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Commit 7d9b40b4 authored by Marek Puzyniak's avatar Marek Puzyniak Committed by Kalle Valo
Browse files

ath10k: add debugfs file to control radar events blocking 



Sometimes for DFS testing is required to stay on current channel even after
radar detected. This patch allows to enable/disable radar detected event to be
passed to mac80211.

By default radar detected event in not blocked.

To block it:
echo 1 > /sys/kernel/debug/ieee80211/phyX/ath10k/dfs_block_radar_events

To unblock again:
echo 0 > /sys/kernel/debug/ieee80211/phyX/ath10k/dfs_block_radar_events

Inform about blocking radar detected event even when logs are disabled
for throughput/performance reasons.

Signed-off-by: default avatarMarek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: default avatarMichal Kazior <michal.kazior@tieto.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent e8a50f8b

drivers/net/wireless/ath/ath10k/core.h

+1 −0
Original line number Diff line number Diff line
@@ -409,6 +409,7 @@ struct ath10k { 
	bool monitor_present;

	unsigned int filter_flags;

	unsigned long dev_flags;

	u32 dfs_block_radar_events;



	struct wmi_pdev_set_wmm_params_arg wmm_params;

	struct completion install_key_done;

drivers/net/wireless/ath/ath10k/debug.c

+4 −0
Original line number Diff line number Diff line
@@ -752,6 +752,10 @@ int ath10k_debug_create(struct ath10k *ar) 
				    ar->debug.debugfs_phy, ar,

				    &fops_simulate_radar);



		debugfs_create_bool("dfs_block_radar_events", S_IWUSR,

				    ar->debug.debugfs_phy,

				    &ar->dfs_block_radar_events);



		debugfs_create_file("dfs_stats", S_IRUSR,

				    ar->debug.debugfs_phy, ar,

				    &fops_dfs_stats);

drivers/net/wireless/ath/ath10k/wmi.c

+8 −0
Original line number Diff line number Diff line
@@ -1453,6 +1453,14 @@ static void ath10k_dfs_radar_report(struct ath10k *ar, 


	ath10k_dbg(ATH10K_DBG_REGULATORY, "dfs radar detected\n");

	ATH10K_DFS_STAT_INC(ar, radar_detected);



	/* Control radar events reporting in debugfs file

	   dfs_block_radar_events */

	if (ar->dfs_block_radar_events) {

		ath10k_info("DFS Radar detected, but ignored as requested\n");

		return;

	}



	ieee80211_radar_detected(ar->hw);

}