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-rw-r--r--drivers/net/wireless/ath/regd.c7
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/channel.c2
-rw-r--r--drivers/net/wireless/rtlwifi/regd.c9
-rw-r--r--include/net/cfg80211.h8
-rw-r--r--net/wireless/reg.c44
5 files changed, 21 insertions, 49 deletions
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index d81698015bf7..8ae58c404c67 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -195,7 +195,6 @@ ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
const struct ieee80211_reg_rule *reg_rule;
struct ieee80211_channel *ch;
unsigned int i;
- u32 bandwidth = 0;
int r;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
@@ -216,7 +215,6 @@ ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
r = freq_reg_info(wiphy,
ch->center_freq,
- bandwidth,
&reg_rule);
if (r)
continue;
@@ -254,7 +252,6 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch;
const struct ieee80211_reg_rule *reg_rule;
- u32 bandwidth = 0;
int r;
sband = wiphy->bands[IEEE80211_BAND_2GHZ];
@@ -283,7 +280,7 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
*/
ch = &sband->channels[11]; /* CH 12 */
- r = freq_reg_info(wiphy, ch->center_freq, bandwidth, &reg_rule);
+ r = freq_reg_info(wiphy, ch->center_freq, &reg_rule);
if (!r) {
if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
@@ -291,7 +288,7 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy,
}
ch = &sband->channels[12]; /* CH 13 */
- r = freq_reg_info(wiphy, ch->center_freq, bandwidth, &reg_rule);
+ r = freq_reg_info(wiphy, ch->center_freq, &reg_rule);
if (!r) {
if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/channel.c b/drivers/net/wireless/brcm80211/brcmsmac/channel.c
index a90b72202ec5..30272519d795 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/channel.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/channel.c
@@ -686,7 +686,7 @@ brcms_reg_apply_beaconing_flags(struct wiphy *wiphy,
if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
ret = freq_reg_info(wiphy, ch->center_freq,
- 0, &rule);
+ &rule);
if (ret)
continue;
diff --git a/drivers/net/wireless/rtlwifi/regd.c b/drivers/net/wireless/rtlwifi/regd.c
index c1608cddc529..be55dc9167f0 100644
--- a/drivers/net/wireless/rtlwifi/regd.c
+++ b/drivers/net/wireless/rtlwifi/regd.c
@@ -158,7 +158,6 @@ static void _rtl_reg_apply_beaconing_flags(struct wiphy *wiphy,
const struct ieee80211_reg_rule *reg_rule;
struct ieee80211_channel *ch;
unsigned int i;
- u32 bandwidth = 0;
int r;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
@@ -174,8 +173,7 @@ static void _rtl_reg_apply_beaconing_flags(struct wiphy *wiphy,
(ch->flags & IEEE80211_CHAN_RADAR))
continue;
if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) {
- r = freq_reg_info(wiphy, ch->center_freq,
- bandwidth, &reg_rule);
+ r = freq_reg_info(wiphy, ch->center_freq, &reg_rule);
if (r)
continue;
@@ -211,7 +209,6 @@ static void _rtl_reg_apply_active_scan_flags(struct wiphy *wiphy,
struct ieee80211_supported_band *sband;
struct ieee80211_channel *ch;
const struct ieee80211_reg_rule *reg_rule;
- u32 bandwidth = 0;
int r;
if (!wiphy->bands[IEEE80211_BAND_2GHZ])
@@ -240,7 +237,7 @@ static void _rtl_reg_apply_active_scan_flags(struct wiphy *wiphy,
*/
ch = &sband->channels[11]; /* CH 12 */
- r = freq_reg_info(wiphy, ch->center_freq, bandwidth, &reg_rule);
+ r = freq_reg_info(wiphy, ch->center_freq, &reg_rule);
if (!r) {
if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
@@ -248,7 +245,7 @@ static void _rtl_reg_apply_active_scan_flags(struct wiphy *wiphy,
}
ch = &sband->channels[12]; /* CH 13 */
- r = freq_reg_info(wiphy, ch->center_freq, bandwidth, &reg_rule);
+ r = freq_reg_info(wiphy, ch->center_freq, &reg_rule);
if (!r) {
if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN))
if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 8e6a6b73b9c9..c222e5fbf53a 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2938,10 +2938,6 @@ extern void wiphy_apply_custom_regulatory(
* freq_reg_info - get regulatory information for the given frequency
* @wiphy: the wiphy for which we want to process this rule for
* @center_freq: Frequency in KHz for which we want regulatory information for
- * @desired_bw_khz: the desired max bandwidth you want to use per
- * channel. Note that this is still 20 MHz if you want to use HT40
- * as HT40 makes use of two channels for its 40 MHz width bandwidth.
- * If set to 0 we'll assume you want the standard 20 MHz.
* @reg_rule: the regulatory rule which we have for this frequency
*
* Use this function to get the regulatory rule for a specific frequency on
@@ -2956,9 +2952,7 @@ extern void wiphy_apply_custom_regulatory(
* freq_in_rule_band() for our current definition of a band -- this is purely
* subjective and right now its 802.11 specific.
