/******************************************************************************
|
*
|
* 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
|
void rtw_chset_hook_os_channels(struct rf_ctl_t *rfctl)
|
{
|
struct wiphy *wiphy = dvobj_to_wiphy(rfctl_to_dvobj(rfctl));
|
RT_CHANNEL_INFO *channel_set = rfctl->channel_set;
|
u8 max_chan_nums = rfctl->max_chan_nums;
|
struct ieee80211_channel *ch;
|
unsigned int i;
|
u16 channel;
|
u32 freq;
|
|
for (i = 0; i < max_chan_nums; i++) {
|
channel = channel_set[i].ChannelNum;
|
#if CONFIG_IEEE80211_BAND_6GHZ
|
if (channel_set[i].band == BAND_ON_6G)
|
continue; /* TODO: wiphy with 6G band */
|
else
|
#endif
|
freq = rtw_ch2freq(channel);
|
ch = ieee80211_get_channel(wiphy, freq);
|
if (!ch) {
|
rtw_warn_on(1);
|
continue;
|
}
|
|
channel_set[i].os_chan = ch;
|
}
|
}
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
|
bool rtw_regd_is_wiphy_self_managed(struct wiphy *wiphy)
|
{
|
return rtw_rfctl_is_disable_sw_channel_plan(wiphy_to_dvobj(wiphy))
|
|| !REGSTY_REGD_SRC_FROM_OS(dvobj_to_regsty(wiphy_to_dvobj(wiphy)));
|
}
|
|
static struct ieee80211_reg_rule rtw_get_ieee80211_reg_rule(struct get_chplan_resp *chplan, BAND_TYPE band, int last_end_freq, int start_freq, int end_freq, int next_start_freq, u32 flags)
|
{
|
struct ieee80211_reg_rule rule = REG_RULE(
|
start_freq - 10, end_freq + 10, 20, 6, 20,
|
((flags & RTW_CHF_NO_IR) ? NL80211_RRF_NO_IR : 0)
|
//| ((flags & RTW_CHF_DFS) ? NL80211_RRF_DFS : 0) /* TODO: DFS */
|
);
|
|
int regd_max_bw = 160;
|
int frange_max_bw = 160;
|
|
if (!(chplan->proto_en & CHPLAN_PROTO_EN_AC) || band == BAND_ON_2_4G)
|
regd_max_bw = 40;
|
/* TODO: !RFCTL_REG_EN_11HT(rfctl) limit to 20MHz */
|
|
while ((end_freq - start_freq + 20) < frange_max_bw) {
|
frange_max_bw /= 2;
|
if (frange_max_bw == 20)
|
break;
|
}
|
rule.freq_range.max_bandwidth_khz = MHZ_TO_KHZ(rtw_min(regd_max_bw, frange_max_bw));
|
|
if (regd_max_bw > frange_max_bw
|
&& (rtw_freq_consecutive(last_end_freq, start_freq)
|
|| rtw_freq_consecutive(end_freq, next_start_freq)
|
)
|
)
|
rule.flags |= NL80211_RRF_AUTO_BW;
|
|
if (regd_max_bw < 40)
|
rule.flags |= NL80211_RRF_NO_HT40;
|
if (regd_max_bw < 80)
|
rule.flags |= NL80211_RRF_NO_80MHZ;
|
if (regd_max_bw < 160)
|
rule.flags |= NL80211_RRF_NO_160MHZ;
|
|
return rule;
|
}
|
|
static int rtw_build_wiphy_regd(struct wiphy *wiphy, struct get_chplan_resp *chplan, struct ieee80211_regdomain **regd)
|
{
|
int i;
|
RT_CHANNEL_INFO *chinfo;
|
BAND_TYPE start_band, band;
|
int last_end_freq, start_freq, end_freq, freq;
|
u32 start_flags, flags;
|
struct ieee80211_regdomain *r;
|
int rule_num = 0;
|
bool build = 0;
|
|
if (regd)
|
*regd = NULL;
|
|
loop:
|
start_band = BAND_MAX;
|
