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/*
* chlist.c - file implements valid wifi channel list
*
* Valid channels are dependant on a number of parameters -
* regulatory domain, country, dfs, bandwidth.
* The API wifi_get_valid_channels() returns valid channels for any
* combination of these parameters.
*
* Copyright (C) 2018 Inteno Broadband Technology AB. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "wifi.h"
#include "wifiutils.h"
struct chlist {
int start;
int num;
};
struct region_to_chlist {
int reg;
struct chlist *list;
};
/* channel filter criteria */
#define FILTER_TDWR 0x1
#define FILTER_DFS 0x2
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#define G_REG_0 0 /* 1-11 */
#define G_REG_1 1 /* 1-13 */
#define G_REG_2 2 /* 10-11 */
#define G_REG_3 3 /* 10-13 */
#define G_REG_4 4 /* 14 */
#define G_REG_5 5 /* 1-14 */
#define G_REG_6 6 /* 3-9 */
#define G_REG_7 7 /* 5-13 */
struct chlist g_reg0_chlist[] = {
{1, 11}, {0, 0}
};
struct chlist g_reg1_chlist[] = {
{1, 13}, {0, 0}
};
struct chlist g_reg2_chlist[] = {
{10, 2}, {0, 0}
};
struct chlist g_reg3_chlist[] = {
{10, 4}, {0, 0}
};
struct chlist g_reg4_chlist[] = {
{14, 1}, {0, 0}
};
struct chlist g_reg5_chlist[] = {
{1, 14}, {0, 0}
};
struct chlist g_reg6_chlist[] = {
{3, 7}, {0, 0}
};
struct chlist g_reg7_chlist[] = {
{5, 9}, {0, 0}
};
static struct region_to_chlist g_region_chlist[] = {
{0, g_reg0_chlist},
{1, g_reg1_chlist},
{2, g_reg2_chlist},
{3, g_reg3_chlist},
{4, g_reg4_chlist},
{5, g_reg5_chlist},
{6, g_reg6_chlist},
{7, g_reg7_chlist},
};
#define g_region_chlist_num (sizeof(g_region_chlist)/sizeof(g_region_chlist[0]))
/* 36 ~ 64, 149 ~ 165 */
#define A_REG_0 0
/* 36 ~ 64, 100 ~ 140 */
#define A_REG_1 1
/* 36 ~ 64 */
#define A_REG_2 2
/* 52 ~ 64, 149 ~ 161 */
#define A_REG_3 3
/* 149 ~ 165 */
#define A_REG_4 4
/* 149 ~ 161 */
#define A_REG_5 5
/* 36 ~ 48 */
#define A_REG_6 6
/* 36 ~ 64, 100 ~ 140, 149 ~ 173 */
#define A_REG_7 7
/* 52 ~ 64 */
#define A_REG_8 8
/* 36 ~ 64, 100 ~ 140, 149 ~ 165 */
#define A_REG_9 9
/* 36 ~ 48, 149 ~ 165 */
#define A_REG_10 10
/* 36 ~ 64, 100 ~ 120, 149 ~ 161 */
#define A_REG_11 11
/* 36 ~ 64, 100 ~ 140 */
#define A_REG_12 12
/* 52 ~ 64, 100 ~ 140, 149 ~ 161 */
#define A_REG_13 13
/* 36 ~ 64, 100 ~ 140, 149 ~ 165 */
#define A_REG_14 14
struct chlist a_reg0_chlist[] = {
{36, 8}, {149, 5}, {0, 0}
};
struct chlist a_reg1_chlist[] = {
{36, 8}, {100, 11}, {0, 0}
};
struct chlist a_reg2_chlist[] = {
{36, 8}, {0, 0}
};
struct chlist a_reg3_chlist[] = {
{52, 4}, {149, 4}, {0, 0}
};
struct chlist a_reg4_chlist[] = {
{149, 5}, {0, 0}
};
struct chlist a_reg5_chlist[] = {
{149, 4}, {0, 0}
};
struct chlist a_reg6_chlist[] = {
{36, 4}, {0, 0}
};
struct chlist a_reg7_chlist[] = {
{36, 8}, {100, 11}, {149, 7}, {0, 0}
};
struct chlist a_reg8_chlist[] = {
{52, 4}, {0, 0}
};
struct chlist a_reg9_chlist[] = {
{36, 8}, {100, 5}, {132, 8}, {0, 0}
};
struct chlist a_reg10_chlist[] = {
{36, 4}, {149, 5}, {0, 0}
};
