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Diffstat (limited to 'net')
-rw-r--r--net/wireless/reg.c44
1 files changed, 14 insertions, 30 deletions
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;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 22:42:42 +0000