last_end_freq = 0;
|
for (i = 0; i < chplan->chset_num; i++) {
|
chinfo = &chplan->chset[i];
|
freq = rtw_ch2freq_by_band(chinfo->band, chinfo->ChannelNum);
|
if (!freq) {
|
RTW_WARN(FUNC_WIPHY_FMT" rtw_ch2freq_by_band(%s, %u) fail\n"
|
, FUNC_WIPHY_ARG(wiphy), band_str(chinfo->band), chinfo->ChannelNum);
|
continue;
|
}
|
band = chinfo->band;
|
flags = chinfo->flags & (RTW_CHF_NO_IR | RTW_CHF_DFS);
|
|
if (start_band == BAND_MAX) {
|
start_band = band;
|
start_freq = end_freq = freq;
|
start_flags = flags;
|
continue;
|
}
|
|
if (start_band == band
|
&& start_flags == flags
|
&& rtw_freq_consecutive(end_freq, freq)
|
) {
|
end_freq = freq;
|
continue;
|
}
|
|
/* create rule */
|
if (build) {
|
RTW_DBG("add rule_%02d(%s, %d, %d, 0x%x)\n"
|
, r->n_reg_rules, band_str(start_band), start_freq, end_freq, start_flags);
|
r->reg_rules[r->n_reg_rules++] = rtw_get_ieee80211_reg_rule(chplan, start_band
|
, last_end_freq, start_freq, end_freq, freq, start_flags);
|
} else
|
rule_num++;
|
|
/* start a new rule */
|
start_band = band;
|
last_end_freq = end_freq;
|
start_freq = end_freq = freq;
|
start_flags = flags;
|
}
|
|
if (start_band != BAND_MAX) {
|
/* create rule */
|
if (build) {
|
RTW_DBG("add rule_%02d(%s, %d, %d, 0x%x)\n"
|
, r->n_reg_rules, band_str(start_band), start_freq, end_freq, start_flags);
|
r->reg_rules[r->n_reg_rules++] = rtw_get_ieee80211_reg_rule(chplan, start_band
|
, last_end_freq, start_freq, end_freq, 0, start_flags);
|
} else
|
rule_num++;
|
}
|
|
if (!build) {
|
/* switch to build phase */
|
build = 1;
|
if (!regd)
|
goto exit;
|
|
r = rtw_zmalloc(sizeof(**regd) + sizeof(struct ieee80211_reg_rule) * rule_num);
|
if (!r) {
|
rule_num = -1;
|
goto exit;
|
}
|
|
_rtw_memcpy(r->alpha2, chplan->alpha2, 2);
|
r->alpha2[2] = 0;
|
r->dfs_region = NL80211_DFS_UNSET;
|
goto loop;
|
}
|
|
*regd = r;
|
|
exit:
|
return rule_num;
|
}
|
|
static void rtw_regd_disable_no_20mhz_chs(struct wiphy *wiphy)
|
{
|
struct ieee80211_supported_band *sband;
|
struct ieee80211_channel *ch;
|
unsigned int i, j;
|
|
for (i = 0; i < NUM_NL80211_BANDS; i++) {
|
sband = wiphy->bands[i];
|
if (!sband)
|
continue;
|
for (j = 0; j < sband->n_channels; j++) {
|
ch = &sband->channels[j];
|
if (!ch)
|
continue;
|
if (ch->flags & IEEE80211_CHAN_NO_20MHZ) {
|
RTW_INFO(FUNC_WIPHY_FMT" disable band:%d ch:%u w/o 20MHz\n", FUNC_WIPHY_ARG(wiphy), ch->band, ch->hw_value);
|
ch->flags = IEEE80211_CHAN_DISABLED;
|
}
|
}
|
}
|
}
|
|
void rtw_update_wiphy_regd(struct wiphy *wiphy, struct get_chplan_resp *chplan, bool rtnl_lock_needed)
|
{
|
struct ieee80211_regdomain *regd;
|
int ret;
|
|
ret = rtw_build_wiphy_regd(wiphy, chplan, ®d);
|
if (ret == -1) {
|