static struct region_to_chlist a_region_chlist[] = {
{0, a_reg0_chlist},
{1, a_reg1_chlist},
{2, a_reg2_chlist},
{3, a_reg3_chlist},
{4, a_reg4_chlist},
{5, a_reg5_chlist},
{6, a_reg6_chlist},
{7, a_reg7_chlist},
{8, a_reg8_chlist},
{9, a_reg9_chlist},
{10, a_reg10_chlist},
};
#define a_region_chlist_num (sizeof(a_region_chlist)/sizeof(a_region_chlist[0]))
static const uint32_t def_chlist_a[] = {36, 40, 44, 48,
52, 56, 60, 64,
100, 104, 108, 112,
116, 120, 124, 128,
132, 136, 140,
149, 153, 157, 161, 165, 169, 173};
static const uint32_t def_chlist_a_num = sizeof(def_chlist_a)/sizeof(uint32_t);
static const uint32_t def_chlist_6[] = {1, 5, 9, 13,
17, 21, 25, 29,
33, 37, 41, 45,
49, 53, 57, 61,
65, 69, 73, 77,
81, 85, 89, 93,
97, 101, 105, 109,
113, 117, 121, 125,
129, 133, 137, 141,
145, 149, 153, 157,
161, 165, 169, 173,
177, 181, 185, 189,
193, 197, 201, 205,
209, 213, 217, 221,
225, 229, 233};
static const uint32_t def_chlist_6_num = sizeof(def_chlist_6)/sizeof(uint32_t);
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static const uint32_t def_chlist_g[] = {1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14};
static const uint32_t def_chlist_g_num = sizeof(def_chlist_g)/sizeof(uint32_t);
struct country_chmap {
char cc[3];
char cname[64];
int region_a;
int region_g;
};
struct country_chmap chmaps[] = {
{"DB", "Debug", A_REG_7, G_REG_5},
{"AL", "ALBANIA", A_REG_0, G_REG_1},
{"DZ", "ALGERIA", A_REG_0, G_REG_1},
{"AR", "ARGENTINA", A_REG_3, G_REG_1},
{"AM", "ARMENIA", A_REG_2, G_REG_1},
{"AU", "AUSTRALIA", A_REG_0, G_REG_1},
{"AT", "AUSTRIA", A_REG_1, G_REG_1},
{"AZ", "AZERBAIJAN", A_REG_2, G_REG_1},
{"BH", "BAHRAIN", A_REG_0, G_REG_1},
{"BY", "BELARUS", A_REG_0, G_REG_1},
{"BE", "BELGIUM", A_REG_1, G_REG_1},
{"BZ", "BELIZE", A_REG_4, G_REG_1},
{"BO", "BOLIVIA", A_REG_4, G_REG_1},
{"BR", "BRAZIL", A_REG_1, G_REG_1},
{"BN", "BRUNEI DARUSSALAM", A_REG_4, G_REG_1},
{"BG", "BULGARIA", A_REG_1, G_REG_1},
{"CA", "CANADA", A_REG_9, G_REG_0},
{"CL", "CHILE", A_REG_0, G_REG_1},
{"CN", "CHINA", A_REG_4, G_REG_1},
{"CO", "COLOMBIA", A_REG_0, G_REG_0},
{"CR", "COSTA RICA", A_REG_0, G_REG_1},
{"HR", "CROATIA", A_REG_2, G_REG_1},
{"CY", "CYPRUS", A_REG_1, G_REG_1},
{"CZ", "CZECH REPUBLIC", A_REG_2, G_REG_1},
{"DK", "DENMARK", A_REG_1, G_REG_1},
{"DO", "DOMINICAN REPUBLIC", A_REG_0, G_REG_0},
{"EC", "ECUADOR", A_REG_0, G_REG_1},
{"EG", "EGYPT", A_REG_2, G_REG_1},
{"SV", "EL SALVADOR", A_REG_0, G_REG_1},
{"EE", "ESTONIA", A_REG_1, G_REG_1},
{"FI", "FINLAND", A_REG_1, G_REG_1},
{"FR", "FRANCE", A_REG_2, G_REG_1},
{"GE", "GEORGIA", A_REG_2, G_REG_1},
{"DE", "GERMANY", A_REG_1, G_REG_1},
{"EU", "EUROPEAN UNION", A_REG_1, G_REG_1},
{"GR", "GREECE", A_REG_1, G_REG_1},
{"GT", "GUATEMALA", A_REG_0, G_REG_0},
{"HN", "HONDURAS", A_REG_0, G_REG_1},
{"HK", "HONG KONG", A_REG_0, G_REG_1},
{"HU", "HUNGARY", A_REG_1, G_REG_1},
{"IS", "ICELAND", A_REG_1, G_REG_1},
{"IN", "INDIA", A_REG_9, G_REG_1},
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{"ID", "INDONESIA", A_REG_4, G_REG_1},
