mirror of https://github.com/brektrou/rtl8821CU
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
425 lines
10 KiB
C
425 lines
10 KiB
C
/******************************************************************************
|
|
*
|
|
* Copyright(c) 2009-2010 - 2017 Realtek Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of version 2 of the GNU General Public License 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.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#include <drv_types.h>
|
|
|
|
#ifdef CONFIG_IOCTL_CFG80211
|
|
|
|
#include <rtw_wifi_regd.h>
|
|
|
|
static struct country_code_to_enum_rd allCountries[] = {
|
|
{COUNTRY_CODE_USER, "RD"},
|
|
};
|
|
|
|
/*
|
|
* REG_RULE(freq start, freq end, bandwidth, max gain, eirp, reg_flags)
|
|
*/
|
|
|
|
/*
|
|
*Only these channels all allow active
|
|
*scan on all world regulatory domains
|
|
*/
|
|
|
|
/* 2G chan 01 - chan 11 */
|
|
#define RTW_2GHZ_CH01_11 \
|
|
REG_RULE(2412-10, 2462+10, 40, 0, 20, 0)
|
|
|
|
/*
|
|
*We enable active scan on these a case
|
|
*by case basis by regulatory domain
|
|
*/
|
|
|
|
/* 2G chan 12 - chan 13, PASSIV SCAN */
|
|
#define RTW_2GHZ_CH12_13 \
|
|
REG_RULE(2467-10, 2472+10, 40, 0, 20, \
|
|
NL80211_RRF_PASSIVE_SCAN)
|
|
|
|
/* 2G chan 14, PASSIVS SCAN, NO OFDM (B only) */
|
|
#define RTW_2GHZ_CH14 \
|
|
REG_RULE(2484-10, 2484+10, 40, 0, 20, \
|
|
NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_OFDM)
|
|
|
|
/* 5G chan 36 - chan 64 */
|
|
#define RTW_5GHZ_5150_5350 \
|
|
REG_RULE(5150-10, 5350+10, 40, 0, 30, \
|
|
NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
|
|
|
|
/* 5G chan 100 - chan 165 */
|
|
#define RTW_5GHZ_5470_5850 \
|
|
REG_RULE(5470-10, 5850+10, 40, 0, 30, \
|
|
NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
|
|
|
|
/* 5G chan 149 - chan 165 */
|
|
#define RTW_5GHZ_5725_5850 \
|
|
REG_RULE(5725-10, 5850+10, 40, 0, 30, \
|
|
NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
|
|
|
|
/* 5G chan 36 - chan 165 */
|
|
#define RTW_5GHZ_5150_5850 \
|
|
REG_RULE(5150-10, 5850+10, 40, 0, 30, \
|
|
NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS)
|
|
|
|
static const struct ieee80211_regdomain rtw_regdom_rd = {
|
|
.n_reg_rules = 3,
|
|
.alpha2 = "99",
|
|
.reg_rules = {
|
|
RTW_2GHZ_CH01_11,
|
|
RTW_2GHZ_CH12_13,
|
|
RTW_5GHZ_5150_5850,
|
|
}
|
|
};
|
|
|
|
static const struct ieee80211_regdomain rtw_regdom_11 = {
|
|
.n_reg_rules = 1,