RTW_WARN(FUNC_WIPHY_FMT" rtw_build_wiphy_regd() fail\n", FUNC_WIPHY_ARG(wiphy));
|
return;
|
}
|
|
if (ret == 0) {
|
RTW_WARN(FUNC_WIPHY_FMT" rtw_build_wiphy_regd() builds empty regd, bypass regd setting\n", FUNC_WIPHY_ARG(wiphy));
|
goto free_regd;
|
}
|
|
if (rtnl_lock_needed)
|
rtnl_lock();
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 12, 0))
|
ret = regulatory_set_wiphy_regd_sync(wiphy, regd);
|
#else
|
ret = regulatory_set_wiphy_regd_sync_rtnl(wiphy, regd);
|
#endif
|
|
rtw_regd_disable_no_20mhz_chs(wiphy);
|
|
if (rtnl_lock_needed)
|
rtnl_unlock();
|
|
if (ret != 0)
|
RTW_INFO(FUNC_WIPHY_FMT" regulatory_set_wiphy_regd_sync_rtnl return %d\n", FUNC_WIPHY_ARG(wiphy), ret);
|
|
free_regd:
|
rtw_mfree(regd, sizeof(*regd) + sizeof(struct ieee80211_reg_rule) * regd->n_reg_rules);
|
}
|
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) */
|
|
static void rtw_regd_overide_flags(struct wiphy *wiphy, struct get_chplan_resp *chplan, bool rtnl_lock_needed)
|
{
|
RT_CHANNEL_INFO *channel_set = chplan->chset;
|
u8 max_chan_nums = chplan->chset_num;
|
struct ieee80211_supported_band *sband;
|
struct ieee80211_channel *ch;
|
unsigned int i, j;
|
|
if (rtnl_lock_needed)
|
rtnl_lock();
|
|
/* all channels disable */
|
for (i = 0; i < NUM_NL80211_BANDS; i++) {
|
sband = wiphy->bands[i];
|
if (!sband)
|
continue;
|
for (j = 0; j < sband->n_channels; j++) {
|
ch = &sband->channels[j];
|
if (!ch)
|
continue;
|
ch->flags = IEEE80211_CHAN_DISABLED;
|
}
|
}
|
|
/* channels apply by channel plans. */
|
for (i = 0; i < max_chan_nums; i++) {
|
ch = channel_set[i].os_chan;
|
if (!ch)
|
continue;
|
|
/* enable */
|
ch->flags = 0;
|
|
if (channel_set[i].flags & RTW_CHF_DFS) {
|
/*
|
* before integrating with nl80211 flow
|
* bypass IEEE80211_CHAN_RADAR when configured with radar detection
|
* to prevent from hostapd blocking DFS channels
|
*/
|
#ifdef CONFIG_DFS_MASTER
|
if (chplan->dfs_domain == RTW_DFS_REGD_NONE)
|
#endif
|
ch->flags |= IEEE80211_CHAN_RADAR;
|
}
|
|
if (channel_set[i].flags & RTW_CHF_NO_IR) {
|
#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
|
}
|
}
|
|
if (rtnl_lock_needed)
|
rtnl_unlock();
|
}
|
|
#ifdef CONFIG_REGD_SRC_FROM_OS
|
static void rtw_regd_apply_dfs_flags(struct get_chplan_resp *chplan, bool rtnl_lock_needed)
|
{
|
RT_CHANNEL_INFO *channel_set = chplan->chset;
|
u8 max_chan_nums = chplan->chset_num;
|
unsigned int i;
|
struct ieee80211_channel *chan;
|
|
if (rtnl_lock_needed)
|
rtnl_lock();
|
|
/* channels apply by channel plans. */
|
for (i = 0; i < max_chan_nums; i++) {
|
chan = channel_set[i].os_chan;
|
if (!chan) {
|
rtw_warn_on(1);
|
continue;
|
}
|
if (channel_set[i].flags & RTW_CHF_DFS) {
|
/*
|
* before integrating with nl80211 flow
|