{"IR", "IRAN", A_REG_4, G_REG_1},
{"IE", "IRELAND", A_REG_1, G_REG_1},
{"IL", "ISRAEL", A_REG_0, G_REG_1},
{"IT", "ITALY", A_REG_1, G_REG_1},
{"JP", "JAPAN", A_REG_9, G_REG_1},
{"JO", "JORDAN", A_REG_0, G_REG_1},
{"KZ", "KAZAKHSTAN", A_REG_0, G_REG_1},
{"KP", "KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF", A_REG_5, G_REG_1},
{"KR", "KOREA REPUBLIC OF", A_REG_5, G_REG_1},
{"KW", "KUWAIT", A_REG_0, G_REG_1},
{"LV", "LATVIA", A_REG_1, G_REG_1},
{"LB", "LEBANON", A_REG_0, G_REG_1},
{"LI", "LIECHTENSTEIN", A_REG_1, G_REG_1},
{"LT", "LITHUANIA", A_REG_1, G_REG_1},
{"LU", "LUXEMBOURG", A_REG_1, G_REG_1},
{"MO", "MACAU", A_REG_0, G_REG_1},
{"MK", "MACEDONIA", A_REG_0, G_REG_1},
{"MY", "MALAYSIA", A_REG_0, G_REG_1},
{"MX", "MEXICO", A_REG_0, G_REG_0},
{"MC", "MONACO", A_REG_2, G_REG_1},
{"MA", "MOROCCO", A_REG_0, G_REG_1},
{"NL", "NETHERLANDS", A_REG_1, G_REG_1},
{"NZ", "NEW ZEALAND", A_REG_0, G_REG_1},
{"NO", "NORWAY", A_REG_0, G_REG_0},
{"OM", "OMAN", A_REG_0, G_REG_1},
{"PK", "PAKISTAN", A_REG_0, G_REG_1},
{"PA", "PANAMA", A_REG_0, G_REG_0},
{"PE", "PERU", A_REG_4, G_REG_1},
{"PH", "PHILIPPINES", A_REG_4, G_REG_1},
{"PL", "POLAND", A_REG_1, G_REG_1},
{"PT", "PORTUGAL", A_REG_1, G_REG_1},
{"PR", "PUERTO RICO", A_REG_0, G_REG_0},
{"QA", "QATAR", A_REG_0, G_REG_1},
{"RO", "ROMANIA", A_REG_0, G_REG_1},
{"RU", "RUSSIA FEDERATION", A_REG_0, G_REG_1},
{"SA", "SAUDI ARABIA", A_REG_0, G_REG_1},
{"SG", "SINGAPORE", A_REG_0, G_REG_1},
{"SK", "SLOVAKIA", A_REG_1, G_REG_1},
{"SI", "SLOVENIA", A_REG_1, G_REG_1},
{"ZA", "SOUTH AFRICA", A_REG_1, G_REG_1},
{"ES", "SPAIN", A_REG_1, G_REG_1},
{"SE", "SWEDEN", A_REG_1, G_REG_1},
{"CH", "SWITZERLAND", A_REG_1, G_REG_1},
{"SY", "SYRIAN ARAB REPUBLIC", A_REG_0, G_REG_1},
{"TW", "TAIWAN", A_REG_3, G_REG_0},
{"TH", "THAILAND", A_REG_0, G_REG_1},
{"TT", "TRINIDAD AND TOBAGO", A_REG_2, G_REG_1},
{"TN", "TUNISIA", A_REG_2, G_REG_1},
{"TR", "TURKEY", A_REG_2, G_REG_1},
{"UA", "UKRAINE", A_REG_0, G_REG_1},
{"AE", "UNITED ARAB EMIRATES", A_REG_0, G_REG_1},
{"GB", "UNITED KINGDOM", A_REG_1, G_REG_1},
{"US", "UNITED STATES", A_REG_9, G_REG_0},
{"UY", "URUGUAY", A_REG_5, G_REG_1},
{"UZ", "UZBEKISTAN", A_REG_1, G_REG_0},
{"VE", "VENEZUELA", A_REG_5, G_REG_1},
{"VN", "VIET NAM", A_REG_0, G_REG_1},
{"YE", "YEMEN", A_REG_0, G_REG_1},
{"ZW", "ZIMBABWE", A_REG_0, G_REG_1},
{"", "", 0, 0}
};
#define num_countries (sizeof(chmaps)/sizeof(struct country_chmap))
struct channelx {
uint32_t ch;
uint32_t grp;
int get_valid_channels(const char *ifname, int band, int bw, const char *cc,
uint32_t *chs, int *n, uint32_t filter)
{
int region = 0;
struct chlist *cx;
int i = 0;
struct channelx chanlist[32] = {0};
int bw_factor = bw / 20;
int rem = 0;
int grp = 0;
int grp120 = -1, grp124 = -1, grp128 = -1;
if (band == 6)
/* TODO: chmaps & chlist for 6Ghz */
return -1;
if (cc && cc[0] != '\0') {
for (i = 0; i < num_countries; i++) {
if (!strncmp(cc, chmaps[i].cc, 2)) {
region = band == 5 ?
