */ 349cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc_cm->world_regd = brcms_world_regd(ccode, ccode_len); 350cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (brcms_c_country_valid(ccode)) 351cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee strncpy(wlc->pub->srom_ccode, ccode, ccode_len); 352cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 353cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee /* 354cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee * If no custom world domain is found in the SROM, use the 355cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee * default "X2" domain. 356cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee */ 357cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!wlc_cm->world_regd) { 358cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc_cm->world_regd = brcms_default_world_regd(); 359cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ccode = wlc_cm->world_regd->regdomain->alpha2; 360cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ccode_len = BRCM_CNTRY_BUF_SZ - 1; 361cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 3625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3635b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* save default country for exiting 11d regulatory mode */ 364cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee strncpy(wlc->country_default, ccode, ccode_len); 3655b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3665b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* initialize autocountry_default to driver default */ 367cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee strncpy(wlc->autocountry_default, ccode, ccode_len); 3685b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 369cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_c_set_country(wlc_cm, wlc_cm->world_regd); 3705b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3715b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return wlc_cm; 3725b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 3735b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3745b435de0d786869c95d1962121af0d7df2542009Arend van Sprielvoid brcms_c_channel_mgr_detach(struct brcms_cm_info *wlc_cm) 3755b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 3765b435de0d786869c95d1962121af0d7df2542009Arend van Spriel kfree(wlc_cm); 3775b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 3785b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3795b435de0d786869c95d1962121af0d7df2542009Arend van Sprielvoid 3805b435de0d786869c95d1962121af0d7df2542009Arend van Sprielbrcms_c_channel_set_chanspec(struct brcms_cm_info *wlc_cm, u16 chanspec, 3815b435de0d786869c95d1962121af0d7df2542009Arend van Spriel u8 local_constraint_qdbm) 3825b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 3835b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc = wlc_cm->wlc; 384853346d8b60738467581d1cd9ccb678aeb086121Seth Forshee struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; 385edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee const struct ieee80211_reg_rule *reg_rule; 3865b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct txpwr_limits txpwr; 387edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee int ret; 3885b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3895b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_channel_reg_limits(wlc_cm, chanspec, &txpwr); 3905b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 3915b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_channel_min_txpower_limits_with_local_constraint( 3925b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc_cm, &txpwr, local_constraint_qdbm 3935b435de0d786869c95d1962121af0d7df2542009Arend van Spriel ); 3945b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 395edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee /* set or restore gmode as required by regulatory */ 396edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee ret = freq_reg_info(wlc->wiphy, ch->center_freq, 0, ®_rule); 397edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee if (!ret && (reg_rule->flags & NL80211_RRF_NO_OFDM)) 398edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee brcms_c_set_gmode(wlc, GMODE_LEGACY_B, false); 399edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee else 400edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee brcms_c_set_gmode(wlc, wlc->protection->gmode_user, false); 401edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee 4025b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_b_set_chanspec(wlc->hw, chanspec, 403853346d8b60738467581d1cd9ccb678aeb086121Seth Forshee !!(ch->flags & IEEE80211_CHAN_PASSIVE_SCAN), 4045b435de0d786869c95d1962121af0d7df2542009Arend van Spriel &txpwr); 4055b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 4065b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4075b435de0d786869c95d1962121af0d7df2542009Arend van Sprielvoid 4085b435de0d786869c95d1962121af0d7df2542009Arend van Sprielbrcms_c_channel_reg_limits(struct brcms_cm_info *wlc_cm, u16 chanspec, 4095b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct txpwr_limits *txpwr) 4105b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 4115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc = wlc_cm->wlc; 4122cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; 4135b435de0d786869c95d1962121af0d7df2542009Arend van Spriel uint i; 4145b435de0d786869c95d1962121af0d7df2542009Arend van Spriel uint chan; 4155b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int maxpwr; 4165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int delta; 4175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel const struct country_info *country; 4185b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_band *band; 4195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int conducted_max = BRCMS_TXPWR_MAX; 4205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel const struct locale_mimo_info *li_mimo; 4215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int maxpwr20, maxpwr40; 4225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel int maxpwr_idx; 4235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel uint j; 4245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel memset(txpwr, 0, sizeof(struct txpwr_limits)); 4265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4272cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee if (WARN_ON(!ch)) 4282cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee return; 4292cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee 430cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee country = &wlc_cm->world_regd->country; 4315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel chan = CHSPEC_CHANNEL(chanspec); 4335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel band = wlc->bandstate[chspec_bandunit(chanspec)]; 4345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel li_mimo = (band->bandtype == BRCM_BAND_5G) ? 