mac80211: reschedule sched scan after HW restart

Keep the sched scan req when starting sched scan, and reschedule
it in case of HW restart during sched scan.
The upper layer don't have to know about the restart.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 287462875857..ee13c6593b9a 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1113,6 +1113,7 @@ struct ieee80211_local {
 
         struct work_struct sched_scan_stopped_work;
         struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
+        struct cfg80211_sched_scan_request *sched_scan_req;
 
         unsigned long leave_oper_channel_time;
         enum mac80211_scan_state next_scan_state;
@@ -1421,6 +1422,9 @@ void ieee80211_rx_bss_put(struct ieee80211_local *local,
                           struct ieee80211_bss *bss);
 
 /* scheduled scan handling */
+int
+__ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
+                                     struct cfg80211_sched_scan_request *req);
 int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
                                        struct cfg80211_sched_scan_request *req);
 int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);