|
|
.alpha2 = "99",
|
|
.reg_rules = {
|
|
RTW_2GHZ_CH01_11,
|
|
}
|
|
};
|
|
|
|
static const struct ieee80211_regdomain rtw_regdom_12_13 = {
|
|
.n_reg_rules = 2,
|
|
.alpha2 = "99",
|
|
.reg_rules = {
|
|
RTW_2GHZ_CH01_11,
|
|
RTW_2GHZ_CH12_13,
|
|
}
|
|
};
|
|
|
|
static const struct ieee80211_regdomain rtw_regdom_no_midband = {
|
|
.n_reg_rules = 3,
|
|
.alpha2 = "99",
|
|
.reg_rules = {
|
|
RTW_2GHZ_CH01_11,
|
|
RTW_5GHZ_5150_5350,
|
|
RTW_5GHZ_5725_5850,
|
|
}
|
|
};
|
|
|
|
static const struct ieee80211_regdomain rtw_regdom_60_64 = {
|
|
.n_reg_rules = 3,
|
|
.alpha2 = "99",
|
|
.reg_rules = {
|
|
RTW_2GHZ_CH01_11,
|
|
RTW_2GHZ_CH12_13,
|
|
RTW_5GHZ_5725_5850,
|
|
}
|
|
};
|
|
|
|
static const struct ieee80211_regdomain rtw_regdom_14_60_64 = {
|
|
.n_reg_rules = 4,
|
|
.alpha2 = "99",
|
|
.reg_rules = {
|
|
RTW_2GHZ_CH01_11,
|
|
RTW_2GHZ_CH12_13,
|
|
RTW_2GHZ_CH14,
|
|
RTW_5GHZ_5725_5850,
|
|
}
|
|
};
|
|
|
|
static const struct ieee80211_regdomain rtw_regdom_14 = {
|
|
.n_reg_rules = 3,
|
|
.alpha2 = "99",
|
|
.reg_rules = {
|
|
RTW_2GHZ_CH01_11,
|
|
RTW_2GHZ_CH12_13,
|
|
RTW_2GHZ_CH14,
|
|
}
|
|
};
|
|
|
|
#if 0
|
|
static struct rtw_regulatory *rtw_regd;
|
|
#endif
|
|
|
|
#if 0 /* not_yet */
|
|
static void _rtw_reg_apply_beaconing_flags(struct wiphy *wiphy,
|
|
enum nl80211_reg_initiator initiator)
|
|
{
|
|
enum nl80211_band band;
|
|
struct ieee80211_supported_band *sband;
|
|
const struct ieee80211_reg_rule *reg_rule;
|
|
struct ieee80211_channel *ch;
|
|
unsigned int i;
|
|
u32 bandwidth = 0;
|
|
int r;
|
|
|
|
for (band = 0; band < NUM_NL80211_BANDS; band++) {
|
|
|
|
if (!wiphy->bands[band])
|
|
continue;
|
|
|
|
sband = wiphy->bands[band];
|
|
|
|
for (i = 0; i < sband->n_channels; i++) {
|
|
ch = &sband->channels[i];
|
|
if (rtw_is_dfs_ch(ch->hw_value) ||
|
|
(ch->flags & IEEE80211_CHAN_RADAR))
|
|
continue;
|
|
if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
|
|
r = freq_reg_info(wiphy, ch->center_freq,
|
|
bandwidth, ®_rule);
|
|
if (r)
|
|
continue;
|
|
|
|
/*
|
|
*If 11d had a rule for this channel ensure
|
|
*we enable adhoc/beaconing if it allows us to
|
|
*use it. Note that we would have disabled it
|
|
*by applying our static world regdomain by
|
|
*default during init, prior to calling our
|
|
*regulatory_hint().
|
|
*/
|
|
|
|
if (!(reg_rule->flags & NL80211_RRF_NO_IBSS))
|
|
ch->flags &= ~IEEE80211_CHAN_NO_IBSS;
|
|
if (!