4355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_get_mimo_5g(country->locale_mimo_5G) : 4365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel brcms_c_get_mimo_2g(country->locale_mimo_2G); 4375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4382cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee delta = band->antgain; 4395b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 440edc7651f3a4ffa7fca37d92401562694121512adSeth Forshee if (band->bandtype == BRCM_BAND_2G) 4415b435de0d786869c95d1962121af0d7df2542009Arend van Spriel conducted_max = QDB(22); 4422cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee 4432cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee maxpwr = QDB(ch->max_power) - delta; 4442cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee maxpwr = max(maxpwr, 0); 4452cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee maxpwr = min(maxpwr, conducted_max); 4465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* CCK txpwr limits for 2.4G band */ 4485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (band->bandtype == BRCM_BAND_2G) { 4495b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_CCK; i++) 4505b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->cck[i] = (u8) maxpwr; 4515b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 4525b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4532cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee for (i = 0; i < BRCMS_NUM_RATES_OFDM; i++) { 4545b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm[i] = (u8) maxpwr; 4555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4565b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 4575b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * OFDM 40 MHz SISO has the same power as the corresponding 4585b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * MCS0-7 rate unless overriden by the locale specific code. 4595b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * We set this value to 0 as a flag (presumably 0 dBm isn't 4605b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * a possibility) and then copy the MCS0-7 value to the 40 MHz 4615b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * value if it wasn't explicitly set. 4625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 4635b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_siso[i] = 0; 4645b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4655b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_cdd[i] = (u8) maxpwr; 4665b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4675b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_cdd[i] = 0; 4685b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 4695b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4702cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee delta = 0; 4712cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee if (band->antgain > QDB(6)) 4722cf5089ed5ae4a8f73427234cb83c42eaaf34d46Seth Forshee delta = band->antgain - QDB(6); /* Excess over 6 dB */ 4735b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4745b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (band->bandtype == BRCM_BAND_2G) 4755b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr_idx = (chan - 1); 4765b435de0d786869c95d1962121af0d7df2542009Arend van Spriel else 4775b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr_idx = CHANNEL_POWER_IDX_5G(chan); 4785b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4795b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr20 = li_mimo->maxpwr20[maxpwr_idx]; 4805b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = li_mimo->maxpwr40[maxpwr_idx]; 4815b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4825b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr20 = maxpwr20 - delta; 4835b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr20 = max(maxpwr20, 0); 4845b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = maxpwr40 - delta; 4855b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = max(maxpwr40, 0); 4865b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4875b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in the MCS 0-7 (SISO) rates */ 4885b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 4895b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4905b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 4915b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * 20 MHz has the same power as the corresponding OFDM rate 4925b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * unless overriden by the locale specific code. 4935b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 4945b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_siso[i] = txpwr->ofdm[i]; 4955b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_siso[i] = 0; 4965b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 4975b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 4985b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in the MCS 0-7 CDD rates */ 4995b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 5005b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_cdd[i] = (u8) maxpwr20; 5015b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_cdd[i] = (u8) maxpwr40; 5025b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5035b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5045b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 5055b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * These locales have SISO expressed in the 5065b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * table and override CDD later 5075b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 5085b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (li_mimo == &locale_bn) { 5095b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (li_mimo == &locale_bn) { 5105b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr20 = QDB(16); 5115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = 0; 5125b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5135b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (chan >= 3 && chan <= 11) 5145b435de0d786869c95d1962121af0d7df2542009Arend van Spriel maxpwr40 = QDB(16); 5155b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 5185b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_siso[i] = (u8) maxpwr20; 5195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_siso[i] = (u8) maxpwr40; 5205b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in the MCS 0-7 STBC rates */ 5245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 5255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_stbc[i] = 0; 5265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_stbc[i] = 0; 5275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in the MCS 8-15 SDM rates */ 