Commit d34990bb authored Jul 29, 2019 by Michael Vassernis Committed by Johannes Berg Jul 29, 2019

cfg80211: fix dfs channels remain DFS_AVAILABLE after ch_switch

Depending on the regulatory domain, leaving a DFS channel requires
a new CAC to be performed when returning back to that channel.
If needed, update dfs states after a driver channel switch.

Signed-off-by: Michael Vassernis <michael.vassernis@tandemg.com>
Link: https://lore.kernel.org/r/20190729060024.5660-1-michael.vassernis@tandemg.com

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 0afd425b

net/wireless/nl80211.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -16118,6 +16118,8 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
		!WARN_ON(!wdev->current_bss))
		cfg80211_update_assoc_bss_entry(wdev, chandef->chan);

		cfg80211_sched_dfs_chan_update(rdev);

		nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
		NL80211_CMD_CH_SWITCH_NOTIFY, 0);
		}