1 files changed, 10 insertions, 4 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 9e17a83d3432..282d58d52fce 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -70,6 +70,9 @@ enum ieee80211_channel_flags {
         IEEE80211_CHAN_NO_FAT_BELOW     = 1<<5,
 };
 
+#define IEEE80211_CHAN_NO_HT40 \
+        (IEEE80211_CHAN_NO_FAT_ABOVE | IEEE80211_CHAN_NO_FAT_BELOW)
+
 /**
  * struct ieee80211_channel - channel definition
  *
@@ -1303,9 +1306,10 @@ 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
- * @bandwidth: the bandwidth requirement you have in KHz, if you do not have one
- *      you can set this to 0. If this frequency is allowed we then set
- *      this value to the maximum allowed bandwidth.
+ * @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
@@ -1320,7 +1324,9 @@ 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 *bandwidth,
+extern int freq_reg_info(struct wiphy *wiphy,
+                         u32 center_freq,
+                         u32 desired_bw_khz,
                          const struct ieee80211_reg_rule **reg_rule);
 
 /*