@@ -6488,6 +6488,15 @@ static inline bool cfg80211_channel_is_psc(struct ieee80211_channel *chan)
}
/**
+ * cfg80211_radio_chandef_valid - Check if the radio supports the chandef
+ *
+ * @radio: wiphy radio
+ * @chandef: chandef for current channel
+ */
+bool cfg80211_radio_chandef_valid(const struct wiphy_radio *radio,
+ const struct cfg80211_chan_def *chandef);
+
+/**
* ieee80211_get_response_rate - get basic rate for a given rate
*
* @sband: the band to look for rates in
@@ -2879,3 +2879,38 @@ cfg80211_get_iftype_ext_capa(struct wiphy *wiphy, enum nl80211_iftype type)
return NULL;
}
EXPORT_SYMBOL(cfg80211_get_iftype_ext_capa);
+
+static bool
+ieee80211_radio_freq_range_valid(const struct wiphy_radio *radio,
+ u32 freq, u32 width)
+{
+ const struct wiphy_radio_freq_range *r;
+ int i;
+
+ for (i = 0; i < radio->n_freq_range; i++) {
+ r = &radio->freq_range[i];
+ if (freq - width / 2 >= r->start_freq &&
+ freq + width / 2 <= r->end_freq)
+ return true;
+ }
+
+ return false;
+}
+
+bool cfg80211_radio_chandef_valid(const struct wiphy_radio *radio,
+ const struct cfg80211_chan_def *chandef)
+{
+ u32 freq, width;
+
+ freq = ieee80211_chandef_to_khz(chandef);
+ width = nl80211_chan_width_to_mhz(chandef->width);
+ if (!ieee80211_radio_freq_range_valid(radio, freq, width))
+ return false;
+
+ freq = MHZ_TO_KHZ(chandef->center_freq2);
+ if (freq && !ieee80211_radio_freq_range_valid(radio, freq, width))
+ return false;
+
+ return true;
+}
+EXPORT_SYMBOL(cfg80211_radio_chandef_valid);
Check if the full channel width is in the radio's frequency range. Signed-off-by: Felix Fietkau <nbd@nbd.name> --- include/net/cfg80211.h | 9 +++++++++ net/wireless/util.c | 35 +++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+)