+u8 ieee80211_get_channel_flags(struct ieee80211_device * ieee, u8 channel)
+{
+ int index = ieee80211_channel_to_index(ieee, channel);
+
+ if (index == -1)
+ return IEEE80211_CH_INVALID;
+
+ if (channel <= IEEE80211_24GHZ_CHANNELS)
+ return ieee->geo.bg[index].flags;
+
+ return ieee->geo.a[index].flags;
+}
+
+static const struct ieee80211_channel bad_channel = {
+ .channel = 0,
+ .flags = IEEE80211_CH_INVALID,
+ .max_power = 0,
+};
+
+const struct ieee80211_channel *ieee80211_get_channel(struct ieee80211_device
+ *ieee, u8 channel)
+{
+ int index = ieee80211_channel_to_index(ieee, channel);
+
+ if (index == -1)
+ return &bad_channel;
+
+ if (channel <= IEEE80211_24GHZ_CHANNELS)
+ return &ieee->geo.bg[index];
+
+ return &ieee->geo.a[index];
+}
+
+EXPORT_SYMBOL(ieee80211_get_channel);
+EXPORT_SYMBOL(ieee80211_get_channel_flags);