* clear IEEE80211_CHAN_RADAR when configured with radar detection
|
* to prevent from hostapd blocking DFS channels
|
*/
|
#ifdef CONFIG_DFS_MASTER
|
if (chplan->dfs_domain != RTW_DFS_REGD_NONE)
|
chan->flags &= ~IEEE80211_CHAN_RADAR;
|
#endif
|
}
|
}
|
|
if (rtnl_lock_needed)
|
rtnl_unlock();
|
}
|
|
/* init_channel_set_from_wiphy */
|
u8 rtw_os_init_channel_set(_adapter *padapter, RT_CHANNEL_INFO *channel_set)
|
{
|
struct wiphy *wiphy = adapter_to_wiphy(padapter);
|
struct rf_ctl_t *rfctl = adapter_to_rfctl(padapter);
|
struct registry_priv *regsty = adapter_to_regsty(padapter);
|
struct ieee80211_channel *chan;
|
u8 chanset_size = 0;
|
int i, j;
|
|
_rtw_memset(channel_set, 0, sizeof(RT_CHANNEL_INFO) * MAX_CHANNEL_NUM);
|
|
for (i = NL80211_BAND_2GHZ; i <= NL80211_BAND_5GHZ; i++) {
|
if (!wiphy->bands[i])
|
continue;
|
for (j = 0; j < wiphy->bands[i]->n_channels; j++) {
|
chan = &wiphy->bands[i]->channels[j];
|
if (chan->flags & IEEE80211_CHAN_DISABLED)
|
continue;
|
if (rtw_regsty_is_excl_chs(regsty, chan->hw_value))
|
continue;
|
|
if (chanset_size >= MAX_CHANNEL_NUM) {
|
RTW_WARN("chset size can't exceed MAX_CHANNEL_NUM(%u)\n", MAX_CHANNEL_NUM);
|
i = NL80211_BAND_5GHZ + 1;
|
break;
|
}
|
|
channel_set[chanset_size].ChannelNum = chan->hw_value;
|
channel_set[chanset_size].band = nl80211_band_to_rtw_band(i);
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
|
if (chan->flags & (IEEE80211_CHAN_NO_IBSS | IEEE80211_CHAN_PASSIVE_SCAN))
|
#else
|
if (chan->flags & IEEE80211_CHAN_NO_IR)
|
#endif
|
channel_set[chanset_size].flags |= RTW_CHF_NO_IR;
|
if (chan->flags & IEEE80211_CHAN_RADAR)
|
channel_set[chanset_size].flags |= RTW_CHF_DFS;
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
|
if (chan->flags & IEEE80211_CHAN_NO_HT40PLUS)
|
channel_set[chanset_size].flags |= RTW_CHF_NO_HT40U;
|
if (chan->flags & IEEE80211_CHAN_NO_HT40MINUS)
|
channel_set[chanset_size].flags |= RTW_CHF_NO_HT40L;
|
#endif
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
|
if (chan->flags & IEEE80211_CHAN_NO_80MHZ)
|
channel_set[chanset_size].flags |= RTW_CHF_NO_80MHZ;
|
if (chan->flags & IEEE80211_CHAN_NO_160MHZ)
|
channel_set[chanset_size].flags |= RTW_CHF_NO_160MHZ;
|
#endif
|
channel_set[chanset_size].os_chan = chan;
|
chanset_size++;
|
}
|
}
|
|
#if CONFIG_IEEE80211_BAND_5GHZ
|
#ifdef CONFIG_DFS_MASTER
|
for (i = 0; i < chanset_size; i++)
|
channel_set[i].non_ocp_end_time = rtw_get_current_time();
|
#endif
|
#endif /* CONFIG_IEEE80211_BAND_5GHZ */
|
|
if (chanset_size)
|
RTW_INFO(FUNC_ADPT_FMT" ch num:%d\n"
|
, FUNC_ADPT_ARG(padapter), chanset_size);
|
else
|
RTW_WARN(FUNC_ADPT_FMT" final chset has no channel\n"
|
, FUNC_ADPT_ARG(padapter));
|
|
return chanset_size;
|
}
|
|