chmaps[i].region_a : chmaps[i].region_g;
break;
}
}
}
if (!i || i == num_countries)
return -1;
if (band == 2) {
if (region >= g_region_chlist_num)
return -1;
while (g_region_chlist[region].list[idx].start) {
cx = g_region_chlist[region].list + idx;
for (i = 0; i < cx->num; i++) {
chs[*n] = cx->start + i;
*n += 1;
}
idx++;
}
return 0;
}
if (region >= a_region_chlist_num)
return -1;
while (a_region_chlist[region].list[idx].start) {
cx = a_region_chlist[region].list + idx;
rem = cx->num % bw_factor;
cx->num -= rem;
for (i = 0; i < cx->num; i++) {
chanlist[nr].ch = cx->start + i * 4;
if (i % bw_factor == 0)
grp++;
chanlist[nr].grp = grp;
/* printf("%d{%d} ", chanlist[nr].ch, chanlist[nr].grp); */
nr++;
}
idx++;
/* exclude tdwr channel groups */
for (i = 0; i < nr; i++) {
if (filter & FILTER_TDWR) {
if (chanlist[i].ch == 120)
grp120 = chanlist[i].grp;
else if (chanlist[i].ch == 124)
grp124 = chanlist[i].grp;
else if (chanlist[i].ch == 128)
grp128 = chanlist[i].grp;
for (i = 0; i < nr; i++) {
if (chanlist[i].grp == grp120
|| chanlist[i].grp == grp124
|| chanlist[i].grp == grp128)
continue;
*(chs + *n) = chanlist[i].ch;
*n += 1;
}
return 0;
}
// FIXME: enum band and bw
int wifi_get_valid_channels(const char *ifname, enum wifi_band b,
enum wifi_bw bw, const char *cc,
uint32_t *chlist, int *n)
switch (b) {
case BAND_2:
band = 2;
break;
case BAND_5:
band = 5;
break;
case BAND_6:
band = 6;
break;
default:
if (bw >= BW20 && bw <= BW160) {
bandwidth = 20 << bw;
} else {
libwifi_err("Unhandled bw = %d\n", bw);
return -1; // TODO: handle 8080 and auto
ret = get_valid_channels(ifname, band, bandwidth, cc, chlist, n, filter);
if (ret < 0) {
if (band == 5) {
memcpy(chlist, def_chlist_a,
def_chlist_a_num * sizeof(uint32_t));
*n = def_chlist_a_num;
} else if (band == 6) {
memcpy(chlist, def_chlist_6,
def_chlist_6_num * sizeof(uint32_t));
*n = def_chlist_6_num;
} else {
memcpy(chlist, def_chlist_g,
def_chlist_g_num * sizeof(uint32_t));
*n = def_chlist_g_num;
}
}
return 0;
}
////// opclass related /////////////////////////////////////
// TODO: move to separate file
static struct wifi_opclass wifi_opclass_global[] = {
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{ 81, 81, BAND_2, BW20, EXTCH_NONE, {20, 13, {{1, {1}},
{2, {2}},
{3, {3}},
{4, {4}},
{5, {5}},
{6, {6}},
{7, {7}},
{8, {8}},
{9, {9}},
{10, {10}},
{11, {11}},
{12, {12}},
{13, {13}}}}},
{ 82, 82, BAND_2, BW20, EXTCH_NONE, {20, 1, {{14, {14}}}}},
{ 83, 83, BAND_2, BW40, EXTCH_ABOVE, {20, 9, {{1, {1}},
{2, {2}},
{3, {3}},
{4, {4}},
{5, {5}},
{6, {6}},
{7, {7}},
{8, {8}},
{9, {9}}}}},
{ 84, 84, BAND_2, BW40, EXTCH_BELOW, {20, 9, {{5, {5}},
{6, {6}},
{7, {7}},
{8, {8}},
{9, {9}},
{10, {10}},
{11, {11}},
{12, {12}},
{13, {13}}}}},
{ 115, 115, BAND_5, BW20, EXTCH_NONE, {23, 4, {{36, {36}},
{40, {40}},
{44, {44}},
{48, {48}}}}},
{ 116, 116, BAND_5, BW40, EXTCH_ABOVE, {23, 2, {{36, {36}},
{44, {44}}}}},
