cfg80211: allow restricting supported dfs regions

At the moment, the ath9k/ath10k DFS module only supports detecting ETSI
radar patterns.
Add a bitmap in the interface combinations, indicating which DFS regions
are supported by the detector. If unset, support for all regions is
assumed.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 406010d4def0..b65095a85dee 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -3688,6 +3688,8 @@ enum nl80211_iface_limit_attrs {
  *      different channels may be used within this group.
  * @NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS: u32 attribute containing the bitmap
  *      of supported channel widths for radar detection.
+ * @NL80211_IFACE_COMB_RADAR_DETECT_REGIONS: u32 attribute containing the bitmap
+ *      of supported regulatory regions for radar detection.
  * @NUM_NL80211_IFACE_COMB: number of attributes
  * @MAX_NL80211_IFACE_COMB: highest attribute number
  *
@@ -3721,6 +3723,7 @@ enum nl80211_if_combination_attrs {
         NL80211_IFACE_COMB_STA_AP_BI_MATCH,
         NL80211_IFACE_COMB_NUM_CHANNELS,
         NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
+        NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
 
         /* keep last */
         NUM_NL80211_IFACE_COMB,