|
|
(reg_rule->flags &
|
|
NL80211_RRF_PASSIVE_SCAN))
|
|
ch->flags &=
|
|
~IEEE80211_CHAN_PASSIVE_SCAN;
|
|
} else {
|
|
if (ch->beacon_found)
|
|
ch->flags &= ~(IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Allows active scan scan on Ch 12 and 13 */
|
|
static void _rtw_reg_apply_active_scan_flags(struct wiphy *wiphy,
|
|
enum nl80211_reg_initiator
|
|
initiator)
|
|
{
|
|
struct ieee80211_supported_band *sband;
|
|
struct ieee80211_channel *ch;
|
|
const struct ieee80211_reg_rule *reg_rule;
|
|
u32 bandwidth = 0;
|
|
int r;
|
|
|
|
if (!wiphy->bands[NL80211_BAND_2GHZ])
|
|
return;
|
|
sband = wiphy->bands[NL80211_BAND_2GHZ];
|
|
|
|
/*
|
|
* If no country IE has been received always enable active scan
|
|
* on these channels. This is only done for specific regulatory SKUs
|
|
*/
|
|
if (initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) {
|
|
ch = &sband->channels[11]; /* CH 12 */
|
|
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
|
|
ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
|
|
ch = &sband->channels[12]; /* CH 13 */
|
|
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
|
|
ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If a country IE has been received check its rule for this
|
|
* channel first before enabling active scan. The passive scan
|
|
* would have been enforced by the initial processing of our
|
|
* custom regulatory domain.
|
|
*/
|
|
|
|
ch = &sband->channels[11]; /* CH 12 */
|
|
r = freq_reg_info(wiphy, ch->center_freq, bandwidth, ®_rule);
|
|
if (!r) {
|
|
if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
|
|
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
|
|
ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
|
|
}
|
|
|
|
ch = &sband->channels[12]; /* CH 13 */
|
|
r = freq_reg_info(wiphy, ch->center_freq, bandwidth, ®_rule);
|
|
if (!r) {
|
|
if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
|
|
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
|
|
ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void rtw_regd_apply_flags(struct wiphy *wiphy)
|
|
{
|
|
struct dvobj_priv *dvobj = wiphy_to_dvobj(wiphy);
|
|
struct rf_ctl_t *rfctl = dvobj_to_rfctl(dvobj);
|
|
RT_CHANNEL_INFO *channel_set = rfctl->channel_set;
|
|
u8 max_chan_nums = rfctl->max_chan_nums;
|
|
|
|
struct ieee80211_supported_band *sband;
|
|
struct ieee80211_channel *ch;
|
|
unsigned int i, j;
|
|
u16 channel;
|
|
u32 freq;
|
|
|
|
/* all channels disable */
|
|
for (i = 0; i < NUM_NL80211_BANDS; i++) {
|
|
sband = wiphy->bands[i];
|
|
|
|
if (sband) {
|
|
for (j = 0; j < sband->n_channels; j++) {
|
|
ch = &sband->channels[j];
|
|
|
|
if (ch)
|
|
ch->flags = IEEE80211_CHAN_DISABLED;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* channels apply by channel plans. */
|
|
for (i = 0; i < max_chan_nums; i++) {
|
|
channel = channel_set[i].ChannelNum;
|
|
freq = rtw_ch2freq(channel);
|
|
|
|
ch = ieee80211_get_channel(wiphy, freq);
|
|
if (!ch)
|
|
continue;
|
|
|
|
if (channel_set[i].ScanType == SCAN_PASSIVE
|
|
#if defined(CONFIG_DFS_MASTER)
|
|
&& rtw_odm_dfs_domain_unknown(dvobj)
|
|
#endif
|
|
) {
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
|
|
ch->flags = (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_PASSIVE_SCAN);
|
|
#else
|
|
ch->flags = IEEE80211_CHAN_NO_IR;
|
|
#endif
|
|
} else
|
|
ch->flags = 0;
|
|
|
|
#ifdef CONFIG_DFS
|
|
if (rtw_is_dfs_ch(ch->hw_value)