s16 rtw_os_get_total_txpwr_regd_lmt_mbm(_adapter *adapter, u8 cch, enum channel_width bw)
|
{
|
struct wiphy *wiphy = adapter_to_wiphy(adapter);
|
s16 mbm = UNSPECIFIED_MBM;
|
u8 *op_chs;
|
u8 op_ch_num;
|
u8 i;
|
u32 freq;
|
struct ieee80211_channel *ch;
|
|
if (!rtw_get_op_chs_by_cch_bw(cch, bw, &op_chs, &op_ch_num))
|
goto exit;
|
|
for (i = 0; i < op_ch_num; i++) {
|
freq = rtw_ch2freq(op_chs[i]);
|
ch = ieee80211_get_channel(wiphy, freq);
|
if (!ch) {
|
rtw_warn_on(1);
|
continue;
|
}
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
|
mbm = rtw_min(mbm, ch->max_reg_power * MBM_PDBM);
|
#else
|
/* require max_power == 0 (therefore orig_mpwr set to 0) when wiphy registration */
|
mbm = rtw_min(mbm, ch->max_power * MBM_PDBM);
|
#endif
|
}
|
|
exit:
|
return mbm;
|
}
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
|
static enum rtw_dfs_regd nl80211_dfs_regions_to_rtw_dfs_region(enum nl80211_dfs_regions region)
|
{
|
switch (region) {
|
case NL80211_DFS_FCC:
|
return RTW_DFS_REGD_FCC;
|
case NL80211_DFS_ETSI:
|
return RTW_DFS_REGD_ETSI;
|
case NL80211_DFS_JP:
|
return RTW_DFS_REGD_MKK;
|
case NL80211_DFS_UNSET:
|
default:
|
return RTW_DFS_REGD_NONE;
|
}
|
};
|
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) */
|
#endif /* CONFIG_REGD_SRC_FROM_OS */
|
|
static enum rtw_regd_inr nl80211_reg_initiator_to_rtw_regd_inr(enum nl80211_reg_initiator initiator)
|
{
|
switch (initiator) {
|
case NL80211_REGDOM_SET_BY_DRIVER:
|
return RTW_REGD_SET_BY_DRIVER;
|
case NL80211_REGDOM_SET_BY_CORE:
|
return RTW_REGD_SET_BY_CORE;
|
case NL80211_REGDOM_SET_BY_USER:
|
return RTW_REGD_SET_BY_USER;
|
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
|
return RTW_REGD_SET_BY_COUNTRY_IE;
|
}
|
rtw_warn_on(1);
|
return RTW_REGD_SET_BY_NUM;
|
};
|
|
#ifdef CONFIG_RTW_DEBUG
|
static const char *nl80211_reg_initiator_str(enum nl80211_reg_initiator initiator)
|
{
|
switch (initiator) {
|
case NL80211_REGDOM_SET_BY_DRIVER:
|
return "DRIVER";
|
case NL80211_REGDOM_SET_BY_CORE:
|
return "CORE";
|
case NL80211_REGDOM_SET_BY_USER:
|
return "USER";
|
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
|
return "COUNTRY_IE";
|
}
|
rtw_warn_on(1);
|
return "UNKNOWN";
|
}
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
|
static const char *nl80211_user_reg_hint_type_str(enum nl80211_user_reg_hint_type type)
|
{
|
switch (type) {
|
case NL80211_USER_REG_HINT_USER:
|
return "USER";
|
case NL80211_USER_REG_HINT_CELL_BASE:
|
return "CELL_BASE";
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
|
case NL80211_USER_REG_HINT_INDOOR:
|
return "INDOOR";
|
#endif
|
}
|
rtw_warn_on(1);
|
return "UNKNOWN";
|
}
|
#endif
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
|