{ 117, 117, BAND_5, BW40, EXTCH_BELOW, {23, 2, {{40, {40}},
{48, {48}}}}},
{ 118, 118, BAND_5, BW20, EXTCH_NONE, {23, 4, {{52, {52}},
{56, {56}},
{60, {60}},
{64, {64}}}}},
{ 119, 119, BAND_5, BW40, EXTCH_ABOVE, {23, 2, {{52, {52}},
{60, {60}}}}},
{ 120, 120, BAND_5, BW40, EXTCH_BELOW, {23, 2, {{56, {56}},
{64, {64}}}}},
{ 121, 121, BAND_5, BW20, EXTCH_NONE, {30, 12, {{100, {100}},
{104, {104}},
{108, {108}},
{112, {112}},
{116, {116}},
{120, {120}},
{124, {124}},
{128, {128}},
{132, {132}},
{136, {136}},
{140, {140}},
{144, {144}}}}},
{ 122, 122, BAND_5, BW40, EXTCH_ABOVE, {30, 6, {{100, {100}},
{108, {108}},
{116, {116}},
{124, {124}},
{132, {132}},
{140, {140}}}}},
{ 123, 123, BAND_5, BW40, EXTCH_BELOW, {30, 6, {{104, {104}},
{112, {112}},
{120, {120}},
{128, {128}},
{136, {136}},
{144, {144}}}}},
{ 124, 124, BAND_5, BW20, EXTCH_NONE, {36, 4, {{149, {149}},
{153, {153}},
{157, {157}},
{161, {161}}}}},
{ 125, 125, BAND_5, BW20, EXTCH_NONE, {36, 8, {{149, {149}},
{153, {153}},
{157, {157}},
{161, {161}},
{165, {165}},
{173, {173}},
{177, {177}}}}},
{ 126, 126, BAND_5, BW40, EXTCH_ABOVE, {36, 4, {{149, {149}},
{165, {165}},
{173, {173}}}}},
{ 127, 127, BAND_5, BW40, EXTCH_BELOW, {36, 4, {{153, {153}},
{161, {161}},
{169, {169}},
{177, {177}}}}},
{ 128, 128, BAND_5, BW80, EXTCH_AUTO, {23, 7, {{36, {36, 40, 44, 48}},
{52, {52, 56, 60, 64}},
{100, {100, 104, 108, 112}},
{116, {116, 120, 124, 128}},
{132, {132, 136, 140, 144}},
{149, {149, 153, 157, 161}},
{165, {165, 169, 173, 177}}}}},
{ 129, 129, BAND_5, BW160, EXTCH_AUTO, {23, 3, {{36, {36, 40, 44, 48, 52, 56, 60, 64}},
{100, {100, 104, 108, 112, 116, 120, 124, 128}},
{149, {149, 153, 157, 161, 165, 169, 173, 177}}}}},
{ 130, 130, BAND_5, BW8080, EXTCH_AUTO, {23, 7, {{36, {36, 40, 44, 48}},
{52, {52, 56, 60, 64}},
{100, {100, 104, 108, 112}},
{116, {116, 120, 124, 128}},
{132, {132, 136, 140, 144}},
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{149, {149, 153, 157, 161}},
{165, {165, 169, 173, 177}}}}},
{ 131, 131, BAND_6, BW20, EXTCH_NONE, {23, 59, {{1, {1}},
{5, {5}},
{9, {9}},
{13, {13}},
{17, {17}},
{21, {21}},
{25, {25}},
{29, {29}},
{33, {33}},
{37, {37}},
{41, {41}},
{45, {45}},
{49, {49}},
{53, {53}},
{57, {57}},
{61, {61}},
{65, {65}},
{69, {69}},
{73, {73}},
{77, {77}},
{81, {81}},
{85, {85}},
{89, {89}},
{93, {93}},
{97, {97}},
{101, {101}},
{105, {105}},
{109, {109}},
{113, {113}},
{117, {117}},
{121, {121}},
{125, {125}},
{129, {129}},
{133, {133}},
{137, {137}},
{141, {141}},
{145, {145}},
{149, {149}},
{153, {153}},
{157, {157}},
{161, {161}},
{165, {165}},
{169, {169}},
{173, {173}},
{177, {177}},
{181, {181}},
{185, {185}},
{189, {189}},
{193, {193}},
{197, {197}},
{201, {201}},
{205, {205}},
{209, {209}},
{213, {213}},
{217, {217}},
{221, {221}},
{225, {225}},
{229, {229}},
{233, {233}}}}},
{ 132, 132, BAND_6, BW40, EXTCH_AUTO, {23, 29, {{1, {1 , 5}},
