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If all available channel resources are used for NAN channels, and one of them is shared with another interface, and that interface needs to move to a different channel (for example STA interface that needs to do a channel or a link switch), then the driver can evacuate one of the NAN channels (i.e. detach it from its channel resource and announce to the peers that this channel is ULWed). In that case, the driver needs to notify user space about the channel evacuation, so the user space can adjust the local schedule accordingly. Add a notification to let userspace know about it. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20260219114327.d5bebfd5ff73.Iaaf5ef17e1ab7a38c19d60558e68fcf517e2b400@changeid Link: https://patch.msgid.link/20260318123926.206536-11-miriam.rachel.korenblit@intel.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>