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authorLorenzo Bianconi <lorenzo@kernel.org>2021-11-16 15:03:36 +0100
committerJohannes Berg <johannes.berg@intel.com>2021-11-26 11:50:27 +0100
commit8415816493b7589e74ff4e1e7eaf3aadc7b73621 (patch)
tree1e942d46d143e0e5685a1fdf770a0af3d5f94002 /net/wireless/chan.c
parentcfg80211: schedule offchan_cac_abort_wk in cfg80211_radar_event (diff)
downloadlinux-8415816493b7589e74ff4e1e7eaf3aadc7b73621.tar.xz
linux-8415816493b7589e74ff4e1e7eaf3aadc7b73621.zip
cfg80211: allow continuous radar monitoring on offchannel chain
Allow continuous radar detection on the offchannel chain in order to switch to the monitored channel whenever the underlying driver reports a radar pattern on the main channel. Tested-by: Owen Peng <owen.peng@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/d46217310a49b14ff0e9c002f0a6e0547d70fd2c.1637071350.git.lorenzo@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/chan.c')
-rw-r--r--net/wireless/chan.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 869c43d4414c..00fc7b78063c 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -712,6 +712,19 @@ static bool cfg80211_is_wiphy_oper_chan(struct wiphy *wiphy,
return false;
}
+static bool
+cfg80211_offchan_chain_is_active(struct cfg80211_registered_device *rdev,
+ struct ieee80211_channel *channel)
+{
+ if (!rdev->offchan_radar_wdev)
+ return false;
+
+ if (!cfg80211_chandef_valid(&rdev->offchan_radar_chandef))
+ return false;
+
+ return cfg80211_is_sub_chan(&rdev->offchan_radar_chandef, channel);
+}
+
bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
struct ieee80211_channel *chan)
{
@@ -728,6 +741,9 @@ bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
if (cfg80211_is_wiphy_oper_chan(&rdev->wiphy, chan))
return true;
+
+ if (cfg80211_offchan_chain_is_active(rdev, chan))
+ return true;
}
return false;