From: Dmitry Lebed <dle...@quantenna.com>
CAC_STARTED event is needed for DFS offload feature and
should be generated by driver/HW if DFS_OFFLOAD is enabled.
Signed-off-by: Dmitry Lebed <dle...@quantenna.com>
---
include/uapi/linux/nl80211.h | 3 +++
net/wireless/mlme.c | 7 +++++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 811928ce4e1c..1633c8b8494a 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -5137,6 +5137,8 @@ enum nl80211_smps_mode {
* non-operating channel is expired and no longer valid. New CAC must
* be done on this channel before starting the operation. This is not
* applicable for ETSI dfs domain where pre-CAC is valid for ever.
+ * @NL80211_RADAR_CAC_STARTED: Channel Availability Check has been started,
+ * should be generated by HW if NL80211_EXT_FEATURE_DFS_OFFLOAD is enabled.
*/
enum nl80211_radar_event {
NL80211_RADAR_DETECTED,
@@ -5144,6 +5146,7 @@ enum nl80211_radar_event {
NL80211_RADAR_CAC_ABORTED,
NL80211_RADAR_NOP_FINISHED,
NL80211_RADAR_PRE_CAC_EXPIRED,
+ NL80211_RADAR_CAC_STARTED,
};
/**
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index a877b4d3e5d2..ce5bb624bf01 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -914,14 +914,17 @@ void cfg80211_cac_event(struct net_device *netdev,
sizeof(struct cfg80211_chan_def));
queue_work(cfg80211_wq, &rdev->propagate_cac_done_wk);
cfg80211_sched_dfs_chan_update(rdev);
- break;
+ /* fall through */
case NL80211_RADAR_CAC_ABORTED:
+ wdev->cac_started = false;
+ break;
+ case NL80211_RADAR_CAC_STARTED:
+ wdev->cac_started = true;
break;
default:
WARN_ON(1);
return;
}
- wdev->cac_started = false;
nl80211_radar_notify(rdev, chandef, event, netdev, gfp);
}
--
2.11.0
