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authorJanusz Dziedzic <janusz.dziedzic@tieto.com>2014-02-21 19:46:13 +0100
committerJohannes Berg <johannes.berg@intel.com>2014-02-25 17:32:54 +0100
commit31559f35c5724976fd975e5d7e90cdb693b8dd27 (patch)
tree92f0a7e9a2474e730a2461c1e284cb16f77d1b4b /net/wireless/nl80211.c
parent089027e57cfa79337feffdd7252c8ba0be352afa (diff)
downloadlwn-31559f35c5724976fd975e5d7e90cdb693b8dd27.tar.gz
lwn-31559f35c5724976fd975e5d7e90cdb693b8dd27.zip
cfg80211: DFS get CAC time from regulatory database
Send Channel Availability Check time as a parameter of start_radar_detection() callback. Get CAC time from regulatory database. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 9f7ebf94a050..8fa02a3fa7f7 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5779,6 +5779,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_chan_def chandef;
enum nl80211_dfs_regions dfs_region;
+ unsigned int cac_time_ms;
int err;
dfs_region = reg_get_dfs_region(wdev->wiphy);
@@ -5814,11 +5815,17 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
if (err)
return err;
- err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
+ cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
+ if (WARN_ON(!cac_time_ms))
+ cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
+
+ err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef,
+ cac_time_ms);
if (!err) {
wdev->chandef = chandef;
wdev->cac_started = true;
wdev->cac_start_time = jiffies;
+ wdev->cac_time_ms = cac_time_ms;
}
return err;
}