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{9, {9, 13}},
{17, {17, 21}},
{25, {25, 29}},
{33, {33, 37}},
{41, {41, 45}},
{49, {49, 53}},
{57, {57, 61}},
{65, {65, 69}},
{73, {73, 77}},
{81, {81, 85}},
{89, {89, 93}},
{97, {97, 101}},
{105, {105, 109}},
{113, {113, 117}},
{121, {121, 125}},
{129, {129, 133}},
{137, {137, 141}},
{145, {145, 149}},
{153, {153, 157}},
{161, {161, 165}},
{169, {169, 173}},
{177, {177, 181}},
{185, {185, 189}},
{193, {193, 197}},
{201, {201, 205}},
{209, {209, 213}},
{217, {217, 221}},
{225, {225, 229}}}}},
{ 133, 133, BAND_6, BW80, EXTCH_AUTO, {23, 14, {{1, {1, 5, 9, 13}},
725
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729
730
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{17, {17, 21, 25, 29}},
{33, {33, 37, 41, 45}},
{49, {49, 53, 57, 61}},
{65, {65, 69, 73, 77}},
{81, {81, 85, 89, 93}},
{97, {97, 101, 105, 109}},
{113, {113, 117, 121, 125}},
{129, {129, 133, 137, 141}},
{145, {145, 149, 153, 157}},
{161, {161, 165, 169, 173}},
{177, {177, 181, 185, 189}},
{193, {193, 197, 201, 205}},
{209, {209, 213, 217, 221}}}}},
{ 134, 134, BAND_6, BW160, EXTCH_AUTO, {23, 7, {{1, {1, 5, 9, 13, 17, 21, 25, 29}},
{33, {33, 37, 41, 45, 49, 53, 57, 61}},
{65, {65, 69, 73, 77, 81, 85, 89, 93}},
{97, {97, 101, 105, 109, 113, 117, 121, 125}},
{129, {129, 133, 137, 141, 145, 149, 153, 157}},
{161, {161, 165, 169, 173, 177, 181, 185, 189}},
{193, {193, 197, 201, 205, 209, 213, 217, 221}}}}},
{ 135, 135, BAND_6, BW8080, EXTCH_AUTO, {23, 14, {{1, {1, 5, 9, 13}},
{17, {17, 21, 25, 29}},
{33, {33, 37, 41, 45}},
{49, {49, 53, 57, 61}},
{65, {65, 69, 73, 77}},
{81, {81, 85, 89, 93}},
{97, {97, 101, 105, 109}},
{113, {113, 117, 121, 125}},
{129, {129, 133, 137, 141}},
{145, {145, 149, 153, 157}},
{161, {161, 165, 169, 173}},
{177, {177, 181, 185, 189}},
{193, {193, 197, 201, 205}},
{209, {209, 213, 217, 221}}}}},
{ 136, 136, BAND_6, BW20, EXTCH_NONE, {23, 1, {{2, {2}}}}},
};
#define wifi_opclass_global_size \
sizeof(wifi_opclass_global)/sizeof(wifi_opclass_global[0])
static struct wifi_opclass wifi_opclass_eu[] = {
{ 1, 115, BAND_5, BW20, EXTCH_NONE, {23, 4, {{36}, {40}, {44}, {48}}}},
{ 2, 118, BAND_5, BW20, EXTCH_NONE, {23, 4, {{52}, {56}, {60}, {64}}}},
{ 3, 121, BAND_5, BW20, EXTCH_NONE, {30, 11, {{100}, {104}, {108}, {112}, {116}, {120}, {124}, \
{128}, {132}, {136}, {140}}}},
{ 4, 81, BAND_2, BW20, EXTCH_NONE, {20, 13, {{1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10}, {11}, {12}, {13}}}},
{ 5, 116, BAND_5, BW40, EXTCH_ABOVE, {23, 2, {{36}, {44}}}},
{ 6, 119, BAND_5, BW40, EXTCH_ABOVE, {23, 2, {{52}, {60}}}},
{ 7, 122, BAND_5, BW40, EXTCH_ABOVE, {30, 5, {{100}, {108}, {116}, {124}, {132}}}},
{ 8, 117, BAND_5, BW40, EXTCH_BELOW, {23, 2, {{40}, {48}}}},
{ 9, 120, BAND_5, BW40, EXTCH_BELOW, {23, 2, {{56}, {64}}}},
{ 10, 123, BAND_5, BW40, EXTCH_BELOW, {30, 5, {{104}, {112}, {120}, {128}, {136}}}},