*/
-extern int freq_reg_info(struct wiphy *wiphy,
- u32 center_freq,
- u32 desired_bw_khz,
+extern int freq_reg_info(struct wiphy *wiphy, u32 center_freq,
const struct ieee80211_reg_rule **reg_rule);
/*
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index b3f94c957d1d..2e38b47939a3 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -480,8 +480,7 @@ static bool is_valid_rd(const struct ieee80211_regdomain *rd)
}
static bool reg_does_bw_fit(const struct ieee80211_freq_range *freq_range,
- u32 center_freq_khz,
- u32 bw_khz)
+ u32 center_freq_khz, u32 bw_khz)
{
u32 start_freq_khz, end_freq_khz;
@@ -682,9 +681,7 @@ static u32 map_regdom_flags(u32 rd_flags)
return channel_flags;
}
-static int freq_reg_info_regd(struct wiphy *wiphy,
- u32 center_freq,
- u32 desired_bw_khz,
+static int freq_reg_info_regd(struct wiphy *wiphy, u32 center_freq,
const struct ieee80211_reg_rule **reg_rule,
const struct ieee80211_regdomain *regd)
{
@@ -692,9 +689,6 @@ static int freq_reg_info_regd(struct wiphy *wiphy,
bool band_rule_found = false;
bool bw_fits = false;
- if (!desired_bw_khz)
- desired_bw_khz = MHZ_TO_KHZ(20);
-
if (!regd)
return -EINVAL;
@@ -713,7 +707,7 @@ static int freq_reg_info_regd(struct wiphy *wiphy,
if (!band_rule_found)
band_rule_found = freq_in_rule_band(fr, center_freq);
- bw_fits = reg_does_bw_fit(fr, center_freq, desired_bw_khz);
+ bw_fits = reg_does_bw_fit(fr, center_freq, MHZ_TO_KHZ(20));
if (band_rule_found && bw_fits) {
*reg_rule = rr;
@@ -727,7 +721,7 @@ static int freq_reg_info_regd(struct wiphy *wiphy,
return -EINVAL;
}
-int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 desired_bw_khz,
+int freq_reg_info(struct wiphy *wiphy, u32 center_freq,
const struct ieee80211_reg_rule **reg_rule)
{
const struct ieee80211_regdomain *regd;
@@ -746,8 +740,7 @@ int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 desired_bw_khz,
else
regd = cfg80211_regdomain;
- return freq_reg_info_regd(wiphy, center_freq, desired_bw_khz,
- reg_rule, regd);
+ return freq_reg_info_regd(wiphy, center_freq, reg_rule, regd);
}
EXPORT_SYMBOL(freq_reg_info);
@@ -770,7 +763,6 @@ static const char *reg_initiator_name(enum nl80211_reg_initiator initiator)
}
static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
- u32 desired_bw_khz,
const struct ieee80211_reg_rule *reg_rule)
{
const struct ieee80211_power_rule *power_rule;
@@ -785,8 +777,8 @@ static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
else
snprintf(max_antenna_gain, 32, "%d", power_rule->max_antenna_gain);
- REG_DBG_PRINT("Updating information on frequency %d MHz for a %d MHz width channel with regulatory rule:\n",
- chan->center_freq, KHZ_TO_MHZ(desired_bw_khz));
+ REG_DBG_PRINT("Updating information on frequency %d MHz with regulatory rule:\n",
+ chan->center_freq);
REG_DBG_PRINT("%d KHz - %d KHz @ %d KHz), (%s mBi, %d mBm)\n",
freq_range->start_freq_khz, freq_range->end_freq_khz,
@@ -795,7 +787,6 @@ static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
}
#else
static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
- u32 desired_bw_khz,
const struct ieee80211_reg_rule *reg_rule)
{
return;
@@ -805,11 +796,7 @@ static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
/*
* Note that right now we assume the desired channel bandwidth
* is always 20 MHz for each individual channel (HT40 uses 20 MHz
- * per channel, the primary and the extension channel). To support
- * smaller custom bandwidths such as 5 MHz or 10 MHz we'll need a
- * new ieee80211_channel.target_bw and re run the regulatory check
- * on the wiphy with the target_bw specified. Then we can simply use
- * that below for the desired_bw_khz below.
+ * per channel, the primary and the extension channel).
*/
static void handle_channel(struct wiphy *wiphy,
enum nl80211_reg_initiator initiator,
@@ -817,7 +804,6 @@ static void handle_channel(struct wiphy *wiphy,
{
int r;
u32 flags, bw_flags = 0;
- u32 desired_bw_khz = MHZ_TO_KHZ(20);
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
const struct ieee80211_freq_range *freq_range = NULL;
@@ -829,8 +815,7 @@ static void handle_channel(struct wiphy *wiphy,
flags = chan->orig_flags;
- r = freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq),
- desired_bw_khz, &reg_rule);
+ r = freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq), &reg_rule);
if (r) {
/*
* We will disable all channels that do not match our
@@ -851,7 +836,7 @@ static void handle_channel(struct wiphy *wiphy,
return;
}
- chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule);
+ chan_reg_rule_print_dbg(chan, reg_rule);
power_rule = &reg_rule->power_rule;
freq_range = &reg_rule->freq_range;
@@ -1223,23 +1208,22 @@ static void handle_channel_custom(struct wiphy *wiphy,
const struct ieee80211_regdomain *regd)
{
int r;
- u32 desired_bw_khz = MHZ_TO_KHZ(20);
u32 bw_flags = 0;
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
const struct ieee80211_freq_range *freq_range = NULL;
r = freq_reg_info_regd(wiphy, MHZ_TO_KHZ(chan->center_freq),
- desired_bw_khz, &reg_rule, regd);
+ &reg_rule, regd);
if (r) {
- REG_DBG_PRINT("Disabling freq %d MHz as custom regd has no rule that fits a %d MHz wide channel\n",
- chan->center_freq, KHZ_TO_MHZ(desired_bw_khz));
+ REG_DBG_PRINT("Disabling freq %d MHz as custom regd has no rule that fits it\n",
+ chan->center_freq);
chan->flags = IEEE80211_CHAN_DISABLED;
return;
}
- chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule);
+ chan_reg_rule_print_dbg(chan, reg_rule);
power_rule = &reg_rule->power_rule;
freq_range = &reg_rule->freq_range;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.