5305b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_2_STREAM; i++) { 5315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_mimo[i] = (u8) maxpwr20; 5325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_mimo[i] = (u8) maxpwr40; 5335b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5355b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* Fill in MCS32 */ 5365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs32 = (u8) maxpwr40; 5375b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5385b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) { 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 if (i == 0) { 5425b435de0d786869c95d1962121af0d7df2542009Arend van Spriel i = i + 1; 5435b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->ofdm_40_cdd[i] == 0) 5445b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_cdd[i] = txpwr->mcs_40_cdd[j]; 5455b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5465b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5475b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5485b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 5495b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * Copy the 40 MHZ MCS 0-7 CDD value to the 40 MHZ MCS 0-7 SISO 5505b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * value if it wasn't provided explicitly. 5515b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 5525b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 5535b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->mcs_40_siso[i] == 0) 5545b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_siso[i] = txpwr->mcs_40_cdd[i]; 5555b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5565b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5575b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0, j = 0; i < BRCMS_NUM_RATES_OFDM; i++, j++) { 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 if (i == 0) { 5615b435de0d786869c95d1962121af0d7df2542009Arend van Spriel i = i + 1; 5625b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->ofdm_40_siso[i] == 0) 5635b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->ofdm_40_siso[i] = txpwr->mcs_40_siso[j]; 5645b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5655b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5665b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5675b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* 5685b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * Copy the 20 and 40 MHz MCS0-7 CDD values to the corresponding 5695b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * STBC values if they weren't provided explicitly. 5705b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 5715b435de0d786869c95d1962121af0d7df2542009Arend van Spriel for (i = 0; i < BRCMS_NUM_RATES_MCS_1_STREAM; i++) { 5725b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->mcs_20_stbc[i] == 0) 5735b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_20_stbc[i] = txpwr->mcs_20_cdd[i]; 5745b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5755b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (txpwr->mcs_40_stbc[i] == 0) 5765b435de0d786869c95d1962121af0d7df2542009Arend van Spriel txpwr->mcs_40_stbc[i] = txpwr->mcs_40_cdd[i]; 5775b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 5785b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5795b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return; 5805b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 5815b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 5825b435de0d786869c95d1962121af0d7df2542009Arend van Spriel/* 5833de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers * Verify the chanspec is using a legal set of parameters, i.e. that the 5843de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers * chanspec specified a band, bw, ctl_sb and channel and that the 5853de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers * combination could be legal given any set of circumstances. 5863de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers * RETURNS: true is the chanspec is malformed, false if it looks good. 5873de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers */ 5883de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukersstatic bool brcms_c_chspec_malformed(u16 chanspec) 5893de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers{ 5903de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers /* must be 2G or 5G band */ 5913de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec)) 5923de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return true; 5933de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers /* must be 20 or 40 bandwidth */ 5943de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec)) 5953de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return true; 5963de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers 5973de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers /* 20MHZ b/w must have no ctl sb, 40 must have a ctl sb */ 5983de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (CHSPEC_IS20(chanspec)) { 5993de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (!CHSPEC_SB_NONE(chanspec)) 6003de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return true; 6013de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers } else if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) { 6023de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return true; 6033de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers } 6043de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers 6053de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers return false; 6063de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers} 6073de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers 6083de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers/* 6095b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * Validate the chanspec for this locale, for 40MHZ we need to also 6105b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * check that the sidebands are valid 20MZH channels in this locale 6115b435de0d786869c95d1962121af0d7df2542009Arend van Spriel * and they are also a legal HT combination 6125b435de0d786869c95d1962121af0d7df2542009Arend van Spriel */ 6135b435de0d786869c95d1962121af0d7df2542009Arend van Sprielstatic bool 614853346d8b60738467581d1cd9ccb678aeb086121Seth Forsheebrcms_c_valid_chanspec_ext(struct brcms_cm_info *wlc_cm, u16 chspec) 6155b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 6165b435de0d786869c95d1962121af0d7df2542009Arend van Spriel struct brcms_c_info *wlc = wlc_cm->wlc; 6175b435de0d786869c95d1962121af0d7df2542009Arend van Spriel u8 channel = CHSPEC_CHANNEL(chspec); 6185b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 6195b435de0d786869c95d1962121af0d7df2542009Arend van Spriel /* check the chanspec */ 6203de67818e7e7ef95c8f7eac665dd29454c07b48bAlwin