cfg80211: pass DFS region to drivers through reg_notifier()

This grants drivers access to the DFS region that a
regulatory domain belongs to.

Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/net/regulatory.h b/include/net/regulatory.h
index 7399c93cb4bc..a5f79933e211 100644
--- a/include/net/regulatory.h
+++ b/include/net/regulatory.h
@@ -48,6 +48,10 @@ enum environment_cap {
  *      99 - built by driver but a specific alpha2 cannot be determined
  *      98 - result of an intersection between two regulatory domains
  *      97 - regulatory domain has not yet been configured
+ * @dfs_region: If CRDA responded with a regulatory domain that requires
+ *      DFS master operation on a known DFS region (NL80211_DFS_*),
+ *      dfs_region represents that region. Drivers can use this and the
+ *      @alpha2 to adjust their device's DFS parameters as required.
  * @intersect: indicates whether the wireless core should intersect
  *      the requested regulatory domain with the presently set regulatory
  *      domain.
@@ -67,6 +71,7 @@ struct regulatory_request {
         int wiphy_idx;
         enum nl80211_reg_initiator initiator;
         char alpha2[2];
+        u8 dfs_region;
         bool intersect;
         bool processed;
         enum environment_cap country_ie_env;