static const char *nl80211_dfs_regions_str(enum nl80211_dfs_regions region)
|
{
|
switch (region) {
|
case NL80211_DFS_UNSET:
|
return "UNSET";
|
case NL80211_DFS_FCC:
|
return "FCC";
|
case NL80211_DFS_ETSI:
|
return "ETSI";
|
case NL80211_DFS_JP:
|
return "JP";
|
}
|
rtw_warn_on(1);
|
return "UNKNOWN";
|
};
|
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) */
|
|
static const char *environment_cap_str(enum environment_cap cap)
|
{
|
switch (cap) {
|
case ENVIRON_ANY:
|
return "ANY";
|
case ENVIRON_INDOOR:
|
return "INDOOR";
|
case ENVIRON_OUTDOOR:
|
return "OUTDOOR";
|
}
|
rtw_warn_on(1);
|
return "UNKNOWN";
|
}
|
|
static void dump_requlatory_request(void *sel, struct regulatory_request *request)
|
{
|
u8 alpha2_len;
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 16, 0))
|
alpha2_len = 3;
|
#else
|
alpha2_len = 2;
|
#endif
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
|
RTW_PRINT_SEL(sel, "initiator:%s, wiphy_idx:%d, type:%s\n"
|
, nl80211_reg_initiator_str(request->initiator)
|
, request->wiphy_idx
|
, nl80211_user_reg_hint_type_str(request->user_reg_hint_type));
|
#else
|
RTW_PRINT_SEL(sel, "initiator:%s, wiphy_idx:%d\n"
|
, nl80211_reg_initiator_str(request->initiator)
|
, request->wiphy_idx);
|
#endif
|
|
RTW_PRINT_SEL(sel, "alpha2:%.*s\n", alpha2_len, request->alpha2);
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
|
RTW_PRINT_SEL(sel, "dfs_region:%s\n", nl80211_dfs_regions_str(request->dfs_region));
|
#endif
|
|
RTW_PRINT_SEL(sel, "intersect:%d\n", request->intersect);
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38))
|
RTW_PRINT_SEL(sel, "processed:%d\n", request->processed);
|
#endif
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36))
|
RTW_PRINT_SEL(sel, "country_ie_checksum:0x%08x\n", request->country_ie_checksum);
|
#endif
|
|
RTW_PRINT_SEL(sel, "country_ie_env:%s\n", environment_cap_str(request->country_ie_env));
|
}
|
#endif /* CONFIG_RTW_DEBUG */
|
|
static void rtw_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request)
|
{
|
struct dvobj_priv *dvobj = wiphy_to_dvobj(wiphy);
|
struct registry_priv *regsty = dvobj_to_regsty(dvobj);
|
enum rtw_regd_inr inr;
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
|
rtw_set_rtnl_lock_holder(dvobj, current);
|
#endif
|
|
#ifdef CONFIG_RTW_DEBUG
|
if (rtw_drv_log_level >= _DRV_INFO_) {
|
RTW_INFO(FUNC_WIPHY_FMT"\n", FUNC_WIPHY_ARG(wiphy));
|
dump_requlatory_request(RTW_DBGDUMP, request);
|
}
|
#endif
|
|
inr = nl80211_reg_initiator_to_rtw_regd_inr(request->initiator);
|
|
#ifdef CONFIG_REGD_SRC_FROM_OS
|
if (REGSTY_REGD_SRC_FROM_OS(regsty)) {
|
enum rtw_dfs_regd dfs_region = RTW_DFS_REGD_NONE;
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
|