{ 11, 83, BAND_2, BW40, EXTCH_ABOVE, {20, 9, {{1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}}}},
{ 12, 84, BAND_2, BW40, EXTCH_BELOW, {20, 9, {{5}, {6}, {7}, {8}, {9}, {10}, {11}, {12}, {13}}}},
{ 17, 125, BAND_5, BW20, EXTCH_NONE, {30, 6, {{149}, {153}, {157}, {161}, {165}, {169}}}},
{ 128, 128, BAND_5, BW80, EXTCH_AUTO, {30, 4, {{36}, {52}, {100}, {116}}}},
{ 129, 129, BAND_5, BW160, EXTCH_AUTO, {23, 2, {{36}, {100}}}},
{ 130, 130, BAND_5, BW8080, EXTCH_AUTO, {23, 4, {{36}, {52}, {100}, {116}}}},
};
#define wifi_opclass_eu_size \
sizeof(wifi_opclass_eu)/sizeof(wifi_opclass_eu[0])
static struct wifi_opclass wifi_opclass_us[] = {
{ 1, 115, BAND_5, BW20, EXTCH_NONE, {23, 4, {{36}, {40}, {44}, {48}}}},
{ 2, 118, BAND_5, BW20, EXTCH_NONE, {23, 4, {{52}, {56}, {60}, {64}}}},
{ 3, 124, BAND_5, BW20, EXTCH_NONE, {36, 6, {{149}, {153}, {157}, {161}}}},
{ 4, 121, BAND_5, BW20, EXTCH_NONE, {30, 12, {{100}, {104}, {108}, {112}, {116}, {120}, {124}, \
{128}, {132}, {136}, {140}, {144}}}},
{ 5, 125, BAND_5, BW20, EXTCH_NONE, {36, 5, {{149}, {153}, {157}, {161}, {165}}}},
{ 12, 81, BAND_2, BW20, EXTCH_NONE, {30, 11, {{1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10}, {11}}}},
{ 22, 116, BAND_5, BW40, EXTCH_ABOVE, {23, 2, {{36}, {44}}}},
{ 23, 119, BAND_5, BW40, EXTCH_ABOVE, {23, 2, {{52}, {60}}}},
{ 24, 122, BAND_5, BW40, EXTCH_ABOVE, {30, 6, {{100}, {108}, {116}, {124}, {132}, {140}}}},
{ 25, 126, BAND_5, BW40, EXTCH_ABOVE, {36, 2, {{149}, {157}}}},
{ 26, 126, BAND_5, BW40, EXTCH_ABOVE, {36, 2, {{149}, {157}}}},
{ 27, 117, BAND_5, BW40, EXTCH_BELOW, {23, 2, {{40}, {48}}}},
{ 28, 120, BAND_5, BW40, EXTCH_BELOW, {23, 2, {{56}, {64}}}},
{ 29, 123, BAND_5, BW40, EXTCH_BELOW, {30, 6, {{104}, {112}, {120}, {128}, {136}, {144}}}},
{ 30, 127, BAND_5, BW40, EXTCH_BELOW, {36, 2, {{153}, {161}}}},
{ 31, 127, BAND_5, BW40, EXTCH_BELOW, {36, 2, {{153}, {161}}}},
{ 32, 83, BAND_2, BW40, EXTCH_ABOVE, {30, 7, {{1}, {2}, {3}, {4}, {5}, {6}, {7}}}},
{ 33, 84, BAND_2, BW40, EXTCH_BELOW, {30, 7, {{5}, {6}, {7}, {8}, {9}, {10}, {11}}}},
{ 128, 128, BAND_5, BW80, EXTCH_AUTO, {23, 6, {{36}, {52}, {100}, {116}, {132}, {149}}}},
{ 129, 129, BAND_5, BW160, EXTCH_AUTO, {23, 2, {{36}, {100}}}},
{ 130, 130, BAND_5, BW8080, EXTCH_AUTO, {23, 6, {{36}, {52}, {100}, {116}, {132}, {149}}}},
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};
#define wifi_opclass_us_size \
sizeof(wifi_opclass_us)/sizeof(wifi_opclass_us[0])
//TODO: JP and CN opclass table
enum wifi_regdomain {
REG_GLOBAL = 0,
REG_US,
REG_EU,
REG_JP,
REG_CN,
NUM_REG = 4,
};
struct country_regdomain {
const char *cc[32];
};
#define eu_countries "AL", "AM", "AT", "BE", "DE", "EE", "EU", "SE", \
"NO", "FI", "FR", "IT", "IS", "LV", "LU", "NL"
#define us_countries "CA", "US", "TW"
#define jp_countries "JP"
#define cn_countries "CN"
static struct country_regdomain creglist[] = {
[REG_EU] = {{eu_countries, NULL}},
