cfg80211: introduce TDLS channel switch commands

Introduce commands to initiate and cancel TDLS channel-switching. Once
TDLS channel-switching is started, the lower level driver is responsible
for continually initiating channel-switch operations and returning to
the base (AP) channel to listen for beacons from time to time.

Upon cancellation of the channel-switch all communication between the
relevant TDLS peers will continue on the base channel.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 220d5f5f1aca..8d04dfef32bf 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2367,6 +2367,12 @@ struct cfg80211_qos_map {
  *      (invoked with the wireless_dev mutex held)
  * @leave_ocb: leave the current OCB network
  *      (invoked with the wireless_dev mutex held)
+ *
+ * @tdls_channel_switch: Start channel-switching with a TDLS peer. The driver
+ *      is responsible for continually initiating channel-switching operations
+ *      and returning to the base channel for communication with the AP.
+ * @tdls_cancel_channel_switch: Stop channel-switching with a TDLS peer. Both
+ *      peers must be on the base channel when the call completes.
  */
 struct cfg80211_ops {
         int     (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -2622,6 +2628,14 @@ struct cfg80211_ops {
                              u16 admitted_time);
         int     (*del_tx_ts)(struct wiphy *wiphy, struct net_device *dev,
                              u8 tsid, const u8 *peer);
+
+        int     (*tdls_channel_switch)(struct wiphy *wiphy,
+                                       struct net_device *dev,
+                                       const u8 *addr, u8 oper_class,
+                                       struct cfg80211_chan_def *chandef);
+        void    (*tdls_cancel_channel_switch)(struct wiphy *wiphy,
+                                              struct net_device *dev,
+                                              const u8 *addr);
 };
 
 /*