dfs_region = nl80211_dfs_regions_to_rtw_dfs_region(request->dfs_region);
|
#endif
|
|
/* trigger command to sync regulatory form OS */
|
rtw_sync_os_regd_cmd(wiphy_to_adapter(wiphy), RTW_CMDF_WAIT_ACK, request->alpha2, dfs_region, inr);
|
} else
|
#endif
|
{
|
/* use alpha2 as input to select the corresponding channel plan settings defined by Realtek */
|
struct get_chplan_resp *chplan;
|
|
switch (request->initiator) {
|
case NL80211_REGDOM_SET_BY_USER:
|
rtw_set_country(wiphy_to_adapter(wiphy), request->alpha2, inr);
|
break;
|
case NL80211_REGDOM_SET_BY_DRIVER:
|
case NL80211_REGDOM_SET_BY_CORE:
|
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
|
default:
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
|
rtw_warn_on(rtw_regd_is_wiphy_self_managed(wiphy));
|
#endif
|
if (rtw_get_chplan_cmd(wiphy_to_adapter(wiphy), RTW_CMDF_WAIT_ACK, &chplan) == _SUCCESS)
|
rtw_regd_change_complete_sync(wiphy, chplan, 0);
|
else
|
rtw_warn_on(1);
|
break;
|
}
|
}
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
|
rtw_set_rtnl_lock_holder(dvobj, NULL);
|
#endif
|
}
|
|
#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
|
|
struct async_regd_change_evt {
|
_list list; /* async_regd_change_list */
|
struct wiphy *wiphy;
|
struct get_chplan_resp *chplan;
|
};
|
|
static void async_regd_change_work_hdl(_workitem *work)
|
{
|
struct rtw_wiphy_data *wiphy_data = container_of(work, struct rtw_wiphy_data, async_regd_change_work);
|
struct async_regd_change_evt *evt;
|
_irqL irqL;
|
_list *list, *head = &wiphy_data->async_regd_change_list;
|
|
while (1) {
|
_enter_critical_mutex(&wiphy_data->async_regd_change_mutex, &irqL);
|
list = rtw_is_list_empty(head) ? NULL : get_next(head);
|
if (list)
|
rtw_list_delete(list);
|
_exit_critical_mutex(&wiphy_data->async_regd_change_mutex, &irqL);
|
|
if (!list)
|
break;
|
|
evt = LIST_CONTAINOR(list, struct async_regd_change_evt, list);
|
rtw_regd_change_complete_sync(evt->wiphy, evt->chplan, 1);
|
rtw_mfree(evt, sizeof(*evt));
|
}
|
}
|
|
int rtw_regd_init(struct wiphy *wiphy)
|
{
|
struct rtw_wiphy_data *wiphy_data = rtw_wiphy_priv(wiphy);
|
|
#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_STRICT_REGULATORY;
|
wiphy->flags &= ~WIPHY_FLAG_DISABLE_BEACON_HINTS;
|
#else
|
wiphy->regulatory_flags &= ~REGULATORY_STRICT_REG;
|
wiphy->regulatory_flags &= ~REGULATORY_DISABLE_BEACON_HINTS;
|
#endif
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
|
wiphy->regulatory_flags |= REGULATORY_IGNORE_STALE_KICKOFF;
|
#endif
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
|
if (rtw_regd_is_wiphy_self_managed(wiphy))
|
wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
|
#endif
|
|
_rtw_init_listhead(&wiphy_data->async_regd_change_list);