Beukers if (brcms_c_chspec_malformed(chspec)) { 6215b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wiphy_err(wlc->wiphy, "wl%d: malformed chanspec 0x%x\n", 6225b435de0d786869c95d1962121af0d7df2542009Arend van Spriel wlc->pub->unit, chspec); 6235b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return false; 6245b435de0d786869c95d1962121af0d7df2542009Arend van Spriel } 6255b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 6265b435de0d786869c95d1962121af0d7df2542009Arend van Spriel if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) != 6275b435de0d786869c95d1962121af0d7df2542009Arend van Spriel chspec_bandunit(chspec)) 6285b435de0d786869c95d1962121af0d7df2542009Arend van Spriel return false; 6295b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 630853346d8b60738467581d1cd9ccb678aeb086121Seth Forshee return true; 6315b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 6325b435de0d786869c95d1962121af0d7df2542009Arend van Spriel 6335b435de0d786869c95d1962121af0d7df2542009Arend van Sprielbool brcms_c_valid_chanspec_db(struct brcms_cm_info *wlc_cm, u16 chspec) 6345b435de0d786869c95d1962121af0d7df2542009Arend van Spriel{ 635853346d8b60738467581d1cd9ccb678aeb086121Seth Forshee return brcms_c_valid_chanspec_ext(wlc_cm, chspec); 6365b435de0d786869c95d1962121af0d7df2542009Arend van Spriel} 637cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 638cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic bool brcms_is_radar_freq(u16 center_freq) 639cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 640cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee return center_freq >= 5260 && center_freq <= 5700; 641cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 642cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 643cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic void brcms_reg_apply_radar_flags(struct wiphy *wiphy) 644cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 645cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_supported_band *sband; 646cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_channel *ch; 647cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee int i; 648cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 649cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee sband = wiphy->bands[IEEE80211_BAND_5GHZ]; 650cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!sband) 651cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee return; 652cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 653cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (i = 0; i < sband->n_channels; i++) { 654cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch = &sband->channels[i]; 655cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 656cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!brcms_is_radar_freq(ch->center_freq)) 657cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee continue; 658cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 659cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee /* 660cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee * All channels in this range should be passive and have 661cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee * DFS enabled. 662cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee */ 663cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!(ch->flags & IEEE80211_CHAN_DISABLED)) 664cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags |= IEEE80211_CHAN_RADAR | 665cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee IEEE80211_CHAN_NO_IBSS | 666cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee IEEE80211_CHAN_PASSIVE_SCAN; 667cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 668cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 669cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 670cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic void 671cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheebrcms_reg_apply_beaconing_flags(struct wiphy *wiphy, 672cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee enum nl80211_reg_initiator initiator) 673cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 674cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_supported_band *sband; 675cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_channel *ch; 676cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct ieee80211_reg_rule *rule; 677cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee int band, i, ret; 678cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 679cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 680cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee sband = wiphy->bands[band]; 681cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!sband) 682cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee continue; 683cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 684cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (i = 0; i < sband->n_channels; i++) { 685cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch = &sband->channels[i]; 686cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 687cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (ch->flags & 688cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee (IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_RADAR)) 689cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee continue; 690cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 691cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { 692cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ret = freq_reg_info(wiphy, ch->center_freq, 693cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 0, &rule); 694cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (ret) 695cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee continue; 696cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 697cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!(rule->flags & NL80211_RRF_NO_IBSS)) 698cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags &= ~IEEE80211_CHAN_NO_IBSS; 699cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!