|
|
#if defined(CONFIG_DFS_MASTER)
|
|
&& rtw_odm_dfs_domain_unknown(dvobj)
|
|
#endif
|
|
) {
|
|
ch->flags |= IEEE80211_CHAN_RADAR;
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
|
|
ch->flags |= (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_PASSIVE_SCAN);
|
|
#else
|
|
ch->flags |= IEEE80211_CHAN_NO_IR;
|
|
#endif
|
|
}
|
|
#endif /* CONFIG_DFS */
|
|
}
|
|
}
|
|
|
|
static const struct ieee80211_regdomain *_rtw_regdomain_select(struct
|
|
rtw_regulatory
|
|
*reg)
|
|
{
|
|
#if 0
|
|
switch (reg->country_code) {
|
|
case COUNTRY_CODE_USER:
|
|
default:
|
|
return &rtw_regdom_rd;
|
|
}
|
|
#else
|
|
return &rtw_regdom_rd;
|
|
#endif
|
|
}
|
|
|
|
static void rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request)
|
|
{
|
|
switch (request->initiator) {
|
|
case NL80211_REGDOM_SET_BY_DRIVER:
|
|
RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_DRIVER");
|
|
break;
|
|
case NL80211_REGDOM_SET_BY_CORE:
|
|
RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_CORE");
|
|
break;
|
|
case NL80211_REGDOM_SET_BY_USER:
|
|
RTW_INFO("%s: %s alpha2:%c%c\n", __func__, "NL80211_REGDOM_SET_BY_USER"
|
|
, request->alpha2[0], request->alpha2[1]);
|
|
rtw_set_country(wiphy_to_adapter(wiphy), request->alpha2);
|
|
break;
|
|
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
|
|
RTW_INFO("%s: %s\n", __func__, "NL80211_REGDOM_SET_BY_COUNTRY_IE");
|
|
break;
|
|
}
|
|
|
|
rtw_regd_apply_flags(wiphy);
|
|
}
|
|
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
|
|
static int rtw_reg_notifier_return(struct wiphy *wiphy, struct regulatory_request *request)
|
|
{
|
|
rtw_reg_notifier(wiphy, request);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static void _rtw_regd_init_wiphy(struct rtw_regulatory *reg, struct wiphy *wiphy)
|
|
{
|
|
const struct ieee80211_regdomain *regd;
|
|
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0))
|
|
wiphy->reg_notifier = rtw_reg_notifier_return;
|
|
#else
|
|
wiphy->reg_notifier = rtw_reg_notifier;
|
|
#endif
|
|
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
|
|
wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
|
|
wiphy->flags &= ~WIPHY_FLAG_STRICT_REGULATORY;
|
|
wiphy->flags &= ~WIPHY_FLAG_DISABLE_BEACON_HINTS;
|
|
#else
|
|
wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
|
|
wiphy->regulatory_flags &= ~REGULATORY_STRICT_REG;
|
|
wiphy->regulatory_flags &= ~REGULATORY_DISABLE_BEACON_HINTS;
|
|
#endif
|
|
|
|
regd = _rtw_regdomain_select(reg);
|
|
wiphy_apply_custom_regulatory(wiphy, regd);
|
|
|
|
rtw_regd_apply_flags(wiphy);
|
|
}
|
|
|
|
static struct country_code_to_enum_rd *_rtw_regd_find_country(u16 countrycode)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
|
|
if (allCountries[i].countrycode == countrycode)
|
|
return &allCountries[i];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int rtw_regd_init(struct wiphy *wiphy)
|
|
{
|
|
#if 0
|
|
if (rtw_regd == NULL) {
|
|
rtw_regd = (struct rtw_regulatory *)
|
|
rtw_malloc(sizeof(struct rtw_regulatory));
|
|
|
|
rtw_regd->alpha2[0] = '9';
|
|
rtw_regd->alpha2[1] = '9';
|
|
|
|
rtw_regd->country_code = COUNTRY_CODE_USER;
|
|
}
|
|
|
|
RTW_INFO("%s: Country alpha2 being used: %c%c\n",
|
|
__func__, rtw_regd->alpha2[0], rtw_regd->alpha2[1]);
|
|
#endif
|
|
|
|
_rtw_regd_init_wiphy(NULL, wiphy);
|
|
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_IOCTL_CFG80211 */
|