|
_rtw_mutex_init(&wiphy_data->async_regd_change_mutex);
|
_init_workitem(&wiphy_data->async_regd_change_work, async_regd_change_work_hdl, NULL);
|
|
return 0;
|
}
|
|
static void rtw_regd_async_regd_change_list_free(struct wiphy *wiphy)
|
{
|
struct rtw_wiphy_data *wiphy_data = rtw_wiphy_priv(wiphy);
|
struct async_regd_change_evt *evt;
|
struct get_chplan_resp *chplan;
|
_irqL irqL;
|
_list *cur, *head;
|
|
_enter_critical_mutex(&wiphy_data->async_regd_change_mutex, &irqL);
|
|
head = &wiphy_data->async_regd_change_list;
|
cur = get_next(head);
|
|
while ((rtw_end_of_queue_search(head, cur)) == _FALSE) {
|
evt = LIST_CONTAINOR(cur, struct async_regd_change_evt, list);
|
chplan = evt->chplan;
|
cur = get_next(cur);
|
rtw_list_delete(&evt->list);
|
rtw_vmfree(chplan, sizeof(*chplan) + sizeof(RT_CHANNEL_INFO) * chplan->chset_num);
|
rtw_mfree(evt, sizeof(*evt));
|
}
|
|
_exit_critical_mutex(&wiphy_data->async_regd_change_mutex, &irqL);
|
}
|
|
void rtw_regd_deinit(struct wiphy *wiphy)
|
{
|
struct rtw_wiphy_data *wiphy_data = rtw_wiphy_priv(wiphy);
|
|
_cancel_workitem_sync(&wiphy_data->async_regd_change_work);
|
rtw_regd_async_regd_change_list_free(wiphy);
|
_rtw_mutex_free(&wiphy_data->async_regd_change_mutex);
|
}
|
|
void rtw_regd_change_complete_sync(struct wiphy *wiphy, struct get_chplan_resp *chplan, bool rtnl_lock_needed)
|
{
|
if (chplan->regd_src == REGD_SRC_RTK_PRIV) {
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
|
if (rtw_regd_is_wiphy_self_managed(wiphy))
|
rtw_update_wiphy_regd(wiphy, chplan, rtnl_lock_needed);
|
else
|
#endif
|
rtw_regd_overide_flags(wiphy, chplan, rtnl_lock_needed);
|
}
|
#ifdef CONFIG_REGD_SRC_FROM_OS
|
else if (chplan->regd_src == REGD_SRC_OS)
|
rtw_regd_apply_dfs_flags(chplan, rtnl_lock_needed);
|
#endif
|
else
|
rtw_warn_on(1);
|
|
rtw_vmfree(chplan, sizeof(struct get_chplan_resp) + sizeof(RT_CHANNEL_INFO) * chplan->chset_num);
|
}
|
|
int rtw_regd_change_complete_async(struct wiphy *wiphy, struct get_chplan_resp *chplan)
|
{
|
struct rtw_wiphy_data *wiphy_data = rtw_wiphy_priv(wiphy);
|
struct async_regd_change_evt *evt;
|
_irqL irqL;
|
|
evt = rtw_malloc(sizeof(*evt));
|
if (!evt) {
|
rtw_vmfree(chplan, sizeof(struct get_chplan_resp) + sizeof(RT_CHANNEL_INFO) * chplan->chset_num);
|
return _FAIL;
|
}
|
|
_rtw_init_listhead(&evt->list);
|
evt->wiphy = wiphy;
|
evt->chplan = chplan;
|
|
_enter_critical_mutex(&wiphy_data->async_regd_change_mutex, &irqL);
|
|
rtw_list_insert_tail(&evt->list, &wiphy_data->async_regd_change_list);
|
|
_exit_critical_mutex(&wiphy_data->async_regd_change_mutex, &irqL);
|
|
_set_workitem(&wiphy_data->async_regd_change_work);
|
|
return _SUCCESS;
|
}
|
#endif /* CONFIG_IOCTL_CFG80211 */
|