nl80211: advertise maximum remain-on-channel duration

With the upcoming hardware offload implementation,
some devices will have a different maximum duration
for the remain-on-channel command. Advertise the
maximum duration in mac80211, and make mac80211 set
it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 22be7c625b70..f45e15f12446 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1474,6 +1474,9 @@ struct ieee80211_txrx_stypes {
  *
  * @available_antennas: bitmap of antennas which are available to configure.
  *      antenna configuration commands will be rejected unless this is set.
+ *
+ * @max_remain_on_channel_duration: Maximum time a remain-on-channel operation
+ *      may request, if implemented.
  */
 struct wiphy {
         /* assign these fields before you register the wiphy */
@@ -1511,6 +1514,8 @@ struct wiphy {
         char fw_version[ETHTOOL_BUSINFO_LEN];
         u32 hw_version;
 
+        u16 max_remain_on_channel_duration;
+
         u8 max_num_pmkids;
 
         u32 available_antennas;