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Commit 2cb021f5 authored by Dmitry Lebed's avatar Dmitry Lebed Committed by Johannes Berg
Browse files

cfg80211/nl80211: add CAC_STARTED event 



CAC_STARTED event is needed for DFS offload feature and
should be generated by driver/HW if DFS_OFFLOAD is enabled.

Signed-off-by: default avatarDmitry Lebed <dlebed@quantenna.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 1ad22fb5

include/uapi/linux/nl80211.h

+3 −0
Original line number Diff line number Diff line
@@ -5204,6 +5204,8 @@ 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 *	non-operating channel is expired and no longer valid.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,
@@ -5211,6 +5213,7 @@ enum nl80211_radar_event { 
	NL80211_RADAR_CAC_ABORTED,

	NL80211_RADAR_NOP_FINISHED,

	NL80211_RADAR_PRE_CAC_EXPIRED,

	NL80211_RADAR_CAC_STARTED,

};



/**

net/wireless/mlme.c

+5 −2
Original line number Diff line number Diff line
@@ -888,14 +888,17 @@ 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);

}