{nl,cfg,mac}80211: implement dot11MeshHWMProotInterval and dot11MeshHWMPactivePathToRootTimeout

Add the mesh configuration parameters dot11MeshHWMProotInterval
and dot11MeshHWMPactivePathToRootTimeout to be used by
proactive PREQ mechanism.

Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
[line-break commit log]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 76d5472..e52b38d 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -842,6 +842,13 @@
  * @rssi_threshold: the threshold for average signal strength of candidate
  *	station to establish a peer link
  * @ht_opmode: mesh HT protection mode
+ *
+ * @dot11MeshHWMPactivePathToRootTimeout: The time (in TUs) for which mesh STAs
+ *	receiving a proactive PREQ shall consider the forwarding information to
+ *	the root mesh STA to be valid.
+ *
+ * @dot11MeshHWMProotInterval: The interval of time (in TUs) between proactive
+ *	PREQs are transmitted.
  */
 struct mesh_config {
 	u16 dot11MeshRetryTimeout;
@@ -866,6 +873,8 @@
 	bool dot11MeshForwarding;
 	s32 rssi_threshold;
 	u16 ht_opmode;
+	u32 dot11MeshHWMPactivePathToRootTimeout;
+	u16 dot11MeshHWMProotInterval;
 };
 
 /**