(rule->flags & NL80211_RRF_PASSIVE_SCAN)) 700cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags &= 701cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ~IEEE80211_CHAN_PASSIVE_SCAN; 702cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } else if (ch->beacon_found) { 703cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags &= ~(IEEE80211_CHAN_NO_IBSS | 704cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee IEEE80211_CHAN_PASSIVE_SCAN); 705cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 706cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 707cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 708cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 709cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 710cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheestatic int brcms_reg_notifier(struct wiphy *wiphy, 711cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct regulatory_request *request) 712cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 713cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 714cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct brcms_info *wl = hw->priv; 715cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct brcms_c_info *wlc = wl->wlc; 7162ab631f48cac65864a61007215187cb7511b0846Seth Forshee struct ieee80211_supported_band *sband; 7172ab631f48cac65864a61007215187cb7511b0846Seth Forshee struct ieee80211_channel *ch; 7182ab631f48cac65864a61007215187cb7511b0846Seth Forshee int band, i; 7192ab631f48cac65864a61007215187cb7511b0846Seth Forshee bool ch_found = false; 720cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 721cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_reg_apply_radar_flags(wiphy); 722cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 723cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) 724cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_reg_apply_beaconing_flags(wiphy, request->initiator); 725cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 7262ab631f48cac65864a61007215187cb7511b0846Seth Forshee /* Disable radio if all channels disallowed by regulatory */ 7272ab631f48cac65864a61007215187cb7511b0846Seth Forshee for (band = 0; !ch_found && band < IEEE80211_NUM_BANDS; band++) { 7282ab631f48cac65864a61007215187cb7511b0846Seth Forshee sband = wiphy->bands[band]; 7292ab631f48cac65864a61007215187cb7511b0846Seth Forshee if (!sband) 7302ab631f48cac65864a61007215187cb7511b0846Seth Forshee continue; 7312ab631f48cac65864a61007215187cb7511b0846Seth Forshee 7322ab631f48cac65864a61007215187cb7511b0846Seth Forshee for (i = 0; !ch_found && i < sband->n_channels; i++) { 7332ab631f48cac65864a61007215187cb7511b0846Seth Forshee ch = &sband->channels[i]; 7342ab631f48cac65864a61007215187cb7511b0846Seth Forshee 7352ab631f48cac65864a61007215187cb7511b0846Seth Forshee if (!(ch->flags & IEEE80211_CHAN_DISABLED)) 7362ab631f48cac65864a61007215187cb7511b0846Seth Forshee ch_found = true; 7372ab631f48cac65864a61007215187cb7511b0846Seth Forshee } 7382ab631f48cac65864a61007215187cb7511b0846Seth Forshee } 7392ab631f48cac65864a61007215187cb7511b0846Seth Forshee 7402ab631f48cac65864a61007215187cb7511b0846Seth Forshee if (ch_found) { 7412ab631f48cac65864a61007215187cb7511b0846Seth Forshee mboolclr(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE); 7422ab631f48cac65864a61007215187cb7511b0846Seth Forshee } else { 7432ab631f48cac65864a61007215187cb7511b0846Seth Forshee mboolset(wlc->pub->radio_disabled, WL_RADIO_COUNTRY_DISABLE); 7442ab631f48cac65864a61007215187cb7511b0846Seth Forshee wiphy_err(wlc->wiphy, "wl%d: %s: no valid channel for \"%s\"\n", 7452ab631f48cac65864a61007215187cb7511b0846Seth Forshee wlc->pub->unit, __func__, request->alpha2); 7462ab631f48cac65864a61007215187cb7511b0846Seth Forshee } 7472ab631f48cac65864a61007215187cb7511b0846Seth Forshee 748cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (wlc->pub->_nbands > 1 || wlc->band->bandtype == BRCM_BAND_2G) 749cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc_phy_chanspec_ch14_widefilter_set(wlc->band->pi, 750cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_c_japan_ccode(request->alpha2)); 751cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 752cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee return 0; 753cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 754cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 755cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forsheevoid brcms_c_regd_init(struct brcms_c_info *wlc) 756cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee{ 757cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct wiphy *wiphy = wlc->wiphy; 758cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee const struct brcms_regd *regd = wlc->cmi->world_regd; 759cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_supported_band *sband; 760cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct ieee80211_channel *ch; 761cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct brcms_chanvec sup_chan; 762cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee struct brcms_band *band; 763cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee int band_idx, i; 764cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 765cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee /* Disable any channels not supported by the phy */ 766cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (band_idx = 0; band_idx < IEEE80211_NUM_BANDS; band_idx++) { 767cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (band_idx == IEEE80211_BAND_2GHZ) 768cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee band = wlc->bandstate[BAND_2G_INDEX]; 769cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee else 770cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee band = wlc->bandstate[BAND_5G_INDEX]; 771c49aa4aa2bc89e88672dc419a293d7b8c1f094d2Arend van Spriel 772c49aa4aa2bc89e88672dc419a293d7b8c1f094d2Arend van Spriel /* skip if band not initialized */ 773c49aa4aa2bc89e88672dc419a293d7b8c1f094d2Arend van Spriel if (band->pi == NULL) 774c49aa4aa2bc89e88672dc419a293d7b8c1f094d2Arend van Spriel continue; 775c49aa4aa2bc89e88672dc419a293d7b8c1f094d2Arend van Spriel 776cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc_phy_chanspec_band_validch(band->pi, band->bandtype, 777cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee &sup_chan); 778cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 779cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee sband = wiphy->bands[band_idx]; 780cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee for (i = 0; i < sband->n_channels; i++) { 781cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch = &sband->channels[i]; 782cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee if (!isset(sup_chan.vec, ch->hw_value)) 783cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee ch->flags |= IEEE80211_CHAN_DISABLED; 784cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 785cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee } 786cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee 787cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc->wiphy->reg_notifier = brcms_reg_notifier; 788cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wlc->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | 789cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee WIPHY_FLAG_STRICT_REGULATORY; 790cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee wiphy_apply_custom_regulatory(wlc->wiphy, regd->regdomain); 791cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee brcms_reg_apply_beaconing_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER); 792cf03c5dac83609f09d9f0e9fa3c09d86daed614dSeth Forshee} 793