[REG_US] = {{us_countries, NULL}},
[REG_JP] = {{jp_countries, NULL}},
[REG_CN] = {{cn_countries, NULL}},
};
int wifi_get_regdomain_from_country(const char *cc, enum wifi_regdomain *reg)
{
int i, j;
*reg = REG_GLOBAL;
for (i = 1; i < NUM_REG; i++) {
j = 0;
while (creglist[i].cc[j]) {
if (!strncmp(creglist[i].cc[j], cc, 2)) {
*reg = i;
return 0;
}
j++;
}
}
return -1;
}
int wifi_get_opclass_internal(enum wifi_regdomain reg, enum wifi_band b,
uint32_t ch, enum wifi_bw bw, enum wifi_chan_ext ext,
struct wifi_opclass *o)
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{
int i, j;
struct wifi_opclass *tab;
int tabsize;
switch (reg) {
case REG_EU:
tab = (struct wifi_opclass *)wifi_opclass_eu;
tabsize = wifi_opclass_eu_size;
break;
case REG_US:
tab = (struct wifi_opclass *)wifi_opclass_us;
tabsize = wifi_opclass_us_size;
break;
case REG_JP:
//TODO
tab = NULL;
tabsize = 0;
break;
case REG_CN:
//TODO
tab = NULL;
tabsize = 0;
break;
case REG_GLOBAL:
default:
tab = (struct wifi_opclass *)wifi_opclass_global;
tabsize = wifi_opclass_global_size;
break;
}
if (!tab)
return -1;
for (i = 0; i < tabsize; i++) {
struct wifi_opclass *ptr = tab + i;
if (ptr->band == b && ptr->bw == bw) {
for (j = 0; j < ptr->opchannel.num; j++) {
/* For BW20/BW40 match channel */
switch (bw) {
case BW20:
case BW40:
if (ptr->band == BAND_2 && bw == BW40) {
/* Special case, we need to check chanext also */
if (ptr->opchannel.ch[j].channel == ch && ptr->ext == ext) {
memcpy(o, ptr, sizeof(struct wifi_opclass));
return 0;
}
} else if (ptr->opchannel.ch[j].channel == ch) {
memcpy(o, ptr, sizeof(struct wifi_opclass));
return 0;
}
continue;
default:
if (ptr->opchannel.ch[j].channel <= ch &&
ch <= ptr->opchannel.ch[j].channel + 4 + ptr->bw * 4) {
memcpy(o, ptr, sizeof(struct wifi_opclass));
return 0;
}
}
}
}
}
return -1;
}
int wifi_get_opclass_bw(const char *name, struct wifi_opclass *o, enum wifi_bw *pbw)
struct wifi_radio radio = {};
enum wifi_chan_ext ext = EXTCH_AUTO;
enum wifi_regdomain reg;
uint32_t channel = 0;
char cc[4] = {0};
int ret = 0;
ret |= wifi_get_channel(name, &channel, &bw);
ret |= wifi_get_bandwidth(name, &bw);
ret |= wifi_get_country(name, cc);
ret |= wifi_get_oper_band(name, &band);
WARN_ON(wifi_radio_info(name, &radio));
ext = radio.extch;
}
if (pbw)
bw = *pbw;
wifi_get_regdomain_from_country(cc, ®);
ret |= wifi_get_opclass_internal(reg, band, channel, bw, ext, o);
int wifi_get_opclass(const char *name, struct wifi_opclass *o)
{
return wifi_get_opclass_bw(name, o, NULL);
}
int wifi_opclass_to_channels(uint32_t opclass, int *num, uint32_t *channels)
{
struct wifi_opclass *tab;
struct wifi_opclass *ptr;
int tabsize;
int i;
if (!num || !channels)
return -1;
tab = (struct wifi_opclass *)wifi_opclass_global;
tabsize = wifi_opclass_global_size;
for (i = 0; i < tabsize; i++) {
ptr = tab + i;
if (ptr->g_opclass == opclass)
break;
}
if (i == tabsize)
return -1;