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ath10k: add debugfs file to control radar events blocking

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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: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Marek Puzyniak 2013-11-20 10:00:28 +02:00 committed by Kalle Valo
parent e8a50f8ba4
commit 7d9b40b461
3 changed files with 13 additions and 0 deletions
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1
drivers/net/wireless/ath/ath10k/core.h
View File

@ -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;

4
drivers/net/wireless/ath/ath10k/debug.c
View File

@ -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);

8
drivers/net/wireless/ath/ath10k/wmi.c
View File

@ -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);
}